Means For Liberating Gas From Solid Fuel Patents (Class 110/229)
  • Publication number: 20110005750
    Abstract: A plant for generation of steam for oil sand recovery from carbonaceous fuel with capture of CO2 from the exhaust gas, comprising heat coils (105, 105?, 105?) arranged in a combustion chamber (101) to cool the combustion gases in the combustion chamber to produce steam and superheated steam in the heat coils, steam withdrawal lines (133, 136, 145) for withdrawing steam from the heat coils, an exhaust gas line (106) for withdrawal of exhaust gas from the combustion chamber (101), where the combustion chamber operates at a pressure of 5 to 15 bara, and one or more heat exchanger(s) (107, 108) are provided for cooling of the combustion gas in line (106), a contact device (113) where the cooled combustion gas is brought in countercurrent flow with a lean CO2 absorbent to give a rich absorbent and a CO2 depleted flue gas, withdrawal lines (114, 115) for withdrawal of rich absorbent and CO2 depleted flue gas, respectively, from the contact device, the line (115) for withdrawal of CO2 depleted flue gas being connect
    Type: Application
    Filed: July 9, 2010
    Publication date: January 13, 2011
    Applicant: SARGAS AS
    Inventors: Knut BØRSETH, Tor Christensen, Henrik Fleischer
  • Publication number: 20100313796
    Abstract: Systems and methods are provided for generating energy from biomass. A gasifier is provided for generating syngas from the biomass. The gasifier comprises a housing for providing a first, oxygen starved environment in which the biomass is sub-stoichiometrically combusted to generate syngas—an effluent comprising gaseous combustibles. An oxidizer is connected to receive the syngas from the gasifier and configured to oxidize the syngas in a second environment distinct from the first, oxygen starved environment and to thereby generate heat energy. An oxidative agent supply mechanism introduces an oxidative agent to the first, oxygen starved environment in the gasifier housing, the oxidative agent comprising a mixture of flue gas and air.
    Type: Application
    Filed: August 20, 2010
    Publication date: December 16, 2010
    Inventors: Robert G. Graham, Dejan Sparica
  • Publication number: 20100307392
    Abstract: Disclosed are a method and an installation for generating effective energy by gasifying waste. In the method and installation, waste such as garbage is introduced into a shaft-type melting gasifier, is dried in a reverse flow, is degassed, and is gasified while the solid residue is melted. The hot crude gases that are withdrawn from the melting gasifier (15) are fed to a hot gas steam generator (18) in which steam is admixed to the hot gas and the hot gas-steam mixture is conducted across the double turbine rotor (18.13) of a turbine (18.3) that drives a power generator (18.4), a preliminary reaction taking place at the same time. The pre-purified hot gas-steam mixture is then introduced into a downflow device (38) in which the mixture is cooled and pre-purified using sprayed water mixed with reactant and by repeatedly expanding, compressing, and foaming the mixture, the pre-purified gas being withdrawn and the liquid being collected.
    Type: Application
    Filed: November 28, 2007
    Publication date: December 9, 2010
    Inventor: Hermann Berthold
  • Publication number: 20100288173
    Abstract: A two stage refuse gasification combustion system for processing refuse is disclosed. The system may contain features such as an advancer, a first and second gasifier, a drier, a gas regulator, and a post combustor. Additionally, methods for regulating gas and advancing refuse through a two stage refuse gasification combustion system are disclosed.
    Type: Application
    Filed: May 18, 2010
    Publication date: November 18, 2010
    Inventors: Ron Broglio, Hanwei Zhang, Robert Lees Barker, Stephen Paul Goff
  • Patent number: 7832343
    Abstract: A pyrolyzer has a heated inner housing that includes first and second conveyors. Preferred conveyors have independent or at least potentially independent flows of material to be pyrolyzed. All suitable conveyors are contemplated, including especially screw conveyors, or combination of screw and paddle conveyors. Both first and second conveyors can be disposed within a common lumen, with a partial divider between them. An alternative divider is also contemplated that more or less divides the inner housing into two lumens. Thus, the lumens can be entirely distinct, or can have cross-flow of gases and/or material being pyrolyzed. Heat transfer fins can be advantageously attached, extend from, or be otherwise coupled to the inner housing to assist in transfer of heat into the lumen(s) of the inner housing.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: November 16, 2010
    Assignee: International Environmental Solutions Corporation
    Inventors: William Walker, Karen Meyer Bertram
  • Patent number: 7832344
    Abstract: A waste treatment system processes waste upon the application of energy. The system includes a vessel, and a plurality of plasma torches. Organic and/or inorganic waste may be introduced into the vessel, and the plasma torches may supply energy to treat the waste. The vessel is shaped to facilitate a cyclonic or substantially cyclonic flow of the contents within the vessel. The plasma torches may be positioned to enhance the cyclonic flow within the vessel.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: November 16, 2010
    Assignee: PEAT International, Inc.
    Inventors: Jose A. Capote, Joseph A. Rosin, Hsien Wu
  • Patent number: 7819070
    Abstract: The present application discloses an apparatus for gasification of solid, liquid and gaseous organic feed materials having a fuel value into synthesis gas. The apparatus comprises: a gasification reactor vessel having a tapered interior with a minimum of four zones for introducing reaction gas mixtures, a central perforated diffuser pipe, a solid and liquid material inlet at the upper end of the uppermost zone, a solid and gas discharge outlet at the lower end of the bottom zone, wherein the reactor vessel defining a sequence of reaction zones from the material inlet to the material outlet including drying, pyrolysis, combustion and gasification zones, and confining downwardly moving the column of the feed materials within the zones, gas feed inlet pipes for introducing reaction gas into the zones, a synthesis gas discharge pipe below the zones, and a heat exchanger below the zones.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: October 26, 2010
    Assignee: JC Enviro Enterprises Corp.
    Inventors: Amirali G Rehmat, Richard L Kao, Jin Soo Chung
  • Patent number: 7814845
    Abstract: A device for gasifying biomass waste has two each of primary chambers, fume transfer vents, mixing chambers which accept fumes from the primary chamber, afterburner chambers in fluid communication with the mixing chambers, and an exhaust duct. Each secondary burner produces an initial heating flame within a vertical portion of the respective afterburner chamber, and secondary chambers are in fluid communication with the afterburner chambers. Heated gases from the afterburner chambers cause heating of the secondary chambers. A portion of each primary chamber has a heat conductive floor superimposed over the respective secondary chamber, and the partition between the primary chambers is heat conductive, so that conductive and convective heating of the primary chambers occurs.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: October 19, 2010
    Assignee: Zebrex Environmental Systems
    Inventor: David Brookes
  • Patent number: 7802528
    Abstract: Apparatus for the pyrolysis of solid waste material includes a thermal reactor including an elongate hollow housing with a reaction chamber disposed within the housing. The thermal reactor is vertically oriented in order to cause solid waste material fed thereinto to pass through said reaction chamber by the force of gravity and a plurality of vanes are disposed for both conducting heat into said reactor chamber and for tumbling said solid waste material as said solid waste material passes through said reaction chamber.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: September 28, 2010
    Assignee: Rainbow Conversion Technologies, LLC
    Inventors: Bruce Shuman, Jerry Moffatt, Bruce Atwell, Robert J. Romacly, Glenn A. Romacly
  • Patent number: 7798077
    Abstract: A pyrolysis oven configured for vertical conveyance of material for incineration. The oven makes use of gravity and multiple plates to control the movement of material through the oven chamber. The plates and oven interior are heated in a low oxygen, pressurized environment to effect the decomposition of material as it freefalls down the chamber and makes contact with heated plates. The configuration and angle of declination of plates determines the freefall rate and retention time within the incinerating environment. The decomposition produces char and gas resultants, each of which are carried off through separate exits configured in the oven. The oven may be used as part of a waste management system in connection with a thermal oxidation chamber for the treatment of volatile organic compound gases that are a by-product of the pyrolytic process.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: September 21, 2010
    Assignee: Simeken, Inc.
    Inventors: Michael W. Gehring, William Sweet
  • Patent number: 7793601
    Abstract: An apparatus for gasifying solid organic fuel includes a refractory-lined oxidation chamber, fuel storage, a transfer connecting the fuel storage with an inlet into the oxidation chamber for transferring in an upwardly inclined direction the solid fuel from the fuel storage into the inlet to form an upwardly mounded fuel bed. An oxidant is supplied into the fuel bed to gasify the organic materials in the fuel to produce a gaseous effluent from the fuel bed, thereby leaving a residue of the fuel. The residue drops through an opening under the oxidation chamber onto a residue removal transfer. The oxidant is supplied through a plurality of perforated air distribution members extending across the fuel bed cavity in the oxidation chamber so as to introduce air into the interior of the fuel bed to thereby promote evenly distributed gasification, evenly distributed through the fuel bed.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: September 14, 2010
    Inventors: Kenneth Davison, Neal Stroulger
  • Patent number: 7784415
    Abstract: A method and apparatus for delivery of a solid particulate fuel to a heating system. The present invention provides a lock-up transport system to deliver particles of solid fuel in a downstream direction while maintaining the position of the particles relative to each other. The lock-up transport system provides a linear mass flow through the gasification stages of the fuel.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: August 31, 2010
    Inventor: Thomas Wolfgang Engel
  • Patent number: 7762200
    Abstract: A method for starting high-performance entrained flow gasification reactors with a combination burner or a plurality of pulverized fuel burners, and an ignition and pilot burner. The ignition and pilot burner is ignited, substoichiometrically with fuel gas and a gasifier containing free oxygen. The reactor is brought to the pressure intended and a flow of a fuel gas is supplied with a partial flow of the gasification agent at a substoichiometric ratio through the fuel lines leading to the fuel burner and ignited by the flame of the ignition and pilot burner with a partial flow of the gasification agent. Next, the pulverized fuel is supplied together with a further oxygen-containing gasifying agent through the supply lines to the pulverized fuel burner and is ignited by the flame of the ignition and pilot burner and by the fuel gas flames of the combustible gas generated at the pulverized fuel burner.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: July 27, 2010
    Assignee: Siemens Aktiengesellschaft
    Inventors: Norbert Fischer, Manfred Schingnitz
  • Patent number: 7753678
    Abstract: Apparatus for batch processing source material into charcoal in a battery of kilns, each of which use forced convection of process gases through the source material to shorten the process cycle time, and all of which use an external combustor to burn the process waste gases from each kiln to provide the primary source of applied energy for the process.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: July 13, 2010
    Assignee: Nucor Corporation
    Inventors: Gerald A. Teeter, Jared S. Kaufman, John L. Pressly, Christopher Adam Goebel, Paul David Debski
  • Patent number: 7752983
    Abstract: A method and apparatus for plasma gasification of waste materials consisting of organic and inorganic portions is provided which includes a refractory-lined reactor vessel, a feeder mechanism, and a DC electrode device. The refractory-lined reactor vessel has a processing chamber formed therein. The feeder mechanism feeds continuously waste materials into the processing chamber at a controlled feed rate. The DC electrode device is used for heating the processing chamber to a sufficient temperature so as to convert the organic portions of the waste materials to a synthetic gas consisting of hydrogen and carbon monoxide and to a carbon particulate, and to convert the inorganic portions of the waste materials to a molten material consisting of a lower metallic layer and a slag layer formed on top of the metallic layer.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: July 13, 2010
    Assignee: Plasma Waste Recycling, Inc.
    Inventor: Rodrigo B. Vera
  • Publication number: 20100150658
    Abstract: A process and system for oil-contaminated soil remediation and oil recovery from oil-bearing media such as oil-contaminated soil, different types of oil-bearing sludge's from oil producers, upgraders and refineries, oil shale, oil sands, and coal oil shale, oil sands and coal includes (1) a portable or fixed twin thermal desorption unit with two rotating trundles in one stationary house, and (2) multiple co-combustion burners burning coal, scrap tires, used oils, sludge's containing high oil content, propane and natural gas to supply heat for the twin desorption unit, and (3) a suction fan to create a slightly vacuum environment, receive vapors and send them to (4) a cooling line with a heavy component condenser to condense heavy oils, a set of air cooling pipe to condense light oils and steam and a three-phase (gas/oil/water) separation tank to separate oil from water, and (5) a feeding line with a blender to break wet lumps and a crasher to break rocks presence in the raw material being processed.
    Type: Application
    Filed: September 4, 2009
    Publication date: June 17, 2010
    Applicant: LCG THERMALPRO INTERNATIONAL INC.
    Inventors: Louis BILHETE, Clinton BILHETE, Guoxing GU
  • Patent number: 7691344
    Abstract: An oil reconversion devices 1a and 1b for waste plastics which thermally crack a waste plastic Ro by heating it and converts a generated cracker gas Gr into oil by cooling it, equipped with a thermal cracking bath 2 which has a bath main body 4 placed inside a coil 3 . . . , induction-heats the bath main body 4 by feeding a high-frequency current through the coil 3 . . . , and thermally cracks at least a molten plastic Rd obtained from the waste plastic Ro to generate the cracker gas Gr, an injection port 5 through which the waste plastic Ro is injected, a feeder 6 which supplies the waste plastic Ro injected through this injection port 5 to the thermal cracking bath 2 via a forced or direct feeding means Ua or Ub without a bath, and an oil conversion processor 7 which cools and converts the cracker gas Gr generated by the thermal cracking bath 2 into oil.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: April 6, 2010
    Inventor: Takeki Yoshimura
  • Patent number: 7677185
    Abstract: The invention is a system and method for neutralizing fluid chemical waste products that result from a chemical production process and are collected from the production line. The invention comprises a pyrolysis/reaction chamber into which the fluid chemical waste is pumped through an atomizer. The jet of small droplets of liquid waste that is formed by the atomizer effectively contacts the plasma stream created by a plasma torch. When the droplets contact the plasma stream the molecules of the waste from which the droplets are composed are dissociated into atoms and/or ions. These atoms and ions move out of the immediate region of the plasma stream and recombine to form a mixture of product gases which exits the chamber. The product gases then enter a post-pyrolysis subsystem, which is designed to neutralize and/or collect the components comprising the mixture of product gases.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: March 16, 2010
    Assignee: E.S.T. Ecological Systems Ltd.
    Inventor: Yehuda Yuri Simon
  • Publication number: 20100043683
    Abstract: A fluidized bed gasification system is provided in which bed material and raw material are passed throughout a fluidized bed gasification furnace so that raw material is gasified with higher gasification efficiency to improve gasification productivity. A heat-resistant partition 32 for regulation of bed material flow is arranged between positions I and II of a downcomer 12 of a separator 8 and of a supply flow passage 25 in plane of a fluidized bed gasification furnace 2. As a result, the bed material introduced via the downcomer 12 is directed to a supply flow passage 25 through a circuitous flow passage 33 throughout the fluidized bed gasification furnace 2 defined by the heat-resistant partition 32.
    Type: Application
    Filed: March 14, 2007
    Publication date: February 25, 2010
    Applicant: IHI CORPORATION
    Inventors: Yoshiaki Matsuzawa, Toshiyuki Suda, Hironobu Fujiyoshi, Makoto Takafuji, Kenichiro Kondo
  • Patent number: 7665407
    Abstract: The present invention relates to a cyclonic plasma pyrolysis/vitrification system pyrolyzing and vitrifying waste materials into exhaust gas and slag using a plasma torch. The plasma torch circulates the exhaust gas in a main reactor with a maximum circulating power by strong plasma jet, and makes flyashes contained in the circulating exhaust gas to be melted after being adsorbed at the inner walls or in the melted materials of waste at the bottom of the main reactor by a centrifugal force. Accordingly, discharge of flyashes containing toxic materials to the outside is prevented, and pyrolysis and gasification of the waste materials are induced by circulating the exhaust gas rapidly.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: February 23, 2010
    Assignee: Adplatech Corporation
    Inventors: Soon Mo Hwang, Young Suk Kim, Cheal Jin Doh
  • Publication number: 20100024696
    Abstract: A system for recycling solid waste into energy includes a heated enclosure 66, one or more input conveyors 60, 67 move waste materials through the heated enclosure, provide a flow line with a temperature gradient of at least 150 F.°, and mechanically move the waste particles and the residual solids along the flow line. A heated rotary drum 74 is in fluid communication with the flow line, and condenser unit 94, 98 receive vapors from the flow line and the rotary drum and output hydrocarbons. One or more discharge conveyors 76 discharge carbon black from the rotary drum. Control valves 80, 82 seal a vacuum downstream from the discharge conveyors, and control valves 34, 46 seal vacuum upstream from the one or more input conveyors. Various types of vacuum pumps may be used to maintain a selected vacuum between the control valves.
    Type: Application
    Filed: October 9, 2009
    Publication date: February 4, 2010
    Inventors: Phillip L. Cauley, Tracy L. Edwards
  • Publication number: 20100012006
    Abstract: Systems and methods for effectively combusting municipal wa ste are disclosed. Aspects of the present invention provide improved techniques for increasing efficiency of combusting municipal waste as well as decreasing emission of harmful gases. In one aspect of the present invention a system is provided which includes a post combustor for combusting gasified waste. In another aspect of the present invention, a method for using the post combustor to gasify the waste is provided.
    Type: Application
    Filed: July 15, 2009
    Publication date: January 21, 2010
    Inventor: Hanwei ZHANG
  • Patent number: 7641770
    Abstract: A system for recovering hydrocarbons from tar sands includes a heated enclosure 66, one or more input conveyors 60, 67 move tar sands through the heated enclosure, provide a flow line with a temperature gradient of at least 150° F., and mechanically move the tar sands along the flow line. A heated rotary drum 74 is in fluid communication with the flow line, and condenser unit 94, 98 receive vapors from the flow line and the rotary drum and output hydrocarbons. One or more discharge conveyors 76 discharge stripped sands from the rotary drum. Control valves 80, 82 seal a vacuum downstream from the discharge conveyors, and control valves 34, 46 seal vacuum upstream from the one or more input conveyors. Various types of vacuum pumps may be used to maintain a selected vacuum between the control valves.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: January 5, 2010
    Assignee: Natural Resource Recovery, Inc.
    Inventors: Phillip L. Cauley, Tracy L. Edwards
  • Publication number: 20090308295
    Abstract: A method and apparatus for providing a steam boiler/combuster and gasifier that uses a primary dirty fuel, such as waste materials, or high-polluting fossil fuels, and a secondary low-polluting fuel, such as biomass fuels for co-generation of electricity while reducing harmful emissions. The primary fuel is burned in the combuster to create steam in the steam boiler. The steam turns a steam turbine thereby powering a first generator. The dirty exhaust from the combuster is scrubbed by a gasifier. The secondary fuel and oxygen are added to the dirty exhaust in the gasifier creating gas and ash. The gas powers an engine that turns a second generator and releases a cleaner exhaust.
    Type: Application
    Filed: August 24, 2009
    Publication date: December 17, 2009
    Inventor: RANDALL J. THIESSEN
  • Publication number: 20090308294
    Abstract: The inventive subject matter is directed toward a pyrolytic waste treatment system comprising a pyrolysis chamber having a chamber wall with a hole through which a shaft passes. An insulating mechanism is used at the hole to inhibit heat from escaping through the opening in the chamber wall.
    Type: Application
    Filed: April 10, 2009
    Publication date: December 17, 2009
    Inventors: Cameron Cole, Raul de la Torres, Toby L. Cole, Dan Watts
  • Patent number: 7621225
    Abstract: An apparatus for treating waste material that comprises four major cooperating subsystems, namely a pyrolytic converter (24), a two-stage thermal oxidizer (26), a steam generator (28) and a steam turbine (30) driven by steam generated by the steam generator. In operation, the pyrolytic converter is uniquely heated without any flame impinging on the reactor component and the waste material to be pyrolyzed is transported through the reaction chamber of the pyrolytic converter by a pair of longitudinally extending, side-by-side material transporting mechanisms (42, 43).
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: November 24, 2009
    Assignee: International Environmental Solutions Corporation
    Inventors: William C. Walker, Karen Bertram, legal representative
  • Patent number: 7621226
    Abstract: A system for recycling solid waste into energy includes a heated enclosure 66, one or more input conveyors 60, 67 move waste materials through the heated enclosure, provide a flow line with a temperature gradient of at least 150 F.°, and mechanically move the waste particles and the residual solids along the flow line. A heated rotary drum 74 is in fluid communication with the flow line, and condenser unit 94, 98 receive vapors from the flow line and the rotary drum and output hydrocarbons. One or more discharge conveyors 76 discharge carbon black from the rotary drum. Control valves 80, 82 seal a vacuum downstream from the discharge conveyors, and control valves 34, 46 seal vacuum upstream from the one or more input conveyors. Various types of vacuum pumps may be used to maintain a selected vacuum between the control valves.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: November 24, 2009
    Assignee: Natural Resource Recovery, Inc.
    Inventors: Phillip L. Cauley, Tracy L. Edwards
  • Publication number: 20090235849
    Abstract: Process for destroying organic matter, in which said organic matter in ground form is introduced into a reactor and subjected to flameless combustion at a temperature of 240 to 400° C. under a pressure of 100 to 300 bar, in the presence of an oxygen-containing oxidizer for at least 20 minutes, while stirring the medium, and process for generating energy, in which the energy generated by the combustion is furthermore recovered.
    Type: Application
    Filed: February 16, 2007
    Publication date: September 24, 2009
    Applicant: Universite De Provence AIX Marseille 1
    Inventors: Stephane Barbati, Maurice Ambrosio, Virginie Fontanier
  • Patent number: 7571687
    Abstract: A mobile destruction apparatus for use with oil contaminated with a toxic organic pollutant material includes a housing, which defines a first heating combustion chamber for heating the oil to generate a toxic fluid using a first burner connected thereto. The apparatus includes a rotating transition cylinder that defines a drying chamber, which is in fluid communication with the combustion chamber to receive the toxic fluid. The cylinder includes an amount of a desiccant material to dry the toxic fluid. A second heating destruction chamber is provided downstream of the cylinder to heat the toxic fluid to substantially convert it and destroy it into an inert fluid, which exhausts from the apparatus. A method of destructing toxic contaminants from contaminated oils is also described.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: August 11, 2009
    Inventor: J René Cornellier
  • Patent number: 7569204
    Abstract: A method for controlling the output composition from a gasification device for use in the gasification of biomass using a gasifier in which the biomass and gas both flow in a downward direction. The method combines the use of steam and oxygen as a mixed oxidation stream to control the processes occurring within the gasifier. The oxidants are introduced into the gasifier using a number of injection rings. Each injection ring is comprised of a number of injection nozzles each radially distributed at the same vertical height and possibly connected to the same supply source. Particularly satisfactory results can be achieved through the use of three injection rings, one at the top of the gasifier, one at the interface of the oxidation and reduction zone and one a small distance below the grate assembly. The produced syngas also contains extremely low concentrations of tar and low molecular weight hydrocarbons.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: August 4, 2009
    Assignee: Zeropoint Clean Tech, Inc.
    Inventor: Philip D. Leveson
  • Publication number: 20090120335
    Abstract: A reactor (107) for pyrolysis of carbonizable plastic and rubber materials is disclosed including at least an earlier stage reaction chamber (401) and a later stage reaction chamber (105), in which the earlier stage reaction chamber receives the materials for pyrolysis, and the later stage reaction chamber receives treated materials from the earlier stage reaction chamber for subsequent pyrolysis, and the reactor (107) includes a three-way valve (407) for directing the gaseous pyrolysis products from the later stage reaction chamber to one of three pathways, each to a different destination.
    Type: Application
    Filed: November 9, 2007
    Publication date: May 14, 2009
    Applicant: GLOBAL POWER AND ENERGY COMPANY LIMITED
    Inventors: Wai Tak CHU, Chi Wai HUI, Bai Ru HE, Zhi Qiang WU, King Lung LEE, Chin Man LEE
  • Publication number: 20090090282
    Abstract: An on-site modular method and system for processing waste typically including food from a food services facility. The waste is processed in a size reduction unit and subsequently dried in a dryer. The dried shredded waste is processed to produce densified pellets. The food binds the non-food waste in the pellets. The pellets are burned in a thermal conversion unit to produce a gas and waste heat. The waste heat is directed to the dryer for use therein. The gas is fed to a generator or turbine to produce electricity. A portion of the electricity produced is used to energize the process.
    Type: Application
    Filed: February 14, 2008
    Publication date: April 9, 2009
    Inventors: Harris Gold, Barry Michael Cushman, Leslie S. Rubin, Gregory Ocnos, Robert F. Mulligan, Matthew J. Young
  • Publication number: 20090084292
    Abstract: A burner cone has protrusions that facilitate turbulence of combustion gases. Such cones can advantageously be utilized in thermal oxidizers that receive syn gases from pyrolyzing municipal or other wastes. Preferred cones have a frustoconical shape and numerous protrusions and associated openings. Use of such cones in thermal oxidizers can significantly increase the efficiency of oxidizing syn gases produced by pyrolyzing municipal and other wastes.
    Type: Application
    Filed: September 27, 2007
    Publication date: April 2, 2009
    Applicant: INTERNATIONAL ENVIRONMENTAL SOLUTIONS CORPORATION
    Inventors: Cameron Cole, Toby L. Cole, Raul de la Torres
  • Publication number: 20090078176
    Abstract: In a wood-pellet cogeneration unit comprising a pellet feed, a combustion chamber, an ash removal device and a stirling engine, in order to achieve an optimum efficiency, provision is made for an exhaust gas recuperator (11) to preheat combustion air (10) and for wood pellets to be gasified with a portion of this hot air (13), for this portion (13) of the hot combustion air (10) to be directed above a grate (4) into a gasification combustion chamber (3a) and for the fuel gas (18) thus produced to be sucked downwards through the grate (4) together with the ash by a side channel blower (7), for the fuel gas (18) under the grate (4) to be displaced with a flow impulse of the rest (14) of the hot combustion air (10) in such a way that, firstly, a low lambda value close to the CO limit is maintained and, depending on the temperature of the combustion chamber (3b), the combustion at a central nozzle (19) is stabilized, or, with increasing temperature of the combustion chamber (3b), the state of flameless combustion
    Type: Application
    Filed: January 4, 2007
    Publication date: March 26, 2009
    Inventor: Eckhart Weber
  • Publication number: 20080314726
    Abstract: A hybrid method for producing energy from a carbonaceous material including the steps of: heating the carbonaceous material under a reduced oxygen atmosphere in a distillation plant to generate distillate vapours; processing the resulting distillate vapours; transferring the char residue from the distillation plant to a power station boiler; and combusting the char residue in the power station boiler for the generation of electrical power. The char residue is transferred to a power station boiler while the char residue retains heat from the heating in the distillation plant. An integrated energy conversion system including: a distillation plant for the destructive distillation of carbonaceous material to afford distillate vapours and a char residue; a power station boiler; a means of transferring the char residue at a temperature between 300 to 700° C. from the distillation plant to the bed power station; and collection means for the distillate vapours.
    Type: Application
    Filed: September 8, 2006
    Publication date: December 25, 2008
    Inventor: Edek Choros
  • Publication number: 20080072807
    Abstract: A device for gasifying biomass sludge having particle size less than 1 cm, and 20% to 100% solids content has a primary chamber, a fume transfer vent, a mixing chamber which accepts fumes from the primary chamber, and an afterburner chamber in fluid communication with the mixing chamber. A secondary burner produces an initial heating flame within a vertical portion of the afterburner chamber. A heat transfer chamber is in fluid communication with the afterburner chamber. Heated gases from the afterburner chamber cause heating of the heat transfer chamber. The primary chamber has a heat conductive floor superimposed over the heat transfer chamber so that conductive and convective heating of the primary chamber occur. At least one primary auger is located crosswise in the primary chamber between a sludge feed hopper and an ash hopper. The heat transfer chamber underlies the primary auger near the end at the ash hopper.
    Type: Application
    Filed: September 22, 2006
    Publication date: March 27, 2008
    Inventor: David R. Brookes
  • Publication number: 20080035036
    Abstract: The present invention relates to the collection of food and energy production units with attendant processing units into an integrated system capable of substantially boosting the efficiency and economics of food and energy production while greatly reducing the impact on the environment. In a preferred embodiment of the invention, the system and process further includes sufficient land area for crop production and uptake of nutrients and water.
    Type: Application
    Filed: November 3, 2006
    Publication date: February 14, 2008
    Inventors: Dominic T. Bassani, James W. Morris, Jere Northrop, George W. Bloom, Jeffery H. Kapell, Stephen J. Pagano
  • Patent number: 7322301
    Abstract: A system and method are disclosed for processing sewerage sludge and other organic based feedstocks, in an energy efficient manner that minimizes or eliminates unwanted byproducts, including pathogens, and generates useful environmentally safe products. The sewage sludge or other feedstocks are partially dried before being input to a gasifier operating under partial pyrolytic conditions with a small amount of oxygen or air present to produce fuel in the form of synthesis gas, bio-oil fuel, and char. A small percentage of the fuel may be used to maintain the operation of the feedstock drying process after it is started and a small amount of the synthesis gas produced in the gasifier reacts with the small amount of oxygen present with the feedstock to maintain the pyrolysis temperature in the gasifier in order to make the system economically viable.
    Type: Grant
    Filed: February 15, 2005
    Date of Patent: January 29, 2008
    Inventor: Wayne Childs
  • Publication number: 20080005966
    Abstract: A method and device for cooling hot crude gas and slag from entrained flow gasification of liquid and solid combustibles at crude gas temperatures ranging from 1,200 to 1,800° C. and at pressures of up to 80 bar in a cooling chamber disposed downstream of the gasification reactor by injecting water. The cooling water is distributed, with a first portion being finely dispersed into to cooling chamber and a second portion being fed at the bottom into an annular gap provided between the pressure-carrying tank wall and an incorporated metal apron for protecting said pressure-carrying tank wall. The second portion of the cooling water flows upward in the annular gap and trickles down the inner side of the metal apron in the form of a water film.
    Type: Application
    Filed: October 20, 2006
    Publication date: January 10, 2008
    Inventors: Norbert Fischer, Dietmar Degenkolb, Friedemann Mehlhose, Manfred Schingnitz
  • Publication number: 20070289507
    Abstract: A system, method and apparatus for pyrolyzing are disclosed. The system, method and apparatus can include a plurality of chambers which may be loaded with material to be pyrolyzed. The material may then be pyrolyzed to produce a gaseous fuel and any remaining material in any of the plurality of chambers may be removed. The gaseous fuel may be sent to an afterburner where other elements may be added to generate heated gas having a predetermined temperature. The heated gas may be used in any of a variety of devices, such as a heat exchanger or a dryer, and may be used for any of a variety of reasons, such as the generation of heat.
    Type: Application
    Filed: June 13, 2007
    Publication date: December 20, 2007
    Inventors: William Parrott, Elzie Schoepf, Jeff Reinders
  • Patent number: 7293511
    Abstract: An apparatus and method for the treatment of particulate organic waste material, the apparatus comprising: a hopper means having flow control means for controlling flow rate of the waste material; a pyrolysis unit having (i) a heating means for heating the material, and (ii) a means in the form of a cascade of vanes for controlling rate of flow therethrough; means for removing gaseous products generated in the pyrolysis unit, the gaseous products being recycled; and residual treated waste material collection means.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: November 13, 2007
    Assignee: Hudol Limited
    Inventors: Robert Marshall Prigmore, Brian Davies, Colin Cook
  • Publication number: 20070245934
    Abstract: An integrated biomass converter system capable of converting gasifiable material into a combustible fuel (fuel gas). The system includes elements to convert raw gasifiable material into unprocessed fuel and by a single chamber, down-draft gasifier furnace convert )process) the unprocessed fuel to yield fuel gas. The system includes means to incorporate additional gasifiable materials into the gasifier furnace, or optionally to incorporate material into the unprocessed fuel. The gasifier furnace includes a top closure unit with means to uniformly distribute unprocessed fuel in the furnace and surface treatment means to ensure uniformity of air distribution in the gasification layer and provide means to introduce supplemental gasifiable materials directly into the gasification zone.
    Type: Application
    Filed: February 28, 2007
    Publication date: October 25, 2007
    Inventor: Brent Carman
  • Patent number: 7284491
    Abstract: In one aspect, a grate segment for a burner, comprises a substantially rigid body (30) having a dispersed array of cavities (38) filled with a refractory material. In another aspect, a solid fuel gasifier includes a housing (12) defining a gasifier chamber (14), and a solid fuel inlet (21), grate structure (22, 24) in the gasifier chamber. The grate structure includes base means, a plurality of agitator segments (32) positioned relative to the base means for reciprocating movement to agitate a fuel load in the gasifier, and means to support the base means and the agitator segments so that the latter reciprocate in a direction at a substantial inclination to both horizontal and vertical. In use of the gasifier a deep burden of fuel accumulates on the grate structure and the outward stroke of the reciprocation of the agitator elements is in the overall direction of flow of the fuel burden or generally oppositely thereto.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: October 23, 2007
    Assignee: Salinas Energy Limited
    Inventors: Paul Douglas Williams, Gerald David Williams
  • Patent number: 7271201
    Abstract: A method and a system for drying a biomass, wet pulverized coal or combinations thereof, using heat from a Fischer-Tropsch synthesis in a heat exchanger to heat a nitrogen gas, using a flue gas in a heater to heat the heated nitrogen gas to a higher temperature, passing the twice heated nitrogen gas through apparatus to pulverize the fuel source of coal, biomass or both, forming a gas/particulate stream, filtering the gas/particulate stream in a filter to remove dried fuel feed stocks and using a blower to form a first steam and nitrogen mixture for discharge, and a second steam and nitrogen mixture for mixing with additional dry nitrogen gas for introduction to the first step of the method, at the heat exchanger.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: September 18, 2007
    Assignee: Syntroleum Corporation
    Inventors: James Francis Leahy, Robert L. Freerks
  • Patent number: 7228806
    Abstract: A biomass gasification system for efficiently extracting heat energy from biomass material. The biomass gasification system includes a primary combustion chamber, a rotating grate within the primary combustion chamber for supporting the biomass during gasification, a feeder unit in communication with the primary combustion chamber for delivering biomass, a secondary combustion chamber fluidly connected to the primary combustion chamber, an oxygen mixer positioned between the primary combustion chamber and the secondary combustion chamber, a heat exchanger and an exhaust stack.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: June 12, 2007
    Assignee: Vidir Machine, Inc.
    Inventors: Raymond Dueck, Maciej G. Wierzbowski
  • Patent number: 7191714
    Abstract: The inventive subject matter is directed toward a pyrolytic waste treatment system comprising a pyrolysis chamber having a chamber wall with a hole through which a shaft passes. An insulating mechanism is used at the hole to inhibit heat from escaping through the opening in the chamber wall.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: March 20, 2007
    Assignee: International Enviornmental Solutions Corporation
    Inventors: Cameron Cole, Raul de la Torres, Toby L. Cole, Dan Watts
  • Patent number: 7188571
    Abstract: A method for the processing of carbon-containing polymeric material, the method comprising the steps of: Introducing the carbon-containing polymeric material into the retort of a retort assembly which includes a retort disposed at least partially within the combustion chamber, the retort containing an inert heat-transfer medium and an agitation means, wherein the agitation means is adapted to agitate the inert heat transfer medium and the carbon containing polymeric material, the combustion chamber having heating means to indirectly heat the rotatable retort; Heating the carbon-containing polymeric material and the inert heat transfer medium to cause such to at least partially decompose; Discharging processed carbon-containing polymeric material from the retort.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: March 13, 2007
    Assignee: Tox Free Solutions Limited
    Inventor: Sergio Nusimovich
  • Patent number: 7182028
    Abstract: A system for the pyrolization of waste has a combustion chamber with a fuel inlet and a hot gas outlet, a pyrolization chamber separated from the combustion chamber, and a conveyor means positioned within the pyrolization chamber for moving waste from the waste inlet through the pyrolization chamber. The pyrolization chamber is connected to the hot gas outlet of the combustion chamber. The pyrolization chamber has a waste inlet and pyrolized waste outlet. A plurality of radiant tubes are positioned within the pyrolization chamber adjacent to the conveyor so as to heat the waste on the conveyor.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: February 27, 2007
    Inventor: Warren E. White
  • Patent number: 7156027
    Abstract: An object to be treated such as soil, burned fly ashes, or the like containing organic halides is introduced to a hermetically sealable thermal decomposition furnace 310 and heated under reduced pressure. Emitted gases of the object to be treated are treated so that the generation and recomposition of dioxins are supressed. A heated residue of the object to be treated is cooled after being purged with a purge gas which is organic halide-free and has no organic halide generating capacity. Thus, the concentration of organic halides remaining in the heated residue can be held to an extremely low level.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: January 2, 2007
    Assignee: Houei Syoukai Co., Ltd.
    Inventors: Yoshiaki Yokoyama, Tooru Kodama, Yasuo Mishima, Katuo Takamiya
  • Patent number: 7140309
    Abstract: A method and system for clean burning organic or synthetic material, particularly vulcanized rubber, where fuel is ignited and the heat and smoke by-product is maximized by controlling the amount of oxygen available to the fire. The smoke by-product in an afterburner is reacted with steam, producing hydrogen and carbon monoxide, the products may be collected and stored. The extreme heat in the afterburner reduces the amount of pollutants and toxins in the air. Excess heat generated by burning the fuel may be used to power an engine.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: November 28, 2006
    Assignee: New Energy Corporation
    Inventor: Max D. Behunin
  • Patent number: 5153508
    Abstract: A method is described for determining the return stroke polarity of distant lightning for distances beyond 600 km by detecting the electric field associated with a return stroke of distant lightning, and processing the electric field signal to determine the polarity of the slow tail of the VLF waveform signal associated with the detected electric field. The polarity of the return stroke of distant lightning is determined based upon the polarity of the slow tail portion of the waveform.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: October 6, 1992
    Assignee: United States of America as Represented by the Administrator, National Aeronautics and Space Administration
    Inventors: Richard J. Blakeslee, Marx Brook