With Additional Conveying Means Patents (Class 34/580)
  • Patent number: 11077064
    Abstract: Provided is a device for granulating, agglomerating, pelletising, drying and/or coating, the device including a swirl chamber, a distribution chamber, wherein the swirl chamber is separated from the distribution chamber by a base and wherein a powder to be granulated or a powder mixture to be granulated is presented in the swirl chamber, the device further including at least one agitator for thoroughly mixing the powder to be granulated or the powder mixture to be granulated and at least one addition device for a liquid, wherein the base is designed in several parts and at least one base part is horizontally and/or vertically displaceable, with the result that that the base becomes a distributor plate. Also provided is a method for granulating, agglomerating, pelletising, drying and/or coating using such a device and a base suitable for use as a distributor plate in a convective drying apparatus.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: August 3, 2021
    Assignee: Glatt Maschinen-und Apparatebau AG
    Inventors: Jochen Thies, Reinhard Nowak
  • Patent number: 10132008
    Abstract: A horizontal heat treatment device continuously subjects an untreated continuous flat object to heat treatment while horizontally transferring the untreated object within a heat treatment chamber. Seal chambers are interconnected to the untreated-object loading opening and treated-object unloading opening of the heat treatment chamber. A passage is connected to an opening of each of the seal chambers, the opening located on the side opposite the heat treatment chamber. The untreated-object passage loading opening interconnected to the untreated-object seal chamber loading opening and the treated-object passage unloading opening interconnected to the treated-object seal chamber unloading opening are the untreated-object loading opening and treated-object unloading opening of the heat treatment device. A pair of gas ejection nozzles are provided at upper and lower positions of the passages. The nozzles eject gas in specific directions, and the nozzle openings have a specific shape, a direction, and a length.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: November 20, 2018
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Keishi Mizuno, Tetsu Yasunami, Atsushi Kawamura, Youji Hatanaka, Nobuyuki Yamamoto, Hiromasa Inada
  • Patent number: 8533974
    Abstract: The present disclosure is generally directed to systems that are used for reclaiming components of wellbore cuttings material. In one illustrative embodiment, a system is disclosed that includes, among other things, a dryer that is adapted to receive a drill cuttings mixture that includes drilling fluid and cuttings material, the dryer being further adapted to treat the drill cuttings mixture by drying the cuttings material below a preselected moisture content level. The system also includes a moisture sensor that is adapted to sense a moisture content of the cuttings material after it is dried by the dryer, and a cuttings reinjection system that is adapted to reinject the dried cuttings material into a well bore. Additionally, the system includes a conveyor system that is adapted to convey the dried cuttings material to the cuttings reinjection system, wherein the conveyor system includes, among other things, a positive pressure pneumatic conveying apparatus.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: September 17, 2013
    Assignee: Varco I/P, Inc.
    Inventor: George Alexander Burnett
  • Patent number: 8434242
    Abstract: The technology relates to spray dried plasma and methods of making the same. The method includes providing plasma to a spray drying apparatus, spray drying the plasma, at the spray drying apparatus, to form physiologically active plasma powder, the spray drying apparatus configured utilizing one or more parameters, and storing the physiologically active plasma powder.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: May 7, 2013
    Assignee: Velico Medical, Inc.
    Inventors: Dennis Brian Hubbard, Michael Haley
  • Publication number: 20100146814
    Abstract: An apparatus for drying and conveying a material includes a vibratory fluid bed dryer having a perforated drying deck on which material is deposited, said fluid bed dryer including a vibratory drive system capable of imparting a variable angle vibratory force to the deck. A flash dryer is also provided, having a fan and heater for supplying hot air through the fluid bed dryer deck and a cyclone for collecting finished, dried material particles.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 17, 2010
    Inventors: Stephen T. Baker, David Hubbs
  • Publication number: 20090277039
    Abstract: Disclosed and claimed is a pneumatic dryer for removal of liquid from the surface of particulate. The dryer finds application in drying water from coal using air as a drying gas. A significant mechanism of the removal of liquid from particulate is the shearing of liquid without a phase change from the particulate surface.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 12, 2009
    Inventor: Robert Rooksby
  • Publication number: 20090019721
    Abstract: In a method of drying particles of bulk material for subsequent transfer to an analyzer for determining a grain size of the particles, a free-flowing particle stream of particles to be dried is formed to move in a transport direction through a drying zone. As it moves through the drying zone, the particle stream is exposed to an air flow which is generated by a fan and heated by an air heater.
    Type: Application
    Filed: July 16, 2008
    Publication date: January 22, 2009
    Applicant: W. S. Tyler
    Inventors: Sven Vennewald, Anette Griese, Franz-Gerd Horster
  • Patent number: 7193032
    Abstract: Methods are disclosed herein to reduce and/or eliminate agglomerations and deformations of pellets comprised of crystallizable thermoplastic polymer material during a crystallization or crystallization of the pellets.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: March 20, 2007
    Assignee: Buhler AG
    Inventors: Brent-Allan Culbert, Andreas Christel
  • Patent number: 7134222
    Abstract: A transfer apparatus is provided for the transport of transfer objects such as glass substrates or semiconductor devices in which cleanliness and secure transport are of major concern. A plurality of air nozzles inject air through the plurality of air nozzles to hold a transfer object in place above or below the plurality of air nozzles without the plurality of air nozzles making contact with the transfer object. The plurality of air nozzles are positioned perpendicular to the transfer object to stop and/or engage the transfer object in a rest position. The plurality of air nozzles are inclined to a specified angle to move the transferred object in a desired direction. Advantageously, because the transfer object is moved without physical contact between the structure of the air nozzles and the transfer object, the transfer is secure, clean, and efficient.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: November 14, 2006
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Geun-Soo An, Gi-Cheon Yoon
  • Patent number: 6865822
    Abstract: This invention provides a dried singulated cellulose pulp fiber product as well as an apparatus and a method for forming singulated and dried fibers. In accordance with the process a feed pulp is delivered to a jet drier. The jet drier singulates and dries the feed pulp. The singulated and dried fibers are collected from the jet drier. The feed pulp may be treated with a treatment substance. The jet drier may be maintained at negative pressure. The product fibers may have low knot count, a low fines count, as well improved kink, curl and twist. The apparatus for carrying out the process may include a pretreatment station for supplying the treatment substance, a pulp feed device designed for pulp, a pulp feed device designed for pulp and foam suspensions, and/or a fiber separation station having a vacuum conveyor.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: March 15, 2005
    Assignee: Weyerhaeuser Company
    Inventors: Michael David Vrbanac, Ramon Charles Dezutter, Brian Wester, Michael James Yancey
  • Patent number: 6711830
    Abstract: A method of treating drill cuttings containing a detectable amount of hydrocarbon-based drilling fluid comprises injecting a non-toxic additive to the cuttings and mixing the cuttings and additive to the point where the amount of hydrocarbon-based drilling fluid is less than 1% by weight. The method of treating cuttings includes the additional step of taking the mixture of cuttings and additive and disposing of the mixture directly to the soil, preferably in the immediate vicinity of the well site. A system is provided for carrying out the method, including structure for adding a quantity of an chemical additive to cuttings carrying a quantity of drilling fluid. The system further provides a controller to determine the cuttings load within the system, and controls to vary the quantity of treatment chemicals added to the cuttings according to the cuttings load.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: March 30, 2004
    Inventors: Gary L. Hensley, Lee Hilpert
  • Patent number: 6612049
    Abstract: The preheater and dryer device has a housing and a first collector is disposed inside the housing. A feeding device extends into the housing and contains a material to be dried and preheated. A movable and hollow central conduit extends from the upper end of the housing to a bottom portion of the first collector. The central conduit carries a hot and dry air into the housing. A first and a second conical shield are attached to the central conduit. The central conduit is movable between a first open position and a second closed position. The second conical shield is tightly held against the first collector to close the bottom opening thereof when the central conduit is in the second closed position and the second conical shield is separated from the first collector when the central conduit is in the first open position.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: September 2, 2003
    Inventor: Roland Lofgren
  • Publication number: 20030140519
    Abstract: This invention provides a dried singulated cellulose pulp fiber product as well as an apparatus and a method for forming singulated and dried fibers. In accordance with the process a feed pulp is delivered to a jet drier. The jet drier singulates and dries the feed pulp. The singulated and dried fibers are collected from the jet drier. The feed pulp may be treated with a treatment substance. The jet drier may be maintained at negative pressure. The product fibers may have low knot count, a low fines count, as well improved kink, curl and twist. The apparatus for carrying out the process may include a pretreatment station for supplying the treatment substance, a pulp feed device designed for pulp, a pulp feed device designed for pulp and foam suspensions, and/or a fiber separation station having a vacuum conveyor.
    Type: Application
    Filed: May 7, 2002
    Publication date: July 31, 2003
    Applicant: Weyerhaeuser Company
    Inventors: Michael David Vrbanac, Ramon Charles Dezutter, Brian Wester, Michael James Yancey
  • Patent number: 6536133
    Abstract: Reduction of moisture in harvested crop particles. Waste heat from an internal engine carried by a harvester is applied to the crop during the harvesting process. Microwave energy is applied to the crop, concurrently with application of the heat, or separately from it. The objective is to reduce the moisture to a level acceptable to a storage facility, or at least to reduce the cost of further reduction.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: March 25, 2003
    Inventor: Alvin A. Snaper
  • Patent number: 6442868
    Abstract: A drying cylinder for drying a fibrous web, the cylinder having an inner chamber connected to a pressurized air source; and an outer cylinder jacket having an air-permeable region which is adapted to contact the fibrous material web. Also a drying section for drying a fibrous web, including at least one drying cylinder having an inner chamber and an outer cylinder jacket having an air-permeable region; a circulating belt arranged to press the fibrous web against the outer cylinder jacket and belt being arranged to partially wrap around the drying cylinder; and a pressurized air source connected to the inner chamber is described.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: September 3, 2002
    Assignee: Voith Sulzer Papiertechnik Patent GmbH
    Inventors: Robert Wolf, Markus Oechsle, Wolfgang Mayer, Thomas Mack, Roland Mayer
  • Patent number: 6161307
    Abstract: The invention relates to a system for cooling and reducing fluoride emissions from a hot, spent anode butt removed from an electrolysis cell. The system comprises an elongated fluidised bed cooling chamber comprising particles of alumina and conveyor means for transporting a hot, spent anode butt through the fluidised bed. A lower air distributor is provided for injecting fluidising air into the chamber to create the fluidised bed and an upper air distributor is provided which is adapted to direct fluidised particles into contact with the top surface of the hot anode butt, whereby the fluidised bed surrounds the hot anode butt and serves to simultaneously uniformly cool the hot anode butt and significantly reduce fluoride emissions from the hot anode butt.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: December 19, 2000
    Assignee: Alcan International Limited
    Inventors: Thierry Bourgeois, Nigel Ian Steward, Jean-Paul Huni, Fran.cedilla.ois Tremblay, Jean Perron
  • Patent number: 6101738
    Abstract: A process and system for treating sludge are provided. Sludge is dewatered by introducing pressurized air to the sludge, while the sludge is being moved continuously. The air strips the sludge of its water, thus increasing total solids captured with respect to time. The throughput of the system is therefore also increased. In addition, the pressurized air passing through the sludge support purges contaminants from the pores of the support, thus keeping them clean without the necessity to backwash same.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: August 15, 2000
    Inventor: Gary Gleason
  • Patent number: 6042369
    Abstract: A method for rapid heat treatment, quenching and aging of an article includes placing the article in a fluidized bed and conveying the article through the bed. Heat treatment, quenching and aging of the part can be done in less than two hours using this method. The method also includes removing fluidizing media from the article as the article is removed from the fluidized bed. An elevator is used to remove the article from the fluidized bed. The elevator may include a conveyor for moving the article into another fluidized bed. The article can then be placed into the second fluidized bed and conveyed through that bed. Each fluidized bed is controlled so that a specific heat treatment can be applied to the article by the fluidized bed. The fluidized bed can be used as a portion of an automated production line. The retort of the fluidized bed includes a system for recycling the air passed through the fluidizing media in the furnace.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: March 28, 2000
    Assignee: Technomics, Inc.
    Inventors: Charles H. Bergman, Steve I. Krause
  • Patent number: 5832627
    Abstract: An improved dryer and method for drying the surface of produce and other objects. The dryer has a continuous conveyor for transporting the objects in a substantially horizontal path, a heat reservoir disposed beneath the conveyor for radiating heat, and a drying hood assembly for enclosing a volume above the heat reservoir and the continuous conveyor. The drying hood assembly has a hood, air baffles disposed near the conveyor, and a hood fan to facilitate air flow turbulence about the air baffles within the drying hood assembly. A heat source is provided for heating the heat reservoir. A monitoring system is provided for receiving and interpreting sensory readings received from sensors disposed at locations about the dryer. The monitoring system also provides controlling signals to regulate the drying conditions for objects being conveyed.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: November 10, 1998
    Assignee: JFH Engineering
    Inventor: Jacob F. Hiebert
  • Patent number: 5813138
    Abstract: An aerated belt conveyor system for conveying hot expanded minerals including a longitudinal power driven belt conveyor surrounded by an envelope is described herein. An exhauster creates an air flow in the envelope to aerate expanded mineral material conveyed by the power driven belt conveyor and cool the mineral material to an adequate bagging temperature.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: September 29, 1998
    Inventors: Richard Barabe, Yvan Boisvert
  • Patent number: 5768800
    Abstract: Apparatus for fluidizing a pulverulent material in a stream of fluidizing gas includes a membrane through which the fluidizing gas can flow but the pulverulent material cannot, a first fluidizing gas gallery on a first side of the membrane, a second fluidized pulverulent material gallery on a second side of the membrane, a passageway out of the second gallery for the removal of fluidized pulverulent material therefrom, and apparatus for generating a signal indicative of fluidizing gas pressure inside the second gallery and controlling fluidizing gas pressure in the second gallery in response to the generated signal. The passageway accommodates a conveyor having multiple conveying sections. At least a first of the multiple conveying sections is located adjacent an inlet opening of a housing for the conveyor. The first conveying section is generally coextensive with the inlet opening. A conveyor drive mechanism is selectively engageable with the conveyor.
    Type: Grant
    Filed: June 8, 1995
    Date of Patent: June 23, 1998
    Assignee: Matsuo Sangyo Co. Ltd.
    Inventors: Christopher R. Merritt, Anthony J. Smotherman, Michael J. Thies
  • Patent number: 5735062
    Abstract: A method for transporting, drying and unloading lightweight particulate material involves taking a wheeled compartment having forward and rearward ends, a bottom, and opposite sides, forming a false bottom over the bottom to create an air duct therebetween, forming air ports in the false bottom which will deflect forced air passing therethrough from the air duct in a direction generally towards the rearward end, placing a quantity of peanut hulls in the compartment, forcing warm air into the air duct through the air ports and into the compartment to dry the peanut hulls, and moving the rearward end of the compartment to permit the air from the air ports to blow the dried hulls from the compartment out of the rearward end.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: April 7, 1998
    Assignee: Sukup Manufacturing Company
    Inventor: Eugene G. Sukup
  • Patent number: 5713138
    Abstract: A dryer system for drying a coating applied to a substrate includes a thermally conductive roll having a length and a peripheral surface for supporting the substrate, and a plurality of energy emitters disposed within the conductive roll along the length of the conductive roll. The plurality of energy emitters are controlled to selectively emit energy along the length of the conductive roll. The conductive roll is at least partially surrounded by at least one convection unit. The convection unit includes a blower assembly, a heater assembly and a vacuum passageway. The blower assembly includes an inlet and directs a current of air towards the substrate. The heater assembly heats the air being directed towards the substrate. The vacuum passageway extends between the substrate and the inlet of the blower assembly for returning the heated air to the blower assembly once the air has impinged upon the substrate.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: February 3, 1998
    Assignee: Research, Incorporated
    Inventor: Paul D. Rudd
  • Patent number: 5590479
    Abstract: In a procedure for continuously crystallizing and polymerizing polyester and polyamide materials, amorphous material is first precrystallized, preferably in a fluidized bed (1,2), then heated up to the reaction temperature in a preheating zone (4) and finally polymerized and largely liberated from byproducts in a reactor (3). In this procedure, material from the discharge area of the preheating zone (4), of the reactor (3) or of a cooler (8) is subjected to an optical analysis in an analyzing unit whereby the degree of polymerization of the material and/or the contents of byproducts can be determined. The result of the analysis as actual value is compared in an comparator unit with a predetermined nominal value obtained in at least one calibration procedure for forming at least one controlled value serving to form at least one control signal that can be supplied to at least one final control element.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: January 7, 1997
    Assignee: Buhler AG
    Inventors: Arthur Ruf, Brent A. Culbert, Eszter Trenka
  • Patent number: 5404655
    Abstract: The invention relates to a method for regulating the sand discharge by means of a discharge pipe located on the opposite side of a sand charging means of a fluidized bed kiln in connection with the thermal regeneration of old foundry sand, in which the base of the fluidized bed kiln has openings through which the hot gases pass into the fluidized bed. The method is characterized in that the sand exit from the discharge pipe (4) is freed by increasing the air supply in a pneumatic conveyor (5) following the fluidized bed kiln (1) through its perforated base (7) in such a way that the pouring cone (6) formed between the end of the discharge pipe (4) and the base (7) is decreased and consequently the exit of the discharge pipe (4) is freed.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: April 11, 1995
    Assignee: KGT Giessereitechnik GmbH
    Inventors: Volker Godderidge, Walter Stuzmann
  • Patent number: 5390429
    Abstract: A particulate material feeder is provided having a material dispensing hopper cooperating with a continuous conveyor revolving in a vertical plane having a plurality of spaced flights operating over a horizontal bedplate for controlled feeding of material over the bedplate in a uniform thickness layer. The dispensing hopper is positioned in longitudinal alignment with the conveyor at one end thereof and has a discharge throat located a distance vertically above the bedplate with a transfer plate extending from the throat to the bedplate with a portion of the transfer plate at its end joining with the bedplate being arcuately curved in conformity to the path of movement of the conveyor flights. The dispensing hopper has a selectively positionable valve plate that is adjusted to and maintained at a position with respect to the throat for control of the depth of material displaced over the bedplate.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: February 21, 1995
    Assignee: Jet-Pro Company, Inc.
    Inventor: David H. Long
  • Patent number: 5371955
    Abstract: A bulk material reactor which has a travelling bed (3) made up of the bulk material held inside a reactor housing (1), with an input assembly (14, 15) on the top and an outlet assembly (4) on the bottom of the travelling bed, a gas supply line (10) and a gas discharge line (18) at different ends of the travelling bed (3), wherein the travelling bed (3) is disposed around a central column (2), the floor (6) of which adjoins the discharge assembly (4), holding the bulk material at an angle of repose; it possesses an advantageous gas supply and can thereby be combined into major reactor assemblies without difficulty, because the interior of the central column (2) constitutes the gas line (10) and the central column (2) has an outlet opening (11) in its floor (6).
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: December 13, 1994
    Assignee: Nymic Anstalt
    Inventor: Juergen Ritter
  • Patent number: 5323547
    Abstract: A fluidized type paint powder tank has a fluidizing chamber for fluidizing paint powder and a storage chamber into which the paint powder in the fluidizing chamber is fed to keep it still. There is also provided a paint supply device for an electrostatic powder painting apparatus that includes a paint tank for containing paint powder and a painting gun coupled to the paint tank through an injector and a hose. The device includes a discharge member for discharging the paint powder from the paint tank and a hopper for receiving the paint powder discharged by the discharge member. A screw feeder is provided under the hopper. With this arrangement, the paint powder supplied at a uniform rate by the screw feeder is fed into the injector.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: June 28, 1994
    Assignee: Matsuo Sangyo Co., Ltd.
    Inventors: Haruhisa Kaiju, Hitoshi Yoshida, Junichi Yukikawa, Akihisa Yoshizaki