Abstract: A high efficiency heating apparatus for heating fluids and cooking mediums, such as oil or shortening within a fryer, includes a natural draft (non powered) combustion chamber with internal baffles that is affixed to an exterior surface of a fry tank.

Abstract: Embodiments of the present invention include high-temperature staged recirculating burners and radiant tube burner assemblies that provide high efficiency, low NOx and CO emissions, and uniform temperature characteristics. One such staged recirculating burner includes a combustion tube having inside and outside helical fins forming opposing spiral pathways for combustion gases and products of combustion, a combustion nozzle coupled to the combustion tube, a gas tube running axially into the combustion tube, and a staging gas nozzle coupled to the gas tube, where the staging gas nozzle includes radial exit holes into the combustion tube and an axial gas staging tube extending into the combustion nozzle to stage combustion.

Abstract: A temperature sensor (1) for gas burner (2) having a thermocouple (11) comprising electric conductors (15) and a connection element (12) to connect to the burner (2) associated with a free end (18) of such thermocouple (11), said connection element (12) being suitable for being inserted inside a seat of the sensor (8) formed inside a wall (4) of the burner (2) and having a first end (26) suitable for being placed at the outer surface (6) of the burner (2), said thermocouple (11) being inserted inside a blind hole (29) of the connection element (12) which opens at a second end (28) of said connection element (12). Said blind hole (29) ends with at least one part (31) convergent towards an end zone (K) of the hole (29), said part (31) getting in contact with the thermocouple (11) inserted inside the connection element, the connection element (12) being made from an iron-chrome-aluminum alloy. An assembly comprising such temperature sensor and a burner is also claimed.

Abstract: This solid fuel burner is provided with: a venturi tube in which a channel for mixed fluid in a fuel nozzle narrows toward the center in the channel cross section; a fuel concentrator that imparts, to the mixed fluid, a velocity component away from the center of the fuel nozzle; and a channel separation member that separates the channel of the fuel nozzle into an internal side and an external side; wherein the channel separation member is shaped in such a way that the cross sectional area of an external channel is larger at the downstream end than at the upstream end, and the upstream end of the fuel concentrator is located between the upstream end and the downstream end of an expanded portion of the venturi tube. This solid fuel burner prevents solid fuel particles, which is ground biomass fuel, from adhering and depositing inside the nozzle.

Abstract: Nail gel curing devices emitting ultraviolet light, as well as methods of their making and use are disclosed. The devices are useful for curing, inter alia, acrylic compositions, more particularly, acrylic nail gel compositions, and typically employ ultraviolet and/or visible light emitting diodes (“LED”) to cure such ultraviolet and/or visible light curable nail gel resins.

Abstract: A door for sealing a cooking chamber of a cooking appliance includes a rear wall and a condensate collection device for collecting a condensate draining from a rear side of the rear wall. The condensate collection device includes a collection and guide rail to collect condensate draining from the rear side and to divert the condensate in the direction of a collection container of the condensate collection device.

Abstract: Disclosed herein are a fluid sand falling type circulating fluidized bed boiler with a plurality of risers for preventing erosion and corrosion of water tubes and increasing combustion efficiency, and a method of operating the same. The fluid sand falling type circulating fluidized bed boiler with a plurality of risers includes a boiler section into which fuel and oxidizer are injected, a riser section connected to the boiler section so that the fuel and fluid sand supplied from the boiler section are introduced from the bottom of the riser section and flow up, and a relay section provided on the boiler section to supply the fluid sand having passed through the riser section to the boiler section, wherein the fuel is injected from the top of the boiler section and burned while flowing down therein.

Abstract: A waste treatment unit. It comprises at least one gasifier having a main receptacle (1) with a waste inlet (2), a syngas outlet (6) and an ashtray outlet (8). In the interior of the receptacle there is a body (4) with at least one inclined section (7) disposed opposite to the waste inlet (2), and with a base (14) which creates a depletion shaft (17) that prevents the passage of waste; and a dividing wall (9a) in contact with said body (4) or an evacuation tube (9a) in the interior of the body (4), such as to create a waste zone (15) that encompasses at least the zone where the inclined section (7) is located, and a waste-free zone (16) wherethrough the syngas produced during oxidation of the waste flows towards the syngas outlet (6).

Abstract: An apparatus for recycling fly ash has a quantum energy generator therein. The apparatus recycles fly ash generated as the combustion waste from the burning of coal in thermal power plants, into construction materials such as cement substitutes, environment-friendly cover materials, etc. Unburned pulverized coal is removed while generating carbon monoxide (CO) or carbon dioxide (CO2) through a combustion reaction, in which the unburned pulverized coal of the fly ash contacts the thermal electrons discharged during a thermal decomposition process at a high temperature, the negative electrodes of the thermal decomposition part, which are heated at a high temperature of 500° C., which is an ignition point of the unburned pulverized coal, or higher, and a high-voltage discharge electrode of an electrochemical reaction part, then heated at 500° C. or higher, and then naturally burned under an oxygen atmosphere (oxygen or ionized oxygen ions in air contained in the fly ash).

Abstract: A combustion/pyrolization system for generating at least one of char and biochar comprising an upper base frame supporting a combustion/pyrolization housing, and the combustion/pyrolization housing having both an open top end and an open bottom end. A char collection bin defining a collection chamber therein and a perforated grate normally covering the open top end of the char collection bin. The perforated grate being sized so as to permit desired sized char and/or biochar to pass therethrough into the collection chamber. The open bottom end of the combustion/pyrolization housing of the upper base frame is movable into an engaged position where the combustion/pyrolization housing partially receives and surrounds the perforated grate and defines a combustion/pyrolization chamber for receiving and consuming feed material. The upper base frame is movable out of engagement with the perforated grate to facilitate movement of the perforated grate and removal of the generated char and/or biochar.

Abstract: A steam generating system includes a nozzle assembly for pulverized coal and air, the coal nozzle assembly comprises an inner housing (3) for conveying primary air and coal and an outer housing (5) for conveying secondary air to an exit face (13) of a nozzle tip (1), wherein the outer housing (3) and the inner housing (5) are arranged coaxially and limit a channel (15) for the secondary air, wherein the cross-sectional area (AIH) of the inner housing (3) increases towards the exit face (13) of the nozzle tip (1), wherein the cross-sectional area (AOH) of the outer housing (5) decreases towards the exit face (13), and wherein bars (11) are located in the inner housing (3) near the exit face (13) that accelerate the velocity of the primary air and coal particles.

Abstract: A cooking appliance is disclosed that according to one embodiment includes a plurality of gas burners, an electrode associated with each burner for igniting the flame, a flame sensor associated with each burner for monitoring the flame and at least one electric switch associated with an actuator that is transitional between open and closed positions. The cooking appliance also includes a control unit electrically connected to the electrodes, the flame sensors, and the switch. When the switch assumes the closed position, the control unit is activated and then in turn powers the electrodes and the flame sensors. Thereafter, the control unit sequentially monitors the presence or absence of flame in the burners during repeated time cycles.

Abstract: A side shelf system configured to couple to a portable cooking station. The side shelf system includes a side shelf and a cutting board. The side shelf includes an upper surface that defines a rectangular opening therein. The side shelf includes at least two extensions that extend from the opening, each extension having a ledge. The cutting board is sized to be positioned in the rectangular opening, the cutting board having an upward facing surface with a through hole defined therein. The cutting board includes a depth such that, upon positioning the cutting board over the ledge, the upward facing surface of the cutting board is substantially flush with the upper surface of the side shelf.

Abstract: A method of processing grain from a dryer includes maintaining a transition zone within a volume of received grain, the transition zone being a cross section of the volume of the received grain that is at a same temperature, by cooling and drying the received grain; and extracting cooled grain.

Abstract: A grill apparatus includes a bottom portion, a lid portion, a firebox and an ash bucket. The lid portion is coupled to the bottom portion forming a cooking chamber. The bottom portion receives the firebox. A support structure of the firebox rests on an inner surface of the bottom portion. An inner surface of the bottom port, the support structure of the firebox and a firebox lower opening define a first air path from a lower portion of the cooking chamber to a heat chamber. The ash bucket includes an air vent extending from a base of the ash bucket base into an internal ash receptacle and has an upper vent aperture with a vent cover connected to the air vent. The cover is disposed over an upper vent aperture to further define the first air path.

Abstract: In this application is disclosed a novel equipment for solid waste treatment in general, whose state of the art foresees various types of reactors for thermal processing of solid waste, it is constituted by a reactor that has the combustion processed under a thermal cyclone effect produced by air nozzles.

Abstract: The invention concerns a pulverized solid fuel, in particular coal, nozzle (10) comprising an inlet opening (12) for receiving a stream of coal/air mixture (16) and an outlet opening (14) for discharging said stream (16) into a burner. The inlet opening (12) and the outlet opening (14) are fluidically connected by a flow section (18), and a flow cross section (20) of the flow section (18) varies along a flow direction (22) of the stream of coal/air mixture (16). The flow section (18) comprises a flow constriction (24) with a, preferentially globally, minimal flow cross section (26). The flow constriction (24) is fluidically located between the inlet opening (12) and the outlet opening (14) and the flow section (18) has a flow cross section (20) that, in particular continuously, increases from the flow constriction (24) to the outlet opening (14).

Abstract: A dual-fuel fireplace apparatus is described. In one example, an apparatus includes an enclosure having a door disposed thereon and a wood burning compartment disposed within the enclosure. The wood burning compartment has an insulated housing configured to support temperatures associated with burning of wood within the wood burning compartment. A gas burning compartment is also disposed within the enclosure and has a gas burner disposed therein. A mechanism including a motor is configured to cause movement between a first mode in which the wood burning compartment is viewable through the door and a second mode in which the gas burning compartment is viewable through the door.

Abstract: A system for inhibiting and providing access to appliance control knobs includes a support structure for mounting individual control knobs or groups thereof, and an actuator assembly for extending and retracting control knobs either individually or collectively.

Abstract: A method and apparatus for protecting a furnace floor of a black liquor recovery boiler, where a mixture is formed by mixing material with a fluid, and the furnace floor is covered by said mixture by flowing the formed mixture onto the floor from the outside of the furnace.