98results about "Baffles" patented technology

A combustor component is disclosed comprising a combustion chamber, which comprises an oxidant inlet configured to receive a gas flow of an oxidant, a fuel inlet configured to receive a gas flow of a fuel into the combustion chamber, and a gases outlet configured to allow passage of a flow of exhaust gases from the combustion chamber. The combustor component is configured to facilitate separation of the gas flows of the oxidant and the fuel entering the combustion chamber prior to combustion of the fuel with the oxidant. A combustor assembly comprising a plurality of combustor components for staged combustion of a fuel with an oxidant, and related systems and methods for control and use of the combustor assembly, including in calcination processes, are also disclosed. A pyrolysis component, a pyrolysis assembly comprising a plurality of pyrolysis components, and related systems and methods using the pyrolysis component are also disclosed.

A non-return valve for a flow channel has a housing and an outflow opening that can be closed by a pivoting blocking flap. The blocking flap has a dome-shaped bulge. An opening edge of the outflow opening has a hinge region for the blocking flap that transitions into a blocking flap stop region circumferentially opposite the hinge region. The blocking flap stop region is offset so that the opening edge has a progression that is curved in the circumferential direction and in the outflow direction. The housing has an indentation in the circumferential direction, which is not closed by the blocking flap such that the indentation forms a condensate chamber when the housing is inserted into the surrounding flow channel. The indentation is equipped with a flow opening, through which a condensate accumulating in the condensate chamber delimited by the indentation can flow in the interior of the housing.

Systems and methods for a heat pump water heater with an external muffler for reducing noise are provided. The heat pump water heater may include a compressor and other components that may generate a noise during operation. The noise may emanate through air inlet and / or outlets of the heat pump water heater. To reduce the noise emitted from the heat pump water heater, a muffler designed to obstruct and / or absorb soundwaves may be secured to the air outlet and / or air inlet of the heat pump water heater. The muffler may include a cylindrical housing with baffles attached along an interior surface. The baffles may overlap one another such that sound waves are obstructed. The baffles may be perforated for facilitating airflow and / or the cylindrical structure may include a liner for absorbing sound waves. In this manner a heat pump water heater with reduced noise during operation may be achieved.

The utility model discloses a biomass boiler combustion chamber structure, which relates to the technical field of biomass boilers and comprises two partition plates, a plurality of heat conduction pipes fixedly connected between the two partition plates, and a combustion chamber arranged between the two partition plates below the heat conduction pipes. Every two adjacent smooth furnace pipes are fixedly connected through a corrugated furnace pipe, one sides of the two smooth furnace pipes are installed in the corresponding partition plates in a penetrating and inserting mode, spiral flow guide plates are arranged in the corrugated furnace pipes and fixedly installed in the corrugated furnace pipes through installation rods, and heat conduction sleeves are further movably installed on the outer sides of the heat conduction pipes. The two spiral flow guide plates are arranged in the combustion chamber, biomass fuel and flames can be guided, more heat can be conducted into the heat conduction pipes through the smooth furnace pipe and the corrugated furnace pipe, and meanwhile the heat conduction efficiency between the combustion chamber and the multiple heat conduction pipes can be further improved by means of the arrangement of the heat conduction sleeve, the first heat conduction plate and the second heat conduction plate.

The present disclosure relates to a device for heating a medium, including a burner unit and a flame tube, wherein the burner unit generates flue gas, wherein the flame tube has a flue gas inlet, a longitudinal axis, a casing extending along the longitudinal axis, and an end face opposite the flue gas inlet, wherein the flue gas passes from the burner unit into the flame tube via the flue gas inlet, wherein a plurality of recesses are located in the casing, and wherein the recesses have different dimensions and / or are distributed asymmetrically on the casing. The longitudinal axis is in a central plane, wherein a first side and a second side of the casing are formed by the central plane, and wherein recesses on the first side have smaller dimensions than recesses on the second side.

There is provided a flow-directing apparatus for a furnace for curing tobacco, the flow-directing apparatus comprising: one or more flow guides arranged to form a primary fluid flow path to guide a primary fluid flow from a primary combustion chamber of the furnace to a mixing region of the furnace; and one or more bypass channels arranged to form a secondary fluid flow path for receiving a secondary fluid flow from an inlet, wherein the secondary fluid flow path bypasses at least part of the primary fluid flow path, wherein an outlet of the one or more bypass channels is arranged to feed into the mixing region to cause the primary fluid flow and the secondary fluid flow to mix.

The invention discloses a flue gas flow equalizing device for a turning flue of a compact boiler, and relates to the technical field of flue gas flow equalizing devices. The device comprises a flow guide plate arranged at an inlet of a turning flue and used for preliminary flow guide; the different-diameter flow equalizing pore plate is arranged at the downstream of the flow guide plate, and the flue gas flow speed is balanced through the differentiated design that small holes are formed in the high flow speed position and large holes are formed in the low flow speed position; and the rectifying grid is arranged at the downstream of the reducing flow equalizing pore plate so as to further optimize the uniformity of the flow field. Through a three-stage flow equalizing system formed by the guide plates, the different-diameter flow equalizing pore plates and the rectifying grids, the problem that the flue gas flow velocity at the turning flue of the compact boiler is not uniform is solved, and while the denitration efficiency is improved, the device has the advantages of being simple in structure, low in manufacturing cost, small in occupied space and the like.

The present invention discloses an ammonia oxidizer for a tail gas ammonia removal system. By installing a deflector inside a reaction chamber having an intake pipe and an outlet pipe, which can enable the gas to circulate repeatedly inside the reaction chamber, and at the same time arranging a catalyst for catalytic combustion reaction in the necessary path of the gas circulating repeatedly, a combustion chamber that is not affected by the gas flow rate and velocity is obtained by alternately opening and closing the intake pipe and the outlet pipe. At the same time, the present invention also discloses an ammonia oxidation method for a tail gas ammonia removal system. By allowing ammonia to circulate repeatedly inside the reaction chamber to pass through the catalyst for catalytic combustion reaction repeatedly, the catalytic combustion efficiency of ammonia is improved. At the same time, waste gas is discharged when the internal pressure of the reaction chamber rises to a threshold value. At this time, the internal pressure of the reaction chamber is relatively high, and a bursting airflow will be generated instantaneously at the outlet pipe. The bursting airflow flushes out the impurities adsorbed on the catalyst to clean the catalyst.

A cooking appliance comprising a heating chamber 1, a lower chamber 2 located below the bottom wall portion 11 of the heating chamber 1, and a gas burner 3 positioned inserted into a burner mounting hole 15 formed in the bottom wall portion 11 so as to extend from the heating chamber 1 to the lower chamber 2, which heats the food to be cooked with the food placed on the bottom wall portion 11, is designed to suppress the cooling of the bottom wall portion 11 by secondary air flowing into the burner mounting hole 15, thereby shortening the preheating time. [Solution] A burner enclosure member 7 is installed in the burner installation hole 15, surrounding the gas burner 3 with a gap for secondary air to flow around it, such that there is a gap between the peripheral wall surface of the burner installation hole 15 and the burner enclosure member 7. A member 72 is provided between the peripheral wall surface of the burner installation hole 15 and the burner enclosure member 7 to prevent communication between the heating chamber 1 and the lower chamber 2 through the gap.

The invention discloses a straight type waste heat recovery boiler, and relates to the technical field of boilers, the straight type waste heat recovery boiler comprises a mounting base, a vertical boiler is mounted at the top end of the mounting base, a power conversion and spraying filtering mechanism is arranged at the top end of the vertical boiler, and the power conversion and spraying filtering mechanism comprises a smoke exhaust straight cylinder; the boiler is scientific and reasonable in structure and safe and convenient to use, a power conversion and spraying filtering mechanism is arranged, the flowing speed of rising waste gas is increased through a Bernoulli air flue, the smoke exhaust effect is improved, and the smoke exhaust effect is improved. By utilizing the cooperation of a wind power rotary vane, a rotary vane connecting shaft, a central rotating shaft and a hollow vertical cylinder, the high-temperature waste gas which rapidly rises can be conveniently utilized, power is generated, the hollow vertical cylinder is pushed to rotate, and then residual impurities on the filter screen are cleaned through the cooperation of a chain wheel, a transmission chain, a driven rotating rod and a rotating scraping plate.

The present invention provides a radiant tube having a heat transfer promoter with a simple structure and the ability to further improve heat transfer efficiency. The heat transfer promoter (4) has a main body (41) disposed on the center side of the pipe (1) and a plurality of protrusions (42) protruding from the main body (41) toward the inner wall surface (1a) of the pipe (1). Multiple protrusions (42) are formed on the outer periphery of the main body (41) in a manner arranged along the circumferential direction of the pipe (1). The multiple protrusions (42) are composed of multiple first protrusions (42a) and other second protrusions (42b). The front end of the first protrusion (42a) is opposed to the inner wall surface (1a) of the pipe (1) with a gap (ΔL). The number of first protrusions (42a) is set to be greater than the number of second protrusions (42b). When the ratio of the equivalent diameter (ΔL / Dt) of the gap relative to the portion of the pipe (1) in which the heat transfer promoter (4) is arranged is set to 100% as x [%), the following formula is satisfied: 0.3% <x<7%。

There is provided a radiant tube including a heat transfer promoter that has a simple structure and that is able to further improve the heat transfer efficiency. A heat transfer promoter (4) includes a body part (41) disposed on the center side of a conduit (1), and a plurality of protruding parts (42) protruding from the body part (41) toward an inner wall surface (1a) of the conduit (1). The plurality of protruding parts (42) is formed on the outer periphery of the body part (41) to be arranged in a circumferential direction of the conduit (1); the plurality of protruding parts (42) includes a plurality of first protruding parts (42a) each having a distal end portion facing the inner wall surface (1a) of the conduit (1) across a gap (ΔL), and a second protruding part (42b) as a remainder; the number of first protruding parts (42a) is set to be greater than the number of second protruding parts (42b); and when a ratio (ΔL / Dt) of the gap to an equivalent diameter of a conduit (1) portion, where the heat transfer promoter (4) is disposed, of the conduit (1) is given by x [%] in percentage, a formula below is satisfied: 0.3%<x<7%.

Gas distribution component for a burner, comprising an oxidant inlet 102, for introducing an oxidant flow into the burner; an oxidant inlet channel 101, in fluid connection with the oxidant inlet 102; a diffusion / buffering chamber 401, providing a space for buffering and diffusion of the oxidant after the oxidant flows out of the oxidant inlet channel 101, and connected to oxidant delivery components 302, 303, 304, wherein multiple through-holes 305 are provided on a wall of the oxidant inlet channel 101 that is adjacent to the diffusion / buffering chamber 401, the gas distribution component being easy to operate, with no need to configure a complex valve structure, thereby greatly reducing manufacturing costs, and also achieving the effects of being convenient to use and maintain, reducing the pressure value requirement for an upstream gas source, and reducing the impact of gas source fluctuation on the combustion effect.

A system for reducing internal combustion engine emissions includes an engine, a catalytic converter fluidly connected to a combustion chamber via an exhaust line, a glow plug positioned along the exhaust line between the catalytic converter and the combustion chamber, and a flame accelerator, without a fluid connection to a separate fuel supply. Methods of using the system include igniting a mixture of air and fuel in the exhaust line using the glow plug, producing an amount of heated combustion gas.

The invention relates to a flow-directing element (100) for a heating apparatus (2), in particular a heating apparatus (2) with an evaporator burner (4), having a body which comprises a laterally arranged inflow region (102) on an underside of the flow-directing element, having a centrally arranged outflow region (104), which comprises a through-passage from an underside of the flow-directing element to an upper side of the flow-directing element, the upper side being located opposite the underside, and having at least one guide element (16), which is arranged such that it allows flow to be guided from the inflow region to the outflow region. The invention also relates to a flow-directing system and to a heating apparatus.

A fireplace enclosure is an apparatus that enables the restoration of an existing wood-burning fireplace by providing a clean surface that enables the installation of gas logs in the existing wood-burning fireplace. The apparatus preferably includes a first lateral panel, a second lateral panel, a bottom panel, and an arc-shaped panel. The first lateral panel and the second lateral panel correspond to the sections of the apparatus that cover the lateral walls of the existing fireplace. The bottom panel corresponds to the section of the apparatus that covers the bottom wall of the existing fireplace. The arc-shaped panel corresponds to the section of the apparatus that covers the back wall of the existing fireplace. In addition, the arc-shaped panel increases the structural strength of the apparatus by providing rigidity to the overall structure.

A cooking device includes a frame having a plurality of legs, a main body supported by the frame and having a heating compartment having at least one burner, a cooking surface disposed above the heating compartment and configured to be heated by the at least one burner for cooking a food item in a first cooking mode, and a rack disposed below the heating compartment and configured to receive the food item thereon for cooking the food item via heat from the at least one burner in a second cooking mode.

The invention provides a compact self-mixing type flow guide air bellow device. The compact self-mixing type flow guide air bellow device comprises an upper flow guide air bellow and a lower flow guide air bellow which are fixed to the inner wall of a hot air pipeline and arranged at intervals. The upper flow guide air bellow and the lower flow guide air bellow are respectively positioned on an inner ring and an outer ring of the bending section and are concentrically arranged with the bending section; hot air channels are formed between the upper flow guide air bellow and the lower flow guide air bellow and between the upper flow guide air bellow and the inner side wall of the hot air pipeline and between the lower flow guide air bellow and the inner side wall of the hot air pipeline, so that the direction of hot air entering the hot air pipeline is changed and hot air is primarily shunted; an upper flow guide air box air inlet and a lower flow guide air box air inlet are formed in the positions, corresponding to the two side walls of the upper flow guide air box and the lower flow guide air box, of the hot air pipeline correspondingly and used for being communicated with the cold air pipeline so that cold air entering the hot air pipeline can flow to the horizontal section after being mixed with hot air. The integrated flow guide air bellow device with the functions of flow guide, resistance reduction and cold and hot air mixing is designed creatively from the source, space is saved, and air duct resistance is reduced.

The utility model relates to a smoke baffle on the lower portion of a waste heat boiler heating surface, and belongs to the technical field of boiler equipment. The upper blocking plate is fixed on the lower portion of the heating surface, the lower blocking plate is fixed on a bottom protective plate, the lower plate face of the upper blocking plate and the upper plate face of the lower blocking plate are in lap joint below a heating surface connecting pipe, and the upper blocking plate is provided with a through hole for the heating surface connecting pipe to penetrate through. According to the utility model, the heating surface connecting pipe penetrates through the upper barrier plate, and when the upper barrier plate and the heating surface connecting pipe move up and down along with thermal expansion and cold contraction of the heating surface, the upper barrier plate and the heating surface connecting pipe can move up and down synchronously, so that the occurrence of deformation and damage of the smoke barrier plate caused by the action of the heating surface connecting pipe in the prior art is avoided; therefore, the novel smoke-proof window has a longer service life and a more stable smoke-proof effect.

A flame protection device for a burner (3), in particular in a drying drum (2), in particular in an asphalt plant, has a central longitudinal axis (7) and several lamellae (9, 31) which are arranged in a circumferential arrangement in the circumferential direction (10) with respect to the central longitudinal axis (7), wherein lamellae (9, 31) arranged adjacent in the circumferential direction (10) are sealed by means of a circumferential gap seal.

Method and a deep frying device for deep frying a food product in a deep frying device, wherein the deep frying device comprises a container for fat. For reducing the chances of damaging the deep frying device by the deep frying and increasing the availability, use is made of a deep frying device comprising a pipe section for hot flue gas which protrudes into the lumen of the container but is not connected to an opposite wall. The pipe section comprises - a plurality of supply pipes for the relatively hot flue gas, and - at least one outlet pipe for the relatively cold flue gas coming from the plurality of supply pipes.

A combustion system and method, particularly for use in power generation boilers, are provided. The combustion system 1 includes a burner (3, 3', 3") for supplying a mixture (8) of fuel and primary air or gas to a combustion chamber (6) via at least one fuel nozzle (4); a conduit (11, 47) in fluid communication with at least one fuel nozzle (4) for guiding the mixture (8) of fuel and primary air or gas to the at least one fuel nozzle (4); and a deflector device (21) positioned within the conduit (11, 47) upstream of the at least one fuel nozzle (4) to deflect the incoming mixture of fuel and primary air or gas. The flow (8) is deflected. The deflector device (21) includes an injection device (22) arranged to inject auxiliary gas (23) into the duct (11, 47) to deflect the incoming fuel and primary air or gas mixture (8) in a direction from the center of the duct (11, 47) to the outer region, thereby increasing the concentration of the fuel and primary air or gas mixture (8) in the outer region (17) of the fuel nozzle (4) and decreasing the concentration of the fuel and primary air or gas mixture (8) in the central section (16) of the fuel nozzle (4).

Title: Gas Boiler The invention relates to a gas boiler comprising a burner (13), a heat exchanger heated by the burner (13), and a coil (3) for circulating a fluid to be heated, the coil (3) being in thermal conduction with the heat exchanger, characterized in that the heat exchanger comprises: - a hollow tube (2) extending along a longitudinal direction (d) and at least a portion of whose outer wall (24) is surrounded by the coil (3), the internal volume of the tube (2) being configured to receive air heated by the burner (13) at a first end (21) and to circulate the heated air towards a second end (22), - a plurality of plates (62, 63, 64, 65) arranged successively in the tube (2) along the longitudinal direction (d), the plates (62, 63, 64, 65) being configured to slow the flow of heated air. Figure for the abstract: Fig. 2

The invention provides an efficient combustor and a low-load stable combustion boiler, and relates to the field of thermal power generation, the efficient combustor comprises a mounting cylinder, a connecting disc is fixedly arranged at the rear end of the interior of the mounting cylinder, a flow equalizing assembly is arranged in the mounting cylinder, a rotational flow assembly is arranged at the front end of the flow equalizing assembly, and a flow stabilizing assembly is arranged at the front end of the rotational flow assembly; a connecting assembly is arranged at the rear end of the connecting disc, a conveying assembly is arranged in the connecting assembly, an air supply assembly is arranged behind the connecting assembly, and a combustion-supporting assembly is arranged above the connecting assembly. By means of the flow equalizing assembly, resistance is reduced at high air pressure through the flow equalizing assembly, and energy consumption of the draught fan is reduced; the flow speed is increased at low wind pressure, so that airflow distribution and flow speed are uniform, flame drift caused by non-uniform flow speed at low load is avoided, airflow is ensured to enter a combustion area at the most ideal flow speed, and the combustion stability is improved.

The invention relates to a non-return valve (1) for a flow channel (14) through which a flow of air flows, comprising a housing (2) through which air flows in an outflow direction. The non-return valve has an outflow opening (8) which can be closed by a blocking flap (3) pivotally mounted on the housing (2). The blocking flap (3) has a dome-shaped bulge (19) with an inner region (20) which is curved forwards in the outflow direction. An opening edge (16) of the outflow opening (8) of the housing (2) has a hinge region (17) in which the blocking flap (3) is pivotally mounted on the housing (2) and which transitions into a blocking flap stop region (18) arranged opposite the hinge region in the circumferential direction, said blocking flap stop region being offset in the outflow direction so that the opening edge (16) has a progression which is not only curved in the circumferential direction but also in the outflow direction. The housing (2) has an indentation (26) in the circumferential direction, said indentation not being closed by the blocking flap (3) such that the indentation (26) forms a condensate chamber (27) when the housing (2) is inserted into the surrounding flow channel (14). The indentation (26) is equipped with a flow opening (28), through which a condensate accumulating in the condensate chamber (27) delimited by the indentation (26) can flow in the interior of the housing (2), thereby bypassing the blocking flap (3), in the vicinity of the opening edge (16) of the outflow opening (8).

A radiant tube includes a conduit; and one or more heat transfer promoters disposed in the conduit, wherein the heat transfer promoter includes a body part on a center side of the conduit, and protruding parts protruding from the body part toward an inner wall surface of the conduit, the protruding parts are on an outer periphery of the body part to be arranged in a circumferential direction of the conduit, the protruding parts includes first protruding parts having a distal end portion facing the inner wall surface across a gap ΔL, and a second protruding part, the number of first protruding parts is greater than the number of second protruding parts, and a ratio (ΔL / Dt) of the gap ΔL to an equivalent diameter Dt of a conduit portion is x %, where the heat transfer promoter is disposed, and formula (1) is satisfied: 0.3%<x<7%.

The utility model relates to a heat insulation structure of a water heater, a burner is arranged in the water heater, the burner comprises an outer shell, an inner shell and a plurality of fire grate sheets, the inner shell is fixed in the outer shell, a heat insulation area is formed between the outer side wall of the inner shell and the inner side wall of the outer shell, a first air inlet structure is arranged at the bottom of the outer shell, and a second air inlet structure is arranged at the bottom of the outer shell. A second air inlet structure is arranged on the side wall of the inner shell, the bottom of the inner shell is open, the opening corresponds to the first air inlet structure, and the second air inlet structure is communicated with the interior of the inner shell and the heat insulation area. The heat insulation area is arranged on the combustor, and air in the heat insulation area is used as a medium for blocking heat radiation, so that outward transfer of heat of the combustor can be effectively reduced; and through the first air inlet structure and the second air inlet structure, external air can be fed into the inner shell, and heat of the heat insulation area can be taken away in the air conveying process.

The utility model relates to the technical field of boiler equipment, in particular to a boiler with optimized rear arch structural strength. The flue gas main guide wall is arranged above the front end of the rear arch and is used for guiding flue gas to flow; the collecting box is located in the middle of the main smoke guiding wall, the upper half portion of the main smoke guiding wall falls on the collecting box, the lower half portion of the main smoke guiding wall is installed on the rear arch, and the two ends of the collecting box are fixed in the boiler through a support. The smoke main guiding wall is divided into two parts, and the header structure is introduced, so that the gravity borne by the rear arch is effectively dispersed, the strain of the front end part of the rear arch caused by continuous load is obviously reduced, the strength and durability of the whole rear arch structure are enhanced, the problem of poor structural strength is effectively solved, and the service life of the rear arch is prolonged. And the overall service life of the boiler is prolonged.

A flame protection device for a burner (3), in particular in a drying drum (2), in particular in an asphalt plant, comprises a central longitudinal axis (7) and several deflector plates (11) which are arranged in the circumferential direction (10) with respect to the central longitudinal axis (7), wherein at least one lamella holder (19) for holding a lamella (9) is detachably attached to each of the deflector plates (11).

The present invention provides a gas appliance, comprising a frame and a partition; the partition is disposed within the frame and includes a flow guide portion and a heat insulating portion. The flow guide portion and the frame define a first flow guide channel, and the flow guide portion is provided with a first air outlet, which communicates with the first flow guide channel and faces the heat insulating portion. The gas appliance provided by the present invention has a partition disposed on its inner side. The partition reduces heat transferred from the interior of the gas appliance to the gas appliance, thereby lowering the temperature of the gas appliance and reducing the impact of high temperatures generated by the burner on sheet metal components, such as the gas appliance, thereby extending the service life of sheet metal components, such as the gas appliance.