37results about How to "Reasonable air distribution" patented technology

The invention discloses a novel high-efficiency vaporizing combustion compound furnace grate device with a slag disintegrating function. The traditional incinerator has the disadvantages of lower heat efficiency and high repairing and maintenance cost of a furnace grate due to poor fuel mixture and insufficient combustion. The novel high-efficiency vaporizing combustion compound furnace grate device with the slag disintegrating function adopts a two-section compound structure, wherein on the front section of a reciprocating type furnace grate, wastes are dried, vaporized and partially burned; and the unburned parts fall on a back-end rotary furnace grate device to be extruded, crushed and fully mixed to be burned completely. The reciprocating type furnace grate adopts a multi-air-port segmental air distribution way for reasonable air distribution; the heat radiation on the furnace grate is increased due to a long back arch, thereby facilitating the firing of wastes with low heat values. The novel high-efficiency vaporizing combustion compound furnace grate device with the slag disintegrating function is adopted to effectively improve the disadvantages of poor mixing effect and low burn-off rate of the traditional furnace grate incineration device, and meanwhile, the area of a furnace grate bar with high temperature resistance can be reduced, and the investment is reduced.

The invention relates to a low steady-speed radial flow clean room air-conditioning air supply and return system which comprises a radial flow air supply channel device, a wall-mounted air return channel device, an air-conditioning outlet static pressure box, an air-conditioning air return port static pressure box and an air-conditioning fresh air port filtering device, the radial flow air supply channel device comprises a clean room roof, a static pressure box type air supply channel, a pressure equalizing partition plate, an arc-shaped radial flow cover, a damping layer and a high efficiency filter bank, and the wall-mounted air return channel device comprises a sandwich wall type air return duct and a filtering device mounted at an air return port of the lower end of the sandwich wall type air return duct. The air supply and return system has the advantages that the operation resistance of the air supply and return system is reduced, the diffusion speed of harmful suspended particles in a clean room is the lowest, fewer high efficiency filter banks are used, the clean room is low in construction investment, energy-saving in operation and convenient to maintain, the air cleanliness class of the clean room is improved by more than 30% as compared with that of a mixed airflow clean room, clean time can be shortened by more than 40%, and airflow in the clean room is reasonably distributed.

The invention relates to an efficient mobile bed gasifier device with a pre-dechlorinating function and a dechlorinating method of the efficient mobile bed gasifier device. In a rotary kiln, waste is subjected to drying and pyrolysis and most chlorine of the waste is removed under hot flue gas, after being dechlorinated by using a semi-dry method, separated volatiles and inflammable gas are used as raw material gases to be sent to a turbulent burner for use, the dechlorinated waste is gasified and partially burnt, and the unburnt part of the waste falls on a secondary-level rotary grate device at the rear end, is extruded and crushed and is burnt up after being fully mixed. The erosion to subsequent equipment and the generation of pollutants are greatly reduced, a first-level reciprocation grate adopts a multi-wind port subsection wind distribution mode and achieves the reasonable wind distribution effect, the radiation heat on the grate is increased by a long rear arch, the burning of the waste with low heat value is facilitated, the equipment erosion and environment pollution problems are greatly reduced, the deficiencies of poor mixing and low burn-off rate of the traditional grate incinerator are effectively improved, the area of a high-temperature-resistent grate sheet is reduced, and the investment is reduced.

The invention relates to a front-located cation bed cation regenerating column, belonging to the technical field of reclaim equipment for precision processing of power plant condensation water. The front-located cation bed cation regenerating column comprises a housing, wherein two ends of the housing are enclosed by adopting an ellipse head curved surface form; the upper end of the housing is provided with an air inlet-outlet, an order washing water inlet and a manhole; the upper part of the housing is provided with a resin expansion space; the lower part in the housing is a resin layer; the bottom of the housing is provided with a bottom distribution device above which the resin layer is arranged; a distribution and collection device is arranged above the resin layer; the resin expansion space is arranged above the distribution and collection device; the housing of the resin expansion space is provided with a resin inlet; the lower end of the housing is provided with a resin outlet pipe and a back washing outlet; the resin outlet pipe is arranged in center of a lower ellipse head curved surface axis; and the back washing outlet is connected with the bottom distribution device.

The invention discloses an organic biomass heat carrier furnace, comprising a furnace body, a front furnace feeding system connected with a feeding inlet of the furnace body, a hearth air distribution system in the furnace body, a heat exchange system above a hearth and a slag tapping system at the back of the hearth, wherein the hearth air distribution system comprises a primary air device at the bottom of a fire grate in the furnace body, a secondary air device in front of the furnace body and tertiary air devices at the two sides of the hearth. The furnace is reasonable in air distributionand sufficient in diffused air supply and avoids the defect that the discharged smoke is black and even strong yellow because of improper air supply and unburned organic volatiles.

The invention relates to a radial flow equalization pressure swing adsorption tower, which comprises an outer shell, a sealing cover, a flow guiding cylinder, wind distribution cylinders and a ventingpipe, wherein a venting port is arranged on the bottom portion of the outer shell, the venting pipe is inserted in the center of the sealing cover, and extends into the outer shell, the flow guidingcylinder is concentrically arranged in the outer shell, support blocks are arranged in front of the bottom plates of the flow guiding cylinder and the outer shell, the support blocks and the flow guiding cylinder are positioned by positioning pins and positioning holes, the wind distribution cylinders are concentrically arranged inside the flow guiding cylinder, and are fixedly arranged between the sealing cover and the bottom plate of the flow guiding cylinder through positioning snapping blocks, the surface of the wind distribution cylinder is uniformly provided with gas-permeable holes, a plurality of the wind distribution cylinders are arranged and have different diameters, the plurality of the wind distribution cylinders are arranged concentrically, the circumferential gaps between the wind distribution cylinders are respectively arranged as adsorption chambers and gas chambers, the adsorption chambers and the gas chambers are alternately distributed in the radial direction, and the adsorption chamber is filled with an adsorbent. According to the present invention, at the adsorption phase and the backflush stage, the flow field inside the adsorption tower is uniformly distributed, the gas flow distribution is reasonable during the gas producing, and the purging is clean and complete during the backflushing, such that the gas production efficiency and the gas production quality can be effectively improved.

The invention provides a device for keeping fruits and vegetables fresh by using differential-pressure controlled-atmosphere pre-cooling plates. The device is used for keeping fruits and vegetables fresh. The device comprises: a differential-pressure controlled-atmosphere pre-cooling plate assembly which comprises two differential-pressure controlled-atmosphere pre-cooling plates, and multi-groupalternately-arranged differential-pressure controlled-atmosphere air supply plates and differential-pressure controlled-atmosphere pre-cooling air return plates which are fixed below the two differential-pressure controlled-atmosphere pre-cooling plates; a pipeline assembly which is used for connecting the two differential-pressure controlled-atmosphere pre-cooling plates and comprises an air return pipeline and an air supply pipeline; and a differential-pressure controlled-atmosphere pre-cooling unit which is simultaneously connected to the air return pipeline and the air supply pipeline, isused for receiving heat transmitted by the air return pipeline, and performs heat exchange through air cooling and radiation so as to dissipate the heat, wherein both the differential-pressure controlled-atmosphere pre-cooling air supply plates and the differential-pressure controlled-atmosphere pre-cooling air return plates are provided with internal air passages, the differential-pressure controlled-atmosphere pre-cooling air supply plates are provided with air supply ports, and the differential-pressure controlled-atmosphere pre-cooling air return plates are provided with air return ports.

The invention relates to a rotary push-pull chain grate air-delivering air-controlling device, in which the air-delivering device has five plenums. A blast-regulating plate is arranged in the air passage on both sides of the plenum and a rotary push-pull damper air-regulating assembly is disposed at the air inlet of each plenum. The fuel and the air are mixed well via the air-regulating device to make the fuel burn up.

The invention relates to the technical field of boilers, in particular to a circulating fluidized bed boiler, which comprises a boiler, wherein the boiler is provided with a primary air inlet and a secondary air inlet, both the primary air inlet and the secondary air inlet are provided with a humidifying and oxygen supplying device, the humidifying and oxygen supplying device comprises a peroxide passage and a steam passage which are communicated with the air inlet. The invention can provide rich-oxygen water steam in the boiler environment to build the necessary conditions for generating rich-oxygen water gas, the tasks of humidification, oxygen supply and the like in site are continuously and stably completed in real time, the rich-oxygen hot water steam environment is created for the combustion of the circulating fluidized boiler, the superior integral conditions of the water-coal-slurry combustion, rich-oxygen combustion and water gas combustion not possessed by the circulating fluidized bed boiler are created, so the heat efficiency of the boiler is improved above the value, and the environment protection effect is obvious.

The invention discloses a novel high-efficiency vaporizing combustion compound furnace grate device with a slag disintegrating function. The traditional incinerator has the disadvantages of lower heat efficiency and high repairing and maintenance cost of a furnace grate due to poor fuel mixture and insufficient combustion. The novel high-efficiency vaporizing combustion compound furnace grate device with the slag disintegrating function adopts a two-section compound structure, wherein on the front section of a reciprocating type furnace grate, wastes are dried, vaporized and partially burned; and the unburned parts fall on a back-end rotary furnace grate device to be extruded, crushed and fully mixed to be burned completely. The reciprocating type furnace grate adopts a multi-air-port segmental air distribution way for reasonable air distribution; the heat radiation on the furnace grate is increased due to a long back arch, thereby facilitating the firing of wastes with low heat values. The novel high-efficiency vaporizing combustion compound furnace grate device with the slag disintegrating function is adopted to effectively improve the disadvantages of poor mixing effect and low burn-off rate of the traditional furnace grate incineration device, and meanwhile, the area of a furnace grate bar with high temperature resistance can be reduced, and the investment is reduced.

The invention discloses an injector gas fume preheating efficient combustor, mainly comprising an upper wall (5) and an air preheating channel and a bottom bucket (6) respectively fixed at the upper end and lower end of the upper wall; the combustor is characterized in that the bottom bucket (6) is internally provided with a fuel gas preheating pipeline (7), the lower end of a hybrid tube (2) is connected with a pipe clamp reducing nipple (3) in the bottom bucket (6) through the air preheating channel and the upper wall (5); the inlet and outlet of the fuel gas preheating pipeline (7) are connected with the hybrid tube (2), meanwhile, the wall of the bottom bucket (6) is further provided with a gas fume inlet (11) connected with the pipe clamp reducing nipple (3).The invention can effectively reuse the high temperature gas fume in a flame path, can not only fully preheat fuel gas which enters the flame path to raise temperature thereof rapidly but also have very good thermal vibrationtransmission effect.

The present invention provides a blast furnace screw material distribution correcting method. According to the method, an inverse carrying material distribution performing mark button is arranged in a screw material distribution list image; a material distribution correcting process is additionally set in a blast furnace top material distribution process; a screw material distribution performing ring position Xj corresponding to the final material distribution ring position X1 is set in advance; during an ore material distribution process, the material distribution sluice tilting angle of the X1 is performed according to the Xj tilting angle; during the material distribution process, when the weight displayed by a weighing cabinet produces the large change, the material distribution collecting process is manually started, and the material distribution sluice automatically tilts upward according to the retrieved tilting angle of the screw material distribution performing ring position Xj; and after the batch material distribution is completed, the tilting angle of the screw material distribution recovers to perform the originally-set furnace top material distribution process. With the method of the present invention, the condition that the material at the final ring position is centralized and distributed at the center position in the furnace can be avoided, such that the center gas flow in the blast furnace is active, the distribution of the gas flow in the furnace is rational, the furnace condition is improved, and the smooth blast furnace smelting production can be ensured.

The invention relates to a front-located cation bed cation regenerating column, belonging to the technical field of reclaim equipment for precision processing of power plant condensation water. The front-located cation bed cation regenerating column comprises a housing, wherein two ends of the housing are enclosed by adopting an ellipse head curved surface form; the upper end of the housing is provided with an air inlet-outlet, an order washing water inlet and a manhole; the upper part of the housing is provided with a resin expansion space; the lower part in the housing is a resin layer; thebottom of the housing is provided with a bottom distribution device above which the resin layer is arranged; a distribution and collection device is arranged above the resin layer; the resin expansion space is arranged above the distribution and collection device; the housing of the resin expansion space is provided with a resin inlet; the lower end of the housing is provided with a resin outlet pipe and a back washing outlet; the resin outlet pipe is arranged in center of a lower ellipse head curved surface axis; and the back washing outlet is connected with the bottom distribution device.

The invention provides a grid plate beam uniform air supply structure which comprises a grid plate beam, side grid plates and a middle grid plate, wherein the side grid plates are mounted on the two sides of the grid plate beam, the middle grid plate is arranged between the side grid plates, the structure further comprises a main air supply pipe, a plurality of air supply branch pipes are arranged on the main air supply pipe from left to right sequentially, and the air outlet ends of the air supply branch pipes are communicated with the inside of the grid plate beam. According to the grid plate beam uniform air supply structure, uniform air supply cooling of all the materials on the grid plate can be ensured, the air distribution can be more reasonable, and more energy is saved.

The invention discloses an injector type smoke preheating burner with high efficiency, mainly comprising an upper plate (3), a bottom barrel (6) fixed with the upper plate (3) into a whole and provided with a chamber inside, a spray pipe (7) connected with the bottom barrel (6), and a gas inlet pipe (1), wherein the gas outlet end of the gas inlet pipe (1) is positioned in the bottom barrel (6) through the upper plate (3). The injector type smoke preheating burner is characterized in that a gas preheating channel (4) is arranged in the bottom barrel (6), wherein one end of the gas preheating channel (4) is connected with the gas inlet pipe (1), and the other end of the gas preheating channel (4) is connected with a mixture connection pipe (5) positioned in the bottom barrel (6); the gas outlet end of an air inlet pipe (2) arranged on the upper plate (3) is communicated with the chamber in the bottom barrel (6), and emery with good heat storage effect is filled in the chamber to preheat the air; and a smoke inlet pipe (9) connected with the mixture connection pipe (5) is arranged at the bottom of the bottom barrel (6). In the invention, the high-temperature smoke generated in a fire channel can be effectively and repeatedly utilized, gas entering the fire channel can be sufficiently preheated to increase the temperature of the gas quickly, and very good heat vibration conduction effect is achieved.

The invention relates to a biomass combustion boiler, in particular to an underfeed type biomass combustion boiler to solve the problems that in the prior art, air distribution is not reasonable, reverse combustion is likely to happen, combustion is not sufficient, and the heat efficiency is low. A feeding cylinder is arranged in a hearth. The lower end of the feeding cylinder communicates with the interior of a spiral feeder. A primary air distribution pipe communicates with the feeding cylinder. A secondary air distribution pipe is located above the primary air distribution pipe and communicates with the hearth. A flue is arranged at the upper end of the hearth. A smoke outlet pipe is arranged at the outlet end of the flue. A chimney is arranged on the smoke outlet pipe. A settling chamber is arranged below the smoke outlet pipe and communicates with the smoke outlet pipe through a pipeline. An inflaming retarding plate is inserted in the side wall of the hearth, and one end, located outside the hearth, of the inflaming retarding plate is connected with an electric push rod. When the electric push rod is elongated, an upper port of the feeding cylinder is covered with the inflaming retarding plate, and when the electric push rod is shortened, the inflaming retarding plate disengages from the upper port of the feeding cylinder, and the chimney is provided with an induced draught fan. The biomass combustion boiler is used for combusting biomass fuel.