237results about How to "Small pressure drop" patented technology

The invention discloses a sulfur-manganese composite autotrophic denitrification filler as well as a preparation method and application thereof, and belongs to the technical field of environmental functional materials and polluted water treatment. The sulfur-manganese composite autotrophic denitrification filler contains manganese salt, a sulfur-based component and a cement-based component, the manganese salt comprises one or more of manganese carbonate, calcium manganese ore and rhodochrosite; the sulfur-based component comprises sulfur and sulfur manganese ore; the cement-based component comprises cement, fly ash pottery sand, silica fume, blast furnace slag and metakaolin; the cement comprises one or more of Portland cement, iron aluminate cement and sulphoaluminate cement. The nitrogen removal efficiency of the sulfur-manganese composite autotrophic denitrification filler is superior to that of a sulfur autotrophic denitrification system, the sulfate concentration and nitrite nitrogen accumulation in effluent are remarkably reduced, the service life of the filler is prolonged, and the efficient utilization rate of the material is improved.

The present invention discloses a filler washing tower and a washing method, the filler washing tower is used for washing treatment of VOCs waste gas, and the filler washing tower comprises: a washing liquid pipe which is arranged at the axis position of the washing tower in a penetrating manner, vertically extends and is used for receiving a washing liquid from the outside of the tower; the washing liquid pipe is provided with a rotatable pipe section at the corresponding position of the filler layer; the spraying pipe assembly is composed of a plurality of spraying pipes with different lengths and is communicated with the rotatable pipe section, and a spraying opening of each spraying pipe is formed in the tail end of the pipe; the spraying pipes are arranged at intervals in the circumferential direction of the rotatable pipe section and are tangent to the rotatable pipe section; the spraying pipes with different lengths drive the rotatable pipe section to rotate through counter-acting force when spraying out the washing liquid, and annular partition covering of the washing liquid on the packing layer is formed. Rotation of the spraying pipe is achieved through spraying of washing liquid, and through annular partition covering of spraying, water saving can be achieved while the gas-liquid mass transfer efficiency is guaranteed, and external power consumption is not needed.

The invention discloses a preparation method of a gas-liquid fluctuation resistant backflow electrolyzed water microchannel, and relates to the technical field of preparation of hydrogen by electrolyzed water, the preparation method comprises the following steps: S1, selecting a polar plate of an unprocessed flow channel, and designing and processing a Tesla valve array structure comprising a Tesla island; s2, selecting a processed polar plate, and processing a micro-column array at a position close to the side wall of the Tesla structure channel; s3, respectively coating the anode side and the cathode side of the proton exchange membrane with iridium oxide and platinum carbon to prepare a catalyst layer of the membrane electrode; s4, preparing a diffusion layer, and hot-pressing the proton exchange membrane loaded with the catalyst layer and the diffusion layer together to form a membrane electrode with catalytic activity; and S5, assembling the polar plate and the membrane electrode to form the proton exchange membrane water electrolysis device with the Tesla structure and the local wettability channel. According to the invention, the phenomenon of gas-liquid backflow of the electrolytic water flow channel under large current can be effectively inhibited, and the loss of active sites caused by blockage of the flow channel by the backflow electrolytic gas is avoided.

The invention discloses a vein-shaped composite bionic micro-channel radiator with petal-shaped fins, relates to the technical field of radiators, and solves the problems that the temperature uniformity of a radiating area of a micro-channel radiator is poor, and extra pumping work consumption is caused. A first-stage vein flow channel is arranged in the center of a micro-channel heat sink, and a hot plate is arranged at the bottom of the micro-channel heat sink; the micro-channel heat sink comprises two first heat sinks and two second heat sinks, and the second heat sinks and the first heat sinks are in mirror symmetry. A plurality of second-level vein runners, a plurality of third-level vein runners and a plurality of fin arrays are arranged in the first heat sink, and the second-level vein runners are obliquely arranged and communicate with the first-level vein runners; the plurality of third-stage vein runners are arranged among the second-stage vein runners at equal intervals; the fin array is arranged at the tail end in the second-stage vein flow channel; the fin array comprises two fins, and the fins are arc-shaped plates. The invention has the characteristics of high heat dissipation efficiency, good temperature uniformity, low flow resistance and small pressure drop, thereby ensuring efficient and stable operation of high-power micro devices.

The invention discloses a thin-layer high-density filler which is prepared by combining an optimized weaving method, weaving density and a bundling mode on the basis of a plain woven wire mesh filler. The novel weaving method enables the weft number of the thin-layer high-density filler to be larger than that of plain woven wire mesh filler under the condition of the same warp number, and the thin-layer high-density filler has the characteristics of high specific surface area, high mass transfer efficiency, low flow pressure drop and the like. A large number of micropores exist on the surface of the thin-layer high-density filler, the wettability is extremely good, the transverse diffusion effect of liquid in the filler can be greatly enhanced due to the fact that the weft density is large, the performance is particularly outstanding in the processes of large-spraying-density rectification and the like, and the pressure drop is about 30%-50% lower than that of a common plain woven filler. The filler provided by the invention mostly adopts stainless steel wires as raw materials, and has the advantages of low cost, large flux, stable performance and low metal exudation rate, so that the filler is difficult to replace in the field of heat pump rectification, high-purity electronic chemical separation, intermediate separation and isomerism separation production.

The invention discloses an alumina-loaded molecular alkane dehydrogenation catalyst and a preparation method and application thereof. The preparation method comprises the following steps: (1) carrying out modification treatment on alumina balls; and (2) adding the modified alumina balls into a dissolved solution of a molecular catalyst, stirring, reacting until the supernatant is colorless, filtering, and drying to obtain the alumina-loaded molecular alkane dehydrogenation catalyst. The catalyst provided by the invention is used in a process for preparing olefin through dehydrogenation of straight-chain alkane, the alkane conversion rate can reach 21% or above, the catalyst is high in catalytic efficiency, good in selectivity and easy to recover, and the activity of the recovered catalyst is still high.

The utility model discloses a liquid cooling plate, and relates to the technical field of liquid cooling, the liquid cooling plate comprises a plate-shaped body, a cooling flow channel structure is arranged in the plate-shaped body, and the cooling flow channel structure comprises a flow channel inlet, a flow channel outlet and at least one cooling flow channel communicated between the flow channel inlet and the flow channel outlet; the cooling flow channel comprises a heat exchange flow dividing section with at least one stage of flow dividing branch channel, a heat exchange concentration section with a plurality of heat exchange flow channels and a heat exchange flow gathering section with at least one stage of flow gathering branch channel, and the heat exchange flow dividing section, the heat exchange concentration section and the heat exchange flow gathering section are sequentially arranged in a communicating mode in the flowing direction of a cooling medium in the cooling flow channel. The at least one stage of shunting branch channel can uniformly distribute a cooling medium flowing into the cooling flow channel into the plurality of heat exchange flow channels, and the at least one stage of converging branch channel can converge the cooling medium in the plurality of heat exchange flow channels to flow out of the cooling flow channel. Thus, on the basis that the heat dissipation requirements of the front-end low-heat area and the rear-end low-heat area are met, efficient heat exchange of the high-heat area is achieved, and the heat dissipation effect, energy conservation and consumption reduction are both considered.

The invention belongs to the technical field of heat exchange of electronic equipment, and discloses a manifold micro-channel type radiator and a heat dissipation method.The manifold micro-channel type radiator comprises a plurality of radiator modules arranged in a linear array, and each radiator module comprises two symmetrically-arranged heat dissipation units; the heat dissipation unit comprises a manifold distributor and a micro-channel; a cold side manifold channel and a hot side manifold channel are processed on the manifold distributor; the cold side manifold channel is of a channel structure which is reduced in the flowing-in direction of a coolant, and the hot side manifold channel is a uniform-section channel; the width of the hot side manifold channel is greater than the width of the inlet end of the cold side manifold channel; the micro-channel comprises a micro-channel substrate and a micro-channel main body arranged on the micro-channel substrate; the micro-channel main body comprises a cold side micro-channel area and a hot side micro-channel area; the hot side micro-channel area comprises a plurality of hot side micro-channels which are arranged in parallel, and each hot side micro-channel is provided with a plurality of pin fins which are linearly distributed; the purpose of effectively utilizing the cooling potential of the hot side manifold channel is achieved.

An adsorption tower of the zero-gas-consumption single-tower adsorption type drying machine comprises an outer cylinder and an inner cylinder rotatably arranged in the outer cylinder, a core pipe is arranged in the inner cylinder, the inner cylinder is divided into a plurality of containing chambers through partition plates, the containing chambers are used for containing drying agents, the adjacent containing chambers with the preset number are regeneration areas with the central angle being alpha, and the other containing chambers are drying areas. An airflow pipe is placed in the core pipe, and a first pipeline partition plate and a second pipeline partition plate which are arranged in the airflow pipe in the central angle alpha side line direction divide the interior of the airflow pipe into a first pipe cavity and a second pipe cavity with the central angle alpha. And a first sealing strip and a second sealing strip which are arranged along the side line direction of the central angle alpha divide the second airflow chamber into a regenerated airflow output chamber and a dry airflow output chamber with the central angle alpha. The first airflow chamber is divided into a regeneration airflow input chamber and a to-be-dried airflow input chamber with the central angle alpha by a third sealing strip and a fourth sealing strip which are arranged along the side line direction of the central angle alpha, so that the gas of the adsorption tower flows along the radial direction, the pressure drop is low, and the use cost is reduced.

The invention relates to the technical field of heat exchangers, in particular to a shell-and-tube heat exchanger which comprises a shell, two end sockets at the two ends of the shell, two tube plates and a plurality of heat exchange tubes, a spring is arranged in each heat exchange tube, each spring is composed of a plurality of spring sections, and each spring section is large in outer diameter of the two ends and small in outer diameter of the middle. The two ends of the spring section abut against the inner wall of the heat exchange tube, and a gap is formed between the middle of the spring section and the inner wall of the heat exchange tube. According to the shell-and-tube heat exchanger, the purpose of improving the heat exchange efficiency is achieved through a simplified structure different from the prior art, high adaptability of the shell-and-tube heat exchanger to different working conditions is achieved through simple changes on the basis of an existing heat exchanger, high heat efficiency is achieved, and scaling is prevented.

The invention provides an efficient desulfurizer, which is used for removing H2S and / or organic sulfur in gas, and comprises an organic solvent and organic alcohol amine, optionally, the efficient desulfurizing agent further comprises at least one of an antioxidant, a corrosion inhibitor and a defoaming agent. The invention also provides desulfurization equipment and a method for removing H2S or organic sulfur in sulfur-containing process gas or sulfur-containing waste gas. The high-efficiency desulfurizing agent provided by the invention overcomes the defects of low sulfur load, high regeneration energy consumption, easiness in degradation, incapability of removing organic sulfur and the like of the traditional desulfurizing agent. The method is suitable for desulfurization and purification treatment of sulfur-containing gases such as high-acidity natural gas, refinery dry gas, liquefied gas and sulfur recovery tail gas.

The invention discloses a multifunctional safe flushing system for hemodialysis, and belongs to the technical field of blood purification. The system comprises an arterial blood extraction assembly, a venous blood transfusion assembly and a plasma purification treatment assembly, one end of the venous blood transfusion assembly is connected with one end of the arterial blood extraction assembly through a plasma separator, one end of the plasma purification treatment assembly is connected with the plasma separator, and the other end of the plasma purification treatment assembly is connected with the venous blood transfusion assembly. A multifunctional safe flushing mechanism is arranged at the position, close to the plasma separator, of the plasma purification treatment assembly. During flushing, due to the fact that the path from the multifunctional safe flushing mechanism to the adsorber in the plasma purification treatment assembly is short, the time needed for flushing is shortened, the effective treatment duration is guaranteed, the needed amount of saline water is reduced, the situation that the amount of human body fluid is excessively increased is avoided, and it is guaranteed that the saline water has the needed flushing pressure when flowing to the adsorber; and the washing effect on the adsorber is ensured.

The invention belongs to the technical field of organic photoelectric materials and devices, and discloses an organic electroluminescent device, a preparation method thereof and a display device. The device sequentially comprises an anode layer, a hole transport layer, a light-emitting layer, a second electron transport layer, a first electron transport layer and a cathode layer, wherein the first electron transport layer is composed of an n-type dopant and a first electron transport material. According to the adopted electron transmission structure, small electron injection barriers are arranged between the second electron transmission layer and the first electron transmission layer and between the second electron transmission layer and the main body material, and the organic light-emitting device prepared through the electron transmission structure achieves good voltage stability in the aging process; therefore, the problem of power consumption increase of the organic light-emitting device in the aging process is solved. And a relatively small electron injection barrier can reduce the driving voltage of the device, so that the organic light-emitting device with low driving voltage, long service life and stable voltage is obtained.

The gas-liquid separator comprises a shell, a flow separation cylinder and a partition plate, and a feeding pipe, an exhaust pipe and a liquid drainage pipe are arranged on the shell; the flow separation barrel is arranged in the shell and is provided with a feeding section, a first separation section, a second separation section and a discharging section which are sequentially arranged in the axial direction, and the feeding section is communicated between the feeding pipe and the first separation section; the first separation section comprises a plurality of spiral arm channels which are distributed at intervals in the circumferential direction and communicate with the shell, the multiple spiral arm channels communicate with the flow separation barrel in the tangential direction, and the second separation section comprises a plurality of flow guide channels which are distributed at intervals in the circumferential direction, extend in the axial direction and communicate with the shell and the first separation section; and the plurality of flow guide channels are tangentially communicated with the flow separation cylinder. According to the gas-liquid separator, the feeding pipe and the flow separation barrel with multiple separation functions are sequentially combined, the gas-liquid separator has the advantages of being light and simple in equipment structure, wide in medium material separation applicability and capable of stably running for a long time, and the problems of blow-by and backmixing of a discharging opening and the like can be effectively solved.

A modular immersed liquid-cooled energy storage battery thermal management system with an inverse opal structure surface relates to the field of energy storage battery thermal management, and is characterized in that a cooling liquid supply system feeds a cooling liquid into an immersion bin through a liquid inlet of the immersion bin at the foremost end, and the cooling liquid flows through a heat dissipation structure on the outer side of a battery monomer for heat exchange; and the cooling liquid after heat exchange flows into the next immersion bin through the liquid outlet of the immersion bin, sequentially passes through the immersion bins to exchange heat with the battery monomers, and then flows out from the liquid outlet of the immersion bin at the rearmost end. The heat dissipation structure can increase the heat exchange area with the cooling liquid and improve the heat exchange efficiency of the battery monomers.

A connector, comprising: a connector body (10); a socket body (38), the socket body being configured to slide axially relative to the connector body (10); a piston (84), the piston being configured to slide axially relative to the socket body (38) and the connector body (10); a poppet valve (102), the poppet valve comprising a first end and a second end, the first end of the poppet valve (102) being coaxially positioned within the first end of the piston (84) and abutting against the first end, the poppet valve being configured to slide axially relative to the piston (84); and a poppet valve pin (104) comprising a first end and a second end, the poppet valve pin (104) being coaxially positioned within the poppet valve (102), the poppet valve pin (104) being configured to slide axially relative to the poppet valve (102).

The present invention relates to a droplet-shaped fuel cell flow field structure, in which the flow field structure region is composed of a plurality of rows or columns of droplet-shaped flow field units alternately connected. Each droplet-shaped flow field unit includes a droplet-shaped support structure and flow channel structures on both sides of the support structure. The droplet-shaped flow field units are connected head to tail through a direct flow channel. The droplet-shaped fuel cell flow field structure of the present invention can increase the turbulence of the gas in the flow channel, has the advantages of good mass transfer effect and low pressure drop, and can significantly improve the performance of the fuel cell. At the same time, the droplet-shaped fuel cell flow field structure of the present invention is simple and easy to process, which is conducive to the large-scale production and application of fuel cells.

The utility model provides a silicon carbide VDMOS (Vertical Double-diffused Metal Oxide Semiconductor) capable of reducing the voltage drop of a body diode, which comprises a silicon carbide substrate and a drift layer, wherein the lower side surface of the drift layer is connected to the upper side surface of the silicon carbide substrate; a first well region and a second well region are arranged in the drift layer, and source regions are arranged in the first well region and the second well region; the lower side surface of the ohmic contact layer is connected to the upper side surface of the drift layer; the source electrode metal layer is respectively connected with the source region and the ohmic contact layer; the lower side surface of the insulating dielectric layer is respectively connected with the upper side surface of the first well region, the upper side surface of the second well region and the upper side surface of the source region, and a groove is formed in the insulating dielectric layer; a gate metal layer, wherein the gate metal layer is arranged in the groove; and the drain electrode metal layer is connected to the lower side surface of the silicon carbide substrate, so that the voltage drop from the source electrode to the drain electrode when the device is not conducted is reduced, the follow current loss is reduced, and the efficiency is improved.

The invention discloses a fuel assembly grillwork and a nuclear fuel assembly. A lower guide sliding rail structure in the fuel assembly grillwork is arranged at the bottom end of a grillwork body, and an upper guide wing is arranged at the top end of the grillwork body; the lower guide slide rail structure comprises a plurality of transverse strips and a plurality of longitudinal strips which are respectively arranged in parallel, and divides the bottom of the grillwork body into a plurality of grids; the two ends of each transverse strip in the multiple transverse strips and the two ends of each longitudinal strip in the multiple longitudinal strips are obliquely provided with guide sliding rails. According to the grillwork structure, the hooking risk can be reduced, and the lower guide sliding rail structure cannot be inserted into the upper guide wing in the lower grillwork when the grillwork structure is in contact with the lower grillwork, so that the situation that an outer strip of the grillwork falls off due to hooking of adjacent fuel assemblies is avoided; the pressure drop of the whole grillwork is reduced, and fluid exchange between the interior of the grillwork and the edge of the grillwork is strengthened; meanwhile, the grillwork has low pressure drop, and a lower guide wing structure is omitted.

The invention relates to the field of molecular sieve catalysts, and discloses a preparation method of a 3D printing molecular sieve catalyst, the prepared 3D printing molecular sieve catalyst and application of the 3D printing molecular sieve catalyst. The molecular sieve with good dispersity and high catalytic activity can be obtained on the aluminosilicate ceramic carrier, the preparation process is simple, a complex three-dimensional structure can be formed without depending on a mold, the prepared molecular sieve catalyst is high in structural precision, the molecular sieve content in the catalyst is high, metal in the catalyst is loaded on the molecular sieve, and the molecular sieve is exposed on the outer surface of the catalyst. The metal sites and the molecular sieve acidic active sites have high accessibility, and the catalytic activity is high.

The utility model provides three-phase separation equipment for oil field produced liquid treatment, which comprises a horizontally arranged tank body, a gas-liquid separation area, an oil-water separation area, a water chamber and an oil chamber are sequentially arranged in the tank body along the length direction, the gas-liquid separation area and the oil-water separation area are separated by a rectifying filler, and an oil separation weir plate is arranged between the oil-water separation area and the water chamber. The bottom of the oil separation weir plate is hollowed out, the oil-water separation weir plate is arranged between the water chamber and the oil chamber, the oil separation weir plate is higher than the oil-water separation weir plate, a horizontal section is arranged at the top end of the oil separation weir plate and crosses the oil-water separation weir plate, a gas phase outlet is formed in the top of the oil chamber, and demisting filler is arranged at the gas phase outlet in the tank body. The oil-water separation filler is arranged in the oil-water separation area, and the three-phase mixed liquid inlet is formed in the top of the gas-liquid separation area. The cyclone separator, the rectifying filler and the demisting filler are arranged, so that the liquid content of exhausted gas is low. The oil-water separation filler, the oil separation weir plate and the oil-water separation weir plate are arranged, so that the water content of discharged oil is low.

The utility model relates to the field of adsorption separation devices, in particular to an adsorption tower which is characterized in that a plurality of layers of grids are arranged in the adsorption tower; a feeding / desorption agent bus, a feeding / desorption agent distribution pipe, an extract / raffinate bus and an extract / raffinate distribution pipe are respectively and independently arranged on the grids from the first layer to the last but one layer; one end of the feeding / desorption agent distribution pipe is connected with the grid, and the other end of the feeding / desorption agent distribution pipe is connected with the feeding / desorption agent bus; one end of the extract / raffinate distribution pipe is connected with the grating, and the other end of the extract / raffinate distribution pipe is connected with the extract / raffinate bus; and an associated bypass is arranged between the extract / raffinate bus of the grids from the second layer to the last but one layer and the feed / desorption agent bus of the grid on the upper layer. According to the utility model, the feeding / desorption agent pipeline of the adsorption tower, especially the feeding / desorption agent distribution pipe, can be backwashed, and the pressure drop of the corresponding grating is effectively reduced.

The invention provides a display panel, a manufacturing method thereof and a display device, and belongs to the technical field of display. A display panel includes: a substrate; the anode wires are located on the substrate and extend in the first direction; the insulating layer is positioned on one side, far away from the substrate, of the anode wire and comprises a via hole for exposing the anode wire; the auxiliary cathodes and the anodes are located on the side, away from the substrate, of the insulating layer, the auxiliary cathodes extend in the second direction, the second direction intersects with the first direction, the orthographic projection of the anodes on the substrate and the orthographic projection of the auxiliary cathodes on the substrate are not overlapped, and the anodes are connected with the anode wires through via holes; the pixel defining layer is positioned on one side, far away from the substrate, of the anode and comprises a first opening for defining a pixel region; an organic light-emitting layer located in the pixel region; and the cathode is positioned on one side, far away from the substrate, of the organic light-emitting layer and is electrically connected with the auxiliary cathode. According to the invention, large-size display can be realized.

The invention discloses a high-efficiency chemical deodorization device and method, comprising: an absorption liquid storage tank, an air inlet of the absorption liquid storage tank is connected to a reaction tube, an air outlet of the absorption liquid storage tank is connected to a demister, a liquid spraying pipe, the lower end of the liquid spraying pipe is connected to the reaction tube, the upper end of the liquid spraying pipe is connected to an external fan, a circulation mechanism, the extraction end of the circulation mechanism is connected to the liquid outlet of the absorption liquid storage tank, and the discharge end of the circulation mechanism is connected to the liquid spraying pipe. The high-efficiency chemical deodorization device adopts gas-liquid co-current chemical technology, the device has a large processing capacity, a small pressure drop, and no liquid flooding phenomenon occurs, and can significantly reduce the tower diameter and tower height, thereby reducing the investment cost of the device.

The application belongs to the technical field of carbonyl sulfur hydrolysis catalysts, and discloses a high-efficiency sulfur-resistant catalyst for carbonyl sulfur hydrolysis, a preparation method and application thereof.The preparation method comprises the following steps: (1) preparing a porous ceramic carrier containing alumina, titanium dioxide and zirconium dioxide; (2) in-situ growing a metal organic framework material containing lanthanum, bismuth and cerium on the surface of the porous ceramic carrier by using a solvothermal method; (3) performing a calcination treatment on the porous ceramic carrier loaded with the metal organic framework material in an oxygen-containing atmosphere to obtain a catalyst precursor; and (4) performing a reducing gas plasma bombardment treatment on the catalyst precursor to obtain the high-efficiency sulfur-resistant catalyst.The high-efficiency sulfur-resistant catalyst has high-efficiency low-temperature activity, excellent sulfur resistance and long service life.

The invention discloses a forming method of a magnesium oxide-based carbon dioxide adsorbent suitable for large-scale preparation. The forming method comprises the following steps: calcining a magnesium-containing precursor to prepare porous magnesium oxide raw powder; the preparation method comprises the following steps: carrying out impregnation modification on magnesium oxide raw powder and an alkali metal salt solution to obtain wet mixed thick slurry, drying the slurry, and carrying out secondary calcination to obtain modified adsorbent raw powder; and mixing the raw powder with deionized water, a forming aid and the like to prepare a plastic wet material, and performing extrusion-spheronization balling, drying and calcining to obtain regular spherical adsorbent particles. The formed adsorbent prepared through the method has the advantages of being controllable in particle size, high in mechanical strength, good in adsorptive property after being formed, excellent in cycling stability and the like, can be used for CO2 chemical adsorption trapping of CO2-containing gas under the medium-temperature condition, and is good in CO2 adsorptive property, economical efficiency of the technological method and environmental protection performance, the process technology is easy to amplify, and the method is suitable for industrial production. The method is suitable for industrial large-scale production.

The invention relates to a low-energy-consumption method for transferring a volatile solute in a solvent. The method is used for transferring the volatile solute in a high-concentration process material into low-concentration absorption liquid. High-concentration process materials enter the precipitation tower and are subjected to countercurrent stripping by low-concentration recycle gas from the absorption tower, volatile solutes in the high-concentration process materials enter the recycle gas to obtain low-concentration process materials and high-concentration recycle gas, and the stripped high-concentration recycle gas enters the absorption tower through a booster fan and is subjected to countercurrent absorption by low-concentration absorption liquid to obtain high-concentration process materials and high-concentration recycle gas. Volatile solutes in the high-concentration circulating gas are transferred into the absorption liquid, so that high-concentration absorption liquid and low-concentration circulating gas are obtained; the low-concentration circulating gas is circulated back to the precipitation tower to perform steam stripping on the high-concentration process material again; in the process, under the condition that the two towers do not consume heat, the transfer process of the volatile solute is completed by utilizing the replacement effect of water and the volatile solute. Compared with an existing steam stripping evaporation condensation technology, the energy consumption cost can be reduced.

The application relates to a partition-injection air-bleed circulation combustion chamber and a liquid rocket engine, wherein the partition-injection air-bleed circulation combustion chamber comprises a combustion chamber body and a partition-injection injector; the combustion chamber body is provided with an oxygen inlet collector, a fuel inlet collector and an air-bleed collector; the partition-injection injector is installed on the upper end of the combustion chamber body and is provided with injection holes; the oxygen inlet collector and the fuel inlet collector are communicated with the partition-injection injector and inject oxidants and fuels into the combustion chamber body through the partition-injection injector; the air-bleed collector is installed on the outer side of the middle part of the combustion chamber body and is communicated with the combustion chamber body; the partition-injection injector is disc-shaped and is divided into an equivalence zone, an oxygen-rich zone and a fuel-rich zone from the center to the outside; a partition ring is fixed to the lower surface of the partition-injection injector; the partition ring is in the form of a ring cylinder structure; the partition ring is located between the oxygen-rich zone and the fuel-rich zone and is used for separating the oxygen-rich zone and the fuel-rich zone.

The invention provides a manifold micro-channel evaporator and a gravity type separated heat pipe system thereof. The manifold micro-channel evaporator comprises a manifold micro-channel evaporator body serving as an evaporation end, a flow guide piece type radiator serving as a condensation end, a steam ascending pipe, a condensate backflow pipe and a working medium, wherein the steam ascending pipe and the condensate backflow pipe are connected with the evaporation end and the condensation end, and the gravity type separated heat pipe system is filled with the working medium. The manifold micro-channel evaporator comprises a third layer, a second layer, a first layer and a fourth layer, the second layer comprises a plurality of inlet through holes and outlet through holes which vertically penetrate through the second layer, and the inlet through holes and the outlet through holes communicate with an inlet manifold and an outlet manifold correspondingly; a micro-channel is arranged at the upper part of the third layer; a shell is arranged at the upper part of the flow deflector; and a refrigerant outlet hole is formed in the shell. According to the design of the manifold micro-channels, the flowing path of fluid in the micro-channels is shortened, the overall pressure drop of the system is reduced, the advantages of impact jet flow are also achieved, and heat exchange is further enhanced by intensifying disturbance of the fluid.

This invention discloses a catalytic reactive distillation unit, apparatus, and method. The catalytic reactive distillation unit includes: a reaction mass transfer channel, the upper end of which receives low-temperature liquid-phase reactants flowing downwards, and the lower end of which receives high-temperature gas phase flowing upwards; the reaction mass transfer channel contains a catalyst layer and a packing layer, with the catalyst layer positioned above the packing layer, and a first space between them; and a rising gas bypass, located outside the reaction mass transfer channel and connected to the first space. The liquid-phase products after the catalytic reaction merge with the high-temperature gas phase in the packing layer and undergo gas-liquid mass transfer. The rising gas phase after mass transfer carries the light components from the liquid-phase products into the rising gas bypass, completing mass transfer separation. This invention, through the setting of the rising gas bypass, not only increases the gas phase flow rate and effectively reduces the pressure drop within the reaction mass transfer channel, but also effectively solves the space occupation problem of the equipment. This invention can clean the blockage of the catalyst filter without additional power and can realize online replacement of the catalyst and / or packing.