65results about How to "Reduce heat load" patented technology

The invention belongs to the technical field of engines, and discloses a rotary detonation combustion chamber which comprises a combustion chamber body, the combustion chamber body comprises a combustion chamber shell composed of an inner sleeve structure and an outer sleeve structure, a fluid channel is formed in the combustion chamber shell, and the inlet end of the fluid channel is a combustion chamber air inlet; the fluid channel comprises a combustion chamber throat section, a first expansion section, a U-shaped groove section, a second expansion section and a combustion chamber downstream straight section which are sequentially arranged. One end of the combustion chamber throat section communicates with the combustion chamber air inlet. And the U-shaped groove section comprises a U-shaped groove fillet section and a U-shaped groove straightway section which are arranged in sequence. The whole U-shaped groove fillet section is of a topological fluid diode structure, and one end, close to the first expansion section, of the topological fluid diode structure is of an arc-shaped structure. The topological fluid diode structure provides a new view angle and a new solution for optimization of the combustion chamber, and design and development of the more efficient and more stable combustion chamber are promoted.

This application discloses a control method for a vehicle air conditioning system, including acquiring the current number of passengers in the target vehicle, external ambient humidity information, in-vehicle temperature information, and air conditioning system operating parameter information; analyzing the dehumidification capacity of the air conditioning system based on the external ambient humidity information and in-vehicle temperature information to obtain first dehumidification data; analyzing the fresh air volume demand based on the first dehumidification data and the current number of passengers to obtain air volume demand data; analyzing the air conditioning system control parameters based on the air volume demand data, the first dehumidification data, the current number of passengers, and the air conditioning system operating parameter information to obtain target control parameters for the air conditioning system; and controlling the operation of the air conditioning system of the target vehicle based on the target control parameters. The vehicle air conditioning system control method of this application can reduce the overall vehicle heating load without causing fogging in the target vehicle, thereby achieving energy-saving, fog-free heating in the target vehicle.

The utility model discloses a silent variable frequency generator set engine wind scooper air inducing structure which comprises a wind scooper, a wind scooper air inlet is formed in the wind scooper, and the outer edge of the wind scooper and the wind scooper air inlet form a main air channel in the circumferential direction. A first air duct, a second air duct and a third air duct which are communicated with the main air duct are arranged at the air outlet position of the main air duct. The single-impeller multi-air-duct heat dissipation device has the advantages that on the basis that the structure is simplified and the cost is reduced, single-impeller multi-air-duct heat dissipation is achieved, cooling air is divided and guided, heat dissipation is conducted on different positions of an engine, the heat dissipation effect of the engine is improved, the heat load of the engine is reduced, and the user experience and the service life of the engine are guaranteed.

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 discloses a slice laser based on a topological structure dodging layer. The slice laser comprises a pumping system, a pumping light injection module and a composite dodging waveguide structure, pumping light generated by the pumping system enters the composite dodging waveguide structure through the pumping light injection module; the front end face of the composite dodging waveguide structure is plated with a pumping light wavelength high-reflective film and a laser wavelength antireflection film, and the rear end face of the composite dodging waveguide structure is plated with a pumping source wavelength and laser wavelength high-reflective film; the composite dodging waveguide structure comprises a slice gain medium, a topological structure dodging layer and a middle refractive index layer which are sequentially arranged from the front end face to the rear end face. The topological structure dodging layer is composed of a low-refractive-index material layer and a high-refractive-index material topological graph arranged on the low-refractive-index material layer; and the pump light injection module is fixed above the high refractive index material of the middle refractive index layer or the topological structure dodging layer. Pumping uniformity is improved fundamentally, high-order mode suppression and efficient fundamental mode extraction are facilitated, and output power and light beam quality are improved at the same time.

The invention provides an evaporation precooling type cooling tower water saving system and method, and relates to the technical field of cooling towers, the evaporation precooling type cooling tower water saving system comprises an evaporator, the evaporator comprises a tank body and a heat exchange pipe, a heat exchange cavity is formed in the tank body, the heat exchange pipe is used for being connected with a water source to be cooled, and a heat exchange section extending into the heat exchange cavity is arranged between the two ends of the heat exchange pipe; the condenser comprises a condensation pipe and a fan, the condensation pipe is of a snakelike bent structure, one end of the condensation pipe is connected to the top of the heat exchange cavity through an ascending pipe, the other end of the condensation pipe is connected to the bottom of the heat exchange cavity through a descending pipe, and the fan is installed at the position of the snakelike bent structure of the condensation pipe. By arranging a system composed of the evaporator, the condenser and other components, cooling water passes through the heat exchange section to exchange heat with the circulating working medium in the tank body before entering the cooling tower, evaporation precooling is achieved, the effect of reducing the heat load of the cooling water entering the tower is achieved, therefore, evaporation loss can be reduced, and finally water saving is achieved.

This invention discloses a vibration damper for an afterburner with an insertion tube, belonging to the design field of afterburners. It includes a vibration damper, a flame stabilizer, and a central cone. The vibration damper is located at the downstream end of the outer bypass channel, closely attached to the inner wall of the afterburner shell, forming a double-wall structure. Cold air from the outer bypass flows through it, cooling the wall surface and absorbing oscillation energy, thus suppressing high-frequency vibrations in the combustion chamber. The flame stabilizer is located in the inner bypass channel, its inner end connected to the central cone. The inner bypass and part of the outer bypass airflow meet here, forming a low-speed recirculation zone, achieving fuel-air mixing and stable ignition. The vibration damper has openings, employing a deep-hole structure with an insertion tube. The insertion tube is placed within a hole in the vibration damper's base, significantly increasing the equivalent neck length of the vibration damper while maintaining the same main plate thickness. This shifts the peak sound absorption frequency towards lower frequencies, improving the vibration damper's absorption capacity for low-frequency oscillation modes in the afterburner.

The present application provides an aircraft waste heat driven absorption type dual temperature ring controlled refrigeration system and method. The system includes a generator, the generator includes a first inlet, a second inlet and a first outlet, the first inlet receives a reaction solution, the second inlet receives waste heat generated by the operation of the aircraft main engine, the reaction solution in the generator and the waste heat undergo a wall-type heat exchange to generate a first state refrigerant; the first outlet is connected to a first temperature evaporator, receives a second state refrigerant, and outputs a third state refrigerant, the purity of the second state refrigerant is greater than that of the first state refrigerant, and the third state refrigerant includes refrigerants in different forms; the first temperature evaporator is connected to the second temperature evaporator inlet, and the liquid phase refrigerant in the third state refrigerant is extracted and input into the second temperature evaporator to generate a second temperature refrigeration capacity, wherein the first temperature is higher than the second temperature; the refrigerant output from the second temperature evaporator and the gas phase refrigerant in the third state refrigerant are mixed in the absorber to generate a reaction solution.

This invention discloses a porous rectifying structure for the afterburner of a variable cycle engine, comprising a rectifying orifice plate installed in an annular channel between the turbine outlet and the flame stabilizer. The orifice plate is symmetrically arranged along its radial central axis, with the clogging area facing the turbine inflow and axially aligned with the heat shield inlet. The orifice plate height is 2 / 3 of the channel height between the central cone and the heat shield. The plate has uniformly distributed pores with an equivalent diameter of 10-20 mm along the radial direction, with a clogging ratio of 5%-25%. This invention forms a multi-stage mixing interface through the radially gradient porosity pore arrangement, promoting shear mixing of the high-temperature internal combustion gas and the external bypass gas. Simultaneously, the static pressure difference across the orifice plate drives the external bypass gas flow into the heat shield cooling channel, increasing the cooling flow rate, improving the uniformity of the upstream velocity field of the flame stabilizer, eliminating the recirculation zone inside the heat shield, reducing the thermal load on the casing wall, and controlling the total pressure loss to within 3%, achieving high-stability combustion and reliable thermal protection under a wide bypass ratio.

This invention discloses an end-face coated crystal optical element for a laser resonator and its fabrication method, belonging to the field of optical element fabrication. It includes an optical crystal, a high-reflectivity film disposed on one end face of the optical crystal, and a partially transmissive film disposed on the other end face. The high-reflectivity film sequentially includes Y-coatings along the end face of the optical crystal outwards. b F3 First Floor, H f O2 first layer, Y b F3 Second Layer, H f O2 second layer...Y b F3, Q layer, H f O2, Q layer. This invention utilizes Y... b 3+ Sensitization improves pump absorption efficiency and through Y b To E r Energy transfer effectively alleviates high-doped E r The self-termination effect in YAG lasers enables high efficiency and high energy output of 2940nm lasers, making them suitable for fields such as medical aesthetics and precision machining.

The application discloses a coal diesel oil hydrocracking system heat integration process and relates to the technical field of petroleum chemical industry.The system comprises a hydrocracking reactor, a H2S stripping tower and a main fractionating tower which are sequentially connected.The middle reflux of the main fractionating tower is used for heating cold low fraction oil to obtain secondary cold low fraction oil.The diesel oil at the bottom outlet of the main fractionating tower is used for heating the secondary cold low fraction oil to obtain tertiary cold low fraction oil.The reaction product of the hydrocracking after one-time heat exchange is used for heating the tertiary cold low fraction oil to obtain quaternary cold low fraction oil.The quaternary cold low fraction oil is used as the reboiling heat source of the H2S stripping tower.The application changes the cold low fraction oil heat exchange process, fully realizes the waste heat utilization of the middle reflux of the main fractionating tower, the hydrocracking product, the diesel oil at the bottom outlet of the main fractionating tower and the cold low fraction oil, reduces the cooling load and the heat load, simultaneously closes and stops the reboiling heating furnace of the original H2S stripping tower and reduces the energy consumption.

This invention proposes a long-life electric radiant tube heater, comprising an iron-chromium-nickel alloy heating wire, a ceramic body frame, a radiant tube sleeve, and heat dissipation fins. The iron-chromium-nickel alloy heating wire is threaded onto the ceramic body frame, and the iron-chromium-nickel alloy heating wire and the ceramic body form the electric heating core of the electric radiant tube. The radiant tube sleeve is fitted over the outside of the ceramic body frame, and the heat dissipation fins are fixed to the outer wall of the radiant tube sleeve to enhance heat dissipation. The long-life electric radiant tube heater proposed in this invention, by adding heat dissipation fins to the outside of the radiant tube sleeve, can improve heat dissipation efficiency, reduce the heat load on the material, and thus extend its service life.

The invention discloses a passive room door and window frame heat preservation and ventilation integrated device suitable for a cold region, and belongs to the technical field of passive doors and windows, the passive room door and window frame heat preservation and ventilation integrated device comprises an outer wall, a window frame is installed in the outer wall, a window body is installed through the window frame, a fixing block is fixedly installed at the bottom of the window body, and an air inlet is formed in the fixing block; by deeply integrating the preheating chamber and the passive door and window, huge heat loss caused by ventilation is fundamentally reduced, sudden drop of indoor temperature in the ventilation process is avoided, meanwhile, it is guaranteed that air entering a room is preheated, the heating load of a building is remarkably reduced, and energy is saved; through cooperation of an air pressure sensor, an air temperature sensor and an electric telescopic machine, the automatic air inlet and outlet function is achieved, the electric telescopic machine moves up and down to drive a first opening to correspond to a first air hole and drive a second opening to correspond to a second air hole, the stability of air inlet and air outlet is guaranteed, meanwhile, automatic switching can be conducted according to requirements, and the practicability is high. And the complexity of manual operation is reduced.

The present invention provides a heat exchange tube assembly, a fabrication method thereof and a refrigerator, wherein the heat exchange tube assembly includes a heat exchange tube group, the heat exchange tube group includes a capillary tube and a gas return tube which come into contact with each other, and the heat exchange tube assembly further includes a vacuum tube with which a periphery of the heat exchange tube group is sleeved; heat transfer paths, such as heat conduction, heat convection, or the like, can be eliminated.

This utility model relates to the field of metallurgical ironmaking production and discloses a blast furnace gas dehumidification system utilizing the waste heat of blast furnace slag flushing water for cooling. The system includes a slag flushing water circulation network, a low-temperature lithium bromide chiller unit, a chilled water tank, a chilled water circulation pump, a blast furnace gas cooler, and a condensate collection tank. The chilled water tank, chilled water circulation pump, blast furnace gas cooler, and chilled water tank are sequentially connected to form a chilled water circulation pipeline. The heat source interface of the low-temperature lithium bromide chiller unit is connected to the slag flushing water circulation network, its chilled water inlet interface is connected to the outlet of the chilled water circulation pump, and its chilled water outlet is connected to the inlet of the blast furnace gas cooler. The blast furnace gas pipeline is connected to the inlet of the blast furnace gas cooler, and the outlet of the blast furnace gas cooler is connected to the condensate collection tank and subsequent blast furnace gas treatment processes via pipelines. This utility model realizes the use of the waste heat resources of blast furnace slag flushing water for cooling and dehumidifying blast furnace gas, improving energy utilization efficiency.

The utility model discloses a fuel cell system and a vehicle. The fuel cell system comprises at least one group of electric piles, a first preheater, a second preheater, a combustor and an air input unit, the electric pile comprises a first electric pile; the first electric pile comprises a first cathode inlet; the first preheater comprises a first inlet, a second inlet and a first outlet; the second preheater comprises a third inlet, a fourth inlet, a second outlet and a third outlet; the air input unit is communicated with the first inlet through a first pipeline and is communicated with the first cathode inlet through a second pipeline; the first outlet is communicated with the third inlet; the second outlet is communicated with the first cathode inlet; a combustion outlet of the combustor is communicated with the fourth inlet; the third outlet is communicated with the second outlet. According to the technical scheme, on one hand, low-cost materials can be selected for machining, and the cost of hot parts is reduced; and on the other hand, the design difficulty and the manufacturing cost of the hot part are reduced by reducing the heat exchange efficiency and the heat load of the hot part.

The embodiment of the invention provides a fused salt heating superheated steam generation system and a control method thereof, and belongs to the technical field of oilfield exploitation. The system comprises a water supply device, an evaporation device and a superheated steam generation device which are connected in sequence, a fused salt overflowing pipeline is arranged and used for providing a heat source for the hot steam generation device and the evaporation device; the water supply device is used for conveying the preheated low-temperature supply water to the evaporation device, so that the evaporation device converts the preheated low-temperature supply water into wet saturated steam; the superheated steam generating device is used for converting the wet saturated steam into superheated steam required by steam injection; and the control device is used for controlling the operation states of the water supply device, the evaporation device and the superheated steam generation device based on the steam injection requirement. According to the scheme, the problem that in the prior art, response to the dynamic steam injection demand is insufficient is effectively solved, the adaptability and operation efficiency of the system are remarkably improved, and the heavy oil recovery demand under the complex working condition is met.

This application discloses a carbon dioxide desorption tower, a carbon dioxide desorption method, and a decarbonization system, belonging to the field of chemical equipment technology. The carbon dioxide desorption tower includes a tower body, a catalytic unit, a liquid collecting device, and a reboiler. The tower body has a first receiving cavity, a first liquid inlet, a first liquid outlet, and a gas outlet; the catalytic unit is located below the first liquid inlet; the liquid collecting device divides the first receiving cavity into a first chamber and a second chamber; the reboiler has a reboiler inlet and a reboiler outlet, and the tower body has a second liquid outlet and a second liquid inlet. Liquid in the first chamber flows sequentially into the reboiler through the second liquid outlet and the reboiler inlet, and liquid in the reboiler flows sequentially into the second chamber through the reboiler outlet and the second liquid inlet; wherein, the liquid collecting device is provided with a venting section, and the first chamber and the second chamber are connected through the venting section. The carbon dioxide desorption tower of this application can improve desorption efficiency and reduce desorption energy consumption.

The invention discloses a multi-mode intelligent plasma activated water device and method, and belongs to the technical field of plasma activated water preparation. The equipment comprises an air supply unit, a plasma generation unit, a gas-liquid mass transfer unit and an intelligent control unit, the plasma generation unit comprises a plurality of surface dielectric barrier discharge plates which are arranged in parallel; and the intelligent control unit is configured to be switched to operate in two working states of a low-power ozone mode and a high-power nitrogen oxide mode. In the low-power ozone mode, the discharge plates alternately supply power and automatically switch when detecting that the temperature reaches a preset threshold value; and in a high-power nitrogen oxide mode, the discharge plate synchronously and continuously works. The multi-purpose machine is achieved through mode switching, overheating is effectively prevented and the service life is prolonged through alternate power supply in a low-power mode, efficient treatment is achieved in a high-power mode, the differentiated requirements of different scenes for activated water components are met, and the multi-purpose machine has the advantages of being flexible in operation, high in stability and high in intelligent degree.

The utility model discloses a surface contact machine back drawer operating seat, which relates to the technical field of machine back drawer operating seats, and comprises a connecting rod assembly and a rotating partition plate assembly, the bottom of the connecting rod assembly is connected with the rotating partition plate assembly, and the bottom of the rotating partition plate assembly is connected with a connecting shaft bracket; and a connecting pile assembly is vertically mounted at the bottom of the connecting shaft bracket. According to the face-contact machine back-drawing control seat, the thrust bearing seat is arranged, the control lead screw body is changed into thrust bearing transmission, operation is flexible and labor-saving, a force application rod is not needed any more, meanwhile, due to the arrangement of the structure, the situation that the acting force of a control seat lead screw cannot be perpendicular to a back-drawing rotating partition plate can be eliminated, and the situation that operation is difficult is reduced; in addition, the problem that when the heat supply load is reduced, connection between the end face of a hook piece of a control lead screw body and the rotary partition plate assembly slips, and the lead screw is prone to being bent and stuck can be solved, maintenance cost is reduced, and practicability of the device structure is guaranteed.

This utility model provides a photovoltaic curtain wall, belonging to the field of photovoltaic curtain walls. It includes a balcony body, on which an energy-saving photovoltaic installation assembly is installed. The photovoltaic installation assembly is equipped with a ventilation assembly for ventilation and heat dissipation. In this utility model, by setting up the photovoltaic installation assembly, the top of a first metal plate is installed on the balcony base, and the bottom of a second metal plate is installed on the bottom of the balcony body. Then, photovoltaic panels are installed inside the inclined installation groove, positioning the photovoltaic panels on the wall between the floor-to-ceiling windows of the two balconies. This design provides summer sun shading: the fixed tilt angle design maximizes the blocking of high-angle sunlight, reducing the heat load of solar radiation on the balcony; and winter light transmission: the tilt angle adapts to low-angle sunlight, reducing heating obstruction.

According to the refrigeration assembly and the refrigerator, the refrigeration assembly comprises a refrigeration inner container, an air duct assembly, a refrigeration evaporator and a semiconductor chilling plate, the refrigeration inner container is provided with a first refrigeration chamber, an unfreezing chamber and a second refrigeration chamber, and the unfreezing chamber is arranged between the first refrigeration chamber and the second refrigeration chamber; a return air inlet and a first air outlet are formed in the part, where the first refrigerating chamber is located, of the refrigerating liner, and a second air outlet is formed in the part, where the second refrigerating chamber is located, of the refrigerating liner; the air duct assembly is provided with a refrigeration air duct communicating with the air return opening, the first air outlet and the second air outlet. The semiconductor chilling plate is arranged at the position, where the unfreezing chamber is located, of the refrigerating inner container and provided with a heating face and a refrigerating face, the heating face faces the unfreezing chamber and is used for providing heat for the unfreezing chamber, and the refrigerating face faces the refrigerating air channel and is used for providing cold for the refrigerating air channel. In this way, the heat load of the refrigeration assembly can be reduced, and the effect of improving the energy efficiency ratio of the refrigerator with the refrigeration assembly is achieved.

The utility model discloses a distribution box which comprises a distribution box shell, and electronic components are assembled in the distribution box shell. The inner lower part of the distribution box shell passes through a temperature adjusting pipeline; a phase change pipe is sleeved outside the temperature adjusting pipeline in the distribution box shell, a cavity is formed between the inner wall of the phase change pipe and the outer wall of the temperature adjusting pipeline, and the cavity is filled with a phase change material; the temperature adjusting pipeline is an exhaust pipe of the supercharging building exhaust system. The beneficial effects of the utility model are that the exhaust waste heat of the supercharged building is used as a heat source to heat the distribution box, compared with an electric heating mode in the prior art, a temperature sensor does not need to be arranged for feedback control, the structure is simple, and the thermal load and energy consumption of the distribution box are reduced; the heat exchange fins are designed, so that the heat exchange efficiency is greatly improved.

The utility model relates to welding auxiliary technical field, proposes a kind of high-frequency heating auxiliary friction stir welding device, the present design includes welding mechanism, high-frequency heater being arranged in the side surface of welding mechanism, and stirring needle is rotatably connected to the bottom of welding mechanism, and lifting adjustment assembly is arranged in the side surface of welding mechanism, and lifting adjustment assembly includes the sliding seat that can drive high-frequency heater and move vertically in the side surface of welding mechanism, horizontal adjustment assembly is arranged in the inside of sliding seat, and horizontal adjustment assembly includes two groups of the sliding sleeve that can drive high-frequency heater and slide horizontally and slide lock;The present design is through high-frequency preheating and two big innovations of multi-degree-of-freedom adjustment, solves the pain point that stirring head is easy to wear and tear, not flexible in traditional friction stir welding adjustment, significantly improves welding efficiency, quality and equipment life, and all mechanical design is applicable to industrial high-strength application scene.

The application discloses a continuous detonation jet flow initiation and combustion-assisted afterburner, which comprises an outer channel case, an inner channel case, a flow regulation support plate arranged radially on the inner channel case, a center cone, a duty combustion chamber arranged on the flow regulation support plate, a V-shaped flame stabilizer arranged on the flow regulation support plate corresponding to the duty combustion chamber, a continuous detonation jet flow initiator arranged on the outer wall of the inner channel case, and a porous stationary vortex injector arranged at the jet flow outlet of the continuous detonation jet flow initiator. The inner channel utilizes continuous detonation combustion products as the conventional afterburning after the duty flame is strengthened and stabilized, and the outer channel is detonated for afterburning through the continuous detonation jet flow initiation mechanism. The continuous detonation partitioned strengthened combustion organization scheme is helpful to realize the wide-range high-efficiency low-resistance working requirement of the advanced afterburner.

A separation and recovery device for thiophene-containing BT oil includes a BT oil thiophene removal system, a first distillation column, and a second distillation column. The inlet of the BT oil thiophene removal system is connected to a BT oil source, and the outlet is fed to the first distillation column via a first pipeline. The outlet of the condenser at the top of the first distillation column forms a first benzene outlet, and a first reflux pipeline is provided connected to the reflux port of the first distillation column. The bottom of the first distillation column is fed to the second distillation column via a second pipeline. The top of the second distillation column is connected to the inlet of the reboiler heat exchange medium channel at the bottom of the first distillation column via a third pipeline. The outlet of the reboiler heat exchange medium channel at the bottom of the first distillation column forms a second benzene outlet, and a second reflux pipeline is provided connected to the reflux port of the second distillation column. This invention has a simple structure, is easy to operate, and can effectively separate and recover benzene and toluene from BT oil with high purity. It also effectively reduces the heat load of separating benzene and toluene, and can handle high-concentration thiophene petroleum benzene.

The utility model provides a carbon capture and compression system based on comprehensive utilization of waste heat and LNG (Liquefied Natural Gas) cold energy. The carbon capture and compression system comprises a flue gas cooler, an absorption tower, a rich liquid diverter, a lean and rich liquid heat exchanger, a regenerated gas heat exchanger, a flash steam compressor, a regeneration tower, a reboiler, a two-stage compressor, a multi-stream heat exchanger and a carbon dioxide condenser. A pregnant solution diverter and a regenerated gas heat exchanger are used for recycling waste heat of regenerated gas at the top of the regeneration tower to heat pregnant solution, and sensible heat and latent heat of absorbent regeneration are reduced; the cold energy of liquefied natural gas can be used for liquefying carbon dioxide under intermediate pressure, the compression stage number and compression power consumption of the carbon dioxide are reduced, the multi-stream heat exchanger is used for recovering the compression heat of the carbon dioxide for heating condensate water, the using amount of latent heat and cooling water is further reduced, and the energy consumption is reduced. And full recovery of waste heat in a chemical absorption method carbon dioxide capture and compression system and efficient utilization of liquefied natural gas cold energy are achieved, and the energy utilization efficiency and economical efficiency of the system are improved.

This utility model relates to the field of air compressors, and more particularly to an air compressor for glass manufacturing. It includes an air compressor housing, a first air inlet plate rotatably connected to the left side of the housing, a guide frame on the first air inlet plate, a radiator in the middle of the housing, a heat dissipation vent on the upper right side of the housing, a cooling fan mounted on the vent, a heat dissipation frame mounted on the upper right side of the housing, and a second air inlet plate rotatably connected to the right side of the housing. This utility model precisely guides airflow through the dual-guided first and second air inlet plates, significantly reducing inlet turbulence losses and minimizing vortices. The converging heat dissipation frame accelerates exhaust through the Venturi effect, enhances the suction force of the cooling fan, significantly improves heat exchange efficiency, solves the problem of high-temperature compressed air retention, and reduces equipment heat load and operating energy consumption.

The purpose of this invention is to provide a high-efficiency cooling structure for turbine blade crowns with a rotary cooling channel, belonging to the field of gas turbines. It includes blades, rim plates, tenons, and a crown. The crown is located above the blades, which are fixed to the tenons by the rim plates. A rotary cooling channel is installed inside the crown. The upper and lower surfaces of the crown have film cooling holes, and the pressure side of the blade has film cooling holes on its surface. Part of the cold air entering the blade flows out through the film cooling holes on the blade surfaces, while the other part enters the rotary cooling channel through the film cooling holes on the lower surface of the crown and flows out through the film cooling holes on the upper surface of the crown. This invention, by introducing a rotary cooling channel structure into the turbine blade crown, enhances internal convective heat transfer and simultaneously achieves leakage control. The circular film cooling holes form a surface isolation film, and this dual cooling mechanism significantly improves cooling performance, overcoming the limitations of traditional crowned blades that rely on simple geometric barriers.

The application provides a combined ground source heat pump air conditioning system for a pharmaceutical workshop and a construction method thereof, and relates to the technical field of ground source heat pumps.The combined ground source heat pump air conditioning system comprises a ground buried pipe heat exchanger, a ground source heat pump unit and an anti-season ground source heat pump unit.The water outlet of the ground source heat pump unit and the water outlet of the anti-season ground source heat pump unit are connected in parallel and communicated to a return water main pipe.The return water main pipe is connected to the water inlet end of the ground buried pipe heat exchanger.The water outlet end of the ground buried pipe heat exchanger is connected to the water inlet of the ground source heat pump unit and the water inlet of the anti-season ground source heat pump unit respectively.The two streams of waste cold and hot water are mixed and neutralized in the main pipe before being discharged into the return water main pipe, so that the net heat discharged into the earth is reduced, the heat load of the ground buried pipe heat exchanger is reduced, soil heat imbalance is avoided, the internal energy of the system is deeply recovered, and the overall operation energy consumption is significantly reduced.