83 results about "Counter flow" patented technology

The present invention relates to a secondary cross-flow high-efficiency waste heat recovery heat exchanger, which belongs to the field of heat exchangers. The heat exchanger includes a housing, the periphery of which is provided with a plurality of flange openings. The housing is divided into a first chamber and a second chamber by a profile. A hot medium inlet is provided on the left side of the first chamber, and a cold medium outlet is provided on the front side of the first chamber; a cold medium inlet is provided on the front side of the second chamber, and a hot medium outlet is provided on the right side of the second chamber; wherein the U-shaped circulation path of the cold medium intersects the circulation path of the hot medium. The present invention transforms the heat exchange form of the heat exchanger from the original cross-flow to a combination of cross-flow and counter-flow, greatly improving the value of the temperature difference correction and ultimately improving the heat exchange efficiency of the product. In addition, the pipeline layout is relatively compact and occupies little space.

The utility model aims to disclose a modularized countercurrent heat exchange plate type air pre-heater which comprises a plate type heat exchange unit, the plate type heat exchange unit comprises at least one layer of heat exchange module and flow guide modules, and the flow guide modules are arranged on the upper layer and the lower layer of the heat exchange module respectively. The flow guide module arranged on the upper layer of the heat exchange module is connected with a smoke inlet connector and an air outlet connector, and the flow guide module arranged on the lower layer of the heat exchange module is connected with a smoke outlet connector and an air inlet connector. Compared with the prior art, the defects that a rotary air pre-heater is blocked and an all-welded plate type air pre-heater can only exchange heat in a cross flow mode are overcome when the flue gas flow is large, the dust containing rate is high and substances prone to bonding are contained, the plate distance can be flexibly adjusted through the height of the protruding points, the air pre-heater is suitable for large-flow flue gas, blocking is avoided, and the service life of the air pre-heater is prolonged. Countercurrent flow heat exchange of the whole air pre-heater is achieved due to the existence of the flow guide strips, the end difference of the air pre-heater is small, the heat exchange efficiency of the air pre-heater is greatly improved, and the purpose of the air pre-heater is achieved.

The invention relates to the field of heat exchangers, in particular to a variable-pitch elliptical twisted heat exchange tube and a Knoosel number calculation method. In order to improve the heat exchange performance of a tubular heat exchanger, reduce the occupied space of the heat exchanger and improve the defects of the traditional tubular heat exchanger, the invention provides a variable-pitch elliptical twisted heat exchange tube. The pipe is characterized in that on the basis of an elliptical spiral twisted pipe, the pipe is formed by combining segmented step type variable-pitch pipes, so that the flowing of fluid inside and outside the pipe is changed into pure countercurrent, the flowing speed and the flowing direction of the fluid can be changed in a staged manner, and the comprehensive performance is enhanced. Under the condition of the same pump power, more heat can be exchanged, and the purposes of saving energy and saving occupied space are achieved. Meanwhile, a Knoosel number calculation method is provided, the heat exchange coefficient of the twisted tube can be accurately calculated through the method, quantitative analysis of the heat exchange performance of the twisted tube is facilitated, and a theoretical basis is provided for comparison with a traditional heat exchange tube.

The spiral heat exchanger with the inner channel and the outer channel comprises a cooling liquid downstream sleeve, a cooling liquid countercurrent pipeline is arranged in the cooling liquid downstream sleeve in a penetrating mode, and a spiral baffle is arranged between the inner wall of the cooling liquid downstream sleeve and the outer wall of the cooling liquid countercurrent pipeline. A cylindrical compressed hydrogen spiral partition plate is arranged between the spiral baffles in a penetrating mode, the compressed hydrogen spiral partition plate is located between the cooling liquid downstream sleeve and the cooling liquid reverse flow pipeline, and a cooling liquid downstream pipeline is formed among the compressed hydrogen spiral partition plate, the cooling liquid downstream sleeve and the spiral baffles. And a high-temperature compressed hydrogen pipeline is formed among the compressed hydrogen spiral partition plate, the cooling liquid reverse flow pipeline and the spiral baffle. According to the utility model, the cooling liquid in the inner layer and the cooling liquid in the outer layer are respectively subjected to heat exchange with hydrogen in countercurrent and down-current modes, and meanwhile, the spiral pipeline design is utilized, so that the heat exchange area and the hydrogen retention time are effectively prolonged, and the heat exchange efficiency is improved on the premise of ensuring the safety.

The invention discloses a dry-wet integrated falling film evaporation heat exchanger which is composed of a high-temperature medium channel, heat pipe bundles with different evaporation temperatures, a partition plate and a low-temperature medium channel. The high-temperature medium channel and the low-temperature medium channel are separated by the partition plate to form independent channels for high-temperature media and low-temperature media, and the heat pipe bundle penetrates through the partition plate and is in sealed connection, so that the high-temperature media and the low-temperature media exchange heat under the complete isolation condition. The heat pipe bundles are sequentially arranged into a high-temperature tube bundle, a medium-temperature tube bundle and a low-temperature tube bundle in the flowing direction of a high-temperature medium, the low-temperature tube bundle, the medium-temperature tube bundle and the high-temperature tube bundle are sequentially arranged in the flowing direction of a low-temperature medium, and a high-low-temperature medium countercurrent flow heat exchange and complete cascade heat transfer model is formed. And the heat pipe bundle partially or completely adopts falling film evaporation heat transfer in the low-temperature medium channel. The heat pipe heat exchanger overcomes the defects that the heat transfer temperature difference of a traditional heat pipe heat exchanger is reduced along the process and the heat transfer coefficient is low, and is particularly suitable for application scenes where heat transfer is isolated and low-temperature media need to be heated and humidified at the same time.

The utility model relates to the technical field of heat exchangers, and discloses a countercurrent heat exchanger, which comprises a tube pass inlet cylinder, a tube pass outlet cylinder and a shell pass cylinder, an input tube is embedded on the surface of the tube pass inlet cylinder, an output tube is embedded on the surface of the tube pass outlet cylinder, the shell pass cylinder is welded between the tube pass inlet cylinder and the tube pass outlet cylinder, and the tube pass inlet cylinder and the tube pass outlet cylinder are welded together. And a heat exchange tube is embedded in the right side of the tube pass inlet cylinder. Compared with the prior art, the countercurrent heat exchanger has the advantages that the flow path of a heat exchange medium can be prolonged and the heat exchange efficiency can be improved through the baffle plates, and when the flow direction of the heat exchange medium is changed through the baffle plates, the inner wall of the shell pass barrel can be protected through the protection plates, so that the influence of impact on the inner wall of the shell pass barrel is reduced; and the protective plate is slidably connected with the shell pass barrel through the connecting rod, the sealing ring and the tension spring, and when the protective plate is impacted, the tension spring can be stretched to buffer the impact on the protective plate, so that the purpose of performing safety protection on the protective plate is achieved, and the service life of the protective plate is prolonged.

A plate type gas-gas heat exchanger (400) comprises a casing (402) having a first end (402a) and a second end (402b). A first fluid inlet (404) and a second fluid outlet (410) are configured in a first portion (402a-1) and a second portion (402a-2) of the first end (402a). The first fluid inlet (404) receives a first fluid (F1). A second fluid inlet (406) and a first fluid outlet (408) are configured in a first portion (402b-1) and a second portion (402b-2) of the second end (402b) respectively. The second fluid inlet (406) receives a second fluid (F2). The first and second fluid outlets (408, 410) allows exit of the first and second fluids (F1, F2) respectively from the heat exchanger (400), after heat exchange. The first and second fluid (F1, F2) flow in opposite directions, creating a true counter-current flow pattern across an entire length of the heat exchanger (400).

This utility model discloses a counter-flow cooling tower, including a cooling tower shell, a fan installed on the top of the cooling tower shell, and packing material inside the cooling tower shell. A disassembly and assembly mechanism is provided inside and at the front of the cooling tower shell. The disassembly and assembly mechanism includes a connecting plate fixedly connected to the front of the packing material, and a strip-shaped cylinder fixedly connected to the front of the connecting plate. Through the disassembly and assembly mechanism, utilizing the sliding cooperation between the connecting plate and the fixed square rod, and the guiding support of the slider for the packing material, the packing material can be directly pulled out or inserted along the fixed square rod, avoiding the cumbersome disassembly process of bolt tightening or custom clips in traditional structures. Simultaneously, the spring inside the strip-shaped cylinder, along with the buckle plate and the clip plate, forms an automatic locking structure. During replacement, only the buckle plate needs to be pressed and the clip plate slid, allowing disassembly and assembly to be completed without professional tools, significantly reducing downtime for maintenance.

This disclosure presents methods and systems of controlling a counter flow double pipe heat exchanger (DPHE) that includes a hot fluid pipe and a cold fluid pipe. In a method, a temperature error between a reference temperature and a temperature at an outlet of the hot fluid pipe of the counter flow DPHE is determined. A cold fluid mass flow rate is determined from an output of a proportional-integral-derivative (PID) controller based on the temperature error being input to the PID controller. The cold fluid mass flow rate is used for a cold fluid in the cold fluid pipe of the counter flow DPHE. The temperature error is controlled within a predefined range by utilizing parameters of the PID controller that are set by using a harmony search algorithm (HSA) to obtain a minimization of a cost function.

The utility model provides a reverse flow type spiral pipe heat exchanger which comprises an outer pipe body, an inner pipe body, a spiral heat exchange pipe and a water conveying pipe, the two ends of the outer pipe body and the two ends of the inner pipe body are connected with plugs in a sealed mode, the inner pipe body is arranged in the outer pipe body through an inner support, and a gap between the outer pipe body and the inner pipe body is a heat exchange gap. The spiral heat exchange pipe is installed in the heat exchange gap, the two ends of the spiral heat exchange pipe are connected with the sealed water inlet assembly, and the two water conveying pipes are arranged at the upper end and the lower end of the outer pipe body correspondingly. The first heat exchange liquid enters the heat exchange gap through the water conveying pipe, the second heat exchange liquid enters the spiral heat exchange pipe to achieve heat exchange with the first heat exchange liquid, the spiral heat exchange pipe is of a spiral structure, the heat exchange efficiency can be improved, and when the spiral heat exchange pipe is installed in the connecting groove, the connecting sealing performance of the spiral heat exchange pipe and the sleeve can be guaranteed through the elasticity of the spiral heat exchange pipe. The pipeline structure is simple in design, low in production cost and capable of being used for meeting the heat exchange requirement of the solution dehumidifier.

The invention discloses a countercurrent heat exchanger suitable for supercritical fluid heat exchange and a design method thereof.The countercurrent heat exchanger comprises a heat exchange component, two cold fluid filler necks and two hot fluid filler necks, the two hot fluid filler necks are located at the two ends of the heat exchange component respectively, and the two cold fluid filler necks are perpendicular to the direction of the hot fluid filler necks; the inlets are formed in the side walls of the two ends of the heat exchange component in opposite directions; the heat exchange component is integrally formed and is of a honeycomb structure formed by arranging a plurality of capillary finned tubes in parallel, and a cylindrical shell is arranged outside the honeycomb structure. Each capillary finned tube is composed of six fins and a capillary tube, the fins are evenly distributed around the capillary tube in the radial direction, and the fins are connected to form a triangular tube. The heat exchange efficiency is further improved, the product structure composition is simple, the core heat exchange component adopts the 3D printing technology, and the manufacturability is high.

The present application relates to longitudinal finned tube heat exchanger with built-in heat exchange sleeve and nozzle and its cooling tower, comprising heat exchange array with several longitudinal finned tube heat exchange units, flow divider, sprinkling water distributor, liquid collector. By setting heat exchange tube for counter flow heat exchange inside longitudinal finned tube, the heat exchange efficiency of heat exchanger is greatly improved, by setting upper connection assembly with uniform sprinkling on longitudinal finned tube, the uniformity and surface film forming property of sprinkling water are improved, so that the comprehensive heat exchange performance of heat exchanger in indirect evaporation process is greatly improved. The closed cooling tower prepared by using the longitudinal finned tube heat exchanger of the present application has the advantages of small volume, large refrigerating capacity and the like.

The invention discloses a multi-stage cross-flow absorption tower and a multi-stage cross-flow absorption method using the same. The multi-stage cross-flow absorption tower comprises: a tower body, the two ends of which are respectively connected to a flue gas inlet and a flue gas outlet; a plurality of filler absorption sections, which are arranged transversely in the tower body; a demister, which is arranged in the tower body; a plurality of spray pipes and liquid accumulation tanks, the spray pipes are arranged above each filler absorption section, and the liquid accumulation tanks are arranged below each filler absorption section; a heat exchanger, wherein a circulating solution circulates between the spray pipes, the filler absorption section, the liquid accumulation tank and the heat exchanger; a cold source inlet and a cold source outlet, wherein a cold source medium enters from the cold source inlet, flows into the heat exchanger for heat exchange, and flows to the cold source outlet. The invention not only improves the absorption efficiency and the thermal energy efficiency ratio, but also reduces the height in the longitudinal direction due to the transverse arrangement, thereby overcoming the floating liquid problem of the traditional countercurrent tower body. At the same time, it can also save equipment investment costs and optimize site layout.

An isolation core is used to isolate an air conditioning (AC) unit and an external environment such as an enclosure to be cooled. An isolation core may take the form of a cross-flow or counterflow heat exchanger which acts to thermally couple the flows of an AC unit and an enclosure air inlet and return without permitting the flows to intermix. The isolation core thus facilitates cooling of enclosures while isolating flammable refrigerant from the enclosure air, requiring the refrigerant to remain within the AC unit even if an interior component of the AC unit such as a cooling coil, etc., leaks.

To provide an apparatus (100) for thermal energy storage and conduction.SOLUTION: The apparatus (100) includes a thermal energy input device (1) having a bed of fluidizable solid particles received in a casing and exposed to a thermal energy source to function as a heat storage means, a heat exchange means (3) operating in counter-current flow and configured for exchange of thermal energy between a heated vector mass of the bed particles and a working fluid, a transport means (5) configured for supplying the vector mass of the bed particles from the device (1) to the heat exchange means (3) and for returning at least part of the vector mass to the device (1) downstream of the heat exchange means (3), and a control unit (10) associated with a parameter detection means (6).SELECTED DRAWING: Figure 4

The utility model relates to the technical field of counter flow type cooling towers, in particular to a counter flow type cooling tower with external heat dissipation flow channels, which comprises a tower body and a water pump, a heat absorption flow channel is arranged in the tower body, the heat dissipation flow channels are arranged outside the two sides of the tower body, and the outer wall of the heat absorption flow channel is attached to the heat dissipation flow channels through a fixing frame; a water collecting tank is arranged at the bottom of the tower body, the input end of the water pump is communicated with the water collecting tank, and the output end of the water pump is communicated with the heat dissipation flow channel through a water conveying pipe; wherein a filter plate is arranged between the pair of water conveying pipes through a connecting pipe, the periphery of the filter plate is coated with heat preservation cotton through a fixing assembly, and the heat preservation cotton and the filter plate can be fixed through a fixing piece, so that the situation that normal use is affected under the condition that the temperature of the environment where the cooling tower is located is low is avoided; and the flow channel can be prevented from being blocked by impurities contained in the cooling water, the structure is simple, operation is easy and convenient, and practicability is high.

The utility model discloses a reverse flow type mechanical ventilation tower hot water curtain anti-icing system which comprises a reverse flow type mechanical ventilation cooling tower body, outlets are formed in the left side and the right side of the upper end of the reverse flow type mechanical ventilation cooling tower body, and fan blades are installed in the outlets. The fan blades work through a transmission shaft installed at the inner side position, the transmission shaft enables the fan blades to rotate through a driving motor connected to the other end position, and a guardrail is installed at the upper end position of the reverse flow type mechanical ventilation cooling tower body. According to the reverse flow type mechanical ventilation cooling tower hot water curtain anti-icing system, a hot water curtain pipeline is connected with a return water upper tower vertical pipe, hot water in the hot water curtain pipeline is vertically and evenly sprayed to the inner plane of a water guide plate, and the water guide plate evenly sprays the hot water to an air inlet to form a hot water curtain so that cold air entering the tower can be heated; therefore, the purpose of deicing of the cooling tower in winter is achieved.

A gas treatment component includes a cross-flow heat exchanger and a counter-flow heat exchanger arranged in series with the cross-flow heat exchanger. The cross-flow heat exchanger and the counter-flow heat exchanger each include a core having a stack of heat exchanger plates, and the heat exchanger plates of the cross-flow heat exchanger form first channels for a first gas flow passing the cross-flow heat exchanger and form second channels for a second gas flow passing the cross-flow heat exchanger. A first distance between neighbouring heat exchanger plates forming the first channels is smaller than a second distance between neighbouring heat exchanger plates forming the second channels. The cross-flow heat exchanger includes a second outlet for the second gas flow to leave the cross-flow heat exchanger and a deflector plate for deflecting a portion of the second gas flow leaving the cross-flow heat exchanger at the second outlet.

The present invention provides a plate heat exchanger for centralized heating, wherein the heat exchange tube is a plate structure, the plate structure includes a long side and a short side, an inner partition is arranged inside the plate structure, the inner partition connects the two long sides of the plate structure, and divides the inner cavity of the plate structure into a first inner cavity and a second inner cavity, a partition wall is arranged inside the first head and the second head, and the first head is divided into a first cavity and a second cavity, and the second head is divided into a first cavity and a second cavity, wherein the first cavity of the first head is connected to the first cavity of the plate structure, and the first cavity of the plate structure is connected to the first cavity of the second head, wherein the second cavity of the first head is connected to the second cavity of the plate structure, and the second cavity of the plate structure is connected to the second cavity of the second head. The present invention divides the heat exchange tube into two parts, and the two parts of fluid flow countercurrently to each other, so that the heat exchange in the overall flow direction of the heat exchange tube is uniform, thereby enhancing heat transfer.

An isolation core is used to isolate an air conditioning (AC) unit and an external environment such as an enclosure to be cooled. An isolation core may take the form of a cross-flow or counterflow heat exchanger which acts to thermally couple the flows of an AC unit and an enclosure air inlet and return without permitting the flows to intermix. The isolation core thus facilitates cooling of enclosures while isolating flammable refrigerant from the enclosure air, requiring the refrigerant to remain within the AC unit even if an interior component of the AC unit such as a cooling coil, etc., leaks.

The utility model discloses a counter flow type cooling tower, which comprises a frame structure and a cooling tower body arranged on the frame structure, an air duct, a water collector, a water distribution system and a filler are sequentially arranged along the cooling tower body from top to bottom, a fan is arranged in the air duct, the filler comprises a filler layer with an S-wave-shaped surface, and the surface of the filler layer is provided with a water inlet and a water outlet. The wave crest and the wave trough of the S wave form are arc-shaped, and the extending direction of the S wave is consistent with the water flow direction and the air flow direction; according to the utility model, not only is the heat exchange efficiency higher, but also dirt, impurities or sediments are not easy to accumulate between wave crests and wave troughs of the filler, water flow blockage caused by blockage is avoided, and the cooling efficiency is ensured.

The utility model relates to the technical field of heat exchanger, propose a kind of stepped countercurrent subsection heat exchange device and the application of water heater thereof, stepped countercurrent subsection heat exchange device, including heat exchange main part, the heat exchange main part includes heat exchange area and heat exchange pipeline;Heat exchange area is equipped with several sections, several heat exchange areas are communicated with each other and mutually independent interval arrangement, and heat exchange pipeline connected with each other is equipped in each heat exchange area;Heat exchange pipeline is equipped with the heat insulation pipe for preventing the heat transfer between adjacent two heat exchange areas, to make the cold, hot fluid of each heat exchange area realize mutual non-interference in heat exchange process, and independent heat exchange, and each heat exchange area is formed heat transfer separation by heat insulation pipe, and the stepped temperature difference is formed between each heat exchange area.The subsection design of heat exchange area avoids the overall temperature difference homogenization problem caused by heat diffusion of traditional device, and heat exchange pipeline completes efficient heat exchange independently in each heat exchange area, improves overall heat exchange efficiency.

The invention relates to the technical field of air conditioners, in particular to an air conditioning system. The CO2 heat pump air conditioning system aims at solving the problem that an existing CO2 heat pump air conditioning system is poor in refrigeration effect and heat exchange effect. In order to achieve the purpose, the air conditioning system comprises a refrigerant circulating system and a liquid circulating system, the refrigerant circulating system comprises a compressor, an ejector, a first outdoor heat exchanger, a second outdoor heat exchanger, a third outdoor heat exchanger and the like, and the liquid circulating system comprises a first indoor heat exchanger and the like. Liquid in the liquid circulation system sequentially flows through the second outdoor heat exchanger and the third outdoor heat exchanger for heat exchange and then enters the first indoor heat exchanger, the second outdoor heat exchanger and the third outdoor heat exchanger can be used for refrigeration, and the flowing directions of refrigerants and the liquid in the two outdoor heat exchangers are opposite. The heat exchange effect between the liquid and the refrigerant can be improved through countercurrent flow heat exchange, and the refrigeration effect of the air conditioning system is further improved.

The invention provides a counter-flow type evaporative cooling tower and a heat exchange method. The counter-flow type evaporative cooling tower comprises a closed tower body, an induced draft fan, a heat exchange tube bundle, a spraying device and a spraying cooling device. The closed tower body is sequentially provided with a first air inlet end, a cooling area, an air mixing area, a heat exchange area and a second air inlet end from one side to the other side, an air outlet end is arranged at the position, corresponding to the air mixing area, of the closed tower body, a water storage area is formed below the cooling area, the air mixing area and the heat exchange area in the closed tower body, and the induced draft fan is arranged at the air outlet end; the heat exchange tube bundle is arranged in the heat exchange area in the vertical direction, a circulating water inlet is formed in the lower end of the heat exchange tube bundle, and a circulating water outlet is formed in the upper end of the heat exchange tube bundle. The spraying device is arranged between the heat exchange tube bundle and the water storage area; and the spraying cooling device is arranged in the cooling area. The water-water heat exchanger has the advantages that external circulating water is sprayed to the outer surface of the heat exchange tube bundle through the spraying device, and internal circulating water and the external circulating water are in a reverse flow type, so that the water-water heat exchange efficiency can be greatly improved.

The invention provides a reverse flow type fog dissipation peak wet air cooler which comprises a box body, an evaporation coil pipe and a peak device are arranged in the box body, and the evaporation coil pipe and the peak device are arranged in a mutually isolated mode through a flow dividing partition plate arranged in the box body; a rhombic fog dissipation filler is arranged above the inner cavity of the box body, and a hot air channel of the rhombic fog dissipation filler is communicated with a cavity where the evaporation coil is located; a cold air channel of the rhombic fog dissipation filler is communicated with the cavity where the peak device is located, and the cold air channel is not communicated with or partially communicated with the cavity where the evaporation coil is located; through the synergistic effect of the counter-flow peak device and the evaporation coil, the heat exchange efficiency is remarkably improved in the high-temperature or load peak period, stable operation of the system is guaranteed, efficiency reduction caused by insufficient cooling is avoided, the rhombic fog dispersal filler and multi-channel airflow mixing design is adopted, wet and hot air and cold air are fully mixed for cooling, the relative humidity is reduced, and the energy consumption is reduced. Generation of rime fog is effectively inhibited, and environmental pollution and visual potential safety hazards are reduced.

The invention belongs to the technical field of heat pump energy storage, and discloses an integrated absorption heat storage CO2 heat pump energy storage system and an operation method thereof.The integrated absorption heat storage CO2 heat pump energy storage system comprises a CO2 heat pump cycle, an absorption heat storage cycle and a heating water flow water.The absorption heat storage cycle comprises an absorbent storage tank (1), a refrigerant storage tank (2) and a finned tube heat exchanger (9); the CO2 heat pump cycle is a loop formed by connecting components including an absorbent storage tank (1), a first countercurrent heat exchanger (4), a second countercurrent heat exchanger (5), an expansion valve (6), an evaporator (7) and a compressor (8); and the heating water flow path is a flow path formed by connecting the first countercurrent heat exchanger (4) and the second countercurrent heat exchanger (5) with the hot water storage tank (3). Compared with the prior art, the problems of insufficient heat energy utilization and low heat storage efficiency of the CO2 heat pump can be solved.

The present invention provides an air conditioner indoor unit and an air conditioner. One of the air conditioner indoor units includes a shell and a heat exchanger. The shell has an air duct inside. The heat exchanger is in the air duct. When the air flow direction in the air duct is in a first direction, the refrigerant in the heat exchanger flows in a second direction. When the air flow direction in the air duct is in a second direction, the refrigerant in the heat exchanger flows in a first direction. The first direction is opposite to the second direction, so that the heat exchanger can also form a countercurrent with the air flow direction of the air conditioner indoor unit when the air flow direction is opposite. The present invention provides an air conditioner indoor unit and an air conditioner. Whether the air conditioner is in a heating mode or a cooling mode, the flow direction of the refrigerant in the heat exchanger can form a countercurrent with the air flow direction, thereby improving the heat exchange efficiency of the heat exchanger and the energy efficiency of the air conditioner.

The invention discloses a full-flow-channel zero-bypass concentric sleeve reverse flow type heat exchanger, and belongs to the technical field of heat exchange equipment. According to the heat exchanger, the fluid bypass problem existing in a tubular heat exchanger is fundamentally eliminated, fluid participating in heat exchange completely flows in the closed pipeline in the pure axial direction, two-strand or multi-strand pure countercurrent flow heat exchange can be achieved through reasonable process arrangement, the logarithmic average temperature difference correction coefficient approaches to 1, design is easy and convenient, and calculation is accurate and reliable. The heat exchanger integrates the advantages of a traditional tubular heat exchanger, a plate-fin heat exchanger, a lamella heat exchanger, a plate-type heat exchanger and a double-pipe heat exchanger, overcomes the defects of the traditional tubular heat exchanger, the plate-fin heat exchanger, the lamella heat exchanger, the plate-type heat exchanger and the double-pipe heat exchanger, is suitable for heat exchange of various media and complex working conditions, and can realize micro-channel and large-scale.

The application discloses a kind of wind energy air water taking device, mainly including power and flexible transmission module, compression and precooling gas storage module, condensation water taking module, collection and depth purification module and independent energy storage control unit.The core is to use high-pressure proportional shunt valve to divide high-pressure wet air into two ways: one way is expanded through vortex tube to produce extremely cold gas and is introduced into sleeve type counterflow heat exchanger outer tube;The other way is kept in high-pressure state into heat exchanger inner tube, and a large amount of condensed water is condensed and separated instantaneously under the countercurrent quenching of cold gas, which fundamentally eliminates the ice blockage hidden trouble caused by direct pressure reduction;In addition, the system realizes wind power self-adaptive no-load starting through centrifugal clutch and unloading valve linkage, and uses coaxial microgenerator to provide closed-loop power for water quality ultraviolet sterilization component;The application does not need external power grid support, and can efficiently and stably produce safe direct drinking water in extreme environment.