CN114459175A - Multi-working-condition finned-tube evaporative heat exchanger - Google Patents

Multi-working-condition finned-tube evaporative heat exchanger Download PDF

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Publication number
CN114459175A
CN114459175A CN202210159398.8A CN202210159398A CN114459175A CN 114459175 A CN114459175 A CN 114459175A CN 202210159398 A CN202210159398 A CN 202210159398A CN 114459175 A CN114459175 A CN 114459175A
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CN
China
Prior art keywords
tube
heat exchanger
plate
collecting
pressure switch
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Pending
Application number
CN202210159398.8A
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Chinese (zh)
Inventor
邱柳青
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Hunan Pusius Technology Co ltd
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Hunan Pusius Technology Co ltd
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Priority to CN202210159398.8A priority Critical patent/CN114459175A/en
Publication of CN114459175A publication Critical patent/CN114459175A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/027—Condenser control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
    • F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
    • F28D1/024—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a multi-working-condition finned tube type evaporative heat exchanger which comprises an air conditioner, wherein a tube plate is arranged in a finned plate, a first collecting tube is arranged on the upper side of one end of the tube plate, a second collecting tube is arranged on the lower side of the tube plate, a first pressure switch is arranged on the first collecting tube, a second pressure switch is arranged on the second collecting tube, air and frozen liquid channels are uniformly arranged on the tube plate and the finned plate from top to bottom and from left to right, and a closed medium channel is formed in the finned plate; the water suction pump is communicated with a collecting pipe of the water distribution device. The multi-working-condition finned tube type evaporative heat exchanger is characterized in that the compressor is connected with the first collecting tube through the matching arrangement of the compressor, the evaporator, the multiple groups of heat exchange finned tubes and the expansion valve, the evaporator is connected with the second collecting tube through the throttling device, the temperature sensor senses the temperature of the liquid storage box and then controls the heat exchange to be started through the controller, when the temperature is not too high, the water suction pump is only required to be started for heat exchange, and when the temperature is too low, the water suction pump is closed.

Description

Multi-working-condition finned-tube evaporative heat exchanger
Technical Field
The invention relates to the technical field of air conditioners, in particular to a multi-working-condition finned tube type evaporative heat exchanger.
Background
A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, power, food and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.
The existing evaporative heat exchanger has the following defects: firstly, most of the plates or pipes can only provide refrigeration in summer and cannot heat; secondly, the heat exchange capacity of the heating heat exchanger in winter is poor, the air condenser needs to be added, the size is large, the cost is high, thirdly, an antifreezing solution needs to be added, the corrosion is large, the volatility is high, and the cost is high. Fourthly, the water spreading port of the evaporative heat exchanger is easy to block in the operation process, so that dry spots exist on the heat exchange surface, the heat exchange capacity is reduced, and the surfaces of the heat exchange plates or the tubes are easy to corrode, the maintenance cost is high, and the service life is short.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multi-working-condition finned tube type evaporative heat exchanger which has the capabilities of efficiently refrigerating and heating regulation heat exchange under all working conditions, the heat exchange surface has no welding point, and an air-cooled condenser is not required to be added under the heating working condition; the whole process filters dust and dirt, solves the problems that the evaporative cooling air conditioner cannot run without tap water supplement and run in winter to prevent freezing when in refrigeration, and solves the problems in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a multi-working-condition finned tube type evaporative heat exchanger comprises an air conditioner, wherein a tube plate is arranged in a finned plate, a first collecting tube is arranged on the upper side of one end of the tube plate, a second collecting tube is arranged on the lower side of the tube plate, a first pressure switch is arranged on the first collecting tube, a second pressure switch is arranged on the second collecting tube, air and refrigerating liquid channels are uniformly arranged on the tube plate and the outside of the finned plate from top to bottom and from left to right, and a closed medium channel is formed in the finned plate; the suction pump is communicated with the water distribution device collecting pipe, the water distribution device collecting pipe is provided with a water distribution port, the top of the water distribution device collecting pipe is provided with a heat exchange fan, the lower side of the tube plate is provided with a liquid storage tank, the liquid storage tank is communicated with the bottom of the suction pump and is provided with a sewage discharge electric valve, the upper end of the liquid storage tank is provided with an online filtering device, the left side of the liquid storage tank is provided with an automatic water replenishing electric valve, and the right side of the liquid storage tank is provided with a temperature sensor.
Preferably, the heat dissipation tube plates are provided with a plurality of groups, the fin plates are provided with a plurality of groups, the right lower ends of the plurality of groups of heat dissipation tube plates are connected in parallel to the second collecting pipe to form an internal closed channel, the second collecting pipe is provided with a second pressure switch and communicated with the evaporator, the middle of the second collecting pipe is provided with a filter, an expansion valve and a vapor-liquid separator, the right upper ends of the plurality of groups of heat dissipation tube plates are connected in parallel to the first collecting pipe to form an internal closed heat exchange channel, the first pressure switch is arranged, the first collecting pipe is communicated with the compressor, and the middle of the first collecting pipe is provided with an oil separator and a four-way reversing valve.
Preferably, a temperature sensor is installed on the inner wall of the liquid storage tank, a water suction pump, an automatic water replenishing electric valve and a sewage discharging electric valve are arranged at the sensing end of the temperature sensor, and the temperature sensor is electrically connected with an external heat exchange fan through a water distribution device header and a water distribution port through a wire.
Preferably, each group of the tube plates is longitudinally provided with six tubes, the middle of each group of the fin plates is inserted and arranged in sequence and in parallel, and the fin plates are sequentially provided with a plurality of groups.
Preferably, the online filtering device is arranged at the top of the liquid storage tank, and the online filtering device is detachably connected with the liquid storage tank.
Preferably, the tube plate and the fin plate are connected in a penetrating manner, an inner closed medium channel is formed, and an air and cooling liquid channel is formed outside.
Preferably, the fin-tube evaporative multi-working-condition heat exchanger comprises any one of a tube plate, a fin plate, a first collecting tube, a second collecting tube, a first pressure switch, a second pressure switch, a liquid storage tank, a temperature sensor, a water suction pump, a water distribution device collecting tube, a water distribution port, an online filtering device, a blowdown electric valve, an automatic water replenishing electric valve and a heat exchange fan;
the first collecting pipe is provided with a first pressure switch, the second collecting pipe is provided with a second pressure switch, the first pressure switch and the second pressure switch are electrically connected with an external heat exchange fan, and the heat exchange fan drives air to flow from bottom to top and pass through the surface of the finned tube heat exchanger;
liquid reserve tank one side is provided with the suction pump, and the suction pump communicates with each other through connecting tube and water distribution device collector, flows through finned tube heater surface in proper order through the water distribution mouth, and the on-line filter equipment inflow liquid reserve tank is crossed to the back warp after the heat transfer, electric connection between temperature sensor and suction pump, automatic water supply motorised valve, the blowdown motorised valve.
An air conditioning unit comprises a compressor unit comprising a multi-working-condition finned tube type evaporative heat exchanger, a four-way reversing valve, an oil separator, a filter, an expansion valve, an evaporator and a vapor-liquid separator;
the exhaust heat exchange medium of the compressor is communicated with the first collecting pipe of the finned tube heat exchanger through the oil separator and the four-way reversing valve, and is connected to a suction inlet of the air compressor through the second collecting pipe, the filter, the expansion valve, the evaporator, the four-way reversing valve and the vapor-liquid separator.
(III) advantageous effects
Compared with the prior art, the invention provides a multi-working-condition finned tube type evaporative heat exchanger, which has the following beneficial effects:
1. the multi-working-condition finned tube type evaporative heat exchanger is characterized in that a compressor is connected with a first collecting tube through matching arrangement of the compressor and an evaporator, a plurality of groups of heat exchange finned tubes and an expansion valve, the evaporator is connected with a second collecting tube through a throttling device, a temperature sensor senses the temperature of a liquid storage box, then the heat exchange is controlled to be started through a controller, when the temperature is not too high, a water pump is only required to be started for heat exchange, when the temperature is too low, the water pump is closed, a heat exchange fan is started to increase the running frequency of the fan, no evaporated liquid exists in the liquid storage box or the finned tube radiator, all-air heat exchange is carried out, and the finned plates and tube plates are cooled; when the temperature is higher, the water suction pump and the heat exchange fan are simultaneously started, a large amount of evaporating liquid is filled to quickly cool the finned tube type heat exchanger, the heat dissipation capability can be adjusted according to different temperatures of the environment, the waste of the evaporating liquid is reduced, the energy consumption of the compressor, the heat exchange fan and the water suction pump is reduced, and therefore the purpose of efficient replacement under multiple working conditions all year around is achieved.
2. According to the multi-working-condition fin-tube type evaporative heat exchanger, the online filtering device is arranged, deposited dirt after cooling liquid evaporation and dust in air can be filtered in time when the heat exchanger is used, continuous water flow on the heat exchange surface is guaranteed during refrigeration in summer, and the purposes of preventing the surface of a fin tube from being infected with dust and reducing scaling and heat exchange capacity are achieved.
3. The groove is formed in the upper side of the liquid storage box, the clamping plate is connected with the end of the filter cover, the clamping block is fixedly connected with the inner top wall of the groove, the surface of the clamping plate is provided with a protruding block matched with the clamping block, and the clamping block is abutted to the protruding block. The installation is simply accomplished, has reached the purpose of easy to assemble dismantlement.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a tube sheet; 2. a fin plate; 3. a heat exchange fan; 4. a liquid storage tank; 5. a water pump; 6. a header of the water distribution device; 7. a water distribution port; 8. a first header; 9. a second header; 11. a temperature sensor; 12. a line filtration device; 13. a second pressure switch; 14. a first pressure switch; 15. a blowdown electric valve; 16. an automatic water replenishing electric valve; 17. a compressor; 18. a four-way reversing valve; 19. an oil separator; 20. an evaporator; 21. a filter; 22. an expansion valve; 23. a vapor-liquid separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a multi-operating mode finned tube type evaporative heat exchanger comprises an air conditioner, a tube plate 1 is installed inside fin plates 2, six tube plates 1 are longitudinally arranged in each group, the middle of each group of fin plates 2 is arranged in an inserting mode and is sequentially arranged in parallel, multiple groups of fin plates 2 are sequentially arranged, the tube plates 1 and the fin plates 2 are connected in an inserting mode to form an inner closed medium channel, an air and cooling liquid channel is formed outside, a first collecting pipe 8 is arranged on the upper side of one end of the tube plate 1, a second collecting pipe 9 is arranged on the lower side of the tube plate 1, a first pressure switch 14 is arranged on the first collecting pipe 8, a second pressure switch 13 is arranged on the second collecting pipe 9, multiple groups of radiating tube plates 1 are arranged, the right lower ends of the multiple groups of radiating tube plates 1 are connected to the second collecting pipe 9 in parallel to form an inner closed channel, a second pressure switch 13 is arranged on the second collecting pipe 9, the second header 9 is communicated with an evaporator 20, a filter 21, an expansion valve 22 and a vapor-liquid separator 23 are arranged in the middle, the upper right ends of a plurality of groups of radiating tube plates 1 are connected in parallel to the first header 8 to form an internal closed heat exchange channel, a first pressure switch 14 is arranged, the first header 8 is communicated with a compressor 17, an oil separator 19 and a four-way reversing valve 18 are arranged in the middle, air and refrigerating liquid channels are uniformly arranged on the tube plates 1 and the fin plates 2 from top to bottom and from left to right, and a closed medium channel is formed in the fin plates 2; the water suction pump 5 is communicated with a water distribution device header 6, the water distribution device header 6 is provided with a water distribution port 7, a heat exchange fan 3 is arranged above the water distribution device header 6, a liquid storage tank 4 is arranged below the tube plate 1, the liquid storage tank 4 is communicated with the bottom of the water suction pump 5 and is provided with a blowdown electric valve 15, an online filtering device 12 is arranged at the upper end of the liquid storage tank 4, the online filtering device 12 is arranged at the top of the liquid storage tank 4, the online filtering device 12 is detachably connected with the liquid storage tank 4, an automatic water replenishing electric valve 16 is arranged at the left side of the liquid storage tank 4, a temperature sensor 11 is arranged at the right side of the liquid storage tank 4, a temperature sensor 11 is arranged on the inner wall of the liquid storage tank 4, the water suction pump 5, the automatic water replenishing electric valve 16 and the blowdown electric valve 15 are arranged at the sensing end of the temperature sensor 11, the temperature sensor 11 is electrically connected with the external heat exchange fan 3 through the water distribution device header 6 and the water distribution port 7 through a lead wire, the finned tube evaporation type multi-working-condition heat exchanger comprises a tube plate 1, a finned plate 2, a first collecting tube 8, a second collecting tube 9, a first pressure switch 14, a second pressure switch 13, a liquid storage tank 4, a temperature sensor 11, a water suction pump 5, a water distribution device collecting tube 6, a water distribution port 7, an online filtering device 12, a blowdown electric valve 15, an automatic water supply electric valve 16 and any one finned tube evaporation type multi-working-condition heat exchanger in a heat exchange fan 3, wherein the first collecting tube 8 is provided with the first pressure switch 14, the second collecting tube 9 is provided with the second pressure switch 13 and is electrically connected with an external heat exchange fan 3, and the heat exchange fan 3 drives air to flow from bottom to top and pass through the surface of the finned tube type heat exchanger; a water suction pump 5 is arranged on one side of the liquid storage tank 4, the water suction pump 5 is communicated with a water distribution device header 6 through a connecting pipeline, the water flows through the surface of the finned tube heater sequentially through a water distribution port 7, the water flows into the liquid storage tank 4 through an online filtering device 12 after heat exchange, and the temperature sensor 11 is electrically connected with the water suction pump 5, an automatic water replenishing electric valve 16 and a sewage discharge electric valve 15.
An air conditioning unit comprises a compressor unit comprising a multi-working-condition finned tube type evaporative heat exchanger, a four-way reversing valve 18, an oil separator 19, a filter 21, an expansion valve 22, an evaporator 20 and a vapor-liquid separator 23; the exhaust heat exchange medium of the compressor 17 is communicated with the first header 8 of the finned tube heat exchanger through an oil separator 19 and a four-way reversing valve 18, and is connected to a suction inlet of the compressor 17 through a second header 9, a filter 21, an expansion valve 22, an evaporator 20, the four-way reversing valve 18 and a vapor-liquid separator 23.
In conclusion, the multi-working-condition fin-tube type evaporative heat exchanger is characterized in that the compressor 17, the evaporator 20, the multiple groups of fin plates 2, the multiple groups of tube plates 1 and the expansion valve 22 are arranged in a matched mode, the compressor 17 is connected with the first collecting pipe 8, the evaporator 20 is connected with the second collecting pipe 9 through the expansion valve 22, the temperature sensor 11 senses the temperature of the liquid storage tank 4, then the heat exchange is controlled to be started through the controller, when the temperature is not too high, the water suction pump 5 is only required to be started for heat exchange, when the temperature is too low, the water suction pump is closed, the heat exchange fan 3 is started to increase the running frequency of the fan, so that no evaporated liquid exists in the liquid storage tank or the fin-tube radiator, the whole air heat exchange is carried out, and the fin plates 2 and the tube plates 1 are cooled; when the temperature is higher, the water pump 5 and the heat exchange fan 3 are simultaneously started, a large amount of evaporating liquid is filled to quickly cool the finned tube heat exchanger, the heat dissipation capacity is adjusted according to different temperatures of the environment, the waste of the evaporating liquid is reduced, the energy consumption of the compressor 17, the heat exchange fan 3 and the water pump 5 is reduced, and therefore the purpose of efficient multi-working-condition heat exchange all year around is achieved; according to the multi-working-condition fin-tube type evaporative heat exchanger, through the arrangement of the online filtering device 12, deposited dirt and dust in air after cooling liquid evaporation can be filtered timely when the heat exchanger is used, continuous water flow on the heat exchange surface is ensured during refrigeration in summer, and the purposes of preventing the surfaces of the fin plate 2 and the tube plate 1 from being contaminated by dust and reducing scaling and heat exchange capacity are achieved; the groove is formed in the upper side of the liquid storage box 4, the clamping plate is connected with the end of the filter cover, the clamping block is fixedly connected with the inner top wall of the groove, the surface of the clamping plate is provided with a protruding block matched with the clamping block, and the clamping block is abutted to the protruding block. The installation is simply accomplished, has reached the purpose of easy to assemble dismantlement.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A multi-working condition finned tube type evaporative heat exchanger comprises an air conditioner and is characterized in that: the tube plate (1) is arranged in the fin plate (2), a first collecting pipe (8) is arranged on the upper side of one end of the tube plate (1), a second collecting pipe (9) is arranged on the lower side of the tube plate (1), a first pressure switch (14) is arranged on the first collecting pipe (8), a second pressure switch (13) is arranged on the second collecting pipe (9), air and refrigerating liquid channels are uniformly arranged on the tube plate (1) and the fin plate (2) from top to bottom, left to right, and the inside of the fin plate (2) forms a closed medium channel; suction pump (5) are linked together with water distribution device collector (6), water distribution device collector (6) are provided with water distribution mouth (7), the top of water distribution device collector (6) is equipped with heat transfer fan (3), the below of tube sheet (1) is equipped with liquid reserve tank (4), liquid reserve tank (4) are linked together with the bottom of suction pump (5) to be provided with blowdown motorised valve (15), liquid reserve tank (4) upper end is provided with on-line filter equipment (12), the left side of liquid reserve tank (4) is equipped with automatic water supply motorised valve (16), the right side of liquid reserve tank (4) is provided with temperature sensor (11).
2. The evaporative heat exchanger of claim 1, wherein: the heat dissipation tube plate (1) is provided with a plurality of groups, the fin plate (2) is provided with a plurality of groups, the right lower ends of the plurality of groups of heat dissipation tube plates (1) are connected in parallel to the second collecting tube (9) to form an internal closed channel, the second collecting tube (9) is provided with a second pressure switch (13), the second collecting tube (9) is communicated with the evaporator (20), the middle of the second collecting tube is provided with a filter (21), an expansion valve (22) and a vapor-liquid separator (23), the right upper ends of the plurality of groups of heat dissipation tube plates (1) are connected in parallel to the first collecting tube (8) to form an internal closed heat exchange channel, the first pressure switch (14) is arranged, the first collecting tube (8) is communicated with the compressor (17), and the middle of the first collecting tube is provided with an oil separator (19) and a four-way reversing valve (18).
3. The evaporative heat exchanger of claim 1, wherein: temperature sensor (11) are installed to the inner wall of liquid reserve tank (4), the response end of temperature sensor (11) is provided with suction pump (5), automatic water supply motorised valve (16), blowdown motorised valve (15), temperature sensor (11) are through wire via water distribution device header (6), water distribution mouth (7) and outside heat exchange fan (3) electric connection.
4. The evaporative heat exchanger of claim 1, wherein: each group of the tube plate (1) is longitudinally provided with six tubes, the middle of each group of the fin plates (2) is inserted and arranged in sequence and is arranged in parallel, and the fin plates (2) are sequentially provided with a plurality of groups.
5. The evaporative heat exchanger of claim 1, wherein: the online filtering device (12) is arranged at the top of the liquid storage tank (4), and the online filtering device (12) is detachably connected with the liquid storage tank (4).
6. The evaporative heat exchanger of claim 1, wherein: the tube plate (1) and the fin plate (2) are connected in an inserting mode, an inner closed medium channel is formed, and an air and cooling liquid channel is formed outside.
7. The evaporative heat exchanger of claim 1, wherein: the fin tube evaporation type multi-working-condition heat exchanger comprises any one of a tube plate (1), a fin plate (2), a first collecting tube (8), a second collecting tube (9), a first pressure switch (14), a second pressure switch (13), a liquid storage tank (4), a temperature sensor (11), a water suction pump (5), a water distribution device collecting tube (6), a water distribution port (7), an online filtering device (12), a blowdown electric valve (15), an automatic water supplementing electric valve (16) and a heat exchange fan (3);
a first pressure switch (14) is arranged on the first collecting pipe (8), a second pressure switch (13) is arranged on the second collecting pipe (9), and the first pressure switch and the second pressure switch are electrically connected with an external heat exchange fan (3), and the heat exchange fan (3) drives air to flow from bottom to top and pass through the surface of the finned tube heat exchanger;
liquid reserve tank (4) one side is provided with suction pump (5), and suction pump (5) communicate with each other through connecting tube and water distribution device header (6), flow through finned tube heater surface in proper order through water distribution mouth (7), and the heat transfer back is through flowing through on-line filter equipment (12) and flowing into liquid reserve tank (4), electric connection between temperature sensor (11) and suction pump (5), automatic moisturizing motorised valve (16), blowdown motorised valve (15).
8. An air conditioning unit characterized by: comprises a compressor unit comprising a multi-working-condition finned tube type evaporative heat exchanger, a four-way reversing valve (18), an oil separator (19), a filter (21), an expansion valve (22), an evaporator (20) and a vapor-liquid separator (23);
the exhaust heat exchange medium of the compressor (17) is communicated with the first collecting pipe (8) of the finned tube heat exchanger through an oil separator (19) and a four-way reversing valve (18), and is connected to a suction inlet of the compressor (17) through a second collecting pipe (9), a filter (21), an expansion valve (22), an evaporator (20), the four-way reversing valve (18) and a vapor-liquid separator (23).
CN202210159398.8A 2022-02-22 2022-02-22 Multi-working-condition finned-tube evaporative heat exchanger Pending CN114459175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210159398.8A CN114459175A (en) 2022-02-22 2022-02-22 Multi-working-condition finned-tube evaporative heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210159398.8A CN114459175A (en) 2022-02-22 2022-02-22 Multi-working-condition finned-tube evaporative heat exchanger

Publications (1)

Publication Number Publication Date
CN114459175A true CN114459175A (en) 2022-05-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210159398.8A Pending CN114459175A (en) 2022-02-22 2022-02-22 Multi-working-condition finned-tube evaporative heat exchanger

Country Status (1)

Country Link
CN (1) CN114459175A (en)

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