CN217876556U

CN217876556U - Multi-working-condition finned tube type heat exchanger

Info

Publication number: CN217876556U
Application number: CN202220351003.XU
Authority: CN
Inventors: 邱柳青
Original assignee: Hunan Pusius Technology Co ltd
Current assignee: Hunan Pusius Technology Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-11-22
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a multiplex condition finned tube type heat exchanger, including air conditioner and tube sheet, the tube sheet is installed in the inside of finned plate, the one end upside of tube sheet is provided with first collector, the tube sheet downside is provided with the second collector, be provided with first pressure switch on the first collector, be provided with the second pressure switch on the second collector, tube sheet and finned plate outside are provided with air and freezing liquid passageway from top to bottom about evenly, just the finned plate inside forms closed medium passageway; the water suction pump is communicated with a collecting pipe of the water distribution device. This multiplex condition finned tube type heat exchanger sets up through the cooperation of compressor and evaporimeter, multiunit heat transfer finned tube, expansion valve, and the compressor is connected with first collector, and the evaporimeter passes through throttling arrangement and is connected with the second collector, and temperature sensor responds to the liquid reserve tank temperature after, then opens through controller control heat transfer, and when the temperature was not too high, only need open the suction pump heat transfer, the suction pump was closed when the temperature was crossed lowly.

Description

Multi-working-condition finned tube type heat exchanger

Technical Field

The utility model relates to an air conditioner technical field specifically is a multiplex condition finned tube type 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: 1. most of the plates or pipes can only provide refrigeration in summer and can not heat; 2. the heat exchange capability of the heating heat exchanger in winter is poor, the air condenser needs to be added, the size is large, the cost is high, and the antifreeze solution needs to be added, so that the corrosion is large, the volatility is high, and the cost is high. 4. The evaporative heat exchanger is easy to block a water spreading port in the operation process, so that dry spots exist on the heat exchange surface, the heat exchange capability is reduced, and the problems that welding points exist on the surfaces of heat exchange plates or tubes, the corrosion is easy, the maintenance cost is high and the service life is short are solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a multi-working-condition finned tube type heat exchanger, which has the capabilities of all-working-condition efficient refrigeration and heating regulation and heat exchange, and the heat exchange surface has no welding point, and the air-cooled condenser is not required to be added in 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 above purpose, the utility model provides a following technical scheme: a multi-working-condition finned tube type heat exchanger comprises an air conditioner and a tube plate, wherein the tube plate is installed inside 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, the finned plate and the outer portion of the finned plate from top to bottom, left to right, and a closed medium channel is formed inside 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 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 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 tube plates are connected in parallel to the first collecting pipe to form an internal closed heat exchange channel and provided with a first pressure switch, 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 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 both 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 online filter equipment of the back warp flow of heat transfer flows in the liquid reserve tank, electric connection between temperature sensor and suction pump, automatic water supply motorised valve, the blowdown motorised valve.

The 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 the suction inlet of the 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 utility model provides a multiplex condition finned tube type heat exchanger possesses following beneficial effect:

1. the multi-working-condition finned tube type 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 and then controls the heat exchange 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, full air heat exchange is carried out, and 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. This multiplex condition finned tube type heat exchanger through online filter equipment's setting, can in time filter the dirt of the sediment after the coolant liquid evaporation and the dust in the air when using, guarantees that there is continuous rivers on heat transfer surface when the refrigeration in summer, has reached and has prevented that finned tube surface from being infected with the dust, reduces scale deposit and heat transfer ability's purpose.

3. The groove is formed in the upper side of the liquid storage box, the clamping plate is connected with the end of the filtering 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 water distribution device header; 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 described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, a multi-operating mode finned tube heat exchanger comprises an air conditioner, wherein 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 manner and are 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 manner 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, the tube plates 1 are provided with multiple groups, the fin plates 2 are provided with a plurality of groups, the right lower ends of the multiple groups of tube plates 1 are all connected in parallel to the second collecting pipe 9 to form an internal closed channel, the second collecting pipe 9 is provided with a second pressure switch 13, the second collecting pipe 9 is communicated with the evaporator 20, the middle of the second collecting pipe is provided with a filter 21, an expansion valve 22 and a vapor-liquid separator 23, the right upper ends of the multiple groups of tube plates 1 are connected in parallel to the first collecting pipe 8 to form an internal closed heat exchange channel, the first collecting pipe 8 is communicated with the compressor 17, the middle of the first collecting pipe is provided with an oil separator 19 and a four-way reversing valve 18, air and frozen liquid channels are uniformly arranged on the outer parts of 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 a 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, the upper end of the liquid storage tank 4 is provided with an online filtering device 12, 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, the left side of the liquid storage tank 4 is provided with an automatic water replenishing electric valve 16, the right side of the liquid storage tank 4 is provided with a temperature sensor 11, the inner wall of the liquid storage tank 4 is provided with a temperature sensor 11, the sensing end of the temperature sensor 11 is provided with a water suction pump 5, an automatic water replenishing electric valve 16 and a blowdown electric valve 15, the temperature sensor 11 is electrically connected with an external heat exchange fan 3 through the water distribution device header 6 and the water distribution port 7 by leads, the heat exchange fan 3, the tube comprises the tube plate 1, a fin plate 2, a first header 8, a second header 9, a first pressure switch 14, a second pressure switch 13, a heat exchange fan is arranged on the heat exchanger, and an evaporative heat exchange fan 13 is arranged on the upper heat exchanger, the heat exchanger is electrically connected with the heat exchanger, and an evaporative heat exchanger, the heat exchanger is arranged on the heat exchanger, and is arranged on the heat exchanger; 4 one sides of liquid reserve tank are provided with suction pump 5, and suction pump 5 communicates with each other through connecting tube and water distribution device header 6, flows through finned tube heater surface through water distribution mouth 7 in proper order, and the heat transfer back is through flowing through online filter 12 and flowing into liquid reserve tank 4, electric connection between temperature sensor 11 and suction pump 5, automatic water supply motorised valve 16, the blowdown motorised 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 the 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 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, no evaporated liquid exists in the liquid storage tank or the fin-tube radiator, the total 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 finned tube type heat exchanger, the online filtering device 12 is arranged, so that deposited dirt and dust in air after cooling liquid evaporation can be filtered in time 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 finned plates 2 and the tube plates 1 from being contaminated by dust and reducing scaling and heat exchange capacity are achieved; according to the multi-working-condition fin-tube type evaporative heat exchanger, the groove is formed in the upper side of the liquid storage tank 4, the clamping plate is connected with the end of the filtering cover, the clamping block is fixedly connected with the inner top wall of the groove, the surface of the clamping plate is provided with the convex block matched with the clamping block, and the clamping block is abutted to the convex block. The installation is simply accomplished, has reached the purpose of easy to assemble dismantlement.

It should be noted that, in this document, relational terms such as first and second, and the like are 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

1. The utility model provides a multiplex condition finned tube type heat exchanger, includes air conditioner and tube sheet (1), its 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; the utility model discloses a water distributor, including tube plate (1), the below of tube sheet (1) is equipped with liquid reserve tank (4), liquid reserve tank (4) and the bottom of suction pump (5) are linked together to be provided with blowdown motorised valve (15), liquid reserve tank (4) upper end is provided with online 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), the response end of temperature sensor (11) is provided with suction pump (5), suction pump (5) are linked together with water distributor header (6), water distributor header (6) are provided with water distribution mouth (7), the top of water distributor header (6) is equipped with heat transfer fan (3).

2. The multi-operating-condition finned tube heat exchanger of claim 1, wherein: the heat exchanger is characterized in that multiple groups of tube plates (1) are arranged, the fin plates (2) are arranged in multiple numbers, the right lower ends of the multiple groups of tube plates (1) are connected in parallel to a second collecting pipe (9) to form an internal closed channel, a second pressure switch (13) is arranged on the second collecting pipe (9), the second collecting pipe (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 of the second collecting pipe, the right upper ends of the multiple groups of tube plates (1) are connected in parallel to a first collecting pipe (8) to form an internal closed heat exchange channel, a first pressure switch (14) is arranged in the middle of the first collecting pipe (8), the first collecting pipe is communicated with a compressor (17), and an oil separator (19) and a four-way reversing valve (18) are arranged in the middle of the first pressure switch.

3. The multi-operating-condition finned tube 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 supplementing motorised valve (16), blowdown motorised valve (15), temperature sensor (11) are through wire via water distribution device collector (6), water distribution mouth (7) and outside heat exchange fan (3) electric connection.

4. The multi-operating-condition finned tube 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 alternately arranged and is sequentially arranged in parallel, and the fin plates (2) are sequentially provided with a plurality of groups.

5. The multi-operating-condition finned tube 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 multi-operating-condition finned tube 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 multi-operating-condition finned tube heat exchanger of any one of claims 1 to 6, wherein: 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 both 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;

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).