CN219083033U - Flash tank - Google Patents

Abstract

The utility model relates to the technical field of flash tanks, in particular to a flash tank, and aims to solve the problems of poor flash effect and small flash quantity of the existing flash tank. The flash tank comprises a tank body, a heat exchange assembly, a spraying assembly and a water supplementing pipeline, wherein a water storage cavity and a steam cavity are formed in the tank body, a steam outlet communicated with the steam cavity is formed in the tank body, the spraying assembly is arranged in the water storage cavity, the water supplementing pipeline is communicated with the water storage cavity through the spraying assembly, the heat exchange assembly comprises at least one part of heat exchange pipes arranged in the water storage cavity, a refrigerant circulates in the heat exchange pipes, and the spraying assembly can spray water to the heat exchange pipes so that at least one part of water forms steam to enter the steam cavity. On the basis of flash evaporation of part of water, the utility model heats the other part of water by the refrigerant flowing in the heat exchange tube, thereby improving the steam quantity; in addition, spray the subassembly and spray the area of contact that can increase water and heat exchange tube to the heat exchange tube with water, improve the heat transfer effect, further increase steam volume.

Description

Flash tank

Technical Field

The utility model relates to the technical field of flash tanks, and particularly provides a flash tank.

Background

The energy is the power for the world economic development, and in the industrial production process, especially in the industrial production processes of chemical industry, food industry, printing and dyeing and the like, a large amount of energy is directly discharged in the form of waste heat after the energy is consumed, so that huge energy waste is caused. The high-temperature heat pump steam system using industrial waste heat as a heat source is an important technology for realizing electric energy replacement, and can effectively reduce energy cost, wherein the flash tank is an indispensable component in the high-temperature heat pump steam system, and can flash the entered water into steam for industrial use. However, the existing flash tank usually only allows water to enter the tank body and then is subjected to flash evaporation, and the setting mode cannot effectively ensure the flash evaporation amount of the water entering the tank body under the condition of high steam demand, so that the flash evaporation effect is poor and the normal operation of the industrial production process cannot be effectively ensured.

Accordingly, there is a need in the art for a new flash tank to address the above-described technical problems.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing flash tank has poor flash evaporation effect and small flash evaporation amount.

The utility model provides a flash tank, which comprises a tank body, a heat exchange assembly, a spraying assembly and a water supplementing pipeline, wherein a water storage cavity and a steam cavity are formed in the tank body, a steam outlet is formed in the tank body and communicated with the steam cavity, the spraying assembly is arranged in the water storage cavity, the water supplementing pipeline is communicated with the water storage cavity through the spraying assembly, the heat exchange assembly comprises a heat exchange pipe, at least one part of the heat exchange pipe is arranged in the water storage cavity, a refrigerant circulates in the heat exchange pipe, and the spraying assembly is arranged to spray water in the water supplementing pipeline to the heat exchange pipe so that at least one part of water forms steam to enter the steam cavity.

In the preferred technical scheme of the flash tank, the spraying assembly comprises a spraying main body and a spraying member, a water spraying channel communicated with the water supplementing pipeline is formed in the spraying main body, the spraying member is arranged on the spraying main body, and spraying holes are formed in the spraying member so as to spray water to the heat exchange pipe.

In the preferable technical scheme of the flash tank, the number of the spraying members is plural, and the plurality of spraying members are uniformly arranged on the spraying main body.

In the preferable technical scheme of the flash tank, the number of the spraying holes is multiple, and the spraying holes are uniformly distributed on the spraying member.

In the preferred technical scheme of the flash tank, the flash tank further comprises a water blocking member, wherein the water blocking member is arranged between the water storage cavity and the steam cavity, and the water blocking member is arranged to only allow steam in the water storage cavity to enter the steam cavity.

In the preferred technical scheme of the flash tank, the flash tank further comprises a water return pipeline, the tank body is further provided with a water return port, the water return port is communicated with the water storage cavity, one end of the water return pipeline is connected with the water return port, and the other end of the water return pipeline is connected with the water supplementing pipeline.

In the preferable technical scheme of the flash tank, a circulating water pump is arranged on the water return pipeline.

In the preferred technical scheme of the flash tank, the water supplementing pipeline is provided with a water mixing valve, and the water mixing valve is arranged at the joint of the water return pipeline and the water supplementing pipeline.

In the preferred technical scheme of the flash tank, the heat exchange assembly further comprises a first end socket and a second end socket, a first refrigerant transition cavity is formed in the first end socket, a second refrigerant transition cavity is formed in the second end socket, a refrigerant inlet is formed in the first end socket, a refrigerant outlet is formed in the second end socket, the refrigerant inlet is communicated with the first refrigerant transition cavity, the refrigerant outlet is communicated with the second refrigerant transition cavity, the number of heat exchange tubes is multiple, and two ends of each heat exchange tube are respectively communicated with the first refrigerant transition cavity and the second refrigerant transition cavity.

In the preferred technical scheme of the flash tank, the heat exchange assembly further comprises a first end socket, a second end socket and a baffle, a first refrigerant transition cavity and a second refrigerant transition cavity are formed in the first end socket, the baffle is arranged between the first refrigerant transition cavity and the second refrigerant transition cavity, a third refrigerant transition cavity is formed in the second end socket, a refrigerant inlet and a refrigerant outlet are formed in the first end socket, the refrigerant inlet is communicated with the first refrigerant transition cavity, the refrigerant outlet is communicated with the second refrigerant transition cavity, the number of heat exchange tubes is multiple, two ends of at least one part of the heat exchange tubes are respectively communicated with the first refrigerant transition cavity and the third refrigerant transition cavity, and two ends of at least one part of the heat exchange tubes are respectively communicated with the third refrigerant transition cavity and the second refrigerant transition cavity.

Under the condition that the technical scheme is adopted, the flash tank comprises a tank body, a heat exchange assembly, a spraying assembly and a water supplementing pipeline, wherein a water storage cavity and a steam cavity are formed in the tank body, a steam outlet is formed in the tank body, the steam outlet is communicated with the steam cavity, the spraying assembly is arranged in the water storage cavity, the water supplementing pipeline is communicated with the water storage cavity through the spraying assembly, the heat exchange assembly comprises a heat exchange pipe, at least one part of the heat exchange pipe is arranged in the water storage cavity, a refrigerant circulates in the heat exchange pipe, and the spraying assembly is arranged to spray water in the water supplementing pipeline to the heat exchange pipe so that at least one part of water forms steam to enter the steam cavity. Based on the structural arrangement, at least one part of the heat exchange tube of the heat exchange assembly is arranged in the water storage cavity, so that on the basis of flash evaporation of part of water entering the tank body, part of water entering the tank body is further heated by the refrigerant flowing in the heat exchange tube, and the steam quantity generated by the flash evaporation tank is improved; in addition, the spray assembly sprays water to the heat exchange tube, so that the contact area between the water entering the tank body and the heat exchange tube can be effectively increased, the heat exchange effect of the heat exchange tube and the water is improved, and the steam quantity generated by the flash tank is further effectively increased.

Drawings

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of a flash tank according to a first preferred embodiment of the present utility model;

FIG. 2 is a schematic structural view of a flash tank according to a second preferred embodiment of the present utility model;

FIG. 3 is a schematic view of the spray assembly of the present utility model;

FIG. 4 is a schematic view showing an arrangement of a plurality of heat exchange tubes according to the present utility model;

reference numerals:

1. a tank body; 11. a water storage chamber; 12. a steam chamber; 13. a steam outlet; 14. a water return port;

2. a heat exchange assembly; 21. a heat exchange tube; 22. a first end socket; 23. a second end socket; 24. a first refrigerant transition chamber; 25. a second refrigerant transition chamber; 26. a refrigerant inlet; 27. a refrigerant outlet; 28. a third refrigerant transition chamber; 29. a baffle;

3. a spray assembly; 31. a spray body; 32. a spray member; 321. spraying holes;

4. a water supplementing pipeline; 41. a water mixing valve;

5. a water blocking member;

6. a water return line; 61. and (3) a water pump.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art can adapt it as desired to suit a particular application. For example, the present utility model is not limited in any way to the specific application of the flash tank, which may be used in the printing industry, in the food processing industry, and in the chemical industry, which are not limiting, and may be set by those skilled in the art according to the actual application requirements, and the specific application may be changed without departing from the basic principle of the present utility model, which falls within the scope of protection of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "medium," "upper," "lower," "left," "right," and the like refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the structures must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, either a fixed connection or a removable connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Based on the problems of poor flash evaporation effect and small flash evaporation amount of the existing flash evaporation tank in the background technology, the utility model provides a novel flash evaporation tank, and aims to effectively improve the flash evaporation effect and the flash evaporation amount of the flash evaporation tank.

First preferred embodiment

Referring first to fig. 1, fig. 1 is a schematic structural view of a flash tank according to a first preferred embodiment of the present utility model. As shown in fig. 1, the flash tank of the utility model comprises a tank body 1, a heat exchange assembly 2, a spray assembly 3 and a water supplementing pipeline 4, wherein a water storage cavity 11 and a steam cavity 12 are formed in the tank body 1, a steam outlet 13 is arranged on the tank body 1, the steam outlet 13 is communicated with the steam cavity 12, the spray assembly 3 is arranged in the water storage cavity 11, and the water supplementing pipeline 4 is communicated with the water storage cavity 11 through the spray assembly 3; the heat exchange assembly 2 comprises a heat exchange tube 21, at least one part of the heat exchange tube 21 is arranged in the water storage cavity 11, a refrigerant circulates in the heat exchange tube 21, and the spraying assembly 3 is arranged to spray water in the water supplementing pipeline 4 to the heat exchange tube 21 so that at least one part of the water forms steam to enter the steam cavity 12.

It should be noted that the specific shape of the tank 1 is not limited in the present utility model, and the tank 1 may be cylindrical, rectangular, or irregular, and in the preferred embodiment, the overall shape of the tank 1 is cylindrical, so that steam generated in the water storage chamber 11 can quickly enter the steam chamber 12. In addition, it should be noted that the specific structures of the spray assembly 3 and the heat exchange assembly 2 are not limited in the present utility model, so long as the spray assembly 3 can spray water onto the heat exchange tube 21, the heat exchange assembly 2 can heat a part of water entering the tank 1, and a person skilled in the art can set the water according to the actual situation.

Preferably, referring to fig. 1 and 3, fig. 3 is a schematic structural view of the spray assembly of the present utility model. As shown in fig. 1 and 3, the spray assembly 3 includes a spray body 31 and a spray member 32, a water spray passage (not shown) communicating with the water supply pipe 4 is formed in the spray body 31, the spray member 32 is provided on the spray body 31, and spray holes 321 are provided on the spray member 32 to spray water to the heat exchange pipe 21.

It should be noted that the specific structures of the spray body 31 and the spray member 32 are not limited in the present utility model, and those skilled in the art can set the structure according to the actual situation. For example, the spray body 31 may be a plastic hose, and the spray member 32 is a faucet-shaped spray head to spray water to the heat exchange tube 21. In the preferred embodiment, the spray body 31 is of a tubular structure, the spray member 32 is embedded in the spray body 31, and the spray member 32 is arranged on one side of the spray body 31 close to the heat exchange tube 21, the spray member 32 is in a funnel shape as a whole, and the spray holes 321 are arranged on the plane side of the funnel-shaped spray member 32 so as to spray water to the heat exchange tube 21. Of course, it will be understood by those skilled in the art that the arrangement of the spraying member 32 is not limited, and the spraying holes 321 may be directly formed on the spraying body 31, so long as the spraying assembly 3 can spray water onto the heat exchange tube 21 to increase the flash evaporation amount of the flash tank, and those skilled in the art can set the flash evaporation amount according to practical situations.

Further, as shown in fig. 1 and 3, the number of the spray members 32 is six, and the six spray members 32 are uniformly disposed on the spray body 31; the arrangement of the spraying member 32 can increase the spraying effect of the spraying assembly 3, and further can further increase the contact area of water and the heat exchange tube 21. In addition, the quantity of spray holes 321 is a plurality of, and a plurality of spray holes 321 evenly distributed are on spray member 32 to effectively increase the area of contact of water and heat exchange tube 21, improve the heat transfer effect, and then effectively improve the flash distillation volume of flash tank satisfies the demand of industrial production process.

It should be noted that the specific number, specific shape and specific arrangement position of the spraying members 32 and the spraying holes 321 are not limited, the number of the spraying members 32 may be four, five, eight or even more, and the spraying holes 321 may be unevenly distributed on the spraying members 32 according to actual needs, and those skilled in the art may set themselves according to actual situations.

With continued reference to fig. 1, the flash tank of the present utility model further comprises a water blocking member 5, the water blocking member 5 being arranged between the water storage chamber 11 and the steam chamber 12, and the water blocking member 5 being arranged to allow only steam in the water storage chamber 11 to enter the steam chamber 12. The water retaining member 5 can effectively prevent the water that sprays the component 32 and splash and produce because of striking in the water spray process to heat exchange tube 21 from getting into steam chamber 12, can effectively guarantee only that vapor from water storage chamber 11 gets into steam chamber 12 in, guarantee the purity of the steam that flash tank produced, avoid getting into water and reducing the temperature of steam that produces because of steam chamber 12 in, and then effectively guarantee going on smoothly of industrial production process.

It will be appreciated by those skilled in the art that the specific structure of the water blocking member 5 is not limited, and for example, the water blocking member 5 may be a gas-liquid separator, or may be a structure with a polymer filtering membrane that only allows water vapor to pass through, which is not limited, so long as the water blocking member 5 can ensure that only the steam in the water storage chamber 11 is allowed to enter the steam chamber 12, and may be set by those skilled in the art according to the actual circumstances.

Further preferably, the flash tank further comprises a water return pipeline 6, the tank body 1 is further provided with a water return port 14, the water return port 14 is communicated with the water storage cavity 11, one end of the water return pipeline 6 is connected with the water return port 14, and the other end of the water return pipeline 6 is connected with the water supplementing pipeline 4. The water return pipeline 6 is provided with a water pump 61 so as to pump water from the water return port 14 into the water supplementing pipeline 4 and then into the water storage cavity 11 again. Of course, the specific type and specific structure of the water pump 61 is not limited, and may be a single rotor pump, a multi-rotor pump, a piston pump, or a diaphragm pump, as long as it can function as a pump to deliver water, which is set by one skilled in the art.

The arrangement of the water return pipeline 6 can effectively prevent excessive water from being stored in the water storage cavity 11, so that the water close to the lower part is prevented from entering the steam cavity through the water above even if the condition of changing the water into steam is reached; in addition, the water in the water storage cavity 11 is provided with a certain temperature, and enters the water supplementing pipeline 4 through the water return pipeline 6, so that the temperature of the water entering the tank body 1 can be regulated, the flash evaporation effect of the flash evaporation tank is further improved, and the flash evaporation amount is improved.

With continued reference to fig. 1, further, the water supplementing pipeline 4 is provided with a water mixing valve 41, and the water mixing valve 41 is disposed at the joint of the water returning pipeline 6 and the water supplementing pipeline 4. The water mixing valve 41 can adjust the water from the water return pipeline 6 and the water of the water supplementing pipeline 4 according to actual conditions so as to effectively meet the actual use requirements of the industrial production process. Of course, the particular type and configuration of mixing valve 41 is not limiting and can be set by one skilled in the art.

Referring next to fig. 1 and 4, fig. 4 is a schematic diagram of an arrangement of a plurality of heat exchange tubes according to the present utility model. As shown in fig. 1 and 4, the heat exchange assembly 2 of the present utility model further includes a first end enclosure 22 and a second end enclosure 23, a first refrigerant transition cavity 24 is formed in the first end enclosure 22, a second refrigerant transition cavity 25 is formed in the second end enclosure 23, a refrigerant inlet 26 is disposed on the first end enclosure 22, a refrigerant outlet 27 is disposed on the second end enclosure 23, the refrigerant inlet 26 is communicated with the first refrigerant transition cavity 24, the refrigerant outlet 27 is communicated with the second refrigerant transition cavity 25, the number of heat exchange tubes 21 is plural, and two ends of the heat exchange tubes 21 are respectively communicated with the first refrigerant transition cavity 24 and the second refrigerant transition cavity 25. Specifically, the heat exchange tube 21 is a straight tube, the first end enclosure 22 and the second end enclosure 23 are disposed opposite to each other along the central axis of the tank 1 (refer to the opposite left-right direction in fig. 1), the refrigerant entering through the refrigerant inlet 26 is mixed in the first refrigerant transition cavity 24 and then enters into the heat exchange tube 21, the refrigerant in the heat exchange tube 21 exchanges heat with the water sprayed onto the heat exchange tube 21 in the water storage cavity 11, flows into the second refrigerant transition cavity 25, and flows out through the refrigerant outlet 27, so as to complete the process of further increasing the flash evaporation amount of the flash tank.

The arrangement of the first refrigerant transition cavity 24 and the second refrigerant transition cavity 25 can effectively ensure that the refrigerant uniformly enters the heat exchange tube 21, ensure the uniformity degree of the heat exchange effect of the position where the heat exchange tube 21 is arranged in the water storage cavity 11, and ensure the heat exchange quality. Based on the above structure, the refrigerant flows in a single flow path in the tank 1 to meet the steam demand, and no very large industrial production process exists.

It should be noted that, the present utility model does not limit the specific structure, the number of the heat exchange tubes 21 and the arrangement manner, as shown in fig. 4, the cross section of each heat exchange tube 21 is circular, so as to facilitate the flow of the refrigerant, and the longitudinal section of the plurality of heat exchange tubes 21 is regular hexagon, so as to increase the contact area between water and the heat exchange tubes 21 by increasing the number of the heat exchange tubes 21, and increase the flash evaporation amount. Of course, the above arrangement is not limited, and the heat exchange tube 21 may be a coil, and the longitudinal section of the plurality of heat exchange tubes 21 may be a trapezoid, etc., which can be set by a person skilled in the art according to the actual situation.

Second preferred embodiment

The present preferred embodiment differs from the first preferred embodiment in the specific construction of the heat exchange assembly 2. Specifically, as shown in fig. 2 to 4, the heat exchange assembly 2 includes a heat exchange tube 21, a first end enclosure 22, a second end enclosure 23, and a baffle 29, a first refrigerant transition chamber 24 and a second refrigerant transition chamber 25 are formed in the first end enclosure 22, the baffle 29 is disposed between the first refrigerant transition chamber 24 and the second refrigerant transition chamber 25 to isolate the inner cavity of the first end enclosure 22 to form two refrigerant transition chambers, a third refrigerant transition chamber 28 is formed in the second end enclosure 23, a refrigerant inlet 26 and a refrigerant outlet 27 are disposed on the first end enclosure 22, the refrigerant inlet 26 is in communication with the first refrigerant transition chamber 24, the refrigerant outlet 27 is in communication with the second refrigerant transition chamber 25, the number of the heat exchange tubes 21 is multiple, two ends of at least a portion of the heat exchange tubes 21 are respectively in communication with the first refrigerant transition chamber 24 and the third refrigerant transition chamber 28, and two ends of at least a portion of the heat exchange tubes 21 are respectively in communication with the third refrigerant transition chamber 28 and the second refrigerant transition chamber 25.

Specifically, as shown in fig. 2, the baffle 29 isolates the four heat exchange tubes 21 located above and the three heat exchange tubes 21 located below into two parts, wherein two ends of the four heat exchange tubes 21 located above are respectively communicated with the first refrigerant transition chamber 24 and the third refrigerant transition chamber 28, and two ends of the three heat exchange tubes 21 located below are respectively communicated with the third refrigerant transition chamber 28 and the second refrigerant transition chamber 25. After entering the first refrigerant transition cavity 24 from the refrigerant inlet 26, the refrigerant enters the left ends of the four groups of heat exchange tubes 21 positioned above, flows to the right end and enters the third refrigerant transition cavity 28, and under the action of the driving force generated by the flow of the refrigerant, the refrigerant in the third refrigerant transition cavity 28 enters the heat exchange tubes 21 from the right ends of the three groups of heat exchange tubes 21 positioned below, flows to the left side, enters the second refrigerant transition cavity 25, and flows out through the refrigerant outlet 27. Based on the above arrangement, the flow of the refrigerant in the tank 1 is double flow, which prolongs the residence time of the refrigerant in the tank 1, so as to exchange heat with water fully, and improves the flash evaporation capacity of the flash evaporation tank, thereby being suitable for industrial production process with larger steam demand.

It will be appreciated by those skilled in the art that the specific configuration of the baffle 29 is not limiting, as long as the first refrigerant transition chamber 24 and the second refrigerant transition chamber 25 can be made independent; furthermore, the number of the baffle plates 29 that separate the heat exchange tubes 21 in particular and the manner of separation in particular are not limiting, for example, the baffle plates 29 may separate three groups of heat exchange tubes 21 above and four groups of heat exchange tubes 21 below; the number of baffles 29 may be more to separate more refrigerant transition chambers, so that the refrigerant can flow back and forth in the tank 1, and those skilled in the art can set the specific arrangement according to the actual situation, which is not limited in any way.

In addition, it should be noted that the specific use mode of the flash tank is not limited in the present utility model, and those skilled in the art can set the flash tank according to the actual situation.

Thus far, the technical solution of the present utility model has been described in connection with the alternative embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (10)

1. A flash tank is characterized by comprising a tank body, a heat exchange assembly, a spraying assembly and a water supplementing pipeline,

the tank body is internally provided with a water storage cavity and a steam cavity, the tank body is provided with a steam outlet which is communicated with the steam cavity, the spray assembly is arranged in the water storage cavity, the water supplementing pipeline is communicated with the water storage cavity through the spray assembly,

the heat exchange assembly comprises a heat exchange tube, at least one part of the heat exchange tube is arranged in the water storage cavity, a refrigerant circulates in the heat exchange tube, and the spraying assembly is arranged to spray water in the water supplementing pipeline to the heat exchange tube so that at least one part of water forms steam to enter the steam cavity.

2. The flash tank of claim 1, wherein the spray assembly comprises a spray body and a spray member,

the water spraying device is characterized in that a water spraying channel communicated with the water supplementing pipeline is formed in the spraying main body, the spraying component is arranged on the spraying main body, and spraying holes are formed in the spraying component so as to spray water to the heat exchange pipe.

3. The flash tank of claim 2, wherein the number of spray members is plural, and the plurality of spray members are uniformly disposed on the spray body.

4. The flash tank of claim 2, wherein the number of spray holes is a plurality, and wherein the plurality of spray holes are evenly distributed on the spray member.

5. The flash tank of claim 2, further comprising a water blocking member,

the water retaining member is arranged between the water storage cavity and the steam cavity, and the water retaining member is arranged to only allow steam in the water storage cavity to enter the steam cavity.

6. The flash tank of claim 5, further comprising a return line,

the water tank is characterized in that a water return port is further formed in the tank body and is communicated with the water storage cavity, one end of the water return pipeline is connected with the water return port, and the other end of the water return pipeline is connected with the water supplementing pipeline.

7. The flash tank of claim 6, wherein the return line is provided with a water pump.

8. The flash tank of claim 6, wherein a water mixing valve is arranged on the water supplementing pipeline,

the water mixing valve is arranged at the joint of the water return pipeline and the water supplementing pipeline.

9. The flash tank of any one of claims 1 to 8, wherein the heat exchange assembly further comprises a first head and a second head,

a first refrigerant transition cavity is formed in the first end enclosure, a second refrigerant transition cavity is formed in the second end enclosure, a refrigerant inlet is arranged on the first end enclosure, a refrigerant outlet is arranged on the second end enclosure, the refrigerant inlet is communicated with the first refrigerant transition cavity, the refrigerant outlet is communicated with the second refrigerant transition cavity,

the number of the heat exchange tubes is multiple, and two ends of the heat exchange tubes are respectively communicated with the first refrigerant transition cavity and the second refrigerant transition cavity.

10. The flash tank of any one of claims 1 to 8, wherein the heat exchange assembly further comprises a first head, a second head, and a baffle,

a first refrigerant transition cavity and a second refrigerant transition cavity are formed in the first end enclosure, the baffle is arranged between the first refrigerant transition cavity and the second refrigerant transition cavity, a third refrigerant transition cavity is formed in the second end enclosure,

the first end socket is provided with a refrigerant inlet and a refrigerant outlet, the refrigerant inlet is communicated with the first refrigerant transition cavity, the refrigerant outlet is communicated with the second refrigerant transition cavity,

the heat exchange tubes are multiple in number, two ends of at least one part of the heat exchange tubes are respectively communicated with the first refrigerant transition cavity and the third refrigerant transition cavity, and two ends of at least one part of the heat exchange tubes are respectively communicated with the third refrigerant transition cavity and the second refrigerant transition cavity.

Images