CN111615312A - heat exchange system - Google Patents

Abstract

The present application discloses a heat exchange system, which relates to the technical field of cooling of data centers that can be used for (including but not limited to) applications such as cloud computing, cloud storage, big data computing, deep learning, and image processing. The heat exchange system includes: a condensing heat pipe group, located in the condensation chamber, the condensing heat pipe group includes a plurality of condensing heat pipes arranged side by side, and the condensing heat pipes are used for heat exchange between the refrigerant and the outdoor air; the evaporative heat pipe group is located in the evaporation chamber, and the evaporative heat pipes The group includes a plurality of evaporative heat pipes arranged side by side, and the evaporative heat pipes are used for heat exchange between the refrigerant and the indoor air; among them, a refrigerant circulation pipeline is arranged between the condensing heat pipe group and the evaporative heat pipe group, which is used for the refrigerant to be used between the condensing heat pipes and the evaporating heat pipes. Circulating flow between heat pipes. The heat exchange system of the embodiment of the present application does not need to set up a separate compressor refrigeration equipment, and can realize continuous cooling and heat exchange of the air in the data center room through the reciprocating circulation flow and phase change of the refrigerant, and has the advantages of simple structure and high heat exchange efficiency. High advantage.

Description

heat exchange system

technical field

The present application relates to the field of heat exchange technology, in particular to the field of cooling technology for data centers that can be used for (including but not limited to) applications such as cloud computing, cloud storage, big data computing, deep learning, and image processing.

Background technique

When the data center equipment room is working, the internal equipment will generate heat. In order not to affect the normal operation of the data center equipment room, a corresponding heat exchange system needs to be configured to exchange heat for the data center equipment room. However, due to the unreasonable structural design of the existing heat exchange system, it cannot effectively exchange heat for the indoor return air discharged from the data center room.

In order to solve the above problems, the present application provides a heat exchange system in the field of cooling technology for data centers that can be used for (including but not limited to) cloud computing, cloud storage, big data computing, deep learning, and image processing.

SUMMARY OF THE INVENTION

The present application provides a heat exchange system.

The heat exchange system according to the embodiment of the present application includes:

The condensing heat pipe group is arranged in the condensing chamber, and the condensing heat pipe group includes a plurality of condensing heat pipes arranged side by side, and the condensing heat pipes are used for heat exchange between the refrigerant and the outdoor air;

The evaporative heat pipe group is arranged in the evaporation chamber, and the evaporative heat pipe group includes a plurality of evaporative heat pipes arranged side by side, and the evaporative heat pipes are used for heat exchange between the refrigerant and the indoor air;

Wherein, a refrigerant circulation pipeline is arranged between the condensing heat pipe group and the evaporative heat pipe group, which is used for circulating the refrigerant to flow between the condensing heat pipe and the evaporating heat pipe.

In one embodiment, the refrigerant circulation pipeline includes:

The liquid supply main pipe is connected between the output end of the condensing heat pipe group and the input end of the evaporating heat pipe group, and is used to transport the liquid refrigerant in the condensing heat pipe to the evaporating heat pipe;

The main air supply pipe is connected between the output end of the evaporating heat pipe group and the input end of the condensing heat pipe group, and is used for transporting the gaseous refrigerant in the evaporating heat pipe to the condensing heat pipe.

In one embodiment, the refrigerant circulation pipeline further includes a condensation side liquid collector and an evaporation side liquid collector, the output ends of the plurality of condensation heat pipes are connected to the condensation side liquid collector, and the output end of the condensation side liquid collector is connected to the supply side. The input ends of the liquid main pipes are connected; the input ends of the plurality of evaporation heat pipes are connected to the evaporation side liquid collecting pipes, and the input ends of the evaporation side liquid collecting pipes are connected with the output ends of the liquid supply main pipes.

In an embodiment, the refrigerant circulation pipeline further includes a condensation side gas collector and an evaporation side gas collector, the input ends of the plurality of condensation heat pipes are connected to the condensation side gas collector, and the input ends of the condensation side gas collectors are connected to the gas supply main pipe. Output end; the output ends of the plurality of evaporation heat pipes are connected to the evaporation side gas collecting pipe, and the output end of the evaporation side gas collecting pipe is connected to the input end of the gas supply main pipe.

In one embodiment, both the condensing heat pipes and the evaporating heat pipes are arranged in a vertical direction;

The upper end and the lower end of the condensing heat pipe respectively form the input end and the output end of the condensing heat pipe; the upper end and the lower end of the evaporating heat pipe respectively form the output end and the input end of the evaporating heat pipe.

In one embodiment, the heat exchange system further includes:

The condensation chamber and the evaporation chamber are arranged at intervals from top to bottom. The air inlet and outlet of the condensation chamber are respectively connected to the outdoor air inlet pipe and the outdoor air exhaust pipe, and the air inlet and outlet of the evaporation chamber are respectively connected to the indoor air supply pipe and the indoor return pipe. duct.

In one embodiment, the heat exchange system further includes:

The spray device is installed in the condensing chamber and used to spray the cooling liquid on the condensing heat pipe group.

In one embodiment, it also includes:

The water collecting part is located in the condensing chamber and below the condensing heat pipe group, and is used to collect the cooling liquid sprayed by the spraying device;

The drain pipe is connected to the water collecting part and is used for draining the coolant in the water collecting part.

In one embodiment, the heat exchange system further includes:

The first fan is arranged at the air inlet of the evaporation chamber and/or the air outlet of the evaporation chamber.

In one embodiment, the heat exchange system further includes:

The second fan is arranged at the air inlet of the condensation chamber and/or the air outlet of the condensation chamber.

By adopting the above technical solutions, the heat exchange system of the embodiment of the present application can achieve continuous cooling and heat exchange of the air in the data center room through the reciprocating circulation flow and phase change of the refrigerant without setting up a separate compressor refrigeration equipment. It has the advantages of simple structure and high heat exchange efficiency.

By adopting the above technical solutions, the liquid-cooled air conditioning system of the embodiment of the present application has the advantages of convenient testing, high efficiency, and fast delivery speed.

It should be understood that the content described in this Summary is not intended to limit key or important features of the embodiments of the present application, nor is it intended to limit the scope of the present application. Other features of the present application will become readily understood from the following description.

Description of drawings

The above and other features, advantages and aspects of various embodiments of the present application will become more apparent when taken in conjunction with the accompanying drawings and with reference to the following detailed description. In the drawings, the same or similar reference numbers refer to the same or similar elements, wherein:

FIG. 1 is a schematic structural diagram of a heat exchange system according to an embodiment of the present application.

Detailed ways

Exemplary embodiments of the present application are described below with reference to the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and should be considered as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted from the following description for clarity and conciseness.

The heat exchange system 1 according to the embodiment of the present application is described below with reference to FIG. 1 . The heat exchange system 1 according to the embodiment of the present application can be used to provide cooling to the data center, so that the units of the data center work at a suitable temperature. The data center may be a data center involving (including but not limited to) applications such as cloud computing, cloud storage, big data computing, deep learning, and image processing.

As shown in FIG. 1 , the heat exchange system 1 includes a condensing heat pipe group 10 and an evaporating heat pipe group 20 .

Specifically, the condensing heat pipe group 10 is provided in the condensing chamber 40 , and the condensing heat pipe group 10 includes a plurality of condensing heat pipes 11 arranged side by side, and the condensing heat pipes 11 are used for heat exchange between the refrigerant and the outdoor air. The evaporative heat pipe group 20 is arranged in the evaporation chamber 50 , and the evaporative heat pipe group 20 includes a plurality of evaporative heat pipes 21 arranged side by side, and the evaporative heat pipes 21 are used for heat exchange between the refrigerant and the indoor air. Wherein, a refrigerant circulation pipeline 30 is provided between the condensing heat pipe group 10 and the evaporative heat pipe group 20 for circulating the refrigerant between the condensing heat pipe 11 and the evaporating heat pipe 21 .

It can be understood that the condensation chamber 40 is used to introduce outdoor air, the gaseous refrigerant in the plurality of condensation heat pipes 11 exchanges heat with the outdoor air, the gaseous refrigerant is condensed into a liquid state after absorbing heat, and passes through the refrigerant circulation pipeline 30 by its own gravity. flow into the plurality of evaporative heat pipes 21 . The evaporation chamber 50 is used to introduce outdoor air, and the liquid refrigerant in the plurality of evaporation heat pipes 21 exchanges heat with the indoor air. The liquid refrigerant evaporates into a gaseous state after releasing heat, and flows through the refrigerant circulation pipeline 30 to a plurality of condensations by its own buoyancy. inside the heat pipe 11 .

According to the heat exchange system 1 of the embodiment of the present application, by arranging the evaporation heat pipe group 20 in the evaporation chamber 50 and the condensation heat pipe group 10 in the condensation chamber 40, the refrigerant undergoes a phase change during the heat exchange process, so that the refrigerant can pass through the refrigerant circulation pipe The circuit 30 circulates in the condensing heat pipe group 10 and the evaporative heat pipe group 20, and the liquid refrigerant absorbs the heat of the indoor air in the evaporative heat pipe group 20, thereby cooling the indoor air, and the cooled indoor air is sent to the computer room of the data center, In order to achieve the purpose of cooling the equipment room of the data center; the gaseous refrigerant transfers the heat to the condensation section for heat release, and the air in the equipment room of the data center can be continuously cooled and exchanged through the reciprocating circulation flow and phase change of the refrigerant. . Therefore, the heat exchange system 1 of the embodiment of the present application does not need to provide a separate compressor refrigeration equipment, and has the advantages of simple structure and high heat exchange efficiency.

Furthermore, compared with the technical solution in which the heat exchange system in the related art distributes the heat pipes in the condensation chamber and the evaporation chamber at the same time, the condensation heat pipe 11 and the evaporation heat pipe 21 of the heat exchange system 1 of the embodiment of the present application are respectively arranged in the condensation chamber 40 . and the evaporation chamber 50, so that the refrigerant exchanges heat independently in the condensing heat pipe 11 and the evaporating heat pipe 21, and circulates through the refrigerant circulation pipe 30 during the phase change process, so that the refrigerant can be guaranteed in the heat absorption process and heat release process. The processes are independent of each other without interference, thereby further improving the heat exchange efficiency of the heat exchange system 1 .

It should be noted that the number of the condensing heat pipes 11 of the condensing heat pipe group 10 and the number of the evaporating heat pipes 21 of the evaporating heat pipe group 20 can be selected according to the heat exchange requirements. The condensing heat pipe group 10 is located above the evaporative heat pipe group 20 , the condensing heat pipes 11 are arranged at intervals along the same linear direction, and the evaporative heat pipes 21 are arranged at intervals along the same linear direction. Preferably, the number of the condensing heat pipes 11 of the condensing heat pipe group 10 and the number of the evaporating heat pipes 21 of the evaporating heat pipe group 20 may be the same.

In one example, the number of condensing heat pipe groups 10 may be multiple, and the number of evaporative heat pipe groups 20 may be multiple and provided in a one-to-one correspondence with the multiple condensing heat pipe groups 10 , each condensing heat pipe group 10 and the corresponding evaporation heat pipe The groups 20 are connected by a refrigerant circulation line 30 . The number of condensing heat pipe groups 10 or the number of evaporative heat pipe groups 20 can be selected according to heat exchange requirements, and each condensing heat pipe group 10 is spaced along the same linear direction, and each evaporating heat pipe group 20 is spaced along the same linear direction set up.

The condensing heat pipe 11 and the evaporating heat pipe 21 can adopt any heat pipe structure in the prior art, as long as the refrigerant inside the heat pipe can be automatically phase-converted and heated under the influence of temperature. The refrigerant inside the condensing heat pipe 11 and the evaporating heat pipe 21 can also be selected according to needs. For example, the refrigerant can be R134a (1,1,1,2-tetrafluoroethane, HFC-134a), methanol, copper, nickel, etc. Affects phase-changeable refrigerants.

In an embodiment, as shown in FIG. 1 , the refrigerant circulation pipeline 30 includes a liquid supply main pipe 31 and an air supply main pipe 32 . Specifically, the liquid supply main pipe 31 is connected between the output end of the condensing heat pipe group 10 and the input end of the evaporating heat pipe group 20 , and is used to transport the liquid refrigerant in the condensing heat pipe 11 to the evaporating heat pipe 21 . The main air supply pipe 32 is connected between the output end of the evaporating heat pipe group 20 and the input end of the condensing heat pipe group 10 , and is used to transport the gaseous refrigerant in the evaporating heat pipe 21 to the condensing heat pipe 11 .

In one example, the output end of the condensing heat pipe group 10 is the output end of a plurality of condensing heat pipes 11, and the output end of the plurality of condensing heat pipes 11 is connected to the input end of the liquid supply main pipe 31; the input end of the evaporating heat pipe group 20 is The input ends of the plurality of evaporation heat pipes 21 are connected to the output end of the liquid supply main pipe 31 . The output end of the evaporation heat pipe group 20 is the output end of the plurality of evaporation heat pipes 21, and the output end of the plurality of evaporation heat pipes 21 is connected with the input end of the air supply main pipe 32; the input end of the evaporation heat pipe group 20 is the plurality of evaporation heat pipes 21. The input ends of the plurality of evaporative heat pipes 21 are connected to the output ends of the main gas supply pipes 32 .

By arranging the liquid supply main pipe 31 and the gas supply main pipe 32, the liquid refrigerant in the condensing heat pipe 11 can be transported to the evaporation heat pipe 21 through the liquid supply main pipe 31, and the gaseous refrigerant in the evaporation heat pipe 21 can be transported to the condensing heat pipe through the gas supply main pipe 32. The heat pipe 11 ensures that the refrigerant can circulate between the condensing heat pipe group 10 and the evaporating heat pipe group 20 after the phase change occurs, thus ensuring the circulation efficiency of the refrigerant and improving the cooling effect of the heat exchange system 1 . Furthermore, the indirect evaporative cooling technology can be effectively used to automatically heat exchange the indoor hot air transported in the evaporation chamber 50, and no additional power source is required to drive the heat exchange process, which not only improves heat exchange efficiency but also reduces energy consumption.

In one embodiment, as shown in FIG. 1 , both the condensing heat pipes 11 and the evaporating heat pipes 21 are arranged in a vertical direction. The upper and lower ends of the condensing heat pipe 11 form the input and output ends of the condensing heat pipe 11 respectively; the upper and lower ends of the evaporative heat pipe 21 respectively form the output and input ends of the evaporative heat pipe 21 .

It can be understood that the refrigerant in the condensing heat pipe 11 flows out from the output end of the lower end of the condensing heat pipe 11 through the action of its own gravity after the refrigerant in the condensing heat pipe 11 is converted into a liquid state, and then enters the input end of the lower end of the evaporating heat pipe 21 through the liquid supply main pipe 31; The refrigerant in the heat pipe 21 flows out from the output end of the upper end of the evaporating heat pipe 21 through its own buoyancy after it absorbs heat and is converted into a gaseous state, and then enters the input end of the upper end of the condensing heat pipe 11 through the air supply main pipe 32 . Therefore, by arranging both the condensing heat pipe 11 and the evaporating heat pipe 21 in the vertical direction, the efficiency of the liquid refrigerant in the condensing heat pipe 11 entering the evaporating heat pipe 21 can be improved, and the efficiency of the gaseous refrigerant in the evaporating heat pipe 21 entering the condensing heat pipe 11 can be improved at the same time. Therefore, the flow efficiency of the refrigerant between the condensing heat pipe group 10 and the evaporating heat pipe group 20 is improved, so as to further improve the heat exchange efficiency of the heat exchange system 1 .

In an embodiment, as shown in FIG. 1 , the refrigerant circulation pipeline 30 further includes a condensation side liquid collecting pipe 311 and an evaporation side liquid collecting pipe 312 . The output ends of the plurality of condensation heat pipes 11 (ie the condensation heat pipes 11 in the figure The lower end of the condensing side liquid collecting pipe 311 is connected to the condensing side liquid collecting pipe 311, and the output end of the condensing side liquid collecting pipe 311 is connected with the input end of the liquid supply main pipe 31; It is connected to the evaporation side liquid collection pipe 312 , and the input end of the evaporation side liquid collection pipe 312 is connected to the output end of the liquid supply main pipe 31 .

In an example, there are multiple input ends of the condensation-side liquid headers 311 and are provided in a one-to-one correspondence with the multiple condensing heat pipes 11 , and the output ends of the multiple condensing heat pipes 11 are arranged in parallel with multiple inputs of the condensation-side liquid headers 311 . end, so as to ensure that the liquid refrigerant in the plurality of condensing heat pipes 11 can enter the condensing side liquid collecting pipe 311 at the same time. The output ends of the evaporation side liquid header 312 are multiple and are arranged in one-to-one correspondence with the plurality of evaporation heat pipes 21. The input ends of the plurality of evaporation heat pipes 21 are arranged in parallel with the multiple output ends of the evaporation side liquid header 312 to ensure evaporation. The liquid refrigerant in the side headers 312 can enter a plurality of evaporative heat pipes 21 at the same time. It can be understood that the liquid refrigerant in the condensation-side liquid collecting pipe 311 enters the evaporation-side liquid collecting pipe 312 through the liquid supply main pipe 31 .

By arranging the condensing side liquid collecting pipe 311 and the evaporating side liquid collecting pipe 312 connected to both ends of the liquid supply main pipe 31, the uniform distribution of the liquid refrigerant in the evaporating heat pipe 21 can be ensured, so as to ensure the uniform cooling effect of each evaporating heat pipe 21.

In one embodiment, as shown in FIG. 1 , the refrigerant circulation pipeline 30 further includes a condensation side gas collecting pipe 321 and an evaporation side gas collecting pipe 322 . ) is connected to the condensation side gas collecting pipe 321, and the input end of the condensation side gas collecting pipe 321 is connected to the output end of the air supply main pipe 32; The gas collecting pipe 322, the output end of the evaporation side gas collecting pipe 322 is connected with the input end of the gas supply main pipe 32.

In an example, there are multiple input ends of the evaporation-side gas collector 322 and are arranged in one-to-one correspondence with the multiple evaporation heat pipes 21 , and the input ends of the multiple evaporation heat pipes 21 are arranged in parallel with the multiple input ends of the evaporation-side gas collector 322 , In order to ensure that the gaseous refrigerant in the plurality of evaporating heat pipes 21 can enter the evaporating side gas collecting pipes 322 at the same time. The output ends of the condensation side gas collecting pipes 321 are multiple and are arranged in one-to-one correspondence with the multiple condensing heat pipes 11. The input ends of the multiple condensation heat pipes 11 are arranged in parallel with the multiple output ends of the condensation side gas collecting pipes 321 to ensure that the evaporation side collecting pipes 11 are collected. The gaseous refrigerant in the gas pipe 322 can enter the condensation side gas collecting pipe 321 at the same time. It can be understood that the gaseous refrigerant in the evaporation side gas collecting pipe 322 enters the condensation side gas collecting pipe 321 through the gas supply main pipe 32 .

By arranging the condensing side gas collecting pipes 321 and the evaporating side gas collecting pipes 322 connected to both ends of the air supply main pipe 32, it can be ensured that the gaseous refrigerant is evenly distributed in the condensing heat pipes 11, so as to ensure that each condensing heat pipe 11 has a uniform condensing effect on the gaseous refrigerants.

In one embodiment, as shown in FIG. 1 , the heat exchange system 1 further includes a condensation chamber 40 and an evaporation chamber 50 spaced from top to bottom. The air inlet and the air outlet of the condensation chamber 40 are respectively connected to the outdoor air inlet pipe and the outdoor air exhaust pipe. The air in the condensation chamber 40 is exhausted to the outside. The air inlet and air outlet of the evaporation chamber 50 are respectively connected to the indoor air supply pipe and the indoor return air pipe. The indoor air supply pipe is used to pass the indoor (that is, the computer room of the data center) air into the evaporation chamber 50, and the indoor return air pipe is used for The air in the evaporation chamber 50 is exhausted into the room.

It can be understood that, the condensation chamber 40 and the evaporation chamber 50 are two closed cavities independent of each other. That is, the indoor hot air flowing into the evaporation chamber 50 does not leak to the outside of the evaporation chamber 50 , and the outdoor air flowing into the condensation chamber 40 does not leak to the outside of the condensation chamber 40 .

In an embodiment, as shown in FIG. 1 , the heat exchange system 1 further includes a spray device 60 , which is arranged in the condensation chamber 40 and is used for spraying the cooling liquid to the condensation heat pipe group 10 . The cooling liquid may be water. By arranging the spray device 60, when the temperature of the outdoor air is high, that is, when the outdoor air has a poor condensing effect on the refrigerant in the condensing heat pipe group 10, the cooling liquid can be sprayed to the condensing heat pipe group 10 through the spray device 60, To cool the refrigerant in the refrigerant heat pipe group, so as to ensure the condensation effect of the refrigerant heat pipe group.

In one example, the shower device 60 includes a fluid delivery tube and a plurality of showerheads in communication with the fluid delivery tube. The infusion pipes are used to deliver coolant to each sprinkler head. The structure, spraying method and quantity of the sprinkler head can be selected and adjusted according to the needs of heat exchange, which are not specifically limited here.

Optionally, the spray device 60 further includes a water collecting part 61 and a drain pipe 62 . The water collecting part 61 is arranged in the condensation chamber 40 and below the condensation heat pipe group 10 , and is used for collecting the cooling liquid sprayed by the spray device 60 . The drain pipe 62 is connected to the water collecting part 61 for draining the cooling liquid in the water collecting part 61 .

In one example, the water collecting part 61 may adopt a disc-shaped structure or a groove structure, so as to facilitate the collection of cooling liquid. The infusion pipe and the drain pipe 62 are connected to the water collecting part 61 . The water collecting part 61 is used for cooling the cooling liquid conveyed by the drain pipe 62 , and then conveying the cooled cooling liquid to the infusion pipe for recycling.

In one embodiment, as shown in FIG. 1 , the heat exchange system 1 further includes a first fan. The first fan is arranged at the air inlet of the evaporation chamber 50 and/or the air outlet of the evaporation chamber 50, and is used to provide power for the flow of the air in the indoor return air in the evaporation type. The first fan can be any fan in the prior art, and the structure of the first fan can be selected and adjusted as required, which is not specifically limited here.

In one embodiment, as shown in FIG. 1 , the heat exchange system 1 further includes a second fan. The second fan is arranged at the air inlet of the condensation chamber 40 and/or the air outlet of the condensation chamber 40 to provide power for the flow of outdoor air in the condensation chamber 40 . Wherein, the second fan can be any fan in the prior art, and the structure of the second fan can be selected and adjusted as required, which is not specifically limited here.

Other components of the heat exchange system 1 in the above-mentioned embodiment can adopt various technical solutions known to those of ordinary skill in the art now and in the future, and will not be described in detail here.

According to the heat exchange system 1 of the embodiment of the present application, by arranging the evaporative heat pipe group 20 in the evaporation chamber 50 and the condensing heat pipe group 10 in the condensation chamber 40, through the reciprocating circulation flow and phase change effect of the refrigerant, it is possible to realize the cooling effect in the data center equipment room. The air conducts continuous cooling and heat exchange. Therefore, the heat exchange system 1 of the embodiment of the present application does not need to provide a separate compressor refrigeration equipment, and has the advantages of simple structure and high heat exchange efficiency. Furthermore, the condensing heat pipe 11 and the evaporating heat pipe 21 of the heat exchange system 1 of the embodiment of the present application are arranged in the condensing chamber 40 and the evaporating chamber 50, respectively, so that the refrigerant conducts heat exchange independently in the condensing heat pipe 11 and the evaporating heat pipe 21, and in the During the phase change process, the refrigerant circulates through the refrigerant circulation pipeline 30 , thereby ensuring that the refrigerant is independent from each other in the heat absorption process and the heat release process, thereby further improving the heat exchange efficiency of the heat exchange system 1 .

The above-mentioned specific embodiments do not constitute a limitation on the protection scope of the present application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (10)

1. A heat exchange system, comprising:

the condensation heat pipe set is arranged in the condensation chamber and comprises a plurality of condensation heat pipes arranged in parallel, and the condensation heat pipes are used for heat exchange between a refrigerant and outdoor air;

the evaporation heat pipe set is arranged in the evaporation chamber and comprises a plurality of evaporation heating pipes arranged side by side, and the evaporation heating pipes are used for heat exchange between the refrigerant and indoor air;

and a refrigerant circulating pipeline is arranged between the condensation heat pipe set and the evaporation heat pipe set and is used for allowing the refrigerant to circularly flow between the condensation heat pipe and the evaporation heat pipe.

2. The heat exchange system of claim 1, wherein the refrigerant circulation line comprises:

the liquid supply main pipe is connected between the output end of the condensation heat pipe group and the input end of the evaporation heat pipe group and is used for conveying the liquid refrigerant in the condensation heat pipe to the evaporation heat pipe;

and the gas supply main pipe is connected between the output end of the evaporation heat pipe set and the input end of the condensation heat pipe set and is used for conveying the gaseous refrigerant in the evaporation heat pipe to the condensation heat pipe.

3. The heat exchange system according to claim 2, wherein the refrigerant circulation pipeline further comprises a condensation side liquid collecting pipe and an evaporation side liquid collecting pipe, the output ends of the plurality of condensation heat pipes are connected to the condensation side liquid collecting pipe, and the output end of the condensation side liquid collecting pipe is connected with the input end of the liquid supply main pipe; the input ends of the plurality of evaporation heating pipes are connected to the evaporation side liquid collecting pipe, and the input end of the evaporation side liquid collecting pipe is connected with the output end of the liquid supply main pipe.

4. The heat exchange system of claim 2, wherein the refrigerant circulation pipeline further comprises a condensation-side gas header and an evaporation-side gas header, the input ends of the plurality of condensation heat pipes are connected to the condensation-side gas header, and the input end of the condensation-side gas header is connected to the output end of the gas supply main pipe; the output ends of the plurality of evaporation heating pipes are connected to the evaporation side gas collecting pipe, and the output end of the evaporation side gas collecting pipe is connected with the input end of the gas supply main pipe.

5. The heat exchange system of claim 1, wherein the condensing heat pipe and the evaporating heat pipe are both arranged in a vertical direction;

the upper end and the lower end of the condensation heat pipe respectively form an input end and an output end of the condensation heat pipe; the upper end and the lower end of the evaporation heating pipe respectively form the output end and the input end of the evaporation heating pipe.

6. The heat exchange system of any one of claims 1 to 5, further comprising:

from top to bottom the interval set up the condensation chamber with the evaporating chamber, the air intake and the air outlet of condensation chamber communicate outdoor air-supply line and outdoor exhaust pipe respectively, the air intake and the air outlet of evaporating chamber communicate indoor blast pipe and indoor return air duct respectively.

7. The heat exchange system of claim 6, further comprising:

and the spraying device is arranged in the condensation chamber and is used for spraying cooling liquid to the condensation heat pipe set.

8. The heat exchange system of claim 7, further comprising:

the water collecting part is arranged in the condensation chamber, is positioned below the condensation heat pipe set and is used for collecting the cooling liquid sprayed by the spraying device;

and the drain pipe is connected with the water collecting part and used for discharging the cooling liquid in the water collecting part.

9. The heat exchange system of claim 6, further comprising:

the first fan is arranged at the air inlet of the evaporation chamber and/or the air outlet of the evaporation chamber.

10. The heat exchange system of claim 6, further comprising:

and the second fan is arranged at the air inlet of the condensing chamber and/or the air outlet of the condensing chamber.

Images