CN215213570U - Mine cooling circulation system - Google Patents

Abstract

The utility model provides a mine cooling circulation system relates to heat sink technical field. A mine cooling circulation system comprises a refrigerating device, a ventilating device, a heat exchange device and a recovery device. The refrigerating device comprises a cooling water production assembly arranged outside the mine. The heat exchange device comprises a heat exchange box arranged in the mine, and a water inlet and a water outlet are formed in the heat exchange box. The water inlet is communicated with the water outlet end of the cooling water production assembly, and the water outlet is communicated with the recovery device. The heat exchange box is internally provided with a heat exchange tube, the ventilation device comprises an air inlet component and an air outlet component, the air inlet component is communicated with the inlet end of the heat exchange tube, and the air outlet component is communicated with the outlet end of the heat exchange tube. The utility model discloses not only can realize the effective cooling to in the mine, but also can carry out effectual recycle to the heat after the heat exchange.

Description

Mine cooling circulation system

Technical Field

The utility model relates to a heat sink technical field particularly, relates to a mine cooling circulation system.

Background

In the underground coal mine, along with the continuous increase of the mining depth, the temperature of an underground working place is continuously raised by the heat effect of a geothermal gradient, the heat dissipation of mechanical equipment during operation, the heat dissipation of workers and the like, the temperature of the deep well working place usually reaches 33 ℃, the temperature of a local area reaches 35-38 ℃, namely, a large refrigeration cooling system is adopted to cool down underground inlet air, usually, when air current enters the working place through conveying at a certain distance, the temperature still reaches more than 30 ℃, in an area with concentrated operation of the mechanical equipment, the temperature still reaches more than 35 ℃, the high temperature enables the workers to be easy to sunstroke, fatigue and discomfort, the regulation is violated, the physical and mental health of the workers is injured, the labor efficiency is greatly reduced, and the safe production of the coal mine is not facilitated. At present, a mine cooling system generally adopts a heat exchange principle, and heat in a mine is exchanged to the outside of the mine through heat exchange. The existing mine cooling system has poor cooling effect on a mine, and heat is generally directly discharged outside the mine and cannot be effectively recycled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mine cooling circulation system, it not only can realize the effective cooling to in the mine, but also can carry out effectual recycle to the heat after the heat exchange.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a mine cooling circulation system, including refrigerating plant, ventilation unit, heat transfer device and recovery unit, refrigerating plant is including setting up the cooling water production subassembly outside the mine, heat transfer device is including setting up the heat transfer case in the mine, water inlet and delivery port have been seted up on the heat transfer case, the water inlet communicates with the play water end of cooling water production subassembly, delivery port and recovery unit intercommunication, be provided with the heat exchange tube in the heat transfer case, ventilation unit includes air inlet subassembly and air-out subassembly, the inlet end intercommunication of air inlet subassembly and heat exchange tube, the air-out subassembly communicates with the exit end of heat exchange tube.

The utility model discloses an in some embodiments, above-mentioned air inlet subassembly includes outer fan and interior fan, and the import setting of interior fan is in the mine, and the import setting of outer fan is outside the mine, the export of outer fan and interior fan and the entrance point intercommunication of heat exchange tube.

The utility model discloses an in some embodiments, above-mentioned air-out subassembly includes the blast pipe way, and the blast pipe way is laid in the mine, and the blast pipe evenly spaced apart is equipped with a plurality of air outlets on the road.

In some embodiments of the present invention, the arbitrary air outlet is connected to an air outlet pipe, and a control valve is connected in series to the air outlet pipe.

In some embodiments of the present invention, the above recycling device includes a liquid waste heat recycling assembly, and the inlet end of the liquid waste heat recycling assembly is communicated with the water outlet.

The utility model discloses an in some embodiments, above-mentioned cooling water production subassembly includes refrigerator and cold water storage cistern, and the refrigerator is connected with the cold water storage cistern for carry out refrigeration treatment to the water in the cold water storage cistern, recovery unit still includes gaseous waste heat recovery subassembly, and the hot air exitus of refrigerator is connected with gaseous waste heat recovery subassembly.

In some embodiments of the present invention, the heat exchange tube has a serpentine structure.

In some embodiments of the present invention, the arbitrary control valve is an explosion-proof solenoid valve, and the explosion-proof solenoid valve is connected to a control unit.

In some embodiments of the present invention, the control unit is connected to a plurality of temperature sensors, and the plurality of temperature sensors are disposed in the mine shaft at a plurality of control valves in a one-to-one correspondence manner.

In some embodiments of the present invention, the inlet of the outer fan and the inner fan is provided with an air dehumidifying assembly.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model provides a mine cooling circulation system, including refrigerating plant, ventilation unit, heat transfer device and recovery unit. The refrigerating device can finish refrigerating and cooling the cooling liquid, so that the cooling liquid is in a low-temperature state. Above-mentioned ventilation unit carries the new trend for the mine, avoids appearing the air in the mine and does not circulate and lead to personnel's safety problem to take place. The heat exchange device is used for realizing indirect heat exchange between the cooling liquid and the air, and the purpose of cooling the air is achieved. The recovery device is used for recovering heat collected after heat exchange in a mine. The refrigerating device comprises a cooling water production assembly arranged outside the mine, and the heat exchange device comprises a heat exchange box arranged in the mine. The heat exchange box is provided with a water inlet and a water outlet, the water inlet is communicated with the water outlet end of the cooling water production assembly, and the water outlet is communicated with the recovery device. The heat exchange box is internally provided with a heat exchange tube, the ventilation device comprises an air inlet component and an air outlet component, the air inlet component is communicated with the inlet end of the heat exchange tube, and the air outlet component is communicated with the outlet end of the heat exchange tube. The cooling water production assembly produces cooling liquid in a low-temperature state, and the cooling liquid in the low-temperature state enters the heat exchange box along the water inlet and finally passes through the water outlet heat exchange box. In the process, the air inlet assembly mixes air entering from the outside of the mine and air in the frame and sends the mixed air into the heat exchange tube, and the cooling liquid in the low-temperature state and the air in the heat exchange tube exchange heat in the heat exchange box to obtain low-temperature air. Meanwhile, the cooling liquid in the low-temperature state forms cooling liquid in a high-temperature state after heat exchange, and the cooling liquid enters a recovery device along a water outlet to recover waste heat. After the air is subjected to heat exchange in the heat exchange box, the temperature of the air is greatly reduced to form cold air, the cold air enters the air outlet assembly, and the cold air is conveyed to any position of a mine by the air outlet assembly, so that the aim of cooling the mine is fulfilled.

Therefore, the mine cooling circulation system not only can effectively cool the interior of a mine, but also can effectively recycle the heat after heat exchange.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic cross-sectional view of an air outlet pipe in an embodiment of the present invention;

fig. 4 is a control block diagram of a control unit according to an embodiment of the present invention.

Icon: 1-mine, 2-air supply pipeline, 3-recovery device, 4-cold water tank, 5-refrigerator, 6-air outlet, 7-external fan, 8-internal fan, 9-heat exchange box, 10-heat exchange tube, 11-water inlet, 12-water outlet, 13-air outlet tube, 14-explosion-proof electromagnetic valve, 15-air dehumidifying component.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2 if appearing.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of the present invention; fig. 2 is an enlarged view of a point a in fig. 1. The embodiment provides a mine 1 cooling circulation system, including refrigerating plant, ventilation unit, heat transfer device and recovery unit 3. The refrigerating device can finish refrigerating and cooling the cooling liquid, so that the cooling liquid is in a low-temperature state. Above-mentioned ventilation unit carries the new trend for mine 1, and it leads to personnel's safety problem to take place to avoid appearing the air not circulate in the mine 1. The heat exchange device is used for realizing indirect heat exchange between the cooling liquid and the air, and the purpose of cooling the air is achieved. The recovery device 3 is used for recovering heat collected after heat exchange in the mine 1.

In this embodiment, the refrigerating device comprises a cooling water production assembly arranged outside the mine 1, and the heat exchange device comprises a heat exchange box 9 arranged in the mine 1. The heat exchange box 9 is provided with a water inlet 11 and a water outlet 12, the water inlet 11 is communicated with the water outlet end of the cooling water production assembly, and the water outlet 12 is communicated with the recovery device 3. A heat exchange tube 10 is arranged in the heat exchange box 9, the ventilation device comprises an air inlet component and an air outlet component, the air inlet component is communicated with the inlet end of the heat exchange tube 10, and the air outlet component is communicated with the outlet end of the heat exchange tube 10. The cooling water production assembly produces cooling liquid in a low-temperature state, and the cooling liquid in the low-temperature state enters the heat exchange box 9 along the water inlet 11 and finally passes through the heat exchange box 9 through the water outlet 12.

In the process, the air inlet assembly mixes air entering from the outside of the mine 1 and air in the frame and sends the mixed air into the heat exchange tube 10, and the cooling liquid in the low-temperature state and the air in the heat exchange tube 10 exchange heat in the heat exchange box 9 to obtain low-temperature air. Meanwhile, the cooling liquid in the low temperature state forms cooling liquid in a high temperature state after heat exchange, and the cooling liquid enters the recovery device 3 along the water outlet 12 for waste heat recovery. After the air is subjected to heat exchange in the heat exchange box 9, the temperature of the air is greatly reduced to form cold air, the cold air enters the air outlet assembly, and the cold air is conveyed to any position of the mine 1 by the air outlet assembly, so that the aim of cooling the mine 1 is fulfilled.

Therefore, the mine 1 cooling circulation system can not only effectively cool the interior of the mine 1, but also effectively recycle the heat after heat exchange.

Referring to fig. 1, in some embodiments of the present invention, the air intake assembly includes an outer fan 7 and an inner fan 8. The inlet of the inner fan 8 is arranged in the mine 1, the inlet of the outer fan 7 is arranged outside the mine 1, and the outlets of the outer fan 7 and the inner fan 8 are communicated with the inlet end of the heat exchange tube 10.

In this embodiment, the air intake assembly includes an outer fan 7 and an inner fan 8. Wherein, above-mentioned outer fan 7 is used for introducing the fresh air outside the mine 1, and above-mentioned interior fan 8 is used for introducing the hot-air in the mine 1. The outer fan 7 and the inner fan 8 enter the heat exchange tube 10 at the same time, and air mixing is completed while heat exchange is completed in the heat exchange tube 10, so that fresh air is introduced into the mine 1, a part of hot air in the mine 1 can be recycled, and the temperature in the mine 1 can be reduced by extracting a part of hot air.

In this embodiment, the uniform explosion-proof fans such as the roots fan and the like of the outer fan 7 and the inner fan 8 can avoid the problems of explosion and the like in the mine 1.

Referring to fig. 1 and 2, in some embodiments of the present invention, the air outlet assembly includes an air supply pipeline 2, the air supply pipeline 2 is disposed in the mine 1, and a plurality of air outlets 6 are uniformly spaced on the air supply pipeline 2.

In this embodiment, the air supply pipeline 2 is distributed in the mine 1 in a branch-and-branch shape, and can supply cold air after heat exchange to any position of the mine 1, and the cold air is introduced to the position to cool. The air outlet 6 of the air supply pipeline 2 is used for discharging the cold air, and the cooling effect is achieved. Meanwhile, the cold air discharged from the air outlet 6 can be introduced into the mine 1 as fresh air, and the cold air is matched with the internal fan 8, so that the air in the mine 1 can be circulated continuously, and the ventilation effect is achieved.

Referring to fig. 3, in some embodiments of the present invention, any of the air outlets 6 is communicated with an air outlet pipe 13, and the air outlet pipe 13 is connected in series with a control valve.

In this embodiment, the control valve on the air outlet pipe 13 is used for controlling the cold air in the air outlet 6 to be discharged, and the control valve can be controlled to open and close, so as to realize the opening and closing of the air outlet 6 and the opening degree. In the mine 1, because reasons such as the degree of depth and the length of mine 1 can cause the temperature of different positions in the mine 1 inequality, consequently can realize the emission and the emission of cold air through the control valve, avoid in the mine 1 some need not lower the temperature or only need the temperature of the position of a little cooling to obtain controlling.

In some embodiments of the present embodiment, the recovery device 3 includes a liquid waste heat recovery assembly (not shown), and an inlet end of the liquid waste heat recovery assembly is communicated with the water outlet 12.

In this embodiment, the liquid waste heat recovery assembly is used for recovering waste heat in liquid, and the water outlet 12 leads the cooling liquid in a high-temperature state, which is subjected to heat exchange in the tank, into the liquid waste heat recovery assembly, so that the waste heat in the cooling liquid is recovered through the liquid waste heat recovery assembly.

In this embodiment, the liquid waste heat recovery assembly includes a heat exchanger. Specifically, the heat exchanger is a dividing wall type heat exchanger, and heat in the cooling liquid in a high-temperature state is effectively recovered through the dividing wall type heat exchanger.

Referring to fig. 1, in some embodiments of the present invention, the cooling water producing assembly includes a refrigerator 5 and a cold water tank 4. The refrigerator 5 is connected to the cold water tank 4, and is configured to refrigerate water in the cold water tank 4. The recovery device 3 further comprises a gas waste heat recovery assembly, and a hot air outlet of the refrigerator 5 is connected with the gas waste heat recovery assembly.

In the present embodiment, the cold water tank 4 is used for containing the cooling liquid, and the refrigerator 5 is used for cooling the cooling liquid to obtain the cooling liquid in a low temperature state. The principle of the refrigerator 5 is as follows: in the circulation system of the refrigerator 5, the compressor sucks low-temperature and low-pressure refrigerant vapor from the evaporator, the refrigerant vapor is adiabatically compressed into high-temperature and high-pressure superheated vapor by the compressor, the superheated vapor is then compressed into the condenser for constant-pressure cooling, heat is released to the cooling medium, and the refrigerant is cooled into a supercooled liquid refrigerant. The liquid refrigerant is subjected to adiabatic throttling by the expansion valve to become a low-pressure liquid refrigerant, heat in cooling liquid (air) is evaporated and absorbed in the evaporator, the cooling liquid achieves the purpose of refrigeration, the low-pressure refrigerant flows out and is sucked into the compressor, and the circulation work is carried out to continuously refrigerate the cooling liquid in the cold water tank 4. Because the condenser can generate a large amount of hot air (hot air), the hot air can enter the gas waste heat recovery assembly for recovery by connecting the gas waste heat recovery assembly with the outlet of the hot air.

Referring to fig. 3, in some embodiments of the present invention, the heat exchange tube 10 has a serpentine structure.

In this embodiment, the heat exchange tube 10 with the serpentine structure can uniformly arrange the heat exchange tube 10 in the space of the effective heat exchange box 9, so as to improve the contact area between the heat exchange tube 10 and the cooling liquid in the heat exchange box 9, thereby greatly improving the heat exchange effect.

Referring to fig. 4, in some embodiments of the present invention, the arbitrary control valve is an explosion-proof electromagnetic valve 14, and the explosion-proof electromagnetic valve 14 is connected to a control unit.

In this embodiment, the above-mentioned explosion-proof electromagnetic valve 14 is a device that encloses all the components that may ignite the explosive gas mixture in a single housing, and the housing can withstand the internal explosion of the combustible mixture that penetrates into the housing through any joint surface or structural gap of the housing without damage, and without causing the ignition of the external explosive environment formed by one or more gases or vapors, and the components that may generate sparks, arcs, and dangerous temperatures are placed in the explosion-proof housing, and the explosion-proof housing separates the internal space of the device from the surrounding environment. The explosion-proof shell has a gap, and an explosive gas mixture possibly exists in the explosion-proof shell due to the respiration effect and the gas permeation effect of the electrical equipment. The coil shell of the explosion-proof electromagnetic valve 14 has the explosion-proof function of bearing the gas explosion pressure, has the retarding function on the gas explosion energy transfer, and has higher safety performance. The electromagnetic valve is a special electromagnetic valve series product which is specially designed and suitable for conveying flammable and explosive media or is specially used in explosive dangerous places, and different environments and fluids are electromagnetic valves with different explosion-proof grades. The explosion-proof electromagnetic valve 14 is connected with the control unit, and the control unit can remotely control the opening and closing and opening degree of the explosion-proof electromagnetic valve 14, so that the purposes of automatically controlling the opening and closing and opening degree of the control valve are achieved.

Referring to fig. 4, in some embodiments of the present invention, the control unit is connected to a plurality of temperature sensors, and the plurality of temperature sensors are disposed in the mine 1 at a plurality of the control valves in a one-to-one correspondence manner.

In this embodiment, the temperature sensors are used to detect the temperature of the corresponding position in the mine 1 and transmit the temperature information to the control unit, and the control unit controls the opening and closing and opening degrees of the control valves corresponding to the corresponding temperature sensors according to the temperature analysis result by judging and analyzing the temperature information according to logic.

Referring to fig. 4, in the present embodiment, the control unit is further connected to the inner fan 8, the outer fan 7 and the refrigerator 5, respectively, and is configured to control the on/off and the working power of the inner fan 8, the outer fan 7 and the refrigerator 5.

Referring to fig. 1, in some embodiments of the present invention, an air dehumidifying assembly 15 is disposed at an inlet of each of the outer fan 7 and the inner fan 8.

In this embodiment, the air dehumidifying assembly 15 can dehumidify the air entering the heat exchange tube 10, so as to prevent the inner wall of the heat exchange tube 10 from being corroded due to too high air humidity. Meanwhile, after the dehumidified air enters the mine 1, the phenomenon that the humidity of the air in the mine 1 is high, and discomfort and unsafe factors are caused to personnel in the mine 1 can be avoided.

When the refrigerator is used, the control unit starts the refrigerator 5, the refrigerator 5 refrigerates the cooling liquid in the cold water tank 4 after working to obtain the cooling liquid in a low-temperature state, and the cooling liquid in the low-temperature state enters the heat exchange tank 9. Meanwhile, the control unit starts the inner fan 8 and the outer fan 7, so that the air in the mine 1 and the air outside the mine 1 are dehumidified and mixed, and then enter the heat exchange tube 10. At this time, the air inside the heat exchange tube 10 exchanges heat with the coolant inside the case. After further cooling, the air is discharged into the air supply pipeline 2 at the outlet end of the heat exchange tube 10. The control unit controls the opening and closing degree and the opening degree of the control valve corresponding to the corresponding temperature sensor according to the temperature analysis result. After the control valve is opened, cold air enters the corresponding position in the mine 1, and the position is cooled. Meanwhile, the cooling liquid in the low temperature state is changed into the cooling liquid in the high temperature state after heat exchange, and the cooling liquid in the high temperature state enters the recovery device 3 through the water outlet 12 on the heat exchange box 9 for heat recovery.

To sum up, the embodiment of the utility model provides a mine 1 cooling circulation system, including refrigerating plant, ventilation unit, heat transfer device and recovery unit 3. The refrigerating device can finish refrigerating and cooling the cooling liquid, so that the cooling liquid is in a low-temperature state. Above-mentioned ventilation unit carries the new trend for mine 1, and it leads to personnel's safety problem to take place to avoid appearing the air not circulate in the mine 1. The heat exchange device is used for realizing indirect heat exchange between the cooling liquid and the air, and the purpose of cooling the air is achieved. The recovery device 3 is used for recovering heat collected after heat exchange in the mine 1. The refrigerating device comprises a cooling water production assembly arranged outside the mine 1, and the heat exchange device comprises a heat exchange box 9 arranged in the mine 1. The heat exchange box 9 is provided with a water inlet 11 and a water outlet 12, the water inlet 11 is communicated with the water outlet end of the cooling water production assembly, and the water outlet 12 is communicated with the recovery device 3. A heat exchange tube 10 is arranged in the heat exchange box 9, the ventilation device comprises an air inlet component and an air outlet component, the air inlet component is communicated with the inlet end of the heat exchange tube 10, and the air outlet component is communicated with the outlet end of the heat exchange tube 10. The cooling water production assembly produces cooling liquid in a low-temperature state, and the cooling liquid in the low-temperature state enters the heat exchange box 9 along the water inlet 11 and finally passes through the heat exchange box 9 through the water outlet 12. In the process, the air inlet assembly mixes air entering from the outside of the mine 1 and air in the frame and sends the mixed air into the heat exchange tube 10, and the cooling liquid in the low-temperature state and the air in the heat exchange tube 10 exchange heat in the heat exchange box 9 to obtain low-temperature air. Meanwhile, the cooling liquid in the low temperature state forms cooling liquid in a high temperature state after heat exchange, and the cooling liquid enters the recovery device 3 along the water outlet 12 for waste heat recovery. After the air is subjected to heat exchange in the heat exchange box 9, the temperature of the air is greatly reduced to form cold air, the cold air enters the air outlet assembly, and the cold air is conveyed to any position of the mine 1 by the air outlet assembly, so that the aim of cooling the mine 1 is fulfilled. Therefore, the mine 1 cooling circulation system can not only effectively cool the interior of the mine 1, but also effectively recycle the heat after heat exchange.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a mine cooling circulation system, its characterized in that, includes refrigerating plant, ventilation unit, heat transfer device and recovery unit, refrigerating plant is including setting up the outside cooling water production subassembly of mine, heat transfer device is including setting up heat transfer case in the mine, water inlet and delivery port have been seted up on the heat transfer case, the water inlet with the play water end intercommunication of cooling water production subassembly, the delivery port with the recovery unit intercommunication, be provided with the heat exchange tube in the heat transfer case, ventilation unit includes air inlet subassembly and air-out subassembly, the air inlet subassembly with the entrance point intercommunication of heat exchange tube, the air-out subassembly with the exit end intercommunication of heat exchange tube.

2. The mine cooling circulation system of claim 1, wherein the air intake assembly comprises an outer fan and an inner fan, an inlet of the inner fan is arranged in the mine, an inlet of the outer fan is arranged outside the mine, and outlets of the outer fan and the inner fan are communicated with the inlet end of the heat exchange tube.

3. The mine cooling circulation system of claim 1, wherein the air outlet assembly comprises an air supply pipeline, the air supply pipeline is arranged in the mine, and a plurality of air outlets are uniformly arranged on the air supply pipeline at intervals.

4. The mine cooling circulation system of claim 3, wherein any of the air outlets is communicated with an air outlet pipe, and a control valve is connected in series to the air outlet pipe.

5. The mine cooling circulation system of claim 1, wherein the recovery device comprises a liquid waste heat recovery assembly, and an inlet end of the liquid waste heat recovery assembly is in communication with the water outlet.

6. The mine cooling circulation system of claim 5, wherein the cooling water producing assembly comprises a refrigerator and a cold water tank, the refrigerator is connected with the cold water tank and used for refrigerating water in the cold water tank, the recovery device further comprises a gas waste heat recovery assembly, and a hot air outlet of the refrigerator is connected with the gas waste heat recovery assembly.

7. The mine cooling circulation system of claim 1, wherein the heat exchange tubes are serpentine in configuration.

8. The mine cooling circulation system of claim 4, wherein any of the control valves is an explosion-proof solenoid valve connected to a control unit.

9. The mine cooling circulation system of claim 8, wherein the control unit is connected to a plurality of temperature sensors, and the plurality of temperature sensors are arranged in the mine at the plurality of control valves in a one-to-one correspondence.

10. The mine cooling circulation system of claim 2, wherein an air dehumidifying unit is provided at an inlet of each of the outer fan and the inner fan.

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