Multifunctional integrated cooling and safety protection device for underground heat damage treatment

Abstract

The invention discloses a multifunctional integrated cooling and safety protection device for underground heat damage treatment. The multifunctional integrated cooling and safety protection device comprises a walking mechanism, a protection shell, a cooling mechanism, a monitoring mechanism, a standby power supply, an emergency material storage cabinet and an ice maker. The device can be flexibly arranged underground and quickly deployed to an underground heat damage area, the energy consumption is lower, and the real-time adjustment delay and hysteresis of the underground temperature are avoided. In the heat damage treatment process, the sound fatigue influence of noise factors on underground miners is fully considered, the noise level is effectively reduced in the equipment operation process, and a relatively quiet operation environment is provided for the underground miners. Aiming at potential operation risks existing in a well, environment monitoring and alarming functions are particularly added, meanwhile, emergency self-rescue and safety protection functions are provided, a temporary safety environment can be provided for miners in an emergency, the survival probability of the miners is increased when dangers occur, and the safety of the miners is improved. Finally, a downhole operation safety guarantee system integrating cooling, noise reduction, environment monitoring and alarming functions is formed.

Description

Technical Field

[0001] The invention belongs to the technical field of mine heat damage control, and in particular relates to a multifunctional integrated cooling and safety protection device for underground heat damage control. Background Art

[0002] As the mining depth of mines continues to increase, more and more mines are experiencing heat damage due to factors such as heat dissipation from high-temperature surrounding rocks, air self-compression heat, heat dissipation from mechanical equipment, and oxidation heat. Heat damage is one of the factors that restrict safe production in mines. It not only harms the health of workers, but also reduces labor productivity, seriously affecting safe production and economic benefits. When heat damage occurs in mines, the high temperature environment not only affects the health and safety of workers, but also increases the physical consumption of workers. Therefore, in order to cool the excavation working face of the mine, the method of transporting refrigerants through pipelines is usually used.

[0003] The Chinese patent application with the announcement number CN108087013A discloses a mine cooling and heat damage utilization system, which combines a centralized cooling system and a mine full air volume system. A refrigeration station is centrally arranged on the ground, and the chilled water prepared by the refrigeration station is transported to the air cooler underground through a pipeline to cool and dehumidify the air underground. However, this solution requires two pipelines to transport the chilled water to the underground air cooler and the air heat exchanger in the wellhead room respectively, which has the problem of a more complex pipeline system and difficult maintenance and management. In addition, when transporting the cooling medium over long distances, energy consumption will inevitably increase, and there is also a certain delay and lag in the real-time adjustment of the underground temperature.

[0004] The Chinese patent application with the announcement number CN117145579A discloses a system and method for geothermal recycling and coordinated heat damage control in mines. The ground water is cooled by cooling equipment and then enters the underground cold water tank. It is purified and sterilized by the condenser and cooling equipment on the well, and the cold air is transported to the mine recovery working face. However, the cooling equipment and purification and sterilization equipment on the well require additional energy, which will inevitably lead to an increase in energy consumption. In addition, when transporting cooling air over long distances, energy consumption will also increase, and there is also a certain delay and lag in the real-time adjustment of the underground temperature.

[0005] The Chinese patent application with the publication number CN102080564A discloses a method for preventing and controlling heat damage in mines, which directly uses a high-efficiency refrigeration unit arranged above the mine to cool a portion of the air entering the mine, and the resulting low-temperature air is transmitted to the mine through the existing mine ventilation system. However, the energy consumption of the high-efficiency refrigeration unit is large, and directly using the high-efficiency refrigeration unit for cooling will inevitably lead to increased energy consumption, thereby increasing operating costs.

[0006] The Chinese patent application with the announcement number CN112145218A discloses a system and method for controlling heat damage in underground coal mining working faces. The system uses an insulation layer to isolate the surrounding rock from transferring heat to the underground tunnel. The refrigeration pipeline system relies on the original nitrogen injection pipeline and uses variable frequency refrigeration equipment to reduce the temperature underground. However, the refrigeration unit and nitrogen injection refrigeration method require a large amount of energy supply, which will inevitably lead to an increase in energy consumption and also increase the cost of refrigeration consumption.

[0007] The Chinese patent application with the announcement number CN101949298A discloses a coal mine underground refrigeration and cooling device. Through the control system's PLC, sensors, solenoid valves and other components, multiple parameters of the device are monitored and controlled, and the use of a semi-enclosed screw compressor can avoid refrigerant leakage. However, the screw compressor used in this solution will generate large noise and vibration during operation, which will cause great acoustic fatigue to the surrounding environment and workers. In addition, screw compressors usually require a large space for installation and operation, and are less suitable for underground space.

[0008] The Chinese patent application with announcement number CN220539668U discloses an integrated movable local refrigeration and cooling device for underground mines. The device consists of a compressor, a condenser, an evaporator, etc. Although it can meet the cooling needs, it does not fully consider the limitations of the narrow space in the tunnel, nor does it consider the impact of sound insulation and noise reduction. In addition, the cooling device uses a sliding shoe bracket, which is prone to problems when encountering tunnel turns, especially in narrow tunnels, which may make it impossible to turn.

[0009] The Chinese patent application with the announcement number CN106640172A discloses an integrated device for underground heat damage control, prevention and fire extinguishing in mines, which uses liquid nitrogen or liquid carbon dioxide to meet the cooling and fire extinguishing requirements. However, the storage and transportation of liquid nitrogen or liquid carbon dioxide requires strict low temperature conditions and high-pressure equipment, and will face technical and safety challenges in the complex environment underground. Once the equipment fails or leaks, it may cause serious safety accidents. In addition, liquid nitrogen or liquid carbon dioxide will quickly gasify during the release process, causing the local ambient temperature to drop sharply, which may have an adverse effect on miners and equipment, and even cause frostbite accidents or equipment damage.

[0010] A Chinese patent application with publication number CN117167071A discloses a mobile refrigeration system for high-temperature tunnels in underground metal mines. Although this solution meets good mobility and ease of operation, the heat exchange efficiency and refrigeration effect of its evaporator are not ideal in a high temperature and high humidity environment, making it difficult to achieve the expected cooling effect.

[0011] The Chinese patent application with announcement number CN115217508A discloses a mobile refrigeration and cooling device and method. Although this solution meets the requirements of good mobility and low operating costs, its isolation components need to be fixed in the tunnel and the wind barrier needs to be fixed to the ground. Therefore, there are problems such as complicated installation steps, long construction time and high construction difficulty.

[0012] An academic article titled "Design of Cooling System for Coal Mine in WBM, Indonesia" discloses a centralized ground refrigeration and cooling system. This solution sets an air cooler at the underground mining face, realizes the connection between the ground refrigeration unit and the underground pipeline, forms a refrigeration cycle, and realizes underground cooling. However, long-distance transmission will lead to a large loss of cold capacity, thereby reducing the overall cooling efficiency of the system. In addition, since the system involves long-distance transmission between the ground and underground, the maintenance of pipelines and equipment is more complicated, and in order to ensure the stable operation of the system, regular inspection and maintenance by professionals are required.

[0013] An academic article titled "Ventilation, Refrigeration and Cooling Technology for High-Temperature Heat-Hazard Mines" discloses a graded cooling method that combines full-air volume cooling at the wellhead with centralized cooling underground. However, the graded cooling used in this scheme usually requires a large amount of energy, so there is a problem of high system energy consumption. In addition, the chemical refrigerants used in the cooling process may also release harmful substances, which will have a safety and health impact on the miners. Summary of the invention

[0014] In view of the problems existing in the prior art, the present invention provides a multifunctional integrated cooling and safety protection device for underground heat damage control, which can be flexibly arranged underground and can be quickly deployed to the underground area where heat damage control is required. Compared with the long-distance transportation method of the cooling medium, it can effectively reduce energy consumption, and effectively avoid the delay and lag of the real-time adjustment of the underground temperature. In the process of heat damage control, the effect of noise factors on the acoustic fatigue of underground miners is fully considered, and the noise level is effectively reduced during the operation of the equipment, providing a relatively quiet working environment for underground miners. In view of the potential operating risks in the mine, environmental monitoring and alarm functions are specially added, and emergency self-rescue and safety protection functions are provided. It can provide a temporary safe environment for miners in an emergency, and improve the survival rate of miners when danger occurs, and finally form an underground operation safety guarantee system integrating cooling, noise reduction, environmental monitoring, and alarm functions.

[0015] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a multifunctional integrated cooling and safety protection device for underground heat damage control, including a walking mechanism, a protective shell, a cooling mechanism, a monitoring mechanism, a backup power supply, an emergency material storage cabinet and an ice maker; the protective shell is arranged above the walking mechanism; the cooling mechanism, the monitoring mechanism, the backup power supply, the emergency material storage cabinet and the ice maker are all arranged inside the protective shell.

[0016] The protective shell adopts a rectangular frame structure, the top plate and the bottom plate of the protective shell are fixedly connected to the frame body of the protective shell, the front baffle and the rear baffle of the protective shell are also fixedly connected to the frame body of the protective shell, and windows are provided on the front baffle and the rear baffle of the protective shell; the left baffle and the right baffle of the protective shell are both hinged to the frame body of the protective shell and are both flip-up opening structures, and a hydraulic support drive rod is provided between the left baffle and the right baffle of the protective shell and the frame body of the protective shell, one end of the hydraulic support drive rod is hinged to the lower end of the frame body, and the other end of the hydraulic support drive rod is hinged to the middle of the inner surface of the left baffle or the right baffle of the protective shell.

[0017] The cooling mechanism comprises a box, an air filter, an air compressor, a heat exchanger, a double-shaft high-speed magnetic levitation motor, a turbo expander and a circulating water cooler; the air filter, the air compressor, the heat exchanger, the double-shaft high-speed magnetic levitation motor, the turbo expander and the circulating water cooler are all installed inside the box; the air inlet of the air filter is connected to the main tunnel of the mine through an air inlet pipe, the air outlet of the air filter is connected to the air inlet of the air compressor, the air outlet of the air compressor is connected to the air path inlet of the heat exchanger, and the air path outlet of the heat exchanger is connected to the air path inlet of the heat exchanger. It is connected with the air inlet of the turbo expander, and the air outlet of the turbo expander is connected with the heat damage area underground; the water outlet of the circulating water cooler is connected with the water inlet of the heat exchanger, the water inlet of the circulating water cooler is connected with the water outlet of the heat exchanger, and the fan heat dissipation outlet of the circulating water cooler is connected with the main tunnel of the mine through the exhaust pipe; the first power output shaft of the double-output shaft high-speed magnetic levitation motor is fixedly connected to the power input shaft of the air compressor, and the second power output shaft of the double-output shaft high-speed magnetic levitation motor is fixedly connected to the power input shaft of the turbo expander.

[0018] A silencer is fixedly installed at the gas outlet of the turbo expander; the silencer as a whole adopts a cylindrical tube structure, the tube body of the silencer is a multi-layer structure, and each layer of the tube body is provided with silencer holes, the sizes of the silencer holes on each layer of the tube body are different, and sound-absorbing composite materials are filled between adjacent tube bodies.

[0019] A soundproof cover is arranged on the top of the box body; the soundproof cover adopts a honeycomb structure, and the inside of the soundproof cover is filled with sound-absorbing composite material.

[0020] A vibration-damping base is arranged at the bottom of the box body; the vibration-damping base includes a vibration-damping lower seat body and a vibration-damping upper seat body, and the vibration-damping upper seat body is fixedly installed above the vibration-damping lower seat body; the interior of the vibration-damping lower seat body is filled with a vibration-damping sandwich panel, the core layer of the vibration-damping sandwich panel is a rubber plate, and both sides of the rubber plate are polyurethane skins, and the rubber plate and the polyurethane skin are fixedly bonded with epoxy resin; the interior of the vibration-damping upper seat body is filled with damping vibration-damping particles, a supporting steel plate is arranged above the damping vibration-damping particles, and a foam rubber for fireproof sealing is arranged above the supporting steel plate.

[0021] The monitoring mechanism adopts a cabinet structure, and a temperature sensor, a humidity sensor, a gas concentration sensor, a strobe warning light, a buzzer alarm and a touch-screen display are respectively installed on the cabinet of the monitoring mechanism.

[0022] The emergency material storage cabinet is divided into a constant temperature area and a refrigerated area. The constant temperature area is used to store water, food, medicines and tools that can be stored at room temperature, and the refrigerated area is used to store food and medicines that need to be stored at low temperatures.

[0023] Beneficial effects of the present invention:

[0024] The multifunctional integrated cooling and safety protection device for underground heat damage control of the present invention can be flexibly arranged underground and can be quickly deployed to the underground area where heat damage control is required. Compared with the long-distance transportation method of the cooling medium, it can effectively reduce energy consumption, and effectively avoid the delay and lag of the real-time adjustment of the underground temperature. In the process of heat damage control, the effect of noise factors on the acoustic fatigue of underground miners is fully considered, and the noise level is effectively reduced during the operation of the equipment, providing a relatively quiet working environment for underground miners. In view of the potential operating risks in the underground, environmental monitoring and alarm functions are specially added, and emergency self-rescue and safety protection functions are provided. It can provide a temporary safe environment for miners in an emergency, and improve the survival rate of miners when danger occurs, and finally form an underground operation safety guarantee system integrating cooling, noise reduction, environmental monitoring, and alarm functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the multifunctional integrated cooling and safety protection device for underground heat damage treatment of the present invention;

[0026] Figure 2 It is an underground layout diagram of the multifunctional integrated cooling and safety protection device for underground heat damage treatment of the present invention;

[0027] Figure 3 This is an internal layout diagram of the multifunctional integrated cooling and safety protection device for underground heat damage control of the present invention;

[0028] Figure 4It is a structural schematic diagram of the cooling mechanism of the present invention;

[0029] Figure 5 It is the internal layout diagram of the cooling mechanism of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the muffler of the present invention;

[0031] Figure 7 It is a schematic structural diagram of the soundproof cover of the present invention;

[0032] Figure 8 A partial cross-sectional view of the vibration-damping base of the present invention;

[0033] Fig. 9 It is a structural schematic diagram of the backup power supply of the present invention;

[0034] Fig.10 It is a structural schematic diagram of the emergency material storage cabinet of the present invention;

[0035] Fig.11 It is a structural schematic diagram of the monitoring mechanism of the present invention;

[0036] Fig.12 It is a structural schematic diagram of the ice making machine of the present invention;

[0037] In the figure, I—travel mechanism, II—protective shell, III—cooling mechanism, IV—monitoring mechanism, V—backup power supply, VI—emergency material storage cabinet, VII—ice maker, 1—frame body, 2—left baffle, 3—right baffle, 4—hydraulic support drive rod, 5—box, 6—air filter, 7—air compressor, 8—heat exchanger, 9—double-output shaft high-speed magnetic levitation motor, 10—turbo expander, 11—circulating water chiller, 12—air intake pipe, 13—main mine tunnel, 14—underground heat damage area, 15—exhaust pipe, 16—muffler, 17—soundproof cover, 18—vibration reduction base, 19—vibration reduction lower seat, 20—vibration reduction upper seat. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] like Figures 1 to 12 As shown, a multifunctional integrated cooling and safety protection device for underground heat damage control includes a traveling mechanism I, a protective shell II, a cooling mechanism III, a monitoring mechanism IV, a backup power supply V, an emergency material storage cabinet VI and an ice maker VII; the protective shell II is arranged above the traveling mechanism I; the cooling mechanism III, the monitoring mechanism IV, the backup power supply V, the emergency material storage cabinet VI and the ice maker VII are all arranged inside the protective shell II.

[0040] The protective shell II adopts a rectangular frame structure, the top plate and the bottom plate of the protective shell II are fixedly connected to the frame body 1 of the protective shell II, the front baffle and the rear baffle of the protective shell II are also fixedly connected to the frame body 1 of the protective shell II, and windows are provided on the front baffle and the rear baffle of the protective shell II; the left baffle 2 and the right baffle 3 of the protective shell II are both hinged to the frame body 1 of the protective shell II and are both flip-up opening structures, and a hydraulic support drive rod 4 is arranged between the left baffle 2 and the right baffle 3 of the protective shell II and the frame body 1 of the protective shell II, one end of the hydraulic support drive rod 4 is hinged to the lower end of the frame body 1, and the other end of the hydraulic support drive rod 4 is hinged to the middle of the inner surface of the left baffle 2 or the right baffle 3 of the protective shell II.

[0041] The cooling mechanism III comprises a housing 5, an air filter 6, an air compressor 7, a heat exchanger 8, a double-shaft high-speed magnetic levitation motor 9, a turbo expander 10 and a circulating water cooler 11; the air filter 6, the air compressor 7, the heat exchanger 8, the double-shaft high-speed magnetic levitation motor 9, the turbo expander 10 and the circulating water cooler 11 are all installed inside the housing 5; the air inlet of the air filter 6 is connected to the main mine tunnel 13 through the air inlet pipe 12, the air outlet of the air filter 6 is connected to the air inlet of the air compressor 7, the air outlet of the air compressor 7 is connected to the air path inlet of the heat exchanger 8, and the heat exchanger 8 is connected to the air inlet of the heat exchanger 8. The gas outlet is connected to the air inlet of the turbo expander 10, and the air outlet of the turbo expander 10 is connected to the underground heat damage area 14; the water outlet of the circulating water cooler 11 is connected to the water inlet of the heat exchanger 8, and the water inlet of the circulating water cooler 11 is connected to the water outlet of the heat exchanger 8, and the fan heat dissipation outlet of the circulating water cooler 11 is connected to the main tunnel 13 of the mine through the exhaust pipe 15; the first power output shaft of the double-output shaft high-speed magnetic levitation motor 9 is fixedly connected to the power input shaft of the air compressor 7, and the second power output shaft of the double-output shaft high-speed magnetic levitation motor 9 is fixedly connected to the power input shaft of the turbo expander 10.

[0042] A muffler 16 is fixedly installed at the air outlet of the turbo expander 10; the muffler 16 adopts a cylindrical tube structure as a whole, and the tube body of the muffler 16 is a multi-layer structure, and each layer of the tube body is provided with a muffler hole, and the size of the muffler hole on each layer of the tube body is different, and sound-absorbing composite materials are filled between adjacent tube bodies.

[0043] In this embodiment, the silencer 16 has three layers of cylinder body, and the size of the silencer holes on the three-layer cylinder body is the smallest in the inner layer and the largest in the outer layer. Through the coordination of the silencer holes and the sound-absorbing composite material, the absorption of noise in different frequency bands can be achieved, so as to reduce the noise level of exhaust gas in the underground heat damage area 14 during the cooling process.

[0044] A soundproof cover 17 is arranged on the top of the box body 5; the soundproof cover 17 adopts a honeycomb structure, and the inside of the soundproof cover 17 is filled with sound-absorbing composite material.

[0045] In this embodiment, the top plate of the box body 5 is completely covered by the sound insulation cover 17, which can fully suppress the noise inside the box body 5 from radiating to the outside of the box body 5.

[0046] A vibration-damping base 18 is arranged at the bottom of the box body 5; the vibration-damping base 18 includes a vibration-damping lower seat body 19 and a vibration-damping upper seat body 20, and the vibration-damping upper seat body is fixedly installed above the vibration-damping lower seat body; the interior of the vibration-damping lower seat body 19 is filled with a vibration-damping sandwich panel, the core layer of the vibration-damping sandwich panel is a rubber plate, and the two sides of the rubber plate are polyurethane skins, and the rubber plate and the polyurethane skin are fixedly bonded with epoxy resin; the interior of the vibration-damping upper seat body 20 is filled with damping vibration-damping particles, a supporting steel plate is arranged above the damping vibration-damping particles, and a foam rubber for fireproof sealing is arranged above the supporting steel plate.

[0047] The monitoring mechanism IV adopts a cabinet structure, and a temperature sensor, a humidity sensor, a gas concentration sensor, a strobe warning light, a buzzer alarm and a touch screen are respectively installed on the cabinet of the monitoring mechanism IV.

[0048] The emergency material storage cabinet VI is divided into a constant temperature area and a refrigerated area. The constant temperature area is used to store water, food, medicines and tools that can be stored at room temperature, and the refrigerated area is used to store food and medicines that need to be stored at low temperatures.

[0049] The following describes a one-time use process of the present invention in conjunction with the accompanying drawings:

[0050] In this embodiment, the walking mechanism I adopts a crawler structure, and according to actual needs, a wheel structure can also be adopted. The air intake pipe 12 and the exhaust pipe 15 of the cooling mechanism III both adopt a flexible pipe body that can be retracted and bent.

[0051] When the underground heat damage area 14 is determined, the present invention is first moved as a whole to the underground heat damage area 14 through the walking mechanism I to achieve flexible arrangement and rapid deployment of the equipment.

[0052] When the present invention is deployed in place, the air intake pipe 12 and the exhaust pipe 15 are first extended so that the air inlet of the air intake pipe 12 and the exhaust port of the exhaust pipe 15 are both extended into the main tunnel 13 of the mine. It should be noted that in order to prevent the air sucked in by the air intake of the air intake pipe 12 from being affected by the hot air discharged from the exhaust port of the exhaust pipe 15, the air intake of the air intake pipe 12 should be located upstream of the ventilation of the main tunnel 13 of the mine, and the exhaust port of the exhaust pipe 15 should be located downstream of the ventilation of the main tunnel 13 of the mine.

[0053] When the air intake duct 12 and the exhaust duct 15 are in place, the cooling mechanism III is started, and the double-output shaft high-speed magnetic levitation motor 9 synchronously drives the air compressor 7 and the turbo expander 10 to operate, and the circulating water chiller 11 continuously provides cooling water for the water circuit of the heat exchanger 8.

[0054] With the start-up of the cooling mechanism III, the air in the main tunnel 13 of the mine is sucked into the air intake pipe 12 under the action of negative pressure, and then enters the air compressor 7 after being filtered by the air filter 6. The air compressor 7 converts the air into a high-temperature and high-pressure state. Thereafter, the air in the high-temperature and high-pressure state enters the heat exchanger 8 for heat exchange with the cooling water in the water channel. After being discharged from the heat exchanger 8, it becomes a high-pressure and normal-temperature state. Then, the air in the high-pressure and normal-temperature state enters the turbo expander 10, and the turbo expander 10 converts the air into a normal-pressure and low-temperature state. Finally, the air in the normal-pressure and low-temperature state will be discharged into the underground heat damage area 14 after being silenced by the muffler 16, thereby cooling the underground heat damage area 14.

[0055] When the cooling water in the water circuit of the heat exchanger 8 completes heat exchange with the air in a high-temperature and high-pressure state, the temperature of the cooling water will increase, and then the heated cooling water will flow through the cooling fan of the circulating water chiller 11, and the cooling fan will cool the cooling water. The hot air generated by the air cooling enters the exhaust duct 15 through the fan heat dissipation port, and is finally discharged into the main mine tunnel 13 by the exhaust duct 15, and then discharged into the outside of the mine along with the ventilation of the main mine tunnel 13.

[0056] During the operation of the cooling mechanism III, the vibration generated by it can be reduced by the vibration-reducing sandwich panels and the damping vibration-reducing particles in the vibration-reducing base 18, and the vibration noise is further reduced through the vibration reduction process.

[0057] During the cooling process of the underground heat damage area 14, if the gas concentration data detected by the gas concentration sensor of the monitoring unit IV exceeds the set safety threshold, the strobe warning light and the buzzer alarm will simultaneously realize sound and light alarm to remind the underground workers of the safety risks, so that the underground workers can evacuate the risk area in time.

[0058] During the cooling process of the underground heat damage area 14, if a sudden impact ground pressure causes the tunnel roof to collapse and rockfall, in order to reduce the risk of rockfall to underground workers, the hydraulic support drive rod 4 can be immediately started to flip the left baffle 2 and the right baffle 3 of the protective shell II from a vertical state to a horizontal state, thereby forming a temporary safety zone under the left baffle 2 and the right baffle 3. After the rockfall process is over, the rockfall area can be evacuated.

[0059] If the evacuation passage is blocked and the regular power supply is cut off, the backup power supply V, emergency material storage cabinet VI and ice maker VII can be activated. The water, food and medicine in the emergency material storage cabinet VI can be used to increase the survival time of the trapped people. At the same time, the ice maker VII can provide the trapped people with ice for emergency cooling, thereby delaying the golden rescue time.

[0060] The solutions in the embodiments are not intended to limit the protection scope of the present invention. All equivalent implementations or changes that do not deviate from the present invention are included in the protection scope of the present invention.

Claims

1. A multifunctional integrated cooling and safety protection device for underground heat damage control, characterized in that: It includes a walking mechanism, a protective shell, a cooling mechanism, a monitoring mechanism, a backup power supply, an emergency material storage cabinet and an ice maker; the protective shell is arranged above the walking mechanism; the cooling mechanism, the monitoring mechanism, the backup power supply, the emergency material storage cabinet and the ice maker are all arranged inside the protective shell.

2. The multifunctional integrated cooling and safety protection device for underground heat damage control according to claim 1 is characterized in that: The protective shell adopts a rectangular frame structure, the top plate and the bottom plate of the protective shell are fixedly connected to the frame body of the protective shell, the front baffle and the rear baffle of the protective shell are also fixedly connected to the frame body of the protective shell, and windows are provided on the front baffle and the rear baffle of the protective shell; the left baffle and the right baffle of the protective shell are both hinged to the frame body of the protective shell and are both flip-up opening structures, and a hydraulic support drive rod is provided between the left baffle and the right baffle of the protective shell and the frame body of the protective shell, one end of the hydraulic support drive rod is hinged to the lower end of the frame body, and the other end of the hydraulic support drive rod is hinged to the middle of the inner surface of the left baffle or the right baffle of the protective shell.

3. The multifunctional integrated cooling and safety protection device for underground heat damage control according to claim 1 is characterized in that: The cooling mechanism comprises a box, an air filter, an air compressor, a heat exchanger, a double-shaft high-speed magnetic levitation motor, a turbo expander and a circulating water cooler; the air filter, the air compressor, the heat exchanger, the double-shaft high-speed magnetic levitation motor, the turbo expander and the circulating water cooler are all installed inside the box; the air inlet of the air filter is connected to the main tunnel of the mine through an air inlet pipe, the air outlet of the air filter is connected to the air inlet of the air compressor, the air outlet of the air compressor is connected to the air path inlet of the heat exchanger, and the air path outlet of the heat exchanger is connected to the air path inlet of the heat exchanger. It is connected with the air inlet of the turbo expander, and the air outlet of the turbo expander is connected with the heat damage area underground; the water outlet of the circulating water cooler is connected with the water inlet of the heat exchanger, the water inlet of the circulating water cooler is connected with the water outlet of the heat exchanger, and the fan heat dissipation outlet of the circulating water cooler is connected with the main tunnel of the mine through the exhaust pipe; the first power output shaft of the double-output shaft high-speed magnetic levitation motor is fixedly connected to the power input shaft of the air compressor, and the second power output shaft of the double-output shaft high-speed magnetic levitation motor is fixedly connected to the power input shaft of the turbo expander.

4. The multifunctional integrated cooling and safety protection device for underground heat damage control according to claim 3 is characterized in that: A silencer is fixedly installed at the gas outlet of the turbo expander; the silencer as a whole adopts a cylindrical tube structure, the tube body of the silencer is a multi-layer structure, and each layer of the tube body is provided with silencer holes, the sizes of the silencer holes on each layer of the tube body are different, and sound-absorbing composite materials are filled between adjacent tube bodies.

5. The multifunctional integrated cooling and safety protection device for underground heat damage control according to claim 3 is characterized in that: A soundproof cover is arranged on the top of the box body; the soundproof cover adopts a honeycomb structure, and the inside of the soundproof cover is filled with sound-absorbing composite material.

6. The multifunctional integrated cooling and safety protection device for underground heat damage control according to claim 3 is characterized in that: A vibration-damping base is arranged at the bottom of the box body; the vibration-damping base includes a vibration-damping lower seat body and a vibration-damping upper seat body, and the vibration-damping upper seat body is fixedly installed above the vibration-damping lower seat body; the interior of the vibration-damping lower seat body is filled with a vibration-damping sandwich panel, the core layer of the vibration-damping sandwich panel is a rubber plate, and both sides of the rubber plate are polyurethane skins, and the rubber plate and the polyurethane skin are fixedly bonded with epoxy resin; the interior of the vibration-damping upper seat body is filled with damping vibration-damping particles, a supporting steel plate is arranged above the damping vibration-damping particles, and a foam rubber for fireproof sealing is arranged above the supporting steel plate.

7. The multifunctional integrated cooling and safety protection device for underground heat damage control according to claim 1 is characterized in that: The monitoring mechanism adopts a cabinet structure, and a temperature sensor, a humidity sensor, a gas concentration sensor, a strobe warning light, a buzzer alarm and a touch-screen display are respectively installed on the cabinet of the monitoring mechanism.

8. The multifunctional integrated cooling and safety protection device for underground heat damage control according to claim 1 is characterized in that: The emergency material storage cabinet is divided into a constant temperature area and a refrigerated area. The constant temperature area is used to store water, food, medicines and tools that can be stored at room temperature, and the refrigerated area is used to store food and medicines that need to be stored at low temperatures.

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