CN110410131B - Mine heat damage treatment and comprehensive utilization system - Google Patents
Mine heat damage treatment and comprehensive utilization system Download PDFInfo
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- CN110410131B CN110410131B CN201910705598.7A CN201910705598A CN110410131B CN 110410131 B CN110410131 B CN 110410131B CN 201910705598 A CN201910705598 A CN 201910705598A CN 110410131 B CN110410131 B CN 110410131B
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- 230000006378 damage Effects 0.000 title abstract description 14
- 230000003685 thermal hair damage Effects 0.000 claims abstract description 15
- 238000004321 preservation Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 73
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000011435 rock Substances 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 16
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005065 mining Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a mine thermal damage treatment and comprehensive utilization system, which comprises a filling body, an underground heat exchange subsystem and an above-ground heat energy circulation subsystem, wherein the filling body is arranged on the inner wall of a mine roadway; the overground heat energy circulation subsystem comprises a circulating pump, a heat supply end and a surface reservoir, the heat-preservation heat-conducting pipe is communicated with the circulating pump, the circulating pump is communicated with the heat pump, the heat pump is communicated with the heat supply end, and the heat supply end provides heat for users. The mine heat damage treatment and comprehensive utilization system provided by the invention has the advantages of simple structure, low operation cost, capability of absorbing deep geothermal energy, realizing cooling, capability of converting heat damage into available energy, capability of changing waste into valuable, energy conservation and environmental friendliness.
Description
Technical Field
The invention relates to the technical field of mine cooling, in particular to a mine heat damage treatment and comprehensive utilization system.
Background
China is a world coal-producing big country and is also the country with the most high-temperature heat damage mines. Along with the increase of the mining depth of the mine, the problem of high-temperature thermal damage of the mine is more serious. The underground high-temperature and high-humidity climate condition not only damages the physical health of workers, but also greatly reduces the labor productivity and even makes the excavation work impossible.
At present, mine cooling methods are divided into an uncooled cooling method and a refrigerated cooling method, and the uncooled cooling method comprises ventilation cooling, heat source reduction, ice refrigeration cooling and the like, and 2 cooling methods are often integrated for cooling practice. For mines with serious heat damage problems, refrigeration cooling is mainly used, non-refrigeration cooling is used as an auxiliary, and the cooling method is generally applicable and has good effect, but is not economical and energy-saving. And the ventilation and cooling of the mine to the excavation operation place are realized by high-power air conditioning equipment, but the high-power air conditioning equipment has large volume, difficult maintenance and extremely high investment cost, and simultaneously, the operation cost is higher because the power consumption is high. Therefore, it is very important to research an economical, effective, energy-saving and environment-friendly method.
Disclosure of Invention
The invention aims to provide a mine heat damage treatment and comprehensive utilization system which is simple in structure, low in operation cost, capable of absorbing deep geothermal energy, achieving cooling, converting heat damage into available energy, changing waste into valuable, and achieving energy conservation and environmental protection.
In order to achieve the purpose, the invention provides the following scheme:
a mine thermal damage treatment and comprehensive utilization system comprises a filling body, an underground heat exchange subsystem and an above-ground heat energy circulation subsystem, wherein the filling body, the underground heat exchange subsystem and the above-ground heat energy circulation subsystem are distributed on the inner wall of a mine roadway; the underground water reservoir group is used for providing a cold water source for heat exchange;
the above-ground heat energy circulation subsystem comprises a circulating pump, a heat supply end and a surface reservoir, wherein the heat preservation heat conduction pipe is communicated with the circulating pump, the circulating pump is communicated with the heat pump, the heat pump is communicated with the heat supply end, the heat supply end provides heat energy for users, the heat supply end is communicated with the surface reservoir, and water in the heat supply end which is used up with heat flows into the surface reservoir;
the surface reservoir is communicated with the underground reservoir group in a bidirectional mode through a water injection pipeline and a drainage pipeline, the water injection pipeline is used for supplementing water to the underground reservoir group by the surface reservoir, and the drainage pipeline is used for draining water to the surface reservoir group by the underground reservoir group; the water injection pipeline is provided with a hydraulic generator, and the drainage pipeline is provided with a drainage pump.
Optionally, the heat exchange tube is a serpentine heat exchange tube.
Optionally, the underground reservoir group comprises a first underground reservoir, a second underground reservoir and a third underground reservoir which are sequentially communicated, the first underground reservoir is communicated with a plurality of water collecting grooves in the mine and is used for collecting underground water, a rock filter layer is arranged in the second underground reservoir, and the third underground reservoir is communicated with the water separator; a first flow guide hole is formed between the first underground reservoir and the second underground reservoir, and is provided with a filter screen and a first one-way gate; and a second flow guide hole is formed between the second underground reservoir and the third underground reservoir, and a second one-way gate is arranged in the second flow guide hole.
Optionally, the filling body is an insulating heat conducting material.
Optionally, mine thermal damage is administered and comprehensive utilization system still includes integrated control system, integrated control system includes monitor terminal, level sensor, first temperature sensor and second temperature sensor, level sensor and first temperature sensor set up third underground reservoir, second temperature sensor sets up the earth's surface reservoir, monitor terminal include the controller and with controller electric connection's display, the controller respectively with level sensor, first temperature sensor, second temperature sensor, drain pump and circulating pump electric connection.
Optionally, the heat-insulating heat-conducting pipe includes a heat-conducting pipe and a heat-insulating layer wrapped outside the heat-conducting pipe.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: according to the mine thermal damage treatment and comprehensive utilization system, water is used as a heat exchange medium in the underground heat exchange subsystem, heat exchange is carried out on the thermal damage problem in the roadway through the plurality of heat exchange pipelines, meanwhile, heat energy is converted into heat energy which can be utilized by a user heat supply end through a heat pump, not only is the temperature reduction in the mine roadway effectively realized, the thermal damage problem is solved, but also the energy is recycled, and the system is more energy-saving and environment-friendly, and because the temperature of surrounding rock of the underground roadway is higher than the wind temperature and is stable, the heat exchange effect is more obvious compared with that of a traditional temperature reduction mode, and the system is high in operation efficiency, low in operation cost, green, environment-friendly, efficient and energy-saving; the surface reservoir, the underground reservoir and the deep mining are combined, so that the water is recycled and reasonably used, the mining work is ensured, and the influence degree of heat damage is reduced; in addition, the surface reservoir is used for supplementing water to the underground reservoir, and water potential energy is used for realizing pumped storage power generation, so that the comprehensive utilization value of the system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a mine thermal damage treatment and comprehensive utilization system according to an embodiment of the invention;
fig. 2 is a schematic diagram of the construction position of an underground reservoir group according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of an underground water reservoir group according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a heat exchange tube according to an embodiment of the present invention;
reference numerals: 1. a first underground water reservoir; 2. a second underground water reservoir; 3. a third underground water reservoir; 4. a water separator; 5. a heat exchange pipe; 6. a filler body; 7. a water collector; 8. a heat conducting pipe; 9. a heat-insulating layer; 10. a circulation pump; 11. a heat pump; 12. a heat supply end; 13. a surface reservoir; 14. a water injection pipeline; 15. a hydro-generator; 16. a water discharge pipeline; 17. draining pump; 18. a first flow guide hole; 19. and the second diversion hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a mine heat damage treatment and comprehensive utilization system which is simple in structure, low in operation cost, capable of absorbing deep geothermal energy, achieving cooling, converting heat damage into available energy, changing waste into valuable, and achieving energy conservation and environmental protection.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 and 4, the mine thermal damage treatment and comprehensive utilization system provided by the embodiment of the present invention includes a filling body 6 arranged on the inner wall of a mine roadway, and is characterized by further including: the underground heat exchange subsystem is positioned in an underground deep mine and comprises an underground reservoir group, a water distributor 4, a plurality of heat exchange tubes 5, a water collector 7 and a heat preservation heat conduction tube, wherein the underground reservoir group, the water distributor 4, the heat exchange tubes 5, the water collector 7 and the heat preservation heat conduction tube are positioned in a goaf; the underground reservoir group is used for providing a cold water source for heat exchange, a refrigerator can be arranged in the underground reservoir group, and when the water temperature in the underground reservoir is higher, the water in the underground reservoir can be cooled by the refrigerator. In order to improve the heat exchange efficiency and increase the heat exchange area, the heat exchange tube 5 adopts a snakelike bent heat exchange tube and is embedded in the filling body 6, water flows in the pipeline and takes away the surrounding heat, and then the water flows to the ground heat energy circulation subsystem on the ground through the heat insulation heat conduction tube; the heat-insulating heat-conducting pipe comprises a heat-conducting pipe 8 and a heat-insulating layer 9 wrapped outside the heat-conducting pipe 8, and the heat-insulating pipe heat-conducting pipe is buried underground and communicated with the underground heat exchange subsystem and the overground heat energy circulation subsystem; the filling body 6 is made of insulating heat conducting materials, such as filling body materials commonly used in mines. The large amount of heat collected downhole can be used for heating and domestic water, and when the heat cannot heat hot water to the required temperature, an auxiliary heat source can be added into the system to meet the needs of users, so that the scheme has obvious economical efficiency.
The above-ground heat energy circulation subsystem comprises a circulation pump 10, a heat pump 11, a heat supply end 12 and a ground surface reservoir 13, wherein the heat preservation heat conduction pipe is communicated with the circulation pump 10, the circulation pump 10 is communicated with the heat pump 11, the heat pump 11 is communicated with the heat supply end 12, the heat supply end 12 provides heat energy for users and can supply heat for cities in winter, the heat supply end 12 is communicated with the ground surface reservoir 13, and water in the heat supply end 12 which is used up with heat flows into the ground surface reservoir 13.
The surface reservoir 13 is communicated with the underground reservoir group in a bidirectional mode through a water injection pipeline 14 and a water discharge pipeline 16, the water injection pipeline 14 is used for supplementing water to the underground reservoir group by the surface reservoir 13, and the water discharge pipeline 16 is used for discharging water to the surface reservoir 13 by the underground reservoir group; the water injection pipeline is provided with a hydraulic generator 15, and the drainage pipeline 16 is provided with a drainage pump 17. The hydraulic generator 15 is driven to generate electricity by the water level difference generated by the upper reservoir and the lower reservoir.
The underground reservoir group comprises a first underground reservoir 1, a second underground reservoir 2 and a third underground reservoir 3 which are sequentially communicated, the first underground reservoir 1 is communicated with a plurality of water collecting tanks in a mine and is used for collecting underground water or mining industrial wastewater, a rock filter layer is arranged in the second underground reservoir 2 and is used for filtering, adsorbing and purifying the wastewater, and the third underground reservoir 3 is communicated with the water separator 4 and is communicated with the surface reservoir through a water injection pipeline 14 and a drainage pipeline 16; a first diversion hole 18 is formed between the first underground reservoir 1 and the second underground reservoir 2, and a filter screen and a first one-way gate are arranged in the first diversion hole 18; a second diversion hole 19 is formed between the second underground reservoir 2 and the third underground reservoir 3, and a second one-way gate is arranged in the second diversion hole 19. The third underground water reservoir 3 may also supply water to the working surface.
The mine thermal damage treatment and comprehensive utilization system further comprises a comprehensive control system, the comprehensive control system comprises a monitoring terminal, a liquid level sensor, a first temperature sensor and a second temperature sensor, the liquid level sensor and the first temperature sensor are arranged in the third underground reservoir, the second temperature sensor is arranged in the surface reservoir, the monitoring terminal comprises a controller and a display electrically connected with the controller, and the controller is electrically connected with the liquid level sensor, the first temperature sensor, the second temperature sensor, the drainage pump and the circulation pump respectively; the liquid level sensor is used for collecting the water storage capacity of the third underground reservoir 3, the first temperature sensor is used for collecting the water temperature of the third underground reservoir 3, the second temperature sensor is used for collecting the water temperature of the surface reservoir 13, the water temperature is transmitted to the controller and displayed through the display, and therefore workers can know related operation parameters conveniently; the controller can also control a refrigerator arranged in the third water reservoir, so that the water for heat exchange is kept at a low temperature, and the heat exchange efficiency is improved; the controller can also control the start and stop of the draining pump and the circulating pump, and automatic remote monitoring is realized.
The dam body of the underground reservoir consists of pillar dam bodies and artificial dam bodies, the pillar dam bodies fully utilize a working face to mine reserved safety pillars, the artificial dam bodies are located between the pillar dam bodies, and the pillar dam bodies are connected through the artificial dam bodies to form the dam body of the underground reservoir together.
According to the mine thermal damage treatment and comprehensive utilization system, water is used as a heat exchange medium in the underground heat exchange subsystem, heat exchange is carried out on the thermal damage problem in the roadway through the plurality of heat exchange pipelines, meanwhile, heat energy is converted into heat energy which can be utilized by a user heat supply end through a heat pump, not only is the temperature reduction in the mine roadway effectively realized, the thermal damage problem is solved, but also the energy is recycled, and the system is more energy-saving and environment-friendly, and because the temperature of surrounding rock of the underground roadway is higher than the wind temperature and is stable, the heat exchange effect is more obvious compared with that of a traditional temperature reduction mode, and the system is high in operation efficiency, low in operation cost, green, environment-friendly, efficient and energy-saving; the surface reservoir, the underground reservoir and the deep mining are combined, so that the water is recycled and reasonably used, the mining work is ensured, and the influence degree of heat damage is reduced; in addition, the surface reservoir is used for supplementing water to the underground reservoir, and water potential energy is used for realizing pumped storage power generation, so that the comprehensive utilization value of the system is improved.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (4)
1. The utility model provides a mine thermal damage is administered and is used multipurposely system, is including laying the obturator at mine tunnel inner wall, its characterized in that still includes: the underground heat exchange subsystem comprises an underground reservoir group, a water distributor, a plurality of heat exchange tubes, a water collector and a heat preservation heat conduction tube, wherein the underground reservoir group, the water distributor, the heat exchange tubes, the water collector and the heat preservation heat conduction tube are positioned in a goaf; the underground water reservoir group is used for providing a cold water source for heat exchange;
the above-ground heat energy circulation subsystem comprises a circulating pump, a heat supply end and a surface reservoir, wherein the heat preservation heat conduction pipe is communicated with the circulating pump, the circulating pump is communicated with the heat pump, the heat pump is communicated with the heat supply end, the heat supply end provides heat energy for users, the heat supply end is communicated with the surface reservoir, and water in the heat supply end which is used up with heat flows into the surface reservoir;
the surface reservoir is communicated with the underground reservoir group in a bidirectional mode through a water injection pipeline and a drainage pipeline, the water injection pipeline is used for supplementing water to the underground reservoir group by the surface reservoir, and the drainage pipeline is used for draining water to the surface reservoir group by the underground reservoir group; a hydraulic generator is arranged on the water injection pipeline, and a drainage pump is arranged on the drainage pipeline;
the underground reservoir group comprises a first underground reservoir, a second underground reservoir and a third underground reservoir which are sequentially communicated, the first underground reservoir is communicated with a plurality of water collecting grooves in the mine and is used for collecting underground water, a rock filter layer is arranged in the second underground reservoir, and the third underground reservoir is communicated with the water separator; a first flow guide hole is formed between the first underground reservoir and the second underground reservoir, and is provided with a filter screen and a first one-way gate; a second flow guide hole is formed between the second underground reservoir and the third underground reservoir, and a second one-way gate is arranged in the second flow guide hole;
mine thermal damage is administered and is used multipurposely system still includes integrated control system, integrated control system includes monitor terminal, level sensor, first temperature sensor and second temperature sensor, level sensor and first temperature sensor set up third underground reservoir, second temperature sensor sets up the earth's surface reservoir, monitor terminal include the controller and with controller electric connection's display, the controller respectively with level sensor, first temperature sensor, second temperature sensor, drain pump and circulating pump electric connection.
2. The mine thermal hazard treatment and comprehensive utilization system as claimed in claim 1, wherein the heat exchange tubes are serpentine-shaped bent heat exchange tubes.
3. The mine thermal hazard treatment and comprehensive utilization system of claim 1, wherein the filling body is an insulating and heat conducting material.
4. The mine thermal hazard treatment and comprehensive utilization system as claimed in claim 1, wherein the heat-insulating heat-conducting pipe comprises a heat-conducting pipe and a heat-insulating layer wrapped outside the heat-conducting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705598.7A CN110410131B (en) | 2019-08-01 | 2019-08-01 | Mine heat damage treatment and comprehensive utilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910705598.7A CN110410131B (en) | 2019-08-01 | 2019-08-01 | Mine heat damage treatment and comprehensive utilization system |
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| CN110410131A CN110410131A (en) | 2019-11-05 |
| CN110410131B true CN110410131B (en) | 2021-05-07 |
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| CN114216276B (en) * | 2021-12-15 | 2023-11-10 | 国家能源投资集团有限责任公司 | Dry and hot rock water circulation system |
| CN114608219B (en) * | 2022-01-24 | 2022-11-04 | 中国矿业大学 | Cold and hot conversion cyclic utilization system of high temperature mine water resource |
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| CN107023294B (en) * | 2017-06-06 | 2018-05-11 | 西安科技大学 | Mineral deposit cooperates with recovery method and system with underground heat |
| CN107218738B (en) * | 2017-06-06 | 2018-01-05 | 西安科技大学 | Mineral deposit cooperates with exploitation stope filling heat sink and method with underground heat |
| CN107589146B (en) * | 2017-08-25 | 2018-07-13 | 西安科技大学 | High-temperature mine obturation accumulation of heat heat release experimental simulation device and method |
| CN107726439A (en) * | 2017-09-14 | 2018-02-23 | 河南理工大学 | A kind of heating system using coal mine gob thermal source |
| CN108087013B (en) * | 2017-12-11 | 2019-12-17 | 中国矿业大学 | Mine cooling and heat damage utilization system |
| CN108252714B (en) * | 2018-01-10 | 2019-11-19 | 中国矿业大学 | A kind of deep coal cooperates with winning apparatus and method with underground heat |
| CN109945534A (en) * | 2019-03-07 | 2019-06-28 | 中国矿业大学(北京) | A kind of mine heat energy system and construction method |
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