CN108506036A - A kind of mine cooling and heating system using mine return air heat energy - Google Patents
A kind of mine cooling and heating system using mine return air heat energy Download PDFInfo
- Publication number
- CN108506036A CN108506036A CN201810219743.6A CN201810219743A CN108506036A CN 108506036 A CN108506036 A CN 108506036A CN 201810219743 A CN201810219743 A CN 201810219743A CN 108506036 A CN108506036 A CN 108506036A
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- return air
- heat exchange
- heat
- exchange station
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- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 claims description 11
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000007791 dehumidification Methods 0.000 claims description 5
- 239000002918 waste heat Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 7
- 235000019628 coolness Nutrition 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 238000003287 bathing Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 206010019345 Heat stroke Diseases 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of mine coolings and heating system using mine return air heat energy, belong to underground thermal pollution to administer technical field.The system can realize mine cooling, to reduce heat hazard influence, the heat supply of mine can also be realized, to realize antifreezing of underground mine.The device that this programme provides, using mine return air as low-temperature receiver, either heat source carries out cooling to the air for being sent into well head or for heat treatment so that the air being sent into mine reaches design requirement, realizes the whole purpose for improving mine air temperature and humidity.The present invention can be recycled waste thermal energy in mine return air, it can be achieved that mine full blast amount cools down, and can realize the preventing freeze in winter of mine well head.Compared with prior art, the thermal environment in mine can be improved on the whole, effectively reduce mine seasonality heat hazard influence, there is significant economic benefit, environmental benefit and social benefit.
Description
Technical field
The present invention relates to a kind of mine coolings and heating system using mine return air heat energy, belong to underground thermal pollution to administer skill
Art field.
Background technology
With the increase of coal in China demand, superficial part resource gradually decreases, the continuous improvement of pit mining depth, mine
Heat evil problem highlights.The climatic environment of underground high temperature and humidity generates excessively high thermal stress, influences the thermal balance of human body, makes one to feel
It is uncomfortable, staff's heatstroke is even resulted in, accident rate is caused to increase, and productivity reduces, seriously affects safe coal production.
For the work situation for improving in mine, improve labor efficiency and safety benefit, using it is aeration-cooling cannot be effective
The method of mechanical refrigeration cooling must be used to realize mine cooling when solving heat evil problem, to effectively reduce underground thermal pollution problem
Caused by influence.
Refrigeration unit, system is arranged on ground or underground in mine cooling method generally use centralization cooling system at present
Go out low temperature chilled water, by low temperature chilled water by Pipeline transport to place to use, eventually by the underground place to use installed
Aerial cooler carries out cool-down dehumidification to the air for entering working face, achievees the purpose that improve operating location air environment.It is this
System can play certain cooling-down effect, but mine takes up a large area and disperseed with cold place, and centralized arrangement refrigeration plant will be led
Refrigeration water transfer pipeline is long, and the freezing temperature liter behind the cold place of arrival in cold water delivery pipe is larger, leads to cooling-down effect not
It can meet the requirements.
Thermal post_buckling other than having refrigeration demand, also building and heating, equipment and for worker's bathing life heat
The thermal demand of water, the thermal energy that most domestic coal industry field place needs at present is provided by coal-burning boiler.It is this traditional
Heat-supplying mode can not only consume a large amount of non-renewable energy resources, while can also discharge a large amount of greenhouse gases and noxious pollutant,
One of the main reason for influencing atmospheric environment, being current China's haze weather formation.For effective protection environment, country carries forward vigorously
The use of clean energy resource and regenerative resource, and the utilization of waste heat and heat sources is advocated energetically.
The annual temperature substantially constant of mine return air, is influenced seldom by outside climatic, is a kind of good low-temperature heat source.
Therefore, a large amount of Lowlevel thermal energy resource is contained in mine return air.If the residual heat resources are used, the energy saving of coal mine will be promoted
Emission reduction work has good economic and social benefit.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of mine drops that can discharge and extract mine return air heat energy
Mine ventilation cool-down dehumidification may be implemented in the system of mild heat supply, summer, and winter can meet mine bathing, wellhead anti-freezing or ground
The demand of face building heat supplying.
The first purpose of the invention is to provide a kind of mine coolings and heating system using mine return air heat energy, including
It is logical that power computer room on ground, auxiliary shaft mouth heat exchange station, Intake shaft, underworkings, working face, mine return air well, mine are set
Wind turbine, retention tower, return air heat exchange station；The Mine Ventilator forms negative pressure, and by treated, ground air is pumped into underground；It is described
Power computer room includes heat pump unit, water pump and pipe network, and the heat pump unit includes evaporator and condenser；The setting of power computer room exists
Between auxiliary shaft mouth heat exchange station and return air heat exchange station；Shape is connected by pipe network between the evaporator and auxiliary shaft mouth heat exchange station of heat pump unit
At circulation loop；It connects to be formed by pipe network between heat exchanger in the condenser and return air heat exchange station of heat pump unit and be recycled back to
Road.
In one embodiment of the invention, the retention tower passes through out of return air heat exchange station, with return air heat exchange station one
Bodyization is designed or is transformed.
In one embodiment of the invention, the auxiliary shaft mouth heat exchange station and the integrated design of well head structures or transformation
It forms.
In one embodiment of the invention, auxiliary shaft mouth heat exchanger is installed in the auxiliary shaft mouth heat exchange station.
In one embodiment of the invention, the return air heat exchange station and the integrated design of mine ventilation computer room or transformation
It forms.
In one embodiment of the invention, return-air heat exchanger is installed in the return air heat exchange station.
In one embodiment of the invention, when cooling system mode operation, chilled water prepared by heat pump unit leads to
Piping is delivered to auxiliary shaft mouth heat exchange station, and with air heat exchanger in auxiliary shaft mouth heat exchange station heat exchange occurs for ground air, through cooling
Enter underground after dehumidifying；The condensation heat that system generates after return air heat exchange station heat exchanger and mine return air heat exchange by being dispersed into outdoor
In air, condensed it is not necessary that condenser is arranged.
In one embodiment of the invention, when system heating mode is run, hot water prepared by heat pump unit passes through
Pipeline heats the air inlet air of mine to auxiliary shaft mouth heat exchange station, so that mine is entered well air and meets standard requirement；System low-temperature receiver
By pipeline to return air heat exchange station, with heat exchanger therein heat exchange occurs for the chilled water of side, and heat is extracted from mine return air
Can after return to power computer room, it is not necessary that condenser is arranged.
In one embodiment of the invention, the structures of auxiliary shaft mouth inlet and outlet position carry out extending certain length,
And closing door is installed, locking is kept when system operation, is reduced leaking out for heapstead, is improved the cool-down dehumidification effect of system.
In one embodiment of the invention, the peripheral structure of the auxiliary shaft mouth heat exchange station and return air heat exchange station is arranged
There is polyurethane foamed thermal-insulating plate as insulating layer.
In one embodiment of the invention, the heat pump unit uses centrifugal type efficient or screw unit, to carry
The operational energy efficiency of high system.
In one embodiment of the invention, this system realizes summer mine cooling and winter using the thermal energy of mine return air
Season heat supply.
Second object of the present invention is to provide described to be existed using the mine cooling and heating system of mine return air heat energy
Application in underground thermal pollution to administer or mine waste heat, Waste Heat Reuse.
Beneficial effects of the present invention：
1, it since system selects heat pump unit, when summer cooling system operating mode is run, is transported using mine return air emanation system
The condensation heat that row generates, provides the cold needed for mine cooling.When winter heating runs, thermal energy is extracted from mine return air, is provided
Heat needed for wellhead anti-freezing, bathing or surface structures.Since mine return air temperature is constant, the efficiency of system operation is higher.
2, since the operation of system makes full use of the power that Mine Ventilator provides, well head heat exchange station and mine return air heat energy
Using device, passive delivery is taken to design, the operation energy consumption of system can be greatlyd save, there is significant economic benefit and Environmental Effect
Benefit.
3, system enters mine by the way that mine return air heat exchange station and mine ventilation computer room integrated design, mine return air is arranged
In return air heat exchange station, cooling water or chilled water in mine return air and heat exchanger carry out heat exchange, and thermal energy is extracted from mine return air
For system heat supply；Or it discharges heat into mine return air and is used for cooling system.System need not be arranged for discharging condensation heat
Cooling tower, be combined into one for system off heat and the heat-exchanger rig of heat absorption, the investment cost of system will be greatly reduced.
4, auxiliary shaft mouth heat exchange station and mine return air are less than 50Pa using device design ventilation resistance, will not be to mine ventilation system
System has an impact, and will not influence the inverted ventilation operation of mine, be not necessarily to explosion-proof, high safety and reliability.
5, since auxiliary shaft mouth heat exchange station of the present invention and mine return air are provided with polyurethane foam using device peripheral structure
Thermal insulation board can effectively reduce thermal loss, and can further completely cut off noise as insulating layer.
Description of the drawings
Fig. 1 is the system schematic of the present invention；Power computer room 1, auxiliary shaft mouth heat exchange station 2, auxiliary shaft mouth heat exchanger 3, downcast
Cylinder 4, underworkings 5, working face 6, mine return air well 7, Mine Ventilator 8, retention tower 9, return air heat exchange station 10, return-air heat exchanger
11, pipe network 12, pipe network 13.
Specific implementation mode
With reference to specific embodiment, technical scheme of the present invention is described in further detail.Following embodiment is only used
In illustrating the present invention, rather than to the limitation of protection scope of the present invention.
Embodiment 1：
As shown in Figure 1, including setting in power computer room 1 (heat pump unit, water pump), auxiliary shaft mouth heat exchange station 2, the heat exchange of auxiliary shaft mouth
Device 3, Intake shaft 4, underworkings 5, working face 6, mine return air well 7, Mine Ventilator 8, retention tower 9, return air heat exchange station 10,
Return-air heat exchanger 11.Ground is arranged close to auxiliary shaft mouth heat exchange station 2 and return air heat exchange station 10 in power computer room 1, auxiliary shaft mouth heat exchange station with
The integrated design of well head structures is transformed, and auxiliary shaft mouth heat exchanger 3 is arranged in auxiliary shaft mouth heat exchange station 2；Mine return air changes
Heat stations and the integrated design of mine ventilation computer room are transformed, and return-air heat exchanger 11 is arranged in return air heat exchange station 10；Power
Computer room is made of heat pump unit, water pump and pipeline and attachment, evaporator and the heat exchanger in auxiliary shaft mouth heat exchange station of heat pump unit
Between by pipe network 12 connection form circulation loop；The condenser of heat pump unit and the heat exchanger 11 in mine return air heat exchange station 10
Between by pipe network 13 connection form circulation loop；
1, auxiliary shaft mouth heat exchange station 2 is transformed by well head structures, auxiliary shaft mouth import and export position structures into
Row extends certain length, and installs closing door, and when system operation keeps locking, reduces leaking out for auxiliary shaft mouth heat exchanger, it is ensured that
Ground air and auxiliary shaft mouth heat exchanger sufficient heat exchange, improve the cool-down dehumidification effect of system.
2, mine return air heat exchange station and mine ventilation computer room integrated design, return-air heat exchanger are arranged in mine return air heat exchange
In standing, mine return air enters occurs heat exchange, the thermal energy needed for extraction or exhaust system with return-air heat exchanger in heat exchange station.System
Design needs to fully consider that system operation will not run mine ventilation system and system inverted ventilation has an impact；
3, in above-described embodiment, to reduce thermal loss, auxiliary shaft mouth heat exchange station and mine return air heat exchange station outer wall can be set
Set the insulating layer being made of polyurethane foamed thermal-insulating plate.
4, in above-described embodiment, centrifugal type efficient or screw unit can be used in heat pump unit, to improve the operation of system
Efficiency.
5, auxiliary shaft mouth heat exchanger and return-air heat exchanger are designed using passive delivery, without explosion-proof, substantially reduce the fortune of system
Row expense reaches energy-efficient target.
The system operation of the present invention, including following two patterns：
(1) cooling operation mode：When cooling system mode operation, the chilled water of the heat pump unit preparation in power computer room 1
(5-7 DEG C) is delivered to auxiliary shaft mouth heat exchange station 2 by pipeline 12, and with heat exchanger 3 in well head heat exchange station heat exchange occurs for ground air
Temperature declines afterwards, and by treated, air is pumped into underground to the negative pressure formed via Mine Ventilator 8, adjusts underground weather, makes it
Environmental parameter reaches standard requirement；The condensation heat that heat pump unit operation generates is delivered to mine return air heat exchange station 10 by pipeline 13
Interior heat exchanger 11 is discharged into after exchanging heat with mine return air in air；
(2) heating operation mode：System is switched to by heating operation mode by valve in power computer room 1 first, is
Unite heating operation when, the chilled water of system is delivered to 10 heat exchanger 11 of mine return air heat exchange station by pipeline 13, mine return air with
Heat exchange occurs for heat exchanger 11, absorbs the thermal energy in mine return air, makes the temperature rise of chilled water, returns to heat pump unit；Heat pump
Hot water prepared by unit is delivered to heat exchange station 3 in well head heat exchange station 2 by pipeline 12, and with heat exchanger 3 hot friendship occurs for ground air
Rear temperature rise is changed, so that well head air inlet air is more than 2 DEG C, meets wellhead anti-freezing heating demand.
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not limited to the present invention, any to be familiar with this skill
The people of art can do various change and modification, therefore the protection model of the present invention without departing from the spirit and scope of the present invention
Enclosing be subject to what claims were defined.
Claims (10)
1. a kind of mine cooling and heating system using mine return air heat energy, which is characterized in that the system comprises engines
Room, auxiliary shaft mouth heat exchange station, Intake shaft, underworkings, working face, mine return air well, Mine Ventilator, retention tower, return air change
Heat stations；The Mine Ventilator forms negative pressure, and by treated, ground air is pumped into underground；The power computer room includes heat pump machine
Group, water pump and pipe network, the heat pump unit include evaporator and condenser；Power computer room is arranged in auxiliary shaft mouth heat exchange station and return air
Between heat exchange station；It connects to form circulation loop by pipe network between the evaporator and auxiliary shaft mouth heat exchange station of heat pump unit；Heat pump machine
It connects to form circulation loop by pipe network between heat exchanger in the condenser and return air heat exchange station of group.
2. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that described
Retention tower passes through out of return air heat exchange station, and the integrated design of return air heat exchange station or is transformed.
3. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that described
Auxiliary shaft mouth heat exchange station and the integrated design of well head structures are transformed；Auxiliary shaft mouth is installed in the auxiliary shaft mouth heat exchange station to change
Hot device.
4. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that described
Return air heat exchange station and the integrated design of mine ventilation computer room are transformed；Return air heat exchange is installed in the return air heat exchange station
Device.
5. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that when being
When refrigeration mode of uniting is run, chilled water prepared by heat pump unit, by pipeline to auxiliary shaft mouth heat exchange station, ground air and pair
Heat exchange occurs for air heat exchanger in well head heat exchange station, and underground is entered after cool-down dehumidification；The condensation heat that system generates is by returning
It is dispersed into outside atmosphere after wind heat exchange station heat exchanger and mine return air heat exchange.
6. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that when being
When controlling heat pattern is run, hot water prepared by heat pump unit, to auxiliary shaft mouth heat exchange station, heats the air inlet of mine by pipeline
Air makes mine enter well air and meets standard requirement；The chilled water of system low-temperature receiver side by pipeline to return air heat exchange station, with
Heat exchange occurs for heat exchanger therein, and power computer room is returned after extracting thermal energy from mine return air.
7. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that auxiliary shaft
The structures of mouthful inlet and outlet position carry out extending certain length, and install closing door, and when system operation keeps locking.
8. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that described
The peripheral structure of auxiliary shaft mouth heat exchange station and return air heat exchange station is provided with polyurethane foamed thermal-insulating plate as insulating layer.
9. the mine cooling and heating system according to claim 1 using mine return air heat energy, which is characterized in that described
Heat pump unit uses centrifugal type efficient or screw unit.
It is controlled in underground thermal pollution using the mine cooling and heating system of mine return air heat energy 10. claim 1~9 is any described
Application in reason or mine waste heat, Waste Heat Reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219743.6A CN108506036A (en) | 2018-03-16 | 2018-03-16 | A kind of mine cooling and heating system using mine return air heat energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219743.6A CN108506036A (en) | 2018-03-16 | 2018-03-16 | A kind of mine cooling and heating system using mine return air heat energy |
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| Publication Number | Publication Date |
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| CN108506036A true CN108506036A (en) | 2018-09-07 |
Family
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| CN201810219743.6A Pending CN108506036A (en) | 2018-03-16 | 2018-03-16 | A kind of mine cooling and heating system using mine return air heat energy |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083673A (en) * | 2018-10-19 | 2018-12-25 | 中国恩菲工程技术有限公司 | Mine heating according to need system |
| CN110131924A (en) * | 2019-06-13 | 2019-08-16 | 山东博特瑞节能环保科技有限公司 | Return air residual heat in mine gradient utilization system |
| CN110130968A (en) * | 2019-05-14 | 2019-08-16 | 中钢集团马鞍山矿山研究院有限公司 | A kind of antifreeze method for extremely frigid zones underground mine Intake shaft |
| CN110397465A (en) * | 2019-06-28 | 2019-11-01 | 江南大学 | A kind of coal working face full blast amount cooling system and method |
| CN110566277A (en) * | 2019-09-20 | 2019-12-13 | 中南大学 | device and method suitable for utilizing return air waste heat in high and cold mine |
| CN110578951A (en) * | 2019-08-29 | 2019-12-17 | 龙口矿业集团有限公司 | deep well heat energy comprehensive utilization system |
| CN111622799A (en) * | 2020-06-05 | 2020-09-04 | 山西文龙中美环能科技股份有限公司 | Underground cooling and wellhead anti-freezing system based on split heat pipe and heat pump |
| CN113294193A (en) * | 2021-05-17 | 2021-08-24 | 昆明理工大学 | Internal circulation energy-saving mine air conditioning system method |
| CN113915783A (en) * | 2021-10-15 | 2022-01-11 | 中南大学 | Mine thermal damage treatment collaborative geothermal mining method |
| CN113932480A (en) * | 2021-11-02 | 2022-01-14 | 江苏地质矿产设计研究院(中国煤炭地质总局检测中心) | Multifunctional heat pump system suitable for mine |
| CN113945017A (en) * | 2021-10-15 | 2022-01-18 | 中南大学 | Mine thermal damage treatment collaborative geothermal exploitation system |
| CN114837739A (en) * | 2022-01-24 | 2022-08-02 | 中国矿业大学(北京) | Coal-water-heat collaborative co-mining and water disaster heat damage treatment system |
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| CN109083673B (en) * | 2018-10-19 | 2024-01-26 | 中国恩菲工程技术有限公司 | Mine on-demand heating system |
| CN109083673A (en) * | 2018-10-19 | 2018-12-25 | 中国恩菲工程技术有限公司 | Mine heating according to need system |
| CN110130968A (en) * | 2019-05-14 | 2019-08-16 | 中钢集团马鞍山矿山研究院有限公司 | A kind of antifreeze method for extremely frigid zones underground mine Intake shaft |
| CN110131924A (en) * | 2019-06-13 | 2019-08-16 | 山东博特瑞节能环保科技有限公司 | Return air residual heat in mine gradient utilization system |
| CN110397465A (en) * | 2019-06-28 | 2019-11-01 | 江南大学 | A kind of coal working face full blast amount cooling system and method |
| CN110397465B (en) * | 2019-06-28 | 2024-03-26 | 江南大学 | Full air volume cooling system and method for coal face |
| CN110578951A (en) * | 2019-08-29 | 2019-12-17 | 龙口矿业集团有限公司 | deep well heat energy comprehensive utilization system |
| CN110566277A (en) * | 2019-09-20 | 2019-12-13 | 中南大学 | device and method suitable for utilizing return air waste heat in high and cold mine |
| CN111622799A (en) * | 2020-06-05 | 2020-09-04 | 山西文龙中美环能科技股份有限公司 | Underground cooling and wellhead anti-freezing system based on split heat pipe and heat pump |
| CN113294193A (en) * | 2021-05-17 | 2021-08-24 | 昆明理工大学 | Internal circulation energy-saving mine air conditioning system method |
| CN113945017A (en) * | 2021-10-15 | 2022-01-18 | 中南大学 | Mine thermal damage treatment collaborative geothermal exploitation system |
| CN113915783A (en) * | 2021-10-15 | 2022-01-11 | 中南大学 | Mine thermal damage treatment collaborative geothermal mining method |
| CN113932480A (en) * | 2021-11-02 | 2022-01-14 | 江苏地质矿产设计研究院(中国煤炭地质总局检测中心) | Multifunctional heat pump system suitable for mine |
| CN114837739A (en) * | 2022-01-24 | 2022-08-02 | 中国矿业大学(北京) | Coal-water-heat collaborative co-mining and water disaster heat damage treatment system |
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