CN210195799U - Tunnel cooling system based on mud circulation - Google Patents
Tunnel cooling system based on mud circulation Download PDFInfo
- Publication number
- CN210195799U CN210195799U CN201920963949.XU CN201920963949U CN210195799U CN 210195799 U CN210195799 U CN 210195799U CN 201920963949 U CN201920963949 U CN 201920963949U CN 210195799 U CN210195799 U CN 210195799U
- Authority
- CN
- China
- Prior art keywords
- mud
- cooling
- circulation
- circulation system
- tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 130
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000002826 coolant Substances 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 125000001153 fluoro group Chemical group F* 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 27
- 230000017525 heat dissipation Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000005641 tunneling Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a tunnel cooling system based on mud circulation, including cooling circulation system, water circulating system and mud circulation system, cooling circulation system is used for providing the cold source for carrying the wind in the tunnel, water circulating system connects cooling circulation system and mud circulation system respectively, carry out the heat exchange respectively between water circulating system and the cooling circulation system and between water circulating system and the mud circulation system, through the heat transfer that water circulating system produced to mud circulation system in, take place the heat exchange through mud circulation system and the air of tunnel face and the tunnel external world and release the heat. The slurry circulation system which is only used for carrying the muck in the original shield machine is further utilized, and finally the heat in the tunnel is taken away through the slurry circulation system, so that the problems of large consumption of external circulation water, large difficulty in worker operation and continuous increase of cost in the prior art are solved.
Description
Technical Field
The utility model relates to a tunnel construction technical field, concretely relates to tunnel cooling system based on mud circulation.
Background
At present, a primary fan is adopted by a shield machine to inject air into a tunnel in a tunneling process, the air is sent to a last trolley of the shield machine through a tunnel ventilation pipe, then the secondary fan is used for supplying air to the section of the tunneling machine in a relay mode, then hot air in the tunnel flows to a tunnel opening through the tunnel to form air circulation, the requirement of ultra-long distance tunnel tunneling on the fan is high, and in an engineering construction process, air leakage of the air pipe, small diameter of the air pipe and long air supply distance lead to poor cooling effect of the tunneling surface, high temperature in the tunnel and poor comfort of a human body.
The shield machine has large heat productivity and more heat sources in the tunneling process, and partial heat is directly radiated into the air of the tunnel to cause the temperature in the tunnel to rise. The tunnel temperature is adjusted through tunnel ventilation, and the primary equipment has primary air fan, secondary air fan, is difficult to reduce the tunnel temperature to below 30 ℃ through the fan air supply.
At present, the tunnel cooling system adopts the external circulating water to take out tunnel heat, and the external heat dissipation equipment is used for heat dissipation and cooling, so that the external circulating water is used in a large amount, the pipe diameter of the circulating water pipe is required to be greatly increased, the pipe diameter of the worker is greatly increased, the work is greatly increased, and the cost of the cooling mode is increased along with the continuous deep excavation of the tunnel.
In view of the above, there is a need for a tunnel cooling system based on mud circulation to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel cooling system based on mud circulation, concrete technical scheme is as follows:
a tunnel cooling system based on slurry circulation comprises a cooling circulation system, a water circulation system and a slurry circulation system, wherein the cooling circulation system is used for providing a cold source for air conveyed into a tunnel, the water circulation system is respectively connected with the cooling circulation system and the slurry circulation system, heat exchange is respectively carried out between the water circulation system and the cooling circulation system and between the water circulation system and the slurry circulation system, heat generated by the cooling circulation system is transferred into the slurry circulation system through the water circulation system, and the heat is released through heat exchange among the slurry circulation system, a tunnel face and air outside the tunnel.
Preferably, in the above technical scheme, the water circulation system comprises a circulating water pump, a water storage tank and a heat exchange pipe, the cooling circulation system comprises a cooling unit, the circulating water pump, the cooling unit, the heat exchange pipe and the water storage tank are connected in series to form a water circulation loop, and heat exchange between a cooling medium in the cooling circulation system and a cooling medium in the water circulation loop is realized through the cooling unit; the mud circulation system comprises a heat exchange mud pipe, the heat exchange pipe is arranged inside the heat exchange mud pipe and is in contact with flowing mud, and heat exchange between cooling media in the water circulation loop and the mud in the mud circulation system is achieved through the heat exchange pipe.
Preferably, in the above technical scheme, the heat exchange tube is a spiral pipeline, and the spiral pipeline is embedded into the heat exchange mud tube to realize heat exchange between the cooling medium in the water circulation loop and the mud in the mud circulation system.
Preferably, in the above technical solution, the flow direction of the cooling medium inside the spiral pipeline is opposite to the flow direction of the slurry inside the heat exchange slurry pipe.
Preferably in the above technical solution, the cooling circulation system further includes an evaporator, a cooling water tank and a cooling circulation pump, the evaporator, the cooling unit, the cooling water tank and the cooling circulation pump are connected in series to form a cooling circulation loop, the cooling unit is configured to cool a cooling medium in the cooling circulation loop, the evaporator is configured to exchange heat between the cooling medium in the cooling circulation loop and wind conveyed into the tunnel, and further, the wind conveyed into the tunnel is cooled.
In the above aspect, the cooling medium in the cooling circulation circuit is a fluorine-containing refrigerant, and the cooling medium in the water circulation circuit is water.
Preferably among the above technical scheme, mud circulation system carries the mud in the mud pond to the tunnel face through advancing the thick liquid pipeline, and the mud of tunnel face department is carried back the mud pond through arranging the thick liquid pipeline and is formed mud circulation return circuit, advance the thick liquid pipeline including the mud circulation that the series connection set up advance the thick liquid pump and heat exchange mud pipe, arrange the thick liquid pipeline including the mud circulation that the series connection set up arrange thick liquid pump and mud-water separation station, cool down mud through the stratum of tunnel face, distribute the heat in the circulation mud system to the outside air in tunnel through mud-water separation station and mud pond.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses a tunnel cooling system based on mud circulation includes cooling circulation system, water circulating system and mud circulation system, the mud circulation system that only is used for carrying the dregs in the shield structure machine originally further utilizes, finally take away the heat in the tunnel through mud circulation system, the problem that exists among the prior art has been solved, it can to increase the heat exchange tube on cooling method's the basis among the prior art, cooling system's cost is lower, it is great to solve the extrinsic cycle water quantity among the prior art simultaneously, the workman's operation degree of difficulty is big, the problem of cost constantly increasing. Meanwhile, the cooling circulation system and the water circulation system of the utility model can utilize the equipment of the cooling mode in the prior art, only need to add the heat exchange pipe in the water circulation loop, and the heat exchange mud pipe is added in the economic pipeline of the mud circulation system, so that the mud circulation system on the shield machine can be utilized for heat dissipation, the extra added cost is not high, but the difficult problem in the prior art can be solved, and the water resource and the construction cost are saved; utilize the utility model discloses a cooling system is along with the tunnel constantly excavates, only need prolong mud circulation system's pipeline can (in the actual conditions, need increase along with the pipeline that the tunnel excavation deepened mud circulation system), cooling system's pipeline need not additionally increase, so can reduce cooling system pipeline's cost and reduce the complexity of construction.
(2) The utility model provides a the heat exchange tube is spiral pipeline, spiral pipeline embedding carry out the heat exchange between the inside coolant that realizes among the water circulation return circuit of heat exchange mud pipe and the mud among the mud circulation system. Can change the pitch, the pipe diameter size of spiral formula pipeline according to equipment design needs, increase the area of contact of spiral pipeline, increase heat exchange power promptly, can satisfy different heat dissipation needs.
(3) The utility model discloses a tunnel cooling system overall structure based on mud circulation is simple, only increase heat exchange tube and heat exchange mud pipe and can realize further promoting mud circulation system's effect, mud circulation system's effect has been increased, it is simple to improve on prior art's basis simultaneously, cooling system need not reset to current cooling methods yet, can save outside heat abstractor simultaneously (or reduce outside heat abstractor's power, outside heat abstractor probably still is used for other equipment to dispel the heat usually, can reduce outside heat abstractor's power through mud circulation heat dissipation, realize energy-conservation), the difficult problem of prior art has been solved with minimum cost, because mud circulation system needs normal work, it can not increase its power to utilize mud circulation system to dispel the heat.
(4) The utility model discloses in transferring the heat that the cooling unit produced to mud circulation system through the water circulation return circuit, mud circulation system dispels the heat to face (utilize secret earth low temperature), mud-water separation station and mud pit with the heat. The slurry circulation system has multiple heat dissipation ways and good effect.
(5) The utility model discloses the flow direction of the inside coolant of spiral pipeline and the flow direction of the intraductal mud of heat exchange mud are opposite can improve the heat exchange efficiency of hydrologic cycle return circuit and mud circulation system.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic diagram of the tunnel cooling system of the present invention;
FIG. 2 is a schematic diagram of the heat transfer of the tunnel cooling system of the present invention;
the system comprises an evaporator 1, a cooling unit 2, a tunnel fan 3, a circulating water pump 4, a water storage tank 5, a heat exchange slurry pipe 6, a slurry circulating slurry inlet pump 7, a slurry circulating slurry discharge pump 8, a slurry circulating slurry pump 9, a cooling water tank 10, a cooling circulating pump 11 and a heat exchange pipe.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
the existing slurry circulation shield machine is provided with a circulating water system and a slurry circulation system, wherein the circulating water system is used for taking away heat of equipment and providing water for the equipment in the tunneling process, and the slurry circulation system is only used for carrying dregs in the tunneling process. Therefore, mud circulation system based on mud water circulation shield constructs machine the utility model provides a tunnel cooling system based on mud circulation, aim at solve among the prior art cooling method have the problem that the outer circulating water quantity is great, the workman trades the pipe operation degree of difficulty big, the cost constantly increases.
Referring to fig. 1, the existing tunnel air supply mode is to convey cooling air to the inside of the tunnel through a tunnel fan 3 and an air supply pipeline, but if the cooling effect of conveying the cooling air only through the tunnel fan is poor, the comfort level of a human body is poor.
Referring to fig. 1-2, the tunnel cooling system based on mud circulation comprises a cooling circulation system, a water circulation system and a mud circulation system, wherein the cooling circulation system is used for providing a cold source for wind conveyed into a tunnel, the water circulation system is respectively connected with the cooling circulation system and the mud circulation system, heat exchange is respectively carried out between the water circulation system and the cooling circulation system and between the water circulation system and the mud circulation system, heat generated by the cooling circulation system is transferred into the mud circulation system through the water circulation system, and the heat is released through heat exchange among the mud circulation system, a tunnel face and air outside the tunnel.
The water circulation system comprises a circulating water pump 4, a water storage tank 5 and a heat exchange pipe 11, the cooling circulation system comprises a cooling unit 2, the circulating water pump 4, the cooling unit 2, the heat exchange pipe 11 and the water storage tank 5 are connected in series to form a water circulation loop, and heat exchange between the cooling unit 2 and a cooling medium in the water circulation loop is realized (namely the cooling unit 2 realizes heat exchange between the cooling medium in the cooling circulation system and the cooling medium in the water circulation loop); the mud circulation system comprises a heat exchange mud pipe 6, the heat exchange pipe 11 is arranged inside the heat exchange mud pipe 6 and is in contact with flowing mud, and heat exchange between cooling media in the water circulation loop and the mud in the mud circulation system is achieved through the heat exchange pipe 11.
The circulating water pump 4 provides pressure for the water circulating loop to ensure the normal work of the water circulating loop, and all devices in the water circulating loop are connected through pipelines.
The heat exchange pipe 11 is a spiral pipeline, and the spiral pipeline is embedded into the heat exchange mud pipe 6 to realize heat exchange between the cooling medium in the water circulation loop and the mud in the mud circulation system.
Preferably, the flow direction of the cooling medium inside the spiral pipeline is opposite to the flow direction of the slurry in the heat exchange slurry pipe 6.
Referring to fig. 1, the spiral pipeline is a spiral sleeve, the pitch and the diameter of the spiral pipeline can be changed according to the design requirements of the equipment, the contact area of the spiral pipeline is increased, and the heat exchange power is increased.
The cooling circulation system further comprises an evaporator 1, a cooling water tank 9 and a cooling circulation pump 10, the evaporator 1, a cooling unit 2, the cooling water tank 9 and the cooling circulation pump 10 are connected in series to form a cooling circulation loop, the cooling unit is used for cooling a cooling medium in the cooling circulation loop, the evaporator 1 is used for carrying out heat exchange on the cooling medium in the cooling circulation loop and wind conveyed into the tunnel, and then the wind conveyed into the tunnel is cooled.
The cooling circulation pump 10 provides pressure for the cooling circulation loop to ensure the normal work of the cooling circulation loop, and all devices in the cooling circulation loop are connected through pipelines.
The cooling units may be purchased directly on the market, for example: RHTE series of air-conditioning cooling unit. The cooling unit is used for refrigerating the cooling medium in the cooling circulation loop, and the water circulation loop is used for radiating heat of the cooling unit, so that heat in the cooling circulation loop is transferred to the water circulation loop.
The evaporator exchanges heat with air in the tunnel, the tunnel fan sends hot air into the evaporator, and cooled air is output after heat exchange is finished; preferably, the evaporator 1 may be disposed inside the air supply pipeline, and the type of the evaporator may be MK-300 of jaboticawa.
The cooling medium in the cooling circulation loop is fluorine-containing refrigerant, preferably HFC-134C, and the cooling medium in the water circulation loop is water.
The mud circulation system conveys mud in the mud pool to the tunnel face through a mud inlet pipeline, mud at the tunnel face is conveyed back to the mud pool through a mud discharge pipeline to form a mud circulation loop, the mud inlet pipeline comprises a mud circulation mud inlet pump 7 and a heat exchange mud pipe 6 which are arranged in series, the mud discharge pipeline comprises a mud circulation mud discharge pump 8 and a mud-water separation station which are arranged in series, the mud is cooled through a rock stratum (utilizing underground soil low temperature) of the tunnel face, and heat in the mud circulation system is dissipated into air outside the tunnel through the mud-water separation station and the mud pool.
Referring to fig. 2, the utility model discloses tunnel cooling system heat transfer process does: the heat of the air in the tunnel exchanges heat with the evaporator and enters the cooling medium in the cooling circulation loop through the evaporator; a cooling unit in the cooling circulation loop refrigerates the cooling medium in the cooling circulation loop and generates heat, and the refrigerated cooling medium continues to be cooled circularly in the cooling circulation loop; meanwhile, the cooling unit exchanges heat with the water circulation loop to transfer heat in the cooling unit to a cooling medium in the water circulation loop, and the heat in the water circulation loop exchanges heat with the slurry circulation system through the heat exchange tube to realize that the heat in the water circulation loop enters the slurry circulation system; the mud in the mud circulation system is in contact with the tunnel face, the mud-water separation station and the mud tank are in contact with the air, heat exchange is carried out all the time, heat can be brought to the ground at any time and dissipated into the air, and finally the purposes that the heat in the tunnel is transferred to the atmosphere through the mud circulation system, the temperature balance in the tunnel is maintained, and the temperature of the tunnel is reduced are achieved.
The technical scheme of the embodiment is specifically as follows:
increase the heat exchange mud pipe 6 of embedded heat exchange tube 11 in the thick liquid pipeline of advancing of original mud circulation system (see fig. 1, specifically set up the back at mud circulation advances stuff pump 7), establish ties each device in the water circulation return circuit through the pipeline, establishes ties each device in the cooling circulation return circuit through the pipeline, sets up evaporimeter 1 in the air supply pipeline according to the demand, starts the utility model discloses a tunnel cooling system can begin work.
Use the technical scheme of the utility model, the effect is:
the heat generated by the cooling unit is transferred to the mud circulation system through the water circulation loop, and the mud circulation system brings the heat to the tunnel face (by utilizing the low temperature of underground soil), the mud-water separation station and the mud tank for heat dissipation. The slurry circulation system which is only used for carrying muck in the original shield machine is further utilized, and finally, heat in the tunnel is taken away through the slurry circulation system, so that the problems in the prior art are solved, the heat exchange pipes are added on the basis of the cooling mode in the prior art, the cost of the heat dissipation system is low, and the problems that in the prior art, the consumption of external circulating water is large, the operation difficulty of workers is high, and the cost is increased continuously are solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The tunnel cooling system based on the mud circulation is characterized by comprising a cooling circulation system, a water circulation system and a mud circulation system, wherein the cooling circulation system is used for providing a cold source for wind conveyed into a tunnel, the water circulation system is respectively connected with the cooling circulation system and the mud circulation system, heat exchange is respectively carried out between the water circulation system and the cooling circulation system and between the water circulation system and the mud circulation system, heat generated by the cooling circulation system is transferred into the mud circulation system through the water circulation system, and the heat is released through heat exchange among the mud circulation system, a tunnel face and air outside the tunnel.
2. The tunnel cooling system based on the mud circulation is characterized in that the water circulation system comprises a circulating water pump (4), a water storage tank (5) and a heat exchange pipe (11), the cooling circulation system comprises a cooling unit (2), the circulating water pump (4), the cooling unit (2), the heat exchange pipe (11) and the water storage tank (5) are connected in series to form a water circulation loop, and heat exchange is carried out between a cooling medium in the cooling circulation system and the cooling medium in the water circulation loop through the cooling unit (2); the mud circulation system comprises a heat exchange mud pipe (6), the heat exchange pipe (11) is arranged inside the heat exchange mud pipe (6) and is in contact with flowing mud, and heat exchange between cooling media in the water circulation loop and the mud in the mud circulation system is achieved through the heat exchange pipe (11).
3. The mud circulation-based tunnel cooling system according to claim 2, wherein the heat exchange pipe (11) is a spiral pipeline embedded inside the heat exchange mud pipe (6) to realize heat exchange between the cooling medium in the water circulation loop and the mud in the mud circulation system.
4. The mud circulation-based tunnel cooling system according to claim 3, wherein the flow direction of the cooling medium inside the spiral pipeline is opposite to the flow direction of the mud inside the heat exchange mud pipe (6).
5. The tunnel cooling system based on the mud circulation is characterized in that the cooling circulation system further comprises an evaporator (1), a cooling water tank (9) and a cooling circulation pump (10), the evaporator (1), a cooling unit (2), the cooling water tank (9) and the cooling circulation pump (10) are connected in series to form a cooling circulation loop, the cooling unit is used for cooling a cooling medium in the cooling circulation loop, and the evaporator (1) is used for carrying out heat exchange between the cooling medium in the cooling circulation loop and wind conveyed into the tunnel, so that the wind conveyed into the tunnel is cooled.
6. The mud loop-based tunnel cooling system according to claim 5, wherein the cooling medium in the cooling circulation circuit is fluorine-containing refrigerant, and the cooling medium in the water circulation circuit is water.
7. The mud circulation-based tunnel cooling system according to any one of claims 2-6, wherein the mud circulation system conveys the mud in the mud pit to the tunnel face through a mud inlet pipeline, the mud at the tunnel face is conveyed back to the mud pit through a mud discharge pipeline to form a mud circulation loop, the mud inlet pipeline comprises a mud circulation mud inlet pump (7) and a heat exchange mud pipe (6) which are arranged in series, the mud discharge pipeline comprises a mud circulation mud discharge pump (8) and a mud-water separation station which are arranged in series, the mud is cooled through the rock stratum of the tunnel face, and the heat in the mud circulation system is radiated to the air outside the tunnel through the mud-water separation station and the mud pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963949.XU CN210195799U (en) | 2019-06-25 | 2019-06-25 | Tunnel cooling system based on mud circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963949.XU CN210195799U (en) | 2019-06-25 | 2019-06-25 | Tunnel cooling system based on mud circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210195799U true CN210195799U (en) | 2020-03-27 |
Family
ID=69871496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920963949.XU Withdrawn - After Issue CN210195799U (en) | 2019-06-25 | 2019-06-25 | Tunnel cooling system based on mud circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210195799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159335A (en) * | 2019-06-25 | 2019-08-23 | 中国铁建重工集团股份有限公司 | A kind of tunnel cooling system based on mud circulation |
-
2019
- 2019-06-25 CN CN201920963949.XU patent/CN210195799U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159335A (en) * | 2019-06-25 | 2019-08-23 | 中国铁建重工集团股份有限公司 | A kind of tunnel cooling system based on mud circulation |
| CN110159335B (en) * | 2019-06-25 | 2024-03-29 | 中国铁建重工集团股份有限公司 | Tunnel cooling system based on mud circulation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110159335B (en) | Tunnel cooling system based on mud circulation | |
| CN104314603B (en) | A kind of deep layer type pit cooling system | |
| CN205154229U (en) | Attached water film board heat exchanger heat sink of high temperature mine tunnel wall | |
| CN105649668A (en) | Roadway sidewall intercepting type mine cooling method and system | |
| CN210195799U (en) | Tunnel cooling system based on mud circulation | |
| CN104695998A (en) | Cooling system for water supplied to high-temperature coal working face | |
| CN212406784U (en) | Local cooling system of mine | |
| CN104596007A (en) | Natural energy source central air conditioner | |
| CN210033510U (en) | Up-down combined water ring type large temperature difference cooling and heating system | |
| CN210068227U (en) | Mine air flow cooling system based on constant-temperature layer cold water source | |
| CN205156415U (en) | Xeothermic rock heat exchanger of many U type tubular | |
| CN201407768Y (en) | Ground source heat pump with civil air defense as cold source or heat source | |
| CN110067588B (en) | Tunnel cold air system based on phase change cold storage | |
| CN109944626B (en) | Tunnel phase change cold accumulation cooling system | |
| CN106703113A (en) | Mining TBM (tunnel boring machine) water circulation system and mining TBM water circulation method | |
| CN204460554U (en) | Natural energy source central air-conditioning | |
| CN207610313U (en) | Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system | |
| CN206538807U (en) | A kind of mining TBM water circulation systems | |
| CN201476201U (en) | Scattered type water-ring earth source heat pump air conditioning system | |
| RU2760610C1 (en) | Heat pump system for utilizing waste heat of subway exhaust air | |
| CN205079489U (en) | Utilize superconductive hot pin to absorb integrated supply system of energy of ground source heat | |
| CN110080817B (en) | Tunnel aeration cooling system based on phase change cold storage | |
| CN213807736U (en) | Mine radiation cooling system | |
| CN105386785A (en) | Cooling system for water film plate heat exchanger attached to high-temperature mine laneway wall surface | |
| CN209385167U (en) | The system for directly reducing air themperature using geothermal energy resources in tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200327 Effective date of abandoning: 20240329 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200327 Effective date of abandoning: 20240329 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |