CN104314603A - Deep mine cooling system - Google Patents
Deep mine cooling system Download PDFInfo
- Publication number
- CN104314603A CN104314603A CN201410559375.1A CN201410559375A CN104314603A CN 104314603 A CN104314603 A CN 104314603A CN 201410559375 A CN201410559375 A CN 201410559375A CN 104314603 A CN104314603 A CN 104314603A
- Authority
- CN
- China
- Prior art keywords
- station
- deep layer
- cooling
- low
- cooling system
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention discloses a deep mine cooling system comprising a cold source extraction station, a refrigeration workstation and a cooling workstation. The cold source extraction station is arranged in a low-temperature roadway of the shallow strata and comprises a plurality of heat exchanging tubes inserted into the shallow strata through the low-temperature roadway; the refrigeration workstation comprises a refrigerator communicated with the cold source extraction station through a pipeline, and the fluid is driven by a drive device to flow in the pipeline in an interacted manner; the cooling workstation is arranged at the inlet of a working face of a deep mine and comprises an air cooler and a fan, the air cooler cools the incoming air through the cooling fluid delivered by the refrigeration workstation, and the fan delivers the cooled air to the mining roadway of the deep mine. According to the system, the cold source extraction station is arranged in the low-temperature roadway of the shallow strata and obtains cold quantity in the shallow strata, the cooled air is input into the roadway of the deep mine through conversion of the refrigeration workstation and cooling workstation, since the cold quantity is sufficient in the shallow strata, the cooling efficiency is high.
Description
Technical field
The present invention relates to a kind of deep layer type pit cooling system.
Background technology
Coal occupies 68% of China's primary energy, and along with the increasing of mining rate, the coal mining degree of depth is increasing.At present, in deep mining, bring out down-hole Climatic regionalization due to High-geotemperature, all high-temperature mines need to install type pit cooling system for this reason.Because mining face under mine air quantity is large, temperature is high, high humidity, so required refrigeration duty is very large, the low-temperature receiver thus required for cooling system is very large.In existing technology, low-temperature receiver mainly contains three classes, and the first kind is the low-temperature receiver in underground return air, exactly total obtain low-temperature receiver from the return air of down-hole, but due to underground return air temperature inherently high (being greater than 35 DEG C), therefore, efficiency is very low; Equations of The Second Kind low-temperature receiver obtains from the air of earth's surface, obtain this to carry out low-temperature receiver and need the equipment such as cooling tower to be placed on earth's surface, cause the downhole cooling system discrepancy in elevation large (the general mine degree of depth reaches 1000m) like this, thus pipe-line system is long, pressure greatly, refrigerating loss is on the way large; 3rd class low-temperature receiver obtains from Underground well water burst, but not all mine has a large amount of swallet, therefore use occasion critical constraints.
Summary of the invention
For problems of the prior art, object of the present invention is for providing that a kind of efficiency of lowering the temperature is high, pipeline is shorter and by the deep layer type pit cooling system of water burst restriction.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of deep layer type pit cooling system, comprising:
Low-temperature receiver extraction station, described low-temperature receiver extraction station is arranged in the low temperature tunnel of superficial part rock stratum, includes multiple heat exchanger tube inserted by described low temperature tunnel in described superficial part rock stratum;
Refrigeration work station, described refrigeration work station includes refrigeration machine, and described refrigeration machine by low-temperature receiver extraction station described in pipeline communication, and is flowed in described pipeline alternately by drive unit drive fluid;
Cooling work station, described cooling work station is arranged at the work plane entrance of deep layer mine, include air cooler and blower fan, the air intake air themperature of described work plane reduces by the cooling fluid that described air cooler is come by the transmission of described refrigeration work station, and the air after described cooling is transported in the coal cutting roadway of deep layer mine by described blower fan.
Further, described deep layer type pit cooling system also comprises pressure switching station, and described pressure switching station is arranged between described refrigeration work station and described cooling work station, carries out pressure conversion to the described fluid of uplink and downlink.
Further, described low-temperature receiver extraction station comprises the multiple extraction faces be parallel to each other being arranged at described low temperature tunnel, evenly arranges multiple described heat exchanger tube in each extraction face, and described heat exchanger tube is arranged along described low temperature tunnel radial direction.
Further, described heat exchanger tube is U-tube, and its both ends open is all communicated with described pipeline.
Further, described heat exchanger tube is underground pipe, adopts PVC.
Further, described fluid is water.
Further, described drive unit is pump.
Beneficial effect of the present invention is, low-temperature receiver extraction station in the present invention is arranged in the low temperature tunnel of superficial part rock stratum, in superficial part rock stratum, cold is obtained by heat exchanger tube, in the tunnel of deep layer mine, cold air is inputted again by the conversion of refrigeration work station and cooling work station, because cold in superficial part rock stratum is sufficient, therefore cooling efficiency of the present invention is high, cold is obtained additionally by superficial part rock stratum, cooling device need not be set on the ground, pipeline compared with short, discharge pressure is little, and the present invention is not by the restriction whether having a large amount of swallet in mine, applied widely.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is deep layer type pit cooling system structural representation of the present invention;
Fig. 2 is low-temperature receiver extraction station structural representation in deep layer type pit cooling system of the present invention;
Fig. 3 is the structural representation of a specific embodiment of deep layer type pit cooling system of the present invention.
Detailed description of the invention
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing are the use when explain in itself, and is not used to limit the present invention.
The mine cooling method being low-temperature receiver with geothermal using cold energy is that rock stratum in superficial part rock stratum around low temperature tunnel is as low-temperature receiver, utilize heat exchanger tube heat transfer technology, take water as medium, in the heat exchanger tube that high temperature water is transported in low temperature tunnel through pipeline, high temperature water and low temperature tunnel is allowed to carry out sufficient heat exchange, thus the cold in extraction low-temperature formation, and cold energy is transported to refrigeration work station through pipeline transport by cooling water, the cooling work station utilizing circulating water body to be delivered near the work plane needing cooling after making cold energy is lowered the temperature to work plane is distinguished and admirable.
As depicted in figs. 1 and 2, deep layer type pit cooling system of the present invention comprises low-temperature receiver extraction station 1, refrigeration work station 3 and cooling work station 5.Wherein, low-temperature receiver extraction station 1 is arranged in the low temperature tunnel 10 of superficial part rock stratum 7, and this low temperature tunnel 10 can be arrange formation specially, also can be excavate early stage shallow-layer coal the tunnel discarded.Low-temperature receiver extraction station 1 includes multiple heat exchanger tube 11 inserted by low temperature tunnel 10 in superficial part rock stratum 7, to draw the cold of superficial part rock stratum 7.
As shown in Figure 2, low-temperature receiver extraction station 1 comprises the multiple extraction faces be parallel to each other 101,102 etc. being arranged at low temperature tunnel 10, evenly arranges multiple heat exchanger tube 11 in each extraction face, and heat exchanger tube 11 is arranged along low temperature tunnel 10 radial direction, to draw cold as much as possible.Wherein, between the spacing L in every two extraction faces and every two heat exchanger tubes 11, spacing is determined according to actual needs.In the present invention, heat exchanger tube 11 is U-tube, the equal connecting pipe 2 of its both ends open, and this pipeline 2 connects low-temperature receiver extraction station 1 and refrigeration work station 3, and it uses fluid as heat exchange medium, and this fluid is water usually, adopts pump as drive unit.Preferably, heat exchanger tube 11 is underground pipe, adopts PVC.
In the present invention, refrigeration work station 3 includes refrigeration machine, refrigeration machine is communicated with low-temperature receiver extraction station 1 by pipeline 2, and flowed alternately in pipeline 2 by drive unit drive fluid, usually this drive unit is pump, by pump, hot water is transported to low-temperature receiver extraction station 1 from refrigeration work station 3, cooling water is transported to refrigeration work station 3 from low-temperature receiver extraction station 1.Refrigeration machine in refrigeration work station 3 obtains cold energy and is converted into the higher cold energy of quality from cooling water, to flow to cooling work station 5.
In the present invention, cooling work station 5 is arranged at work plane 6 entrance of deep layer mine, include air cooler and blower fan, air cooler transmits by refrigeration work station 3 cooling fluid come to be reduced the air intake air themperature of work plane 6, air after cooling is transported to (namely in work plane 6) in the coal cutting roadway of deep layer mine by blower fan, realizes the cooling of deep layer mine.
Applying colliery of the present invention cooling system with one is below that concrete example elaborates:
The dark 1200m of this Coal Exploitation, deep rock Wen Gaoda 50 DEG C, work plane air themperature 36 DEG C, relative humidity 100%.Simultaneously anterior-260 horizontal rock temperature are 18 DEG C, have a large amount of natural cold sources in ground temperature rock stratum, and-260 levels have and exploited complete waste roadway in a large number simultaneously.
In this example, as shown in Figure 3, deep layer type pit cooling system also comprises pressure switching station 8, and pressure switching station 8 is arranged between refrigeration work station 3 and cooling work station 5, carries out pressure conversion to the fluid of uplink and downlink.Pressure switching station 8 is divided into primary side and secondary side, primary side is the fluid got off from refrigeration work station 3, secondary side is the fluid going to cooling work station 5, conducted heat by heat exchanger tube between two side liquids, thus the fluid from refrigeration work station 3 to cooling work station 5 is divided into two sections, reduce the hydrostatic pressure of fluid in pipeline.
The detailed process of this example is: the hot blast of work plane 6 is 32 DEG C, circulated by cooling work station 5, make cooling medium (being water in this example) heating of lowering the temperature in work station 5, after pressure switching station 8 and refrigeration work station 3, this hot water reaches 35-38 DEG C, and this hot water is carried to low-temperature receiver extraction station 1 in last refrigeration work station 3.The temperature of the superficial part rock stratum 7 residing for low-temperature receiver extraction station 1 is at 18-21 DEG C, this hot water reduces to 28 DEG C after low-temperature receiver extraction station 1 cools, send refrigeration work station 3 back to and process the cooling water becoming 9-13 DEG C again through refrigeration, be transported to pressure switching station 8 again, be warming up to 16-20 DEG C at this and be transported to cooling work station 5, cooling work station 5 utilizes this cooling water to cool hot blast, and is delivered in work plane 6 after being cooled to 23.25 DEG C.
Beneficial effect of the present invention is, low-temperature receiver extraction station 1 in the present invention is arranged in the low temperature tunnel 10 of superficial part rock stratum 7, in superficial part rock stratum 7, cold is obtained by heat exchanger tube 11, in the tunnel of deep layer mine, cold air is inputted again by the conversion of refrigeration work station 3 and cooling work station 5, because cold in superficial part rock stratum 7 is sufficient, therefore cooling efficiency of the present invention is high, cold is obtained additionally by superficial part rock stratum 7, cooling device need not be set on the ground, pipeline is shorter, discharge pressure is little, and the present invention is not by the restriction whether having a large amount of swallet in mine, applied widely.
Technical scheme of the present invention is disclosed as above by preferred embodiment.The change that those skilled in the art do when should recognize the scope and spirit of the present invention disclosed in the claim do not departed from appended by the present invention and retouching, within the protection domain all belonging to claim of the present invention.
Claims (7)
1. a deep layer type pit cooling system, is characterized in that, comprising:
Low-temperature receiver extraction station, described low-temperature receiver extraction station is arranged in the low temperature tunnel of superficial part rock stratum, includes multiple heat exchanger tube inserted by described low temperature tunnel in described superficial part rock stratum;
Refrigeration work station, described refrigeration work station includes refrigeration machine, and described refrigeration machine by low-temperature receiver extraction station described in pipeline communication, and is flowed in described pipeline alternately by drive unit drive fluid;
Cooling work station, described cooling work station is arranged at the work plane entrance of deep layer mine, include air cooler and blower fan, the air intake air themperature of described work plane reduces by the cooling fluid that described air cooler is come by the transmission of described refrigeration work station, and the air after described cooling is transported in the coal cutting roadway of deep layer mine by described blower fan.
2. deep layer type pit cooling system as claimed in claim 1, it is characterized in that, described deep layer type pit cooling system also comprises pressure switching station, and described pressure switching station is arranged between described refrigeration work station and described cooling work station, carries out pressure conversion to the described fluid of uplink and downlink.
3. deep layer type pit cooling system as claimed in claim 1, it is characterized in that, described low-temperature receiver extraction station comprises the multiple extraction faces be parallel to each other being arranged at described low temperature tunnel, evenly arranges multiple described heat exchanger tube in each extraction face, and described heat exchanger tube is arranged along described low temperature tunnel radial direction.
4. deep layer type pit cooling system as claimed in claim 3, it is characterized in that, described heat exchanger tube is U-tube, and its both ends open is all communicated with described pipeline.
5. the deep layer type pit cooling system as described in claim 3 or 4, is characterized in that, described heat exchanger tube is underground pipe, adopts PVC.
6. deep layer type pit cooling system as claimed in claim 1, it is characterized in that, described fluid is water.
7. deep layer type pit cooling system as claimed in claim 1, it is characterized in that, described drive unit is pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559375.1A CN104314603B (en) | 2014-10-20 | 2014-10-20 | A kind of deep layer type pit cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559375.1A CN104314603B (en) | 2014-10-20 | 2014-10-20 | A kind of deep layer type pit cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314603A true CN104314603A (en) | 2015-01-28 |
| CN104314603B CN104314603B (en) | 2016-05-11 |
Family
ID=52369898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410559375.1A Active CN104314603B (en) | 2014-10-20 | 2014-10-20 | A kind of deep layer type pit cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104314603B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386785A (en) * | 2015-11-26 | 2016-03-09 | 中国矿业大学 | Cooling system for water film plate heat exchanger attached to high-temperature mine laneway wall surface |
| RU2611770C2 (en) * | 2015-06-29 | 2017-03-01 | Лев Юрьевич Левин | Thod of air conditioning in mine workings |
| 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 |
| CN113153408A (en) * | 2021-04-10 | 2021-07-23 | 彝良驰宏矿业有限公司 | Method for cooling mine working face by using mine water |
| CN115199313A (en) * | 2022-07-20 | 2022-10-18 | 山东琦瑞能源科技有限公司 | Deep well mining refrigerating system with cyclone separator |
| CN116446939A (en) * | 2023-03-21 | 2023-07-18 | 冀中能源峰峰集团有限公司 | Ground refrigeration passes through complicated deep stratum defeated cold mine cooling system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116166A (en) * | 2011-02-21 | 2011-07-06 | 武汉星田热环境控制技术有限公司 | Vacuum ice-making, refrigeration and cooling system for mine shaft |
| CN102733840A (en) * | 2012-07-12 | 2012-10-17 | 北京矿大节能科技有限公司 | Mine underground cooling and waste heat recycling system |
| CN203570340U (en) * | 2013-09-24 | 2014-04-30 | 煤炭工业济南设计研究院有限公司 | Underground coal mine centralized mechanical cooling system based on ground heat dissipation |
-
2014
- 2014-10-20 CN CN201410559375.1A patent/CN104314603B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116166A (en) * | 2011-02-21 | 2011-07-06 | 武汉星田热环境控制技术有限公司 | Vacuum ice-making, refrigeration and cooling system for mine shaft |
| CN102733840A (en) * | 2012-07-12 | 2012-10-17 | 北京矿大节能科技有限公司 | Mine underground cooling and waste heat recycling system |
| CN203570340U (en) * | 2013-09-24 | 2014-04-30 | 煤炭工业济南设计研究院有限公司 | Underground coal mine centralized mechanical cooling system based on ground heat dissipation |
Non-Patent Citations (3)
| Title |
|---|
| 何满潮: "HEMS深井降温系统研发及热害控制对策", 《岩石力学与工程学报》 * |
| 何满潮等: "深部岩体热力学效应及温控对策", 《岩石力学与工程学报》 * |
| 胡保林: "浅析矿井制冷降温系统方案的选择", 《矿山机械》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2611770C2 (en) * | 2015-06-29 | 2017-03-01 | Лев Юрьевич Левин | Thod of air conditioning in mine workings |
| CN105386785A (en) * | 2015-11-26 | 2016-03-09 | 中国矿业大学 | Cooling system for water film plate heat exchanger attached to high-temperature mine laneway wall surface |
| CN105386785B (en) * | 2015-11-26 | 2017-07-04 | 中国矿业大学 | High-temperature mine tunnel wall attaches moisture film plate heat exchanger cooling system |
| 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 |
| CN113153408A (en) * | 2021-04-10 | 2021-07-23 | 彝良驰宏矿业有限公司 | Method for cooling mine working face by using mine water |
| CN113153408B (en) * | 2021-04-10 | 2024-04-26 | 彝良驰宏矿业有限公司 | Method for cooling mine working face by utilizing mine water |
| CN115199313A (en) * | 2022-07-20 | 2022-10-18 | 山东琦瑞能源科技有限公司 | Deep well mining refrigerating system with cyclone separator |
| CN116446939A (en) * | 2023-03-21 | 2023-07-18 | 冀中能源峰峰集团有限公司 | Ground refrigeration passes through complicated deep stratum defeated cold mine cooling system |
| CN116446939B (en) * | 2023-03-21 | 2023-09-22 | 冀中能源峰峰集团有限公司 | Ground refrigeration passes through complicated deep stratum defeated cold mine cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104314603B (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104314603A (en) | Deep mine cooling system | |
| EP3353375B1 (en) | Geothermal heat harvesters | |
| CN105649668B (en) | Lane side shutoff type mine cooling method and cooling system | |
| CN106120854A (en) | A kind of underground pipe gallery | |
| CN206220990U (en) | Deep well temperature reduction system based on packaging phase change material micro unit | |
| CN104695998A (en) | Cooling system for water supplied to high-temperature coal working face | |
| CN103954078A (en) | Method for extracting coal mine underground rock heat by adopting heat pump system | |
| CN110030027A (en) | A kind of mine air cooling system and method based on thermostat layer cold water source | |
| CN205154229U (en) | Attached water film board heat exchanger heat sink of high temperature mine tunnel wall | |
| CN202547190U (en) | Buried pipe system of ground source heat pump | |
| CN109869935B (en) | Geothermal energy composite operation system | |
| CN105422162A (en) | Mined-out area cooling device and cooling method utilizing filling material capable of absorbing heat | |
| CN201953395U (en) | Cooling device for mines | |
| CN210033510U (en) | Up-down combined water ring type large temperature difference cooling and heating system | |
| CN201407768Y (en) | Ground source heat pump with civil air defense as cold source or heat source | |
| CN103147783A (en) | Mining winter cooling and mine heat utilization system | |
| CN104154668A (en) | Sealed deep well geothermal energy collecting system | |
| CN210195799U (en) | Tunnel cooling system based on mud circulation | |
| CN204830951U (en) | Reinforce deep rock stratum heat transfer system in underground of heat transfer | |
| CN107083985A (en) | A kind of gold mine downhole cooling system | |
| CN105386785A (en) | Cooling system for water film plate heat exchanger attached to high-temperature mine laneway wall surface | |
| KR20130058148A (en) | Heating and cooling system using space in abandoned mine | |
| CN108151455B (en) | High-efficient drying system that solar energy and geothermol power combine to utilize | |
| CN116446939B (en) | Ground refrigeration passes through complicated deep stratum defeated cold mine cooling system | |
| CN202064675U (en) | Multi-well cooling grain depot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |