CN104695998A - Cooling system for water supplied to high-temperature coal working face - Google Patents
Cooling system for water supplied to high-temperature coal working face Download PDFInfo
- Publication number
- CN104695998A CN104695998A CN201510041101.8A CN201510041101A CN104695998A CN 104695998 A CN104695998 A CN 104695998A CN 201510041101 A CN201510041101 A CN 201510041101A CN 104695998 A CN104695998 A CN 104695998A
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- water
- temperature
- coal
- heat exchanger
- face
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000003673 groundwater Substances 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000007261 regionalization Effects 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
- E21F3/00—Cooling or drying of air
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Abstract
The invention discloses a cooling system for water supplied to a high-temperature coal working face. The cooling system comprises a ground water reservoir and a tube wall type heat exchanger arranged at a return airway of the underground coal working face, wherein the tube wall type heat exchanger is provided with a normal-temperature water inlet, a normal-temperature water outlet, a cold water pipe inlet and a cold water pipe outlet; the ground water reservoir is connected with the normal-temperature water inlet through a water conveying pipeline; the normal-temperature water outlet is connected to a spraying water valve arranged on the coal working face; the cold water pipe inlet and the cold water pipe outlet are connected with an underground refrigeration station. By utilizing cold water produced by the underground refrigeration station, the water conveyed by the water conveying pipeline is pre-cooled in the tube wall type heat exchanger and conveyed to the coal working face through the water conveying pipeline; a water-water heat exchange mode is adopted and the heat exchanger is arranged in the return airway, so that the environmental temperature of the coal working face can be effectively reduced and a good cooling effect is achieved.
Description
Technical field
The present invention relates to a kind of underground thermal pollution Treatment process, particularly relate to a kind of high temperature coal-face water supply cooling system.
Background technology
Along with the pit mining degree of depth increases gradually, country rock original temperature also raises gradually, causes increasing mine to face the impact of Climatic regionalization.The main source of rock heat high-temperature mine heat evil often, in a lot of mine, coal-face and driving face are its most serious regions of impact, and getting working face is also that underground labour works the most concentrated region simultaneously.Because getting working face is in the state of carrying out interchange of heat between the air of flowing and the country rock newly exposed always, the country rock temperature of new exposure is the highest, between the air of flowing and the country rock newly exposed, the temperature difference is large, and interchange of heat is violent, therefore result in getting working face airflow temperature high.And showing special feature at coal-face, coal-face intake airflow temperature is not too high, and distinguished and admirable through coal-face, and after exchanging with the country rock body heat newly exposed, airflow temperature can obviously raise, and badly influences the normal operation of workman.Therefore, flooding on Working Faces more rationally efficiently aobvious particularly important of cooling measure.
The measure of current high-temperature mine coal-face refrigeration cool-down mainly adopts the mode (air cooler) of vapor liquid heat exchange to lower the temperature to flooding on Working Faces.Concrete enforcement arranges chiller plant in air intake lane, and the cold air produced, by chiller plant pretreatment, is then transported to coal-face by air intake lane incoming air.But arrange cooling system in air intake lane and adopt vapor liquid heat exchange mode to there is more defect, first mine air intake lane equipment is many, takies air intake lane space, increases air intake windage; Secondly air intake lane workman walks about frequently, and equipment is too much unfavorable for that workman's is current very much, there is a large amount of potential safety hazards; If air intake temperature is too low again, on the one hand when workman is through cooling system, be easy to cause workman's frostbite, workman is in the process of work on the other hand, low-temperature end often near coal-face air intake lane and the temperature end cycle operation back and forth near tailentry, workman change between this cold and hot climatic environment circulation in work, be easy to cause cold, badly influence workman healthy; Finally because coal-face work is usually long, if cooling system is arranged in air intake lane, it is transported near return airway, and the circuit of conveying is long, serious reduction mine cooling effect.
Summary of the invention
The object of this invention is to provide one and can effectively reduce coal-face environment temperature, realize the high temperature coal-face water supply cooling system of good cooling-down effect.
The object of the invention is to be achieved through the following technical solutions:
High temperature coal-face water supply cooling system of the present invention, comprise ground reservoir and the tube wall type heat exchanger being located at down-hole, described tube wall type heat exchanger is provided with normal-temperature water entrance, normal-temperature water outlet, the outlet of cold water pipe entrance, cold water pipe, described ground reservoir is connected with described normal-temperature water entrance by hydraulic pipeline, described normal-temperature water outlet is connected to the sprinkling water valve being located at coal-face, and described cold water pipe entrance is connected with down-hole chiller plant with cold water pipe outlet.
As seen from the above technical solution provided by the invention, the high temperature coal-face water supply cooling system that the embodiment of the present invention provides, owing to comprising ground reservoir and the tube wall type heat exchanger being located at down-hole, tube wall type heat exchanger is provided with normal-temperature water entrance, normal-temperature water exports, cold water pipe entrance, cold water pipe exports, ground reservoir is connected with normal-temperature water entrance by hydraulic pipeline, normal-temperature water outlet is connected to the sprinkling water valve being located at coal-face, cold water pipe entrance is connected with down-hole chiller plant with cold water pipe outlet, adopt the mode of water and hydrothermal exchange, realize in tube wall heat exchanger inside carrying out precooling treatment to the water of aqueduct conveying, to reduce the temperature of conveying water, then the water of precooling treatment is transported to work plane by attemperater, more effectively coal-face environment temperature is reduced by the application of the method, realize good cooling-down effect.
Accompanying drawing explanation
The structural representation of the high temperature coal-face water supply cooling system that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of tube wall type heat exchanger in the embodiment of the present invention.
In figure:
01-ground reservoir; 02-hydraulic pipeline; 03-work plane is gone down the hill; 04-coal-face return airway; 05-tube wall type heat exchanger; 06-cold water pipe exports; 07-cold water pipe entrance; 08-spray water valve; 09-coal-face; 10-goaf; 11-coal-face air intake lane; 12-connection roadway.
Detailed description of the invention
To be described in further detail the embodiment of the present invention below.
High temperature coal-face water supply cooling system of the present invention, its preferably detailed description of the invention be:
Comprise ground reservoir and the tube wall type heat exchanger being located at down-hole, described tube wall type heat exchanger is provided with normal-temperature water entrance, normal-temperature water outlet, the outlet of cold water pipe entrance, cold water pipe, described ground reservoir is connected with described normal-temperature water entrance by hydraulic pipeline, described normal-temperature water outlet is connected to the sprinkling water valve being located at coal-face, and described cold water pipe entrance is connected with down-hole chiller plant with cold water pipe outlet.Described tube wall type heat exchanger is arranged in coal-face return airway.
High temperature coal-face water supply cooling system of the present invention, the water of ground reservoir is delivered to through aqueduct in the process of down-hole coal excavation work plane, for reducing variation in water pressure to the impact of water temperature, aqueduct one end is connected to ground reservoir, the other end is connected to a tube wall type heat exchanger apparatus in down-hole, the cold water of down-hole chiller plant conveying is utilized to flow through heat exchanger apparatus, realize in heat exchanger inside carrying out precooling treatment to the water of aqueduct conveying, to reduce the temperature of conveying water, then the water of precooling treatment is transported to work plane by attemperater.More effectively reduce coal-face environment temperature by the application of the method, realize good cooling-down effect.Meanwhile, the water of ground reservoir is transported in the process of coal-face, stores very large potential energy in the water of conveying, utilizes this potential energy can provide pressure energy for work plane spray water, therefore in whole course of conveying without any need for power set.
Specific embodiment:
As shown in Figure 1 and Figure 2, the water inside ground reservoir 01 is transported to underground coal mine by conveyance conduit 02, and aqueduct 02 delivers to coal-face return airway 04 along the upper (lower) mountain 03 of exploiting field air intake; Then use tube wall heat exchanger 05 that the aboveground water carried by aqueduct 02 is carried out cooling processing, cold water mainly by carrying in central refrigerating station, ground or refrigeration room, down-hole flows through the water that heat exchanger 05 and aboveground conveying get off and carries out interchange of heat, realizes the temperature reducing conveying water; Finally by aqueduct 02, the cold water after precooling treatment is transported to coal-face 09, is installed on control valve 08 at coal-face aqueduct 02 tube head, thus work plane water-spraying amount can be controlled to.
High temperature coal-face water supply cooling system of the present invention, heat exchanger is placed near coal-face return airway, and its internal construction uses water and hydrothermal exchange, and heat exchanger effectiveness is higher; The water conservancy transfer pipeline of ground reservoir sends to the heat exchanger being arranged in return airway, then by after the precooling treatment of heat exchanger, then is transported to down-hole coal excavation work plane and carries out sprinklings and to lower the temperature dedusting; The water of ground reservoir is transported in the process of down-hole, owing to storing very large potential energy in the water conveying of reservoir, this potential energy can be utilized to provide pressure energy for work plane spray water, therefore in whole course of conveying without any need for power set.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (2)
1. a high temperature coal-face water supply cooling system, it is characterized in that, comprise ground reservoir and the tube wall type heat exchanger being located at down-hole, described tube wall type heat exchanger is provided with normal-temperature water entrance, normal-temperature water outlet, the outlet of cold water pipe entrance, cold water pipe, described ground reservoir is connected with described normal-temperature water entrance by hydraulic pipeline, described normal-temperature water outlet is connected to the sprinkling water valve being located at coal-face, and described cold water pipe entrance is connected with down-hole chiller plant with cold water pipe outlet.
2. high temperature coal-face water supply cooling system according to claim 1, it is characterized in that, described tube wall type heat exchanger is arranged in coal-face return airway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041101.8A CN104695998A (en) | 2015-01-27 | 2015-01-27 | Cooling system for water supplied to high-temperature coal working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041101.8A CN104695998A (en) | 2015-01-27 | 2015-01-27 | Cooling system for water supplied to high-temperature coal working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104695998A true CN104695998A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510041101.8A Pending CN104695998A (en) | 2015-01-27 | 2015-01-27 | Cooling system for water supplied to high-temperature coal working face |
Country Status (1)
| Country | Link |
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| CN (1) | CN104695998A (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 |
| CN105649668A (en) * | 2016-04-03 | 2016-06-08 | 河南理工大学 | Roadway sidewall intercepting type mine cooling method and system |
| CN108104862A (en) * | 2018-01-30 | 2018-06-01 | 运城职业技术学院 | A kind of Deep Mine driving face cooling system and its control method |
| CN109268056A (en) * | 2018-12-07 | 2019-01-25 | 中国矿业大学 | A kind of mine district concentration cooling air-supply balance control device |
| CN110735658A (en) * | 2019-11-01 | 2020-01-31 | 河南理工大学 | goaf buried pipe cold water cooling and nitrogen injection system |
| CN114000908A (en) * | 2021-11-08 | 2022-02-01 | 中国矿业大学 | Modularized air cooler for underground tunnel or tunnel and use method |
-
2015
- 2015-01-27 CN CN201510041101.8A patent/CN104695998A/en active Pending
Cited By (8)
| 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 |
| 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 |
| CN105649668A (en) * | 2016-04-03 | 2016-06-08 | 河南理工大学 | Roadway sidewall intercepting type mine cooling method and system |
| CN108104862A (en) * | 2018-01-30 | 2018-06-01 | 运城职业技术学院 | A kind of Deep Mine driving face cooling system and its control method |
| CN109268056A (en) * | 2018-12-07 | 2019-01-25 | 中国矿业大学 | A kind of mine district concentration cooling air-supply balance control device |
| CN110735658A (en) * | 2019-11-01 | 2020-01-31 | 河南理工大学 | goaf buried pipe cold water cooling and nitrogen injection system |
| CN114000908A (en) * | 2021-11-08 | 2022-02-01 | 中国矿业大学 | Modularized air cooler for underground tunnel or tunnel and use method |
| CN114000908B (en) * | 2021-11-08 | 2024-05-07 | 中国矿业大学 | Modularized air cooler for underground tunnel or tunnel and use method |
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| PB01 | Publication | ||
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Application publication date: 20150610 |