CN102080564B - Method for preventing and controlling heat hazard of mine - Google Patents
Method for preventing and controlling heat hazard of mine Download PDFInfo
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- CN102080564B CN102080564B CN2010106151134A CN201010615113A CN102080564B CN 102080564 B CN102080564 B CN 102080564B CN 2010106151134 A CN2010106151134 A CN 2010106151134A CN 201010615113 A CN201010615113 A CN 201010615113A CN 102080564 B CN102080564 B CN 102080564B
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Abstract
The invention relates to a method for preventing and controlling heat hazards of a mine, comprising the following steps of: cooling a part of air entering the mine by directly utilizing a high-efficiency refrigerating unit; then mixing the part of air with other air entering the mine to form low-temperature air; and delivering the low-temperature air to an underground working place through the traditional mine ventilation system so as to achieve the purposes of preventing and eliminating underground high-temperature high-humidity hazards and improving underground operating environments. An adopted device comprises a cooling tower, the refrigerating unit, an evaporation heat exchanger, an intake shaft, an intake airway, a coal face, a local fan, a driving face, a mine return airway, a return air shaft and a mine main fan, wherein the refrigerating unit is arranged on the ground and connected with the cooling tower and the evaporation heat exchanger; an exhaust pipe of the evaporation heat exchanger is connected with the intake shaft; the lower side of the intake shaft is connected with the intake airway and connected with the coal face from the intake airway and returns to the mine return airway from the coal face; the mine return airway is connected with the return air shaft; and the foreshaft of the return air shaft is provided with a mine main fan. The invention has the advantages of easy equipment installation, maintenance and management and energy saving.
Description
Technical field
The present invention relates to the processing method of hot air under the coal mine, relate in particular to a kind of method of preventing and treating underground thermal pollution.
Background technology
The fully mechanized coal face in colliery and the degree of depth of driving face have generally all surpassed 800 meters, and especially the water burst temperature of driving face has generally all surpassed 45 ℃, have surpassed the regulation that " safety regulations in coal mine " could construct below 30 ℃.In order to lower the temperature to driving face; By prior art generally is to adopt the mode of line transportation refrigerant, promptly adopts the local airtight and local way that cools, and the hot air after the heat exchange has been stayed in the tunnel that does not isolate; The difference refrigeration cool-down of each fully mechanized coal face of one side and driving face; Having increased the work load of refrigeration cool-down, is the form that is easy to cause the repetition refrigeration cool-down on the other hand, forms a large amount of wastes; And say that on the whole the chiller plant of prior art when administering localized hyperthermia, has produced a large amount of heat all in the down-hole, therefore sees on the whole, local refrigeration and zone refrigeration to mine generally can not play the effect of significant hypothermal.
Summary of the invention
The objective of the invention is to; Overcome the deficiency and the hidden danger of prior art, a kind of method of preventing and treating underground thermal pollution is provided, down-hole heat energy is all drained into ground; Utilize big lane cold wind to be delivered to fully mechanized coal face and driving face, omit the trouble that prior art is laid utilidor as defeated cold pipeline.
The method of control underground thermal pollution of the present invention is directly to utilize the highly effective refrigeration unit, after the portion of air that gets into mine is cooled off; Mix with other air that gets into mine again; Form Cryogenic air,, deliver to the underground work place through existing mine ventilation system; Reach prevention, elimination down-hole high temperature, high humidity harm, improve the purpose of working environment at coal mines.The device that the present invention adopted includes cooling tower, refrigeration unit, evaporating heat exchanger, downcast, intake, coal-face, booster, driving face, mine return airway, returnairshaft and mine main ventilator and forms.Refrigeration unit is set on the ground; Refrigeration unit is connected to cooling tower and evaporating heat exchanger simultaneously, and the discharge pipe of evaporating heat exchanger is connected to downcast, is connected to intake below the downcast; Be connected to coal-face from intake, turn back to the mine return airway by coal-face.Entry position at driving face is provided with booster.The mine return airway is connected to returnairshaft, and the well head of returnairshaft is provided with mine main ventilator.
The invention has the beneficial effects as follows: one, can central refrigerating: ownership cool equipment concentrates on ground, is easy to that equipment is installed, maintenance and management; Two, can merge mutually with prior art: make full use of existing underworkings as defeated cold pipeline, will ventilate and merge mutually, the investment of reduction system significantly with refrigeration; Three, systematic energy efficiency ratio (COP) is higher, reaches effect in energy saving and environmental protection.A kind of method of preventing and treating underground thermal pollution according to the invention is to have utilized the prefabricated Cryogenic air in ground, is transported to the down-hole through existing ventilation system, reaches the purpose of prevention, elimination underground thermal pollution.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of preventing and treating the method and technology scheme of underground thermal pollution according to the invention.1-cooling tower, 2-refrigeration unit, 3-evaporating heat exchanger, 4-downcast, 5-intake, 6-coal-face, 7-booster, 8-driving face, 9-mine return airway, 10-returnairshaft, 11-mine main ventilator.
The specific embodiment
Existing with reference to accompanying drawing 1, explain as follows in conjunction with embodiment: a kind of method of preventing and treating underground thermal pollution of the present invention is directly to utilize the highly effective refrigeration unit; After the portion of air that gets into mine cooled off, mixes the formation Cryogenic air again with other air that gets into mine; Through existing mine ventilation system; Deliver to the underground work place, reach prevention, elimination down-hole high temperature, high humidity harm, improve the purpose of working environment at coal mines.The device that the present invention adopted includes cooling tower 1, refrigeration unit 2, evaporating heat exchanger 3, downcast 4, intake 5, coal-face 6, booster 7, driving face 8, mine return airway 9, returnairshaft 10 and mine main ventilator 11 and forms.Refrigeration unit 2 is set on the ground; Refrigeration unit 2 is connected to cooling tower 1 and evaporating heat exchanger 3 simultaneously; The discharge pipe of evaporating heat exchanger 3 is connected to downcast 4; Be connected to intake 5 below the downcast 4, be connected to coal-face 6, turn back to mine return airway 9 by coal-face 6 from intake 5.In the entry position of driving face 8, be provided with booster 7.Mine return airway 9 is connected to returnairshaft 10, and the well head of returnairshaft 10 is provided with mine main ventilator 11.The invention has the beneficial effects as follows: one, can central refrigerating: ownership cool equipment concentrates on ground, is easy to that equipment is installed, maintenance and management; Two, can merge mutually with prior art: make full use of existing underworkings as defeated cold pipeline, will ventilate and merge mutually, the investment of reduction system significantly with refrigeration; Three, systematic energy efficiency ratio (COP) is higher, reaches effect in energy saving and environmental protection.A kind of method of preventing and treating underground thermal pollution according to the invention is to have utilized the prefabricated Cryogenic air in ground, is transported to the down-hole through existing ventilation system, reaches the purpose of prevention, elimination underground thermal pollution.The heat that highly effective refrigeration unit 2 produces drains in the atmosphere through cooling tower 1; The cold that produces through evaporating heat exchanger 3 air cooling to 3 ℃; After the air that gets into downcast 4 mixes; The Cryogenic air that forms about 20 ℃ enters into the down-hole, delivers to coal-face 6 through intake 5, and the air in the intake 5 is at 24 ℃-25 ℃.Arrive booster 7 through intake 5 and deliver to driving face 8; Guarantee that driving face 8 airflow temperatures are not more than 26 ℃; By the return air of coal-face 6 and driving face 8, through mine return airway 9 and returnairshaft 10, by mine main ventilator 11 pump drainages to ground.
Claims (1)
1. method of preventing and treating underground thermal pollution; It is characterized in that being provided with on the ground refrigeration unit (2); Refrigeration unit (2) is connected to cooling tower (1) and evaporating heat exchanger (3) simultaneously, and the discharge pipe of evaporating heat exchanger (3) is connected to downcast (4), is connected to intake (5) below the downcast (4); Be connected to coal-face (6) from intake (5), turn back to mine return airway (9) by coal-face (6); Entry position in driving face (8) is provided with booster (7), and mine return airway (9) is connected to returnairshaft (10), and the well head of returnairshaft (10) is provided with mine main ventilator (11); The method of the control underground thermal pollution of realizing through said apparatus is; The heat that refrigeration unit (2) produces drains in the atmosphere through cooling tower (1), the cold of generation through evaporating heat exchanger (3) air cooling to 3 ℃, after the air of entering downcast (4) mixes; The Cryogenic air that forms about 20 ℃ enters into the down-hole; Deliver to coal-face (6) through intake (5), the air in the intake (5) arrives booster (7) through intake (5) and delivers to driving face (8) at 24 ℃-25 ℃; Guarantee that driving face (8) airflow temperature is not more than 26 ℃; By the return air of coal-face (6) and driving face (8), through mine return airway (9) and returnairshaft (10), by mine main ventilator (11) pump drainage to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106151134A CN102080564B (en) | 2010-12-30 | 2010-12-30 | Method for preventing and controlling heat hazard of mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106151134A CN102080564B (en) | 2010-12-30 | 2010-12-30 | Method for preventing and controlling heat hazard of mine |
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| Publication Number | Publication Date |
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| CN102080564A CN102080564A (en) | 2011-06-01 |
| CN102080564B true CN102080564B (en) | 2012-11-21 |
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| CN102900452B (en) * | 2012-10-29 | 2014-12-17 | 中钢集团马鞍山矿山研究院有限公司 | Technique for cooling deep mining area by using ground temperature of shallow goaf and waste roadway |
| CN103615277B (en) * | 2013-12-09 | 2016-03-16 | 丁文军 | A kind of type pit cooling system |
| CN105569717A (en) * | 2014-10-15 | 2016-05-11 | 武汉星田热环境控制技术有限公司 | Concentrated refrigeration station deploy method |
| CN104500126A (en) * | 2015-01-06 | 2015-04-08 | 济南国海能源科技有限公司 | Comprehensive mine cooling device |
| CN106285758A (en) * | 2015-05-29 | 2017-01-04 | 师吉运 | A kind of underground thermal pollution prevention and controls |
| 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 |
| CN107227971A (en) * | 2016-03-24 | 2017-10-03 | 中国矿业大学(北京) | The method that cold wind controls high temperature stope operation area environment temperature every account |
| CN107313796A (en) * | 2017-08-23 | 2017-11-03 | 黑龙江工业学院 | A kind of coal mine heat evil prevention and controls |
| CN108506036A (en) * | 2018-03-16 | 2018-09-07 | 江南大学 | A kind of mine cooling and heating system using mine return air heat energy |
| CN109139082A (en) * | 2018-10-10 | 2019-01-04 | 山西汾西矿业（集团）有限责任公司 | Circulated air detection device in a kind of coal mine down-hole tunnel |
| CN112145218A (en) * | 2020-09-30 | 2020-12-29 | 辽宁工程技术大学 | System and method for treating thermal damage of underground coal face |
| CN112360541A (en) * | 2020-10-23 | 2021-02-12 | 安徽恒星世纪空调制冷设备有限公司 | Mine cooling method based on outdoor temperature |
| CN113915783A (en) * | 2021-10-15 | 2022-01-11 | 中南大学 | Mine thermal damage treatment collaborative geothermal mining method |
| CN113945017A (en) * | 2021-10-15 | 2022-01-18 | 中南大学 | Mine thermal damage treatment collaborative geothermal exploitation system |
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| RU2134353C1 (en) * | 1998-05-07 | 1999-08-10 | Санкт-Петербургский государственный горный институт им.Г.В.Плеханова (технический университет) | Method for regulation of thermal conditions in railway tunnels at winter period |
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