CN201074522Y - Low-temperature refrigeration cooling device for mine - Google Patents
Low-temperature refrigeration cooling device for mine Download PDFInfo
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- CN201074522Y CN201074522Y CNU2007200868452U CN200720086845U CN201074522Y CN 201074522 Y CN201074522 Y CN 201074522Y CN U2007200868452 U CNU2007200868452 U CN U2007200868452U CN 200720086845 U CN200720086845 U CN 200720086845U CN 201074522 Y CN201074522 Y CN 201074522Y
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Abstract
A low temperature refrigerating cooling device for a mine relates to a device which is used for cooling mine and creating low temperature environment, which comprises a ground part and an underground part. The ground part comprises a lithium bromide adsorption water chilling unit, an ethylene glycol refrigerating unit, a ground return water tank and a freezing water pump. The underground part comprises a high-low pressure heat exchange device, an underground chilled water pump, an underground return water tank and a mine-used high pressure combined type air cooling device, and each element is connected through pipes. The utility model adopts residual heat of a gas power station and a gangue fired power station as power, ethylene glycol solution with low temperature which is cooled with two grades is transmitted to the high pressure side of the underground high-low pressure heat exchange device, the solution is returned to the ground and cooled in cycle after being cold and heat exchange. Hot water which is from a working place enters into a low pressure inlet of the high-low pressure heat exchange device through the return water pipe, and cold-blast air with 13-18 DEG C which is generated by the high pressure combined type air cooling device cools a mine after being heat change. The utility model has low operating cost, stable cooling property and good cooling effect, and the cooling extent is 8-14 DEG C.
Description
Technical field
The utility model relates to a kind ofly lowers the temperature to mine, creates the device of low temperature environment.
Background technology
In the coal reserves that China is verified, the coal reserves of 1000～2000m depths accounts for 53.2% of gross reserves, so the degree of depth of pit mining is in continuous increase, along with the continuous increase of the pit mining degree of depth, mine job site working environment is more and more warmmer, and the instant heating evil is more and more serious.There are many getting working face airflow temperatures to mine in China above 30 ℃ according to statistics.So many heat evil mine, if do not work out ripe falling temperature technique and equipment, the exploitation of coal resources and utilize will be very difficult influence the sustainable development of whole national economy, so the mine elevated temperature heat does harm to and become one and can not be ignored and urgent problem.
Sum up domestic and international mining refrigerating plant, mainly contain following several:
First kind of handpiece Water Chilling Units refrigeration: promptly adopt centrifugal, screw rod, piston refrigeration unit to produce cold water about 5 ℃, realize the cooling of job site by spray or table cool equipment to the work plane supply.It is divided into ground, down-hole or ground-down-hole and unites three kinds.Its major defect is: the coal mine working place disperses, the cooling distance that requires is longer, be generally 5000～10000m, even longer, because the cold water temperature that refrigerating plant is produced is about 5 ℃, when cold water arrives work plane, because long distance carries water temperature to rise, increasing degree can surpass 10 ℃, and cooling-down effect is relatively poor, and cooling extent has only 3～4 ℃.
Second kind of mobile air conditioner (or claiming air-cooler): the mobile device that main flow equipment is produced based on German Herco company, WAT company, its principle is similar to the family expenses split-type air conditioner, and compressor, condenser, evaporimeter separate.Its major defect is: cooling-down effect is poor, investment is big.Invest 1,300 ten thousand yuan as colliery, the Chinese parasol tree village, Hebei, serve a work plane, the temperature range of decrease is 1.5 ℃, and Huainan Pan Sankuang invests 4,000 ten thousand yuan, and the working face cooling amplitude is about 2 ℃.For work plane more than 35 ℃, the temperature after the cooling still surpasses national regulation.
The third ice making equipment: three kinds of devices are arranged at present, the one, the floating ice equipment that Germany produces, another kind are the vacuum ice machines that Israel produces, at last a kind of is homemade slice ice machine or plate ice machine.The common drawback of ice making equipment is: joining the cooling-down effect that can guarantee the underground work place under the prerequisite of sufficient ice-making capacity, but the running cost height.As flat coal six ore deposits, the ice maker of cover 360 tons of ice/days of daily output is served a work plane, day power consumption 32000kWh.The vacuum ice making equipment that Israel produces also can utilize residual heat of electric power plant, but introduce the expense height of this equipment, and the ice machine of producing ice 400 ton per days as separate unit daily needs 1,600 ten thousand yuan of RMB approximately.Moral runoff yield icing equipment also is to adopt electricity as driving force, and the running cost of running cost and domestic film ice maker or plate ice machine is more or less the same.
Existing " the ice-cold low-temp radiating cooling system of a kind of mine " (patent No. 200420002466), the ice-melt pond, down-hole that ground ice making equipment, defeated ice facility is set in this cooling system, is connected with the ground ice making equipment by defeated ice facility, the work plane heat sink that is connected with ice-melt pond, down-hole by the cold water transfer pipeline.
Summary of the invention
The purpose of this utility model is at above-mentioned present situation, aims to provide that a kind of running cost is low, temperature reduction performance is stable, the mining cryogenic refrigeration heat sink of good cooling effect.
The implementation of the utility model purpose is, mining cryogenic refrigeration heat sink, lithium bromide absorption cold water unit 1 and/or ethylene glycol refrigeration unit 2, ground recovery tank 3, chilled water pump 4 connects by pipeline successively, lithium bromide absorption cold water unit 1 has steam or gas connection pipe 13, condensate water tube connector or flue gas tube connector 14, cooling water supplies, return pipe 15,16 and for distribution source connector, ethylene glycol refrigeration unit 2 has cooling water to supply, water return pipeline 17,18 and for distribution source connector, chilled water pump 4 links by the high pressure entry of feed liquid pipeline 9 with down-hole high-low pressure cold-exchange 5, the high-pressure outlet of down-hole high-low pressure cold-exchange 5 links by the evaporimeter of ethylene glycol solution return pipe 10 with lithium bromide absorption cold water unit 1, the low-pressure side of high-low pressure cold-exchange 5 links to each other with the water inlet of the mining high-voltage combined air colder 8 of job site by cooling pipeline 11, the delivery port of mining high-voltage combined air colder 8 links to each other with the top of down-hole recovery tank 7 by return pipe 12, water supply pump 6 water sucking mouths in down-hole link to each other with 7 bottom, outlet is connected by the low-pressure side of pipeline 12 with down-hole high-low pressure cold-exchange 5
Mine cryogenic refrigeration heat sink of the present utility model is lithium bromide absorption cold water unit 1, ethylene glycol refrigeration unit 2 is installed in ground, utilize gas power station and spoil residual heat of electric power plant power as lithium bromide absorption cold water unit, the low temperature ethylene glycol solution of making by line transportation to the ethylene glycol refrigeration unit, carry out the secondary cooling, and the temperature of ethylene glycol solution is reduced to-1～-5 ℃, be delivered to the high-pressure side of down-hole high-low pressure cold-exchange 5 then by ethylene glycol solution feed liquid pipeline 9, through the evaporator inlet that returns ground lithium bromide absorption cold water unit 1 after the cold and hot exchange cooling that circulates.While is from the mining high-voltage combined air colder 8 of job site, water temperature is that 13～20 ℃ hot water passes through return pipe 12, enter the low-pressure inlet of high-low pressure cold-exchange 5, temperature is reduced to 1～3 ℃ after carrying out interchange of heat with high pressure, low temperature ethylene glycol solution, be delivered to the mining high-voltage combined air colder 8 of job site by down-hole water supply pump 6, the circulation cooling.The inlet air temperature of mining high-voltage combined air colder is 33～35 ℃, and leaving air temp is 13～18 ℃, and cold wind is delivered to the job site by air duct, realizes mine cooling.
The utility model is compared with above-mentioned three kinds of refrigeration of underground mine devices has following characteristics:
Make full use of gas power station and spoil residual heat of electric power plant, energy-saving and emission-reduction, running cost has only 1/3～1/4 of electric ice making cooling, and saves more than 20% than the running cost of handpiece Water Chilling Units refrigeration;
Temperature reduction performance is stable, good cooling effect, and the getting working face cooling extent is 8～14 ℃, and electric ice making cool effect has only 3～5 ℃, and the effect of handpiece Water Chilling Units refrigeration cool-down is 3～4 ℃, and the cooling-down effect of mobile air conditioner has only 1～2 ℃:
Equipment investment is low, lowers the temperature the investment-saving more than 30% than mobile air conditioner or electric ice making, and is fair with the investment of handpiece Water Chilling Units refrigeration cool-down; Meet national energy saving policy, for new way has been opened up in the utilization of waste heat overbottom pressure.
Description of drawings
Accompanying drawing is the utility model structural representation
The specific embodiment
With reference to accompanying drawing, the utility model divides ground and two parts in down-hole by dividing to scheme going up face of land line 19.Above ground portion mainly is made up of lithium bromide absorption cold water unit 1, ethylene glycol refrigeration unit 2, ground recovery tank 3, chilled water pump 4; The down-hole part mainly is made up of high-low pressure cold-exchange 5, down-hole water supply pump 6, down-hole recovery tank 7 and mining high-voltage combined air colder 8.Lithium bromide absorption cold water unit 1 and ethylene glycol refrigeration unit 2 can be used simultaneously, also can use separately.
5 fens high-pressure sides of high-low pressure cold-exchange (shell-side, pipe outer) and low-pressure side (in pipe side, the pipe), the pressure of 6.4～10.0Mpa can be born in the utility model requirement high-pressure side, and low-pressure side generally can be born the pressure of 1.6～2.5Mpa.In the utility model, the high-pressure side is an ethylene glycol solution, and low-pressure side is a light water, only carries out interchange of heat by copper pipe between the both sides.
The mode of high-pressure side ethylene glycol solution circulation is: the evaporimeter of lithium bromide absorption cold water unit 1 links to each other by ethylene glycol solution return pipe 10 with the evaporimeter of ethylene glycol refrigeration unit 2, and deliver to ground recovery tank 3 by pipeline, ground recovery tank 3 links to each other with the intake of chilled water pump 4, the outlet of chilled water pump 4 links by the high pressure entry of ethylene glycol solution feed liquid pipeline 9 with down-hole high-low pressure cold-exchange 5, the high-pressure outlet of down-hole high-low pressure cold-exchange 5 links by the evaporimeter of ethylene glycol solution return pipe 10 with lithium bromide absorption cold water unit 1, forms the circulation of high pressure ethylene glycol solution.
Low-pressure side water circulation mode is: the low-pressure side of high-low pressure cold-exchange 5 links to each other with the water inlet of the mining high-voltage combined air colder 8 of job site by cooling pipeline 11, the delivery port of mining high-voltage combined air colder 8 links to each other with the top of down-hole recovery tank 7 by return pipe 12, water supply pump 6 water sucking mouths in down-hole link to each other with the bottom of down-hole recovery tank 7, the outlet of down-hole water supply pump 6 is connected by the low-pressure side of return pipe 12 with high-low pressure cold-exchange 5, forms the low-pressure water circulation.The low-pressure inlet temperature of high-low pressure cold-exchange 5 is 13～20 ℃ in this course, and the low tension outlet temperature is 1～3 ℃, and the inlet water temperature of mining high-voltage combined air colder 8 is 3～5 ℃, and the outlet coolant-temperature gage is 13～17 ℃; The inlet air temperature is 33～35 ℃, and leaving air temp is 13～18 ℃.
Mining high-voltage combined air colder 8 is used the fan coil of face building central air-conditioning similarly, its basic module is that snake type copper tube bends and forms, and be the water of low temperature in the pipe, and managing outward is air, by flowing of water in the distinguished and admirable mobile and pipe, cold and hot exchange takes place.
During the utility model work, utilize gas power station and spoil residual heat of electric power plant by steam or Gas Pipe 13 to lithium bromide absorption cold water unit transmitting power, carry out the one-level cooling, make low temperature ethylene glycol solution or water, condensate water or flue gas are discharged by condensate pipe or fume pipe 14, the low temperature ethylene glycol solution of making by line transportation to ethylene glycol refrigeration unit 2, carry out the secondary cooling, and the temperature of ethylene glycol solution is reduced to-1～-5 ℃, then by ground recovery tank 3, chilled water pump 4, ethylene glycol solution feed liquid pipeline 9 is delivered to the high-pressure side of down-hole high-low pressure cold-exchange 5, pass through return pipe 10 through cold and hot exchange back, the evaporator inlet that returns ground lithium bromide absorption cold water unit 1 cooling that circulates.The evaporimeter ethylene glycol solution inlet temperature of lithium bromide absorption cold water unit 1 is 10～17 ℃ in this course, the evaporator outlet temperature of ethylene glycol refrigeration unit 2 is-1～-5 ℃, the high pressure entry ethylene glycol solution temperature of down-hole high-low pressure cold-exchange 5 is-1-1～3 ℃, and outlet ethylene glycol solution temperature is 9～13 ℃.
Claims (3)
1. mining cryogenic refrigeration heat sink, it is characterized in that lithium bromide absorption cold water unit (1) and/or ethylene glycol refrigeration unit (2), ground recovery tank (3), chilled water pump (4) connects by pipeline successively, lithium bromide absorption cold water unit (1) has steam or gas connection pipe (13), condensate water tube connector or flue gas tube connector (14), cooling water supplies, return pipe (15,16) and for distribution source connector, ethylene glycol refrigeration unit (2) has cooling water to supply, water return pipeline (17,18) and for distribution source connector, chilled water pump (4) links by the high pressure entry of feed liquid pipeline (9) with down-hole high-low pressure cold-exchange (5), the high-pressure outlet of down-hole high-low pressure cold-exchange (5) links by the evaporimeter of ethylene glycol solution return pipe (10) with lithium bromide absorption cold water unit (1), the low-pressure side of high-low pressure cold-exchange (5) links to each other with the water inlet of the mining high-voltage combined air colder (8) of job site by cooling pipeline (11), the delivery port of mining high-voltage combined air colder (8) links to each other with the top of down-hole recovery tank (7) by return pipe (12), down-hole water supply pump (6) water sucking mouth links to each other with the bottom of (7), and outlet is connected by the low-pressure side of pipeline (12) with down-hole high-low pressure cold-exchange (5).
2. mining cryogenic refrigeration heat sink according to claim 1, the evaporimeter that it is characterized in that lithium bromide absorption cold water unit (1) links to each other by ethylene glycol solution return pipe (10) with the evaporimeter of ethylene glycol refrigeration unit (2), ground recovery tank (3) links to each other with the intake of chilled water pump (4), the outlet of chilled water pump (4) links by the high pressure entry of ethylene glycol solution feed liquid pipeline (9) with down-hole high-low pressure cold-exchange (5), and the high-pressure outlet of down-hole high-low pressure cold-exchange (5) links by the evaporimeter of ethylene glycol solution return pipe (10) with lithium bromide absorption cold water unit (1).
3. mining cryogenic refrigeration heat sink according to claim 1, the low-pressure side that it is characterized in that high-low pressure cold-exchange (5) links to each other with the water inlet of the mining high-voltage combined air colder (8) of job site by cooling pipeline (11), the delivery port of mining high-voltage combined air colder (8) links to each other with the top of down-hole recovery tank (7) by return pipe (12), down-hole water supply pump (6) water sucking mouth links to each other with the bottom of down-hole recovery tank (7), and the outlet of down-hole water supply pump (6) is connected by the low-pressure side of return pipe (12) with high-low pressure cold-exchange (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200868452U CN201074522Y (en) | 2007-09-07 | 2007-09-07 | Low-temperature refrigeration cooling device for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200868452U CN201074522Y (en) | 2007-09-07 | 2007-09-07 | Low-temperature refrigeration cooling device for mine |
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| Publication Number | Publication Date |
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| CN201074522Y true CN201074522Y (en) | 2008-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200868452U Expired - Lifetime CN201074522Y (en) | 2007-09-07 | 2007-09-07 | Low-temperature refrigeration cooling device for mine |
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Cited By (12)
| 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 |
| CN102536297A (en) * | 2012-02-20 | 2012-07-04 | 河南理工大学 | Cold conveying system of mine air-conditioning and working method of cold conveying system |
| CN102900457A (en) * | 2012-11-09 | 2013-01-30 | 山东北辰机电设备股份有限公司 | Depressurization device for underground cooling system |
| CN102943685A (en) * | 2012-10-25 | 2013-02-27 | 上海岚毅智能科技有限公司 | Method and device for cooling and dehumidifying mine risk-avoiding chamber and escape capsule |
| CN103306705A (en) * | 2013-06-13 | 2013-09-18 | 中国科学院工程热物理研究所 | Refrigeration system for mine cooling |
| CN103388487A (en) * | 2013-08-12 | 2013-11-13 | 上海理工大学 | Recovery device for methane in mine discharged air and application thereof |
| CN103410549A (en) * | 2012-12-20 | 2013-11-27 | 兖州煤业股份有限公司 | System and method by means of power plant waste heat for conducting aeration cooling on mine |
| CN103485815A (en) * | 2013-09-05 | 2014-01-01 | 山东新巨龙能源有限责任公司 | Mobile vertical cold conveying concentrated refrigerating method on shaft |
| CN104121032A (en) * | 2014-08-13 | 2014-10-29 | 中煤科工集团重庆研究院有限公司 | Mining membrane type high-low pressure conversion device |
| CN105134280A (en) * | 2015-08-18 | 2015-12-09 | 王勇 | Mine underground cooling device |
| CN106837403A (en) * | 2017-04-01 | 2017-06-13 | 中国矿业大学 | Underground coal mine refrigeration ground heat-extraction system and method based on power plant cooling water |
| CN110107335A (en) * | 2019-06-13 | 2019-08-09 | 山东博特瑞节能环保科技有限公司 | The big temperature difference cooling of well up and down Heshui ring type, heating system |
-
2007
- 2007-09-07 CN CNU2007200868452U patent/CN201074522Y/en not_active Expired - Lifetime
Cited By (17)
| 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 |
| CN102536297A (en) * | 2012-02-20 | 2012-07-04 | 河南理工大学 | Cold conveying system of mine air-conditioning and working method of cold conveying system |
| CN102943685A (en) * | 2012-10-25 | 2013-02-27 | 上海岚毅智能科技有限公司 | Method and device for cooling and dehumidifying mine risk-avoiding chamber and escape capsule |
| CN102900457A (en) * | 2012-11-09 | 2013-01-30 | 山东北辰机电设备股份有限公司 | Depressurization device for underground cooling system |
| CN102900457B (en) * | 2012-11-09 | 2014-11-19 | 山东北辰机电设备股份有限公司 | Depressurization device for underground cooling system |
| CN103410549A (en) * | 2012-12-20 | 2013-11-27 | 兖州煤业股份有限公司 | System and method by means of power plant waste heat for conducting aeration cooling on mine |
| CN103410549B (en) * | 2012-12-20 | 2015-10-28 | 兖州煤业股份有限公司 | Utilize the System and method for that residual heat of electric power plant is lowered the temperature for mine ventilation |
| CN103306705B (en) * | 2013-06-13 | 2016-05-18 | 中国科学院工程热物理研究所 | Mine cooling refrigeration system |
| CN103306705A (en) * | 2013-06-13 | 2013-09-18 | 中国科学院工程热物理研究所 | Refrigeration system for mine cooling |
| CN103388487A (en) * | 2013-08-12 | 2013-11-13 | 上海理工大学 | Recovery device for methane in mine discharged air and application thereof |
| CN103485815A (en) * | 2013-09-05 | 2014-01-01 | 山东新巨龙能源有限责任公司 | Mobile vertical cold conveying concentrated refrigerating method on shaft |
| CN104121032A (en) * | 2014-08-13 | 2014-10-29 | 中煤科工集团重庆研究院有限公司 | Mining membrane type high-low pressure conversion device |
| CN104121032B (en) * | 2014-08-13 | 2016-03-02 | 中煤科工集团重庆研究院有限公司 | Mining diaphragm type high/low pressure conversion device |
| CN105134280A (en) * | 2015-08-18 | 2015-12-09 | 王勇 | Mine underground cooling device |
| CN106837403A (en) * | 2017-04-01 | 2017-06-13 | 中国矿业大学 | Underground coal mine refrigeration ground heat-extraction system and method based on power plant cooling water |
| CN106837403B (en) * | 2017-04-01 | 2019-02-19 | 中国矿业大学 | Underground coal mine refrigeration ground heat-extraction system and method based on power plant cooling water |
| CN110107335A (en) * | 2019-06-13 | 2019-08-09 | 山东博特瑞节能环保科技有限公司 | The big temperature difference cooling of well up and down Heshui ring type, heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PINGDINGSHAN COAL INDUSTRY (GROUP) COMPANY LTD.; Free format text: FORMER OWNER: WUHAN XINGTIAN THERMAL ENVIRONMENT CONTROL TECHNOLOGY CO., LTD. Effective date: 20080718 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080718 Address after: Chinese miner middle road in Pingdingshan, Henan Province, zip code: 467000 Co-patentee after: Wuhan Starfield Minecooling Technology Co., Ltd. Patentee after: Pingdingshan coal (Group) limited liability company Address before: Hubei province Wuhan Wuluo Road No. 460 poly luxurious courtyard room 2105, zip code: 430070 Patentee before: Wuhan Starfield Minecooling Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080618 |