CN101344009A - Mine cooling-down system and method - Google Patents
Mine cooling-down system and method Download PDFInfo
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- CN101344009A CN101344009A CNA2008101981729A CN200810198172A CN101344009A CN 101344009 A CN101344009 A CN 101344009A CN A2008101981729 A CNA2008101981729 A CN A2008101981729A CN 200810198172 A CN200810198172 A CN 200810198172A CN 101344009 A CN101344009 A CN 101344009A
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Abstract
The invention discloses a cooling system used for a mine and a cooling method; the cooling system comprises an ice slurry preparation device, a high/low pressure heat exchanger and a working face cooler; the ice slurry formed by the ice slurry preparation device is communicated with the high pressure side of the high/low pressure heat exchanger by an ice slurry conveying pipe and a return water pipe; a high pressure ice slurry conveying pump is arranged on the ice slurry conveying pipe; the working face cooler is communicated with the low pressure side of the high/low pressure heat exchanger by a low pressure cooling water pipe so as to form cooling circulation under the mine and a cooling pump under the mine is arranged on the cooling pipe. The invention carries out cooling and temperature reduction to the mine by the flowability and the large latent heat of the flowing ice slurry, and has the advantages of good temperature reduction effect, small occupied space, small facility investment and low operation cost.
Description
Technical field
The present invention relates to a kind of mine cooling system and cool-down method.
Background technology
The coal in China mining depth has about 30% to enter underground km level at present, and the influence that the colliery more than 50% all is subjected to underground heat stops adopting state and production efficiency is declined to a great extent or be in; Along with mine progressively extends and a large amount of heat extractions of mechanized equipment to the deep, mine heat evil is serious day by day, the ground heat problem that the method for dependence tradition ventilation is lowered the temperature and can't be solved deep-well, must take the technology of artificial air-conditioning temperature-reducing, at present, the common handpiece Water Chilling Units that mine air conditioner uses, be usually placed near the well head of ground or the down-hole, lower the temperature by the cold water that send 5 to 7 degree to work plane, the problem that this type of system mode exists is also more and more outstanding, mainly shows as:
1, along with the increase of the degree of depth, the capacity and the facility of refrigeration unit are increasing, and fed distance is more and more longer, and pipe diameter increases greatly, have taken a large amount of space, down-hole;
2, the poor refrigerating efficiency of existing mine cooling system can't effectively satisfy the needs of mine cooling;
3, existing mine cooling system equipment investment is big, the operating cost height, and equipment is installed, the Operation and maintenance difficulty.
Summary of the invention
The object of the present invention is to provide a kind of mine cooling system and cool-down method, good cooling effect of the present invention, it is little to take up room, and equipment investment is little, and operating cost is low.
The present invention is achieved through the following technical solutions:
A kind of mine cooling system, this cooling system includes ice slurry preparation facilities, high-low pressure heat exchanger, work plane cooler, ice slurry preparation facilities is communicated with the high-pressure side of high-low pressure heat exchanger by ice slurry carrier pipe, return pipe, on ice slurry carrier pipe, be provided with high pressure ice slurry delivery pump, the work plane cooler is connected to form cooling line by the low-pressure side of low pressure cooling water pipe and high-low pressure heat exchanger, and is provided with the down-hole cooling water pump on this cooling line.
On described return pipe, be provided with the cold water refrigeration machine.
On described cooling line, be provided with strainer.
Described ice slurry preparation facilities comprises ice slurry refrigeration machine, subcooler, short brilliant device, ice slurry inspissator, cold water storage cistern, cyclic water tank; Ice slurry refrigeration machine, subcooler, short brilliant device, ice slurry inspissator are communicated with successively, between short brilliant device and ice slurry inspissator, be provided with the ice stock pump, the ice mouth of ice slurry inspissator is communicated with described ice slurry carrier pipe, and the delivery port of ice slurry inspissator is communicated with cold water storage cistern, and described return pipe is communicated with cyclic water tank; The water inlet end of subcooler is communicated with cold water storage cistern, cyclic water tank by feed pipe, is provided with water pump on feed pipe.
The used mine cooling method of the present invention comprises the steps: at least
(particularly this step comprises again: a1, water pump are transported to cold water storage cistern and the mixed water of cyclic water tank ice slurry refrigeration machine, subcooler cools off and are made water formation supercooling state in the high-pressure side of the prepared ice slurry of a, ice slurry preparation facilities by the high-low pressure heat exchanger of ice slurry carrier pipe high-pressure delivery to the mine; A2, short brilliant device are removed the supercooled state of subcooled water, and water is converted into liquid ice slurry; A3, ice stock pump input to ice slurry inspissator with liquid state ice slurry and concentrate, and the ice slurry after concentrating is delivered to ice slurry carrier pipe, and cold water is delivered to cold water storage cistern);
B, the on high-tension side ice slurry of high-low pressure heat exchanger carry out heat exchange with the cooling water of low-pressure side, and the cooling water of low-pressure side is used for work plane is lowered the temperature;
The on high-tension side ice slurry of c, high-low pressure heat exchanger through with the low-pressure side heat exchange after become water, and be delivered to cyclic water tank in the ice slurry preparation facilities through return pipe, after water in the cold water storage cistern mixes, under the water pump effect, enter and ice that to starch refrigeration machine recycling once more.
Among the present invention, the cold water refrigeration machine comprises refrigeration host computer, cooling tower, cooling water pump, chilled water pump, and this cold water refrigeration machine cools off backwater about 17 degrees centigrade in the return pipe and reaches about 5 degrees centigrade and be stored in the cold water storage cistern; Ice slurry refrigeration machine comprises refrigeration host computer outer tube, cooling tower, cooling water pump, after ice slurry refrigeration machine extracts cold, and by subcooler water cooling is reached supercooled state; The high-low pressure heat exchanger can be shell, and the ice slurry flows outside pipe, and the down-hole cooling water is motion in pipe, and the ice slurry carries out heat exchange with the down-hole cooling water, and the down-hole cooling water is reduced to 2 degrees centigrade by 19 degrees centigrade; The work plane cooler can be fan coil, and the cooling water in the pipe cools off air with managing outer air heat exchange, to reduce downhole temperature, improves working environment; Among the present invention, all be provided with the refrigerant circulation circuit of being made up of compressor, condenser, evaporimeter and restricting element in ice slurry refrigeration machine, subcooler, frozen water refrigeration machine, this is a prior art, does not remake too much narration.
Description of drawings
Fig. 1 is the structure chart of mine cooling of the present invention system;
Description of reference numerals:
1, high-low pressure heat exchanger, 2, the work plane cooler, 3, ice slurry carrier pipe, 4, return pipe, 5, high pressure ice slurry delivery pump, 6, the low pressure cooling water pipe, 7, cooling water pump, 8, the cold water refrigeration machine, 9, strainer, 10, ice slurry refrigeration machine, 11, short brilliant device, 12, ice slurry inspissator, 13, cold water storage cistern, 14, feed pipe, 15, delivery port, 16, ice mouth, 17, the ice stock pump, 18, subcooler, 19, water pump, 20, cyclic water tank.
The specific embodiment
As shown in Figure 1, a kind of mine cooling system, this cooling system includes ice slurry preparation facilities, high-low pressure heat exchanger 1, work plane cooler 2, ice slurry preparation facilities is communicated with the high-pressure side of high-low pressure heat exchanger 1 by ice slurry carrier pipe 3, return pipe 4, on return pipe 4, be provided with cold water refrigeration machine 8, on ice slurry carrier pipe 3, be provided with high pressure ice slurry delivery pump 5, work and cooler 2 are connected to form cooling line by the low-pressure side of low pressure cold outlet pipe 6 and high-low pressure heat exchanger 1, and are provided with down-hole cooling water pump 7 and strainer 9 on this cooling line.
Described ice slurry preparation facilities comprises ice slurry refrigeration machine 10, subcooler 18, short brilliant device 11, ice slurry inspissator 12, cold water storage cistern 13, cyclic water tank 20; Ice slurry refrigeration machine 10, subcooler 18, short brilliant device 11, ice slurry inspissator 12 are communicated with successively, between short brilliant device 11 and ice slurry inspissator 12, be provided with ice stock pump 17, the ice mouth 16 of ice slurry inspissator 12 is communicated with ice slurry carrier pipe 3, the delivery port 15 of ice slurry inspissator 12 is communicated with cold water storage cistern 13, and return pipe 4 is communicated with cyclic water tank 20; The water inlet end of subcooler 18 is communicated with cold water storage cistern 13, cyclic water tank by feed pipe 14, is provided with water pump 19 on feed pipe 14.
The used mine cooling method of the present invention comprises the steps: at least
(particularly this step comprises again: a1, water pump 19 are transported to cold water storage cistern 13, cyclic water tank 20 mixed water ice slurry refrigeration machine 10, subcooler 18 coolings and are made water formation supercooling state in the high-pressure side of the prepared ice slurry of a, ice slurry preparation facilities by the high-low pressure heat exchanger 1 of ice slurry carrier pipe 3 high-pressure delivery to the mine; A2, the short brilliant device 11 of ultrasonic wave are removed the supercooled state of subcooled water, and water is converted into liquid ice slurry; A3, ice stock pump 17 input to ice slurry inspissator 12 with liquid state ice slurry and concentrate, and the ice slurry after concentrating is delivered to ice slurry carrier pipe 3, and the water after concentrating is delivered to cold water storage cistern 13, and the water temperature of cold water storage cistern 13 is 0 degree centigrade);
B, high-low pressure heat exchanger 1 on high-tension side ice slurry carry out heat exchange with the cooling water of low-pressure side, and the cooling water of low-pressure side is used for work plane is lowered the temperature;
C, high-low pressure heat exchanger 1 on high-tension side ice slurry through with the low-pressure side heat exchange after become water, freeze after return pipe 4 is delivered in the cyclic water tank of icing in the slurry preparation facilities 20 through cold water refrigeration machine 8, the water temperature of this cyclic water tank 20 is 5 degrees centigrade, water in the cyclic water tank 20 mixes the back water temperature with water in the cold water storage cistern 13 be 0.5 degree centigrade, and it is recycling once more to enter ice slurry refrigeration machine 10 under water pump 19 effects.
Claims (6)
1, a kind of mine cooling system, it is characterized in that, this cooling system includes ice slurry preparation facilities, high-low pressure heat exchanger, work plane cooler, ice slurry preparation facilities is communicated with the high-pressure side of high-low pressure heat exchanger by ice slurry carrier pipe, return pipe, on ice slurry carrier pipe, be provided with high pressure ice slurry delivery pump, the work plane cooler is connected to form the cool cycles pipeline by the low-pressure side of low pressure cooling water pipe and high-low pressure heat exchanger, and is provided with the down-hole cooling water pump on this cooling line.
2, mine cooling system according to claim 1 is characterized in that, is provided with the cold water refrigeration machine on described return pipe.
3, mine cooling system according to claim 1 is characterized in that, is provided with strainer on described cooling line.
4, as mine cooling system as described in each in the claim 1 to 3, it is characterized in that described ice slurry preparation facilities comprises ice slurry refrigeration machine, subcooler, short brilliant device, ice slurry inspissator, cold water storage cistern, cyclic water tank; Ice slurry refrigeration machine, subcooler, short brilliant device, ice slurry inspissator are communicated with successively, between short brilliant device and ice slurry inspissator, be provided with the ice stock pump, the ice mouth of ice slurry inspissator is communicated with described ice slurry carrier pipe, and the delivery port of ice slurry inspissator is communicated with cold water storage cistern, and described return pipe is communicated with cyclic water tank; The water inlet end of subcooler is communicated with cold water storage cistern, cyclic water tank by feed pipe, is provided with water pump on feed pipe.
5, a kind of mine cooling method is characterized in that, this method comprises the steps: at least
The prepared ice slurry of a, ice slurry preparation facilities is by the high-pressure side of the high-low pressure heat exchanger of ice slurry carrier pipe high-pressure delivery to the mine;
B, the on high-tension side ice slurry of high-low pressure heat exchanger carry out heat exchange with the cooling water of low-pressure side, and the cooling water of low-pressure side is used for work plane is lowered the temperature;
The on high-tension side ice slurry of c, high-low pressure heat exchanger through with the low-pressure side heat exchange after become water, and be delivered to ice through return pipe and starch preparation facilities.
As mine cooling method as described in the claim 5, it is characterized in that 6, in aforementioned a step, the process of described ice slurry preparation facilities preparation ice slurry comprises the steps: at least
A1, water pump are transported to cold water storage cistern and the mixed water of cyclic water tank ice slurry refrigeration machine, subcooler cooling and are made water formation supercooling state;
A2, short brilliant device are removed the supercooled state of subcooled water, and water is converted into liquid ice slurry;
A3, ice stock pump input to ice slurry inspissator with liquid state ice slurry and concentrate, and the ice slurry after concentrating is delivered to ice slurry carrier pipe, and the water after concentrating is delivered to cold water storage cistern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101981729A CN101344009A (en) | 2008-08-29 | 2008-08-29 | Mine cooling-down system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101981729A CN101344009A (en) | 2008-08-29 | 2008-08-29 | Mine cooling-down system and method |
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| CN101344009A true CN101344009A (en) | 2009-01-14 |
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| CNA2008101981729A Pending CN101344009A (en) | 2008-08-29 | 2008-08-29 | Mine cooling-down system and method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949297A (en) * | 2010-09-29 | 2011-01-19 | 煤炭科学研究总院重庆研究院 | Air cooler for mining |
| CN102062506A (en) * | 2011-01-20 | 2011-05-18 | 广州鑫誉蓄能科技有限公司 | Ice slurry concentrating device and air conditioning system using same |
| CN102102528A (en) * | 2010-12-27 | 2011-06-22 | 中国科学院广州能源研究所 | Ice slurry mine air conditioning aboveground and underground combined temperature reduction system |
| CN102168574A (en) * | 2011-02-28 | 2011-08-31 | 武汉星田热环境控制技术有限公司 | Mine compressed air cooling system |
| 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 |
| CN102619551A (en) * | 2012-04-25 | 2012-08-01 | 中煤科工集团重庆研究院 | System and method for realizing long-time uniform cooling in mine high-temperature stope working face |
| CN102678157A (en) * | 2011-11-16 | 2012-09-19 | 韩雪峰 | Refrigeration cooling and dehumidification air conditioner |
| 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 |
| CN103216255A (en) * | 2013-04-22 | 2013-07-24 | 河南理工大学 | Compressed air cold conveying cooling system for mine and cooling method thereof |
| CN103912241A (en) * | 2014-04-10 | 2014-07-09 | 西安博深煤矿安全科技有限公司 | Refrigeration cooling system under mine |
-
2008
- 2008-08-29 CN CNA2008101981729A patent/CN101344009A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949297A (en) * | 2010-09-29 | 2011-01-19 | 煤炭科学研究总院重庆研究院 | Air cooler for mining |
| CN102102528A (en) * | 2010-12-27 | 2011-06-22 | 中国科学院广州能源研究所 | Ice slurry mine air conditioning aboveground and underground combined temperature reduction system |
| CN102062506A (en) * | 2011-01-20 | 2011-05-18 | 广州鑫誉蓄能科技有限公司 | Ice slurry concentrating device and air conditioning system using same |
| CN102168574A (en) * | 2011-02-28 | 2011-08-31 | 武汉星田热环境控制技术有限公司 | Mine compressed air cooling system |
| CN102678157A (en) * | 2011-11-16 | 2012-09-19 | 韩雪峰 | Refrigeration cooling and dehumidification air conditioner |
| 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 |
| CN102619551A (en) * | 2012-04-25 | 2012-08-01 | 中煤科工集团重庆研究院 | System and method for realizing long-time uniform cooling in mine high-temperature stope working face |
| 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 |
| CN103216255A (en) * | 2013-04-22 | 2013-07-24 | 河南理工大学 | Compressed air cold conveying cooling system for mine and cooling method thereof |
| CN103216255B (en) * | 2013-04-22 | 2015-03-11 | 河南理工大学 | Compressed air cold conveying cooling system for mine and cooling method thereof |
| CN103912241A (en) * | 2014-04-10 | 2014-07-09 | 西安博深煤矿安全科技有限公司 | Refrigeration cooling system under mine |
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Open date: 20090114 |