CN203130140U - Cooling and mine heat utilizing system for mine in winter - Google Patents
Cooling and mine heat utilizing system for mine in winter Download PDFInfo
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- CN203130140U CN203130140U CN 201320078173 CN201320078173U CN203130140U CN 203130140 U CN203130140 U CN 203130140U CN 201320078173 CN201320078173 CN 201320078173 CN 201320078173 U CN201320078173 U CN 201320078173U CN 203130140 U CN203130140 U CN 203130140U
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Abstract
The utility model relates to a cooling and mine heat utilizing system for a mine in winter. The system comprises a ground portion and an underground portion, wherein an air cooling machine of the ground portion is connected with a high-pressure cold water supply pipe and a ground cold water return pipe. The high-pressure cold water supply pipe is respectively connected with a water supply adjusting valve, a water inlet adjusting valve and a water chilling unit. The water chilling unit is connected with the high-pressure cold water supply pipe through a water outlet adjusting valve, and a ground water pump is connected with a shaft cold water supply pipe. An underground cold water supply pipe and a low-pressure cold water return pipe are connected with a heat exchanger for the mine of the underground portion. The heat exchanger for the mine is connected with a high-pressure combined air cooler through an underground cold water inlet pipe and an underground cold water return pipe. The heat exchanger for the mine is connected with the air cooling machine through the shaft cold water supply pipe and a shaft cold water return pipe. The air cooling machine is connected with a fan and a heat-preserving air pipe. When the system works and ground temperature is low enough, cold water about 5 DEG C is obtained, and cold air with temperature between 12 and 18 DEG C is manufactured through an underground water pump and the high-pressure combined air cooler for the mine and sent to a work place. When the ground temperature is not low enough, a natural cold source and the water chilling unit serve as a primary cold source and a secondary cold source respectively. Hot air with the temperature between 8 and 12 DEG C is manufactured through the air cooling machine and the fan and then used.
Description
Technical field
The utility model relates to a kind of mine cooling system, is specially mining cooling in winter and ore deposit heat utilization system.
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 mining depth of mine is in continuous increase, along with the continuous increase of the mining depth of mine, mine job site working environment is more and more warmmer, and the instant heating evil is more and more serious.There is the airflow temperature of many getting working faces 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.
Adopt dark big mine in the winter time heat evil problem still exist, and refrigeration unit is (cooling water temperature greater than 12.8 ℃ time refrigeration unit could start) that can't start in the winter time.If still with the refrigeration unit cooling, after refrigeration unit is started in the fall so, can not stop in the winter time, move, and realize that with refrigeration unit mine cooling wasted electric energy winter, also has certain realization difficulty always.
Winter, the temperature of northern area was very low, it is the natural cold source that need not expense, how to utilize this natural cold source to realize that mine cooling is the problem that needs solution, simultaneously when realizing mine cooling, colliery getting working face in winter used heat is extracted for building and pit shaft antifreeze, the comprehensive utilization that realizes natural cold source also is to need the problem that solves.
Summary of the invention
The purpose of this utility model is at above-mentioned present situation, aiming to provide a kind of employing cold wind in winter converts low-temperature cold water to mine is lowered the temperature, create the low-temperature working environment, used heat under the coal mine is extracted for the pit shaft in winter lower the temperature and the ore deposit heat utilization system mining winter antifreeze and constructure heating simultaneously.
The purpose of this utility model implementation is that mining cooling in winter and ore deposit heat utilization system are made up of above ground portion and down-hole part; The air cooling machine of above ground portion connects high-pressure cold water feed pipe, ground cold-water return pipe; High-pressure cold water feed pipe tap water supply control valve, water inlet control valve and handpiece Water Chilling Units; Handpiece Water Chilling Units connects the high-pressure cold water feed pipe by going out water regulating valve, connects pit shaft cold water feed pipe by the ground water pump again; Down-hole cold water inlet, low pressure cold water return pipe connect the mining heat exchanger of down-hole part; Mining heat exchanger connects the high pressure combined air colder by down-hole cold water inlet and down-hole water pump, low pressure cold water return pipe; Mining heat exchanger connects the air cooling machine by pit shaft cold-water return pipe, ground cold-water return pipe; The air cooling machine machine of giving a dinner for a visitor from afar, blower fan connects thermal insulation wind pipe.
When surface air temperature enough hangs down, close water-in and water-out control valve and handpiece Water Chilling Units, open the water supply control valve, blower fan suction cold wind, cold wind is by the heat of air cooling machine absorption ground cold-water return pipe, and the refrigerant that obtains about 3 ℃ is pumped into mining heat exchanger by the surface water, finishes the high pressure kind of refrigeration cycle; Heat in the low pressure cold water return pipe is absorbed the back refrigerant temperature by the down-hole heat exchanger and is reduced to about 5 ℃ and is pumped into the mining high-voltage combined air colder by down-hole water pump and obtains 12～18 ℃ of cold wind and deliver to the job site, the water that has absorbed heat is delivered to the down-hole heat exchanger by the low pressure cold water return pipe, the torrid zone is cooled off by natural cold source to above ground portion, form cool cycles.
If winter, surface air temperature was enough not low, natural cold source cools off as one-level, and the evaporimeter of handpiece Water Chilling Units cools off as secondary.
The heat that enters the air cooling machine refrigerant of above ground portion is delivered to the antifreeze heating that heapstead and Belt Passage are used for pit shaft, Belt Passage by blower fan, thermal insulation wind pipe, realizes the comprehensive utilization of used heat, can save a large amount of heat energy.
The utility model cost of investment is low, temperature reduction performance stable, good cooling effect.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
With reference to accompanying drawing, the utility model is by the dotted line among the figure, and namely the above ground portion and the down-hole part that are divided into of face of land line formed; The air cooling machine 1 of above ground portion connects high-pressure cold water feed pipe 4, ground cold-water return pipe 5.High-pressure cold water feed pipe 4 tap water supply control valves 14, water inlet control valve 15 and handpiece Water Chilling Units 17, handpiece Water Chilling Units connects high-pressure cold water feed pipe 4 by going out water regulating valve 16, connects pit shaft cold water feed pipe 7 by ground water pump 3 again; Down-hole cold water inlet 10, low pressure cold water return pipe 12 connect the mining heat exchanger 9 of down-hole part, and mining heat exchanger 9 connects high pressure combined air colder 11 by down-hole cold water inlet 10 and down-hole water pump 6, low pressure cold water return pipe 12.Mining heat exchanger 9 connects air cooling machine 1 by pit shaft cold-water return pipe 8, ground cold-water return pipe 5.Air cooling machine 1 machine 2 of giving a dinner for a visitor from afar, blower fan connects thermal insulation wind pipe 13.
The air cooling machine 1 of above ground portion is air cooler or high and cold cold air machine, and structure is finned or the light pipe formula.The mining heat exchanger 9 of down-hole part is mining high-low pressure cold-exchange or three-chamber heat exchanger.High pressure combined air colder 11 is the surface cooling cooler, and structure is finned or the light pipe formula.
During the utility model work, at surface air temperature enough under the low situation, close into water control valve 15, go out water regulating valve 16 and handpiece Water Chilling Units 17, open water supply control valve 14, blower fan 2 suction cold wind, cold wind is by air cooling machine 1, cold wind absorbs the heat of ground cold-water return pipe 5 in the air cooling machine, obtain the refrigerant about 3 ℃, this refrigerant is delivered to mining heat exchanger 9 by ground water pump 3, in mining heat exchanger, heat under the high pressure refrigerant absorption well in the pit shaft cold water feed pipe 7 in the low pressure cold water return pipe 12, temperature raises, and the refrigerant in this moment pit shaft cold-water return pipe 8 becomes high temperature refrigerant and returns ground and enter again in the air cooling machine by ground cold-water return pipe 5 and cool off, and finishes height, the low pressure kind of refrigeration cycle.In mining heat exchanger 9, heat in the low pressure cold water return pipe is siphoned away by high-pressure cold water, temperature reduces the down-hole cold water obtain about 5 ℃, delivers to work plane mining high-voltage combined air colder 11 by down-hole water pump 6 and down-hole cold water inlet 10, produce 12～18 ℃ of cold wind and deliver to the job site, reach the cooling purpose.Owing to absorbed through the heat in mining high-voltage combined air colder distinguished and admirable, the water temperature of coming out from mining high-voltage combined air colder 11 raises, be delivered to mining heat exchanger 9 by down-hole low pressure cold water return pipe 12, and heat is taken to the air cooling machine 1 of above ground portion, by the natural cold source cooling, form cool cycles.
If winter, surface air temperature was enough not low, natural cold source cools off as one-level by the air cooling machine 1 of above ground portion, the evaporimeter of handpiece Water Chilling Units 17 cools off as secondary, and handpiece Water Chilling Units is centrifugal unit, screw rod unit or the piston unit of lithium bromide absorption-type machine unit, driven by power type.Open water inlet control valve 15 this moment, go out water regulating valve 16, open handpiece Water Chilling Units 17, close water supply control valve 14 and can reach the cooling purpose.
The refrigerant temperature of air cooling machine 1 that enters above ground portion is higher, usually at 10-15 ℃, the cold wind temperature that extracts by blower fan 2 is usually subzero, be generally 8-12 ℃ through temperature behind the air cooling machine of above ground portion, the wind of this temperature can be directly delivered to the antifreeze heating that heapstead and Belt Passage are used for pit shaft, Belt Passage by thermal insulation wind pipe 13, realize the comprehensive utilization of used heat, can save a large amount of heat energy.
Claims (5)
1. mining cooling in winter and ore deposit heat utilization system is characterized in that being made up of above ground portion and down-hole part; The air cooling machine of above ground portion connects high-pressure cold water feed pipe, ground cold-water return pipe; High-pressure cold water feed pipe tap water supply control valve, water inlet control valve and handpiece Water Chilling Units; Handpiece Water Chilling Units connects the high-pressure cold water feed pipe by going out water regulating valve, connects pit shaft cold water feed pipe by the ground water pump again; Down-hole cold water inlet, low pressure cold water return pipe connect the mining heat exchanger of down-hole part; Mining heat exchanger connects the high pressure combined air colder by down-hole cold water inlet and down-hole water pump, low pressure cold water return pipe; Mining heat exchanger connects the air cooling machine by pit shaft cold-water return pipe, ground cold-water return pipe; The air cooling machine machine of giving a dinner for a visitor from afar, blower fan connects thermal insulation wind pipe.
2. mining cooling in winter according to claim 1 and ore deposit heat utilization system is characterized in that the air cooling machine (1) of above ground portion is air cooler or high and cold cold air machine, and structure is finned or the light pipe formula.
3. lower the temperature and the ore deposit heat utilization system mining winter according to claim 1, the mining heat exchanger (9) that it is characterized in that the down-hole part is mining high-low pressure cold-exchange or three-chamber heat exchanger.
4. mining cooling in winter according to claim 1 and ore deposit heat utilization system is characterized in that handpiece Water Chilling Units (17) is centrifugal unit, screw rod unit or the piston unit of lithium bromide absorption-type machine unit, driven by power type.
5. mining cooling in winter according to claim 1 and ore deposit heat utilization system is characterized in that high pressure combined air colder (11) is the surface cooling cooler, and structure is finned or the light pipe formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320078173 CN203130140U (en) | 2013-02-20 | 2013-02-20 | Cooling and mine heat utilizing system for mine in winter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320078173 CN203130140U (en) | 2013-02-20 | 2013-02-20 | Cooling and mine heat utilizing system for mine in winter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130140U true CN203130140U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320078173 Expired - Fee Related CN203130140U (en) | 2013-02-20 | 2013-02-20 | Cooling and mine heat utilizing system for mine in winter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147783A (en) * | 2013-02-20 | 2013-06-12 | 武汉星田热环境控制技术有限公司 | Mining winter cooling and mine heat utilization system |
| CN113432371A (en) * | 2021-07-08 | 2021-09-24 | 中亘节能科技有限公司 | Whole vehicle thermal management system and method for shield machine |
-
2013
- 2013-02-20 CN CN 201320078173 patent/CN203130140U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147783A (en) * | 2013-02-20 | 2013-06-12 | 武汉星田热环境控制技术有限公司 | Mining winter cooling and mine heat utilization system |
| CN113432371A (en) * | 2021-07-08 | 2021-09-24 | 中亘节能科技有限公司 | Whole vehicle thermal management system and method for shield machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20160220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |