CN104213931A - Ventilation cooling and residual heat utilization system of mine shaft - Google Patents
Ventilation cooling and residual heat utilization system of mine shaft Download PDFInfo
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- CN104213931A CN104213931A CN201410476071.9A CN201410476071A CN104213931A CN 104213931 A CN104213931 A CN 104213931A CN 201410476071 A CN201410476071 A CN 201410476071A CN 104213931 A CN104213931 A CN 104213931A
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Abstract
The invention provides a ventilation cooling and residual heat utilization system of a mine shaft. The ventilation cooling and residual heat utilization system comprises a heapstead arranged on the outer side of a shaft opening; a plurality of air heat exchangers are mounted on the side wall of the heapstead; one end of a refrigeration heat pump set arranged in a machine room is connected with the air heat exchanger through cold and hot medium water circulating pipelines; the other end of the refrigeration heat pump set is connected with a cooling tower arranged on the machine room through a cooling tower water circulating pipeline; the refrigeration heat pump set is connected with a mine shaft water tank through a mine shaft water circulating pipeline. Cooled and dehumidified cold air is input into the mine shaft in summer so that the temperature in the shaft can be effectively reduced and the humidity in the shaft can be effectively reduced; the whole humid and hot environment of the shaft opening and in the shaft is improved so that comprehensive cooling and dehumidification is realized, but not only the cooling and dehumidification of a partial working surface is realized; the whole environment of underground work of miners is improved and the working efficiency of the miners is improved; the safety production of coal is guaranteed and the aim of cooling and dehumidifying in the shaft is realized; the residual heat of mine shaft water with high temperature can be recycled in winter and is used for insulating the shaft opening, so that the aims of energy conservation and loss reduction are realized.
Description
Technical field:
The present invention relates to a kind of mine ventilation cooling and bootstrap system.
Background technology:
Along with the expansion of coal resources in China limit of mining and the increase of mining rate, the coal mining degree of depth constantly increases, and the colliery heat causing because of mining depth increase does harm to the attention that more and more causes Government and enterprise.Underground thermal pollution has a strong impact on the safety in production in colliery, seriously affects the healthy and life security of underground operators, makes underground operators physical stamina letdown, and operating efficiency reduces, and affects the economic benefit in mine.Current underground thermal pollution is administered main down-hole or the aboveground centralized cold water falling temperature technique of adopting, by concentrated setting in down-hole or aboveground refrigeration unit output chilled water, through circulating water pump, deliver to the air cooler of coal-face, by the interchange of heat of air cooler, reach the object of local cooling.Meanwhile, cooling tower is set on the ground, in order to the condensation heat that under drainage well, refrigeration produces.But above-mentioned technology only realizes the part refrigeration of work plane, and Dui Zhu lane and dynamo-electric chamber etc. are without refrigeration, and wet down weak effect.Meanwhile, with the continuous extension of face length, local refrigeration decay significantly.In addition, the full import of its critical component, invests highly, and system maintenance maintenance difficulty is large, expense is high.
Summary of the invention:
The present invention is in order to make up the deficiencies in the prior art, a kind of mine ventilation cooling and bootstrap system are provided, its reasonable in design, in summer, by the cold wind of crossing to down-hole input reducing temperature and humidity, not only can effectively reduce downhole temperature, can also effectively reduce down-hole humidity, improve the damp and hot integrated environment in well head and down-hole, realize comprehensive reducing temperature and humidity but not only realize the reducing temperature and humidity of local work plane, improve miner's underground work integrated environment, improve miner's operating efficiency, guarantee the safety in production in colliery, reach the object that makes downhole cooling wet down, in the winter time, a kind of mine ventilation cooling of the present invention and bootstrap system can be incubated for well head by the waste heat of the high mine water of recovered temperature, realize energy-saving and cost-reducing object, in addition, because this system equipment is all placed in ground, do not need underground equipment dustproof, fire prevention and the specific (special) requirements such as explosion-proof, projects investment cost reduces greatly, and operation maintenance is convenient, the trouble of release maintenance of underground and unfavorable, problems of the prior art have been solved.
The present invention solves the problems of the technologies described above adopted technical scheme to be:
A kind of mine ventilation cooling and bootstrap system, comprise the heapstead that is positioned at well head outside, several air heat exchangers are installed on the sidewall of heapstead, the refrigerating heat pump unit one end that is positioned at machine room is connected by cold and hot matchmaker's water circulation pipe with air heat exchanger, the other end is connected with the cooling tower being positioned on machine room by cooling tower water circulation line, and refrigerating heat pump unit is also connected with mine pond by mine water circulation line.
Import and outlet outside in heapstead are respectively equipped with an import parking passage and an outlet parking passage along turnover Car Track direction, inside import parking passage, two ends are respectively equipped with the automatic external door of import and import automatic internal door, inside outlet parking passage, two ends are respectively equipped with outlet automatic internal door and the automatic external door of outlet, at the close automatic external door of import, import automatic internal door, on the ground of outlet automatic internal door and the automatic external door entry side of outlet, be respectively equipped with photoelectric sensor, each photoelectric sensor, the automatic external door of import, import automatic internal door, outlet automatic internal door and export automatic external door all be located at heapstead in automatic control cabinet be connected.
At the automatic external door of import, import automatic internal door, export automatic internal door and export on the turnover Car Track between the photoelectric sensor that automatic external door is corresponding with its entry side and be respectively equipped with a car arrester, car arrester is connected with automatic control cabinet.
The both sides of import parking passage and outlet parking passage are respectively equipped with fire-proof asbestos sandwich color steel plate.
Described air heat exchanger is unpowered heat exchanger, comprise an Al alloy thermal insulation seal frame, outside at Al alloy thermal insulation seal frame is provided with screen pack, inner side is provided with shutter, in Al alloy thermal insulation seal frame between screen pack and shutter, be provided with some layers coil pipe group setting up and down, described coil pipe group comprises some row copper tube coils, outer surface at copper tube coil is provided with hydrophilic aluminium foil fin, in the bottom of each coil pipe group, be equipped with a water accumulating disc, each water accumulating disc is connected with the external world by a condensed water water pipe.
Described cooling tower is closed cooling tower.
The present invention adopts such scheme, reasonable in design, during summer, air heat exchanger carries out reducing temperature and humidity processing to outdoor air, then the negative pressure producing by original mine ventilation system is sent the air after processing into well head and each tunnel, down-hole, effectively improve the damp and hot integrated environment in well head and down-hole, realize comprehensive reducing temperature and humidity.A kind of mine ventilation cooling of the present invention and bootstrap system reducing temperature and humidity effect are remarkable, can effectively improve miner's underground work integrated environment, improve miner's operating efficiency, guarantee the safety in production in colliery.During winter, air heat exchanger is to outdoor air heat treated, then the negative pressure producing by original mine ventilation system is sent into the air after processing in heapstead, guarantee that wellhead temperature is not less than 2 ℃, realize the object of the anti-freezing and heat-insulating of well head, well head is incubated required heat and extracts from mine water by refrigerating heat pump unit, effectively utilize the waste heat of mine water, realize energy-saving and cost-reducing object, in addition, because this system equipment is all placed in ground, do not need underground equipment dustproof, fire prevention and the specific (special) requirements such as explosion-proof, projects investment cost reduces greatly, and operation maintenance is convenient, avoid the trouble of maintenance of underground and unfavorable.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of heapstead in the present invention.
Fig. 3 is the structural representation of air heat exchanger in the present invention.
Fig. 4 is the left TV structure schematic diagram of Fig. 3.
In figure, 1, heapstead, 2, air heat exchanger, 3, refrigerating heat pump unit, 4, cold and hot matchmaker's water circulation pipe, 5, cooling tower water circulation line, 6, cooling tower, 7, mine water circulation line, 8, mine pond, 9, turnover Car Track, 10, import parking passage, 11, outlet parking passage, 12, the automatic external door of import, 13, import automatic internal door, 14, outlet automatic internal door, 15, export automatic external door, 16, photoelectric sensor, 17, automatic control cabinet, 18, Al alloy thermal insulation seal frame, 19, screen pack, 20, shutter, 21, coil pipe group, 22, water accumulating disc, 23, condensed water water pipe, 24, car arrester.
The specific embodiment:
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, and in conjunction with its accompanying drawing, the present invention will be described in detail.
As Figure 1-4, a kind of mine ventilation cooling and bootstrap system, comprise the heapstead 1 that is positioned at well head outside, several air heat exchangers 2 are installed on the sidewall of heapstead 1, refrigerating heat pump unit 3 one end that are positioned at machine room are connected by cold and hot matchmaker's water circulation pipe 4 with air heat exchanger 2, the other end is connected with the cooling tower 6 being positioned on machine room by cooling tower water circulation line 5, and refrigerating heat pump unit 3 is also connected with mine pond 8 by mine water circulation line 7.
In heapstead, 1 import and outlet outside are respectively equipped with an import parking path 10 and an outlet parking passage 11 along turnover Car Track 9 directions, inside import parking path 10, two ends are respectively equipped with the automatic external door 12 of import and import automatic internal door 13, at outlet parking passage 11 two ends, inner side, be respectively equipped with outlet automatic internal door 14 and the automatic external door 15 of outlet, at the close automatic external door 12 of import, import automatic internal door 13, on the ground of outlet automatic internal door 14 and automatic external door 15 entry sides of outlet, be respectively equipped with photoelectric sensor 16, each photoelectric sensor 16, the automatic external door 12 of import, import automatic internal door 13, outlet automatic internal door 14 and export automatic external door 15 all be located at heapstead 1 in automatic control cabinet 17 be connected.
At the automatic external door 12 of import, import automatic internal door 13, outlet automatic internal door 14 with export on the turnover Car Track 9 between the photoelectric sensor 16 that automatic external door 15 is corresponding with its entry side and be respectively equipped with a car arrester 24, car arrester 24 is connected with automatic control cabinet 17.Car arrester 24 can prevent from clashing into lose control of one's vehicle automatic door, improves automatic control security object.
The both sides of import parking path 10 and outlet parking passage 11 are respectively equipped with fire-proof asbestos sandwich color steel plate, import parking path 10 and outlet parking passage 11 better can be sealed.
Described air heat exchanger is unpowered heat exchanger, comprise an Al alloy thermal insulation seal frame 18, in the outside of Al alloy thermal insulation seal frame 18, be provided with screen pack 19, inner side is provided with shutter 20, in Al alloy thermal insulation seal frame 18 between screen pack 19 and shutter 20, be provided with some layers coil pipe group 21 setting up and down, described coil pipe group 21 comprises some row copper tube coils, outer surface at copper tube coil is provided with hydrophilic aluminium foil fin, in the bottom of each coil pipe group 21, be equipped with a water accumulating disc 22, each water accumulating disc 22 is connected with the external world by a condensed water water pipe 23.Described non-power air heat exchanger does not arrange blower fan, utilize original mine ventilation system just the outdoor air after processing can be sent into down-hole, reach administer summer heat evil and winter well head heat-preserving anti-freezing object, the noise that uses non-power air heat exchanger not have driven by power to cause, energy-saving effect is obvious, there is good economic and social benefit, and unpowered heat exchanger surrounding is by 18 sealings of Al alloy thermal insulation seal frame, reduced air leak rate of air curtain, so effectively increased the heat exchange amount of air, and by being set, screen pack 19 can effectively isolate dust, prevent dirty the blocking up of fin and affect heat exchange, hydrophilic aluminium foil fin drains condensed water and can not be attached to fin surface to affect heat transfer effect in time.
Described cooling tower 6 is closed cooling tower, and closed cooling tower daily management is convenient, without often maintenance downtime maintenance, stable and safe in operation.
During summer, outside air be arranged at air heat exchanger 2 heat exchange on 1 sidewall of heapstead, chilled water in air heat exchanger 2 is drawn airborne heat to the outdoor air processing of lowering the temperature, and the chilled water after draw heat is back in refrigerating heat pump unit 3 through cold and hot matchmaker's water circulation pipe 4.The chilled water of cooling tower 6 outputs flows in refrigerating heat pump unit 3 through cooling tower water circulation line 5, chilled water is drawn the heat that is back to the chilled water in refrigerating heat pump unit 3, chilled water is lowered the temperature, chilled water after draw heat is back to by cooling tower water circulation line 5 that cooling tower 6 is interior to be discharged into heat in atmosphere, and the chilled water after cooling flow in air heat exchanger 2 again and circulates next time.Air after air heat exchanger 2 cooling processing enters in heapstead 1, then the negative pressure of utilizing original mine ventilation system to produce will all be processed rear air and send into each airway, down-hole, effectively improve the damp and hot integrated environment in well head and down-hole, realize comprehensive reducing temperature and humidity, reach and make downhole cooling administer the object of heat evil.
During winter, outside air be arranged at air heat exchanger 2 heat exchange on 1 sidewall of heapstead, heat medium water in air heat exchanger 2 carries out heat treated to outdoor air, and the heat medium water that transfers heat to air is back in refrigerating heat pump unit 3 through cold and hot matchmaker's water circulation pipe 4.The mine water of high temperature flows in refrigerating heat pump unit 3 through mine water circulation line 7, mine water heating is back to the heat medium water in refrigerating heat pump unit 3, mine water by thermal release to heat medium water is back in mine pond 8 by mine water circulation line 7, and the heat medium water after heating flow in air heat exchanger 2 again and circulates next time.Under the negative pressure that air after air heat exchanger 2 heat treated produces in original mine ventilation system, send in heapstead 1, guarantee that wellhead temperature is not less than 2 ℃, the anti-freezing and heat-insulating of realization to well head, well head is incubated required heat and extracts from mine water by refrigerating heat pump unit 3, realizes energy-saving and cost-reducing object.
Mine ventilation cooling of the present invention and bootstrap system for make summer downhole cooling wet down effect and winter well head better heat preservation, processing is sealed in heapstead 1, in heapstead, 1 inlet and outlet respectively arranges twice automatic door, heapstead 1 is not when personnel or vehicle pass in and out, and automatic door is closed the sealing that can guarantee that heapstead is absolute.When personnel or goods and materials turnover, also can effectively block the unprocessed heapstead 1 that directly enters of outdoor air, control air leak rate of air curtain, specific implementation process is as follows: when vehicle enters heapstead 1, when vehicle arrives the photoelectric sensor 16 of automatic external door 12 entry sides of import, photoelectric sensor 16 sends a signal to automatic control cabinet 17, automatic control cabinet 17 is controlled the automatic external door 12 of import and is opened, then the car arrester 24 of automatic external door 12 entry sides of import is opened, allow vehicle to enter import parking path 10, the car arrester 24 of automatic external door 12 entry sides of import subsequently cuts out, then automatic external door 12 quick closedowns of import, now import automatic internal door 13 is in closed condition, while having avoided the automatic external door 12 of import to open, outdoor air enters in heapstead 1.Vehicle continues to move ahead, when vehicle arrives the photoelectric sensor 16 of import automatic internal door 13 entry sides, photoelectric sensor 16 sends a signal to automatic control cabinet 17, automatic control cabinet 17 is controlled import automatic internal door 13 and is opened, then controlling the car arrester 24 of import automatic internal door 13 entry sides opens, allow vehicle to enter 1 inside, heapstead by import parking path 10, the car arrester 24 of import automatic internal door 13 entry sides cuts out subsequently, then import automatic internal door 13 quick closedowns.When vehicle goes out heapstead 1, when vehicle arrives the photoelectric sensor 16 of outlet automatic internal door 14 entry sides, photoelectric sensor 16 sends a signal to automatic control cabinet 17, automatic control cabinet 17 is controlled outlet automatic internal door 14 and is opened, then controlling the car arrester 24 of outlet automatic internal door 14 entry sides opens, allow vehicle to enter outlet parking passage 11, the car arrester 24 that exports subsequently automatic internal door 14 entry sides cuts out, then export automatic internal door 14 quick closedowns, now, export automatic external door 15 in closed condition.Vehicle continues to move ahead, when vehicle arrives the photoelectric sensor 16 of automatic external door 15 entry sides of outlet, photoelectric sensor 16 sends a signal to automatic control cabinet 17, automatic control cabinet 17 is controlled the automatic external door 16 of outlet and is opened, then the car arrester 24 that exports automatic external door 16 entry sides is opened, vehicle rolls the car arrester 24 of automatic external door 15 entry sides of outlet parking passage 11 rear outlet away from and cuts out, and then exports automatic external door 15 quick closedowns.In the 1 body process of personnel's vehicles while passing heapstead, when front road automatic door is opened, its corresponding Hou road automatic door keeps closing, when avoiding two sects, open, effectively prevent that outdoor air from infiltrating, realize the good sealing in heapstead 1, control air leak rate of air curtain in 10%.By the sealing of heapstead 1 is processed, the present invention has realized full blast amount and has processed, after the whole air quantity that guarantee to enter heapstead and down-hole are all processed by heat exchanger, make summer downhole cooling wet down effect and winter well head better heat preservation.
The present invention does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (6)
1. a mine ventilation cooling and bootstrap system, it is characterized in that: comprise the heapstead that is positioned at well head outside, several air heat exchangers are installed on the sidewall of heapstead, the refrigerating heat pump unit one end that is positioned at machine room is connected by cold and hot matchmaker's water circulation pipe with air heat exchanger, the other end is connected with the cooling tower being positioned on machine room by cooling tower water circulation line, and refrigerating heat pump unit is also connected with mine pond by mine water circulation line.
2. a kind of mine ventilation cooling according to claim 1 and bootstrap system, it is characterized in that: import and outlet outside in heapstead are respectively equipped with an import parking passage and an outlet parking passage along turnover Car Track direction, inside import parking passage, two ends are respectively equipped with the automatic external door of import and import automatic internal door, inside outlet parking passage, two ends are respectively equipped with outlet automatic internal door and the automatic external door of outlet, at the close automatic external door of import, import automatic internal door, on the ground of outlet automatic internal door and the automatic external door entry side of outlet, be respectively equipped with photoelectric sensor, each photoelectric sensor, the automatic external door of import, import automatic internal door, outlet automatic internal door and export automatic external door all be located at heapstead in automatic control cabinet be connected.
3. a kind of mine ventilation cooling according to claim 2 and bootstrap system, it is characterized in that: at the automatic external door of import, import automatic internal door, export automatic internal door and export on the turnover Car Track between the photoelectric sensor that automatic external door is corresponding with its entry side and be respectively equipped with a car arrester, car arrester is connected with automatic control cabinet.
4. a kind of mine ventilation cooling according to claim 2 and bootstrap system, is characterized in that: the both sides of import parking passage and outlet parking passage are respectively equipped with fire-proof asbestos sandwich color steel plate.
5. a kind of mine ventilation cooling according to claim 1 and bootstrap system, it is characterized in that: described air heat exchanger is unpowered heat exchanger, comprise an Al alloy thermal insulation seal frame, outside at Al alloy thermal insulation seal frame is provided with screen pack, inner side is provided with shutter, in Al alloy thermal insulation seal frame between screen pack and shutter, be provided with some layers coil pipe group setting up and down, described coil pipe group comprises some row copper tube coils, outer surface at copper tube coil is provided with hydrophilic aluminium foil fin, in the bottom of each coil pipe group, be equipped with a water accumulating disc, each water accumulating disc is connected with the external world by a condensed water water pipe.
6. a kind of mine ventilation cooling according to claim 1 and bootstrap system, is characterized in that: described cooling tower is closed cooling tower.
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| CN201410476071.9A CN104213931B (en) | 2014-09-17 | 2014-09-17 | A kind of mine ventilation cooling and bootstrap system |
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| CN201410476071.9A CN104213931B (en) | 2014-09-17 | 2014-09-17 | A kind of mine ventilation cooling and bootstrap system |
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| CN104213931B CN104213931B (en) | 2016-03-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104500126A (en) * | 2015-01-06 | 2015-04-08 | 济南国海能源科技有限公司 | Comprehensive mine cooling device |
| CN105909297A (en) * | 2016-06-06 | 2016-08-31 | 何满潮 | Anti-freezing system and method for well mouth of auxiliary well of mine |
| CN107299840A (en) * | 2017-08-14 | 2017-10-27 | 中环智创（北京）科技有限公司 | The integrated system of mine cooling and heat energy utilization |
| CN109252887A (en) * | 2018-11-07 | 2019-01-22 | 江南大学 | A kind of design method of mining unpowered heat-exchange system |
| CN110397465A (en) * | 2019-06-28 | 2019-11-01 | 江南大学 | A kind of coal working face full blast amount cooling system and method |
| CN110578951A (en) * | 2019-08-29 | 2019-12-17 | 龙口矿业集团有限公司 | deep well heat energy comprehensive utilization system |
| CN112696825A (en) * | 2019-10-22 | 2021-04-23 | 太原理工大学 | Mine well head protector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109252887A (en) * | 2018-11-07 | 2019-01-22 | 江南大学 | A kind of design method of mining unpowered heat-exchange system |
| CN110397465A (en) * | 2019-06-28 | 2019-11-01 | 江南大学 | A kind of coal working face full blast amount cooling system and method |
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| CN110578951A (en) * | 2019-08-29 | 2019-12-17 | 龙口矿业集团有限公司 | deep well heat energy comprehensive utilization system |
| CN112696825A (en) * | 2019-10-22 | 2021-04-23 | 太原理工大学 | Mine well head protector |
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| CN104213931B (en) | 2016-03-23 |
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