CN102733840B - Mine underground cooling and waste heat recycling system - Google Patents
Mine underground cooling and waste heat recycling system Download PDFInfo
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- CN102733840B CN102733840B CN201210241562.6A CN201210241562A CN102733840B CN 102733840 B CN102733840 B CN 102733840B CN 201210241562 A CN201210241562 A CN 201210241562A CN 102733840 B CN102733840 B CN 102733840B
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Abstract
The invention relates to a mine underground cooling and waste heat recycling system, comprising an air cooler unit, a cooling set unit, a heat pump set unit and a user equipment unit, and a mine return air heat pump system or a cooling tower. According to specific implementation requirements, different combined connections are used for forming multiple heat exchange circulation loops, by the multiple heat exchange circulation loops, the underground high-temperature waste heat is recycled and provided for corresponding user equipment, so that the mine underground cooling is realized, and the requirement on heat usage for production and living of the coal mine is satisfied. The mine underground cooling and waste heat recycling system can be widely used in the mine underground cooling and waste heat recycling process.
Description
Technical field
The present invention relates to a kind of cooling and heat energy recycling system, particularly about a kind of down-hole cooling and waste heat recycling system.
Background technology
Along with dark day by day increasing and the improving constantly of Mechanion degree adopted by mine, mine High Temperature in Deep Mine evil has become one of significant problem that restriction safety of coal mines exploits.It not only affects the operating efficiency of down-hole employee, causes profit or loss of operation, but also can have a strong impact on the healthy of employee and life security.At present, the measure of mine cooling mainly contains unartificial refrigeration cool-down and artificial cooling lowers the temperature two kinds.Wherein, unartificial refrigeration cool-down is usually to utilize or to increase the form realization of ventilation, and this mode has been difficult to the demand meeting mine cooling now; Artificial cooling cooling then needs to consume greater energy consumption to provide cooling load, and economic benefit is low, and does not meet the requirement of energy-saving and emission-reduction.In addition, mine cooling heat extraction also needs by mine return air, mine drainage or arranges the means realizations such as cooling tower on ground, and some heat requirements are just directly discharged in environment through utilizing, and cause the waste of a part of heat energy, efficiency is not high.
Summary of the invention
For the problems referred to above, the object of this invention is to provide one can utilize down-hole heat sources in conjunction with the high efficiente callback of mine existing equipment, for the down-hole cooling and waste heat recycling system providing heat energy is produced in colliery life.
For achieving the above object, the present invention takes following technical scheme: a kind of down-hole cooling and waste heat recycling system, it is characterized in that: it comprises the air cooler unit, cooling train unit and the gas-liquid heat exchanger unit that are arranged on down-hole, and is arranged on the aboveground mine return air heat pump of mine; Cooling train unit comprises evaporimeter, condenser, compressor and expansion valve; Air cooler unit comprises more than one air cooler, refrigerating medium is filled in the heat exchange pipeline of each air cooler, each heat exchange pipeline is connected in parallel on the main line that is connected with train unit evaporator shell of lowering the temperature, forms refrigerating medium closed circuit, arranges circulation pump in refrigerating medium closed circuit; In cooling train unit, cold-producing medium is filled in the heat exchange pipeline of evaporimeter, and its two ends are connected the housing of condenser by a cold-producing medium output channel with a defeated return pipe road of cold-producing medium, compressor is arranged on cold-producing medium output channel, expansion valve is arranged on the defeated return pipe road of cold-producing medium, forms refrigerant circulation loop; Gas-liquid heat-exchange unit is arranged on mine return air lane, cooling medium is filled in its heat exchange pipeline, the two ends of the heat exchange pipeline of gas-liquid heat-exchange unit connect the two ends of the heat exchange pipeline of cooling train unit condenser, form cooling medium closed circuit, arrange circulation pump in cooling medium closed circuit; Mine return air heat pump comprises the retention tower being arranged on air outlet place, mine return air lane, by the heat recovery in the mine return air of discharging from mine return air lane and pass to user use.
Above-mentioned mine return air heat pump is mine return air source heat pump system, it also includes the return-air heat exchanger being arranged on retention tower air outlet top, be arranged on the collection chamber of retention tower bottom, with the collecting-tank of return-air heat exchanger and collection chamber pipeline communication, form the source pump unit of low-temperature heat source closed circuit with collecting-tank and form the user equipment unit in user's heating cycle loop with source pump unit, source pump unit comprises evaporimeter, condenser, compressor and expansion valve.
Above-mentioned mine return air heat pump is direct expansion type mine return air source heat pump system, it also includes the external gas-liquid heat exchanger being arranged on retention tower air outlet top, form the source pump unit of low-temperature heat source closed circuit with external gas-liquid heat exchanger and form the user equipment unit in user's heating cycle loop with source pump unit, source pump unit comprises compressor, built-in gas-liquid heat exchanger and expansion valve.
A kind of down-hole cooling and waste heat recycling system, is characterized in that: it is the multiple recuperated cycle loop be made up of air cooler unit, high-low pressure heat exchanger unit, cooling train unit, cooling tower, source pump unit and user equipment unit; Air cooler unit comprises more than one air cooler, fills refrigerating medium in the heat exchange pipeline of each air cooler; Evaporimeter, condenser, compressor and expansion valve is included in cooling train unit and source pump unit; Cold-producing medium is filled in the heat exchange pipeline of each evaporimeter, and its two ends are by the housing of condenser in a cold-producing medium output channel and connection place, a cold-producing medium defeated return pipe road train unit, each cold-producing medium output channel arranges a compressor, defeated return pipe road arranges an expansion valve with each cold-producing medium, forms refrigerant circulation loop; User equipment unit two ends connect the two ends in source pump unit condenser heat-exchange pipes road by pipeline, form user's heating cycle loop.
Above-mentioned air cooler unit, high-low pressure heat exchanger unit and cooling train unit are arranged on down-hole, and it is aboveground that cooling tower, source pump unit and user equipment unit are arranged on mine; The heat exchange pipeline of each air cooler is connected in parallel on the main line that is connected with train unit evaporator shell of lowering the temperature, forms refrigerating medium closed circuit, arranges circulation pump in refrigerating medium closed circuit; Be filled with cooling medium in the heat exchange pipeline of cooling train unit condenser, and two ends connect the input/output terminal of high-low pressure heat exchanger unit low-pressure side, form a cooling medium closed circuit, arrange circulation pump in a cooling medium closed circuit; The high-pressure side of high-low pressure heat exchanger unit is provided with two ports in parallel: a pair port connects the input/output terminal of cooling tower by pipeline, form cooling twice medium circulating circuit, cooling twice medium circulating circuit arranges circulation pump; Another connects the housing of source pump unit evaporimeter by pipeline to port, form low-temperature heat source closed circuit, low-temperature heat source closed circuit arranges circulation pump.
Above-mentioned air cooler unit and high-low pressure heat exchanger unit are arranged on down-hole, and it is aboveground that cooling train unit, cooling tower, source pump unit and user equipment unit are arranged on mine; The heat exchange pipeline of each air cooler is connected in parallel the input/output terminal of high-low pressure heat exchanger unit low-pressure side, forms a refrigerating medium closed circuit, arranges circulation pump in a refrigerating medium closed circuit; The on high-tension side input/output terminal of high-low pressure heat exchanger unit connects the housing of cooling train unit evaporimeter by pipeline, forms secondary refrigerating medium closed circuit, arranges circulation pump in secondary refrigerating medium closed circuit; Fill cooling medium in the heat exchange pipeline of cooling train unit condenser, and two ends arrange two ports in parallel: a pair port connects the input/output terminal of cooling tower by pipeline, form cooling medium closed circuit, arrange circulation pump in cooling medium closed circuit; Another connects the housing of source pump unit evaporimeter by pipeline to port, form low-temperature heat source closed circuit, arrange circulation pump in low-temperature heat source closed circuit.
The present invention is owing to adopting technique scheme, have the following advantages: 1, the present invention is by air cooler unit, cooling train unit, source pump unit and user equipment unit, in conjunction with mine existing equipment mine return air heat pump or cooling tower, form multiple recuperated cycle loop, thus the heat of high temperature heat source release under recovery well, be supplied to corresponding subscriber equipment to use, both the object of mine cooling had been achieved, what can meet again colliery life production uses heat demand, there are energy-saving and emission-reduction, economic benefit and the high advantage of environmental benefit.2, each component units of the present invention can combine in different ways according to urban d evelopment, flexibly various informative, and can in conjunction with mine existing equipment as already installed direct expansion type mine return air heat pumping system adjusts, difficulty of construction and installation cost lower.The present invention can be widely used in down-hole cooling and waste heat recovery process.
Accompanying drawing explanation
Fig. 1 is the system composition structural representation of the embodiment of the present invention one;
Fig. 2 is the system composition structural representation of the embodiment of the present invention two;
Fig. 3 is the system composition structural representation of the embodiment of the present invention three;
Fig. 4 is the system composition structural representation of the embodiment of the present invention four.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, based on the down-hole cooling of mine return air heat pump and two embodiments of waste heat recycling system, comprise the air cooler unit 1, cooling train unit 2 and the gas-liquid heat exchanger unit 3 that are arranged on down-hole, and be arranged on the aboveground mine return air heat pump 4 of mine.Wherein, train unit 2 of lowering the temperature comprises evaporimeter 21, condenser 22, compressor 23 and expansion valve 24.
Air cooler unit 1 can be arranged in the stope of down-hole, driving face and dynamo-electric chamber, it comprises more than one air cooler 11, the refrigerating medium such as water or hexylene glycol is filled in the heat exchange pipeline of each air cooler 11, each heat exchange pipeline is connected in parallel on the main line that is connected with train unit 2 evaporimeter 21 housing of lowering the temperature, form refrigerating medium closed circuit, in refrigerating medium closed circuit, be provided with circulation pump 12.
In cooling train unit 2, cold-producing medium is filled with in the heat exchange pipeline of evaporimeter 21, and its two ends are connected the housing of condenser 22 by a cold-producing medium output channel with a defeated return pipe road of cold-producing medium, compressor 23 is arranged on cold-producing medium output channel, expansion valve 24 is arranged on the defeated return pipe road of cold-producing medium, forms the refrigerant circulation loop of cooling unit.
Gas-liquid heat-exchange unit 3 is arranged on mine return air lane, can be direct heat-exchanging type or indirect heat exchange type, cooling medium is filled in its heat exchange pipeline, the two ends of the heat exchange pipeline of gas-liquid heat-exchange unit 3 connect the two ends of the heat exchange pipeline of cooling train unit 2 condenser 22, form cooling medium closed circuit, in cooling medium closed circuit, be provided with circulation pump 31.
Mine return air heat pump 4 is in order to reclaim the heat in the mine return air of discharging from mine return air lane by the mode of recuperated cycle and to supply as subscriber equipmenies such as heating air conditioning equipment, wellhead anti-freezing equipment and bath apparatus, to meet the use heat demand of coal production life, this system both can be the mine return air source heat pump system (embodiment one) including collecting-tank, also can be the direct expansion type mine return air source heat pump system (embodiment two) not comprising collecting-tank.
Embodiment one (as shown in Figure 1), when mine return air heat pump 4 is mine return air source heat pump system, it includes the retention tower 41 being arranged on air outlet place, mine return air lane, be arranged on the return-air heat exchanger 42 on retention tower 41 air outlet top, be arranged on the collection chamber 43 of retention tower 41 bottom, collecting-tank 44 with return-air heat exchanger 42 and collection chamber 43 pipeline communication, forms the source pump unit 45 of low-temperature heat source closed circuit with collecting-tank 44 and forms the user equipment unit 46 in user's heating cycle loop with source pump unit 45.Wherein, source pump unit 45 comprises evaporimeter 451, condenser 452, compressor 453 and expansion valve 454.
The method of work of embodiment one is as follows:
1) refrigerating medium in air cooler 11 heat exchange pipeline and underground air carry out hot and humid area, after absorbing the heat in underground air, enter in the housing of cooling train unit 2 evaporimeter 21 under the effect of circulation pump 12, after lowering the temperature with the refrigerant heat exchanger in evaporimeter 21 heat exchange pipeline, return air cooler 11, continue to carry out hot and humid area with underground air, thus be underground air cooling, realize down-hole cooling function;
2) after the refrigerant suction heat of lowering the temperature in the heat exchange pipeline of train unit 2 evaporimeter 21, high temperature and high pressure gas is compressed into by compressor 23, enter in the housing of condenser 22, after lowering the temperature with the cooling medium heat exchange in condenser 22 heat exchange pipeline, Low temperature low pressure liquid is become again by expansion valve 24 throttling, in the heat exchange pipeline of Returning evaporimeter 21, continue and the refrigerating medium heat exchange entered in evaporimeter 21 housing;
3) after the cooling medium of lowering the temperature in the heat exchange pipeline of train unit 2 condenser 22 absorbs heat, enter the gas-liquid heat-exchange 3 on mine return air lane, after lowering the temperature with the mine return air heat exchange flowing through gas-liquid heat-exchange 3, return in the heat exchange pipeline of condenser 22 under the effect of circulation pump 31;
4) mine return air enters the retention tower 41 of mine return air source heat pump system 4 after absorbing heat, discharge from the air outlet of retention tower 41, return-air heat exchanger 42 by retention tower 41 top in discharge process carries out heat exchange with the water smoke of spray, water smoke imports collecting-tank 44 by collection chamber 43 after absorbing heat, absorb the water after heat in collecting-tank 44 enters in the housing of source pump unit 45 evaporimeter 451 under the effect of circulation pump 441, after lowering the temperature with the refrigerant heat exchanger in evaporimeter 451 heat exchange pipeline, return collecting-tank 44, water in collecting-tank 44 after release heat returns in return-air heat exchanger 42 under the effect of circulation pump 442, continue and the mine return air heat exchange through return-air heat exchanger 42,
5) after the refrigerant suction heat in the heat exchange pipeline of source pump unit 45 evaporimeter 451, high temperature and high pressure gas is compressed into by compressor 453, enter in the housing of condenser 452, after lowering the temperature with the use water source heat exchange in condenser 452 heat exchange pipeline, Low temperature low pressure liquid is become again by expansion valve 454 throttling, in the heat exchange pipeline of Returning evaporimeter 451, continue and the water heat exchange entered in evaporimeter 451 housing;
6) in the heat exchange pipeline of source pump unit 45 condenser 452 absorb heat with water source after, enter user equipment unit 46, after heat release cooling, return under the effect of circulation pump 461 in the heat exchange pipeline of condenser 452, continue and the refrigerant heat exchanger entered in condenser 452 housing.
Embodiment two (as shown in Figure 2), when mine return air heat pump 4 is direct expansion type mine return air source heat pump system, it includes the retention tower 41 being arranged on air outlet place, mine return air lane, be arranged on the external gas-liquid heat exchanger 42 on retention tower 41 air outlet top, form the source pump unit 43 of low-temperature heat source closed circuit with external gas-liquid heat exchanger 42 and form the user equipment unit 44 in user's heating cycle loop with source pump unit 43.Wherein, source pump unit 43 comprises compressor 431, built-in gas-liquid heat exchanger 432 and expansion valve 433.
The method of work of embodiment two is substantially identical with the method for work of embodiment one, and just step 4) ~ step 6) changes following steps 4 into) ~ step 5):
4) mine return air enters the retention tower 41 of mine return air source heat pump system 4 after absorbing heat, discharge from the air outlet of retention tower 41, heat exchange is carried out with the refrigeration working medium in external gas-liquid heat exchanger 42 in discharge process, refrigeration working medium becomes high temperature and high pressure gas by the compressor 431 of source pump unit 43 after absorbing heat, enter in the housing of built-in gas-liquid heat exchanger 432, after lowering the temperature with the use water source heat exchange in built-in gas-liquid heat exchanger 432 heat exchange pipeline, Low temperature low pressure liquid is become again by expansion valve 433 throttling, return external gas-liquid heat exchanger 42, continue and the mine return air heat exchange through external gas-liquid heat exchanger 42,
5) in the heat exchange pipeline of the built-in gas-liquid heat exchanger 432 of source pump unit 43 absorb heat with water source after, enter user equipment unit 44, after heat release cooling, return under the effect of circulation pump 441 in the heat exchange pipeline of built-in gas-liquid heat exchanger 432, continue and the refrigeration working medium heat exchange entered in built-in gas-liquid heat exchanger 432 housing.
As shown in Figure 3, Figure 4, present invention also offers the cooling of a kind of down-hole based on cooling tower and waste heat recycling system, it comprises air cooler unit 1, cooling train unit 2, high-low pressure heat exchanger unit 3, cooling tower 4, source pump unit 5 and user equipment unit 6.Wherein, cooling train unit 2 and source pump unit 5 include evaporimeter, condenser, compressor and expansion valve.This system, according to the set-up site of cooling train unit 2, can adopt two kinds of different embodiments to be combined into multiple recuperated cycle loop.
Below in conjunction with accompanying drawing, two kinds of embodiments are illustrated respectively.
Embodiment three (as shown in Figure 3), air cooler unit 1, cooling train unit 2 and high-low pressure heat exchanger unit 3 are arranged on down-hole, and it is aboveground that cooling tower 4, source pump unit 5 and user equipment unit 6 are arranged on mine.
Air cooler unit 1 can be arranged in the stope of down-hole, driving face and dynamo-electric chamber, it comprises more than one air cooler 11, the refrigerating medium such as water or hexylene glycol is filled in the heat exchange pipeline of each air cooler 11, each heat exchange pipeline is connected in parallel on the main line that is connected with train unit 2 evaporimeter 21 housing of lowering the temperature, form refrigerating medium closed circuit, in refrigerating medium closed circuit, be provided with circulation pump 12.
In cooling train unit 2, cold-producing medium is filled with in the heat exchange pipeline of evaporimeter 21, and its two ends are connected the housing of condenser 22 by a cold-producing medium output channel with a defeated return pipe road of cold-producing medium, compressor 23 is arranged on cold-producing medium output channel, expansion valve 24 is arranged on the defeated return pipe road of cold-producing medium, forms the refrigerant circulation loop of cooling unit.
Be filled with cooling medium in the heat exchange pipeline of cooling train unit 2 condenser 22, and two ends connect the input/output terminal of high-low pressure heat exchanger unit 3 low-pressure side, form a cooling medium closed circuit, are provided with circulation pump 31 in a cooling medium closed circuit.
The high-pressure side of high-low pressure heat exchanger unit 3 is provided with two ports in parallel: a pair port connects the input/output terminal of cooling tower 4 by pipeline, form cooling twice medium circulating circuit, cooling twice medium circulating circuit is provided with circulation pump 32; Another connects the housing of source pump unit 5 evaporimeter 51 by pipeline to port, form low-temperature heat source closed circuit, low-temperature heat source closed circuit is provided with circulation pump 33.
In source pump unit 5, cold-producing medium is filled with in the heat exchange pipeline of evaporimeter 51, and two ends are connected the housing of condenser 52 respectively by a cold-producing medium output channel and a defeated return pipe road of cold-producing medium, compressor 53 is arranged on cold-producing medium output channel, expansion valve 54 is arranged on the defeated return pipe road of cold-producing medium, forms the refrigerant circulation loop of source pump.
User equipment unit 6 can be the heating equipment at interior useful water source, domestic hot-water's equipment or equipment equipment, two ends connect the heat exchange pipeline of source pump unit 5 condenser 52 by pipeline, form user's heating cycle loop, loop is provided with circulation pump 61 to user's heating cycle.
The method of work of embodiment three is as follows:
1) refrigerating medium in air cooler 11 heat exchange pipeline and underground air carry out hot and humid area, after absorbing the heat in underground air, enter in the housing of cooling train unit 2 evaporimeter 21 under the effect of circulation pump 12, after lowering the temperature with the refrigerant heat exchanger in evaporimeter 21 heat exchange pipeline, return air cooler 11, continue to carry out hot and humid area with underground air, thus be underground air cooling, realize down-hole cooling function;
2) after the refrigerant suction heat of lowering the temperature in the heat exchange pipeline of train unit 2 evaporimeter 21, high temperature and high pressure gas is compressed into by compressor 23, enter in the housing of condenser 22, after lowering the temperature with the cooling medium heat exchange in condenser 22 heat exchange pipeline, Low temperature low pressure liquid is become again by expansion valve 24 throttling, in the heat exchange pipeline of Returning evaporimeter 21, continue and the refrigerating medium heat exchange entered in evaporimeter 21 housing;
3) after the cooling medium of lowering the temperature in the heat exchange pipeline of train unit 2 condenser 22 absorbs heat, enter the low-pressure side of high-low pressure heat exchanger unit 3, after lowering the temperature with the on high-tension side cooling medium heat exchange of high-low pressure heat exchanger unit 3, return under the effect of circulation pump 31 in the heat exchange pipeline of cooling train unit 2 condenser 22, continue and the refrigerant heat exchanger entered in condenser 22 housing;
4) after the on high-tension side cooling medium of high-low pressure heat exchanger unit 3 absorbs heat, a part enters cooling tower 4 under the effect of circulation pump 32, after the process that cools, return to high-low pressure heat exchanger unit 3 high-pressure side, continue to carry out heat exchange with the cooling medium of high-low pressure heat exchanger unit 3 low-pressure side; Another part then enters in the housing of source pump unit 5 evaporimeter 51 under the effect of circulation pump 33, return to high-low pressure heat exchanger unit 3 high-pressure side after lowering the temperature with the refrigerant heat exchanger in the heat exchange pipeline of evaporimeter 51, continue to carry out heat exchange with the cooling medium of high-low pressure heat exchanger unit 3 low-pressure side;
5) after the refrigerant suction heat in the heat exchange pipeline of source pump unit 5 evaporimeter 51, high temperature and high pressure gas is compressed into by compressor 53, enter in the housing of condenser 52, after lowering the temperature with the use water source heat exchange in condenser 52 heat exchange pipeline, Low temperature low pressure liquid is become again by expansion valve 54 throttling, in the heat exchange pipeline of Returning evaporimeter 51, continue and the cooling medium heat exchange entered in evaporimeter 51 housing;
6) in the heat exchange pipeline of source pump unit 5 condensation pipe 52 absorb heat with water source after, enter user equipment unit 6, after heat release cooling, return under the effect of circulation pump 61 in the heat exchange pipeline of condenser 52, continue and the refrigerant heat exchanger entered in condenser 52 housing.
Embodiment four (as shown in Figure 4), air cooler unit 1 and high-low pressure heat exchanger unit 3 are arranged on down-hole, and it is aboveground that cooling train unit 2, cooling tower 4, source pump unit 5 and user equipment unit 6 are arranged on mine.
Air cooler unit 1 can be arranged in the stope of down-hole, driving face and dynamo-electric chamber, it comprises more than one air cooler 11, the refrigerating medium such as water or hexylene glycol is filled in the heat exchange pipeline of each air cooler 11, each heat exchange pipeline is connected in parallel the input/output terminal of high-low pressure heat exchanger unit 3 low-pressure side, form a refrigerating medium closed circuit, in a refrigerating medium closed circuit, be provided with circulation pump 12.
The on high-tension side input/output terminal of high-low pressure heat exchanger unit 3 connects the housing of cooling train unit 2 evaporimeter 21 by pipeline, and form secondary refrigerating medium closed circuit, secondary refrigerating medium closed circuit is provided with circulation pump 31.
In cooling train unit 2, cold-producing medium is filled with in the heat exchange pipeline of evaporimeter 21, and its two ends are connected the housing of condenser 22 by a cold-producing medium output channel with a defeated return pipe road of cold-producing medium, compressor 23 is arranged on cold-producing medium output channel, expansion valve 24 is arranged on the defeated return pipe road of cold-producing medium, forms the refrigerant circulation loop of cooling unit.
Cooling medium is filled in the heat exchange pipeline of cooling train unit 2 condenser 22, and two ends are provided with two ports in parallel: a pair port connects the input/output terminal of cooling tower 4 by pipeline, form cooling medium closed circuit, in cooling medium closed circuit, be provided with circulation pump 41; Another connects the housing of source pump unit 5 evaporimeter 51 by pipeline to port, form low-temperature heat source closed circuit, be provided with circulation pump 25 in low-temperature heat source closed circuit.
In source pump unit 5, cold-producing medium is filled with in the heat exchange pipeline of evaporimeter 51, and two ends are connected the housing of condenser 52 respectively by a cold-producing medium output channel and a defeated return pipe road of cold-producing medium, compressor 53 is arranged on cold-producing medium output channel, expansion valve 54 is arranged on the defeated return pipe road of cold-producing medium, forms the refrigerant circulation loop of source pump.
User equipment unit 6 can be the heating equipment at interior useful water source, domestic hot-water's equipment or equipment equipment, two ends connect the two ends of the heat exchange pipeline of source pump unit 5 condenser 52 by pipeline, form user's heating cycle loop, loop is provided with circulation pump 61 to user's heating cycle.
The method of work of embodiment four is substantially identical with the method for work of embodiment three, and just step 1) ~ step 4) changes following steps 1 into) ~ step 4):
1) refrigerating medium in air cooler 11 heat exchange pipeline and underground air carry out hot and humid area, after absorbing the heat in underground air, the low-pressure side of high-low pressure heat exchanger unit 3 is entered under the effect of circulation pump 12, after lowering the temperature with the on high-tension side refrigerating medium heat exchange of high-low pressure heat exchanger unit 3, return air cooler 11, continue to carry out hot and humid area with underground air, thus be underground air cooling, realize down-hole cooling function;
2) after the on high-tension side refrigerating medium of high-low pressure heat exchanger unit 3 absorbs heat, enter in the housing of cooling train unit 2 evaporimeter 21 under the effect of circulation pump 31, after lowering the temperature with the refrigerant heat exchanger in evaporimeter 21 heat exchange pipeline, return to the high-pressure side of high-low pressure heat exchanger unit 3, continue to carry out heat exchange with the refrigerating medium entering high-low pressure heat exchanger unit 3 low-pressure side;
3) after the refrigerant suction heat of lowering the temperature in the heat exchange pipeline of train unit 2 evaporimeter 21, high temperature and high pressure gas is compressed into by compressor 23, enter in the housing of condenser 22, after lowering the temperature with the cooling medium heat exchange in condenser 22 heat exchange pipeline, Low temperature low pressure liquid is become again by expansion valve 24 throttling, in the heat exchange pipeline of Returning evaporimeter 21, continue and the refrigerating medium heat exchange entered in evaporimeter 21 housing;
4) after the cooling medium of lowering the temperature in the heat exchange pipeline of train unit 2 condenser 22 absorbs heat, a part enters cooling tower 4, after the process that cools, return under the effect of circulation pump 41 in the heat exchange pipeline of cooling train unit 2 condenser 22, continue and the refrigerant heat exchanger entered in condenser 22 housing; Another part then enters in the housing of source pump unit 5 evaporimeter 51 under the effect of circulation pump 25, after lowering the temperature with the refrigerant heat exchanger in the heat exchange pipeline of evaporimeter 51, return in the heat exchange pipeline of cooling train unit 2 condenser 22, continue and the refrigerant heat exchanger entered in condenser 22 housing.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (1)
1. down-hole cooling and a waste heat recycling system, is characterized in that: it is the multiple recuperated cycle loop be made up of air cooler unit, high-low pressure heat exchanger unit, cooling train unit, cooling tower, source pump unit and user equipment unit;
Described air cooler unit comprises more than one air cooler, fills refrigerating medium in the heat exchange pipeline of air cooler described in each;
Evaporimeter, condenser, compressor and expansion valve is included in described cooling train unit and described source pump unit; Cold-producing medium is filled in the heat exchange pipeline of evaporimeter described in each, and its two ends are by the housing of condenser described in a cold-producing medium output channel and connection place, a cold-producing medium defeated return pipe road train unit, cold-producing medium output channel described in each is arranged compressor described in, defeated return pipe road arranges expansion valve described in cold-producing medium described in each, forms refrigerant circulation loop;
Described user equipment unit two ends connect the two ends in described source pump unit condenser heat-exchange pipes road by pipeline, form user's heating cycle loop;
Described air cooler unit, described high-low pressure heat exchanger unit are arranged on down-hole, and it is aboveground that described cooling tower, described source pump unit and described user equipment unit are arranged on mine, and described cooling train unit is arranged on down-hole or mine is aboveground;
When described cooling train unit is arranged on down-hole: the heat exchange pipeline of air cooler described in each is connected in parallel on the main line that is connected with described cooling train unit evaporator shell, form refrigerating medium closed circuit, in described refrigerating medium closed circuit, circulation pump is set;
Cooling medium is filled with in the heat exchange pipeline of described cooling train unit condenser, and two ends connect the input/output terminal of described high-low pressure heat exchanger unit low-pressure side, form a cooling medium closed circuit, in a described cooling medium closed circuit, circulation pump is set;
The high-pressure side of described high-low pressure heat exchanger unit is provided with two ports in parallel: a pair port connects the input/output terminal of described cooling tower by pipeline, forms cooling twice medium circulating circuit, described cooling twice medium circulating circuit arranges circulation pump; Another connects the housing of described source pump unit evaporimeter by pipeline to port, form low-temperature heat source closed circuit, described low-temperature heat source closed circuit arranges circulation pump;
When described cooling train unit be arranged on mine aboveground time: the heat exchange pipeline of air cooler described in each is connected in parallel the input/output terminal of described high-low pressure heat exchanger unit low-pressure side, form a refrigerating medium closed circuit, in a described refrigerating medium closed circuit, circulation pump is set;
The on high-tension side input/output terminal of described high-low pressure heat exchanger unit connects the housing of described cooling train unit evaporimeter by pipeline, forms secondary refrigerating medium closed circuit, arranges circulation pump in described secondary refrigerating medium closed circuit;
Cooling medium is filled in the heat exchange pipeline of described cooling train unit condenser, and two ends arrange two ports in parallel: a pair port connects the input/output terminal of described cooling tower by pipeline, form cooling medium closed circuit, in described cooling medium closed circuit, circulation pump is set; Another connects the housing of described source pump unit evaporimeter by pipeline to port, form low-temperature heat source closed circuit, arrange circulation pump in described low-temperature heat source closed circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210241562.6A CN102733840B (en) | 2012-07-12 | 2012-07-12 | Mine underground cooling and waste heat recycling system |
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| CN201210241562.6A CN102733840B (en) | 2012-07-12 | 2012-07-12 | Mine underground cooling and waste heat recycling system |
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| CN102733840A CN102733840A (en) | 2012-10-17 |
| CN102733840B true CN102733840B (en) | 2015-05-13 |
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