CN202718702U - Underground cooling and waste heat recycling system of mine - Google Patents
Underground cooling and waste heat recycling system of mine Download PDFInfo
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- CN202718702U CN202718702U CN 201220338885 CN201220338885U CN202718702U CN 202718702 U CN202718702 U CN 202718702U CN 201220338885 CN201220338885 CN 201220338885 CN 201220338885 U CN201220338885 U CN 201220338885U CN 202718702 U CN202718702 U CN 202718702U
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Abstract
The utility model relates to an underground cooling and waste heat recycling system of a mine, which comprises an air cooler unit, a cooling unit and a pneumatic-hydraulic heat exchanger unit which are arranged under the mine, and a mine return air heat pump system arranged on the mine, wherein the cooling unit comprises an evaporator, a condenser, a compressor and an expansion valve; the air cooler unit comprises more than one air cooler, a heat exchange pipe of each air cooler is filled with a secondary refrigerant, each heat exchange pipeline is connected in parallel to a main pipeline connected with an evaporator shell of the cooling unit to form a secondary refrigerant circulating loop, a circulating pump is arranged in the secondary refrigerant circulating loop; and in the cooling unit, a refrigerant is filed in a heat exchange pipeline of the evaporator, two ends of the cooling unit are connected with a condenser shell through a refrigerant output pipeline and a refrigerant input pipeline, the compressor is arranged on the refrigerant output pipeline, the expansion valve is arranged on the refrigerant input pipeline, so that a refrigerant circulating loop is formed. Therefore, underground cooling of the mine can be realized, and heat demand of coal mine production and living can be met. The utility model can be widely applied to underground cooling and waste heat recycling of the mine.
Description
Technical field
The utility model 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 mine is adopted improving constantly of dark day by day increase and Mechanion degree, mine High Temperature in Deep Mine evil has become one of significant problem of restriction safety of coal mines exploitation.The operating efficiency that it not only affects the down-hole employee causes profit or loss of operation, but also can have a strong impact on employee's healthy and life security.At present, the measure of mine cooling mainly contains two kinds of unartificial refrigeration cool-down and artificial cooling coolings.Wherein, to utilize or to increase the form realization of ventilation, this mode has been difficult to satisfy the demand of mine cooling to unartificial refrigeration cool-down now usually; The artificial cooling cooling then needs to consume greater energy consumption so that cooling load to be provided, and economic benefit is low, and does not meet the requirement of energy-saving and emission-reduction.In addition, the mine cooling heat extraction also need to arrange by mine return air, mine drainage or on ground the means such as cooling tower and realize, some heat requirements just directly are discharged in the environment through utilizing, and have caused the waste of a part of heat energy, and efficient is not high.
Summary of the invention
For the problems referred to above, the purpose of this utility model provides a kind ofly can utilize down-hole used heat resource in conjunction with the high efficiente callback of mine existing equipment, produces down-hole cooling and the waste heat recycling system that heat energy is provided for the colliery life.
For achieving the above object, the utility model is taked following technical scheme: a kind of down-hole cooling and waste heat recycling system, it is characterized in that: it comprises air cooler unit, cooling unit unit and the gas-liquid heat exchanger unit that is arranged on down-hole, and is arranged on the aboveground mine return air heat pump of mine; Cooling unit unit comprises evaporimeter, condenser, compressor and expansion valve; The air cooler unit comprises more than one air cooler, fill refrigerating medium 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 the unit unit evaporator shell of lowering the temperature, and forms the refrigerating medium closed circuit, in the refrigerating medium closed circuit circulation pump is set; In the cooling unit unit, fill cold-producing medium in the heat exchange pipeline of evaporimeter, and its two ends by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser, compressor is arranged on the cold-producing medium output channel, expansion valve is arranged on the defeated return pipe road of cold-producing medium, forms refrigerant circulation loop; The gas-liquid heat-exchange unit is arranged on the mine return air lane, fill cooling medium 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 unit unit condenser, form the cooling medium closed circuit, in the cooling medium closed circuit circulation pump are set; The mine return air heat pump comprises the retention tower that is arranged on air outlet place, mine return air lane, with the heat recovery from the mine return air that discharge in the mine return air lane and pass to the user and use.
Above-mentioned mine return air heat pump is mine return air source heat pump system, it also includes the return-air heat exchanger that is arranged on retention tower air outlet top, be arranged on the collection chamber of retention tower bottom, collecting-tank with return-air heat exchanger and collection chamber pipeline communication, with collecting-tank consist of the low-temperature heat source closed circuit the source pump unit and with the user equipment unit of source pump cell formation user for soft circulation circuit, the 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 that is arranged on retention tower air outlet top, with external gas-liquid heat exchanger consist of the low-temperature heat source closed circuit the source pump unit and with the user equipment unit of source pump cell formation user for soft circulation circuit, the 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 heat exchange closed circuit that is made of air cooler unit, high-low pressure heat exchanger unit, cooling unit unit, cooling tower, source pump unit and user equipment unit; The air cooler unit comprises more than one air cooler, fills refrigerating medium in the heat exchange pipeline of each air cooler; Include evaporimeter, condenser, compressor and expansion valve in cooling unit unit and the source pump unit; Fill cold-producing medium in the heat exchange pipeline of each evaporimeter, and its two ends by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser in the unit unit, place, on each cold-producing medium output channel a compressor is set, each cold-producing medium arranges an expansion valve on the defeated return pipe road, forms refrigerant circulation loop; The user equipment unit two ends connect the two ends in condenser heat-exchange pipes road, source pump unit by pipeline, form the user for soft circulation circuit.
Above-mentioned air cooler unit, high-low pressure heat exchanger unit and cooling unit 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 the unit unit evaporator shell of lowering the temperature, and forms the refrigerating medium closed circuit, in the refrigerating medium closed circuit circulation pump is set; Be filled with cooling medium in the heat exchange pipeline of cooling unit unit condenser, and the input/output terminal of two ends connection high-low pressure heat exchanger unit low-pressure side, form one time the cooling medium closed circuit, in the cooling medium closed circuit circulation pump is set; The high-pressure side of high-low pressure heat exchanger unit is provided with two ports in parallel: a pair of port connects the input/output terminal of cooling tower by pipeline, forms secondary cooling medium closed circuit, on the secondary cooling medium closed circuit circulation pump is set; Another connects source pump unit evaporimeter by pipeline to port housing forms the low-temperature heat source closed circuit, and the 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 unit unit, cooling tower, source pump unit and user equipment unit are arranged on mine; The be connected in parallel input/output terminal of high-low pressure heat exchanger unit low-pressure side of the heat exchange pipeline of each air cooler forms one time the refrigerating medium closed circuit, in the refrigerating medium closed circuit circulation pump is set; The on high-tension side input/output terminal of high-low pressure heat exchanger unit connects the housing of cooling unit unit evaporimeter by pipeline, form secondary refrigerating medium closed circuit, in the secondary refrigerating medium closed circuit circulation pump is set; Fill cooling medium in the heat exchange pipeline of cooling unit unit condenser, and two ends arrange two ports in parallel: a pair of port connects the input/output terminal of cooling tower by pipeline, form the cooling medium closed circuit, in the cooling medium closed circuit circulation pump is set; Another connects source pump unit evaporimeter by pipeline to port housing forms the low-temperature heat source closed circuit, in the low-temperature heat source closed circuit circulation pump is set.
The utility model is owing to adopting technique scheme, have the following advantages: 1, the utility model is with air cooler unit, cooling unit unit, source pump unit and user equipment unit, in conjunction with mine existing equipment mine return air heat pump or cooling tower, consist of multiple heat exchange closed circuit, thereby the heat that high temperature heat source discharges under the recovery well, offering corresponding subscriber equipment uses, both realized the purpose of mine cooling, can satisfy again the heat demand of using of colliery life production, have energy-saving and emission-reduction, the advantage that economic benefit and environmental benefit are high.2, each component units of the utility model can make up in different ways according to implementing requirement, various informative flexible, and can adjust in conjunction with mine existing equipment such as already installed direct expansion type mine return air heat pumping system, difficulty of construction and installation cost are lower.The utility model can be widely used in down-hole cooling and the Waste Heat Recovery process.
Description of drawings
Fig. 1 is that the system of the utility model embodiment one forms structural representation;
Fig. 2 is that the system of the utility model embodiment two forms structural representation;
Fig. 3 is that the system of the utility model embodiment three forms structural representation;
Fig. 4 is that the system of the utility model embodiment four forms structural representation.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model 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 embodiment of waste heat recycling system, comprise the air cooler unit 1, cooling unit 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, cooling unit unit 2 comprises evaporimeter 21, condenser 22, compressor 23 and expansion valve 24.
Air cooler unit 1 can be arranged in stope, driving face and the dynamo-electric chamber of down-hole, it comprises more than one air cooler 11, fill the refrigerating mediums such as water or hexylene glycol 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 unit unit 2 evaporimeters, 21 housings of lowering the temperature, form the refrigerating medium closed circuit, be provided with circulation pump 12 in the refrigerating medium closed circuit.
In the cooling unit unit 2, be filled with cold-producing medium in the heat exchange pipeline of evaporimeter 21, and its two ends by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser 22, compressor 23 is arranged on the 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 the mine return air lane, can be direct heat-exchanging type or indirect heat exchange type, fill cooling medium 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 unit unit 2 condensers 22, form the cooling medium closed circuit, be provided with circulation pump 31 in the cooling medium closed circuit.
Mine return air heat pump 4 is in order to reclaim and to supply with the mode of the heat from the mine return air that discharge in the mine return air lane by the heat exchange circulation such as subscriber equipmenies such as heating air conditioning equipment, wellhead anti-freezing equipment and bath apparatus, to satisfy the heat demand of using of coal production life, this system both can be the mine return air source heat pump system (embodiment one) that includes collecting-tank, also can be the direct expansion type mine return air source heat pump system (embodiment two) that does not comprise 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 that is arranged on air outlet place, mine return air lane, be arranged on the return-air heat exchanger 42 on retention tower 41 air outlet tops, be arranged on the collection chamber 43 of retention tower 41 bottoms, with the collecting-tank 44 of return-air heat exchanger 42 and collection chamber 43 pipeline communications, consist of the source pump unit 45 of low-temperature heat source closed circuit and consist of the user for the user equipment unit 46 of soft circulation circuit with source pump unit 45 with collecting-tank 44.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 pipelines and underground air carry out the wet exchange of heat, under the absorption well behind the airborne heat, under the effect of circulation pump 12, enter in the housing of cooling unit unit 2 evaporimeters 21, after cold-producing medium heat exchange in evaporimeter 21 heat exchange pipelines cooling, return air cooler 11, continue to carry out the wet exchange of heat with underground air, thereby be the underground air cooling, realize the down-hole cooling function;
2) after the cold-producing medium in the heat exchange pipeline of cooling unit unit 2 evaporimeters 21 absorbs heat, be compressed into high temperature and high pressure gas by compressor 23, enter in the housing of condenser 22, after cooling medium heat exchange in condenser 22 heat exchange pipelines cooling, become low-temp low-pressure liquid by expansion valve 24 throttlings again, in the heat exchange pipeline of Returning evaporimeter 21, continue and the refrigerating medium heat exchange that enters in evaporimeter 21 housings;
3) after the cooling medium in the heat exchange pipeline of cooling unit unit 2 condensers 22 absorbs heat, enter the gas-liquid heat-exchange 3 on the mine return air lane, after the mine return air heat exchange of the gas-liquid heat-exchange 3 of flowing through cooling, under the effect of circulation pump 31 in the heat exchange pipeline of return condensed device 22;
4) mine return air absorbs the retention tower 41 that enters mine return air source heat pump system 4 behind the heat, discharge from the air outlet of retention tower 41, return-air heat exchanger 42 by retention tower 41 tops in discharge process carries out heat exchange with the water smoke that sprays, water smoke imports collecting-tank 44 by collection chamber 43 after absorbing heat, water in the collecting-tank 44 behind the absorption heat enters in the housing of source pump unit 45 evaporimeters 451 under the effect of circulation pump 441, after cold-producing medium heat exchange in evaporimeter 451 heat exchange pipelines cooling, return collecting-tank 44, water in the collecting-tank 44 after the release heat returns under the effect of circulation pump 442 in the return-air heat exchanger 42, continues the mine return air heat exchange with process return-air heat exchanger 42;
5) after the cold-producing medium in the heat exchange pipeline of source pump unit 45 evaporimeters 451 absorbs heat, be compressed into high temperature and high pressure gas by compressor 453, enter in the housing of condenser 452, with in condenser 452 heat exchange pipelines with after the water source heat exchange cooling, become low-temp low-pressure liquid by expansion valve 454 throttlings again, in the heat exchange pipeline of Returning evaporimeter 451, continue and the water heat exchange that enters in evaporimeter 451 housings;
6) in the heat exchange pipeline of source pump unit 45 condensers 452 absorb heat with the water source after, enter user equipment unit 46, after the heat release cooling, under the effect of circulation pump 461, in the heat exchange pipeline of return condensed device 452, continue and the cold-producing medium heat exchange that enters in condenser 452 housings.
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 that is 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 tops, consist of the source pump unit 43 of low-temperature heat source closed circuit and consist of the user for the user equipment unit 44 of soft circulation circuit with source pump unit 43 with external gas-liquid heat exchanger 42.Wherein, source pump unit 43 comprises compressor 431, built-in gas-liquid heat exchanger 432 and expansion valve 433.
The method of work of the method for work of embodiment two and embodiment one is basic identical, and just step 4)～step 6) changes following steps 4 into)～step 5):
4) mine return air absorbs the retention tower 41 that enters mine return air source heat pump system 4 behind the heat, discharge from the air outlet of retention tower 41, in discharge process with external gas-liquid heat exchanger 42 in refrigeration working medium carry out heat exchange, compressor 431 by source pump unit 43 behind the refrigeration working medium absorption heat becomes high temperature and high pressure gas, enter in the housing of built-in gas-liquid heat exchanger 432, with in built-in gas-liquid heat exchanger 432 heat exchange pipelines with after the water source heat exchange cooling, become low-temp low-pressure liquid by expansion valve 433 throttlings again, return external gas-liquid heat exchanger 42, continue the mine return air heat exchange with the external gas-liquid heat exchanger 42 of process;
5) in the heat exchange pipeline of source pump unit 43 built-in gas-liquid heat exchangers 432 absorb heat with the water source after, enter user equipment unit 44, after the heat release cooling, under the effect of circulation pump 441, return in the heat exchange pipeline of built-in gas-liquid heat exchanger 432, continue and the refrigeration working medium heat exchange that enters in built-in gas-liquid heat exchanger 432 housings.
As shown in Figure 3, Figure 4, the utility model also provides a kind of down-hole cooling and waste heat recycling system based on cooling tower, it comprises air cooler unit 1, cooling unit unit 2, high-low pressure heat exchanger unit 3, cooling tower 4, source pump unit 5 and user equipment unit 6.Wherein, cooling unit unit 2 and source pump unit 5 include evaporimeter, condenser, compressor and expansion valve.This system can adopt two kinds of different embodiments to be combined into multiple heat exchange closed circuit according to the set-up site of cooling unit unit 2.
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 unit 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 stope, driving face and the dynamo-electric chamber of down-hole, it comprises more than one air cooler 11, fill the refrigerating mediums such as water or hexylene glycol 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 unit unit 2 evaporimeters, 21 housings of lowering the temperature, form the refrigerating medium closed circuit, be provided with circulation pump 12 in the refrigerating medium closed circuit.
In the cooling unit unit 2, be filled with cold-producing medium in the heat exchange pipeline of evaporimeter 21, and its two ends by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser 22, compressor 23 is arranged on the 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 unit unit 2 condensers 22, and the input/output terminal of two ends connection high-low pressure heat exchanger unit 3 low-pressure sides, form one time the cooling medium closed circuit, be provided with circulation pump 31 in the 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 of port connects the input/output terminal of cooling tower 4 by pipeline, forms secondary cooling medium closed circuit, is provided with circulation pump 32 on the secondary cooling medium closed circuit; Another connects source pump unit 5 evaporimeters 51 by pipeline to port housing forms the low-temperature heat source closed circuit, and the low-temperature heat source closed circuit is provided with circulation pump 33.
In the source pump unit 5, be filled with cold-producing medium in the heat exchange pipeline of evaporimeter 51, and two ends respectively by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser 52, compressor 53 is arranged on the 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 heating equipment, domestic hot-water's equipment or the equipment equipment at interior useful water source, two ends connect the heat exchange pipeline of source pump unit 5 condensers 52 by pipeline, form the user for soft circulation circuit, the user is provided with circulation pump 61 on the soft circulation circuit.
The method of work of embodiment three is as follows:
1) refrigerating medium in air cooler 11 heat exchange pipelines and underground air carry out the wet exchange of heat, under the absorption well behind the airborne heat, under the effect of circulation pump 12, enter in the housing of cooling unit unit 2 evaporimeters 21, after cold-producing medium heat exchange in evaporimeter 21 heat exchange pipelines cooling, return air cooler 11, continue to carry out the wet exchange of heat with underground air, thereby be the underground air cooling, realize the down-hole cooling function;
2) after the cold-producing medium in the heat exchange pipeline of cooling unit unit 2 evaporimeters 21 absorbs heat, be compressed into high temperature and high pressure gas by compressor 23, enter in the housing of condenser 22, after cooling medium heat exchange in condenser 22 heat exchange pipelines cooling, become low-temp low-pressure liquid by expansion valve 24 throttlings again, in the heat exchange pipeline of Returning evaporimeter 21, continue and the refrigerating medium heat exchange that enters in evaporimeter 21 housings;
3) after the cooling medium in the heat exchange pipeline of cooling unit unit 2 condensers 22 absorbs heat, enter the low-pressure side of high-low pressure heat exchanger unit 3, after the 3 on high-tension side cooling medium heat exchange coolings of high-low pressure heat exchanger unit, under the effect of circulation pump 31, return in the heat exchange pipeline of cooling unit unit 2 condensers 22, continue and the cold-producing medium heat exchange that enters in condenser 22 housings;
4) after high-low pressure heat exchanger unit 3 on high-tension side cooling mediums absorb heat, a part enters cooling tower 4 under the effect of circulation pump 32, through returning high-low pressure heat exchanger unit 3 high-pressure sides after the processing that cools, continue to carry out heat exchange with the cooling medium of high-low pressure heat exchanger unit 3 low-pressure sides; Another part then enters in the housing of source pump unit 5 evaporimeters 51 under the effect of circulation pump 33, with return high-low pressure heat exchanger unit 3 high-pressure sides after the cold-producing medium heat exchange cooling 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 sides;
5) after the cold-producing medium in the heat exchange pipeline of source pump unit 5 evaporimeters 51 absorbs heat, be compressed into high temperature and high pressure gas by compressor 53, enter in the housing of condenser 52, with in condenser 52 heat exchange pipelines with after the water source heat exchange cooling, become low-temp low-pressure liquid by expansion valve 54 throttlings again, in the heat exchange pipeline of Returning evaporimeter 51, continue and the cooling medium heat exchange that enters in evaporimeter 51 housings;
6) in the heat exchange pipeline of source pump unit 5 condensation pipes 52 absorb heat with the water source after, enter user equipment unit 6, after the heat release cooling, under the effect of circulation pump 61, in the heat exchange pipeline of return condensed device 52, continue and the cold-producing medium heat exchange that enters in condenser 52 housings.
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 unit 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 stope, driving face and the dynamo-electric chamber of down-hole, it comprises more than one air cooler 11, fill the refrigerating mediums such as water or hexylene glycol in the heat exchange pipeline of each air cooler 11, the be connected in parallel input/output terminal of high-low pressure heat exchanger unit 3 low-pressure sides of each heat exchange pipeline, form one time the refrigerating medium closed circuit, be provided with circulation pump 12 in the refrigerating medium closed circuit.
High-low pressure heat exchanger unit 3 on high-tension side input/output terminals connect the housing of cooling unit unit 2 evaporimeters 21 by pipeline, form secondary refrigerating medium closed circuit, and secondary refrigerating medium closed circuit is provided with circulation pump 31.
In the cooling unit unit 2, be filled with cold-producing medium in the heat exchange pipeline of evaporimeter 21, and its two ends by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser 22, compressor 23 is arranged on the 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.
Fill cooling medium in the heat exchange pipeline of cooling unit unit 2 condensers 22, and two ends are provided with two ports in parallel: a pair of port connects the input/output terminal of cooling tower 4 by pipeline, form the cooling medium closed circuit, be provided with circulation pump 41 in the cooling medium closed circuit; Another connects source pump unit 5 evaporimeters 51 by pipeline to port housing forms the low-temperature heat source closed circuit, is provided with circulation pump 25 in the low-temperature heat source closed circuit.
In the source pump unit 5, be filled with cold-producing medium in the heat exchange pipeline of evaporimeter 51, and two ends respectively by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser 52, compressor 53 is arranged on the 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 heating equipment, domestic hot-water's equipment or the equipment equipment at interior useful water source, two ends connect the two ends of the heat exchange pipeline of source pump unit 5 condensers 52 by pipeline, form the user for soft circulation circuit, the user is provided with circulation pump 61 on the soft circulation circuit.
The method of work of the method for work of embodiment four and embodiment three is basic identical, and just step 1)～step 4) changes following steps 1 into)～step 4):
1) refrigerating medium in air cooler 11 heat exchange pipelines and underground air carry out the wet exchange of heat, under the absorption well behind the airborne heat, under the effect of circulation pump 12, enter the low-pressure side of high-low pressure heat exchanger unit 3, after the 3 on high-tension side refrigerating medium heat exchange coolings of high-low pressure heat exchanger unit, return air cooler 11, continue to carry out the wet exchange of heat with underground air, thereby be the underground air cooling, realize the down-hole cooling function;
2) after high-low pressure heat exchanger unit 3 on high-tension side refrigerating mediums absorb heat, under the effect of circulation pump 31, enter in the housing of cooling unit unit 2 evaporimeters 21, after cold-producing medium heat exchange in evaporimeter 21 heat exchange pipelines cooling, return the high-pressure side of high-low pressure heat exchanger unit 3, continue to carry out heat exchange with the refrigerating medium that enters high-low pressure heat exchanger unit 3 low-pressure sides;
3) after the cold-producing medium in the heat exchange pipeline of cooling unit unit 2 evaporimeters 21 absorbs heat, be compressed into high temperature and high pressure gas by compressor 23, enter in the housing of condenser 22, after cooling medium heat exchange in condenser 22 heat exchange pipelines cooling, become low-temp low-pressure liquid by expansion valve 24 throttlings again, in the heat exchange pipeline of Returning evaporimeter 21, continue and the refrigerating medium heat exchange that enters in evaporimeter 21 housings;
4) after the cooling medium in the heat exchange pipeline of cooling unit unit 2 condensers 22 absorbs heat, a part enters cooling tower 4, after the processing that cools, under the effect of circulation pump 41, return in the heat exchange pipeline of cooling unit unit 2 condensers 22, continue and the cold-producing medium heat exchange that enters in condenser 22 housings; Another part then enters in the housing of source pump unit 5 evaporimeters 51 under the effect of circulation pump 25, after cold-producing medium heat exchange cooling in the heat exchange pipeline of evaporimeter 51, return in the heat exchange pipeline of cooling unit unit 2 condensers 22, continue and the cold-producing medium heat exchange that enters in condenser 22 housings.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.
Claims (6)
1. a down-hole is lowered the temperature and waste heat recycling system, it is characterized in that: it comprises air cooler unit, cooling unit unit and the gas-liquid heat exchanger unit that is arranged on down-hole, and is arranged on the aboveground mine return air heat pump of mine; Described cooling unit unit comprises evaporimeter, condenser, compressor and expansion valve;
Described air cooler unit comprises more than one air cooler, fill refrigerating medium in the heat exchange pipeline of each described air cooler, each described heat exchange pipeline is connected in parallel on the main line that is connected with described cooling unit unit evaporator shell, form the refrigerating medium closed circuit, in the described refrigerating medium closed circuit circulation pump is set;
In the described cooling unit unit, fill cold-producing medium in the heat exchange pipeline of described evaporimeter, and its two ends by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of described condenser, described compressor is arranged on the described cold-producing medium output channel, described expansion valve is arranged on the defeated return pipe road of described cold-producing medium, forms refrigerant circulation loop;
Described gas-liquid heat-exchange unit is arranged on the mine return air lane, fill cooling medium in its heat exchange pipeline, the two ends of the heat exchange pipeline of described gas-liquid heat-exchange unit connect the two ends of the heat exchange pipeline of described cooling unit unit condenser, form the cooling medium closed circuit, in the described cooling medium closed circuit circulation pump is set;
Described mine return air heat pump comprises the retention tower that is arranged on air outlet place, described mine return air lane, with the heat recovery from the mine return air that discharge in the mine return air lane and pass to the user and use.
2. down-hole as claimed in claim 1 is lowered the temperature and waste heat recycling system, it is characterized in that: described mine return air heat pump is mine return air source heat pump system, it also includes the return-air heat exchanger that is arranged on described retention tower air outlet top, be arranged on the collection chamber of described retention tower bottom, collecting-tank with described return-air heat exchanger and described collection chamber pipeline communication, with described collecting-tank consist of the low-temperature heat source closed circuit the source pump unit and with the user equipment unit of described source pump cell formation user for soft circulation circuit, described source pump unit comprises evaporimeter, condenser, compressor and expansion valve.
3. down-hole as claimed in claim 1 is lowered the temperature and waste heat recycling system, it is characterized in that: described 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 that is arranged on described retention tower air outlet top, with described external gas-liquid heat exchanger consist of the low-temperature heat source closed circuit the source pump unit and with the user equipment unit of described source pump cell formation user for soft circulation circuit, described source pump unit comprises compressor, built-in gas-liquid heat exchanger and expansion valve.
4. a down-hole is lowered the temperature and waste heat recycling system, it is characterized in that: it is the multiple heat exchange closed circuit that is made of air cooler unit, high-low pressure heat exchanger unit, cooling unit 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 each described air cooler;
Include evaporimeter, condenser, compressor and expansion valve in described cooling unit unit and the described source pump unit; Fill cold-producing medium in the heat exchange pipeline of each described evaporimeter, and its two ends by a cold-producing medium output channel with is connected the defeated return pipe road of cold-producing medium and connects the housing of condenser described in the unit unit, place, on each described cold-producing medium output channel a described compressor is set, each described cold-producing medium arranges a described expansion valve on the defeated return pipe road, forms refrigerant circulation loop;
Described user equipment unit two ends connect the two ends in condenser heat-exchange pipes road, described source pump unit by pipeline, form the user for soft circulation circuit.
5. down-hole as claimed in claim 4 is lowered the temperature and waste heat recycling system, it is characterized in that: described air cooler unit, described high-low pressure heat exchanger unit and described cooling unit 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;
The heat exchange pipeline of each described air cooler is connected in parallel on the main line that is connected with described cooling unit unit evaporator shell, forms the refrigerating medium closed circuit, in the described refrigerating medium closed circuit circulation pump is set;
Be filled with cooling medium in the heat exchange pipeline of described cooling unit unit condenser, and two ends connect the input/output terminal of described high-low pressure heat exchanger unit low-pressure side, form one time the cooling medium closed circuit, in the 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 of port connects the input/output terminal of described cooling tower by pipeline, forms secondary cooling medium closed circuit, on the described secondary cooling medium closed circuit circulation pump is set; Another connects the housing of described source pump unit evaporimeter by pipeline to port, form the low-temperature heat source closed circuit, and described low-temperature heat source closed circuit arranges circulation pump.
6. down-hole as claimed in claim 4 is lowered the temperature and waste heat recycling system, it is characterized in that: described air cooler unit and described high-low pressure heat exchanger unit are arranged on down-hole, and it is aboveground that described cooling unit unit, described cooling tower, described source pump unit and described user equipment unit are arranged on mine;
The be connected in parallel input/output terminal of described high-low pressure heat exchanger unit low-pressure side of the heat exchange pipeline of each described air cooler forms one time the refrigerating medium closed circuit, in the 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 unit unit evaporimeter by pipeline, form secondary refrigerating medium closed circuit, in the described secondary refrigerating medium closed circuit circulation pump is set;
Fill cooling medium in the heat exchange pipeline of described cooling unit unit condenser, and two ends arrange two ports in parallel: a pair of port connects the input/output terminal of described cooling tower by pipeline, form the cooling medium closed circuit, in the described cooling medium closed circuit circulation pump is set; Another connects the housing of described source pump unit evaporimeter by pipeline to port, form the low-temperature heat source closed circuit, in the described low-temperature heat source closed circuit circulation pump is set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220338885 CN202718702U (en) | 2012-07-12 | 2012-07-12 | Underground cooling and waste heat recycling system of mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220338885 CN202718702U (en) | 2012-07-12 | 2012-07-12 | Underground cooling and waste heat recycling system of mine |
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| CN202718702U true CN202718702U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220338885 Withdrawn - After Issue CN202718702U (en) | 2012-07-12 | 2012-07-12 | Underground cooling and waste heat recycling system of mine |
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| CN (1) | CN202718702U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102733840A (en) * | 2012-07-12 | 2012-10-17 | 北京矿大节能科技有限公司 | Mine underground cooling and waste heat recycling system |
| CN103234304A (en) * | 2013-04-27 | 2013-08-07 | 杨家华 | Condensation type heat pump |
| CN103362530A (en) * | 2013-07-30 | 2013-10-23 | 中国矿业大学(北京) | Equipment and method for cooling working surface and utilizing heat energy during mining process |
| WO2014187667A3 (en) * | 2013-05-22 | 2015-08-06 | Siemens Aktiengesellschaft | Method and device for heating a shaft |
| CN107191214A (en) * | 2017-05-18 | 2017-09-22 | 中国矿业大学 | A kind of High-geotemperature place cooling generating integrated system |
| CN108915754A (en) * | 2018-08-02 | 2018-11-30 | 北京建筑大学 | The dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102733840A (en) * | 2012-07-12 | 2012-10-17 | 北京矿大节能科技有限公司 | Mine underground cooling and waste heat recycling system |
| CN103234304A (en) * | 2013-04-27 | 2013-08-07 | 杨家华 | Condensation type heat pump |
| CN103234304B (en) * | 2013-04-27 | 2015-03-18 | 杨家华 | Condensation type heat pump |
| WO2014187667A3 (en) * | 2013-05-22 | 2015-08-06 | Siemens Aktiengesellschaft | Method and device for heating a shaft |
| CN103362530A (en) * | 2013-07-30 | 2013-10-23 | 中国矿业大学(北京) | Equipment and method for cooling working surface and utilizing heat energy during mining process |
| CN103362530B (en) * | 2013-07-30 | 2016-01-06 | 中国矿业大学(北京) | To working face cooling and the apparatus and method for utilizing heat energy in a kind of mining process |
| CN107191214A (en) * | 2017-05-18 | 2017-09-22 | 中国矿业大学 | A kind of High-geotemperature place cooling generating integrated system |
| CN108915754A (en) * | 2018-08-02 | 2018-11-30 | 北京建筑大学 | The dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel |
| CN109026121A (en) * | 2018-08-02 | 2018-12-18 | 北京建筑大学 | Shallow-layer cold energy recycles mine cooling dehumidifying and waste heat utilization system |
| CN108915754B (en) * | 2018-08-02 | 2020-10-16 | 北京建筑大学 | Shallow cold energy circulating cooling dehumidification and waste heat utilization system for mine excavation roadway |
| CN110043313A (en) * | 2019-04-18 | 2019-07-23 | 太原向明智能装备股份有限公司 | One kind is provided multiple forms of energy to complement each other coal mine methane heat pump wellhead anti-freezing system |
| CN113776208A (en) * | 2021-09-13 | 2021-12-10 | 郝同法 | Ground source heat comprehensive utilization system and heat supply method |
| CN114608219A (en) * | 2022-01-24 | 2022-06-10 | 中国矿业大学 | Cold and hot conversion cyclic utilization system of high temperature mine water resource |
| CN114608219B (en) * | 2022-01-24 | 2022-11-04 | 中国矿业大学 | Cold and hot conversion cyclic utilization system of high temperature mine water resource |
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