CN209925022U - Energy-saving device for multistage heat-extraction of ventilation air methane and multistage heat-preservation and multistage heating of well head - Google Patents
Energy-saving device for multistage heat-extraction of ventilation air methane and multistage heat-preservation and multistage heating of well head Download PDFInfo
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- CN209925022U CN209925022U CN201920496969.0U CN201920496969U CN209925022U CN 209925022 U CN209925022 U CN 209925022U CN 201920496969 U CN201920496969 U CN 201920496969U CN 209925022 U CN209925022 U CN 209925022U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 97
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 238000004321 preservation Methods 0.000 title claims abstract description 12
- 238000000605 extraction Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003245 coal Substances 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an economizer of multistage heat of getting of ventilation air methane to well head heat preservation multistage heating, including ventilation air exhaust room and new trend room, the ventilation air methane well head has been seted up to the bottom in ventilation air exhaust room, the inboard fixed mounting of ventilation air methane well head has mine ventilation air exhaust fan, the left lower extreme fixed mounting in ventilation air exhaust room has first anti-wind electrically operated gate, the right side in ventilation air exhaust room is provided with ventilation air methane filtration system. The utility model discloses a ventilation air methane filtration system, a heat exchanger, air source heat pump, the evaporimeter, the new trend machine, new trend heat exchange element, the finned tube heating cabinet, finned tube heat exchange element, the hot-water pump, the cold coal pump, the cooperation of compressor and condenser, can effectually carry out temperature conversion to the ventilation air methane, retrieve the heat of conversion simultaneously and recycle, in order to reach energy-concerving and environment-protective effect, current ventilation air methane adoption boiler steam of having solved, with the process of steam heating new trend, not only environmental protection effect is unsatisfactory, and can't play the problem of energy-conserving effect.
Description
Technical Field
The utility model relates to a technical field is handled to the ventilation air methane, specifically is a multistage economizer who gets heat to the multistage heating of well head heat preservation of ventilation air methane.
Background
The ventilation air is also called coal mine air exhaust gas, the methane concentration is lower than 0.75 percent of coal mine gas, the ventilation air of the coal mine is waste air, the temperature is 8-20 ℃, the temperature is higher than that of outdoor fresh air at-35 to-10 ℃ in winter, the ventilation air contains a large amount of heat, the fresh air well of the coal mine needs to supplement a large amount of fresh air in winter, the fresh air of the coal mine needs to meet the requirement of more than 2 ℃ according to the coal mine requirement, but the existing ventilation air adopts a process of heating the fresh air by using boiler steam, the environment-friendly effect is not ideal, and the energy-saving effect cannot be achieved, therefore, the energy-saving device for multistage heat extraction of ventilation air to multistage heat preservation and multistage heating of a well head is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an economizer of multistage heat of getting of ventilation air methane to well head heat preservation multistage heating possesses energy-conserving advantage, has solved current ventilation air methane and has adopted the boiler to burn steam, with the process of steam heating new trend, and not only environmental protection effect is unsatisfactory, can't play the problem of energy-conserving effect moreover.
In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving device for multistage heat extraction of ventilation air to multistage heat preservation and multistage heating of a well head comprises an air exhaust room and a fresh air room, wherein the bottom of the air exhaust room is provided with a ventilation air well head, the inner side of the ventilation air well head is fixedly provided with a mine ventilation air exhaust fan, the lower end of the left side of the air exhaust room is fixedly provided with a first anti-wind electric door, the right side of the air exhaust room is provided with a ventilation air filtering system, one end of the ventilation air filtering system, which is far away from the air exhaust room, is communicated with a ventilation air heat pipe, the inner cavity of the ventilation air heat pipe is fixedly provided with a heat exchanger, the right side of the ventilation air heat pipe is communicated with an air source heat pump through a pipeline, the inner cavity of the air source heat pump is fixedly provided with an evaporator, the right side of the air source heat pump is fixedly provided with a ventilation air exhaust fan, the left end of the bottom of the evaporator is movably provided with an, the fresh air inlet has been seted up to the bottom in fresh air room, the right side fixed mounting in fresh air room has the anti-wind electrically operated gate of second, there is the finned tube heating cabinet in the left side in fresh air room through the pipeline intercommunication, the inner chamber fixed mounting of finned tube heating cabinet has finned tube heat transfer component, the left side intercommunication of finned tube heating cabinet has the fresh air heat pipe, the left side fixed mounting of fresh air heat pipe has fresh air machine, the inner chamber fixed mounting of fresh air heat pipe has fresh air heat transfer component.
Preferably, the condenser is communicated with the finned tube heat exchange element through a pipeline, and the hot water pump is movably mounted on the inner surface of the pipeline.
Preferably, the heat exchanger is communicated with the fresh air heat exchange element through a pipeline, and the coal cooling pump is movably arranged on the inner surface of the pipeline.
Preferably, the first and second leeward electrically operated doors are identical in shape.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a ventilation air methane filtration system, a heat exchanger, air source heat pump, the evaporimeter, the new trend machine, new trend heat exchange element, the finned tube heating cabinet, finned tube heat exchange element, the hot-water pump, the cold coal pump, the cooperation of compressor and condenser, can effectually carry out temperature conversion to the ventilation air methane, retrieve the heat of conversion simultaneously and recycle, in order to reach energy-concerving and environment-protective effect, current ventilation air methane adoption boiler steam of having solved, with the process of steam heating new trend, not only environmental protection effect is unsatisfactory, and can't play the problem of energy-conserving effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the system comprises a ventilation house 1, a ventilation wellhead 2, a first counter-wind electric door 3, a ventilation fan exhauster for 4 mines, a ventilation air filtering system 5, a ventilation air heat pipe 6, a heat exchanger 7, an air source heat pump 8, an evaporator 9, a ventilation fan 10, a fresh air fan 11, a fresh air heat exchange element 12, a fresh air heat pipe 13, a finned tube heating box 14, a finned tube heat exchange element 15, a fresh air house 16, a second counter-wind electric door 17, a fresh air inlet 18, a hot water pump 19, a coal cooling pump 20, a compressor 21, a condenser 22 and an expansion valve 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an energy saving device for multistage ventilation air methane heat-extraction and multistage well head heat-preservation heating comprises an air exhaust room 1 and a fresh air room 16, wherein the bottom of the air exhaust room 1 is provided with a ventilation air methane well head 2, the inner side of the ventilation air methane well head 2 is fixedly provided with a mine ventilation air methane exhaust fan 4, the lower end of the left side of the air exhaust room 1 is fixedly provided with a first anti-wind electric door 3, the first anti-wind electric door 3 and a second anti-wind electric door 17 are in the same shape, the right side of the air exhaust room 1 is provided with a ventilation air methane filtering system 5, one end of the ventilation air methane filtering system 5 far away from the air exhaust room 1 is communicated with a ventilation air methane heat pipe 6, the inner cavity of the ventilation air methane heat pipe 6 is fixedly provided with a heat exchanger 7, the heat exchanger 7 is communicated with a fresh air heat exchange element 12 through a pipeline, a cold coal pump 20 is movably arranged on the inner surface of the pipeline, the, the exhaust fan 10 is fixedly arranged on the right side of the air source heat pump 8, the expansion valve 23 is movably arranged at the left end of the bottom of the evaporator 9, the condenser 22 is fixedly arranged at the lower end of the inner cavity of the air source heat pump 8, the condenser 22 is communicated with the finned tube heat exchange element 15 through a pipeline, the hot water pump 19 is movably arranged on the inner surface of the pipeline, the temperature conversion can be effectively carried out on the exhaust air, and the converted heat can be recycled to achieve the effects of energy saving and environment protection, so that the problems that the existing exhaust air is heated by steam in a boiler, the fresh air is heated by the steam, the environment-friendly effect is not ideal, and the energy saving effect cannot be achieved are solved, the compressor 21 is fixedly arranged at the lower end of the inner cavity of the air source heat pump 8 and positioned on the right side of the condenser 22, the fresh air inlet 18 is arranged at, the left side of the fresh air room 16 is communicated with a finned tube heating box 14 through a pipeline, a finned tube heat exchange element 15 is fixedly mounted in an inner cavity of the finned tube heating box 14, a fresh air heat pipe 13 is communicated with the left side of the finned tube heating box 14, a fresh air fan 11 is fixedly mounted on the left side of the fresh air heat pipe 13, and a fresh air heat exchange element 12 is fixedly mounted in an inner cavity of the fresh air heat pipe 13.
When the system is used, a compressor 21 is utilized to compress high-temperature and high-pressure refrigerant, the refrigerant enters a condenser 22 to release heat into water, the cooled refrigerant is changed into low-temperature liquid refrigerant, the low-temperature liquid refrigerant enters an evaporator 9 through an expansion valve 23, the liquid refrigerant absorbs ventilation air methane heat to be vaporized and is changed into low-temperature gaseous refrigerant, the refrigerant enters the compressor 21 to be compressed, the flow of the refrigerant is circulated in such a way that the heat of ventilation air methane is subjected to waste heat recovery and is applied work through the compressor 21 to convert energy into hot water, the hot water is further heated, ventilation air methane at the temperature of 8-20 ℃ is pumped out by a mine ventilation air methane exhaust fan 4 and enters a ventilation air methane room to be guided to enter a ventilation air methane filtering system 5, the ventilation air methane filtering system 5 is a filter, a large amount of dust is filtered, the filtered ventilation air methane enters a heat exchanger 7 in a ventilation air methane heat pipe 6, and, the ventilation air is cooled to 0-2 ℃, the heat exchanger 7 transfers heat to a refrigerant, the temperature of the refrigerant is raised, the ventilation air at 0-2 ℃ enters the air source heat pump 8 again, the ventilation air exchanges heat with the condenser 22, the heat of the ventilation air is absorbed by the condenser 22 and then becomes ventilation air at-2 to-10 ℃ and then is discharged to the outside by the ventilation air fan 10, the process of changing the ventilation air at 8-20 ℃ into ventilation air at-2 to-10 ℃ through multiple heating is completed, therefore, the process is that the ventilation air at-35 to-10 ℃ is sucked into the fresh air heat exchange element 12 in the fresh air heat pipe 13 by the fresh air fan 11 and exchanges heat with the fresh air heat exchange element 38, the heat is released after the high-temperature heat exchange and becomes a low-temperature refrigerant, the heat is absorbed by the fresh air after the heat exchange and becomes fresh air at-10 to-2 ℃, the process is primary heating, namely, the process of primary heating is completed, the heated fresh air enters the finned tube heating box 14 again, the fresh air exchanges heat with the finned tube heat exchange element 15, the hot water at 45-55 ℃ from the finned tube heat exchange element 15 releases heat and becomes hot water at 35-45 ℃, the fresh air at-10-2 ℃ absorbs heat and becomes fresh air at 2-10 ℃, so the process of secondarily heating the fresh air is completed, the fresh air enters the fresh air room 16, is guided to enter the fresh air inlet 18 and becomes mine fresh air at 2-10 ℃, and the process of heating the fresh air at-35-10 ℃ for multiple times to become fresh air at 2-10 ℃ is completed, therefore, the process is heating for multiple times, high-temperature refrigerant is sent to the fresh air heat exchange element 12 in the fresh air heat tube 13 through the cold coal pump 20, exchanges heat with the fresh air heat exchange element 12 to release heat and becomes low-temperature refrigerant, and enters the heat exchanger 7 in the inner cavity of the ventilation air, absorbing heat to become high-temperature refrigerant, returning to a coal-cooling pump 20, thus completing a cycle process, converting the heat of ventilation air into the heat of fresh air, namely a process of primary heat extraction and primary heating, wherein 45-55 ℃ hot water is sent to a finned tube heating box 14 through a hot water pump 19 to exchange heat with a finned tube heat exchange element 15, releasing heat to become 35-45 ℃ hot water, the hot water enters a condenser 22 of an air source heat pump 8 through a pipeline to exchange heat, absorbing heat to become 45-55 ℃ hot water, and enters the hot water pump 19 through the pipeline, thus completing the process of further absorbing the heat of ventilation air and simultaneously heating the fresh air for one time, namely a process of secondary heat extraction and secondary heating, a second anti-air electric door 17 is additionally arranged in a fresh air room, a first anti-air electric door 3 is additionally arranged in the ventilation air room for mine safety protection, and the heat of ventilation air is larger or the heat required by the fresh air is smaller, the process of one-level heating and one-level heating can be adopted, the problems that the existing ventilation air adopts a boiler to burn steam, and the process of heating fresh air by steam is not only unsatisfactory in environmental protection effect, but also cannot play a role in energy conservation are solved.
In summary, the following steps: this economizer of mine ventilation air heat pipe and multistage heating of heat pump, through ventilation air filtration system 5, heat exchanger 7, air source heat pump 8, evaporimeter 9, new fan 11, new trend heat exchange element 12, finned tube heating cabinet 14, finned tube heat exchange element 15, hot-water pump 19, cold coal heat pump 20, the cooperation of compressor 21 and condenser 22, can effectually carry out temperature conversion to the ventilation air, the heat that will convert is retrieved simultaneously and is recycled, in order to reach energy-concerving and environment-protective effect, the current ventilation air adopts boiler steam, with the process of steam heating new trend, not only environmental protection effect is unsatisfactory, and can't play the problem of energy-conserving effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an economizer of multistage heat of getting of ventilation air methane to well head heat preservation multistage heating, includes ventilation air room (1) and new trend room (16), its characterized in that: the ventilation air heating system is characterized in that a ventilation air well mouth (2) is formed in the bottom of the ventilation air room (1), a mine ventilation air exhaust fan (4) is fixedly mounted on the inner side of the ventilation air well mouth (2), a first anti-wind electric door (3) is fixedly mounted at the left lower end of the ventilation air room (1), a ventilation air filtering system (5) is arranged on the right side of the ventilation air room (1), one end, far away from the ventilation air room (1), of the ventilation air filtering system (5) is communicated with a ventilation air heat pipe (6), a heat exchanger (7) is fixedly mounted in an inner cavity of the ventilation air heat pipe (6), the right side of the ventilation air heat pipe (6) is communicated with an air source heat pump (8) through a pipeline, an evaporator (9) is fixedly mounted in the inner cavity of the air source heat pump (8), a ventilation air exhaust fan (10) is fixedly mounted on the right side of the air source heat pump (8), and, the utility model discloses an air source heat pump (8) air conditioning system, including air source heat pump (8), the lower extreme of inner chamber and the right side fixed mounting who is located condenser (22) have compressor (21), new trend air intake (18) have been seted up to the bottom in new trend room (16), the right side fixed mounting in new trend room (16) has anti-wind electrically operated gate of second (17), the left side in new trend room (16) has finned tube heating cabinet (14) through the pipeline intercommunication, the inner chamber fixed mounting of finned tube heating cabinet (14) has finned tube heat exchange element (15), the left side intercommunication of finned tube heating cabinet (14) has new trend heat pipe (13), the left side fixed mounting of new trend heat pipe (13) has new trend fan (11), the inner chamber fixed mounting of new trend heat pipe (13) has new trend heat.
2. The energy-saving device for multistage heat extraction of ventilation air methane and multistage heat preservation and heating of a wellhead as claimed in claim 1, is characterized in that: the condenser (22) is communicated with the finned tube heat exchange element (15) through a pipeline, and the hot water pump (19) is movably arranged on the inner surface of the pipeline.
3. The energy-saving device for multistage heat extraction of ventilation air methane and multistage heat preservation and heating of a wellhead as claimed in claim 1, is characterized in that: the heat exchanger (7) is communicated with the fresh air heat exchange element (12) through a pipeline, and the coal cooling pump (20) is movably arranged on the inner surface of the pipeline.
4. The energy-saving device for multistage heat extraction of ventilation air methane and multistage heat preservation and heating of a wellhead as claimed in claim 1, is characterized in that: the first anti-wind electric door (3) and the second anti-wind electric door (17) are the same in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496969.0U CN209925022U (en) | 2019-04-13 | 2019-04-13 | Energy-saving device for multistage heat-extraction of ventilation air methane and multistage heat-preservation and multistage heating of well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496969.0U CN209925022U (en) | 2019-04-13 | 2019-04-13 | Energy-saving device for multistage heat-extraction of ventilation air methane and multistage heat-preservation and multistage heating of well head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925022U true CN209925022U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920496969.0U Expired - Fee Related CN209925022U (en) | 2019-04-13 | 2019-04-13 | Energy-saving device for multistage heat-extraction of ventilation air methane and multistage heat-preservation and multistage heating of well head |
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| CN (1) | CN209925022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635743A (en) * | 2022-04-01 | 2022-06-17 | 青阳县来龙方解石矿业有限责任公司 | Mine ventilation air methane heat energy utilization device |
-
2019
- 2019-04-13 CN CN201920496969.0U patent/CN209925022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635743A (en) * | 2022-04-01 | 2022-06-17 | 青阳县来龙方解石矿业有限责任公司 | Mine ventilation air methane heat energy utilization device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200110 |