CN104748441A - Subway waste heat recovery system using thin-shell heat exchanger - Google Patents
Subway waste heat recovery system using thin-shell heat exchanger Download PDFInfo
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- CN104748441A CN104748441A CN201510159301.3A CN201510159301A CN104748441A CN 104748441 A CN104748441 A CN 104748441A CN 201510159301 A CN201510159301 A CN 201510159301A CN 104748441 A CN104748441 A CN 104748441A
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- valve
- heat exchanger
- heat
- shell
- condenser
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- 239000002918 waste heat Substances 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004080 punching Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 241000589248 Legionella Species 0.000 description 1
- 208000007764 Legionnaires' Disease Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Road Paving Structures (AREA)
Abstract
A subway waste heat recovery system using a thin-shell heat exchanger is disclosed, wherein a front-end heat exchange system of the thin-shell heat exchanger comprises a thin-shell front-end heat exchanger 5 paved on a tunnel concrete layer, a thin-shell front-end heat exchanger 6 in air on the surface of a tunnel, and circulating water pumps 8 and 9; the water source heat pump system comprises a compressor, an evaporator comprising interfaces a, b, c and d, a throttle valve and a condenser comprising interfaces e, f, g, h, i and j; the heat exchange system at the tail end in the station comprises a thin-shell heat exchanger 7 and a circulating water pump 10; the whole system is connected with the valve through the pipeline, the defects of the arrangement of the cooling tower and the difficulty of conventional punching of the ground source heat pump system are overcome, the environment quality in the subway can be improved, the waste heat emission to the environment is reduced, and the invention has the advantages of low manufacturing cost, high heat exchange efficiency, environmental protection, economy, high efficiency and the like.
Description
Technical field
The present invention relates to a kind of WHRS utilizing capillary shell heat exchanger, particularly a kind of capillary air-source/soil source heat pump system be applied in subway tunnel.
Background technology
Along with becoming increasingly conspicuous of the problems such as traffic congestion, environmental pollution and energy crisis in world wide, Urban Rail Transit Development more and more causes the great attention of countries in the world.Subway is because it is safe, comfortable, fast, on schedule, large, the low energy consumption of handling capacity of passengers and oligosaprobic feature more and more favored.
Along with a large amount of construction and the develop rapidly of city of the world's subway, people more and more pay close attention to the quality problems of metro environment.Due to Piston Action Wind distinctive in subway tunnel, and train brake, locomotive air conditioner heat production and a large amount of electromechanical equipments, personnel, illumination etc. heat production, to make in subway station in the winter time with conditioning in Transition Season substantially without the need to heat supply, summer then needs cooling.The cooling mode that in subterranean tunnel, (subway station in) is traditional is mainly by refrigeration machine and be located at ground cooling tower, by the thermal release of (in platform) in tunnel in surface air.The offering question of this systems Problems existing mainly cooling tower.Due to subway line the busiest section, Duo Shi city, region of process, ground arranged the limited space of cooling tower or do not have at all, and cooling tower installation is not only affected urban look and planning on the ground, return surrounding environment and bring noise pollution and health concerns.Domestic in Guangzhou and Shanghai etc. ground-to-ground the investigation of iron air conditioner cooling tower fungi pollution situation show, part subway station air conditioner cooling water legionella contaminated situation is comparatively serious, easily causes transmission of disease.
In order to solve the offering question of subway station cooling tower, reduce the impact on ground landscape, noise pollution etc., heat pump techniques becomes the important means of strengthening energy utilization rate, is the effective way obtaining regenerative resource and maintaining ecological balance.Subterranean tunnel and subway station are substantially all in below underground constant zone of subsurface temperature; the long-term substantially constant of temperature of underground; be applicable to very much the application of heat pump, also can reduce the capacity of cooling tower or avoid arranging cooling tower, but around subterranean tunnel, having a series of structural strengthening and safeguard measure.Study novel heat-exchanger rig for metro environment, also have larger practical significance to the utilization of subterranean tunnel heat energy.
Summary of the invention
For solving above-mentioned the deficiencies in the prior art, the present invention proposes a kind of WHRS utilizing capillary shell heat exchanger, overcome the setting of cooling tower and the deficiency of soil source heat pump system routine punching difficulty, there is cost low, the advantages such as heat exchange efficiency is high, environmental protection, economical and efficient, and can summer to subterranean tunnel station cooling, winter is to ground building heating.
For achieving the above object, technical scheme of the present invention is:
A kind of subway WHRS utilizing shell heat exchanger, it is characterized in that directly reclaiming subway used heat, in the soil of rock stratum, heat-obtaining comprises capillary network front end heat-exchange system, water source heat pump system, capillary end heat-exchange system as heat supplement and summer cooling winter; Wherein capillary network front end heat-exchange system comprise be layed in tunnel concrete layer shell front end heat exchanger (5), shell front end heat exchanger (6) in tunnel surface air, water circulating pump (8), (9); Water source heat pump system comprises compressor (2), comprises the evaporimeter of interface a, b, c, d, choke valve and the condenser comprising interface e, f, g, h, i, j; In standing, end heat-exchange system comprises capillary end heat exchanger (7) and water circulating pump (10).
Whole system is connected with valve by pipeline, and the outlet of compressor (2) is held with the e of condenser (3) and is connected, and the j of condenser (3) end to be held with the c of evaporimeter (1) by choke valve (4) and is connected, and the b of evaporimeter (1) holds and is connected with compressor (2); The a end of evaporimeter (1) is by valve E, again respectively by branch road valve A water circulating pump 8, valve C water circulating pump 9 and the arrival end being connected shell heat exchanger (5), (6), the port of export of shell heat exchanger (5), (6) to be held with the d of evaporimeter respectively by branch road valve B, D and valve F and is connected; The f end of condenser (3) is connected with the port of export of end heat exchanger (7) by valve K and water circulating pump (10), and the other end of end heat exchanger (7) is held with the i of condenser (3) by valve L and is connected; The g end of condenser (3) is connected with the pipeline between valve A, C and valve E by valve G, and the h end of condenser (3) is connected with the pipeline between valve B, D and valve F by valve J; One end of valve H connects pipeline between valve E and evaporimeter (1) interface a, and the other end connects pipeline between water circulating pump and valve K; One end of valve I connects pipeline between valve F and evaporimeter (1) interface d, and the other end connects pipeline between valve L and end heat exchanger (7).
Described a kind of subway WHRS utilizing shell heat exchanger, it is characterized in that, in described capillary network front end heat-exchange system, capillary end heat-exchange system, capillary spacing is 10mm, 20mm or 40mm, tubing is ppr tubing or pe-rt tubing.
Described a kind of subway WHRS utilizing shell heat exchanger, it is characterized in that, described capillary network front end parallel operation (5) is placed on subterranean tunnel crag, and distance tunnel wall outer surface 10-50cm, capillary leading portion heat exchanger (6) is placed in tunnel wall outer surface 0-10cm.
Described a kind of subway WHRS utilizing shell heat exchanger, is characterized in that: winter or summer utilizes valve pipeline to be switched to the transformation realizing heating and cooling.
Accompanying drawing illustrates:
Accompanying drawing is structural representation of the present invention.
Wherein: 1-evaporimeter, 2-compressor, 3-condenser, 4-choke valve, 5,6-shell front end heat exchanger, 7-shell end heat exchanger, 8,9,10-water circulating pump, A-L-valve.
Detailed description of the invention:
Below in conjunction with accompanying drawing, structure and working principle of the present invention is described in further detail.
A kind of subway WHRS utilizing shell heat exchanger, it is characterized in that directly reclaiming subway used heat, in the soil of rock stratum, heat-obtaining comprises capillary network front end heat-exchange system, water source heat pump system, capillary end heat-exchange system as heat supplement and summer cooling winter; Wherein capillary network front end heat-exchange system comprise be layed in tunnel concrete layer shell front end heat exchanger (5), shell front end heat exchanger (6) in tunnel surface air, water circulating pump (8), (9); Water source heat pump system comprises compressor (2), comprises the evaporimeter of interface a, b, c, d, choke valve and the condenser comprising interface e, f, g, h, i, j; In standing, end heat-exchange system comprises capillary end heat exchanger (7) and water circulating pump (10).
Whole system is connected with valve by pipeline, and the outlet of compressor (2) is held with the e of condenser (3) and is connected, and the j of condenser (3) end to be held with the c of evaporimeter (1) by choke valve (4) and is connected, and the b of evaporimeter (1) holds and is connected with compressor (2); The a end of evaporimeter (1) is by valve E, again respectively by branch road valve A water circulating pump 8, valve C water circulating pump 9 and the arrival end being connected shell heat exchanger (5), (6), the port of export of shell heat exchanger (5), (6) to be held with the d of evaporimeter respectively by branch road valve B, D and valve F and is connected; The f end of condenser (3) is connected with the port of export of end heat exchanger (7) by valve K and water circulating pump (10), and the other end of end heat exchanger (7) is held with the i of condenser (3) by valve L and is connected; The g end of condenser (3) is connected with the pipeline between valve A, C and valve E by valve G, and the h end of condenser (3) is connected with the pipeline between valve B, D and valve F by valve J; One end of valve H connects pipeline between valve E and evaporimeter (1) interface a, and the other end connects pipeline between water circulating pump and valve K; One end of valve I connects pipeline between valve F and evaporimeter (1) interface d, and the other end connects pipeline between valve L and end heat exchanger (7).
Described a kind of subway WHRS utilizing shell heat exchanger, it is characterized in that, in described capillary network front end heat-exchange system, capillary end heat-exchange system, capillary spacing is 10mm, 20mm or 40mm, tubing is ppr tubing or pe-rt tubing.
Described a kind of subway WHRS utilizing shell heat exchanger, it is characterized in that, described capillary network front end parallel operation (5) is placed on subterranean tunnel crag, and distance tunnel wall outer surface 10-50cm, capillary leading portion heat exchanger (6) is placed in tunnel wall outer surface 0-10cm.
Described a kind of subway WHRS utilizing shell heat exchanger, is characterized in that: winter or summer utilizes valve pipeline to be switched to the transformation realizing heating and cooling.
Operation principle of the present invention is:
In the winter time during heat supply, valve C, D, E, F, K, L open, and valve A, B, G, H, I, J close, and water circulating pump 9,10 is opened, and water circulating pump 8 cuts out.The refrigerant gas of the HTHP that compressor 2 is discharged enters in condenser 3, release heat, hot water preparing, hot water is to shell pipe end heat exchanger 7 release heat, for superstructure heating, refrigerant gas condensation simultaneously becomes liquid, refrigerant liquid enters evaporimeter 1 evaporation endothermic by choke valve 4, with the heat-exchange system heat exchange of shell front end in evaporimeter 1, absorb the heat of water in the heat-exchange system of shell front end, water in the heat-exchange system of shell front end reclaims subway used heat by shell front end heat exchanger 6, simultaneously, refrigerant liquid heat absorption becomes refrigerant gas, refrigerant gas enters compressor 2 and completes and heat circulation.If need heat can open valve A, B more greatly, water circulating pump 8, utilize shell heat exchanger 5 from soil heat-obtaining as heat supplement.
When summer cooling, valve A, B, G, H, I, J open, and valve C, D, E, F, K, L close, and water circulating pump 8,10 is opened.The refrigerant gas of the HTHP that compressor 2 is discharged enters condenser 3, cool heat release in condenser 3 after by thermal release to the heat transferring medium in shell front end heat exchanger 5, shell front end heat exchanger 5 again with tunnel wall soil to execute heat exchange, finally reject heat in subway tunnel, wherein, part heat dissipation is in tunnel wall soil, and another part is then pulled away by the Piston Action Wind of subterranean tunnel.Meanwhile, the refrigerant gas condensation in condenser 3 becomes refrigerant liquid, and refrigerant liquid is by choke valve 4, after entering evaporimeter 1, in evaporimeter 1, evaporation absorbs heat, produces chilled water, chilled water is transported to shell end heat exchanger 7 by circulating pump 10, is interior cooling of standing.
Claims (4)
1. one kind utilizes the subway WHRS of shell heat exchanger, it is characterized in that directly reclaiming subway used heat, in the soil of rock stratum, heat-obtaining comprises capillary network front end heat-exchange system, water source heat pump system, capillary end heat-exchange system as heat supplement and summer cooling winter; Wherein capillary network front end heat-exchange system comprise be layed in tunnel concrete layer shell front end heat exchanger (5), shell front end heat exchanger (6) in tunnel surface air, water circulating pump (8), (9); Water source heat pump system comprises compressor (2), comprises the evaporimeter of interface a, b, c, d, choke valve and the condenser comprising interface e, f, g, h, i, j; In standing, end heat-exchange system comprises capillary end heat exchanger (7) and water circulating pump (10); Whole system is connected with valve by pipeline, and the outlet of compressor (2) is held with the e of condenser (3) and is connected, and the j of condenser (3) end to be held with the c of evaporimeter (1) by choke valve (4) and is connected, and the b of evaporimeter (1) holds and is connected with compressor (2); The a end of evaporimeter (1) is by valve E, again respectively by branch road valve A water circulating pump 8, valve C water circulating pump 9 and the arrival end being connected shell heat exchanger (5), (6), the port of export of shell heat exchanger (5), (6) to be held with the d of evaporimeter respectively by branch road valve B, D and valve F and is connected; The f end of condenser (3) is connected with the port of export of end heat exchanger (7) by valve K and water circulating pump (10), and the other end of end heat exchanger (7) is held with the i of condenser (3) by valve L and is connected; The g end of condenser (3) is connected with the pipeline between valve A, C and valve E by valve G, and the h end of condenser (3) is connected with the pipeline between valve B, D and valve F by valve J; One end of valve H connects pipeline between valve E and evaporimeter (1) interface a, and the other end connects pipeline between water circulating pump and valve K; One end of valve I connects pipeline between valve F and evaporimeter (1) interface d, and the other end connects pipeline between valve L and end heat exchanger (7).
2. a kind of subway WHRS utilizing shell heat exchanger as claimed in claim 1, it is characterized in that, in described capillary network front end heat-exchange system, capillary end heat-exchange system, capillary spacing is 10mm, 20mm or 40mm, and tubing is ppr tubing or pe-rt tubing.
3. a kind of subway WHRS utilizing shell heat exchanger as claimed in claim 1, it is characterized in that, described capillary network front end parallel operation (5) is placed on subterranean tunnel crag, distance tunnel wall outer surface 10-50cm, capillary leading portion heat exchanger (6) is placed in tunnel wall outer surface 0-10cm.
4. a kind of subway WHRS utilizing shell heat exchanger as claimed in claim 1, is characterized in that: winter or summer utilizes valve pipeline to be switched to the transformation realizing heating and cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159301.3A CN104748441A (en) | 2015-04-07 | 2015-04-07 | Subway waste heat recovery system using thin-shell heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159301.3A CN104748441A (en) | 2015-04-07 | 2015-04-07 | Subway waste heat recovery system using thin-shell heat exchanger |
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| CN104748441A true CN104748441A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510159301.3A Pending CN104748441A (en) | 2015-04-07 | 2015-04-07 | Subway waste heat recovery system using thin-shell heat exchanger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382767A (en) * | 2016-08-30 | 2017-02-08 | 湖南中大经纬地热开发科技有限公司 | Comprehensive utilization system for terrestrial heat of underground water-lacked region |
| CN106869983A (en) * | 2017-01-17 | 2017-06-20 | 西安建筑科技大学 | A kind of subway tunnel aeration control method |
| CN108413539A (en) * | 2018-06-05 | 2018-08-17 | 河北工业大学 | Intelligent aeration air-conditioning system and its operation method applied to Environmental Control System of Metro |
| CN113531953A (en) * | 2021-09-17 | 2021-10-22 | 同方德诚(山东)科技股份公司 | Linkage control method for multi-energy cooling and heating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382767A (en) * | 2016-08-30 | 2017-02-08 | 湖南中大经纬地热开发科技有限公司 | Comprehensive utilization system for terrestrial heat of underground water-lacked region |
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| CN106869983A (en) * | 2017-01-17 | 2017-06-20 | 西安建筑科技大学 | A kind of subway tunnel aeration control method |
| CN106869983B (en) * | 2017-01-17 | 2018-11-20 | 西安建筑科技大学 | A kind of subway tunnel aeration control method |
| CN108413539A (en) * | 2018-06-05 | 2018-08-17 | 河北工业大学 | Intelligent aeration air-conditioning system and its operation method applied to Environmental Control System of Metro |
| CN108413539B (en) * | 2018-06-05 | 2023-07-21 | 河北工业大学 | Intelligent ventilation air conditioning system applied to subway environmental control system and operation method thereof |
| CN113531953A (en) * | 2021-09-17 | 2021-10-22 | 同方德诚(山东)科技股份公司 | Linkage control method for multi-energy cooling and heating |
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