CN107339687B - It is a kind of to utilize gas compressor waste heat for station area's heating technique - Google Patents

It is a kind of to utilize gas compressor waste heat for station area's heating technique Download PDF

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Publication number
CN107339687B
CN107339687B CN201611265107.4A CN201611265107A CN107339687B CN 107339687 B CN107339687 B CN 107339687B CN 201611265107 A CN201611265107 A CN 201611265107A CN 107339687 B CN107339687 B CN 107339687B
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CN
China
Prior art keywords
heat exchanger
gas compressor
station area
pipeline
heating
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Expired - Fee Related
Application number
CN201611265107.4A
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Chinese (zh)
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CN107339687A (en
Inventor
武建飞
黄满春
王彬
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Shanghai Shengyu Technology Co Ltd
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Shanghai Shengyu Technology Co Ltd
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Priority to CN201611265107.4A priority Critical patent/CN107339687B/en
Publication of CN107339687A publication Critical patent/CN107339687A/en
Application granted granted Critical
Publication of CN107339687B publication Critical patent/CN107339687B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/50Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/02Hot-water central heating systems with forced circulation, e.g. by pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/16Waste heat
    • F24D2200/18Flue gas recuperation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00Components of central heating installations excluding heat sources
    • F24D2220/06Heat exchangers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Air Supply (AREA)

Abstract

It is station area's heating technique that the present invention provides a kind of using gas compressor waste heat, belongs to the technical field of using energy source.It is a kind of using gas compressor waste heat be station area's heating technique include gas compressor, cooling heat exchanger, boiler system, smoke condensation device and heat load;Cooling heat exchanger is arranged in the present invention in the cooling system of gas compressor, and cooling heat exchanger is connect with boiler system, realizes the recycling for discarding the energy to gas compressor part, improves boiler feed temperature, more energy saving;The smoke evacuation of gas compressor tail portion is connect by three-way control valve with smoke condensation device, heat exchange is more able to achieve while improving safety;Smoke condensation device is connect with station area's heating system and heat exchanger, guarantees in winter for the heating of station area, is that Produced Liquid or wet crude heat in summer, energy utilization rate is higher;By the way that valve is arranged, controllability and safety are improved.

Description

It is a kind of to utilize gas compressor waste heat for station area's heating technique
Technical field
The present invention relates to the technical field of using energy source, it is specifically related to a kind of adopt using gas compressor waste heat for station area Warm technique.
Background technique
Gas compressor is the capital equipment at natural gas processing station, is consumed energy larger, heat loss is also larger, fuel availability It is low.The energy utilization rate for how improving gas compressor is the main problem that the energy conservation of natural gas processing station faces.
Current gas compressor both domestic and external is mostly developed on the basis of gasoline engine or diesel engine, and fuel is (natural Gas) chemical energy be converted into the mechanical energy of compressor in such a way that hot merit converts, for by technique natural gas compressing.At this Technique natural gas compressing boosts and heats up in the process, the high-temperature flue gas row Xiang great Qi generated after fuel natural gas burning.
Technique natural gas needs just to can enter next process flow after cooling down, and scene is dropped frequently with air-cooled cooler Temperature, this partial heat have been discharged into environment in vain by air, have not been utilized.The high-temperature flue gas of gas compressor is discharged fume Temperature is directly discharged to atmosphere generally between 380~420 DEG C, and energy loss is serious, and also creates thermal pollution and other The discharge of pollutant.
If the two main heat loss can be utilized, the exhaust gas temperature of gas compressor is reduced to 130 DEG C Or condensation point is hereinafter, the heat recovery and utilization for simultaneously being discharged natural gas cooling using cold source, so that it may by natural gas energy resource benefit It is improved with rate to 70% or more, it is big that waste heat recycles potentiality.
Mainly there are winter heating, production to be heated with heat and steam boiler water supply with hot spot and cold source in standing, wherein heating is Seasonal heating load;Production is heating Produced Liquid and wet crude with heat, is perennial thermic load;At present by combustion and steam pot Furnace provides, and fuel consumption is big.Steam boiler water supply heating is also perennial load, is not heated at present, after softened and deoxygenation It is sent directly into steam boiler, increases steam boiler fuel consumption.
Summary of the invention
For the above-mentioned problems in the prior art, be now intended to provide it is a kind of using gas compressor waste heat for station area adopt Warm technique is realized by the way that cooling heat exchanger is arranged on the cooling system of gas compressor and carries out heat exchange with boiler feedwater, return The heat of skill of knocking off natural gas cooling release;Smoke condensation device is set in the tail portion of gas compressor, by smoke condensation device It is connect with the heat exchanger on station area's heating system and Produced Liquid or wet crude pipeline to recycle high-temperature flue gas waste heat, and control is set Valve processed switches circulation path;The utilization rate of waste heat that gas compressor can be improved reduces the thermic load of gas-steam boiler, section About resource reduces the discharge of thermal pollution and other pollutants.
Specific technical solution is as follows:
It is a kind of to utilize gas compressor waste heat for station area's heating technique, it has the feature that, comprising: be set to gas pressure Cooling heat exchanger on contracting machine cooling system, and the entrance and exit of cooling heat exchanger passes through pipeline respectively and in boiler system Demineralizer is connected with oxygen-eliminating device, and the tail portion smoke evacuation of gas compressor is connect by pipeline with smoke condensation device, and flue gas condensing Device is connect by pipeline with station area's heating system and the heat exchanger being set on Produced Liquid or wet crude pipeline, and in pipeline The opening and closing of upper several valve control pipelines of setting.
A kind of above-mentioned utilization gas compressor waste heat is station area's heating technique, wherein is discharged fume the tail portion of gas compressor Place is provided with three-way control valve, and three interfaces of three-way control valve are discharged fume with the tail gas of gas compressor respectively, flue gas condensing Device is arranged to the connection of the flue of atmosphere.
A kind of above-mentioned utilization gas compressor waste heat is station area's heating technique, wherein smoke condensation device includes sensible heat Heat exchanger and latent heat exchanger, and sensible heat exchanger and latent heat exchanger are integral type setting.
A kind of above-mentioned utilization gas compressor waste heat is station area's heating technique, wherein smoke condensation device further includes cold Condensation tank, and condensation water tank is set to smoke condensation device bottom.
It is a kind of using gas compressor waste heat be stand area's heating technique it is above-mentioned it is a kind of using gas compressor waste heat be station Area's heating technique, wherein the entrance and exit of sensible heat exchanger respectively with station area's heating system and be set to Produced Liquid or aqueous The outlet of heat exchanger on crude oil pipeline is connected with entrance.
It is above-mentioned it is a kind of using gas compressor waste heat be station area's heating technique, wherein the entrance of latent heat exchanger and go out Mouth respectively by pipeline in boiler system demineralizer and oxygen-eliminating device connect, and the outlet of latent heat exchanger is also and sensible heat transfer The pipeline connection that the area Qi Yuzhan heating system is connected with the heat exchanger being set on Produced Liquid or wet crude pipeline.
It is above-mentioned it is a kind of using gas compressor waste heat be station area's heating technique, wherein sensible heat exchanger and the heating of station area Booster pump is provided on the pipeline that system is connected with the heat exchanger being set on Produced Liquid or wet crude pipeline.
A kind of above-mentioned utilization gas compressor waste heat is station area's heating technique, wherein in the exhaust of smoke condensation device Air-introduced machine is provided on mouthful.
It is above-mentioned it is a kind of using gas compressor waste heat be station area's heating technique, wherein demineralizer in boiler system and By-pass line is provided between oxygen-eliminating device.
A kind of above-mentioned utilization gas compressor waste heat is station area's heating technique, wherein latent heat exchanger and sensible heat transfer Device is one or more combinations of finned tube or other extended surface heat exchanger tubes.
It is above-mentioned it is a kind of using gas compressor waste heat be station area's heating technique, wherein valve is manually, electrically or pneumatic One of or a variety of combinations.
The good effect of above-mentioned technical proposal is: 1, by the way that cooling heat transferring is arranged on the cooling system of gas compressor Boiler soft water in device, with boiler system carries out heat exchange, realizes to the cooling release of gas compressor technique natural gas The recycling of heat improves the temperature of boiler feedwater, reduces the fuel consumption of boiler;2, the tail portion smoke evacuation of gas compressor is logical Piping is connect with smoke condensation device, and heating system and being set to is adopted by the sensible heat exchanger of smoke condensation device and in standing Heat exchanger connection on liquid or wet crude pipeline out, can reduce exhaust gas temperature, and the sensible heat of recovered flue gas mitigates steam boiler Thermic load;3, high-temperature flue gas and be softened water with the sensible heat exchanger intermediate medium of hot spot heat transfer is realized, the area Shi Zhan Steam heating is changed to hot water heating, Produced Liquid or wet crude part heat load and is changed to hot water heating, avoids using steam mistake Danger in journey, substantially increases the safety of system, and reduces the waste of high-grade steam;4, it is situated between among sensible heat exchanger Matter softens water circulation use, saves water resource, while being convenient to be supplemented with steam boiler water supply, so that system is simple, cost It is low;5, the latent heat exchanger of smoke condensation device directly heats steam boiler water supply, further decreases exhaust gas temperature, recovered flue gas In latent heat, energy recovery is more thorough;6, three-way control valve is set between tail portion smoke discharging pipe and smoke condensation device, improves Safety and flexibility;7, it is provided with air-introduced machine on the exhaust outlet of smoke condensation device, newly-increased system can be overcome to hinder well Power keeps smoke evacuation more smooth;8, flexible structure, the energy regenerating that can be suitable for more gas compressors simultaneously utilize, adaptability is good, It is at low cost.
Detailed description of the invention
Fig. 1 is a kind of artwork using the embodiment that gas compressor waste heat is station area's heating technique of the invention;
In attached drawing: 1, gas compressor;2, demineralizer;3, oxygen-eliminating device;4, cooling heat exchanger;5, air-cooled cooler;6, three Logical control valve;7, smoke condensation device;71, sensible heat exchanger;72, latent heat exchanger;73, condensation water tank;74, air-introduced machine;8, It stands area's heating system;9, Produced Liquid or wet crude pipeline;10, heat exchanger;11, booster pump.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention It applies example combination attached drawing 1 to be specifically addressed technical solution provided by the invention, but the following contents is not as the limitation of the invention.
Fig. 1 is a kind of artwork using the embodiment that gas compressor waste heat is station area's heating technique of the invention.Such as Shown in Fig. 1, it includes: combustion that the waste heat provided in this embodiment using gas compressor, which provides station area's heating and the technique of production heat, Air compressor 1, demineralizer 2, oxygen-eliminating device 3, cooling heat exchanger 4, air-cooled cooler 5, three-way control valve 6, smoke condensation device 7, Sensible heat exchanger 71, latent heat exchanger 72, condensation water tank 73, air-introduced machine 74, stand area's heating system 8, Produced Liquid or wet crude Pipeline 9, heat exchanger 10 and booster pump 11.
Specifically, cooling heat exchanger 4 is arranged in the cooling system of gas compressor 1, and cooling heat exchanger 4 is connected to combustion gas It is also connect with boiler (not shown) system while 1 cooling system of compressor, i.e. an entrance and boiler system for cooling heat exchanger 4 Demineralizer 2 outlet by pipeline connect, cooling heat exchanger 4 one outlet is connect with the import of the oxygen-eliminating device 3 of boiler system, Ensure that the water energy in boiler (not shown) system enter in cooling heat exchanger 4 in the cooling system of gas compressor 1 with High temperature coolant after technique heat exchange gas carries out heat exchange, realizes the recycling of the heat of technique natural gas cooling release, Steam boiler feed temperature can also be improved, the fuel consumption of boiler (not shown) is effectively reduced.
Specifically, (not shown) is connect by pipeline with smoke condensation device 7 at the tail portion smoke evacuation of gas compressor 1, The high-temperature flue gas that ensure that gas compressor 1 is discharged can smoothly enter into smoke condensation device 7, be realized by smoke condensation device 7 The recycling of waste heat, the utilization of resources are more reasonable.
(not shown) is additionally provided with three-way control valve 6 at the tail portion smoke evacuation of gas compressor 1, and three-way control valve 6 is set Be placed in front of smoke condensation device 7, i.e., the three of three-way control valve 6 interface respectively with the tail gas of gas compressor smoke evacuation, flue gas Condensing unit is arranged to the connection of the flue of atmosphere, and the passage path of three-way control valve 6, safety can be converted according to on-site actual situations Property is higher.
Specifically, smoke condensation device 7 includes sensible heat exchanger 71 and latent heat exchanger 72, sensible heat exchanger 71 and station area Heating system 8 and heat exchanger 10 connect, and heat exchanger 10 is set on Produced Liquid or wet crude pipeline 9, ensure that gas pressure The high-temperature flue gas of contracting machine 1 enters 71 area Zhong Yuzhan heating system 8 of sensible heat exchanger by (not shown) at the smoke evacuation of tail portion and changes Hot device 10 carries out heat exchange, realize to the heating of station area and in Produced Liquid or wet crude pipeline 9 Produced Liquid or aqueous original Oil is heated, and exhaust gas temperature is reduced, and recovered flue gas sensible heat rationally utilizes energy.
Latent heat exchanger 72 is directly connect with boiler (not shown) system, i.e. the entrance and exit difference of latent heat exchanger 72 By pipeline in boiler (not shown) system demineralizer 2 and oxygen-eliminating device 3 connect, directly with steam boiler (not shown) water supply Heat exchange is carried out, exhaust gas temperature, recovered flue gas latent heat are further decreased, waste heat recycles more thorough.
More specifically, it is additionally provided with condensation water tank 73 on smoke condensation device 7, and to be set to flue gas cold for condensation water tank 73 The bottom of solidifying device 7 is discharged after processing reaches requirement convenient for condensed water;And smoke condensation device is set on condensation water tank 73 7 exhaust outlet (not shown).
More specifically, it is provided with by-pass line between the demineralizer 2 and oxygen-eliminating device 3 in boiler (not shown) system, Softened water can be directly entered oxygen-eliminating device when gas compressor 1 or cooling heat exchanger 4 do not come into operation, and ensure that boiler (not shown) supplies water Continuity, improve the applicability and reliability of system.
More specifically, it is arranged on the pipeline that station area's heating system 8 and heat exchanger 10 are connect with smoke condensation device 7 There is booster pump 11, overcome pipe resistance, guarantees that heat exchange is gone on smoothly.
More specifically, it is provided with air-introduced machine 74 in the exhaust outlet (not shown) of smoke condensation device 7, can overcome well Newly-increased device resistance, keeps smoke evacuation more smooth.
More specifically, it is provided with several valves on pipeline, the opening and closing of pipeline is controlled by the valve of pipeline, is effectively mentioned High safety and flexibility.
As preferred embodiment, sensible heat exchanger 71 and latent heat exchanger 72 are arranged in integral type, so that device is tight It gathers, occupies little space.
As preferred embodiment, latent heat exchanger 72 and sensible heat exchanger 71 are finned tube, increase heat-transfer surface Product, keeps heat transfer effect more preferable, energy utilization rate is higher.
As further preferred embodiment, valve is electronic, it can be achieved that automatically controlling, and then realizes long-range control, Mitigate work load.
As further preferred embodiment, can there are more gas compressors 1 and a smoke condensation device 7 to connect It connects, the cooling heat exchanger 4 in the cooling system of each gas compressor 1 is connect with boiler (not shown) system, combustion gas compression (not shown) passes through three-way control valve 6 and connect with smoke condensation device 7 at the tail portion smoke evacuation of machine 1, enhances applicability, effectively full The various operating conditions of more gas compressors of foot, reduce equipment investment.
Waste heat provided in this embodiment using gas compressor provides the technique of station area's heating and production heat, including combustion Air compressor 1, cooling heat exchanger 4, boiler (not shown) system, smoke condensation device 7 and heat load (area's heating system 8 of standing And heat exchanger 10), structure setting is reasonable, compact layout;By the way that cooling heat transferring is arranged in the cooling system of gas compressor 1 Device 4, and cooling heat exchanger 4 is connect with boiler (not shown) system, it realizes and the discarded energy in 1 part of gas compressor is returned It receives, improves the initial temperature of boiler (not shown) water supply, it is more energy saving;It (will not be marked at the tail portion smoke evacuation of gas compressor 1 It is connect out) by three-way control valve 6 with smoke condensation device 7, heat exchange is more able to achieve while improving safety, and will Smoke condensation device 7 is connect with station area's heating system 8 and heat exchanger 10, it is ensured that is in winter the heating of station area, is in summer Produced Liquid or wet crude heating, energy utilization rate are higher;By the way that valve is arranged, controllability and safety are effectively increased.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention, right For those skilled in the art, it should can appreciate that and all replace with being equal made by description of the invention and diagramatic content It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.

Claims (8)

1. a kind of utilize gas compressor waste heat for station area's heating technique characterized by comprising it is cold to be set to gas compressor But the cooling heat exchanger in system, and the entrance and exit of the cooling heat exchanger by pipeline respectively with it is soft in boiler system Change device to connect with oxygen-eliminating device, the tail portion smoke evacuation of the gas compressor is connect by pipeline with smoke condensation device, and the cigarette Gas condensing unit is connect by pipeline with station area's heating system and the heat exchanger being set on Produced Liquid or wet crude pipeline, and The opening and closing of several valve control pipelines is set on pipeline;The smoke condensation device includes sensible heat exchanger and latent heat heat exchange Device, and the sensible heat exchanger and the latent heat exchanger are integral type setting;The entrance and exit of the sensible heat exchanger point Not with it is described station area's heating system and the heat exchanger being set on the Produced Liquid or wet crude pipeline outlet and enter Mouth connection;The entrance and exit of the latent heat exchanger passes through the demineralizer and institute in pipeline and the boiler system respectively State oxygen-eliminating device connection, and the outlet of the latent heat exchanger also with the sensible heat exchanger and station area's heating system and setting In the pipeline connection of the heat exchanger connection on the Produced Liquid or wet crude pipeline.
2. according to claim 1 utilize gas compressor waste heat for station area's heating technique, which is characterized in that the combustion gas Be provided with three-way control valve at the tail portion smoke evacuation of compressor, and three interfaces of the three-way control valve respectively with the gas pressure The tail gas smoke evacuation of contracting machine, is arranged to the connection of the flue of atmosphere the smoke condensation device.
3. according to claim 1 utilize gas compressor waste heat for station area's heating technique, which is characterized in that the flue gas Condensing unit further includes condensation water tank, and the condensation water tank is set to the smoke condensation device bottom.
4. according to claim 1 utilize gas compressor waste heat for station area's heating technique, which is characterized in that the sensible heat Heat exchanger is connect with station area's heating system and the heat exchanger being set on the Produced Liquid or wet crude pipeline Booster pump is provided on pipeline.
5. according to claim 1 utilize gas compressor waste heat for station area's heating technique, which is characterized in that in the cigarette Air-introduced machine is provided on the exhaust outlet of gas condensing unit.
6. according to claim 1 utilize gas compressor waste heat for station area's heating technique, which is characterized in that the boiler By-pass line is provided between the demineralizer and the oxygen-eliminating device in system.
7. according to claim 1 utilize gas compressor waste heat for station area's heating technique, which is characterized in that the latent heat Heat exchanger and the sensible heat exchanger are one or more combinations of finned tube or other extended surface heat exchanger tubes.
8. according to claim 1 utilize gas compressor waste heat for station area's heating technique, which is characterized in that the valve For one of manual, electric or pneumatic or a variety of combination.
CN201611265107.4A 2016-12-30 2016-12-30 It is a kind of to utilize gas compressor waste heat for station area's heating technique Expired - Fee Related CN107339687B (en)

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CN201611265107.4A CN107339687B (en) 2016-12-30 2016-12-30 It is a kind of to utilize gas compressor waste heat for station area's heating technique

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CN107339687B true CN107339687B (en) 2019-09-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108561939B (en) * 2018-06-26 2023-05-26 克拉玛依市科力节能环保技术有限公司 Waste heat utilization device based on phase change heat exchange technology

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Publication number Priority date Publication date Assignee Title
CN1536293A (en) * 2003-04-11 2004-10-13 清华大学 A dual heat pump combined heat and power system powered by a gas turbine
CN202613843U (en) * 2012-02-24 2012-12-19 东南大学 Alternating current and gas engine parallel connection dual-drive heat pump device
CN103335445A (en) * 2013-07-05 2013-10-02 中国石油集团工程设计有限责任公司 System and method for utilizing gas-driven compressor waste heat
CN205532794U (en) * 2016-01-20 2016-08-31 四川村田机械制造有限公司 Combustion engine system based on improve boiler life -span
CN205561332U (en) * 2016-03-16 2016-09-07 碧海舟(北京)节能环保装备有限公司 Refrigerating system is carried to natural gas compressor
CN106257158A (en) * 2016-07-29 2016-12-28 东南大学 A kind of hybrid-power combustion-gas thermal pump water-heater system and control method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1536293A (en) * 2003-04-11 2004-10-13 清华大学 A dual heat pump combined heat and power system powered by a gas turbine
CN202613843U (en) * 2012-02-24 2012-12-19 东南大学 Alternating current and gas engine parallel connection dual-drive heat pump device
CN103335445A (en) * 2013-07-05 2013-10-02 中国石油集团工程设计有限责任公司 System and method for utilizing gas-driven compressor waste heat
CN205532794U (en) * 2016-01-20 2016-08-31 四川村田机械制造有限公司 Combustion engine system based on improve boiler life -span
CN205561332U (en) * 2016-03-16 2016-09-07 碧海舟(北京)节能环保装备有限公司 Refrigerating system is carried to natural gas compressor
CN106257158A (en) * 2016-07-29 2016-12-28 东南大学 A kind of hybrid-power combustion-gas thermal pump water-heater system and control method thereof

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Granted publication date: 20190906