CN202927940U - Waste heat recovery type distributed energy and seawater source heat pump coupling system - Google Patents

Waste heat recovery type distributed energy and seawater source heat pump coupling system Download PDF

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Publication number
CN202927940U
CN202927940U CN 201220622911 CN201220622911U CN202927940U CN 202927940 U CN202927940 U CN 202927940U CN 201220622911 CN201220622911 CN 201220622911 CN 201220622911 U CN201220622911 U CN 201220622911U CN 202927940 U CN202927940 U CN 202927940U
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China
Prior art keywords
heat
water
heat pump
heat exchanger
waste
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Expired - Fee Related
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CN 201220622911
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Chinese (zh)
Inventor
姚伟君
毕海洋
李猛
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Dalian Baoguang Energy Saving Air Conditioning Equipment Factory
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Dalian Baoguang Energy Saving Air Conditioning Equipment Factory
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Priority to CN 201220622911 priority Critical patent/CN202927940U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat 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

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Abstract

The utility model discloses a waste heat recovery type distributed energy and seawater source heat pump coupling system. Natural gas is burned by a gas engine to drive a generator; the generator generates power to drive a heat pump to produce a part of heat; meanwhile, smoke produced by the gas engine enters a waste heat boiler; the smoke and steam discharged by the waste heat boiler are absorbed by a condensing heat exchanger and an absorption heat pump respectively; heat discharged by the condensing heat exchanger is input into the absorption heat pump so as to provide another part of heat; in a waste heat recovery process, waste heat of the smoke discharged by the condensing heat exchanger accounts for 10 percent of the heat produced by burning of all the natural gas, and the part of heat is displaced into medium water in a seawater source heat pump system through a steam-water heat exchanger, so that at least 9 percent of waste heat can be recovered, the defect of over-low temperature of the medium water after heat exchange with seawater can be overcome, the temperature of the medium water can be increased by 2 DEG C, and meanwhile, the efficiency of the heat pump can be increased by about 6 percent again by the increase in temperature of the medium water.

Description

Afterheat recovery type distributed energy and sea water source heat pump coupled system
Technical field
The utility model relates to distributed energy and water resource heat pump coupled system, especially a kind of afterheat recovery type distributed energy and sea water source heat pump coupled system.
Background technology
Be accompanied by the increase of electricity needs and the aggravation of world energy sources crisis, readjust the energy structure, improve energy utilization rate, improve energy security, the solution environmental pollution is own through becoming the emphasis of China's energy strategy.Distributed energy resource system is a kind of multiple-supplying supply system that is based upon on the cascaded utilization of energy ideal basis, by at Demand-side according to the different demands of user to the energy, realize the energy supply pattern of " temperature counterpart, cascade utilization ", the loss of conveying process is down to minimum, thereby realize the maximization of efficiency of energy utilization and environmental benefit.The Distribution of Natural formula energy is to utilize natural gas to be fuel, and after the combustion machine generated electricity by gas-firing, the high-temperature flue gas of generation was sent into waste heat utilization equipment, can be used for heating winter, can be used for cooling summer, but productive life hot water also, and driving the shortage of heat part can be supplied by the combustion gas of afterburning.Thereby realize the cascade utilization to the energy, can improve efficiency of energy utilization to 80%-90%.That but this conventional distributed energy resource system exists is single, energy utilization rate promotes the problems such as limited, economic not good enough.Therefore produced gradually new distributed energy coupled system, it is based on conventional distributed energy technology be coupled environment, regenerative resource, conventional energy resource system, novel regional complex ENERGY PLANNING, intelligent grid and intelligence communication control technology etc., consisted of a kind of new distribution type energy resource system, but still the situation that exists a part directly to discharge with the flue gas waste gas of low-grade energy.Pollute environment, wasted energy.
Summary of the invention
The utility model is with afterheat recovery type distributed energy and seawater source heat pump system coupling, solved the energy waste problem that still causes with the direct discharging of the flue gas waste gas of heat after the waste heat recovery, take full advantage of simultaneously the seawater energy, solve source of seawater as the too low problem of low-temperature heat source temperature, improved the efficient of using energy source.
The utility model is to overcome the technical scheme that its technical problem adopts to be, a kind of afterheat recovery type distributed energy and sea water source heat pump coupled system, comprise afterheat recovery type distributed energy subsystem, sea water source heat pump subsystem, wherein afterheat recovery type distributed energy subsystem comprises: gas engine, generator, waste heat boiler, condensing heat exchanger, absorption heat pump; The sea water source heat pump subsystem comprises: sea water source heat pump, vapor-water heat exchanger, water water-to-water heat exchanger; The gas engine gas-firing drives generator, and the generator generating drives sea water source heat pump and carries out heat supply; The flue gas of gas engine generation simultaneously enters into waste heat boiler, and condensing heat exchanger and absorption heat pump absorb respectively flue gas and the high-temperature steam that waste heat boiler gives off, and condensing heat exchanger is emitted in heat input absorption heat pump; The water water-to-water heat exchanger connects the seawater inlet channel and the heat in seawater is replaced in the intermediary's water that is connected with vapor-water heat exchanger; The flue gas of discharging after the condensing heat exchanger heat exchange enters into vapor-water heat exchanger by the flue tail gas pipeline, and vapor-water heat exchanger is replaced the heat in flue gas in the intermediary's water that enters the sea water source heat pump evaporator end.
In said system, condensing heat exchanger gives off all natural gas firing that fume afterheat accounts for and produces 10% of heat, this part heat is replaced in intermediary's water of seawater source heat pump system by vapor-water heat exchanger, can reclaim at least 9% waste heat, can make the temperature of intermediary's water improve 2 ℃, replenish through the too low deficiency of intermediary's coolant-temperature gage after the displacement of water water-to-water heat exchanger heat, the raising of intermediary's water water temperature simultaneously can improve heat pump efficiency 6% left and right again.
Coupling by afterheat recovery type distributed energy and sea water source heat pump, realize that the system capacity step takes full advantage of, according to the performance of heat pump (Energy Efficiency Ratio be 4.0 consider), 40% electric power that gas engine sends can produce heat or the cold more than 160%, more than 40%, the final primary energy comprehensive utilization ratio of the coupled system of afterheat recovery type distributed energy and sea water source heat pump can reach more than 200% in conjunction with the primary energy comprehensive utilization ratio of residual neat recovering system.Native system can also make the electric energy of online difficulty be fully used, and the benefit of the Distribution of Natural formula energy is further promoted, and promotes the benign development of industry by again utilizing the energy in seawater, and the energy that originally runs off is utilized, and has saved resource.
The beneficial effects of the utility model are: native system realized the taking full advantage of of NG Distributed Energy System fume afterheat, and improved in seawater source heat pump system evaporator end intermediary water water inlet water temperature, thereby improved entire system efficient.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
1. gas engines in figure, 2. generator, 3. waste heat boiler, 4. condensing heat exchanger, 5. absorption heat pump, 6. sea water source heat pump, 7. water water-to-water heat exchanger, 8. vapor-water heat exchanger, 9. flue tail gas pipeline, 10. heat supply pipeline, 11. seawater inlet channels, 12. flue gas exhausting pipe lines.
The specific embodiment
In the drawings, gas engine 1 gas-firing drives generator 2, and generator 2 generatings drive sea water source heat pump 6 and carry out heat supply; The flue gas of gas engine 1 generation simultaneously enters into waste heat boiler 3, and condensing heat exchanger 4 and absorption heat pump 5 absorb respectively flue gas and the high-temperature steam that waste heat boiler 3 gives off, and condensing heat exchanger 4 is emitted in heat input absorption heat pump 5; Water water-to-water heat exchanger 7 connects seawater inlet channel 11 and the heat in seawater is replaced in the intermediary's water that is connected with vapor-water heat exchanger 8, the flue gas of discharging after condensing heat exchanger 4 heat exchange enters into vapor-water heat exchanger 8 by flue tail gas pipeline 9, and vapor-water heat exchanger 8 is replaced the heat in flue gas in the intermediary's water that enters sea water source heat pump 6 evaporator end.
The utility model does not limit to and the present embodiment, and protection domain of the present utility model is all classified in any equivalent concepts or change in the technical scope that the utility model discloses as.

Claims (1)

1. an afterheat recovery type distributed energy and sea water source heat pump coupled system, comprise afterheat recovery type distributed energy subsystem, sea water source heat pump subsystem, wherein afterheat recovery type distributed energy subsystem comprises: gas engine (1), generator (2), waste heat boiler (3), condensing heat exchanger (4), absorption heat pump (5); The sea water source heat pump subsystem comprises: sea water source heat pump (6), vapor-water heat exchanger (8), water water-to-water heat exchanger (7); It is characterized in that: gas engine (1) gas-firing drives generator (2), and generator (2) generating drives sea water source heat pump (6) and carries out heat supply; The flue gas of gas engine (1) generation simultaneously enters into waste heat boiler (3), condensing heat exchanger (4) and absorption heat pump (5) absorb respectively flue gas and the high-temperature steam that waste heat boiler (3) gives off, and condensing heat exchanger (4) is emitted in heat input absorption heat pump (5); Water water-to-water heat exchanger (7) connects seawater inlet channel (11) and the heat in seawater is replaced in the intermediary's water that is connected with vapor-water heat exchanger (8); The flue gas of discharging after condensing heat exchanger (4) heat exchange enters into vapor-water heat exchanger (8) by flue tail gas pipeline (9), and vapor-water heat exchanger (8) is replaced the heat in flue gas in the intermediary's water that enters sea water source heat pump (6) evaporator end.
CN 201220622911 2012-11-22 2012-11-22 Waste heat recovery type distributed energy and seawater source heat pump coupling system Expired - Fee Related CN202927940U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220622911 CN202927940U (en) 2012-11-22 2012-11-22 Waste heat recovery type distributed energy and seawater source heat pump coupling system

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Application Number Priority Date Filing Date Title
CN 201220622911 CN202927940U (en) 2012-11-22 2012-11-22 Waste heat recovery type distributed energy and seawater source heat pump coupling system

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CN202927940U true CN202927940U (en) 2013-05-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102997316A (en) * 2012-11-22 2013-03-27 大连葆光节能空调设备厂 Waste heat recovery type distributed energy and seawater source heat pump coupling system
CN104089434A (en) * 2014-07-25 2014-10-08 中能服(北京)节能投资有限公司 Unit type hot water heat pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102997316A (en) * 2012-11-22 2013-03-27 大连葆光节能空调设备厂 Waste heat recovery type distributed energy and seawater source heat pump coupling system
CN104089434A (en) * 2014-07-25 2014-10-08 中能服(北京)节能投资有限公司 Unit type hot water heat pump
CN104089434B (en) * 2014-07-25 2016-07-20 中能服能源科技股份有限公司 A kind of modular hot-water type heat pump

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Granted publication date: 20130508

Termination date: 20131122