CN109779704A - Air cooling unit back pressure is reduced using compression heat pump and is disappeared white system and method to flue gas dehumidifying - Google Patents

Air cooling unit back pressure is reduced using compression heat pump and is disappeared white system and method to flue gas dehumidifying Download PDF

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CN109779704A
CN109779704A CN201811593992.8A CN201811593992A CN109779704A CN 109779704 A CN109779704 A CN 109779704A CN 201811593992 A CN201811593992 A CN 201811593992A CN 109779704 A CN109779704 A CN 109779704A
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steam
water
condenser
flue gas
heater
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CN109779704B (en
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陈伟雄
孟宇
范江
严俊杰
王进仕
李�根
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Xian Jiaotong University
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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

It is a kind of to reduce air cooling unit back pressure using compression heat pump and disappear white system and method to flue gas dehumidifying, it is mainly used in the air cooling unit of China's wet desulphurization, it not only can guarantee air cooling unit back pressure, ensure unit safety economical operation, and white, reduction visual pollution and the environmental pollution of disappearing that flue gas can be carried out to dehumidify;The system includes compression heat pump driving steam turbine, shaft joint, compressor, condenser, throttle valve, evaporator, flue gas heater, steam air heater, connecting pipe and related valve;Main steam turbine steam extraction drives compression heat pump driving steam turbine, and driving steam turbine drives compressor by shaft joint, and the evaporator that recirculated water enters compression heat pump takes away a part of recirculated water heat, to have the function that reduce air cooling unit back pressure;Condensed water, which enters, absorbs heat in the condenser of compression heat pump, realize the recycling of heat;It is passed through flue gas heater after condensed water, heating and dehumidification is carried out to flue gas, the condensed water come out from flue gas heater is passed through steam air heater, heats to air, reduces the corrosion of air preheater.

Description

Air cooling unit back pressure is reduced using compression heat pump and is disappeared white system to flue gas dehumidifying And method
Technical field
The present invention relates to air cooling unit technical fields, in particular to a kind of to reduce air cooling unit back pressure using compression heat pump And disappear white system and method to flue gas dehumidifying.
Background technique
Air cooled fossil fired unit is widely used in China's drought and water-scarce area, and in summer, air cooling unit is wet with same capacity Cold group obviously rises compared to net coal consumption rate, or even occurs that back pressure is very high and load limit operation, greatly reduces the peak regulation of unit Ability.Under high temperature strong wind weather, air cooling tower condensing capacity declines to a great extent, and further influences unit back pressuce.Currently, the heat of recirculated water Amount is taken away by air into atmospheric environment in air cooling tower, this part of waste heat quantity is big, as being recycled, then can mention significantly Rise the heat-economy of unit.Existing research person proposes to recycle residual heat of electric power plant, heating using turbine discharge driving compression heat pump Hot net water realizes cascaded utilization of energy.However, the problem of system, is efficient operation to be realized, it is necessary to there is enough heat to use Family, however air cooling unit region, mostly in the Northwest, heat user demand is less, and under summer high temperature strong wind, base This does not have hot water demand, and the strong influence economic benefit of system limits the application prospect of the technology.
Currently, most of desulfurization system for thermal power plant uses limestone-gypsum wet desulfuration technique, gas-gas is eliminated Directly neat stress is discharged from chimney for heat exchanger (gas gas heater, GGH) device, and chimney uses inside lining anti-corrosive material, shape The scheme discharged at " Wet chimney ".After the desulphurization system of no GGH device is gone into operation, though the blockage problem of GGH is efficiently avoided, Due to the reheating measure of " Wet chimney " smokeless, exhaust gas temperature is lower, and absorption tower outlet had been discharged with the neat stress of saturated water Journey partial condensation forms drop, not only generates the plume of white, causes visual impact, and flue gas from after throat discharge not Can effectively be lifted, be diffused into atmosphere, cause cancel GGH device after flue gas cannot dissipate rapidly, especially when local temperature, Air pressure is lower or period in thick weather, and the dust and drop carried in flue gas is gathered near chimney, falls to the ground shape At " gypsum rain " or acid rain, pollution, or even corrosion equipment are generated to power plant and surrounding enviroment.
Summary of the invention
In order to realize that reduce circulating water temperature reaches reduction unit back pressuce in turn, promotes unit economy, and utilize circulation Water temperature waste heat carries out the purpose of flue gas dehumidifying, and the invention proposes a kind of using compression heat pump reduction air cooling unit back pressure and right Flue gas dehumidifying disappears white system and method, recycles air cooling unit circulating water afterheat using compression heat pump, reduces circulating water temperature, Guarantee air cooling unit back pressure, and dehumidified using circulating water afterheat to tail flue gas, eliminates white cigarette, improve the lift of flue gas It rises, diffusivity, reduces the pollution to power plant's surrounding enviroment, realize the safe and economic operation of air cooling unit.
In order to achieve the above object, the present invention adopts the following technical scheme:
It is a kind of to reduce air cooling unit back pressure using compression heat pump and disappear white system, including compression type heat to flue gas dehumidifying Pump driving steam turbine, shaft joint, compressor, condenser, throttle valve, evaporator, flue gas heater, steam air heater, connecting pipe and Related valve;
Turbine high-pressure steam extraction opening is connected with high pressure steam control valve, steam turbine low-pressure steam extraction and low-pressure steam tune Section valve is connected, and connect afterwards with driving extraction pressure regulating valve, and driving extraction pressure regulating valve and compression heat pump drive steamer Machine air intake is connected, and compression heat pump driving steam turbine venthole is connected with bleeder heater;
Compression heat pump driving steam turbine is connected by shaft joint with compressor, compressor sender property outlet and condenser work Matter entrance is connected, and condenser sender property outlet is connected through throttle valve with evaporator working medium entrances, evaporator sender property outlet and pressure Contracting machine working medium entrances are connected;
Turbine discharge outlet is connected with condenser, and c ondenser circulating water outlet is connected with air cooling tower circulation water inlet Connect, air cooling tower circulating water outlet is divided into two-way, be connected all the way with condenser circulating water entrance, all the way through circulation water regulating valve with Evaporator circulation water inlet is connected, and evaporator circulating water outlet is connected through circulating water line with condenser circulating water entrance;
Condenser condensed water outlet is divided into two-way, a-road-through toward bleeder heater, level-one by condensation water regulating valve with it is cold Condenser condensation water inlet is connected, and condenser condensation water out is connected with flue gas heater water side entrance, flue gas heater water Side outlet is connected with steam air heater water side entrance, and steam air heater water side outlet is connected with gland heater;
Wet desulfuration tower exhanst gas outlet is connected with flue gas heater gas side entrance, the outlet of flue gas heater gas side and chimney Entrance is connected.
The invention proposes a kind of to reduce air cooling unit back pressure using compression heat pump and disappear white method to flue gas dehumidifying,
Two strands of steam are extracted from steam turbine, one steam pressure is higher, one steam pressure is lower, high steam extraction opening It is connected with high pressure steam control valve, low-pressure pumping steam is connected with low-pressure steam regulating valve, and when unit operates normally, high pressure is steamed Steam control valve is closed, and low-pressure steam regulating valve is opened, and low-pressure pumping steam is that compression heat pump driving steam turbine drives steam extraction;Work as unit Load variations and when amplitude of variation is less than 30%, driving extraction pressure regulating valve guarantees that compression driving steam turbine is steady safely Fixed work, by adjusting high pressure steam control valve and low-pressure steam regulating valve, is cut when unit load amplitude of variation is greater than 30% Changing vapour source makes compression heat pump driving steam turbine the safe and economic operation;The steam of function was done in compression heat pump driving steam turbine, Introduce the bleeder heater of steam extraction parameter similar, heat-setting water;
Compression heat pump driving steam turbine is connected by shaft joint with compressor, and mechanical work is passed to compressor;Work Matter enters from compressor working medium entrances, and after compressor compresses, into condenser, working medium heat release within the condenser is heated from solidifying Bear water the water of extraction;Enter evaporator by throttle valve, working medium is absorbed heat in evaporator, be further reduced and is gone out from air cooling tower The circulating water temperature come, ensure that unit back pressuce;The working medium come out from evaporator constitutes compression into compressor working medium entrances Formula heat pump performance loop;
Turbine discharge outlet is connected with condenser, and turbine discharge exchanges heat in condenser with recirculated water, by steamer Machine steam discharge is condensed into condensed water;C ondenser circulating water outlet is connected with air cooling tower circulation water inlet, in air cooling tower, recirculated water Heat release cooling;Air cooling tower circulating water outlet is divided into two-way, is connected all the way with condenser circulating water entrance, all the way through recirculated water tune Section valve is connected with evaporator circulation water inlet;The recirculated water all the way being connected with evaporator, can be according to unit operating condition and ring Border temperature adjusts regulating valve valve opening, changes the working medium flow for entering evaporator, to reach the mesh of control loop coolant-temperature gage 's;The recirculated water all the way being connected with evaporator, into after evaporator, on the one hand the heat release in evaporator has been recycled more than recirculated water On the other hand heat reduces circulating water temperature, reduce steam turbine (1) back pressure, improve unit economy;It is connected with evaporator Recirculated water come out from evaporator after the recirculated water mixing that is connected with condenser with another way, further decrease circulating water temperature, Enter condenser condensing turbine steam discharge after mixing together, ensure that turbine back pressure;
Condenser condensed water outlet is divided into two-way, a-road-through toward bleeder heater, all the way by condensation water regulating valve with it is cold Condenser condensation water inlet is connected;The condensed water all the way being connected with condenser can condense water regulating valve by adjusting, according to Unit operating condition and environment temperature adjust the road condensing water flow, control caloric receptivity and flue gas heater from condenser In thermal discharge, to guarantee exhaust gas temperature;The condensed water being connected with condenser absorbs heat within the condenser, enters after improving temperature Flue gas heater exchanges heat with flue gas, improves flue-gas temperature, flue-gas temperature is made to reach discharge standard;Go out from flue gas heater The condensed water come, air is heated in steam air heater, reduces the corrosion of air preheater, and the condensed water come out from steam air heater is discharged into axle envelope and adds Recovery waste heat in hot device;
The flue-gas temperature of wet desulfuration tower exhanst gas outlet is between 40 DEG C to 50 DEG C, and water capacity is larger, and low-temperature flue gas exists In flue gas heater, the heat of the condensed water by condenser heating is absorbed, temperature is improved, reaches suitable exhaust temperature.
The invention has the following advantages:
(1) heat-economy is good.Present system has taken away a part of recirculated water heat using evaporator, exports in air cooling tower On the basis of circulating water temperature, circulating water temperature further reduced, not only recycled the waste heat of recirculated water, further pass through drop Low circulation coolant-temperature gage ensure that unit back pressuce;
(2) flexibility is good.Present system is provided with vapour at two at the driving steam extraction of compression heat pump driving steam turbine Source can meet the driving steam extraction parameter and stream of driving steam turbine by driving extraction pressure regulating valve and high-low pressure regulating valve Amount requires, still being capable of stable operation under varying load condition.
(3) good environmental adaptability.Present system is embodied at two for the adaptability of environment, be at one with condenser It is provided with condensation water regulating valve on connected condensate circuit, by adjusting condensed water control valve opening, adjusts condensed water cold The thermal discharge in caloric receptivity and flue gas heat-exchange unit in condenser, can meet the requirement of exhaust gas temperature under various circumstances;It is another Place is, equipped with circulation water regulating valve on circulation waterway of the air cooling tower outlet with evaporator circulation water inlet, can to pass through adjusting Recirculated water control valve opening adjusts the road circulating water flow, so that thermal discharge of the recirculated water in evaporator is adjusted, next road Recirculated water is that evaporator is passed through after air cooling tower, can reduce circulating water temperature again on the basis of air cooling tower sufficiently cools down, It is able to satisfy compared with the circulating water temperature requirement under high environment temperature.
Detailed description of the invention
Fig. 1 is present system structural schematic diagram.
Wherein, 1 is steam turbine, and 2 be high pressure steam control valve, and 3 be low-pressure steam regulating valve, and 4 be driving extraction pressure tune Valve is saved, 5 be compression heat pump driving steam turbine, and 6 be shaft coupling, and 7 be compressor, and 8 be condenser, and 9 be throttle valve, and 10 be evaporation Device, 11 be circulation water regulating valve, and 12 be condenser, and 13 be air cooling tower, and 14 be condensation water regulating valve, and 15 be wet desulfuration tower, 16 It is steam air heater for flue gas heater, 17,18 be chimney.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
Two strands of steam are extracted from steam turbine 1, one steam pressure is higher, one steam pressure is lower, high steam steam extraction Mouth is connected with high pressure steam control valve 2, and low-pressure pumping steam is connected with low-pressure steam regulating valve 3, high when unit operates normally Steam control valve 2 is pressed to close, low-pressure steam regulating valve 3 is opened, and low-pressure pumping steam is that compression driving steam turbine 5 drives steam extraction.When Unit varying duty and when load variations amplitude is less than 30%, driving extraction pressure regulating valve 4 guarantees that compression driving steam turbine 5 is pacified Full steady operation is adjusted when unit load amplitude of variation is greater than 30% by adjusting high pressure steam control valve 2 and low-pressure steam Valve 3, switching vapour source make 5 the safe and economic operation of compression heat pump driving steam turbine.Function was done in compression heat pump driving steam turbine 5 Steam, introduce steam extraction parameter similar bleeder heater, heat-setting water.
Compression heat pump driving steam turbine 5 is connected by shaft joint 6 with compressor 7, and mechanical work is passed to compressor 7.Working medium enters from 7 working medium entrances of compressor, after the compression of compressor 7, into condenser 8, and working medium heat release in condenser 8, Heat the water extracted from condensed water.Enter evaporator 10 by throttle valve 9, working medium is absorbed heat in the vaporizer 10, is further decreased The circulating water temperature come out from the air cooling tower 13, ensure that unit back pressuce.The working medium come out from evaporator 10, into compressor 7 working medium entrances constitute compression heat pump performance loop.
1 exhaust vent of steam turbine is connected with condenser 12, and 1 steam discharge of steam turbine exchanges heat in condenser 12 with recirculated water, 1 steam discharge of steam turbine is condensed into condensed water.12 circulating water outlet of condenser recycles water inlet with air cooling tower 13 and is connected, air-cooled In tower 13, recirculated water heat release cooling.13 circulating water outlet of air cooling tower is divided into two-way, recycles water inlet with condenser 12 all the way and is connected It connects, recycles water inlet with evaporator 10 through circulation water regulating valve 11 all the way and be connected.The recirculated water all the way being connected with evaporator 10, Circulation 11 aperture of water regulating valve can be adjusted, the working medium stream for entering evaporator 10 is changed according to unit operating condition and environment temperature Amount, to achieve the purpose that control loop coolant-temperature gage.The recirculated water all the way being connected with evaporator 10, into after evaporator 10, On the one hand heat release in evaporator 10 has recycled circulating water afterheat, has on the other hand reduced circulating water temperature, reduced steam turbine (1) back pressure improves unit economy.The recirculated water being connected with evaporator 10 comes out rear and another way from evaporator 10 and coagulates The connected recirculated water mixing of vapour device 12, further decreases circulating water temperature, enters 12 condensing turbine 1 of condenser after mixing together Steam discharge ensure that 1 back pressure of steam turbine.
Condenser 12 condenses water out and is divided into two-way, and a-road-through is toward bleeder heater, all the way by condensation water regulating valve 14 Water inlet is condensed with condenser 8 to be connected.The condensed water all the way being connected with condenser 8, can by condense water regulating valve 14, According to unit operating condition and environment temperature, the road condensing water flow is adjusted, the caloric receptivity and flue gas controlled from condenser 8 adds Thermal discharge in hot device 16, to guarantee exhaust gas temperature.The condensed water being connected with condenser 8 absorbs heat in condenser 8, improves Enter flue gas heater 16 after temperature, exchange heat with flue gas, improves flue-gas temperature, flue-gas temperature is made to reach discharge standard.From The condensed water that flue gas heater 16 comes out, heats air in steam air heater 17, reduces the corrosion of air preheater, come out from steam air heater 17 Condensed water be discharged into recovery waste heat in gland heater.
About 40 DEG C of the flue gas of 15 exhanst gas outlet of wet desulfuration tower, and water capacity is larger, low-temperature flue gas is in flue gas heater 16 In, the heat of the condensed water to heat up by condenser 8 is absorbed, temperature is improved, reaches suitable exhaust temperature.

Claims (3)

1. a kind of reduce air cooling unit back pressure using compression heat pump and disappear white system to flue gas dehumidifying, it is characterised in that: packet It includes compression heat pump driving steam turbine (5), shaft joint (6), compressor (7), condenser (8), throttle valve (9), evaporator (10), Flue gas heater (16), steam air heater (17), connecting pipe and related valve;
Steam turbine (1) high steam extraction opening is connected with high pressure steam control valve (2), steam turbine (1) low-pressure pumping steam and low pressure Steam control valve (3) is connected, and connect afterwards with driving extraction pressure regulating valve (4), driving extraction pressure regulating valve (4) and compression Formula heat pump driving steam turbine (5) air intake is connected, and compression heat pump driving steam turbine (5) venthole is connected with bleeder heater It connects;Compression heat pump driving steam turbine (5) is connected by shaft joint (6) with compressor (7), compressor (7) sender property outlet and Condenser (8) working medium entrances are connected, and condenser (8) sender property outlet is connected through throttle valve (9) with evaporator (10) working medium entrances It connects, evaporator (10) sender property outlet is connected with compressor (7) working medium entrances;
Steam turbine (1) exhaust vent is connected with condenser (12), and condenser (12) circulating water outlet and air cooling tower (13) recycle Water inlet is connected, and air cooling tower (13) circulating water outlet is divided into two-way, is connected all the way with condenser (12) circulation water inlet, and one Road is connected through circulation water regulating valve (11) with evaporator (10) circulation water inlet, and evaporator (10) circulating water outlet is through recirculated water Pipeline is connected with condenser (12) circulation water inlet;
Condenser (12) condensation water out is divided into two-way, and a-road-through is toward bleeder heater, all the way by condensation water regulating valve (14) It is connected with condenser (8) condensation water inlet, condenser (8) condensation water out is connected with flue gas heater (16) water side entrance It connects, flue gas heater (16) water side outlet is connected with steam air heater (17) water side entrance, steam air heater (17) water side outlet and axle envelope Heater is connected;
Wet desulfuration tower (15) exhanst gas outlet is connected with flue gas heater (16) gas side entrance, and flue gas heater (16) gas side goes out Mouth is connected with chimney (18) entrance.
2. it is according to claim 1 reduce air cooling unit back pressure using compression heat pump and disappear to flue gas dehumidifying white be System, it is characterised in that: the working medium is freon steam.
3. a kind of reduce air cooling unit back pressure using compression heat pump and disappear white method to flue gas dehumidifying, which is characterized in that base In described in claim 1 air cooling unit back pressure is reduced using compression heat pump and disappear white system to flue gas dehumidifying, specific side Method is as follows:
Two strands of steam are extracted from steam turbine (1), one steam pressure is higher, one steam pressure is lower, high steam extraction opening It is connected with high pressure steam control valve (2), low-pressure pumping steam is connected with low-pressure steam regulating valve (3), when unit operates normally, High pressure steam control valve (2) is closed, and low-pressure steam regulating valve (3) is opened, and low-pressure pumping steam is compression heat pump driving steam turbine (5) Drive steam extraction;When unit varying duty and when load variations amplitude is less than 30%, driving extraction pressure regulating valve (4) guarantees compression Driving steam turbine (5) safe and stable operation, when unit load amplitude of variation is greater than 30%, by adjusting high pressure steam control valve (2) and low-pressure steam regulating valve (3), switching vapour source make compression heat pump driving steam turbine (5) the safe and economic operation;In compression Heat pump driving steam turbine (5) did the steam of function, introduced the bleeder heater of steam extraction parameter similar, heat-setting water;
Compression heat pump driving steam turbine (5) is connected by shaft joint (6) with compressor (7), and mechanical work is passed to compression Machine (7);Working medium enters from compressor (7) working medium entrances, and after compressor (7) compression, into condenser (8), working medium is being condensed The water extracted from condensed water is heated in heat release in device (8);Enter evaporator (10) by throttle valve (9), the work in evaporator (10) Matter heat absorption, further reduced the circulating water temperature come out from air cooling tower (13), ensure that unit back pressuce;From evaporator (10) Working medium out constitutes compression heat pump performance loop into compressor (7) working medium entrances;
Steam turbine (1) exhaust vent is connected with condenser (12), and steam turbine (1) steam discharge changes in condenser (12) with recirculated water Steam turbine (1) steam discharge is condensed into condensed water by heat;Condenser (12) circulating water outlet is connected with air cooling tower (13) circulation water inlet It connects, in air cooling tower (13), recirculated water heat release cooling;Air cooling tower (13) circulating water outlet is divided into two-way, all the way with condenser (12) circulation water inlet is connected, and is connected all the way through circulation water regulating valve (11) with evaporator (10) circulation water inlet;With steaming Device (10) connected recirculated water all the way is sent out, according to unit operating condition and environment temperature, adjusts circulation water regulating valve (11) aperture, Change the working medium flow for entering evaporator (10), to achieve the purpose that control loop coolant-temperature gage;It is connected with evaporator (10) Recirculated water all the way, into after evaporator (10), circulating water afterheat, another party have on the one hand been recycled in the heat release in evaporator (10) Face reduces circulating water temperature, reduces steam turbine (1) back pressure, improves unit economy;It is followed with what evaporator (10) was connected Ring water, the recirculated water being connected with another way with condenser (12) after coming out from evaporator (10) mix, and further decrease recirculated water Temperature enters condenser (12) condensing turbine (1) steam discharge together, ensure that steam turbine (1) back pressure after mixing;
Condenser (12) condensation water out is divided into two-way, and a-road-through is toward bleeder heater, all the way by condensation water regulating valve (14) It is connected with condenser (8) condensation water inlet;The condensed water all the way being connected with condenser (8), by condensing water regulating valve (14), according to unit operating condition and environment temperature, the road condensing water flow is adjusted, controls the caloric receptivity from condenser (8) With the thermal discharge in flue gas heater (16), to guarantee exhaust gas temperature;The condensed water being connected with condenser (8), in condenser (8) heat absorption in enters flue gas heater (16) after improving temperature, exchanges heat with flue gas, improves flue-gas temperature, make flue-gas temperature Reach discharge standard;The condensed water come out from flue gas heater (16), air is heated in steam air heater (17), reduces air preheater Corrosion, the condensed water come out from steam air heater (17) are discharged into recovery waste heat in gland heater;
The flue-gas temperature of wet desulfuration tower (15) exhanst gas outlet is between 40 DEG C to 50 DEG C, and water capacity is big, and low-temperature flue gas is in cigarette The heat that the condensed water by condenser (8) heating is absorbed in hot-air heater (16), improves temperature, reaches preset discharge temperature Degree.
CN201811593992.8A 2018-12-25 2018-12-25 System and method for reducing backpressure of air cooling unit and dehumidifying and whitening smoke Active CN109779704B (en)

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CN110645587A (en) * 2019-11-01 2020-01-03 浙江城建煤气热电设计院有限公司 Flue gas takes off white device condensate waste heat recovery and utilizes system
CN111928511A (en) * 2020-08-07 2020-11-13 西安西热节能技术有限公司 Liquefied air energy storage peak shaving system and method based on compressor intermediate suction
CN113818934A (en) * 2021-10-19 2021-12-21 普泛能源技术研究院(北京)有限公司 Adjustable combined cooling and power system and process and operation method thereof
CN114485203A (en) * 2022-01-28 2022-05-13 山西启光发电有限公司 System and method for reducing backpressure of condenser of air cooling unit

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CN207214215U (en) * 2017-09-15 2018-04-10 中国建筑标准设计研究院有限公司 A kind of compression type heat heat pump heating system using Air-cooled Unit subsidiary engine cooling water heat
CN208139315U (en) * 2018-05-03 2018-11-23 淄博英诺威圣节能科技有限公司 A kind of system eliminated boiler and industrial furnace chimney and emit white cigarette

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US4055299A (en) * 1975-08-05 1977-10-25 Stal-Laval Turbin Ab Energy source for large heating systems
JPH0291404A (en) * 1988-09-27 1990-03-30 Masayuki Arai Exhaust absorbing steam motor
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Publication number Priority date Publication date Assignee Title
CN110645587A (en) * 2019-11-01 2020-01-03 浙江城建煤气热电设计院有限公司 Flue gas takes off white device condensate waste heat recovery and utilizes system
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CN111928511B (en) * 2020-08-07 2021-09-07 西安西热节能技术有限公司 Liquefied air energy storage peak shaving system and method based on compressor intermediate suction
CN113818934A (en) * 2021-10-19 2021-12-21 普泛能源技术研究院(北京)有限公司 Adjustable combined cooling and power system and process and operation method thereof
CN114485203A (en) * 2022-01-28 2022-05-13 山西启光发电有限公司 System and method for reducing backpressure of condenser of air cooling unit

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CN109779704B (en) 2020-04-10

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