CN113670086A - Shading wind-proof air cooling island waste incineration power plant with coupled compressed air energy storage - Google Patents
Shading wind-proof air cooling island waste incineration power plant with coupled compressed air energy storage Download PDFInfo
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- CN113670086A CN113670086A CN202110928417.4A CN202110928417A CN113670086A CN 113670086 A CN113670086 A CN 113670086A CN 202110928417 A CN202110928417 A CN 202110928417A CN 113670086 A CN113670086 A CN 113670086A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
- F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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Abstract
The invention relates to the technical field of waste incineration power plants, in particular to a light-shading wind-proof air cooling island waste incineration power plant coupled with compressed air energy storage, which comprises a waste incineration power generation system, a light-shading wind-proof air cooling island and a compressed air energy storage/release system, wherein the waste incineration power generation system comprises an incineration boiler, a waste heat boiler, a steam turbine and a first generator, a slag pool is arranged at the bottom of the incineration boiler, a feed hopper is arranged at one side of the incineration boiler, the steam turbine is connected with the first generator, the inlet end of the waste heat boiler is connected with the outlet end of the incineration boiler, the outlet end of the waste heat boiler is connected with a smoke treatment system, the outlet end of the smoke treatment system is connected with a chimney, and one end of the light-shading wind-proof air cooling island is connected with a gas storage pipe. The invention combines the avoidance of the influence of the environment on the heat exchange performance of the air cooling island with the recycling of hot air after heat exchange, combines the optimization of cold end treatment of a waste incineration power plant with the power supply operation of the power plant, and has stable and efficient operation.
Description
Technical Field
The invention relates to the technical field of waste incineration power plants, in particular to a shading wind-proof air cooling island waste incineration power plant with coupled compressed air energy storage.
Background
At present, in a waste incineration power generation system, high-temperature smoke generated by burning waste fuel is usually used for heating water, generated high-temperature steam pushes a steam turbine to do work for power generation, exhausted steam after doing work needs to be cooled and is changed into condensed water to be sent back to smoke again, a water heat exchange system continues to perform water and steam circulation, and in order to improve the conversion rate of waste incineration heat and reduce heat loss, the efficiency of a steam turbine which pushes a generator to rotate is particularly critical, the exhausted steam end of the steam turbine is a cold end, the processing effect of the exhausted steam end of the steam turbine determines the vacuum degree of the steam turbine, the vacuum degree of the steam turbine directly influences the power generation efficiency of the steam turbine, and therefore the efficiency of cold end structural arrangement and processing plays a vital role in the whole system.
The condenser is widely applied in the field of cold end treatment, can establish vacuum and maintain vacuum at the steam exhaust position of a steam turbine besides condensing the exhaust steam of the steam turbine into liquid water for reuse, is widely applied to exhaust steam condensation of a power plant, and has the advantages of low water consumption, small occupied area, short construction period and the like, the direct air-cooled condenser is called an air-cooled condenser (ACC) for short, also called an air cooling island, and enables the exhaust steam of a low-pressure cylinder of the steam turbine to be cooled and condensed by air flowing through the outer wall of a heat exchange tube bundle in a closed heat exchange tube bundle, cooling air is usually driven by an axial flow fan, the radiator tube bundle of a conventional air cooling island is arranged in an A shape, the axial flow fan is arranged at the lower end of the A-shaped opening, and the exhaust steam of the steam turbine enters from the top of the A-shaped tube bundle through a steam distribution pipeline; the A-shaped tube bundle is divided into a downstream area which flows from top to bottom and a counter-flow area which flows from bottom to top, spent steam is subjected to forced ventilation air heat exchange with an axial flow fan on the heat exchange outer wall in the process of passing through the tube bundle in the downstream area and the counter-flow area, finally condensed water is collected into a condensed water tank through a condensed water pipeline at the bottom of the A-shaped tube bundle, and the whole A-shaped tube bundle and a lower end fan group are usually arranged on an air cooling platform consisting of a concrete support column and a steel truss.
The air cooling island of current design installation operation, air cooling platform ground surface are up to forty-five ten meters, and open environment is also arranged in to A type tube bank, and therefore air cooling island operation cooling efficiency receives the ambient environment influence great, for example: under the influence of transverse wind, the air cooling island has a rotational flow phenomenon, a hot air recirculation phenomenon and a backflow phenomenon, the heat exchange effect of the condenser is deteriorated, the back pressure of an air cooling system is increased, and energy waste is caused; furthermore, the method comprises the following steps: in summer, the cooling efficiency of the air cooling island is obviously reduced under the influence of a high-temperature environment and a sunlight direct-injection air cooling island heat exchange tube bundle, the exhaust steam pressure and the temperature of the steam turbine are increased along with the reduction of the cooling efficiency of the air cooling island, and the work doing and the overall power generation efficiency of the steam turbine are finally influenced.
In addition, the air subjected to heat exchange by the air cooling island often reaches fifty-six degrees centigrade, and the conventional air cooling island is not required to be collected and further utilized due to the open environment; at present, the design idea of the invention for utilizing hot air after heat exchange of an air cooling island is available, and the invention patent application with application publication number of CN 106225005A and application date of 2016, 12 and 14 discloses a patent document named as a waste heat circulating system of a direct air cooling tower, which mainly comprises a brine tank, a filter screen, a high-pressure pump, a regulating valve and an air cooling unit; the hot air after heat exchange is collected through the air suction pipelines and the air suction openings which are axially fixed on the A-type finned tubes at intervals between the adjacent finned tubes, and the collected hot air is used for the air for boiler combustion.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a shading and windproof air cooling island waste incineration power plant with coupled compressed air energy storage, which combines the avoidance of the influence of the environment on the heat exchange performance of an air cooling island with the recycling of hot air after heat exchange, combines the optimization of cold end treatment of the waste incineration power plant with the power supply operation of the power plant, has good market competitiveness and is worthy of recommendation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is an air cooling island waste incineration power plant is prevent wind in shading of coupling compressed air energy storage, includes that waste incineration power generation system, shading prevent wind air cooling island, compressed air store up/release energy system, waste incineration power generation system includes that the stove is including burning boiler, exhaust-heat boiler, steam turbine and first generator, it is equipped with the slag bath to burn boiler bottom, it installs the feeder hopper to burn boiler one side, steam turbine is connected with first generator, the exhaust-heat boiler entrance point links to each other with the burning boiler exit end, the exhaust-heat boiler exit end is connected with flue gas treatment system, the chimney is connected to flue gas treatment system exit end, air cooling island one end is prevented wind in the shading is connected with the gas storage pipe.
Preferably, the shading and windproof air cooling island comprises support columns, an inverted A-shaped condenser tube bundle and an air draft type axial flow fan, a steel truss platform is arranged among the support columns, a wind shielding wall is arranged at the top of each support column, a photovoltaic panel support frame is arranged at the top of the wind shielding wall, an exhaust pipe is arranged on the surface of the bottom of the photovoltaic panel support frame, the tail end of the exhaust pipe is connected with a three-way valve, one end of the three-way valve is connected with an exhaust port, one end of the three-way valve is connected with an air storage pipe, the bottom of the exhaust port is connected with a drain pipe, a plurality of inverted A-shaped condenser tube bundles are arranged on the upper surface of the steel truss platform, a steam distribution pipe is connected at the top of the inverted A-shaped condenser tube bundle, a condensed water pipeline is connected at the bottom of the inverted A-shaped condenser tube bundle, a condensed water tank is connected at one end of the condensed water pipeline, and a condensed water pump is connected to one side of the waste heat boiler, and the water outlet of the condensate pump is connected with the condensate tank through a pipeline.
Preferably, the outer wall of the steam distribution pipe is provided with a heat insulation layer, a cylindrical cover body is arranged outside the air draft type axial flow fan, and the cylindrical cover body is connected to the exhaust pipe in a sealing mode.
Preferably, the top of the photovoltaic panel support frame is tiled with a photovoltaic solar panel, the photovoltaic panel support frame is inclined to the local direct solar radiation direction by an angle alpha, and the angle alpha is the optimal inclination angle of the local photovoltaic solar panel.
Preferably, the compressed air energy storage/release system comprises a first drying chamber, a first air compressor, a second drying chamber, a second air compressor and an air storage chamber, an inlet of the first drying chamber is connected with the air storage pipe, an inlet of the second drying chamber is connected with the outside atmosphere, an outlet of the first drying chamber is connected with the first air compressor through a pipeline, an outlet of the second drying chamber is connected with the second air compressor through a pipeline, outlets of the first air compressor and the second air compressor are respectively connected with the air storage chamber through pipelines, an air outlet end of the air storage chamber is connected with the air release valve through a pipeline, the air release valve is connected with an air turbine through a pipeline, a shaft end of the air turbine is connected with a second generator, the first generator is electrically connected with the first air compressor, and the first generator is electrically connected with the second air compressor.
The shading wind-proof air cooling island waste incineration power plant with the coupled compressed air energy storage has the beneficial effects that: the air cooling island can effectively avoid the influence of transverse wind, after-furnace wind and summer high-temperature illumination on heat exchange of the air cooling island in a changeable external environment in four seasons, can stably and efficiently operate, a wind blocking wall is additionally arranged in the transverse direction of a heat exchange tube bundle of a condenser, the influence of the environmental wind on an air inlet of an axial flow fan is avoided, the inverted A-type condenser tube bundle is designed and a wind feeding type axial flow fan is changed into an air draft type, an air outlet is arranged at the top of the wind blocking wall and is far away from an air inlet of the condenser, the phenomenon that hot air backflow, hot air backflow and the like influence on the heat exchange efficiency of the condenser is effectively avoided, the stability and the high efficiency of the operation of the condenser are improved, in addition, a solar photovoltaic plate is arranged at the top of the air cooling island, the direct irradiation of the high-temperature illumination on the outer surface of the condenser is effectively reduced, solar photovoltaic power generation is utilized while the sun is shaded, the efficiency of the air cooling island is improved, the air draft type axial flow fan is simultaneously increased by combining with a cylindrical cover body, The exhaust pipe, the gas storage pipe and the compressed air energy storage system can keep the power plant to operate under the full working condition at different time periods during the operation day; during the time of surplus power supply, surplus power can be supplied to the compressor to compress air for energy storage, and when the power supply is insufficient, the compressed air energy storage system can release air to do work and generate power, the collected hot air is used as a compressed air energy storage medium, the energy of the hot air after the heat exchange of the air cooling island is effectively utilized, the effective recycling of the energy is realized, a three-way valve, an exhaust port, a second drying chamber and a second air compressor are additionally arranged, the flow of the compressed hot air stored energy can be flexibly regulated and controlled according to the surplus power, the compressed hot air can be discharged to the atmosphere through a three-way valve and an exhaust port when the flow is surplus, the second drying chamber external air inlet can supplement the flow when the flow is insufficient, the integrated compressed hot air energy storage/release system ensures that the garbage incineration power generation stably and continuously operates, the fluctuation of peaks and valleys of power supply is effectively avoided, the daily average garbage incineration treatment capacity of the plant is stable, and the whole garbage incineration power plant can stably and efficiently operate.
Drawings
FIG. 1 is a schematic structural view of a garbage incineration power plant with a shading, wind-proof and air-cooling island for coupling compressed air energy storage according to the present invention;
in the figure: the device comprises a support column 1, a wind-shield wall 2, a steam distribution pipe 3, a heat insulation layer 4, a drain pipe 5, an exhaust port 6, a photovoltaic solar panel 7, a photovoltaic panel support frame 8, an exhaust pipe 9, an air draft type axial flow fan 10, a cylindrical cover body 11, an inverted A-shaped condenser tube bundle 12, a condensed water pipeline 13, a steel truss platform 14, a three-way valve 15, an air storage pipe 16, a first drying chamber 17, a first air compressor 18, an air storage chamber 19, an air turbine 20, an air release valve 21, a first generator 22, a slag bath 23, an incineration boiler 24, a feed hopper 25, a flue gas treatment system 26, a chimney 27, a waste heat boiler 28, a steam turbine 29, a second drying chamber 30, a second air compressor 31, a second generator 32, a condensed water pump 33 and a condensed water tank 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, an air cooling island msw incineration power plant is prevent wind in shading of coupling compressed air energy storage, including msw incineration power generation system, the air cooling island is prevent wind in shading, compressed air stores up/energy release system, the air cooling island is prevent wind in shading includes support column 1, type of falling A condenser tube bank 12 and air-draft axial fan 10, install steel truss platform 14 between a plurality of support columns 1, wind-break wall 2 is installed at support column 1 top, photovoltaic board support frame 8 is installed at wind-break wall 2 top, photovoltaic board support frame 8 top has tiled photovoltaic solar panel 7, photovoltaic board support frame 8 inclines alpha angle to local solar straight incidence, alpha angle is local photovoltaic solar panel best inclination, be convenient for improve photovoltaic solar panel 7's work efficiency.
8 bottom surface mounting of photovoltaic board support frame has blast pipe 9, 9 end-to-end connection of blast pipe has three-way valve 15, 15 one end of three-way valve is connected with gas vent 6, 15 one end of three-way valve is connected with gas storage pipe 16, 6 bottoms of gas vent are connected with drain pipe 5, 14 upper surface mounting of steel truss platform has a plurality of type of falling A gas condenser tube bundles 12, type of falling A gas condenser tube bundles 12 top is connected with steam distribution pipe 3, 3 outer walls of steam distribution pipe are equipped with thermal-insulated heat preservation 4, air-extracting type axial fan 10 is equipped with the cylindric cover body 11 outward, 11 sealing connection of the cylindric cover body to blast pipe 9, be convenient for collect the air transportation.
The bottom of the inverted A-shaped condenser tube bundle 12 is connected with a condensed water pipeline 13, one end of the condensed water pipeline 13 is connected with a condensed water tank 34, one side of the waste heat boiler 28 is connected with a condensed water pump 33 through a pipeline, the water outlet of the condensed water pump 33 is connected with the condensed water tank 34 through a pipeline, exhaust steam sent by an exhaust steam pipeline in the waste incineration power generation system enters the inverted A-shaped condenser tube bundle 12 through a steam distribution pipe 3, passes through a downstream and upstream heat exchange area, the exhaust steam in the inverted A-shaped condenser tube bundle 12 exchanges heat with air forcibly ventilated outside the tube, finally, the exhaust steam is condensed into water, and is collected to the condensed water tank 34 through the condensed water pipeline, under the action of the circulating water pump 33, the condensed water is sent back to the waste heat boiler of the waste incineration power generation system, and water and steam circulation is continuously completed; the hot air is exchanged outside the inverted A-shaped condenser tube bundle 12, under the action of the air draft type axial flow fan 10, enters the condenser through an inlet of the inverted A-shaped condenser tube bundle 12, is changed into hot air after being ventilated and flows through the outer side of the inverted A-shaped condenser tube bundle 12 for heat exchange, flows through the air draft axial flow fan 10 and the cylindrical cover body 11 to be collected to the exhaust pipe 9, is adjusted by the three-way valve 15, part or all of the hot air is sent to the compressed air energy storage/release system through the air storage pipe 16, and the rest of the hot air is exhausted through an exhaust port 6 at the tail end of the exhaust pipe 9; the photovoltaic solar panel 7 is arranged at the top of the shading wind shielding air cooling island, normally works to generate electricity in the daytime during the illumination period, stops working at night or below the lowest illumination intensity, preferentially supplies station power for photovoltaic power generation, supplies power for the surplus part to output, when the power supply capacity of the first generator 22 combined with the photovoltaic power generation is matched with the demand and no surplus power exists, all hot air collected by the exhaust pipe 9 flows through the three-way valve 15 and the exhaust port 6 to be exhausted to the outside, and the compressed air energy storage/release system does not work; when the first generator has surplus power supply capacity combined with photovoltaic power generation, surplus power can be supplied to the first air compressor 18 to work, part or all of hot air collected by the exhaust pipe 9 is led to the air storage pipe 16 through the adjustment of the three-way valve 15, then the hot air is compressed and stored in the air storage chamber 19 through the first drying chamber 17 and the first air compressor 18, and the rest of the hot air is exhausted to the outside through the exhaust port 6.
The compressed air energy storage/release system comprises a first drying chamber 17, a first air compressor 18, a second drying chamber 30, a second air compressor 31 and an air storage chamber 19, wherein the inlet of the first drying chamber 17 is connected with an air storage pipe 16, the inlet of the second drying chamber 30 is connected with the outside atmosphere, the outlet of the first drying chamber 17 is connected with the first air compressor 18 through a pipeline, the outlet of the second drying chamber 30 is connected with the second air compressor 31 through a pipeline, the outlets of the first air compressor 18 and the second air compressor 31 are respectively connected with the air storage chamber 19 through pipelines, the air outlet end of the air storage chamber 19 is connected with a release valve 21 through a pipeline, the release valve 21 is connected with an air turbine 20 through a pipeline, the shaft end of the air turbine 20 is connected with a second generator 32, the first generator 22 is electrically connected with the first air compressor 18, the first generator 22 is electrically connected with the second air compressor 31, when the first generator is combined with the power supply capacity of photovoltaic power generation, the surplus electric power can be supplied to the first air compressor 18 to work, the surplus electric power is adjusted by the three-way valve 15, part or all of the hot air collected by the exhaust pipe 9 is led to the air storage pipe 16, then the hot air is compressed and stored into the air storage chamber 19 through the first drying chamber 17 and the first air compressor 18, and the surplus hot air is exhausted to the outside through the exhaust port 6; when the first generator 22 has more surplus power in combination with the power supply capacity of photovoltaic power generation, surplus power supplies the first air compressor 18 to work, the hot air collected through the exhaust pipe 9 is completely compressed and stored into the air storage chamber 19, the surplus power also drives the second air compressor 31 to start, and the outside air is directly compressed and stored into the air storage chamber 19 through the second drying chamber 30 and the second air compressor 31; when the power supply capacity of the first generator combined with photovoltaic power generation cannot meet the power supply requirement, the compressed air in the air storage chamber 19 enters the air turbine 20 through a pipeline to do work through expansion by adjustment of the air release valve 21, the air after doing work through expansion is discharged to the atmosphere, and the second generator 32 connected with the shaft end of the air turbine 20 generates power and supplies power to complement the external power generation requirement of a power plant.
The waste incineration power generation system comprises an incineration boiler 24, a waste heat boiler 28, a steam turbine 29 and a first generator 22, wherein a slag pool 23 is arranged at the bottom of the incineration boiler 24, a feed hopper 25 is installed on one side of the incineration boiler 24, the steam turbine 29 is connected with the first generator 22, the inlet end of the waste heat boiler 28 is connected with the outlet end of the incineration boiler 24, the outlet end of the waste heat boiler 28 is connected with a flue gas treatment system 26, the outlet end of the flue gas treatment system 26 is connected with a chimney 27, and one end of a shading windproof air cooling island is connected with a gas storage pipe 16.
The working principle is as follows: exhausted steam sent by an exhausted steam pipeline in a waste incineration power generation system enters an inverted A-shaped condenser tube bundle 12 through a steam distribution pipe 3, passes through a downstream and upstream heat exchange area, exchanges heat between the exhausted steam in the inverted A-shaped condenser tube bundle 12 and air forcibly ventilated outside the waste incineration power generation system, finally, the exhausted steam is condensed into water, the water is collected into a condensation water tank 34 through the condensation water pipeline, the condensation water is sent back to a waste heat boiler of the waste incineration power generation system under the action of a circulating water pump 33, water and steam circulation is continuously completed, hot air is exchanged outside the inverted A-shaped condenser tube bundle 12, under the action of an air draft type axial flow fan 10, external air entering through an inlet of the inverted A-shaped condenser tube bundle 12 is changed into hot air after being exchanged heat outside the inverted A-shaped condenser tube bundle 12, then flows through the air draft type axial flow fan 10 and a cylindrical cover body 11 and is collected to an exhaust pipe 9, and is adjusted by a three-way valve 15, and part or all of the hot air is sent to a compressed air energy storage/release system through an air storage pipe 16, the rest hot air is exhausted through an exhaust port 6 at the tail end of an exhaust pipe 9, a photovoltaic solar panel 7 arranged at the top of the shading wind shielding air cooling island normally works and generates power in the day illumination period, stops working at night or below the minimum illumination intensity, preferentially supplies service power for photovoltaic power generation, supplies power for the rest part and outputs the rest part, when the first generator 22 is combined with the power supply capacity of the photovoltaic power generation to be matched with the requirement, and when no rest power exists, all the hot air collected through the exhaust pipe 9 flows through a three-way valve 15 and the exhaust port 6 and is exhausted to the outside, and the compressed air energy storage/release system does not work; when the first generator is surplus by combining the power supply capacity of photovoltaic power generation, surplus power can be supplied to the first air compressor 18 to work, part or all of hot air collected by the exhaust pipe 9 is led to the air storage pipe 16 through the adjustment of the three-way valve 15, then the hot air is compressed and stored into the air storage chamber 19 through the first drying chamber 17 and the first air compressor 18, and the rest of hot air is exhausted to the outside through the exhaust port 6; when the first generator 22 has more surplus power in combination with the power supply capacity of photovoltaic power generation, surplus power supplies the first air compressor 18 to work, the hot air collected through the exhaust pipe 9 is completely compressed and stored into the air storage chamber 19, the surplus power also drives the second air compressor 31 to start, and the outside air is directly compressed and stored into the air storage chamber 19 through the second drying chamber 30 and the second air compressor 31; when the power supply capacity of the first generator combined with photovoltaic power generation cannot meet the power supply requirement, the compressed air in the air storage chamber 19 enters the air turbine 20 through a pipeline to do work by expansion, the air after the work by expansion is discharged to the atmosphere, and the second generator 32 connected with the shaft end of the air turbine 20 generates power and supplies power to supplement the external power generation requirement of a power plant.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A shading windproof air cooling island garbage incineration power plant coupled with compressed air energy storage is characterized by comprising a garbage incineration power generation system, a shading windproof air cooling island and a compressed air energy storage/release system, the waste incineration power generation system comprises a furnace comprising an incineration boiler (24), a waste heat boiler (28), a steam turbine (29) and a first generator (22), a slag pool (23) is arranged at the bottom of the incineration boiler (24), a feed hopper (25) is arranged at one side of the incineration boiler (24), the steam turbine (29) is connected with the first generator (22), the inlet end of the waste heat boiler (28) is connected with the outlet end of the incineration boiler (24), the outlet end of the waste heat boiler (28) is connected with a flue gas treatment system (26), the outlet end of the flue gas treatment system (26) is connected with a chimney (27), and one end of the shading windproof air cooling island is connected with a gas storage pipe (16).
2. The coupled compressed air energy storage shading wind-proof air cooling island waste incineration power plant as claimed in claim 1, wherein the wind-proof air cooling island comprises support columns (1), inverted A-shaped condenser tube bundles (12) and an air draft type axial flow fan (10), a steel truss platform (14) is installed between a plurality of the support columns (1), a wind-break wall (2) is installed at the top of each support column (1), a photovoltaic panel support frame (8) is installed at the top of each wind-break wall (2), an exhaust pipe (9) is installed on the surface of the bottom of each photovoltaic panel support frame (8), a three-way valve (15) is connected to the end of each exhaust pipe (9), one end of each three-way valve (15) is connected with an exhaust port (6), one end of each three-way valve (15) is connected with a gas storage pipe (16), the bottom of each exhaust port (6) is connected with a water drainage pipe (5), a plurality of inverted A-shaped condenser tube bundles (12) are installed on the upper surface of each steel truss platform (14), the utility model discloses a waste heat boiler, including a waste heat boiler (28), a type of falling A condenser tube bank (12) top is connected with steam distribution pipe (3), type of falling A condenser tube bank (12) bottom is connected with condensate pipe way (13), condensate pipe way (13) one end is connected with condensate tank (34), there is condensate pump (33) exhaust-heat boiler (28) one side through the pipe connection, be connected between condensate pump (33) delivery port through pipeline and condensate tank (34).
3. The shading wind-proof air-cooled island waste incineration power plant capable of coupling compressed air energy storage according to claim 2, wherein the outer wall of the steam distribution pipe (3) is provided with a heat insulation layer (4), a cylindrical cover body (11) is arranged outside the air-draft axial flow fan (10), and the cylindrical cover body (11) is hermetically connected to the exhaust pipe (9).
4. The shading wind-proof air-cooled island waste incineration power plant capable of coupling compressed air energy storage according to claim 2, wherein a photovoltaic solar panel (7) is tiled on top of the photovoltaic panel support frame (8), the photovoltaic panel support frame (8) is inclined to the direct local solar radiation by an angle α, and the angle α is the optimal inclination angle of the local photovoltaic solar panel.
5. The shading wind-proof air-cooled island garbage incineration power plant for coupling compressed air energy storage according to claim 1, wherein the compressed air energy storage/release system comprises a first drying chamber (17), a first air compressor (18), a second drying chamber (30), a second air compressor (31) and an air storage chamber (19), an inlet of the first drying chamber (17) is connected with an air storage pipe (16), an inlet of the second drying chamber (30) is connected with the outside atmosphere, an outlet of the first drying chamber (17) is connected with the first air compressor (18) through a pipeline, an outlet of the second drying chamber (30) is connected with the second air compressor (31) through a pipeline, outlets of the first air compressor (18) and the second air compressor (31) are respectively connected with the air storage chamber (19) through a pipeline, an air release valve (21) is connected with an air storage end of the air storage chamber (19) through a pipeline, the air release valve (21) is connected with the air turbine (20) through a pipeline, the shaft end of the air turbine (20) is connected with a second generator (32), the first generator (22) is electrically connected with the first air compressor (18), and the first generator (22) is electrically connected with the second air compressor (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928417.4A CN113670086A (en) | 2021-08-13 | 2021-08-13 | Shading wind-proof air cooling island waste incineration power plant with coupled compressed air energy storage |
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