CN114396612A - Boiler water cycle deacidification desulphurization unit - Google Patents

Boiler water cycle deacidification desulphurization unit Download PDF

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Publication number
CN114396612A
CN114396612A CN202111446735.3A CN202111446735A CN114396612A CN 114396612 A CN114396612 A CN 114396612A CN 202111446735 A CN202111446735 A CN 202111446735A CN 114396612 A CN114396612 A CN 114396612A
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CN
China
Prior art keywords
pipeline
water supply
boiler
drainage
continuous steam
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Pending
Application number
CN202111446735.3A
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Chinese (zh)
Inventor
张汉超
王文钢
刘长瑞
芦宝祥
张玉良
刘洪宇
王帆
田景晨
仇岩
王金宝
付聚超
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Huaneng Yichun Thermoelectricity Co ltd
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Huaneng Yichun Thermoelectricity Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Huaneng Yichun Thermoelectricity Co ltd filed Critical Huaneng Yichun Thermoelectricity Co ltd
Priority to CN202111446735.3A priority Critical patent/CN114396612A/en
Publication of CN114396612A publication Critical patent/CN114396612A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/50—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers for draining or expelling water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, 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
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, 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
    • F22D11/00—Feed-water supply not provided for in other main groups
    • F22D11/02—Arrangements of feed-water pumps
    • F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses a boiler water circulation deacidification and desulfurization device, which has the beneficial effects that steam and qualified boiler water in a boiler drainage flash tank can be returned to a unit part operation device for reuse without chemical dosing and coal heating treatment; install the electrically operated gate and regulate and control on the hydrophobic flash vessel atmospheric pipe of boiler, install continuous steam extraction to the oxygen-eliminating device pipeline on the hydrophobic flash vessel of boiler simultaneously, retrieve the steam in the flash vessel to the oxygen-eliminating device. The pipeline from backwater to the deaerator is arranged at the outlet of the boiler drain pump, so that high-quality drain water is directly utilized, and the effect of circulating deacidification and desulfurization of furnace water is achieved.

Description

Boiler water cycle deacidification desulphurization unit
Technical Field
The invention relates to the technical field of water circulation deacidification and desulfurization, in particular to a boiler water circulation deacidification and desulfurization device.
Background
When the existing once-through boiler is in the initial starting stage of a unit or during wet peak regulation, boiler water in a water storage tank can enter a drainage flash tank of the boiler to perform temperature and pressure reduction operation. The existing boiler drainage flash tank is an atmospheric drainage flash tank, most high-energy steam after pressure reduction is discharged to the atmosphere through an emptying pipeline, discharged boiler water needs to be replenished with chemical desalted water again to reach steam-water balance, a large amount of heat loss and water resource waste can be caused by the operation mode, the unit efficiency is reduced, and the purposes of energy saving and consumption reduction of power plants advocated by the state cannot be achieved.
Disclosure of Invention
The technical scheme of the invention for realizing the aim is as follows: the utility model provides a boiler water cycle deacidification desulphurization unit, includes: the boiler is connected to the drainage flash tank through a boiler water drainage flash structure, and the drainage flash tank is connected to the deaerator through an exhaust structure and a drainage structure;
the drainage structure includes: the system comprises a drain pump, a water supply pipeline, a boiler condensate tank, a condenser, a water supply manual valve, a water supply check valve, a water supply adjusting electric pump, a water supply electric valve, a water supply water drain pipeline and a condenser pipeline;
the steam trap is installed on the water supply pipeline, the water supply pipeline is communicated with the deaerator and the boiler condensate tank, the condenser is installed on the boiler condensate tank, the water supply electric valve is installed on a pipeline where the water supply adjusting electric pump is located, the water supply electric valve is communicated with the boiler and the boiler condensate tank, the water supply drain pipe is installed on the water supply pipeline, the water supply manual valve and the water supply check valve are installed on the water supply drain pipe, and the steam trap pipeline is installed on the water supply pipeline.
Preferably, the furnace water hydrophobic expansion structure comprises: the device comprises a drainage flash tank, an atmospheric pipeline and an electric exhaust regulating valve;
the steam exhaust electric regulating valve is arranged on the atmospheric pipeline, and the atmospheric pipeline is arranged on the drainage flash tank.
Preferably, the exhaust structure comprises: the steam trap comprises a drainage flash tank, a deaerator, a continuous steam discharge pipeline, a continuous steam discharge manual valve, a continuous steam discharge check valve, a continuous steam discharge adjusting electric valve, a continuous steam discharge electric valve and a continuous steam discharge extended drainage pipeline;
the continuous steam discharging pipeline is communicated with the drainage flash tank and the deaerator, and the continuous steam discharging manual valve, the continuous steam discharging check valve, the continuous steam discharging adjusting electric valve, the continuous steam discharging electric valve and the continuous steam discharging extended-range drainage pipeline are installed on the continuous steam discharging pipeline.
Preferably, a water quality sensor is arranged in the drainage flash tank.
Preferably, a cooling heat conduction structure is installed on the drain flash tank;
the cooling heat conduction structure comprises: the device comprises a heat-conducting sleeve box, a liquid pump, a shunt drainage tube and a plurality of outer sleeves;
the outer sleeves are respectively installed on the water supply pipeline, the continuous steam exhaust pipeline and the continuous steam exhaust extended-range drain pipeline, the heat-conducting sleeve box is installed on the outer side of the drain flash tank, the liquid suction pump is installed on the heat-conducting sleeves, the shunt drainage pipe is connected to the liquid suction pump, and the shunt drainage pipe is connected to the outer sleeves.
Preferably, a shunting deoxidization structure is arranged in the deaerator;
the shunting deoxidization structure contains: the device comprises a plurality of flow distribution plates, a plurality of U-shaped flow distribution pipes, a plurality of discharge pipes and a stirring assembly;
a plurality of the flow distribution plate even install in the inboard of oxygen-eliminating device, a plurality of U type shunt tubes cartridge respectively in a plurality of on the flow distribution plate, a plurality of the delivery pipe is installed respectively in a plurality of on the flow distribution plate, and a plurality of the delivery pipe is connected respectively in a plurality of on the U type shunt tubes, the stirring subassembly install in the inboard of oxygen-eliminating device.
Preferably, the stirring assembly comprises: the stirring device comprises a plurality of stirring bearing blocks, a plurality of stirring sheets, a plurality of conduction magnet blocks, a plurality of driving discs, a plurality of driving shafts, a plurality of conduction chain wheels, a conduction chain and a conduction driving machine;
the stirring shaft bearing blocks are respectively installed on the plurality of discharging pipes, the stirring pieces are respectively installed on the plurality of stirring shaft bearing blocks, the driving shafts are evenly installed on the outer sides of the deaerator, the driving disks are respectively installed on the plurality of driving shafts, the conduction driving machine is installed on the deaerator, the transmission chain wheels are respectively installed on the plurality of driving shafts and the driving ends of the conduction driving machine, the transmission chain is sleeved on the plurality of transmission chain wheels, and the plurality of conduction magnet blocks are respectively installed on the plurality of driving disks and the plurality of stirring pieces.
Preferably, a plurality of liquid-gas nets are respectively arranged on the inner sides of the U-shaped shunt pipes and the discharge pipes.
Preferably, pressure gauges are arranged on the drainage flash tank and the deaerator.
Preferably, the drainage flash tank and the deaerator are provided with liquid level meters.
The boiler water circulation deacidification and desulfurization device manufactured by the technical scheme of the invention can return steam and qualified boiler water in the boiler starting drainage flash tank to part of operating equipment of a unit for reuse, an electric door is arranged on a pipeline for exhausting air of the boiler starting drainage flash tank for regulation, meanwhile, a pipeline for continuously exhausting steam to a deaerator is arranged on the boiler starting drainage flash tank, and the steam in the flash tank is recovered to the deaerator. The pipeline from the backwater to the deaerator is arranged at the outlet of the boiler starting drain pump, so that high-quality drain water is directly utilized.
Drawings
Fig. 1 is a schematic structural diagram of a boiler water circulation deacidification and desulfurization device according to the present invention in a main view.
Fig. 2 is a schematic structural diagram of a boiler water circulation deacidification and desulfurization device in a top view.
In the figure: 1. a boiler; 2. a hydrophobic flash tank; 3. a deaerator; 4. a drain pump; 5. a water supply line; 6. a boiler condensate tank; 7. a condenser; 8. a water supply manual valve; 9. a water supply check valve; 10. a water supply regulating electric pump; 11. a water supply electric valve; 12. a water supply and discharge pipeline; 13. an atmospheric duct; 14. an electric exhaust regulating valve; 15. a continuous exhaust line; 16. a manual valve for continuous steam discharge; 17. a continuous steam discharge check valve; 18. a continuous steam exhaust adjusting electric valve; 19. a continuous steam exhaust electric valve; 20. a continuous steam-discharging extended-range drain pipeline; 21. condenser pipeline.
Detailed Description
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example 1
As shown in fig. 1-2, the boiler 1 is connected to the drain flash tank 2 and the boiler condensate tank 6 through a boiler water drain expansion structure, and the drain flash tank 2 and the condensate tank 6 are connected to the deaerator 3 through a steam exhaust structure and a water discharge structure;
specifically, the drainage structure includes: a drain pump 4, a water supply pipeline 5, a boiler condensate tank 6, a condenser 7, a water supply manual valve 8, a water supply check valve 9, a water supply adjusting electric pump 10, a water supply electric valve 11, a water supply and drainage pipeline 12 and a condenser pipeline 21;
specifically, the dredge pump 4 install in on the water supply pipeline 5, the water supply pipeline 5 communicate in boiler condensate tank 6 and oxygen-eliminating device 3, the condenser 7 install in on the boiler condensate tank 6, water supply electric valve 11 install in on the pipe of water supply regulation electric pump 10 place, just water supply regulation pump 11 communicate in boiler 1 and boiler condensate tank 6, water supply bleeder 12 is installed on water supply pipeline 5, water supply manual valve 8 and water supply check valve 9 install in on the water supply bleeder 12, condenser pipeline 21 install in on the water supply pipeline 5.
During the use, the furnace water after 7 condensations of condenser in the condensate water tank 6, 4 exports the hydrophobic water supply pipe 5 of retrieving to oxygen-eliminating device 3 of installation at the hydrophobic pump, guarantees that the furnace water after the condensation can be retrieved as required according to its quality: when the furnace water after the condensation is unsatisfied to retrieve, with the furnace water through water supply drainage pipeline 12 discharge circulating water, when satisfying condenser water quality requirement, retrieve to the condenser through condenser pipeline 21, retrieve to oxygen-eliminating device 3 when satisfying oxygen-eliminating device 3 water quality requirement. Therefore, the condensed furnace water can be utilized to the maximum extent, and a large amount of heat loss and other losses are avoided. The pipeline (water supply pipeline 5) is provided with a drain pump 4, a water supply manual valve 8, a water supply check valve 9, a water supply and discharge pipeline 12 and a condenser pipeline 21.
Example 2
As shown in fig. 1-2, the furnace water hydrophobic expansion structure includes: the device comprises a drainage flash tank 2, an atmospheric pipeline 13 and an electric exhaust regulating valve 14;
specifically, the exhaust electric regulating valve 14 is installed on the atmospheric pipe 13, and the atmospheric pipe 13 is installed on the drain flash tank 2.
When in use, an electric steam exhaust regulating valve 14 is arranged at a proper position of the steam exhaust pipeline 13 of the drainage flash tank 2. The function of the regulating valve (the steam exhaust electric regulating valve 14) is used for regulating the steam exhaust operation mode of the drainage flash tank 2 at any time, when the quality of the furnace water is qualified, the electric regulating valve (the steam exhaust electric regulating valve 14) is completely closed, so that the steam exhaust in the drainage flash tank 2 is recycled to the deaerator 3, when the quality of the furnace water is unqualified, the electric regulating valve (the steam exhaust electric regulating valve 14) is opened by the steam exhaust, and the waste steam is exhausted into the atmosphere.
Example 3
As shown in fig. 1-2, the steam discharging structure comprises: the device comprises a drainage flash tank 2, a deaerator 3, a continuous steam discharge pipeline 15, a continuous steam discharge manual valve 16, a continuous steam discharge check valve 17, a continuous steam discharge adjusting electric valve 18, a continuous steam discharge electric valve 19 and a continuous steam discharge extended-range drainage pipeline 20;
specifically, the continuous steam exhaust pipeline 15 communicate in the hydrophobic flash tank 2 and the deaerator 3, the continuous steam exhaust manual valve 16, the continuous steam exhaust check valve 17, the continuous steam exhaust adjusting electric valve 18, the continuous steam exhaust electric valve 19 and the continuous steam exhaust extended range drain pipeline 21 are installed on the continuous steam exhaust pipeline 15.
When in use, a continuous steam exhaust pipeline 15 for exhausting steam to the deaerator 3 is arranged at a proper position at the upper end of the drainage flash tank 2. When the steam quality in the drainage flash tank 2 is qualified, the qualified steam in the drainage flash tank 2 is continuously discharged into the deaerator 3 to be used for heating the water supply of the boiler 1 and providing high water supply temperature. The pipeline (continuous steam discharging pipeline 15) is provided with a continuous steam discharging manual valve 16, a continuous steam discharging check valve 17, a continuous steam discharging adjusting electric valve 18, a continuous steam discharging electric valve 19 and a continuous steam discharging extended drainage pipeline 20.
Preferably, a water quality sensor is disposed in the drain flash tank 2.
As a preferred scheme, further, a cooling heat conducting structure is installed on the drain flash tank 2;
the cooling heat conduction structure comprises: the device comprises a heat-conducting sleeve box, a liquid pump, a shunt drainage tube and a plurality of outer sleeves;
a plurality of the outer tube install respectively in supply channel 5, continuous steam extraction pipeline 15 and on the hydrophobic pipeline 20 of continuous steam extraction extension, the heat conduction pouring jacket install in hydrophobic flash vessel 2 outside, the drawing liquid pump install in on the heat conduction sleeve, the reposition of redundant personnel drainage tube connect in on the drawing liquid pump, just the reposition of redundant personnel drainage tube connect in a plurality of on the outer tube, optimize the benefit and be: part of high-temperature liquid falls into the inner side of the heat-conducting sleeve box through the liquid pump, and the heat is dissipated out through the heat-conducting sleeve box to recycle the heat.
As a preferable scheme, further, a shunt deoxygenation structure is arranged in the deoxygenator 3;
the shunting deoxidization structure contains: the device comprises a plurality of flow distribution plates, a plurality of U-shaped flow distribution pipes, a plurality of discharge pipes and a stirring assembly;
a plurality of the flow distribution plate even install in the inboard of oxygen-eliminating device 3, a plurality of U type shunt tubes cartridge respectively in a plurality of on the flow distribution plate, a plurality of the delivery pipe is installed respectively in a plurality of on the flow distribution plate, and a plurality of the delivery pipe is connected respectively in a plurality of on the U type shunt tubes, the stirring subassembly install in the inboard of oxygen-eliminating device 3 optimizes the benefit and is: the flow distribution plate and the U-shaped flow distribution pipe are combined into a plurality of siphon drainage interlayers, so that more thorough mixing is achieved.
Preferably, the stirring assembly further comprises: the stirring device comprises a plurality of stirring bearing blocks, a plurality of stirring sheets, a plurality of conduction magnet blocks, a plurality of driving discs, a plurality of driving shafts, a plurality of conduction chain wheels, a conduction chain and a conduction driving machine;
a plurality of the (mixing) bearing piece install respectively in a plurality of on the delivery pipe, a plurality of the stirring piece is installed respectively in a plurality of on the stirring bearing piece, a plurality of the drive shaft even install in the outside of oxygen-eliminating device 3, a plurality of the drive disc install respectively in a plurality of on the drive shaft, the conduction driving machine install in on the oxygen-eliminating device 3, a plurality of drive sprocket installs respectively in a plurality of the drive shaft and on the drive end of conduction driving machine, drive chain suit is in a plurality of on the drive sprocket, a plurality of the conduction magnet piece is installed respectively in a plurality of on drive disc and a plurality of stirring piece, the optimization benefit is: through the cooperation of conduction driver, a plurality of conduction sprocket and conduction chain to reach and produce a plurality of driving disc rotatoryly, through the rotation of the conduction magnet piece on the rotatory driving disc of a plurality of, magnetism drives the magnetism rotation of the stirring piece on a plurality of delivery pipe, thereby has accelerated mixed deoxidization.
Preferably, a plurality of liquid-gas nets are respectively arranged on the inner sides of the plurality of U-shaped shunt pipes and the plurality of discharge pipes.
As a preferable scheme, pressure gauges are further disposed on the drain flash tank 2 and the deaerator 3.
As a preferable scheme, the drain flash tank 2 and the deaerator 3 are further provided with liquid level meters.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a boiler water cycle deacidification desulphurization unit, includes: the boiler is connected to the drainage flash tank through a boiler water drainage flash structure, and the drainage flash tank is connected to the deaerator through a steam exhaust structure and a water drainage structure;
the drainage structure includes: the system comprises a drain pump, a water supply pipeline, a boiler condensate tank, a condenser, a water supply manual valve, a water supply check valve, a water supply adjusting electric pump, a water supply electric valve, a water supply water drain pipeline and a condenser pipeline;
the steam trap is installed on the water supply pipeline, the water supply pipeline is communicated with the deaerator and the boiler condensate tank, the condenser is installed on the boiler condensate tank, the water supply electric valve is installed on a pipeline where the water supply adjusting electric pump is located, the water supply electric valve is communicated with the boiler and the boiler condensate tank, the water supply drain pipe is installed on the water supply pipeline, the water supply manual valve and the water supply check valve are installed on the water supply drain pipe, and the steam trap pipeline is installed on the water supply pipeline.
2. The boiler water circulation deacidification and desulfurization device according to claim 1, wherein said boiler water drainage expansion structure comprises: drainage flash vessel, atmospheric line and the electronic governing valve of steam extraction:
the steam exhaust electric regulating valve is arranged on the atmospheric pipeline, and the atmospheric pipeline is arranged on the drainage flash tank.
3. The boiler water circulation deacidification and desulfurization device according to claim 2, wherein said steam exhaust structure comprises: the steam trap comprises a drainage flash tank, a deaerator, a continuous steam discharge pipeline, a continuous steam discharge manual valve, a continuous steam discharge check valve, a continuous steam discharge adjusting electric valve, a continuous steam discharge electric valve and a continuous steam discharge extended drainage pipeline;
the continuous steam discharging pipeline is communicated with the drainage flash tank and the deaerator, and the continuous steam discharging manual valve, the continuous steam discharging check valve, the continuous steam discharging adjusting electric valve, the continuous steam discharging electric valve and the continuous steam discharging extended-range drainage pipeline are installed on the continuous steam discharging pipeline.
4. The boiler water circulation deacidification and desulfurization device according to claim 3, wherein a water quality sensor is arranged in the drain flash tank.
5. The boiler water circulation deacidification and desulfurization device according to claim 4, wherein a cooling heat conduction structure is installed on the drain flash tank;
the cooling heat conduction structure comprises: the device comprises a heat-conducting sleeve box, a liquid pump, a shunt drainage tube and a plurality of outer sleeves;
the outer sleeves are respectively installed on the water supply pipeline, the continuous steam exhaust pipeline and the continuous steam exhaust extended-range drain pipeline, the heat-conducting sleeve box is installed on the outer side of the drain flash tank, the liquid suction pump is installed on the heat-conducting sleeves, the shunt drainage pipe is connected to the liquid suction pump, and the shunt drainage pipe is connected to the outer sleeves.
6. The boiler water circulation deacidification and desulfurization device according to claim 5, wherein a flow-dividing and oxygen-removing structure is arranged in said oxygen remover;
the shunting deoxidization structure contains: the device comprises a plurality of flow distribution plates, a plurality of U-shaped flow distribution pipes, a plurality of discharge pipes and a stirring assembly;
a plurality of the flow distribution plate even install in the inboard of oxygen-eliminating device, a plurality of U type shunt tubes cartridge respectively in a plurality of on the flow distribution plate, a plurality of the delivery pipe is installed respectively in a plurality of on the flow distribution plate, and a plurality of the delivery pipe is connected respectively in a plurality of on the U type shunt tubes, the stirring subassembly install in the inboard of oxygen-eliminating device.
7. The boiler water circulation deacidification and desulfurization device according to claim 6, wherein said stirring assembly comprises: the stirring device comprises a plurality of stirring bearing blocks, a plurality of stirring sheets, a plurality of conduction magnet blocks, a plurality of driving discs, a plurality of driving shafts, a plurality of conduction chain wheels, a conduction chain and a conduction driving machine;
the stirring shaft bearing blocks are respectively installed on the plurality of discharging pipes, the stirring pieces are respectively installed on the plurality of stirring shaft bearing blocks, the driving shafts are evenly installed on the outer sides of the deaerator, the driving disks are respectively installed on the plurality of driving shafts, the conduction driving machine is installed on the deaerator, the transmission chain wheels are respectively installed on the plurality of driving shafts and the driving ends of the conduction driving machine, the transmission chain is sleeved on the plurality of transmission chain wheels, and the plurality of conduction magnet blocks are respectively installed on the plurality of driving disks and the plurality of stirring pieces.
8. The boiler water circulation deacidification and desulfurization device according to claim 7, wherein a plurality of liquid-gas nets are respectively arranged at the inner sides of a plurality of U-shaped shunt pipes and a plurality of discharge pipes.
9. The boiler water circulation deacidification and desulfurization device according to claim 8, wherein pressure gauges are arranged on the drain flash tank and the deaerator.
10. The boiler water circulation deacidification and desulfurization device according to claim 9, wherein a liquid level meter is arranged on the drain flash tank and the deaerator.
CN202111446735.3A 2021-11-30 2021-11-30 Boiler water cycle deacidification desulphurization unit Pending CN114396612A (en)

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CN202111446735.3A CN114396612A (en) 2021-11-30 2021-11-30 Boiler water cycle deacidification desulphurization unit

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Application Number Priority Date Filing Date Title
CN202111446735.3A CN114396612A (en) 2021-11-30 2021-11-30 Boiler water cycle deacidification desulphurization unit

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189873A (en) * 1990-09-12 1993-03-02 Hitachi, Ltd. Combined cycle power plant with water treatment
CN206439808U (en) * 2016-12-15 2017-08-25 东方电气集团东方锅炉股份有限公司 A kind of direct current cooker starts recovery system
CN108870372A (en) * 2018-06-29 2018-11-23 山东电力工程咨询院有限公司 Once-through Boiler drained water recovery system and method based on high-low pressure hydrophobic development unit
CN109404876A (en) * 2018-08-31 2019-03-01 神华国华清远发电有限责任公司 A kind of activation system and starting method of ultra supercritical double reheat boiler
CN214247439U (en) * 2020-11-16 2021-09-21 华能国际电力股份有限公司营口电厂 Novel on-spot exhaust steam of condensing steam turbine unit is hydrophobic to be synthesized and is retrieved device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189873A (en) * 1990-09-12 1993-03-02 Hitachi, Ltd. Combined cycle power plant with water treatment
CN206439808U (en) * 2016-12-15 2017-08-25 东方电气集团东方锅炉股份有限公司 A kind of direct current cooker starts recovery system
CN108870372A (en) * 2018-06-29 2018-11-23 山东电力工程咨询院有限公司 Once-through Boiler drained water recovery system and method based on high-low pressure hydrophobic development unit
CN109404876A (en) * 2018-08-31 2019-03-01 神华国华清远发电有限责任公司 A kind of activation system and starting method of ultra supercritical double reheat boiler
CN214247439U (en) * 2020-11-16 2021-09-21 华能国际电力股份有限公司营口电厂 Novel on-spot exhaust steam of condensing steam turbine unit is hydrophobic to be synthesized and is retrieved device

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