CN201811202U - Fixed-row exhaust steam recovery device of power station boiler - Google Patents

Fixed-row exhaust steam recovery device of power station boiler Download PDF

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Publication number
CN201811202U
CN201811202U CN2010205584707U CN201020558470U CN201811202U CN 201811202 U CN201811202 U CN 201811202U CN 2010205584707 U CN2010205584707 U CN 2010205584707U CN 201020558470 U CN201020558470 U CN 201020558470U CN 201811202 U CN201811202 U CN 201811202U
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CN
China
Prior art keywords
valve
communicated
recycling
drainage pump
fixed
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Expired - Fee Related
Application number
CN2010205584707U
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Chinese (zh)
Inventor
邵伟
刘强
孔海洋
韩东太
张益祥
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Individual
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Individual
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Priority to CN2010205584707U priority Critical patent/CN201811202U/en
Application granted granted Critical
Publication of CN201811202U publication Critical patent/CN201811202U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a fixed-row exhaust steam recovery device of a power station boiler, in particular to an exhaust steam recovery device for a fixed-row expanding vessel of a power station boiler. A recovery tank is internally provided with a water sprayer; a suction pump is arranged on the top end of the recovery tank; a demineralized water pipe is connected with an isolation valve, an electric control valve and a stop valve; one end of the demineralized water pipe is communicated with the suction pump and the water sprayer; the other end of the demineralized water pipe is communicated with a demineralized water tank; both sides of a drainage pump are connected with a rear isolation valve of the drainage pump and a front isolation valve of the drainage pump; the drainage pump is communicated with a drainage pipe; the top of a fixed-row tank is respectively provided with an explosion-proof plate, an isolation valve, a safety valve and an exhaust pipe; and the bottom of the fixed-row tank is respectively connected with a blowdown valve and an electric drainage valve. The utility model has the advantages of simple structure, convenient operation, low investment cost and broad load capacity adaptation range, can recycle the exhaust steam waste heat, reduce the environment and noise pollution and ensure the safe and normal operation of the boiler, and is widely used for recycling the fixed-row exhaust steam waste heat of the power station boiler.

Description

Station boiler is arranged steam exhaust recovering device surely
Technical field:
The utility model relates to a kind of station boiler and arranges steam exhaust recovering device surely, arranges flash vessel steam exhaust recovering device equipment surely especially for station boiler.
Background technology:
At present, in the thermal power generation plant, the exhaust steam of boiler blowdown water after flash distillation that boiler is arranged in the flash vessel surely discharged sky, not only causes thermal waste, and causes environmental pollution and noise pollution.At present, domestic steam exhaust recovering device is just simple realizes that exhaust steam reclaims, and boiler is arranged safe operation under jar variable working condition condition surely consider inadequately, fails the essential safety of implement device.
Summary of the invention:
The purpose of this utility model, provide a kind of station boiler and arrange steam exhaust recovering device surely, it is to utilize to arrange exhaust steam heating demineralized water surely, and realization exhaust steam Waste Heat Recovery is utilized again, improve environmental pollution and noise pollution, the guarantee boiler is arranged the purpose of the normal operation of safety under jar variable working condition condition surely.
The utility model station boiler is arranged steam exhaust recovering device surely and is taked following technical scheme to realize, it is by recycling can, water drenching device, suction pump, fixed row's jar, drainage pump, blowoff valve constitutes, water drenching device is set in the recycling can, device suction pump of recycling can top and exhaust outlet, connect isolating valve and electric control valve and stop valve on the demineralized water pipeline, demineralized water pipeline one end is communicated with suction pump and water drenching device, the demineralized water pipeline other end is communicated with the desalination water pot, the middle part is provided with liquid level gauge on the recycling can, the recycling can bottom connects blowoff valve, isolating valve before isolating valve and the drainage pump behind the both sides connection drainage pump of drainage pump, drainage pump is communicated with drain pipe, gland steam exhauster and fixed row jar go up a gland steam exhauster and are communicated with in the suction pump, the electronic exhaust steam valve of device between two gland steam exhausters, surely arrange the tank top bursting diaphragm and isolating valve and safety valve and gland steam exhauster are set respectively, arrange pot bottom surely and connect blowoff valve and hydrophobic motor-driven valve respectively, drain pipe is communicated with hydrophobic motor-driven valve.The drain pipe of boiler is communicated with hydrophobic motor-driven valve and fixed row's jar, fixed row's jar exhaust steam connects with suction pump by pipeline, recycling can and arrange pot bottom surely recycling can blowoff valve and fixed row's jar blowoff valve are set respectively, surely arrange the tank top electronic exhaust steam valve is set, realization exhaust steam Waste Heat Recovery is utilized again, improve environmental pollution and noise pollution, the safety that the guarantee boiler is arranged under jar variable working condition condition is surely normally moved.
The effect that the utility model station boiler is arranged steam exhaust recovering device surely is simple in structure, easy to operate, the exhaust steam Waste Heat Recovery is utilized again, cost of investment is low, load-bearing capacity accommodation is big, reduce environmental pollution and noise pollution, ensure that boiler safety normally moves, be widely used in station boiler and arrange the appliance arrangement that the exhaust steam Waste Heat Recovery is utilized again surely.
Description of drawings:
The utility model station boiler is arranged steam exhaust recovering device surely and will be described in further detail in conjunction with the accompanying drawings.
Accompanying drawing is the structural representation that the utility model station boiler is arranged steam exhaust recovering device surely.
1---recycling can 2---water drenching device 3---exhaust outlet 4---demineralized water isolating valve 5---electric control valve 6---stop valve 7---suction pump 8---electronic exhaust steam valve 9---bursting diaphragm 10---isolating valve 11---safety valve 12---fixed row jars 13---blowoff valve 14---hydrophobic motor-driven valve 15---isolating valve 16 behind the drainage pump---drainage pump 17---liquid level gauge 18---isolating valve 19 before the drainage pump---blowoff valve
The specific embodiment:
With reference to accompanying drawing, the utility model station boiler is arranged steam exhaust recovering device surely, it is by recycling can 1, water drenching device 2, suction pump 7, fixed row's jar 12, drainage pump 16, blowoff valve 19 constitutes, water drenching device 2 is set in the recycling can 1, recycling can 1 top device suction pump 7 and exhaust outlet 3, connect isolating valve 4 and electric control valve 5 and stop valve 6 on the demineralized water pipeline, demineralized water pipeline one end is communicated with suction pump 7 and water drenching device 2, the demineralized water pipeline other end is communicated with the desalination water pot, the middle part is provided with liquid level gauge 17 on the recycling can 1, recycling can 1 bottom connects blowoff valve 19, isolating valve 18 before isolating valve 15 and the drainage pump behind the both sides connection drainage pump of drainage pump 16, drainage pump 16 is communicated with drain pipe, gland steam exhauster is communicated with gland steam exhauster on fixed row's jar 12 in the suction pump 7, the electronic exhaust steam valve 8 of device between two gland steam exhausters, and fixed row jar 12 tops are provided with bursting diaphragm 9 and isolating valve 10 and safety valve 11 and gland steam exhauster respectively, fixed row jar 12 bottoms connect blowoff valve 19 and hydrophobic motor-driven valve 18 respectively, and drain pipe is communicated with hydrophobic motor-driven valve 14.The drain pipe of boiler is communicated with hydrophobic motor-driven valve 14 and fixed row's jar 12, fixed row's jar 12 exhaust steam connect with suction pump 7 by pipeline, a recycling can 1 and fixed row jar 12 bottoms are provided with recycling can blowoff valve 19 and fixed row's jar blowoff valve 13 respectively, fixed row jar 12 tops are provided with electronic exhaust steam valve 8, realization exhaust steam Waste Heat Recovery is utilized again, improve environmental pollution and noise pollution, the safety that the guarantee boiler is arranged under jar variable working condition condition is surely normally moved.
The utility model station boiler is arranged the embodiment of steam exhaust recovering device surely, it is to be made of recycling can 1, water drenching device 2, suction pump 7, fixed row's jar 12, drainage pump 16, blowoff valve 19, chemical demineralizing water is connected with suction pump 7 with electric control valve by isolating valve 4, one road pipeline connects with water drenching device in the recycling can 12, and recycling can 1 bottom is connected with before recycle-water outlet valve, drainage pump 16, the drainage pump isolating valve 15 behind the isolating valve 18 and drainage pump; The hydrophobic warp of boiler platoon flash vessel is arranged the jar inlet surely and is connected with fixed row's jar 12, and with suction pump 7 connections, a recycling can 1 and fixed row jar 12 bottoms are provided with recycling can blowoff valve 19 and fixed row's jar blowoff valve 13 respectively by pipeline in fixed row's jar 12 exhaust steam.Demineralized water enters suction pump 7 by isolating valve 4 and demineralized water electric control valve 5, utilizes suction pump 7 that exhaust steam is extracted out from fixed row's jar 12, and enters recycling can 1 after the heat exchange; Another road pipeline demineralized water enters recycling can 1 through water drenching device 2, forms suction well, mixed liquor dilatation in recycling can 1, deoxygenation by tangential moisturizing; Oxygen exhaust outlet 3 from the recycling can is discharged, and mixing water isolating valve 18 and drainage pump 16 before recycling can 1 bottom drainage pump are discharged, and reclaim; When water quality was defective, mixing water prevented to pollute through recycling can sewage door 19 row's trenches; The platoon flash vessel is hydrophobic to be entered fixed row jars 12 through hydrophobic motor-driven valve 14 and carries out the flash distillation dilatation, hydrophobicly arranges jar blowoff valve 13 surely by the bottom and discharges, and exhaust steam enters suction pump 7 through pipeline; When the exhaust steam amount increases or reduce, by the unlatching of control demineralized water electric control valve 5, regulate inflow, adapt to load variations; When the system failure, a fixed row jar electronic exhaust steam valve 8 is opened, and with the exhaust steam emptying, if when fixed row's jar 12 pressure continue to rise or fixed row's jar electronic exhaust steam valve 8 faults are not opened, safety valve 11 actions will be arranged jar 12 pressure surely and be lowered; If a large amount of hydrophobic entering in fixed row's jar 12 are arranged suddenly, fixed row's jar 12 pressure sharply rise, when safety valve 11 steam discharge step-downs are untimely, and bursting diaphragm 9 explosions, pressure release; Closing bursting diaphragm 9 bottom bursting diaphragm isolating valves 10 can online replacing bursting diaphragm 9, and liquid level gauge 17 is used for monitoring recycling can 1 liquid level face, and regulates drainage pump 16 water yields according to the liquid level face.

Claims (1)

1. a station boiler is arranged steam exhaust recovering device surely, it is by recycling can (1), water drenching device (2), suction pump (7), fixed row jar (12), drainage pump (16), blowoff valve (19) constitutes, it is characterized in that being provided with in the recycling can (1) water drenching device (2), recycling can (1) top device suction pump (7) and exhaust outlet (3), connect isolating valve (4) and electric control valve (5) and stop valve (6) on the demineralized water pipeline, demineralized water pipeline one end is communicated with suction pump (7) and water drenching device (2), the demineralized water pipeline other end is communicated with the desalination water pot, recycling can (1) is gone up the middle part liquid level gauge (17) is set, recycling can (1) bottom connects blowoff valve (19), isolating valve (18) before isolating valve (15) and the drainage pump behind the both sides connection drainage pump of drainage pump (16), drainage pump (16) is communicated with drain pipe, suction pump (7) go up gland steam exhauster and fixed row jar (12) upward gland steam exhauster be communicated with, device electronic exhaust steam valve (8) between two gland steam exhausters, fixed row jar (a 12) top is provided with bursting diaphragm (9) and isolating valve (10) and safety valve (11) and gland steam exhauster respectively, fixed row jar (a 12) bottom connects blowoff valve (19) and hydrophobic motor-driven valve (18) respectively, and drain pipe is communicated with hydrophobic motor-driven valve (14).
CN2010205584707U 2010-09-29 2010-09-29 Fixed-row exhaust steam recovery device of power station boiler Expired - Fee Related CN201811202U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205584707U CN201811202U (en) 2010-09-29 2010-09-29 Fixed-row exhaust steam recovery device of power station boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205584707U CN201811202U (en) 2010-09-29 2010-09-29 Fixed-row exhaust steam recovery device of power station boiler

Publications (1)

Publication Number Publication Date
CN201811202U true CN201811202U (en) 2011-04-27

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CN2010205584707U Expired - Fee Related CN201811202U (en) 2010-09-29 2010-09-29 Fixed-row exhaust steam recovery device of power station boiler

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108194914A (en) * 2018-03-06 2018-06-22 西安西热锅炉环保工程有限公司 Steam exhaust pressure adjustable water seal arrangement and its method of work are arranged surely by a kind of thermal power plant
CN108895858A (en) * 2018-07-03 2018-11-27 杭州华电能源工程有限公司 A kind of boiler arranges the exhaust steam residual heat recycling system and recoverying and utilizing method of flash vessel surely

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108194914A (en) * 2018-03-06 2018-06-22 西安西热锅炉环保工程有限公司 Steam exhaust pressure adjustable water seal arrangement and its method of work are arranged surely by a kind of thermal power plant
CN108194914B (en) * 2018-03-06 2024-01-19 西安西热锅炉环保工程有限公司 Fixed exhaust steam pressure adjustable water seal device of thermal power plant and working method thereof
CN108895858A (en) * 2018-07-03 2018-11-27 杭州华电能源工程有限公司 A kind of boiler arranges the exhaust steam residual heat recycling system and recoverying and utilizing method of flash vessel surely
CN108895858B (en) * 2018-07-03 2024-04-30 杭州华电能源工程有限公司 Exhaust steam waste heat recycling system and method of boiler fixed-exhaust expansion vessel

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110427

Termination date: 20110929