CN207179623U - A kind of boiler start-up system - Google Patents
A kind of boiler start-up system Download PDFInfo
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- CN207179623U CN207179623U CN201720712942.1U CN201720712942U CN207179623U CN 207179623 U CN207179623 U CN 207179623U CN 201720712942 U CN201720712942 U CN 201720712942U CN 207179623 U CN207179623 U CN 207179623U
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- boiler
- steam
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- pressure
- oxygen
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Abstract
The utility model provides a kind of boiler start-up system, including drum, separator storage tank, high-pressure heater, heat exchanger, counter-infiltration system, filter, oxygen-eliminating device, auxiliary vapour header and rhone;Make full use of the saturation water of steam and HTHP caused by itself unit, and start it is hydrophobic boiler is sent to by multiple circulating-heating again, and form water circulation, make full use of water resource.
Description
Technical field
It the utility model is related to field of thermal power, more particularly to a kind of boiler start-up system.
Background technology
Power station unit needs a certain amount of external steam from auxiliary vapour header in initial start stage, and external steam refers to by neighbour
What machine or starting trouble provided.Because in order to save the energy, outside vapour source uses essentially from adjacent machine, but unit starting stage
Quantity of steam is all bigger, it is possible that the phenomenon that adjacent machine auxiliary steam is inadequate.And use starting trouble steam supply, can cause again energy and
A large amount of wastes of resource.
Electric station DC boiler is before state of becoming a cadre, and a part of saturation water can be separated by starting separator, these saturation waters
It is stored in the storage tank of separator, these water separated are referred to as starting hydrophobic.Currently active hydrophobic discharge mainly has
Two approach below.First, hydrophobic Water Sproading will be started to boiler economizer entrance using boiler water circulating pump.This method is mainly deposited
In following deficiency:It is higher to boiler water circulating pump quality requirement, import is relied primarily on, maintenance is cumbersome, and boiler water circulating pump is to cold
But water water quality requirement is very high, increases water process expense and cost.Second, drain discharge will be started to air flash vessel, expand through air
After container dilatation, steam can be discharged into the air, cause the waste of water and heat.
The water for cleaning boiler in addition does not recycle, and all slatterns.
Utility model content
To solve the above problems, the utility model provides a kind of boiler start-up system, make full use of caused by itself unit
The saturation water of steam and HTHP, and start it is hydrophobic boiler is sent to by multiple circulating-heating again, and form water and follow
Ring, make full use of water resource.
The technical solution of the utility model is:A kind of boiler start-up system, including drum, separator storage tank, high pressure add
Hot device, heat exchanger, counter-infiltration system, filter, oxygen-eliminating device, auxiliary vapour header and rhone;Wherein,
The entrance of the outlet connection pressure flash vessel of separator storage tank, the steam of pressure flash vessel are gone out by the first steam
Mouth connection atmospheric dump valve, the hot water of pressure flash vessel pass through the water inlet that the first delivery port connects high-pressure heater, and pressure expands
The hot water of container connects the entrance of rhone by the second delivery port, and the steam of pressure flash vessel is connected by the second steam (vapor) outlet
The auxiliary entrance of vapour header the 6th, the first outlet of auxiliary vapour header are connected to high-pressure heater vapour side entrance, and the second of auxiliary vapour header goes out
The air intake of mouth connection oxygen-eliminating device, the delivery port of high-pressure heater are connected to the water inlet of oxygen-eliminating device, and oxygen-eliminating device passes through deoxygenation
Water connect the water inlet and boiler feed water mouth of high-pressure heater respectively through delivery port, the drum of boiler connects auxiliary vapour header the 5th
Entrance;Boiler delivery port connects heat exchanger and changed with entering the clean cooling water from external clean cooling water pipeline of heat exchanger
Heat, the rinse water that the boiler by cooling comes out desalts by counter-infiltration system to be entered with impurity from the water inlet of high-pressure heater
Heating, enter oxygen-eliminating device by the water inlet of oxygen-eliminating device by the clean cooling water of heat exchanger.
Boiler delivery port first passes through filter and removes ferrous contaminants, enters back into heat exchanger.It can be cleaned one step ahead,
Mitigate the pressure of counter-infiltration system.
Filter is also directly connected to the import of counter-infiltration system, the connecting tube of the import of filter and counter-infiltration system
The first chain temp.-control valve of the water temperature of the delivery port of filter is provided with road.Prevent the water temperature mistake into counter-infiltration system
Height, influence the performance of counter-infiltration system.The second temp.-control valve is provided with the connecting pipe of filter and heat exchanger, prevent into
It is not high to enter the water temperature of heat exchanger, causes heat transfer effect bad.
External clean cooling water pipeline is also joined directly together with oxygen-eliminating device water inlet, and external clean cooling water pipeline leads to
Threeth temp.-control valve chain with the water temperature of the boiler water outlet by heat exchanger cooling is provided with the pipeline of heat exchanger.It is convenient to adjust
When saving the water for entering heat exchanger cooling, and need not conveniently be exchanged heat, oxygen-eliminating device is led directly to.
Pressure flash vessel is provided with the pipeline of the water inlet of the first delivery port connection high-pressure heater of pressure flash vessel
First level control valve, pressure flash vessel the is provided with the inlet duct of the second delivery port connection rhone of pressure flash vessel
Two level control valves, the second outlet of auxiliary vapour header, which connects, is provided with the regulation of oxygen-eliminating device steam supply on the pipeline of the air intake of oxygen-eliminating device
Valve, high-pressure heater steam supply tune is provided with the pipeline for the steam inlet that the first outlet of auxiliary vapour header is connected to high-pressure heater
Valve is saved, the delivery port of high-pressure heater, which is connected in the water inlet conduit of oxygen-eliminating device, is provided with high-pressure heater level control valve,
The pipeline of the water inlet of the delivery port connection high-pressure heater of oxygen-eliminating device is provided with the level control valve of oxygen-eliminating device first, oxygen-eliminating device
The pipeline of delivery port connection boiler feed water mouth is provided with the level control valve of oxygen-eliminating device second.
Also include boiler reheater, the first decrease temperature and pressure valve, boiler body boiler sootblowing steam main pipe, the second decrease temperature and pressure valve,
Wherein,
The outlet of boiler reheater is connected to the entrance of boiler body boiler sootblowing steam main pipe, pot by the first decrease temperature and pressure valve
The outlet of furnace body boiler sootblowing steam main pipe is connected to the first entrance of auxiliary vapour header by the second decrease temperature and pressure valve.
Also include boiler side steam user, steam turbine side steam user, four sections draw gas come steam pipe road, cold section again hot vapour carry out steam pipe
Road and external steam come steam pipe road;Wherein,
Boiler side steam user is connected to the 3rd outlet of auxiliary vapour header;Steam turbine side steam user is connected to auxiliary vapour header
4th outlet;Second to the 4th entrance of auxiliary vapour header be connected to four sections draw gas come steam pipe road, cold section again hot vapour carry out steam pipe
Road and external steam come on steam pipe road.
Four sections draw gas come steam pipe road, cold section again hot vapour come between steam pipe road and auxiliary vapour header to connect by Bidirectional adjusting valve.
So as to facilitate four sections to draw gas, the cold section of steam supply relation again between hot vapour and auxiliary vapour header changed, better profit from steaming
Vapour.
The beneficial effects of the utility model:Reclaim direct current cooker and started hydrophobic and common hot water, do not use stove water circulation
Pump, solve boiler water circulating pump recovery start it is the problems of hydrophobic;Flash chamber does not communicate with air, without resource wave
Take, caused saturation water and saturated vapor itself also has certain pressure after dilatation decompression, can be by water and steaming using the pressure
Vapour is separately recovered into high-pressure heater, auxiliary vapour header;The hydrophobic of separator storage tank connects pressure dilatation by hydrophobic outlet
The entrance of device, the light water of separator storage tank connect the water inlet of high-pressure heater, high-pressure heater by common water out
Delivery port the water inlet of oxygen-eliminating device is connected to by outlet, the water inlet of the water inlet connection high-pressure heater of oxygen-eliminating device, make
Water is sent to boiler again after heating for multiple times, further heated boiler feedwater;The water obtained through excess pressure flash vessel is not direct
Oxygen-eliminating device is sent to, high-pressure heater heating is first passed through, is being sent to oxygen-eliminating device, further heated boiler feedwater so as to water temperature
Degree significantly improves, and then improves boiler economizer, evaporating heating surface and fire box temperature, is advantageous to boiler startup burning, reduces
The insufficient amount of fuel combustion, energy-conservation, and the possibility of the fuel block system of burn incompletely is reduced, influence device fortune
OK;Boiler reheater reduces dependence of the unit starting to external steam, it is outer to shorten use to the auxiliary vapour header steam supply of boiler
The time of portion's steam, also save operating cost.
The water of boiler was cleaned due to hotter, counter-infiltration system should not be directly entered, first passes through heat exchanger with to enter
The clean cooling water of oxygen-eliminating device is exchanged heat, and is then entered back into counter-infiltration system and is removed impurity, by removing deimpurity water
Further heated into high-pressure heater, subsequently into oxygen-eliminating device, enter boiler by deoxygenation, boiler rinsing pipeline, formed whole
Individual water circulation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
1 is boiler reheater, and 2 be the first decrease temperature and pressure valve, and 3 be boiler body boiler sootblowing steam main pipe, and 4 be that the second cooling is dropped
Pressure valve, 5 be the auxiliary vapour header of boiler side, and 6 be boiler side steam user, and 7 be steam turbine side steam user, and 8 draw gas for four sections carrys out steam pipe
Road, 9 be cold section again hot vapour come steam pipe road, 10 be that external steam comes steam pipe road, and 11 be drum, and 12 be separator storage tank, and 13 are
The level control valve of oxygen-eliminating device first, 14 be atmospheric dump valve, and 15 be high-pressure heater steam supply regulating valve, and 16 be that oxygen-eliminating device steam supply is adjusted
Valve is saved, 17 be pressure flash vessel, and 18 be high-pressure heater, and 19 be oxygen-eliminating device, and 20 be the level control valve of pressure flash vessel second, 21
It is rhone for the level control valve of pressure flash vessel first, 22,23 be Bidirectional adjusting valve, and 24 be high-pressure heater water level regulation
Valve, 25 be pressure flash vessel pressure-regulating valve, and 26 be boiler feed water mouth, and 27 be drum stop valve, and 28 be the water level of oxygen-eliminating device second
Regulating valve, 29 be boiler delivery port, and 30 be filter, and 31 be heat exchanger, and 32 be counter-infiltration system, and 33 be external clean cooling
Waterpipe, 34 be the first temp.-control valve, and 35 be the second temp.-control valve, and 36 be the 3rd temp.-control valve.
Embodiment
As shown in figure 1, a kind of boiler start-up system, including drum 11, separator storage tank 12, pressure flash vessel 17, height
Press heater 18, oxygen-eliminating device 19, auxiliary vapour header 5, rhone 22, heat exchanger 31, counter-infiltration system 32 and filter 30;Its
In,
The entrance of the middle outlet of separator storage tank 12 connection pressure flash vessel 17, the steam of pressure flash vessel 17 pass through first
Steam (vapor) outlet connects atmospheric dump valve 14, and the hot water of pressure flash vessel 17 connects entering for high-pressure heater 18 by the first delivery port
The mouth of a river, the hot water of pressure flash vessel 17 connect the entrance of rhone 22 by the second delivery port, and the steam of pressure flash vessel 17 leads to
Cross the second steam (vapor) outlet and connect the auxiliary entrance of vapour header 5 the 6th, the first outlet of auxiliary vapour header 5 is connected to the steaming of high-pressure heater 18
Vapour entrance, the air intake of the second outlet connection oxygen-eliminating device 19 of auxiliary vapour header 5, the delivery port of high-pressure heater 18 are connected to deoxygenation
The water inlet of device 19, the water by deoxygenation of oxygen-eliminating device 19 connect the water inlet and boiler of high-pressure heater 18 through delivery port respectively
Water inlet 26, the drum 11 of boiler connect the auxiliary entrance of vapour header 5 the 5th;Boiler delivery port 29 connects heat exchanger 31 with being connected heat exchange
The clean cooling water heat exchange in external clean cooling water pipeline 33 of device 31, what the boiler delivery port 29 by cooling came out
The rinse water of boiler rinsing enters counter-infiltration system, is desalted the water inlet with impurity from high-pressure heater 18 by counter-infiltration system 32
Mouth enters heating, enters oxygen-eliminating device 19 by the water inlet of oxygen-eliminating device 19 by the clean cooling water that heat exchanger 31 exchanges heat.Totally
Cooling water is from external clean cooling water pipeline 33.
The water of boiler delivery port 29 is introduced into filter 30 and removes ferrous contaminants, enters back into heat exchanger 31.Can first one
Step is cleaned, and mitigates the pressure of counter-infiltration system.
Filter 30 is also directly connected to the import of counter-infiltration system 32, the import of filter 30 and counter-infiltration system 32
Connecting pipe on be provided with filter delivery port chain the first temp.-control valve 34 of water temperature.Prevent from entering counter-infiltration system
The water temperature over-high of system, influence the performance of counter-infiltration system.Filter 30 on the connecting pipe of heat exchanger 31 with being provided with second
Temp.-control valve 35, prevent that the water temperature into heat exchanger 31 is not high, cause heat transfer effect bad.
External clean cooling water pipeline 33 is also joined directly together with the water inlet of oxygen-eliminating device 19, external clean cooling water pipeline
33 lead on the pipeline of heat exchanger 31 chain the 3rd temperature-sensing valve of water temperature being provided with the boiler water outlet by heat exchanger cooling
Door 36.When conveniently adjusting and enter the water that heat exchanger 31 cools, and need not conveniently be exchanged heat, oxygen-eliminating device is led directly to
19。
Pressure expansion is provided with the pipeline of the water inlet of the first delivery port connection high-pressure heater 18 of pressure flash vessel 17
The first level control valve of container 21, the second delivery port of pressure flash vessel 17 connects is provided with pressure on the inlet duct of rhone 22
The second level control valve of power flash vessel 20, the second outlet of auxiliary vapour header 5 connects to be set on the pipeline of the air intake of oxygen-eliminating device 19
There is an oxygen-eliminating device steam supply regulating valve 16, on the pipeline for the steam inlet that the first outlet of auxiliary vapour header 5 is connected to high-pressure heater 18
High-pressure heater steam supply regulating valve 15 is provided with, the outlet of high-pressure heater 18, which is connected in the water inlet conduit of oxygen-eliminating device 19, to be set
High-pressure heater level control valve 24 is equipped with, the pipeline of the water inlet of the delivery port connection high-pressure heater of oxygen-eliminating device, which is provided with, to be removed
The first level control valve of oxygen device 13, the pipeline of the delivery port connection boiler feed water mouth 26 of oxygen-eliminating device 19 are provided with the water of oxygen-eliminating device second
Position regulating valve 28, after boiler starts completely, the second level control valve of oxygen-eliminating device 28 is closed, and prevents from causing the wasting of resources.Boiler
Drum 11 and auxiliary vapour header 5 between be provided with drum stop valve 27, it is convenient to control steam supply of the drum to auxiliary vapour header 5.
Also include boiler reheater 1, the first decrease temperature and pressure valve 2, boiler body boiler sootblowing steam main pipe 3, the second decrease temperature and pressure
Valve 4, wherein,
The outlet of boiler reheater 1 is connected to entering for boiler body boiler sootblowing steam main pipe 3 by the first decrease temperature and pressure valve 2
Mouthful, the outlet of boiler body boiler sootblowing steam main pipe 3 is connected to the first entrance of auxiliary vapour header 5 by the second decrease temperature and pressure valve 4.
Also include boiler side steam user 6,7, four sections of steam turbine side steam user draw gas come steam pipe road 8, cold section again hot vapour come
Steam pipe road 9 and external steam come steam pipe road 10;Wherein,
Boiler side steam user 6 is connected to the 3rd outlet of auxiliary vapour header 5;Steam turbine side steam user 7 is connected to auxiliary vapour connection
4th outlet of case;Second to the 4th entrance of auxiliary vapour header 5, which is connected to four sections and drawn gas, comes steam pipe road 8, cold section of hot vapour again
Come steam pipe road 9 and external steam comes on steam pipe road 10.
Four sections draw gas come steam pipe road 8, cold section again hot vapour come between steam pipe road 9 and auxiliary vapour header 5 by Bidirectional adjusting valve 23
Connection.
A kind of boiler startup method, comprises the following steps:
1) boiler is in initial start stage, first passes through external steam and comes steam pipe road and is drawn gas to auxiliary vapour header steam supply, then by four sections
Come steam pipe road, cold section again hot vapour come steam pipe road, drum to auxiliary vapour header steam supply, boiler side steam user, steam turbine side steam user
Auxiliary vapour header takes vapour;
2) boiler enters pressure flash vessel in rinse stage, hydrophobic from the discharge of separator storage tank, if water quality is qualified,
The water in pressure flash vessel is discharged into high-pressure heater by the level control valve of pressure flash vessel first to be heated, if water quality
It is unqualified, the water in pressure flash vessel is discharged into rhone by the level control valve of pressure flash vessel second;In high-pressure heater
Water by heating is sent to oxygen-eliminating device water inlet, oxygen-eliminating device delivery port connection boiler feed water mouth and high-pressure heater, passes through high pressure
Heater and oxygen-eliminating device heating for multiple times are sent to boiler feed water mouth again, improve boiler feed water mouth temperature;It is external when proceeding by cleaning
Clean cooling water leads directly to oxygen-eliminating device, when there is the rinse water for cleaning boiler out to enter heat exchanger heat exchange, clean
The temp.-control valve that cooling water leads to heat exchanger is opened, and is gone to heat exchanger and is exchanged heat, then enters back into oxygen-eliminating device.Boiler delivery port
Connection heat exchanger exchanges heat with being connected the clean cooling water in external clean cooling water pipeline of heat exchanger, by the pot of cooling
The rinse water for the boiler rinsing that stove delivery port comes out enters counter-infiltration system, desalts by counter-infiltration system and adds with impurity from high pressure
The water inlet of hot device enters heating, and the clean cooling water by heat exchanger heat exchange enters oxygen-eliminating device by the water inlet of oxygen-eliminating device.
The removal of impurity is gone using the rinse water for cleaning boiler, deoxygenation, boiler rinsing and unit pipeline again.
Pass through the level control valve of pressure flash vessel first or pressure flash vessel the second level control valve control pressure flash vessel
Run in ordinary water level.
3) boiler after firing, from the hydrophobic of separator storage tank discharge, into after pressure flash vessel, will produce
Steam, if steam quality is qualified, the vapour in pressure flash vessel is discharged into auxiliary vapour header, if steam quality is unqualified, will be pressed
Vapour in power flash vessel is discharged into air by atmospheric dump valve, passes through pressure flash vessel pressure-regulating valve or air in the process
The pressure of discharge pressure regulating valve flash vessel is slightly above the pressure of high-pressure heater, so that the water in pressure flash vessel can be smooth
It is discharged into high-pressure heater;
4) after boiler reheater pressure is higher than external steam pressure, the steam in boiler reheater is passed through into the first cooling
Dropping valve imports boiler body boiler sootblowing steam main pipe, then imports auxiliary vapour header by the second decrease temperature and pressure valve, incrementally increases from pot
Steam supply from stove reheater to the auxiliary vapour header of boiler side, reduce four sections draw gas come steam pipe road, cold section again hot vapour come steam pipe road, drum to
The steam supply of auxiliary vapour header, the usage amount of external steam is reduced, come steam pipe road, cold section of reheating when being drawn gas from boiler reheater to four sections
Vapour come steam pipe road steam supply it is enough when, auxiliary vapour header is drawn gas come steam pipe road, cold section of hot vapour again by Bidirectional adjusting valve to four sections
Carry out steam pipe road steam supply, stop using external steam;
5) during boiler startup, after stopping using external steam, using reheated steam to auxiliary vapour header steam supply, to subtract
Few steam sends condenser to by bypass, and increases from the auxiliary vapour header in side to oxygen-eliminating device and the steam supply of high-pressure heater vapour side, comes
Feed temperature is improved, accelerates unit starting speed;
6) after boiler becomes a cadre state operation, pressure flash vessel is isolated operation, is drawn gas when four sections or the pressure of cold section of hot vapour again
After power is higher than the pressure of auxiliary vapour header, the steam of auxiliary vapour header switches to four sections to draw gas or cold section of reheating vapour steam supply, from boiler sheet
Body boiler sootblowing steam main pipe is removed to the steam supply of auxiliary vapour header.
Above-described is only preferred embodiment of the present utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, some changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (8)
- A kind of 1. boiler start-up system, it is characterised in that:Including drum, separator storage tank, high-pressure heater, heat exchanger, anti- Osmosis system, filter, oxygen-eliminating device, auxiliary vapour header and rhone;Wherein,The entrance of the outlet connection pressure flash vessel of separator storage tank, the steam of pressure flash vessel are connected by the first steam (vapor) outlet Atmospheric dump valve is connect, the hot water of pressure flash vessel connects the water inlet of high-pressure heater, pressure flash vessel by the first delivery port Hot water the entrance of rhone is connected by the second delivery port, the steam of pressure flash vessel passes through the second steam (vapor) outlet and connects auxiliary vapour The entrance of header the 6th, the first outlet of auxiliary vapour header are connected to the steam inlet of high-pressure heater, the second outlet of auxiliary vapour header Connect the air intake of oxygen-eliminating device, the delivery port of high-pressure heater is connected to the water inlet of oxygen-eliminating device, oxygen-eliminating device by deoxygenation Water connects the water inlet and boiler feed water mouth of high-pressure heater through delivery port respectively, and the drum of boiler connects auxiliary vapour header the 5th and entered Mouthful;Boiler delivery port connects heat exchanger and exchanged heat with entering the clean cooling water from external clean cooling water pipeline of heat exchanger, The rinse water that boiler delivery port by cooling comes out passes through the water inlet that counter-infiltration system desalts with impurity from high-pressure heater Into heating, enter oxygen-eliminating device by the water inlet of oxygen-eliminating device by the clean cooling water of heat exchanger.
- 2. boiler start-up system according to claim 1, it is characterised in that:Boiler delivery port first passes through filter removal Ferrous contaminants, enter back into heat exchanger.
- 3. boiler start-up system according to claim 2, it is characterised in that:The pipeline that filter is connected with heat exchanger is also The import of counter-infiltration system is connected, going out for filter is provided with the connecting pipe of the import of filter and counter-infiltration system The second temp.-control valve is provided with the connecting pipe of the first chain temp.-control valve of the water temperature at the mouth of a river, filter and heat exchanger.
- 4. boiler start-up system according to claim 1, it is characterised in that:External clean cooling water pipeline also with deoxygenation Device water inlet is joined directly together, and external clean cooling water pipeline, which leads on the pipeline of heat exchanger, to be provided with cooling by heat exchanger Boiler water outlet chain the 3rd temp.-control valve of water temperature.
- 5. boiler start-up system according to claim 1, it is characterised in that:The first delivery port connection of pressure flash vessel is high Press and be provided with the level control valve of pressure flash vessel first, the second delivery port of pressure flash vessel on the pipeline of the water inlet of heater Connect and the level control valve of pressure flash vessel second is provided with the inlet tube of rhone, the second outlet connection deoxygenation of auxiliary vapour header Oxygen-eliminating device steam supply regulating valve is provided with the pipeline of the air intake of device, the first outlet of auxiliary vapour header is connected to high-pressure heater High-pressure heater steam supply regulating valve is provided with the pipeline of steam inlet, the delivery port of high-pressure heater is connected to entering for oxygen-eliminating device High-pressure heater level control valve, the pipe of the water inlet of the delivery port connection high-pressure heater of oxygen-eliminating device are provided with the pipeline of the mouth of a river Road is provided with the level control valve of oxygen-eliminating device first, and the pipeline of the delivery port connection boiler feed water mouth of oxygen-eliminating device is provided with oxygen-eliminating device the Two level control valves.
- 6. boiler start-up system according to claim 1, it is characterised in that:Also include boiler reheater, the first cooling drop Pressure valve, boiler body boiler sootblowing steam main pipe, the second decrease temperature and pressure valve, wherein,The outlet of boiler reheater is connected to the entrance of boiler body boiler sootblowing steam main pipe, boiler sheet by the first decrease temperature and pressure valve The outlet of body boiler sootblowing steam main pipe is connected to the first entrance of auxiliary vapour header by the second decrease temperature and pressure valve.
- 7. boiler start-up system according to claim 1, it is characterised in that:Also include boiler side steam user, steam turbine side Steam user, four sections draw gas come steam pipe road, cold section hot vapour comes steam pipe road again and external steam comes steam pipe road;Wherein,Boiler side steam user is connected to the 3rd outlet of auxiliary vapour header;Steam turbine side steam user is connected to the 4th of auxiliary vapour header Outlet;Second to the 4th entrance of auxiliary vapour header be connected to four sections draw gas come steam pipe road, cold section again hot vapour come steam pipe road with And external steam comes on steam pipe road.
- 8. boiler start-up system according to claim 7, it is characterised in that:Four sections are drawn gas and come steam pipe road, cold section of hot vapour again Come between steam pipe road and auxiliary vapour header to connect by Bidirectional adjusting valve.
Priority Applications (1)
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CN201720712942.1U CN207179623U (en) | 2017-06-19 | 2017-06-19 | A kind of boiler start-up system |
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CN201720712942.1U CN207179623U (en) | 2017-06-19 | 2017-06-19 | A kind of boiler start-up system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN112728525A (en) * | 2021-01-08 | 2021-04-30 | 大唐淮北发电厂 | Blowdown system of drum boiler |
CN113446649A (en) * | 2021-07-30 | 2021-09-28 | 西安热工研究院有限公司 | Logic control system and method for high-energy water inlet regulating valve in double control modes |
CN113446591A (en) * | 2021-07-19 | 2021-09-28 | 西安热工研究院有限公司 | Logic control and method of high-energy water recovery system adaptive to deep peak shaving |
CN113896270A (en) * | 2021-11-09 | 2022-01-07 | 山东众智水务有限公司 | Integrative intelligent analytic deaerating plant of combined type |
-
2017
- 2017-06-19 CN CN201720712942.1U patent/CN207179623U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN108870372B (en) * | 2018-06-29 | 2022-01-21 | 山东电力工程咨询院有限公司 | Direct current furnace drainage recovery system and method based on high-low pressure drainage flash tank |
CN112728525A (en) * | 2021-01-08 | 2021-04-30 | 大唐淮北发电厂 | Blowdown system of drum boiler |
CN113446591A (en) * | 2021-07-19 | 2021-09-28 | 西安热工研究院有限公司 | Logic control and method of high-energy water recovery system adaptive to deep peak shaving |
CN113446591B (en) * | 2021-07-19 | 2023-09-19 | 西安热工研究院有限公司 | Logic control and method of high-energy water recovery system adapting to deep peak shaving |
CN113446649A (en) * | 2021-07-30 | 2021-09-28 | 西安热工研究院有限公司 | Logic control system and method for high-energy water inlet regulating valve in double control modes |
CN113446649B (en) * | 2021-07-30 | 2022-09-09 | 西安热工研究院有限公司 | Logic control system and method of high-energy water inlet regulating valve in double control modes |
CN113896270A (en) * | 2021-11-09 | 2022-01-07 | 山东众智水务有限公司 | Integrative intelligent analytic deaerating plant of combined type |
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