CN106761980A - Organic amine desulfurizer steam-supplying system and method in fired power generating unit - Google Patents
Organic amine desulfurizer steam-supplying system and method in fired power generating unit Download PDFInfo
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- CN106761980A CN106761980A CN201611108560.4A CN201611108560A CN106761980A CN 106761980 A CN106761980 A CN 106761980A CN 201611108560 A CN201611108560 A CN 201611108560A CN 106761980 A CN106761980 A CN 106761980A
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- steam
- organic amine
- power generating
- fired power
- generating unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
Abstract
The invention discloses organic amine desulfurizer steam-supplying system and method in fired power generating unit, the system includes high pressure cylinder, intermediate pressure cylinder, cold section of reheating, reheating hot arc, auxiliary vapour header, and four sections are drawn gas, hp by-pass system and low-pressure bypass system；Hp by-pass system is arranged between boiler major steam line and high pressure cylinder, and hp by-pass system is connected with cold section of reheating and auxiliary vapour header, and four sections are drawn gas and be connected with organic amine desulfurizer steam supply end；Four sections are drawn gas and are provided with hydraulic butterfly valve between organic amine desulfurizer steam supply end, and heat supply butterfly valve is provided between high pressure cylinder and intermediate pressure cylinder and low-pressure bypass system.Organic amine desulfurizer steam-supplying system and method in the fired power generating unit that the present invention is provided, it constitutes reasonable, steam supply way can run alone or in combination, when being machine underload or adjacent machine startup, in time for desulfurizer provides enough steam, avoid desulfurizer because parsing is not enough and caused by not qualified discharge problem, reduce to absorbing the injury that tower packing is caused, increase the service life.
Description
Technical field
The present invention relates to thermal power generating technology field, more particularly in fired power generating unit organic amine desulfurizer steam-supplying system and
Method.
Background technology
There are two groups of fired power generating units in thermal power plant, when a unit and organic amine desulfurizer normally run, another unit and
When organic amine desulfurizer is just in start-up course, during operating unit underload, it is impossible to provide the enough steam of desulfurization for making
With only grade starts unit can be supplied to the machine desulfurizer sufficient steam to start after certain load,.
The supply that desulfurization starts steam depends on unit starting and on-load time, often continues more than ten hour or so.
During this period, it is impossible to ensure the qualified discharge of desulfurizer, simultaneously because the systemic circulation of amine liquid system cannot put into, to absorption tower
The damage of filler cannot be assessed.
Therefore, organic amine desulfurizer steam-supplying system and method in a kind of fired power generating unit of design are needed badly, is organic amine desulfurization
Device provides enough steam, it is ensured that the qualified discharge of desulfurizer, it is ensured that the systemic circulation of amine liquid system is normally come into operation, drop
The low damage to absorbing tower packing.
The content of the invention
The purpose of the present invention is directed to above-mentioned technical problem, there is provided fired power generating unit in organic amine desulfurizer steam-supplying system
And method, its is rational in infrastructure, and step is proper, for organic amine desulfurizer provides enough steam, it is ensured that desulfurizer it is up to standard
Discharge, it is ensured that the systemic circulation of amine liquid system is normally come into operation, reduces the damage to absorbing tower packing.
Technical scheme：
In order to solve the above technical problems, the invention provides organic amine desulfurizer steam-supplying system in fired power generating unit, it includes height
Cylinder pressure, intermediate pressure cylinder, cold section of reheating, reheating hot arc, auxiliary vapour header, four sections are drawn gas, hp by-pass system and low-pressure bypass system；Pot
Stove main steam is connected by pipeline with high pressure cylinder and intermediate pressure cylinder, and hp by-pass system is arranged on boiler major steam line and high pressure cylinder
Between, low-pressure bypass system is arranged between low pressure (LP) cylinder and reheating hot arc；Hp by-pass system and cold section of reheating and auxiliary vapour header
Connection, intermediate pressure cylinder drawn gas with four sections and is connected, and four sections are drawn gas and be connected with organic amine desulfurizer steam supply end；Four sections are drawn gas and organic amine
Desulfurizer steam supply is provided with hydraulic butterfly valve between end, and heat supply butterfly is provided between high pressure cylinder and intermediate pressure cylinder and low-pressure bypass system
Valve.
Further, the low-pressure bypass system is two-way, wherein, attemperator and high back pressure condensing are provided with the way
Device, is separately provided with attemperator and low back pressure condenser on the way.
Present invention also offers organic amine desulfurizer steam supplying method in fired power generating unit, it is adaptable to which double groups of fired power generating units are simultaneously
The operating mode of operation, it uses above-mentioned organic amine desulfurizer steam-supplying system, and it includes in the following manner：
When fired power generating unit underload is run, by adjusting heat supply butterfly valve, for organic amine desulfurizer is provided in this fired power generating unit
Enough steam；Cold section of reheating and auxiliary vapour header are opened simultaneously, and foot is provided to the organic amine desulfurizer in adjacent fired power generating unit
Enough steam；
When cold section of extremely auxiliary vapour header pipeline pressure maintaining valve aperture more than 85% of reheating, a pair auxiliary vapour header communication valves are opened, open and exist
Operation fired power generating unit hp by-pass system, draws boiler main steam to cold section of reheating, and this machine auxiliary steam header is entered through controlling valve of voltage regulation,
The auxiliary vapour header for leading in adjacent fired power generating unit through liaison tube again, to startup organic amine desulfurizer steam supply；
When adjacent fired power generating unit load is not high, still it is not enough to provide sufficient steam to adjacent machine organic amine desulfurizer, can time delay pass
Close startup unit hp by-pass system, it is ensured that the pressure that cold section of reheating, there is provided start desulfurizer vapour, maintain such operation
Mode, until unit load stabilization, increases to the evaporation capacity for engine for starting organic amine desulfurizer, until load is increased to sufficient steam
After supply, close and start unit hp by-pass system.
Beneficial effect of the present invention：
Organic amine desulfurizer steam-supplying system and method in the fired power generating unit that the present invention is provided, it is reasonable that it is constituted, and steam supply way can
Run alone or in combination, when being machine underload or adjacent machine startup, in time for desulfurizer provides enough steam, it is to avoid desulfurization
Device because parsing is not enough and caused by not qualified discharge problem, reduce to absorbing the injury that tower packing is caused, increase the service life.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned advantage of the invention will be apparent and be easier reason
Solution, these accompanying drawings are schematical, are not intended to limit the present invention, wherein：
Fig. 1 is structural representation of the invention；
Fig. 2 is the schematic diagram of machine amine desulfurizer steam supplying method specific embodiment.
Specific embodiment
With reference to specific embodiments and the drawings to organic amine desulfurizer steam-supplying system and side in fired power generating unit of the present invention
Method is described in detail.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Implement exception, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious
Other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment to recording herein
The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each several part
And its correlation.Note that for the ease of clearly showing the structure of each part of the embodiment of the present invention, between each accompanying drawing
Do not drawn according to identical ratio.Identical reference marker is used to represent identical part.
Fig. 1 is the accompanying drawings of organic amine desulfurizer steam-supplying system in fired power generating unit of the present invention.
Organic amine desulfurizer steam-supplying system in fired power generating unit, it includes high pressure cylinder, intermediate pressure cylinder, cold section of reheating, reheating heat
Section, auxiliary vapour header, four sections are drawn gas, hp by-pass system and low-pressure bypass system；Boiler main steam by pipeline and high pressure cylinder and
Intermediate pressure cylinder is connected, and hp by-pass system is arranged between boiler major steam line and high pressure cylinder, and low-pressure bypass system is arranged on low
Between cylinder pressure and reheating hot arc；Hp by-pass system is connected with cold section of reheating and auxiliary vapour header, and intermediate pressure cylinder draws gas with four sections and is connected,
Four sections are drawn gas and be connected with organic amine desulfurizer steam supply end；Four sections are drawn gas and are provided with liquid between organic amine desulfurizer steam supply end
Control butterfly valve, is provided with heat supply butterfly valve between high pressure cylinder and intermediate pressure cylinder and low-pressure bypass system.
The low-pressure bypass system is two-way, wherein, attemperator and high back pressure condenser are provided with the way, separately on the way
It is provided with attemperator and low back pressure condenser.
Present invention also offers organic amine desulfurizer steam supplying method in fired power generating unit, it is adaptable to which double groups of fired power generating units are simultaneously
The operating mode of operation, it uses above-mentioned organic amine desulfurizer steam-supplying system, and it includes in the following manner：
When fired power generating unit underload is run, by adjusting heat supply butterfly valve, for organic amine desulfurizer is provided in this fired power generating unit
Enough steam；Cold section of reheating and auxiliary vapour header are opened simultaneously, and foot is provided to the organic amine desulfurizer in adjacent fired power generating unit
Enough steam；
Specifically, when unit operation in low- load conditions, when four sections of pressure of steam supplies that draw gas are not enough, it is contemplated that turn down heat supply butterfly
Valve, reduces low pressure (LP) cylinder throttle flow, there is provided full-amount steam to desulfurizer.Pressure as setting value is taken out with four, regulation heat supply butterfly valve
Aperture, maintains four sections of pressure for drawing gas in more than 0.75Mpa, you can provide the full-amount steam of desulfurization.
When cold section of extremely auxiliary vapour header pipeline pressure maintaining valve aperture more than 85% of reheating, a pair auxiliary vapour header communication valves are opened, beaten
Operation fired power generating unit hp by-pass system is opened in, draws boiler main steam to cold section of reheating, this machine auxiliary steam is entered through controlling valve of voltage regulation
Header, then the auxiliary vapour header led in adjacent fired power generating unit through liaison tube, to startup organic amine desulfurizer steam supply；
Fig. 2 is the schematic diagram of machine amine desulfurizer steam supplying method specific embodiment, and specific steam supplying method is as follows：
The auxiliary vapour header communication valve of #1, #2 unit is first opened, is opened in fortune unit hp by-pass system, draw boiler main steam（Through spray
Water desuperheat is to 305-320 DEG C）Into cold section of entrance of reheater, this machine auxiliary steam header is entered through controlling valve of voltage regulation, then through liaison tube
Towards adjacent machine auxiliary steam header, to startup desulfurizer steam supply.
During unit operation, height side outlet steam temperature need to be paid close attention to<360℃.During opening collateral line system high, should supervise closely
Depending on steam turbine axial displacement, Thrust-vectoring nozzle temperature rise, and keep a close eye on exhaust temperature of HP<380℃.
When unit underload（Such as less than 50% load）, during to the machine desulfurizer steam supply deficiency, should also open the machine high pressure
Bypath system, increases the cold section of evaporation capacity for engine to desulfurizer of reheating, coordinates auxiliary vapour header, improves desulfurizer steam supply.
When adjacent fired power generating unit load is not high, still it is not enough to provide sufficient steam to adjacent machine organic amine desulfurizer, can prolongs
When close and start unit hp by-pass system, it is ensured that the pressure that cold section of reheating, there is provided start desulfurizer vapour, maintain such
The method of operation, until unit load stabilization, increase to start organic amine desulfurizer evaporation capacity for engine, until load be increased to it is enough
After steam supply, close and start unit hp by-pass system.
Organic amine desulfurizer steam-supplying system and method in the fired power generating unit that the present invention is provided, it is reasonable that it is constituted, steam supply side
Formula can be run alone or in combination, when being machine underload or adjacent machine startup, in time for desulfurizer provides enough steam, it is to avoid
Desulfurizer because parsing is not enough and caused by not qualified discharge problem, reduce to absorbing the injury that tower packing is caused, extension is used
Life-span.
The present invention is not limited to the above-described embodiments, and anyone can draw other various forms under enlightenment of the invention
Product, it is every with technical side identical or similar to the present application however, make any change in its shape or structure
Case, is within the scope of the present invention.
Claims (3)
1. organic amine desulfurizer steam-supplying system in fired power generating unit, it is characterised in that including high pressure cylinder, intermediate pressure cylinder, cold section of reheating,
Reheating hot arc, auxiliary vapour header, four sections are drawn gas, hp by-pass system and low-pressure bypass system；Boiler main steam is by pipeline and height
Cylinder pressure and intermediate pressure cylinder are connected, and hp by-pass system is arranged between boiler major steam line and high pressure cylinder, and low-pressure bypass system sets
Put between low pressure (LP) cylinder and reheating hot arc；Hp by-pass system is connected with cold section of reheating and auxiliary vapour header, and intermediate pressure cylinder is taken out with four sections
Vapour is connected, and four sections are drawn gas and be connected with organic amine desulfurizer steam supply end；Four sections are drawn gas between organic amine desulfurizer steam supply end
Hydraulic butterfly valve is provided with, heat supply butterfly valve is provided between high pressure cylinder and intermediate pressure cylinder and low-pressure bypass system.
2. organic amine desulfurizer steam-supplying system in fired power generating unit according to claim 1, it is characterised in that by the low pressure
Road system is two-way, wherein, attemperator and high back pressure condenser are provided with the way, attemperator and the low back of the body are separately provided with the way
Pressure condenser.
3. organic amine desulfurizer steam supplying method in fired power generating unit, it is adaptable to the operating modes that double groups of fired power generating units are run simultaneously, it is special
Levy and be, the organic amine desulfurizer steam-supplying system described in usage right requirement 1, it includes in the following manner：
When fired power generating unit underload is run, by adjusting heat supply butterfly valve, for organic amine desulfurizer is provided in this fired power generating unit
Enough steam；Cold section of reheating and auxiliary vapour header are opened simultaneously, and foot is provided to the organic amine desulfurizer in adjacent fired power generating unit
Enough steam；
When cold section of extremely auxiliary vapour header pipeline pressure maintaining valve aperture more than 85% of reheating, a pair auxiliary vapour header communication valves are opened, open and exist
Operation fired power generating unit hp by-pass system, draws boiler main steam to cold section of reheating, and this machine auxiliary steam header is entered through controlling valve of voltage regulation,
The auxiliary vapour header for leading in adjacent fired power generating unit through liaison tube again, to startup organic amine desulfurizer steam supply；
When adjacent fired power generating unit load is not high, still it is not enough to provide sufficient steam to adjacent machine organic amine desulfurizer, can time delay pass
Close startup unit hp by-pass system, it is ensured that the pressure that cold section of reheating, there is provided start desulfurizer vapour, maintain such operation
Mode, until unit load stabilization, increases to the evaporation capacity for engine for starting organic amine desulfurizer, until load is increased to sufficient steam
After supply, close and start unit hp by-pass system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108560.4A CN106761980B (en) | 2016-12-06 | 2016-12-06 | Organic amine desulfurizer steam-supplying system and method in fired power generating unit |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201611108560.4A CN106761980B (en) | 2016-12-06 | 2016-12-06 | Organic amine desulfurizer steam-supplying system and method in fired power generating unit |
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| CN106761980A true CN106761980A (en) | 2017-05-31 |
| CN106761980B CN106761980B (en) | 2018-07-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107152319A (en) * | 2017-06-23 | 2017-09-12 | 山东中实易通集团有限公司 | A kind of adjacent machine steam of supercritical unit mutually helps system and method |
| CN108167036A (en) * | 2018-01-26 | 2018-06-15 | 西安热工研究院有限公司 | A kind of system and method for nuclear power generating sets vapor self |
| CN110131003A (en) * | 2019-06-10 | 2019-08-16 | 西安热工研究院有限公司 | A kind of system and method for high temperature gas cooled reactor nuclear power unit secondary circuit start and stop |
| CN115263468A (en) * | 2022-07-29 | 2022-11-01 | 西安西热锅炉环保工程有限公司 | Control method for wide-load thermoelectric unit heat supply system |
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| CN108167036A (en) * | 2018-01-26 | 2018-06-15 | 西安热工研究院有限公司 | A kind of system and method for nuclear power generating sets vapor self |
| CN110131003A (en) * | 2019-06-10 | 2019-08-16 | 西安热工研究院有限公司 | A kind of system and method for high temperature gas cooled reactor nuclear power unit secondary circuit start and stop |
| CN110131003B (en) * | 2019-06-10 | 2023-06-27 | 西安热工研究院有限公司 | System and method for starting and stopping two loops of high-temperature gas cooled reactor nuclear power unit |
| CN115263468A (en) * | 2022-07-29 | 2022-11-01 | 西安西热锅炉环保工程有限公司 | Control method for wide-load thermoelectric unit heat supply system |
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| CN106761980B (en) | 2018-07-27 |
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Address after: 100039, room 1, building 16, No. 911 West Fourth Ring Road, Beijing, Haidian District Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039, room 1, building 16, No. 911 West Fourth Ring Road, Beijing, Haidian District Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |