CN108506921A - A kind of the mesohigh industry steam-supplying system and method for station boiler - Google Patents
A kind of the mesohigh industry steam-supplying system and method for station boiler Download PDFInfo
- Publication number
- CN108506921A CN108506921A CN201810379350.1A CN201810379350A CN108506921A CN 108506921 A CN108506921 A CN 108506921A CN 201810379350 A CN201810379350 A CN 201810379350A CN 108506921 A CN108506921 A CN 108506921A
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- Prior art keywords
- steam
- vapour
- outlet
- heat exchanger
- entrance
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Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 235000014171 carbonated beverage Nutrition 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention discloses the mesohigh industry steam-supplying systems and method of a kind of station boiler, including boiler, steam-water separator, vapour vapour heat exchanger, medium temperature reheater outlet header and high temperature reheater entrance header；The water cooling wall outlet of boiler is connected with the entrance of steam-water separator, the water outlet of steam-water separator is connected with the water-cooling wall entrance of boiler, the steam (vapor) outlet of steam-water separator is connected with the low temperature side entrance of vapour vapour heat exchanger, the low temperature side outlet of vapour vapour heat exchanger is connected with extraneous industrial steam-supplying system, the high temperature side entrance of vapour vapour heat exchanger is connected with the outlet of medium temperature reheater outlet header, the high temperature side outlet of vapour vapour heat exchanger is connected with high temperature reheater entrance header, the system and method is capable of providing the Intermediate High Pressure parameter industry steam supply of larger flow and stabilization.
Description
Technical field
The invention belongs to thermal power generating technology field, it is related to mesohigh industry steam-supplying system and the side of a kind of station boiler
Method.
Background technology
To coordinate the policy requirements of national energy conservation and emission reduction, and the maximization of realization company interest, the needs of industrial steam supply
It is unprecedented to increase.The steam of low pressure force parameter can be met at present by the intergrade steam extraction of steam turbine, such as intermediate pressure cylinder row
Vapour or high pressure cylinder steam discharge.But any level-one steam extraction (including first such as the parameter (pressure) of factory steam higher than steam turbine
Grade steam extraction and high pressure cylinder steam discharge), then the steam extraction of steamer pusher side cannot be met the requirements, and directly go pressure and temperature reducing then to cause with main steam
The significant wastage of available energy.The supply requirement of Intermediate High Pressure parameter steam is more and more at present, and the steam extraction of conventional power generation usage unit
The Intermediate High Pressure parameter industry steam supply for ensureing larger flow and stabilization is cannot achieve.
Invention content
It is an object of the invention to overcome the above-mentioned prior art, a kind of mesohigh industry of station boiler is provided
Steam-supplying system and method, the system and method are capable of providing the Intermediate High Pressure parameter industry steam supply of larger flow and stabilization.
In order to achieve the above objectives, the mesohigh industry steam-supplying system of station boiler of the present invention includes boiler, carbonated drink
Separator, vapour vapour heat exchanger, medium temperature reheater outlet header and high temperature reheater entrance header；The water cooling wall outlet and vapour of boiler
The entrance of separator is connected, and the water outlet of steam-water separator is connected with the water-cooling wall entrance of boiler, steam-water separator
Steam (vapor) outlet is connected with the low temperature side entrance of vapour vapour heat exchanger, the low temperature side outlet of vapour vapour heat exchanger and extraneous industrial steam supply
System is connected, and the high temperature side entrance of vapour vapour heat exchanger is connected with the outlet of medium temperature reheater outlet header, vapour vapour heat exchanger
High temperature side outlet be connected with high temperature reheater entrance header.
The steam (vapor) outlet of steam-water separator is connected through the first regulating valve with the low temperature side entrance of vapour vapour heat exchanger.
The second regulating valve of outlet of medium temperature reheater outlet header is connected with the high temperature side entrance of vapour vapour heat exchanger.
The mesohigh industry steam supplying method of station boiler of the present invention includes the following steps：
Unit closes the first regulating valve and the second regulating valve when without industrial steam supply demand, realizes industrial steam-supplying system
Complete off-the-line；
When industrial steam-supplying system has certain mesohigh industry steam supply demand, then the first regulating valve and the second adjusting are opened
Valve meets the pressure and flow parameter needed for industrial steam supply by steam pressure after the first adjusting valve regulation steam flow and valve；
The high temperature side steam flow for entering vapour vapour heat exchanger by the second adjusting valve regulation, makes the steam of vapour vapour heat exchanger low temperature side heat up
To industrial steam supply required temperature, while the vapor (steam) temperature being lowered into high temperature reheater outlet header, avoid high temperature reheating
There is overtemperature in device.
The invention has the advantages that：
The mesohigh industry steam-supplying system of station boiler of the present invention and method are when specific operation, steam-water separator
The steam isolated enters in the low temperature side of vapour vapour heat exchanger, and the steam of medium temperature reheater outlet header output enters vapour vapour
In the high temperature side of heat exchanger, and the steam of vapour vapour heat exchanger low temperature side is heated, makes the steam of vapour vapour heat exchanger low temperature side
It is heated to industrial steam supply required temperature, the industrial steam of vapour vapour heat exchanger output is entered in industrial steam-supplying system, realized larger
The Intermediate High Pressure parameter industry steam supply of flow and stabilization, the steam of vapour vapour heat exchanger high temperature side output enter high temperature reheater and go out
In mouth header, to reduce the steam temperature of high temperature side reheated steam, high temperature reheater overtemperature is avoided, it is simple in structure, it is easy to operate, it is practical
Property is extremely strong.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Wherein, 1 it is boiler, 2 be steam-water separator, 3 be the first regulating valve, 4 be vapour vapour heat exchanger, 5 is the second regulating valve.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, the mesohigh industry steam-supplying system of station boiler of the present invention includes boiler 1, steam-water separator
2, vapour vapour heat exchanger 4, medium temperature reheater outlet header and high temperature reheater entrance header；The water cooling wall outlet of boiler 1 and carbonated drink
The entrance of separator 2 is connected, and the water outlet of steam-water separator 2 is connected with the water-cooling wall entrance of boiler 1, steam-water separator 2
Steam (vapor) outlet be connected with the low temperature side entrance of vapour vapour heat exchanger 4, the low temperature side outlet of vapour vapour heat exchanger 4 and extraneous industry
Steam-supplying system is connected, and the high temperature side entrance of vapour vapour heat exchanger 4 is connected with the outlet of medium temperature reheater outlet header, and vapour vapour changes
The high temperature side outlet of hot device 4 is connected with high temperature reheater entrance header.
The steam (vapor) outlet of steam-water separator 2 is connected through the first regulating valve 3 with the low temperature side entrance of vapour vapour heat exchanger 4；In
The second regulating valve of outlet 5 of warm reheater outlet header is connected with the high temperature side entrance of vapour vapour heat exchanger 4.
The mesohigh industry steam supplying method of station boiler of the present invention includes the following steps：
Unit closes the first regulating valve 3 and the second regulating valve 5 when without industrial steam supply demand, realizes industrial steam-supplying system
Complete off-the-line, have no effect to unit normal operation.
When industrial steam-supplying system has certain mesohigh industry steam supply demand, then the adjusting of the first regulating valve 3 and second is opened
Valve 5 meets the pressure and flow ginseng needed for industrial steam supply by steam pressure after the first regulating valve 3 adjusting steam flow and valve
Number；The high temperature side steam flow into vapour vapour heat exchanger 4 is adjusted by the second regulating valve 5, makes the steaming of 4 low temperature side of vapour vapour heat exchanger
Vapour is warming up to industrial steam supply required temperature, while the vapor (steam) temperature being lowered into high temperature reheater outlet header, avoids height
There is the problem of overtemperature in warm reheater.
Claims (4)
1. a kind of mesohigh industry steam-supplying system of station boiler, which is characterized in that including boiler (1), steam-water separator (2),
Vapour vapour heat exchanger (4), medium temperature reheater outlet header and high temperature reheater entrance header；The water cooling wall outlet and vapour of boiler (1)
The entrance of separator (2) is connected, and the water outlet of steam-water separator (2) is connected with the water-cooling wall entrance of boiler (1), carbonated drink
The steam (vapor) outlet of separator (2) is connected with the low temperature side entrance of vapour vapour heat exchanger (4), and the low temperature side of vapour vapour heat exchanger (4) goes out
Mouth is connected with extraneous industrial steam-supplying system, high temperature side entrance and the medium temperature reheater outlet header of vapour vapour heat exchanger (4)
Outlet is connected, and the high temperature side outlet of vapour vapour heat exchanger (4) is connected with high temperature reheater entrance header.
2. the mesohigh industry steam-supplying system of station boiler according to claim 1, which is characterized in that steam-water separator
(2) steam (vapor) outlet is connected through the first regulating valve (3) with the low temperature side entrance of vapour vapour heat exchanger (4).
3. the mesohigh industry steam-supplying system of station boiler according to claim 2, which is characterized in that medium temperature reheater goes out
The second regulating valve of outlet (5) of mouth header is connected with the high temperature side entrance of vapour vapour heat exchanger (4).
4. a kind of mesohigh industry steam supplying method of station boiler, which is characterized in that based on the station boiler described in claim 3
Mesohigh industry steam-supplying system, include the following steps：
Unit closes the first regulating valve (3) and the second regulating valve (5) when without industrial steam supply demand, realizes industrial steam-supplying system
Complete off-the-line；
When industrial steam-supplying system has certain mesohigh industry steam supply demand, then the first regulating valve (3) and the second regulating valve are opened
(5), by steam pressure after the first regulating valve (3) adjusting steam flow and valve, industrial steam supply is made to meet required pressure and stream
Measure parameter；The high temperature side steam flow into vapour vapour heat exchanger (4) is adjusted by the second regulating valve (5), makes vapour vapour heat exchanger (4)
The steam of low temperature side is warming up to industrial steam supply required temperature, while the steam temperature being lowered into high temperature reheater outlet header
Degree, avoids high temperature reheater from overtemperature occur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379350.1A CN108506921B (en) | 2018-04-25 | 2018-04-25 | Medium-high pressure industrial steam supply system and method for power station boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379350.1A CN108506921B (en) | 2018-04-25 | 2018-04-25 | Medium-high pressure industrial steam supply system and method for power station boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506921A true CN108506921A (en) | 2018-09-07 |
| CN108506921B CN108506921B (en) | 2024-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379350.1A Active CN108506921B (en) | 2018-04-25 | 2018-04-25 | Medium-high pressure industrial steam supply system and method for power station boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506921B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1010594A3 (en) * | 1996-09-02 | 1998-11-03 | Cockerill Mech Ind Sa | Process for conducting the boiler boiler and forced circulation for its implementation. |
| DE102006048538A1 (en) * | 2006-10-13 | 2008-04-17 | Hitachi Power Europe Gmbh | Single pass boiler or single pass extraction steam generator, has separation walls dividing flue gas string into standard strings with areas forming flue gas channel, where one string is attached to control butterfly valve |
| CN103328887A (en) * | 2010-04-29 | 2013-09-25 | 西门子公司 | Method and device for controlling the temperature of steam in a boiler |
| CN103808178A (en) * | 2012-11-09 | 2014-05-21 | 中国科学院过程工程研究所 | Sub-control phase-change heat exchange system and method based on grading combination heat exchange |
| CN203927862U (en) * | 2014-05-16 | 2014-11-05 | 淮南中科储能科技有限公司 | Paddy electric smelting salt heat accumulation biofermentation steam generating system |
| CN205261518U (en) * | 2015-10-31 | 2016-05-25 | 中建科技（福州）有限公司 | Steaming system |
| CN205480920U (en) * | 2016-03-14 | 2016-08-17 | 西安热工研究院有限公司 | System for power station unit auxiliary steam header utilizes local boiler to supply vapour |
| CN206222288U (en) * | 2016-11-27 | 2017-06-06 | 冯伟忠 | A kind of Steam Cooler System |
| CN207196593U (en) * | 2017-09-19 | 2018-04-06 | 南京电力设备质量性能检验中心 | It is a kind of based on the high pressure combining heating system for taking out back of the body machine technology |
| CN208124260U (en) * | 2018-04-25 | 2018-11-20 | 西安西热节能技术有限公司 | A kind of mesohigh industry steam-supplying system of station boiler |
-
2018
- 2018-04-25 CN CN201810379350.1A patent/CN108506921B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1010594A3 (en) * | 1996-09-02 | 1998-11-03 | Cockerill Mech Ind Sa | Process for conducting the boiler boiler and forced circulation for its implementation. |
| DE102006048538A1 (en) * | 2006-10-13 | 2008-04-17 | Hitachi Power Europe Gmbh | Single pass boiler or single pass extraction steam generator, has separation walls dividing flue gas string into standard strings with areas forming flue gas channel, where one string is attached to control butterfly valve |
| CN103328887A (en) * | 2010-04-29 | 2013-09-25 | 西门子公司 | Method and device for controlling the temperature of steam in a boiler |
| CN103808178A (en) * | 2012-11-09 | 2014-05-21 | 中国科学院过程工程研究所 | Sub-control phase-change heat exchange system and method based on grading combination heat exchange |
| CN203927862U (en) * | 2014-05-16 | 2014-11-05 | 淮南中科储能科技有限公司 | Paddy electric smelting salt heat accumulation biofermentation steam generating system |
| CN205261518U (en) * | 2015-10-31 | 2016-05-25 | 中建科技（福州）有限公司 | Steaming system |
| CN205480920U (en) * | 2016-03-14 | 2016-08-17 | 西安热工研究院有限公司 | System for power station unit auxiliary steam header utilizes local boiler to supply vapour |
| CN206222288U (en) * | 2016-11-27 | 2017-06-06 | 冯伟忠 | A kind of Steam Cooler System |
| CN207196593U (en) * | 2017-09-19 | 2018-04-06 | 南京电力设备质量性能检验中心 | It is a kind of based on the high pressure combining heating system for taking out back of the body machine technology |
| CN208124260U (en) * | 2018-04-25 | 2018-11-20 | 西安西热节能技术有限公司 | A kind of mesohigh industry steam-supplying system of station boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108506921B (en) | 2024-04-30 |
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