CN107829832A - Circulation bypath system for performance heater - Google Patents
Circulation bypath system for performance heater Download PDFInfo
- Publication number
- CN107829832A CN107829832A CN201711136434.4A CN201711136434A CN107829832A CN 107829832 A CN107829832 A CN 107829832A CN 201711136434 A CN201711136434 A CN 201711136434A CN 107829832 A CN107829832 A CN 107829832A
- Authority
- CN
- China
- Prior art keywords
- circulation
- performance heater
- control valve
- bypath system
- hot water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/224—Heating fuel before feeding to the burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The present invention relates to the circulation bypath system of the water side for performance heater.The system includes one to realize water temperature gradually rises or reduced in performance heater circulation bypath system in the start and stop stage, circulation bypath system includes isolating valve I, main inlet control valve, circulating pump, control valve and isolating valve II, and main inlet control valve is arranged at hot water exit.Gas turbine start and stop stage, performance heater pass through circulating pump bypass and carry out water circulation, it is possible to achieve temperature gradually rising or reducing, and avoids shock heating or quenching process, can significantly reduce as caused by temperature sealing and leak or be seal failure leakage.
Description
Technical field
The invention belongs to heated by natural gas system regions, and in particular to the circulation for the water side of performance heater bypasses system
System.
Background technology
Performance heater is the visual plant of fuel gas disposal needed for the heavy duty gas turbine of plant gas, utilizes waste heat pot
The medium-pressure boiler hot water of stove is by heated by natural gas to design load to ensure the operating efficiency of gas turbine.
In the gas turbine start and stop stage, gas discharge very little, required hot water flow is also small, the high-temperature-hot-water that medium-pressure boiler comes
Easily cause temperature distributing disproportionation even in heat exchanger, simultaneously because gas turbine start and stop are frequent, performance heat exchanger colds and heat succeed each other,
Easily cause the leakage of exchanger tubes and tubesheets weld or cause the seal failure of tube sheet flange connections and leak.
In general designs, and heater is full of water by the valve exhaust installed in top, and water outlet line is provided with control valve,
Hot water flow is adjusted according to gas outlet temperature.But can not solve the start and stop stage due to larger heat punching caused by high-temperature-hot-water
Hit.
The content of the invention
The technical problems to be solved by the invention are：Larger thermal shock caused by performance heater start and stop stage hot water, makes
Heat exchanger is obtained thus to leak.
It is that a kind of circulation for performance heater is provided to solve its technical problem the technical solution adopted in the present invention
Bypath system, performance heater A and B are installed in series, and the system also includes one to realize performance heater in the start and stop stage
The circulation bypath system that interior water temperature gradually rises or reduced, the circulation bypath system is from performance heater B hot water outlet to property
Isolating valve I, circulating pump, control valve and isolating valve II can be sequentially connected with heater A hot water inlet's pipeline；Performance heater
A main inlet control valve is also parallel with B hot water export pipeline.
Further, the filter of solid particle in filter water is additionally provided with bypath system is circulated, filter is set
In circulating pump and the upstream of control valve.
Further, being additionally provided with bypath system is circulated prevents hot water from flowing directly into stopping for hot water outlet by bypass
Return valve.
The gas turbine start and stop stage, performance heater pass through circulating pump bypass carry out water circulation, it is possible to achieve temperature by
Edge up high or reduce, avoid shock heating or quenching process, the sealing as caused by temperature can be significantly reduced and leak or be
Seal failure leaks.
Brief description of the drawings
Fig. 1 is the system schematic of the present invention.
Wherein：1st, performance heater B, 2, isolating valve I, 3, main inlet control valve, 4, filter, 5, circulating pump, 6, control valve,
7th, check-valves, 8, isolating valve II, 9, performance heater A.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further.
Fig. 1 is the circulation bypath system sketch for performance heater of the present invention.Performance heater A9 and B1 series connection peace
Dress, the system also include one to realize that the circulation that water temperature gradually rises or reduced in performance heater bypasses in the start and stop stage
System, the circulation bypath system from performance heater B1 hot water outlet to performance heater A9 hot water inlet's pipeline sequentially
It is connected with isolating valve I 2, circulating pump 5, control valve 6 and isolating valve II 8；Also parallel connection on performance heater B1 hot water export pipeline
There is a main inlet control valve 3, main inlet control valve 3 adjusts the flow of hot water in normal operation to control gas outlet temperature.
It is heater minimum water-carrying capacity corresponding to the combustion engine start and stop stage that the maximum stream flow of circulating pump, which is about,.During normal operation,
Circulating pump is shutdown stand-by state.
Gas turbine startup stage：Main inlet control valve 3 is closed, and isolating valve I 2 and II 8 is opened, and circulating pump 5 starts,
Hot water returns to hot water inlet after control valve 6 adjusts pressure, again passes through performance heater A9 and B1 and is circulated about 3-5 minutes,
Slowly heated up equivalent to by performance heater A9 and B1.When combustion engine starts to use gas, main inlet control valve 3 gradually starts to adjust, this
When control valve 6 progressively close off.After the flow of main inlet control valve 3 reaches heater minimum water-carrying capacity, hot water is controlled by main inlet control valve 3
System, circulating pump 5 are shut down, and control valve 6 is closed.
Gas turbine shuts down the stage：When hot water flow gradually decreases to heater minimum water-carrying capacity, circulating pump 5 is opened, main
Regulating valve 3 is progressively closed off, and control valve 6 is gradually opened, that is, is started the cycle over.After main inlet control valve 3 is closed, circulating pump 5 will also
3-5 minutes are run under the maximum stream flow of pump, make performance heater A9 and B1 temperature gradually reduce.
When circulating pump 5 needs maintenance, can be realized and isolation of system by closing isolating valve I 2 and II 8.
Filter 4 with solid particle in filter water, can protect the control valve 6 in pump and downstream.
When circulating pump 5 is shut down, check-valves 7 can prevent hot water from flowing directly into hot water outlet by this bypass.
The gas turbine start and stop stage, performance heater pass through circulating pump bypass carry out water circulation, it is possible to achieve temperature by
Edge up high or reduce, avoid shock heating or quenching process, the sealing as caused by temperature can be significantly reduced and leak or be
Seal failure leaks.
Claims (3)
1. for the circulation bypath system of performance heater, performance heater A（9）And B（1）It is installed in series, it is characterised in that should
System also includes one to realize water temperature gradually rises or reduced in performance heater circulation bypath system in the start and stop stage,
The circulation bypath system is from performance heater B（1）Hot water outlet to performance heater A（9）Hot water inlet's pipeline on sequentially
It is connected with isolating valve I（2）, circulating pump（5）, control valve（6）And isolating valve II（8）；Performance heater B（1）Hot water outlet pipe
A main inlet control valve is also parallel with road（3）.
2. it is used for the circulation bypath system of performance heater as claimed in claim 1, it is characterised in that in circulation bypath system
In be additionally provided with the filter of solid particle in filter water（4）, filter（4）It is arranged on circulating pump（5）And control valve（6）'s
Upstream.
3. it is used for the circulation bypath system of performance heater as claimed in claim 2, it is characterised in that in circulation bypath system
In be additionally provided with and prevent hot water from flowing directly into the check-valves of hot water outlet by bypass（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711136434.4A CN107829832B (en) | 2017-11-16 | 2017-11-16 | Circulation bypass system for performance heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711136434.4A CN107829832B (en) | 2017-11-16 | 2017-11-16 | Circulation bypass system for performance heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107829832A true CN107829832A (en) | 2018-03-23 |
| CN107829832B CN107829832B (en) | 2023-07-07 |
Family
ID=61652745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711136434.4A Active CN107829832B (en) | 2017-11-16 | 2017-11-16 | Circulation bypass system for performance heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107829832B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160838A (en) * | 2020-08-31 | 2021-01-01 | 大连派思燃气设备有限公司 | Electric heating device before starting combustion engine |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB997260A (en) * | 1964-05-08 | 1965-07-07 | Rolls Royce | Gas turbine engine fuel heating and oil cooling system |
| JPH11117766A (en) * | 1997-10-16 | 1999-04-27 | Chiyoda Corp | Air cooling system and method for gas turbine |
| JP2004199920A (en) * | 2002-12-17 | 2004-07-15 | Noritz Corp | Fuel cell cogeneration system |
| EP1505278A2 (en) * | 2003-08-06 | 2005-02-09 | Rolls-Royce PLC | A fluid system |
| CN101737794A (en) * | 2008-11-21 | 2010-06-16 | 中国神华能源股份有限公司 | Method for controlling and optimizing performance heater |
| US20110283706A1 (en) * | 2010-05-19 | 2011-11-24 | Diego Fernando Rancruel | System and methods for pre-heating fuel in a power plant |
| CN202125357U (en) * | 2011-06-30 | 2012-01-25 | 大连派思燃气***股份有限公司 | Prepositioned module for gas system |
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| CN103644032A (en) * | 2013-12-18 | 2014-03-19 | 山东电力工程咨询院有限公司 | System for heating natural gas through gradient utilization of water supplied at medium pressure from waste heat boiler of gas turbine power plant |
| CN204041244U (en) * | 2014-08-06 | 2014-12-24 | 中国电力工程顾问集团西南电力设计院 | One utilizes balance of power plant cooling water backwater waste heat natural gas system |
| CN204492902U (en) * | 2015-03-27 | 2015-07-22 | 广州大学城华电新能源有限公司 | Combined cycle waste heat turbine shaft gland sealing steam supply system |
| CN205876502U (en) * | 2016-08-04 | 2017-01-11 | 珠海市钰海电力有限公司 | A natural gas heating mechanism for gas and steam combined cycle unit gas turbine |
| JP2017078441A (en) * | 2015-10-19 | 2017-04-27 | 株式会社Ｏｇｃｔｓ | Lng satellite facility |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB997260A (en) * | 1964-05-08 | 1965-07-07 | Rolls Royce | Gas turbine engine fuel heating and oil cooling system |
| JPH11117766A (en) * | 1997-10-16 | 1999-04-27 | Chiyoda Corp | Air cooling system and method for gas turbine |
| JP2004199920A (en) * | 2002-12-17 | 2004-07-15 | Noritz Corp | Fuel cell cogeneration system |
| EP1505278A2 (en) * | 2003-08-06 | 2005-02-09 | Rolls-Royce PLC | A fluid system |
| CN101737794A (en) * | 2008-11-21 | 2010-06-16 | 中国神华能源股份有限公司 | Method for controlling and optimizing performance heater |
| US20110283706A1 (en) * | 2010-05-19 | 2011-11-24 | Diego Fernando Rancruel | System and methods for pre-heating fuel in a power plant |
| CN202125357U (en) * | 2011-06-30 | 2012-01-25 | 大连派思燃气***股份有限公司 | Prepositioned module for gas system |
| CN202769275U (en) * | 2012-08-22 | 2013-03-06 | 梧州市飞卓林产品实业有限公司 | Temperature control conduction oil circulating pipeline system |
| CN103628985A (en) * | 2013-12-18 | 2014-03-12 | 山东电力工程咨询院有限公司 | System for heating natural gas by using waste heat of waste heat boiler in gas turbine power plant |
| CN103644032A (en) * | 2013-12-18 | 2014-03-19 | 山东电力工程咨询院有限公司 | System for heating natural gas through gradient utilization of water supplied at medium pressure from waste heat boiler of gas turbine power plant |
| CN204041244U (en) * | 2014-08-06 | 2014-12-24 | 中国电力工程顾问集团西南电力设计院 | One utilizes balance of power plant cooling water backwater waste heat natural gas system |
| CN204492902U (en) * | 2015-03-27 | 2015-07-22 | 广州大学城华电新能源有限公司 | Combined cycle waste heat turbine shaft gland sealing steam supply system |
| JP2017078441A (en) * | 2015-10-19 | 2017-04-27 | 株式会社Ｏｇｃｔｓ | Lng satellite facility |
| CN205876502U (en) * | 2016-08-04 | 2017-01-11 | 珠海市钰海电力有限公司 | A natural gas heating mechanism for gas and steam combined cycle unit gas turbine |
| CN207647626U (en) * | 2017-11-16 | 2018-07-24 | 大连派思燃气***股份有限公司 | A kind of cycle bypath system for performance heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160838A (en) * | 2020-08-31 | 2021-01-01 | 大连派思燃气设备有限公司 | Electric heating device before starting combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107829832B (en) | 2023-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 116600 No. 73, Zhenpeng industrial city, Dalian Economic and Technological Development Zone, Liaoning Province Applicant after: Shuifa PAISI Gas Co.,Ltd. Address before: No.42, Fuquan North Road, Dalian Economic and Technological Development Zone, Liaoning 116600 Applicant before: DALIAN ENERGAS GAS-SYSTEM CO.,LTD. |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230609 Address after: 116630 Floor 2, No. 42-1, Fuquan North Road, Dalian Economic and Technological Development Zone, Liaoning Province Applicant after: Dalian PAISI Gas Equipment Co.,Ltd. Address before: 116600 No. 73, Zhenpeng industrial city, Dalian Economic and Technological Development Zone, Liaoning Province Applicant before: Shuifa PAISI Gas Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |