IT8021935A0 - Sistema di controllo di livello di caldaia. - Google Patents
Sistema di controllo di livello di caldaia.Info
- Publication number
- IT8021935A0 IT8021935A0 IT8021935A IT2193580A IT8021935A0 IT 8021935 A0 IT8021935 A0 IT 8021935A0 IT 8021935 A IT8021935 A IT 8021935A IT 2193580 A IT2193580 A IT 2193580A IT 8021935 A0 IT8021935 A0 IT 8021935A0
- Authority
- IT
- Italy
- Prior art keywords
- control system
- level control
- boiler level
- boiler
- level
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/38—Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
- F22D5/30—Automatic feed-control systems responsive to both water level and amount of steam withdrawn or steam pressure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Control Of Non-Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/038,658 US4242989A (en) | 1979-05-14 | 1979-05-14 | Boiler level control system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8021935A0 true IT8021935A0 (it) | 1980-05-09 |
IT1130582B IT1130582B (it) | 1986-06-18 |
Family
ID=21901170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21935/80A IT1130582B (it) | 1979-05-14 | 1980-05-09 | Sistema di controllo di livello di caldaia |
Country Status (8)
Country | Link |
---|---|
US (1) | US4242989A (it) |
JP (1) | JPS5612903A (it) |
KR (1) | KR830003043A (it) |
DE (1) | DE3017659A1 (it) |
FR (1) | FR2456968A1 (it) |
GB (1) | GB2053524A (it) |
IT (1) | IT1130582B (it) |
NL (1) | NL8002771A (it) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4354347A (en) * | 1980-06-02 | 1982-10-19 | General Electric Company | Combined cycle system for optimizing cycle efficiency having varying sulfur content fuels |
US4457266A (en) * | 1983-08-02 | 1984-07-03 | Phillips Petroleum Company | Boiler control |
US4497283A (en) * | 1983-11-18 | 1985-02-05 | Phillips Petroleum Company | Boiler control |
JPH0686922B2 (ja) * | 1984-08-17 | 1994-11-02 | 株式会社日立製作所 | ボイラドラムレベル制御装置 |
JPH0755414B2 (ja) * | 1986-10-01 | 1995-06-14 | 株式会社東芝 | 接合ボルトおよびその締付力の調整方法 |
US4854121A (en) * | 1986-10-09 | 1989-08-08 | Kabushiki Kaisha Toshiba | Combined cycle power plant capable of controlling water level in boiler drum of power plant |
US5148775A (en) * | 1992-01-22 | 1992-09-22 | The Babcock & Wilcox Company | Feedwater control for drum type steam generators |
GB9213594D0 (en) * | 1992-06-26 | 1992-08-12 | Eaton Williams Group Ltd | A steam-raising system |
US6244098B1 (en) * | 1997-02-13 | 2001-06-12 | Betzdearborn Inc. | Methods and apparatus for monitoring water process equipment |
IT1293382B1 (it) | 1997-06-23 | 1999-03-01 | Antonio Codatto | Dispositivo per l'azionamento in rotazione di un braccio brandeggiabile attorno ad un asse verticolare, quale un braccio di |
DE10025468C1 (de) * | 2000-05-24 | 2001-09-27 | Loos Deutschland Gmbh | Verfahren zur Leistungsregelung eines Dampfkessels |
US6688329B2 (en) | 2001-07-06 | 2004-02-10 | C. Cowles & Company | Water feeder controller for boiler |
US7053341B2 (en) * | 2004-02-12 | 2006-05-30 | General Electric Company | Method and apparatus for drum level control for drum-type boilers |
US7418960B2 (en) * | 2004-09-30 | 2008-09-02 | Premark Feg Llc | Steam cooker and related superheater |
US7353821B2 (en) * | 2004-11-24 | 2008-04-08 | Premark Feg L.L.C. | Steam oven system having steam generator with controlled fill process |
US20090145218A1 (en) * | 2007-12-07 | 2009-06-11 | Bulldog Boiler Rentals, Ltd. | Fluid level sensing assembly and method for configuring same |
US7931041B2 (en) * | 2007-12-19 | 2011-04-26 | General Electric Company | System and method for controlling liquid level in a vessel |
US8757105B2 (en) * | 2008-12-08 | 2014-06-24 | General Electric Company | System and method for controlling liquid level in a vessel |
DE102011076968A1 (de) | 2011-06-06 | 2012-12-06 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines Umlauf-Abhitzedampferzeugers |
US8887747B2 (en) | 2012-05-31 | 2014-11-18 | General Electric Company | System and method for drum level control |
US10132492B2 (en) | 2013-10-02 | 2018-11-20 | General Electric Company | System and method for drum level control in a drum of a heat recovery steam generator |
US9476584B2 (en) | 2013-12-12 | 2016-10-25 | General Electric Company | Controlling boiler drum level |
CN105159337B (zh) * | 2015-06-17 | 2017-11-17 | 国网天津市电力公司 | 电站锅炉汽包水位调节***快速投入自动方法 |
US10323547B2 (en) * | 2016-02-23 | 2019-06-18 | General Electric Company | Steam drum level control system, computer program product and related methods |
US10061298B2 (en) | 2016-04-27 | 2018-08-28 | General Electric Company | Control of machinery with calibrated performance model |
US10185332B2 (en) | 2016-05-26 | 2019-01-22 | General Electric Company | System and method for drum level control with transient compensation |
US11208920B2 (en) | 2019-06-06 | 2021-12-28 | General Electric Company | Control of power generation system with water level calibration for pressure vessel |
CN114294645B (zh) * | 2022-01-13 | 2024-03-26 | 张家港威孚热能股份有限公司 | 一种电蒸汽锅炉水位控制电路 |
CN115264485B (zh) * | 2022-09-27 | 2023-01-13 | 国网山西省电力公司电力科学研究院 | 一种超临界锅炉储水罐水位自动控制*** |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2904017A (en) * | 1954-12-24 | 1959-09-15 | Hagan Chemicals & Controls Inc | Boiler feed water control systems |
US3250259A (en) * | 1959-08-19 | 1966-05-10 | Sulzer Ag | Method and apparatus for controlling rate of temperature changes of heat generators during startup and shutdown |
NL247180A (it) * | 1959-11-20 | |||
FR1309446A (fr) * | 1960-10-14 | 1962-11-16 | Hagan Pneutronics | Perfectionnements apportés aux dispositifs de commande |
US3417737A (en) * | 1966-09-20 | 1968-12-24 | Foxboro Co | Once-through boiler control system |
BE788957A (fr) * | 1971-09-24 | 1973-03-19 | Sulzer Ag | Procede de reglage de l'alimentation d'un generateur de vapeur a circulation forcee |
BE829567A (fr) * | 1975-05-28 | 1975-11-28 | Acec | Installation de reglage d'admission d'eau alimentaire secondaire au bas d'un generateur de vapeur |
-
1979
- 1979-05-14 US US06/038,658 patent/US4242989A/en not_active Expired - Lifetime
-
1980
- 1980-04-11 GB GB8012022A patent/GB2053524A/en not_active Withdrawn
- 1980-05-08 DE DE19803017659 patent/DE3017659A1/de not_active Withdrawn
- 1980-05-09 IT IT21935/80A patent/IT1130582B/it active
- 1980-05-13 NL NL8002771A patent/NL8002771A/nl not_active Application Discontinuation
- 1980-05-14 JP JP6288580A patent/JPS5612903A/ja active Pending
- 1980-05-14 KR KR1019800001900A patent/KR830003043A/ko unknown
- 1980-05-14 FR FR8010974A patent/FR2456968A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2456968A1 (fr) | 1980-12-12 |
IT1130582B (it) | 1986-06-18 |
KR830003043A (ko) | 1983-05-31 |
US4242989A (en) | 1981-01-06 |
GB2053524A (en) | 1981-02-04 |
NL8002771A (nl) | 1980-11-18 |
DE3017659A1 (de) | 1980-11-20 |
JPS5612903A (en) | 1981-02-07 |
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