RU2013147828A - METHOD FOR DRUM VARIABLE TEMPERATURE CONTROL - Google Patents
METHOD FOR DRUM VARIABLE TEMPERATURE CONTROL Download PDFInfo
- Publication number
- RU2013147828A RU2013147828A RU2013147828/06A RU2013147828A RU2013147828A RU 2013147828 A RU2013147828 A RU 2013147828A RU 2013147828/06 A RU2013147828/06 A RU 2013147828/06A RU 2013147828 A RU2013147828 A RU 2013147828A RU 2013147828 A RU2013147828 A RU 2013147828A
- Authority
- RU
- Russia
- Prior art keywords
- evaporator
- pump
- fluid
- drum
- evaporator system
- Prior art date
Links
Classifications
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/007—Control systems for waste heat boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/02—Control systems for steam boilers for steam boilers with natural convection circulation
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- 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
Abstract
1. Способ, включающий в себя этапы, на которых:создают временный градиент давления при запуске системы испарителя, при этом система испарителя содержит:испаритель,барабан инасос, причем испаритель, барабан и насос находятся в сообщении по текучей среды друг с другом,осуществляют транспортировку текучей среды из испарителя в барабан до того, как текучая среда достигнет точки кипения в испарителе, иосуществляют циркуляцию текучей среды через систему испарителя посредством естественной циркуляции после того, как текучая среда достигнет точки кипения в испарителе.2. Способ по п.1, в котором насос представляет собой центробежный насос или струйный насос.3. Способ по п.1, в котором текучая среда представляет собой воду.4. Способ по п.1, в котором текучая среда представляет собой пар.5. Способ по п.1, в котором система испарителя дополнительно содержит клапан для изолирования насоса от системы испарителя.6. Способ по п.1, в котором система испарителя дополнительно содержит опускную трубу, при этом создают градиент давления в опускной трубе от области более низкого давления в паровом барабане до области высокого давления в испарителе.7. Способ по п.1, в котором насос расположен ниже по потоку от парового барабана и выше по потоку от испарителя.8. Способ по п.2, в котором струйный насос расположен ниже по потоку от парового барабана и в сообщении по текучей среде с опускной трубой, которая находится в сообщении по текучей среде с паровым барабаном.1. A method including the steps of: creating a temporary pressure gradient when starting the evaporator system, wherein the evaporator system comprises: an evaporator, a drum and a pump, wherein the evaporator, the drum and the pump are in fluid communication with each other, carry out transportation fluid from the evaporator to the drum before the fluid reaches the boiling point in the evaporator, and circulate the fluid through the evaporator system by natural circulation after the fluid reaches the boiling point in the evaporator. 2. The method of claim 1, wherein the pump is a centrifugal pump or a jet pump. The method of claim 1, wherein the fluid is water. The method of claim 1, wherein the fluid is par. 5. The method of claim 1, wherein the evaporator system further comprises a valve for isolating the pump from the evaporator system. The method of claim 1, wherein the evaporator system further comprises a dip tube, wherein a pressure gradient is created in the dip tube from a lower pressure region in the steam drum to a high pressure region in the evaporator. The method of claim 1, wherein the pump is located downstream of the steam drum and upstream of the evaporator. The method of claim 2, wherein the jet pump is located downstream of the steam drum and in fluid communication with a standpipe that is in fluid communication with the steam drum.
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/073,230 | 2011-03-28 | ||
US13/073,230 US20120247406A1 (en) | 2011-03-28 | 2011-03-28 | Method of controlling drum temperature transients |
PCT/US2012/030035 WO2012134926A2 (en) | 2011-03-28 | 2012-03-22 | Method of controlling drum temperature transients |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2013147828A true RU2013147828A (en) | 2015-05-10 |
RU2575518C2 RU2575518C2 (en) | 2016-02-20 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
CA2831727A1 (en) | 2012-10-04 |
CN103518099A (en) | 2014-01-15 |
US20120247406A1 (en) | 2012-10-04 |
JP6068434B2 (en) | 2017-01-25 |
EP2691700A2 (en) | 2014-02-05 |
CN103518099B (en) | 2017-05-17 |
AU2012237667B2 (en) | 2015-08-27 |
WO2012134926A2 (en) | 2012-10-04 |
KR20130143723A (en) | 2013-12-31 |
JP2014512505A (en) | 2014-05-22 |
WO2012134926A3 (en) | 2013-08-22 |
IL228543A0 (en) | 2013-12-31 |
AU2012237667A1 (en) | 2013-10-17 |
EP2691700B1 (en) | 2021-03-10 |
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