IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0492333
(2012-06-08)
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등록번호 |
US-8998567
(2015-04-07)
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발명자
/ 주소 |
- Scipio, Alston Ilford
- Ekanayake, Sanji
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
1 |
초록
▼
Methods, systems and apparatus for cleaning turbines, such as power generation turbines, are disclosed. Supplemental piping is connected to existing compressor air extraction and turbine nozzle cooling air piping, to supply water and/or cleaning agents into areas of a turbine not ordinarily accessib
Methods, systems and apparatus for cleaning turbines, such as power generation turbines, are disclosed. Supplemental piping is connected to existing compressor air extraction and turbine nozzle cooling air piping, to supply water and/or cleaning agents into areas of a turbine not ordinarily accessible by injection of water and/or cleaning agents into the bellmouth of the turbine alone. Pressure and flow sensors, pumps, valving, and a control system to regulate the operation of the pumps and valving are provided to control the introduction of water and/or cleaning agents into the turbine.
대표청구항
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1. A turbine engine system comprising: a turbine engine including a compressor section, a turbine section, compressor section air extraction piping, and turbine section air extraction piping;water supply piping, connected in flow communication with a supply of water;cleaning agent supply piping conn
1. A turbine engine system comprising: a turbine engine including a compressor section, a turbine section, compressor section air extraction piping, and turbine section air extraction piping;water supply piping, connected in flow communication with a supply of water;cleaning agent supply piping connected in flow communication with at least one supply of cleaning agent;a mixing chamber, connected in flow communication with the water supply piping and the cleaning agent supply piping, the mixing chamber being configured to receive water from the water supply piping and at least one cleaning agent from the cleaning supply piping, and produce a cleaning mixture;cleaning mixture supply piping, connected in flow communication with the mixing chamber, the cleaning mixture supply piping being connected in flow communication with the compressor section air extraction piping and the turbine section air extraction piping to selectively supply cleaning mixture to one of the compressor section and the turbine section;at least one pump, connected in flow communication with at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture piping; anda control system, connected to the water supply piping, the cleaning agent supply piping, the cleaning mixture piping, and the at least one pump, the control system operably configured to regulate flow of water, cleaning agent, and cleaning mixture through the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, respectively. 2. A turbine engine system according to claim 1 comprising: slag inhibitor piping, connected in flow communication with a supply of slag inhibitor, and in flow communication with the mixing chamber. 3. A turbine engine system according to claim 1 wherein the cleaning mixture supply piping further comprises: a cleaning mixture supply manifold, connected in flow communication with the mixing chamber;compressor section supply branch piping, connected in flow communication with the cleaning mixture supply manifold to supply cleaning mixture from the cleaning mixture supply manifold to the compressor section of the turbine engine; andturbine section supply branch piping connected in flow communication with the cleaning mixture supply manifold to supply cleaning mixture from the cleaning mixture supply manifold to the turbine section of the turbine engine. 4. A turbine engine system according to claim 3 wherein the cleaning mixture supply piping further comprises: turbine bellmouth supply branch piping connected in flow communication with the cleaning mixture supply manifold to supply cleaning mixture from the cleaning mixture supply manifold to the bellmouth of the turbine engine. 5. A turbine engine system according to claim 1 wherein the control system further comprises: a control processor;a control display associated with the control processor; andat least one pressure sensor, positioned in at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, the at least one pressure sensor in data communication with the control processor, for sensing pressure of fluid in said at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping. 6. A turbine engine system according to claim 5 wherein the control system further comprises: at least one flow control valve, positioned in at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, the at least one flow control valve in communication with the control processor, for enabling actuation of the at least one flow control valve between at least open and closed positions, said actuation caused by the control processor. 7. A turbine engine system according to claim 5 wherein said control system further comprises: at least one flow sensor, disposed in at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, the at least one flow sensor in communication with the control processor, for sensing flow of fluid in said at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping. 8. A method for cleaning a turbine engine having a compressor section, a turbine section, compressor air extraction piping and turbine air extraction piping, said method comprising: connecting water supply piping in flow communication with a supply of water;connecting cleaning agent supply piping in flow communication with at least one supply of cleaning agent;connecting a mixing chamber in flow communication with the water supply piping and the cleaning agent supply piping, the mixing chamber configured to receive water from the water supply piping and at least one cleaning agent from the cleaning supply piping, and produce a cleaning mixture;connecting cleaning mixture supply piping in flow communication with the mixing chamber;connecting the cleaning mixture supply piping connected in flow communication with the compressor section air extraction piping and the turbine section air extraction piping to selectively supply cleaning mixture to one of the compressor section and the turbine section; andconnecting a control system to the water supply piping, the cleaning agent supply piping, and the cleaning mixture piping to regulate flow of water, cleaning agent, and cleaning mixture through the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, respectively. 9. A method for cleaning a turbine engine according to claim 8 comprising: connecting slag inhibitor piping in flow communication with a supply of slag inhibitor, and in flow communication with the mixing chamber. 10. A method for cleaning a turbine engine according to claim 8 wherein connecting the cleaning mixture supply piping connected in flow communication with the compressor section air extraction piping and the turbine section air extraction piping to selectively supply cleaning mixture to one of the compressor section and the turbine section further comprises: connecting a cleaning mixture supply manifold in flow communication with the mixing chamber;connecting compressor section supply branch piping in flow communication with the cleaning mixture supply manifold to supply cleaning mixture from the cleaning mixture supply manifold to the compressor section of the turbine engine; andconnecting turbine section supply branch piping, in flow communication with the cleaning mixture supply manifold to supply cleaning mixture from the cleaning mixture supply manifold to the turbine section of the turbine engine. 11. A method for cleaning a turbine engine according to claim 10 wherein connecting the cleaning mixture supply piping connected in flow communication with the compressor section air extraction piping and the turbine section air extraction piping to selectively supply cleaning mixture to one of the compressor section and the turbine section further comprises: connecting turbine bellmouth supply branch piping in flow communication with the cleaning mixture supply manifold to supply cleaning mixture from the cleaning mixture supply manifold to the bellmouth of the turbine engine. 12. A method for cleaning a turbine engine according to claim 8 wherein connecting a control system to the water supply piping, the cleaning agent supply piping, and the cleaning mixture piping to regulate flow of water, cleaning agent, and cleaning mixture through the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, respectively, comprises: providing a control processor;providing a control display associated with the control processor; andpositioning at least one pressure sensor in at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, the at least one pressure sensor in data communication with the control processor, for sensing pressure of fluid in said at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping. 13. A method for cleaning a turbine engine according to claim 12 wherein connecting a control system to the water supply piping, the cleaning agent supply piping, and the cleaning mixture piping to regulate flow of water, cleaning agent, and cleaning mixture through the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, respectively, comprises: positioning at least one flow control valve in at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, the at least one flow control valve in communication with the control processor, for enabling actuation of the at least one flow control valve between at least open and closed positions, said actuation caused by the control processor. 14. A method for cleaning a turbine engine according to claim 12 wherein connecting a control system to the water supply piping, the cleaning agent supply piping, and the cleaning mixture piping to regulate flow of water, cleaning agent, and cleaning mixture through the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, respectively, comprises: positioning at least one flow sensor in at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, the at least one flow sensor in communication with the control processor, for sensing flow of fluid in said at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping. 15. A method for cleaning a turbine engine according to claim 12 further comprising: supplying water to the mixing chamber;supplying cleaning agent to the mixing chamber;transporting cleaning mixture from the mixing chamber to the cleaning mixture supply manifold;transporting cleaning mixture from the cleaning mixture supply manifold to one of the compressor section of the turbine engine and the turbine section of the turbine engine; andagitating the cleaning mixture by rotating the turbine engine at a predefined rotational speed. 16. A method for cleaning a turbine engine according to claim 15 comprising: draining used cleaning mixture from the turbine engine. 17. A method for cleaning a turbine engine according to claim 16 comprising: supplying rinse water through the mixing chamber, the cleaning mixture manifold, and the cleaning mixture piping, and into one of the compressor section of the turbine engine and the turbine section of the turbine; andagitating the rinse water by rotating the turbine engine at a predefined rotational speed. 18. A method for cleaning a turbine engine according to claim 17 comprising: draining used rinse water from the turbine engine; anddrying the turbine engine by rotating the turbine engine at a predefined rotational speed. 19. A method for cleaning a turbine engine according to claim 18 further comprising: testing the used rinse water to determine whether a predefined level of cleaning has been attained;re-rinsing the turbine engine if the predefined level of cleaning has not been achieved. 20. A system for cleaning a turbine engine having a compressor section, a turbine section, compressor air extraction piping and turbine air extraction piping, said system comprising: water supply piping, connected in flow communication with a supply of water;cleaning agent supply piping connected in flow communication with at least one supply of cleaning agent;a mixing chamber, connected in flow communication with the water supply piping and the cleaning agent supply piping, the mixing chamber being configured to receive water from the water supply piping and at least one cleaning agent from the cleaning supply piping, and produce a cleaning mixture;cleaning mixture supply piping, connected in flow communication with the mixing chamber, the cleaning mixture supply piping being connected in flow communication with the compressor section air extraction piping and the turbine section air extraction piping to selectively supply cleaning mixture to one of the compressor section and the turbine section;at least one pump, connected in flow communication with at least one of the water supply piping, the cleaning agent supply piping, and the cleaning mixture piping; anda control system, connected to the water supply piping, the cleaning agent supply piping, the cleaning mixture piping, and the at least one pump, the control system operably configured to regulate flow of water, cleaning agent, and cleaning mixture through the water supply piping, the cleaning agent supply piping, and the cleaning mixture supply piping, respectively.
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