Title:
MULTI-FUEL SWITCH DEVICE AND METHOD USED FOR GAS TURBINE, AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2023/151152
Kind Code:
A1
Abstract:
The present disclosure relates to a multi-fuel switch device and method used for a gas turbine and a gas turbine. The device comprises a gas fuel pipeline, a liquid fuel pipeline, a purge fluid first pipeline, a purge fluid second pipeline, a detection unit, a control unit, a first switch unit arranged on the gas fuel pipeline, a second switch unit arranged on the liquid fuel pipeline, a third switch unit arranged on the purge fluid first pipeline, and a fourth switch unit arranged on the purge fluid second pipeline, the purge fluid first pipeline being connected to a first purge point of the gas fuel pipeline, a first detection point being arranged on the gas fuel pipeline at the downstream of the first purge point, the gas fuel pipeline at the downstream of the first detection point being divided into a first branch pipeline and a second branch pipeline, the detection unit being arranged on the first branch pipeline, and the detection unit, the first switch unit and the second switch unit being all electrically connected to the control unit, so that the switching efficiency and the degree of reliability are improved.
Inventors:
WANG WENSHU (CN)
LI XIN (CN)
ZHAI LUYUAN (CN)
LI XIN (CN)
ZHAI LUYUAN (CN)
Application Number:
PCT/CN2022/081052
Publication Date:
August 17, 2023
Filing Date:
March 16, 2022
Export Citation:
Assignee:
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (CN)
International Classes:
F02C9/40
Foreign References:
| CN216811921U | 2022-06-24 | |||
| CN103225545A | 2013-07-31 | |||
| US20010022080A1 | 2001-09-20 | |||
| CN102678337A | 2012-09-19 | |||
| CN106232962A | 2016-12-14 | |||
| CN106988891A | 2017-07-28 |
Attorney, Agent or Firm:
SHENZHEN ZHIHUIYUANJIAN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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