Title:
MAIN SHAFT SEAL CONTROL SYSTEM FOR HYDROELECTRIC PLANT
Document Type and Number:
WIPO Patent Application WO/2023/103246
Kind Code:
A1
Abstract:
A main shaft seal control system for a hydroelectric plant. The control system comprises a purification module (100), a high-level water tank (200) and a technical water supply pipeline (300) separately connected to the purification module (100), and a water filtering assembly (400) connected to the purification module (100). According to the system, two paths of water sources are provided as a water source in a high/low water season; a pipeline booster pump (503) is provided for use in emergency when the flow pressure is low in a normal water supply mode, and can be operated for a long period of time, so as to provide a guarantee for bush overheating prevention of a unit main shaft seal; the water quality is purified by means of the purification module (100), so as to prevent the blockage of a device, thereby prolonging the service life of the device.
Inventors:
CHEN XIN (CN)
HE MUXING (CN)
KOU LIN (CN)
TIAN SHUNDE (CN)
MA DAHAI (CN)
LIU DEYI (CN)
HU TAO (CN)
LI BINGWEI (CN)
WANG XIANFENG (CN)
HE MUXING (CN)
KOU LIN (CN)
TIAN SHUNDE (CN)
MA DAHAI (CN)
LIU DEYI (CN)
HU TAO (CN)
LI BINGWEI (CN)
WANG XIANFENG (CN)
Application Number:
PCT/CN2022/087044
Publication Date:
June 15, 2023
Filing Date:
April 15, 2022
Export Citation:
Assignee:
HUANENG TIBET YARLUNG ZANGBO RIVER HYDROPOWER DEVELOPMENT INVEST CO LTD (CN)
International Classes:
B01D35/14; B01D36/04; E02B9/04; F16L55/24
Foreign References:
| CN206859187U | 2018-01-09 | |||
| CN111558253A | 2020-08-21 | |||
| CN213868035U | 2021-08-03 | |||
| CN212236208U | 2020-12-29 | |||
| CN205953687U | 2017-02-15 | |||
| US4919154A | 1990-04-24 |
Attorney, Agent or Firm:
YUV (NANJING) INTELLECTUAL PROPERTY FIRM (SPECIAL GP) (CN)
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