Title:
CONTROL APPARATUS FOR PREVENTING SPONTANEOUS COMBUSTION OF ACCUMULATED POWDER IN VERTICAL CABLE SHAFT
Document Type and Number:
WIPO Patent Application WO/2023/202716
Kind Code:
A1
Abstract:
A control apparatus for preventing spontaneous combustion of accumulated powder in a vertical cable shaft comprises: a group of gas conveying pipes communicated with a vertical cable shaft body (1), a free end of the group of gas conveying pipes being connected to a compressed air source, and the group of gas conveying pipes additionally having disposed thereon an electric pressure regulating valve (6); further comprised is a pressure switch (3) arranged in the vertical cable shaft body (1), the pressure switch (3) being electrically connected to the electric pressure regulating valve (6). The control apparatus improves monitoring capabilities, enhances device reliability, and allows workers to rapidly discover temperature abnormalities in a vertical shaft.
Inventors:
LI LEI (CN)
LIN SONGQING (CN)
LI YAOLIANG (CN)
LIU PENGFENG (CN)
HUANG XUEHUI (CN)
ZHANG ZHIYUAN (CN)
ZHAN XINMIN (CN)
LI KEXIN (CN)
LIN SONGQING (CN)
LI YAOLIANG (CN)
LIU PENGFENG (CN)
HUANG XUEHUI (CN)
ZHANG ZHIYUAN (CN)
ZHAN XINMIN (CN)
LI KEXIN (CN)
Application Number:
PCT/CN2023/089952
Publication Date:
October 26, 2023
Filing Date:
April 22, 2023
Export Citation:
Assignee:
HUANENG LUOYUAN POWER GENERATION CO LTD (CN)
International Classes:
G08B7/06
Foreign References:
| CN217739985U | 2022-11-04 | |||
| CN212433916U | 2021-01-29 | |||
| CN207588231U | 2018-07-06 | |||
| CN111649321A | 2020-09-11 | |||
| CN113112684A | 2021-07-13 | |||
| CN211990048U | 2020-11-24 | |||
| CN212776766U | 2021-03-23 | |||
| CN214403657U | 2021-10-15 | |||
| CN214670979U | 2021-11-09 | |||
| RU2667281C1 | 2018-09-18 |
Attorney, Agent or Firm:
FUZHOU KEYANG PATENT FIRM (GENERAL PARTNERSHIP) et al. (CN)
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