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Title:
MINING EXPLOSION-PROOF SPIRAL EXHAUST PRESSURE RELIEF DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/051309
Kind Code:
A1
Abstract:
A mining explosion-proof spiral exhaust pressure relief device, comprising an explosion-proof pressure relief shell (1) and a first explosion-proof pressure relief inner core (2). An exhaust cavity is axially provided in the explosion-proof pressure relief shell (1), one end of the exhaust cavity is open, the other end of the explosion-proof pressure relief shell (1) is provided with pressure relief holes (6), and the pressure relief holes (6) are communicated with the exhaust cavity; the first explosion-proof pressure relief inner core (2) is provided in the exhaust cavity; at least one explosion-proof spiral pressure relief channel (4) is provided on the outer wall of the first explosion-proof pressure relief inner core (2). According to the mining explosion-proof spiral pressure relief device, a second explosion-proof pressure relief inner core (3) can also be provided between the explosion-proof pressure relief shell (1) and the first explosion-proof pressure relief inner core (2), such that the explosion-proof gap is not changed while increasing the cross sectional area of the pressure relief channels, actual use requirements can be met by changing the number of stages of the explosion-proof pressure relief inner cores, and explosion-proof design requirements are met while exhaust pressure relief is achieved.

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Inventors:
WANG JUNHUA (CN)
CHEN RUI (CN)
HOU YANDONG (CN)
Application Number:
PCT/CN2023/103832
Publication Date:
March 14, 2024
Filing Date:
June 29, 2023
Export Citation:
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Assignee:
WUJIANG TIANLONG ELECTRONIC MACHINERY EQUIPMENT CO LTD (CN)
International Classes:
H01M50/30; F16K24/04; H01M50/308
Foreign References:
CN219082355U2023-05-26
CN115929963A2023-04-07
CN104934561A2015-09-23
CN207617066U2018-07-17
CA665233A1963-06-18
CN114033893A2022-02-11
CN213511083U2021-06-22
CN216980342U2022-07-15
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
Download PDF:
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