Title:
ON-SITE MIXED EMULSION EXPLOSIVE CHARGING DEVICE AND METHOD FOR TUNNEL PERIPHERY HOLES
Document Type and Number:
WIPO Patent Application WO/2023/216802
Kind Code:
A1
Abstract:
Disclosed are an on-site mixed emulsion explosive charging device and method for tunnel periphery holes. The charging device comprises a charging sleeve, a sleeve sealing member, and an elastic fixing ring. The charging sleeve extends from the bottom of a blast hole to an opening of the blast hole. The sleeve sealing member blocks an opening of the charging sleeve located at the bottom of the blast hole. The elastic fixing ring surrounds the opening of the blast hole, and is fitted between the periphery of the charging sleeve and the wall of the blast hole. The charging sleeve is used for containing a detonator, an explosive charge, and an on-site mixed emulsion explosive. The charging method is implemented on the basis of on-site mixing equipment and the described device, and a low-density explosive is charged.
Inventors:
CAO JINJUN (CN)
ZHOU GUISONG (CN)
HAO YAFEI (CN)
LENG ZHENDONG (CN)
TIAN SHUILONG (CN)
HUANG XIONG (CN)
CAO JIAN (CN)
ZHOU GUISONG (CN)
HAO YAFEI (CN)
LENG ZHENDONG (CN)
TIAN SHUILONG (CN)
HUANG XIONG (CN)
CAO JIAN (CN)
Application Number:
PCT/CN2023/088079
Publication Date:
November 16, 2023
Filing Date:
April 13, 2023
Export Citation:
Assignee:
CHINA GEZHOUBA GROUP EXPLOSIVE CO LTD (CN)
International Classes:
E21B29/02; F42D1/10; F42D1/08
Foreign References:
| CN114838636A | 2022-08-02 | |||
| CN102809331A | 2012-12-05 | |||
| CN109141150A | 2019-01-04 | |||
| CN102914227A | 2013-02-06 | |||
| CN110360909A | 2019-10-22 | |||
| CN112857156A | 2021-05-28 | |||
| CN209588867U | 2019-11-05 | |||
| KR20110133969A | 2011-12-14 |
Attorney, Agent or Firm:
YUHONG INTELLECTUAL PROPERTY LAW FIRM (CN)
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