Zobrazeno 1 - 10
of 84
pro vyhledávání: '"coal field fire"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 12, Pp 132-142 (2024)
Coalfield spontaneous combustion causes problems such as wastage of coal resources, environmental pollution, casualties, and economic losses. In order to further promote attention to environmental issues during the process of coalfield spontaneous co
Externí odkaz:
https://doaj.org/article/00b8b6d6693540f0b3b4e90573a2195f
Akademický článek
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Akademický článek
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Autor:
BAO Xingdong, CAO Fei
Publikováno v:
Gong-kuang zidonghua, Vol 44, Iss 2, Pp 99-105 (2018)
In view of the problems of unreasonable planning, greater artificial influence factors existed in existing management method of coal fire area because of lacking of construction organization plan, taking the sixth fire area of Nanshan coal field fire
Externí odkaz:
https://doaj.org/article/9f44e97d79264c18962bc5d3796c0aa9
Autor:
WANG Gang
Publikováno v:
Meikuang Anquan, Vol 52, Iss 11, Pp 28-31, 37 (2021)
In order to study the mechanism and process of mercury migration under the influence of coal spontaneous combustion and coal field fire area, this paper uses the method of combining theory and experiment to study the migration of mercury. In this pap
Externí odkaz:
https://doaj.org/article/13d9d7705dd64f889df8511ea5f25d12
Publikováno v:
Meikuang Anquan, Vol 55, Iss 2, Pp 78-86 (2024)
Modeling and understanding of underground coal fire is of significance for green-and-safe mining of coal resources in China. Two issues remain unsolved in forward-propagation models of underground coal smoldering fires: one-step coal oxidation has be
Externí odkaz:
https://doaj.org/article/f46bcf6f35d24ca19e5477b1a112b0ed
Autor:
QI Huaiyuan, WANG Jianwei
Publikováno v:
Meikuang Anquan, Vol 54, Iss 7, Pp 163-170 (2023)
In coal fire control, grouting/water extinguishing is often repeated for reasons such as re-ignition. The surrounding rock undergoes repeated heating and water cooling, resulting in strength reduction and damage, and collapse and cracks on the extend
Externí odkaz:
https://doaj.org/article/6bc5aac8a3194aedad8cbdb17d65cade
Publikováno v:
Meikuang Anquan, Vol 53, Iss 6, Pp 50-56 (2022)
To study the magnetic change mechanism of weakly caking coal during the heating process, the mass magnetic susceptibility of coal samples during the heating process was measured in this paper. Compared with the burnt coal sample after heat treatment
Externí odkaz:
https://doaj.org/article/f19f484c46d146179dbfdb243c781aaf
Autor:
ZHANG Xinhai, CHENG Wangshou, LI Xunguang, MIAO Yuhui, DOU Kai, ZHU Hui, ZHAO Bin, CHEN Fei, YANG Shaoxiong
Publikováno v:
Meikuang Anquan, Vol 52, Iss 7, Pp 33-38 (2021)
By comparing the change law of magnetic susceptibility of Ordos coal rock at normal temperature and during the temperature increase: as the temperature increases, the magnetic susceptibility also increases, and the composition of coal rock before and
Externí odkaz:
https://doaj.org/article/6b09bb61447549bb9852610df2bd4f95