Zobrazeno 1 - 10
of 321
pro vyhledávání: '"spontaneous combustion of coal"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss S1, Pp 62-69 (2024)
In order to study the “three zones” of spontaneous combustion in gob under different gas treatment conditions of high gas prone to spontaneous combustion and the change law of temperature field distribution, combined with the actual conditions of
Externí odkaz:
https://doaj.org/article/7a75aa21f6694e428ab8f5d1094636b6
Publikováno v:
Meitan kexue jishu, Vol 52, Iss S1, Pp 94-106 (2024)
For the situation that coal is still capable of oxidative spontaneous combustion under different oxygen conditions, we choose three coals with different metamorphic degrees: lignite, gas coal and fatty coal, selected as experimental samples to carry
Externí odkaz:
https://doaj.org/article/9e5e22bfe84c44bfa59c7db0398f7dd7
Publikováno v:
Meikuang Anquan, Vol 55, Iss 2, Pp 87-98 (2024)
In order to study the changes of spontaneous combustion characteristics of bituminous coal with different degrees of metamorphism, according to the order of metamorphism degrees from low to high, four types of bituminous coal with different degrees o
Externí odkaz:
https://doaj.org/article/31864851418d472989c90ba5d14775e1
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract To explore the mechanism of inhibiting spontaneous combustion of coal by mixed gases, the low-temperature oxidation characteristics of coal under different components of mixed gases were analyzed. ESR and FTIR experiments were used to invest
Externí odkaz:
https://doaj.org/article/aa3507e7f0984a65818a0e98dff5f658
Publikováno v:
Meikuang Anquan, Vol 55, Iss 1, Pp 126-131 (2024)
In order to study the effect of magnesium salt (magnesium chloride hexahydrate + magnesium hydroxide) on the retarding characteristics of coal spontaneous combustion, the effects of inhibitor dosage and silane coupling agent on the characteristic tem
Externí odkaz:
https://doaj.org/article/38dbe5b67865411a9571d07064e7910a
Autor:
Biao KONG, Jianhui ZHONG, Wei LU, Xiangming HU, Lin XIN, Bin ZHANG, Xiaolong ZHANG, Zedong ZHUANG
Publikováno v:
Meitan kexue jishu, Vol 51, Iss S2, Pp 84-91 (2023)
The early warning of coal spontaneous combustion is difficult to solve the perception of fire information. The acoustic emission (AE) signal generated by thermal damage and destruction on coal rock can perceive the temperature, and then issue a warni
Externí odkaz:
https://doaj.org/article/0274d33f6d3149979174f0bafed0a292
Publikováno v:
Meikuang Anquan, Vol 54, Iss 10, Pp 92-99 (2023)
In order to solve the problem of spontaneous combustion of coal in U-shaped stope during dynamic advance, a multiphysical field coupled mathematical model including the inlet and return airway, working face and goaf is established, and the reasonable
Externí odkaz:
https://doaj.org/article/6fdb4b86dfc74caebae5edfa66782665
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 2, Pp 105476- (2024)
To investigate the impact of stratified mining on the spontaneous combustion characteristics of lower coal in thick coal seams, an analysis was conducted on the macro pore structure, temperature rise, oxygen consumption characteristics, chemical stru
Externí odkaz:
https://doaj.org/article/cf45725a193a4c32a2c0ae3496ab9e7a
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 2, Pp 412-421 (2023)
Spontaneous combustion of coal waste dumps is a huge challenge in land reclamation and ecological environment protection in mining areas. Advance and timely monitoring and early warning in spontaneous combustion process are crucial, and have always b
Externí odkaz:
https://doaj.org/article/499e5b2784a64c2a9a512268e30be06e
Publikováno v:
矿业科学学报, Vol 8, Iss 1, Pp 15-25 (2023)
In order to find out the key causes of changes in spontaneous combustion characteristics of igneous intrusive coal seams, this paper took the Daxing Coal Mine in Tiefa Coalfield as example for analysis, which was widely invaded by igneous and had ser
Externí odkaz:
https://doaj.org/article/cf4d6a022b2a40388ba81a0ce336627a