Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Indicator gas"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 9, Pp 1-11 (2024)
In order to investigate the influence of gas mixture (O2/N2 and O2/N2/CO2) on the spontaneous combustion characteristics of coal, synchronous thermal analyzers, temperature programmed gas chromatography/infrared spectrometers were used to study the c
Externí odkaz:
https://doaj.org/article/3c9821719d504b42ab79754de15ce005
Publikováno v:
Meitan kexue jishu, Vol 52, Iss S1, Pp 107-115 (2024)
Coal gangue, which accumulates in the open air, is modified by immersion in rain, and exhibits different tendencies to spontaneous combustion in different areas of precipitation. To study the role and influence of moisture on the oxidation and sponta
Externí odkaz:
https://doaj.org/article/091bb6078c904b0b9aab2b9dbf7bdecd
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 99-110 (2024)
For reducing the incidence of mine fires, the limitations and shortcomings of the existing monitoring and early warning technologies for coal spontaneous combustion disaster are sorted out, and it is pointed out that the future development should foc
Externí odkaz:
https://doaj.org/article/213e62d2679c4e01b0e1f435f2b031da
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 111-119 (2024)
In order to explore the influence law of igneous rock erosion on coal spontaneous combustion characteristics and structure, taking primary coal and igneous rock eroded coal in the same coal face of Shanxi Mine and Liaoning Mine as the samples, the ox
Externí odkaz:
https://doaj.org/article/760a03b8be8e444585e632a5396789e2
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 1, Pp 105499- (2024)
To explore the macro–micro coal oxidation characteristics for the purpose of preventing coal spontaneous combustion and achieving efficient coal conversion and utilization, the enclosed coal oxidation characteristics of KunNing coal sample (KN) und
Externí odkaz:
https://doaj.org/article/bdef6d8caef8436a86fb7bf0b72cbc8e
Publikováno v:
Case Studies in Thermal Engineering, Vol 53, Iss , Pp 103813- (2024)
The accurate determination of coal temperature in hidden space such as goaf has always been a worldwide problem that needs to be solved. The research of coal temperature prediction model has important practical significance for the accurate detection
Externí odkaz:
https://doaj.org/article/eb6631bcb8a34258ac8177a01775ec12
Publikováno v:
Meikuang Anquan, Vol 53, Iss 12, Pp 1-7 (2022)
Taking Huangtukeng Coal Mine in Fujian Province as the research object, using network parallel electrical method technology, this paper expounds Levenberg Marquardt inversion principle and model construction from the perspective of three-dimensional
Externí odkaz:
https://doaj.org/article/6cb034e797f042bf9bff48bb4fa9987e
Akademický článek
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Akademický článek
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Publikováno v:
Energies, Vol 16, Iss 23, p 7802 (2023)
The adequate assessment of the spontaneous combustion and oxidation characteristics of coking coal can help to reduce its spontaneous combustion potential. In this study, the natural ignition period of the Hex coking coal seam at Ping Coal was calcul
Externí odkaz:
https://doaj.org/article/0b9b3f4a14a54dcaaa76ae309099b729