Results 21 to 30 of about 1,454 (146)

Prediction of Mine Water Inflow at Different Periods in Balasu Coal Field of Northern Yuheng Mining Area

open access: yesMeikuang Anquan, 2020
In order to accurately predict the water inflow of different periods in northern Yuheng Mining Area, taking No.2 coal seam of the first mining area of Balasu Mine Field as an example, firstly, the height of water-conducting fissure zone and the affected
WANG Chungang, FANG Gang, LIU Yang
doaj   +1 more source

Coal Mine Water Inflow Prediction Model Based on Multi-Factor Pearson Correlation Analysis

open access: yesApplied Sciences
Since geological structures around coal mines are complex, sudden coal mine water inflow is seriously threatening coal mining safety. To improve the accuracy of predicting coal mine water inflow, a multi-source dataset is collected to develop a coal mine
Liang Ma   +6 more
doaj   +1 more source

Preliminary study on Applicability of mine water inflow forecasting method

open access: yesIOP Conference Series: Earth and Environmental Science, 2020
Abstract The commonly used calculation and prediction methods of mine water inflow in China are divided into deterministic and non-deterministic. Affected by many influencing factors, the applicability of the calculation method has not been reflected, resulting in a large prediction error.
Nan Zhang   +5 more
openaire   +1 more source

Research on methods of mine flood perception and water source determination

open access: yesGong-kuang zidonghua, 2019
Based on analysis of principle and characteristics of mine flood perception methods such as water quality monitoring method, water inflow monitoring method, water temperature monitoring method, temperature monitoring method, humidity monitoring method ...
SUN Jiping, JIN Chunhai
doaj   +1 more source

Research and comparative analysis of mine water inflow prediction method:a case study of Donggou Coal Mine in Xinjiang

open access: yesMeitan kexue jishu
The prediction of mine water inflow is of great significance to the safe production of coal mines. The accurate selection of hydrogeological parameters and the selection of calculation methods have a great influence on the accurate prediction of mine ...
Quanchao ZHOU   +7 more
doaj   +1 more source

Characteristics of microbial communities in water bodies of ecologically fragile coal mining areas and indications for mine water filling

open access: yesMeitan kexue jishu
The overall water resources in ecologically fragile mining areas in our country are scarce, but in some areas, mine water inflow is exceptionally large.
Limin FAN   +4 more
doaj   +1 more source

Risk Assessment of Coal Roof Water Inrush Based on Water-rich Index

open access: yesMeikuang Anquan, 2020
This paper is aimed at the evaluation of the risk of water gushing in the middle and lower Jurassic aquifers in the coal roof of Tarangaole Coal Mine, the weight values of the water-rich influencing factors such as aquifer thickness, collecting rate of ...
HUANG Huan, ZHU Hongjun
doaj   +1 more source

Modern Methods of Strengthening and Sealing Salt Mines

open access: yesEnergies, 2022
In order to ensure safe working conditions for miners underground, many works are carried out in mines to strengthen and seal mining excavations. This article presents the successfully applied technology for removing water inflow from the unique Salt ...
Andrzej Gonet   +2 more
doaj   +1 more source

Derivative mine dynamic water inrush mode of skylight leakage and its evaluation and control technology system

open access: yesMeitan xuebao, 2023
The central and western coal resources have the highest degree of enrichment and superior development conditions in China. With the improvement of mining efficiency, the disturbance of high-intensity and large-mining-height mining mode to groundwater ...
Yifan ZENG   +8 more
doaj   +1 more source

Optimal control of mine multi-level relay drainage system

open access: yesGong-kuang zidonghua, 2020
The electricity consumption of mine multi-level relay drainage system is very large, in order to improve economy of drainage system operation, it is necessary to optimize drainage system control, but current optimal control methods of mine multi-level ...
HAN Xiuqi
doaj   +1 more source

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