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| Investigation and analysis on water quality of fluid distribution for transmission medium of hydraulic support |
| Yang Ye1, 2, 3, Zhao Yuling1, 2, 3 |
1. Mine Oil Products Branch, Coal Science and Technology Research Institute Corporation Ltd.， Beijing 100013, China；
2. Coal Resources Exploitation and State Key Laboratory of Environmental Protection, Beijing 100013, China ; 3. State key Laboratory of Energy and Coal Efficient Utilization and Energy Conservation and Emission Reduction Technology, Beijing 100013, China |
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Abstract In the hydraulic support working environment, water is very crucial for normal use of concentrated liquid / oil emulsion playing. In this paper, through the integration liquid sample analysis across the country , it was concluded that when liquid water hardness was greater than 250 mg/L, the user through the standard MT76-2011 selection of concentrated liquid / oil emulsion model was reasonable and effective, when the distribution of liquid water was less than 250 mg/L, selected products needed to be cautious.
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