COAL FACE WATER QUALITY ASSURANCE SYSTEM Russian patent published in 2024 - IPC E21D23/16 

Abstract RU 2821493 C1

FIELD: mining.

SUBSTANCE: invention relates to a system for ensuring quality of a working medium for a coal face. Working medium in the system is water. System comprises a mechanism for using a working medium. System also has a working medium storage mechanism associated with the working medium utilization mechanism for supplying the working medium to the working medium utilization mechanism. System also has a first control mechanism located between the working medium storage mechanism and the working medium utilization mechanism and communicating with them. If the first control mechanism detects that the working medium has a pH value of less than 6 or more than 9 and/or electrical conductivity of the working medium is more than 300 mcS/cm, the supply of the working medium from the working medium storage mechanism to the working medium use mechanism is terminated. System also has a third control mechanism communicating with the working medium utilization mechanism to determine the quality of the working medium exiting the working medium utilization mechanism. If the third control mechanism detects that the working medium has a pH value of 6 to 9 and/or electrical conductivity of the working medium has value of 300 mcS/cm or less, the third control mechanism supplies the working medium to the working medium storage mechanism for reuse.

EFFECT: longer life.

8 cl, 1 dwg

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RU 2 821 493 C1

Authors

Zhang Jiankai

Tian Chengjin

Liu Bo

Wei Wenshu

Zhang Jingjing

Wang Wei

Xiang Hu

Wang Jianqiang

Wang Dalong

Dates

2024-06-25Published

2020-10-23Filed