ЛАБОРАТОРНІ ДОСЛІДЖЕННЯ ДВОВИМІРНОЇ ФІЛЬТРАЦІЇ ВОДНОГО РОЗЧИНУ ТВЕРДОГО АНТИПІРОГЕНУ «PIROCOOL» ЧЕРЕЗ ВУГІЛЛЯ

Abstract

Purpose. Study of filtration parameters of an aqueous solution of solid anti-pyrogen "Pirocool" and assessment of its influence on methane migration from the coal seam to the preparatory production. Method. The research was carried out on a stand for two-dimensional filtration of liquid with anti-pyrogen "Pirocool" through a coal sample. The sample is 40x40x40 mm with a hole located in the middle of the sample. Results. The obtained dependence of the relative permeability of the aqueous solution of the antipyrogen "Pirocool" on its concentration compared to the permeability of pure water. Obtained experimental data on the relative change in gas permeability of a coal sample before hydrotreatment, after hydrotreatment with water, and after repeated treatment with an aqueous solution of the anti-pyrogen "Pirocool". Scientific novelty. It consists of obtained experimental data. In addition, the wavy character of the dependence of the relative permeability of the aqueous solution of the anti-pyrogen "Pirocool" deserves attention, which may turn into a well-founded regularity in further more advanced research. Practical meaning. The obtained results prove the possibility of combining two separate safety measures in the development of coal seams - hydro loosening to prevent sudden emissions during preparatory work, and injection of aqueous solutions of anti-pyrogens in order to prevent ignition of the seam. This allows you to reduce costs and increase the productivity of mandatory preventive measures. Key words: anti-pyrogen, coal seam, liquid filtration, solution concentration, sudden emissions.