A composite gel fire-fighting material is developed with loess around Xiashijie coalmine, the correlative composite gel injecting system is also developed, which slurry, composite gel and polymer gel.

根据下石节煤矿地表黄土特性，研制出适合下石节矿特点的复合胶体材料，并开发出相应的复合胶体防灭火系统，实现灌注优质泥浆、复合胶体和高分子胶体的功能。

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