Research Article
Experimental Research on the Performance of the Macromolecule Colloid Fire-Extinguishing Material for Coal Seam Spontaneous Combustion
Table 2
Treatment of the coal samples.
| | Number | Sample | Remarks | Quantity |
| | 1 | Raw coal | Nothing | Nothing | | 2 | Coal + water | Water | 2 kg | | 3 | Coal + WGC | Na2SiO3·9H2O concentration of 10% | | NaHCO3 concentration of 4% | 2 kg | | 4 | Coal + LCC | Water-soil ratio is 1 : 1, and gelling agent added is 0.1% | 2 kg | | 5 | Coal + FACC | Water-fly ash ratio is 1 : 1, and gelling agent added is 0.1% | 2 kg | | 6 | Coal + MC | Water-macromolecular material ratio is 99 : 1 | 2 kg |
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The proportions are quantity ratios.
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