Domestic sludge ash-based fire region roadway blocking material and preparation method thereof
A technology for domestic sludge and plugging materials, which is applied in the field of coal mine construction to achieve the effects of reducing sludge volume, high early strength and simplifying the conveying process
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Embodiment 1
[0036] A domestic sludge ash-based fire zone roadway sealing material, comprising the following raw materials in parts by weight: 20 parts of Portland cement clinker, 15 parts of aluminate cement, 15 parts of domestic sludge ash, 55 parts of coke gemstones, poly 0.06 parts of carboxylic acid water reducer, 0.1 part of naphthalene-based water reducer, 0.01 part of triethanolamine, 0.4 part of calcium chloride, 0.6 part of dihydrate gypsum, 0.5 part of aluminum sulfate, 0.06 part of polypropylene fiber, 0.12 part of chopped basalt fiber and 80 parts of water.
[0037] Al in aluminate cement 2 o 3 The content of the aluminate cement is 50 wt%, and the specific surface area of the aluminate cement is ≥350 m 2 / kg; the polycarboxylate superplasticizer is a powdery solid, the water reducing rate is not less than 25%, the bleeding ratio is not more than 60%, and the specific surface area is ≥ 200m 2 / kg; the naphthalene-based water reducer is a powdery solid with a sodium sulfat...
Embodiment 2
[0049] A domestic sludge ash-based roadway plugging material in a fire area, comprising the following raw materials in parts by weight: 15 parts of Portland cement clinker, 10 parts of aluminate cement, 20 parts of domestic sludge ash, 60 parts of coke gemstone, poly 0.1 part of carboxylic acid water reducer, 0.4 part of naphthalene-based water reducer, 0.015 part of triethanolamine, 0.7 part of calcium chloride, 1 part of dihydrate gypsum, 0.2 part of aluminum sulfate, 0.03 part of polypropylene fiber, 0.06 part of chopped basalt fiber and 100 parts of water.
[0050] Al in aluminate cement 2 o 3 The content of aluminate cement is 60 wt%, and the specific surface area of aluminate cement is ≥350 m 2 / kg; the polycarboxylate superplasticizer is a powdery solid, the water reducing rate is not less than 25%, the bleeding ratio is not more than 60%, and the specific surface area is ≥ 200m 2 / kg; the naphthalene-based water reducer is a powdery solid with a sodium sulfate con...
Embodiment 3
[0062]A domestic sludge ash-based fire zone roadway sealing material, comprising the following raw materials in parts by weight: 20 parts of Portland cement clinker, 13 parts of aluminate cement, 18 parts of domestic sludge ash, 53 parts of coke gemstones, poly 0.08 parts of carboxylic acid water reducing agent, 0.25 parts of naphthalene-based water reducing agent, 0.08 parts of triethanolamine, 0.6 parts of calcium chloride, 0.8 parts of dihydrate gypsum, 0.3 parts of aluminum sulfate, 0.04 parts of polypropylene fiber, 0.09 parts of chopped basalt fiber and 90 parts of water.
[0063] Al in aluminate cement 2 o 3 The content of the aluminate cement is 55 wt%, and the specific surface area of the aluminate cement is ≥350 m 2 / kg; the polycarboxylate superplasticizer is a powdery solid, the water reducing rate is not less than 25%, the bleeding ratio is not more than 60%, and the specific surface area is ≥ 200m 2 / kg; the naphthalene-based water reducer is a powdery solid...
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