Coal pile surface waterproof covering agent and preparation method thereof
A covering agent, water-based technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of unsuitable open-pit coal pile dust suppression, low-level calorific value drop, low bonding strength, etc., to prevent coal loss and environmental protection. The effect of pollution, low temperature, and simple operation of the preparation method
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[0035] Example 1
[0036] In this embodiment, a water-resistant covering agent for the surface of a coal pile is prepared from raw materials with the following weights:
[0037] Soy protein isolate: 1g,
[0038] Sodium carboxymethyl cellulose (molecular weight 800-1200): 0.1g,
[0039] Sodium dodecyl sulfonate: 0.1g,
[0040] 30% sodium methyl silicate aqueous solution: 1.67g, containing sodium methyl silicate: 0.5g,
[0041] Water: Make up to 100g.
[0042] The preparation method of the above-mentioned water-resistant covering agent for the surface of coal pile includes the following steps:
[0043] (1) Add 1g of soy protein isolate, 0.1g sodium carboxymethylcellulose, 0.1g sodium dodecyl sulfonate and 70g water into the reaction kettle, stir and heat to 60°C, react for 0.5h to obtain a mixed solution;
[0044] (2) After cooling the mixture completely, add 1.67g of 30% sodium methyl silicate aqueous solution (3010 sodium methyl silicate), and add water to make up the solution to 100g, stir...
Example Embodiment
[0050] Example 2
[0051] In this embodiment, a water-resistant covering agent for the surface of a coal pile is prepared from raw materials with the following weights:
[0052] Soy protein isolate: 1g,
[0053] Sodium carboxymethyl cellulose (molecular weight 800-1200): 0.2g,
[0054] Sodium dodecylbenzene sulfonate: 0.2g,
[0055] 30% sodium methyl silicate: 1.67g, containing sodium methyl silicate: 0.5g,
[0056] Water: Make up to 100g.
[0057] The preparation method of the above-mentioned water-resistant covering agent for the surface of coal pile includes the following steps:
[0058] (1) Add 1g of soybean protein isolate, 0.2g sodium carboxymethyl cellulose, 0.2g sodium dodecylbenzene sulfonate and 70g water into the reaction kettle, stir and heat to 60°C, react for half an hour to obtain a mixed solution;
[0059] (2) After cooling the mixed solution completely, add 1.67g of 30% sodium methyl silicate aqueous solution (model 3010 sodium methyl silicate), and add water to make up the...
Example Embodiment
[0064] Example 3
[0065] In this embodiment, a water-resistant covering agent for the surface of a coal pile is prepared from raw materials with the following weights:
[0066] Soy protein isolate: 0.1g,
[0067] Sodium carboxymethyl cellulose (molecular weight 800-1200): 0.1g,
[0068] Sodium dodecyl sulfonate: 0.1g,
[0069] 30% sodium methyl silicate: 1.67g, containing sodium methyl silicate: 0.5g,
[0070] Water: Make up to 100g.
[0071] The preparation method of the above-mentioned water-resistant covering agent for the surface of coal pile includes the following steps:
[0072] (1) Add 0.1g soy protein isolate, 0.1g sodium carboxymethylcellulose, 0.1g sodium dodecyl sulfonate and 70g water into the reaction kettle, stir and heat to 60°C, react for half an hour to obtain a mixed solution;
[0073] (2) After cooling the mixture completely, add 1.67g of 30% sodium methyl silicate aqueous solution (3010 sodium methyl silicate), and add water to make up the solution to 100g, stir well, a...
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