Coal flow dust suppressant as well as preparation method and application thereof
A technology of dust suppressant and coal flow, applied in the field of coal flow dust suppressant and its preparation, which can solve the problems of short dust suppression speed and the like
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Embodiment 1
[0030] The disclosed coal flow dust suppressant of present embodiment 1 comprises the raw material of following weight portion:
[0031] 2.0 parts of starch grafted acrylic acid polymer;
[0032] 0.03 parts of sodium lauryl sulfate;
[0033] 100 parts of water.
[0034] The preparation method of the dust suppressant of above-mentioned embodiment 1, comprises the steps:
[0035] Get 2.0 parts of starch-grafted acrylic acid polymer, 0.03 part of sodium lauryl sulfate and 100 parts of water in parts by weight, add starch-grafted acrylic acid polymer and sodium lauryl sulfate in a container equipped with a mechanical stirrer Stir well with water and completely dissolve to obtain the finished dust suppressant.
Embodiment 2
[0037] The disclosed coal flow dust suppressant of present embodiment 2 comprises the raw material of following weight portion:
[0038] 1.0 parts of starch grafted acrylic acid polymer;
[0039] 0.02 parts of sodium lauryl sulfate;
[0040] 100 parts of water.
[0041] The preparation method of the dust suppressant of above-mentioned embodiment 2, comprises the steps:
[0042] Get 1.0 parts of starch-grafted acrylic acid polymer, 0.02 part of sodium lauryl sulfate and 100 parts of water in parts by weight, and add starch-grafted acrylic acid polymer and sodium lauryl sulfate in a container equipped with a mechanical stirrer Stir well with water and completely dissolve to obtain the finished dust suppressant.
[0043] Further, the preparation method of starch grafted acrylic acid polymer is as follows:
[0044] S101: gelatinizing starch to obtain gelatinized starch;
[0045] S102: Mix and react the gelatinized starch, ammonium persulfate and acrylic acid solution to obtai...
Embodiment 3
[0048] The disclosed coal flow dust suppressant of present embodiment 3 comprises the raw material of following weight portion:
[0049] 3.0 parts of starch grafted acrylic acid polymer;
[0050] 0.05 parts of sodium lauryl sulfate;
[0051] 100 parts of water.
[0052] The preparation method of the dust suppressant of above-mentioned embodiment 3, comprises the steps:
[0053]Get 3.0 parts of starch-grafted acrylic acid polymer, 0.05 part of sodium lauryl sulfate and 100 parts of water in parts by weight, add starch-grafted acrylic acid polymer and sodium lauryl sulfate in a container equipped with a mechanical stirrer Stir well with water and completely dissolve to obtain the finished dust suppressant.
[0054] Further, the preparation method of starch-grafted acrylic acid polymer is specifically:
[0055] Add 4g of starch and distilled water into a 250mL flask equipped with a stirrer, condenser and thermometer, stir and gelatinize at a constant temperature at 80°C for 3...
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Abstract
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