A kind of coal-water slurry additive and preparation method thereof
An additive and coal-water-slurry technology, applied in the field of coal-water-slurry additives, can solve the problems of poor coal and process adaptability, unsatisfactory slurry effect, restricting coal-water-slurry technology, etc., and achieves improved atomization combustion performance, excellent dispersion The effect, the preparation method is simple and easy to operate
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Embodiment 1
[0031] A coal-water slurry additive, which is made of the following raw materials in parts by weight: 5 parts of carboxyl-modified ionic triazole nano-microspheres, 5 parts of sulfobutyl β-cyclodextrin sodium, modified sorbyl trioleate 10 parts of ester, 1 part of lauryl ether sulfate, 30 parts of water.
[0032] The preparation method of the carboxyl-modified ionic triazole nano-microspheres comprises the following steps:
[0033] Step S1 Preparation of triazole nanospheres: 10 g of 1-vinyl-1,2,4-triazole, 20 g of poly(ethylene glycol) phenyl ether acrylic acid, 10 g of itaconic acid and azobisisobutyronitrile Add 0.4 g to 400 g of chloroform, heat and reflux at 80°C in a nitrogen atmosphere, and after precipitation polymerization for 3 hours, wash the product with ethanol centrifugation for 3 times, and then dry it in a vacuum oven at 80°C for 12 hours to obtain imidazole nanoparticles Microspheres;
[0034] Step S2 Ionization of triazole nanospheres: add 10 g of triazole ...
Embodiment 2
[0040] A coal-water slurry additive, which is made of the following raw materials in parts by weight: 7 parts of carboxyl-modified ionic triazole nano-microspheres, 7 parts of sulfobutyl β-cyclodextrin sodium, modified sorbic acid trioleate 11 parts of ester, 2 parts of lauryl ether sulfate, 33 parts of water.
[0041] The preparation method of the carboxyl-modified ionic triazole nano-microspheres comprises the following steps:
[0042] Step S1 Preparation of triazole nanospheres: 10 g of 1-vinyl-1,2,4-triazole, 23 g of poly(ethylene glycol) phenyl ether acrylic acid, 10 g of itaconic acid and azobisisoheptanonitrile Add 0.45 g to 450 g of acetonitrile, heat and reflux at 82 °C in a helium atmosphere, and after precipitation polymerization for 3.5 hours, wash the product with ethanol centrifugation for 4 times, and then dry it in a vacuum oven at 83 °C for 13 hours to obtain imidazole nanospheres;
[0043] Step S2 Ionization of triazole nanospheres: add 10 g of triazole nanos...
Embodiment 3
[0049] A coal water slurry additive, which is made of the following raw materials in parts by weight: 8 parts of carboxyl-modified ionic triazole nano-microspheres, 8 parts of sulfobutyl β-cyclodextrin sodium, modified sorbic acid trioleate 13 parts of ester, 3 parts of laureth sulfate, 35 parts of water.
[0050] The preparation method of the carboxyl-modified ionic triazole nano-microspheres comprises the following steps:
[0051] Step S1 Preparation of triazole nanospheres: 10 g of 1-vinyl-1,2,4-triazole, 25 g of poly(ethylene glycol) phenyl ether acrylic acid, 10 g of itaconic acid and azobisisobutyronitrile Add 0.5 g to 500 g of ether, heat and reflux at 85°C in a neon atmosphere, undergo precipitation polymerization for 4 hours, then centrifuge and wash the product with ethanol for 4 times, and then dry it in a vacuum oven at 85°C for 13 hours to obtain imidazole nanospheres;
[0052] Step S2 Ionization of triazole nanospheres: add 10 g of triazole nanospheres and 30 g...
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