A commercial processing method for environment-friendly nano-scale vat dyes
A processing method and nano-level technology, applied in chemical instruments and methods, anthracene dyes, organic dyes, etc., can solve the problems of small particle size of dyes, poor environment, flying materials, etc., achieve uniform particle size, increase specific surface area, The effect of quality improvement
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Embodiment 1
[0031] A commercial processing method of an environment-friendly nano-scale vat dye, comprising the following steps:
[0032] a. 150kg of reduced olive green B, 150kg of sodium lignosulfonate, and 90kg of water are added to the dispersing kettle, and the material is pulverized into a slurry suspension with a particle size of about 10 microns by high-speed rotary cutting;
[0033] b. Add the above-mentioned slurry suspended matter into the liquid fine crusher for ultra-fine crushing, finely crush the material to a uniform suspension slurry with a diameter of about 5 microns, and heat the slurry to 60°C at a rate of 20L / min The amount of material is poured into a sand mill, and the quality of zirconia is 817kg, and it is finely ground to obtain primary dyes;
[0034] c. the above-mentioned primary fuel is firstly filtered through a 13000-mesh sieve, followed by a second-stage filter through a filter equipped with a 15000-mesh filter cloth, and finally a third-stage filter is car...
Embodiment 2
[0038] A commercial processing method of an environment-friendly nano-scale vat dye, comprising the following steps:
[0039] a. Add 150kg vat blue RSN, 150kg sodium lignosulfonate, and 94kg water into the dispersion kettle, and grind the material into a slurry suspension with a particle size of about 18 microns by high-speed rotary cutting;
[0040] b. Add the above-mentioned slurry suspended matter into a liquid fine crusher for ultra-fine crushing, and finely crush the material into a uniform suspension slurry with a diameter of 5-10 microns. The amount of feed is poured into a sand mill, and the quality of zirconia is 817kg, and it is finely ground to obtain primary dyes;
[0041] c. The primary fuel is firstly filtered through a 12,000-mesh sieve, then subjected to a second-stage filter through a filter equipped with a 13,000-mesh filter cloth, and finally tertiary-filtered using a 100-nanometer filter element to obtain a nanoscale vat dye;
[0042] d. Spray granulation:...
Embodiment 3
[0045] A commercial processing method of an environment-friendly nano-scale vat dye, comprising the following steps:
[0046] a. Add 150kg vat blue RSN, 150kg sodium lignosulfonate, and 105kg water into the dispersing kettle, and grind the material into a slurry suspension with a particle size of about 30 microns by high-speed rotary cutting;
[0047] b. Add the above-mentioned slurry suspended matter into the liquid fine crusher for ultra-fine crushing, finely crush the material into a uniform suspension slurry with a diameter of 5-10 microns, and pour the slurry into the liquid at a feed rate of 30L / min In the sand mill, the mass of zirconia is 817kg, which is finely ground to obtain primary dyes;
[0048] c. the primary fuel is firstly filtered through a 10,000-mesh sieve, then subjected to a second-stage filter through a filter equipped with a 13,000-mesh filter cloth, and finally tertiary-filtered using a 30-nanometer filter element to obtain a nanoscale vat dye;
[0049] ...
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