Method for preparing industrial oil
A preparation process and technology of industrial oil, which is applied in the field of industrial oil preparation technology, can solve the problems of rough surface, easy to adhere to dust, serious ash hanging and other problems of real stone paint spraying, so as to achieve simple and convenient processing process and avoid becoming industrial waste residue and product good quality effect
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[0013] (1) Preparation of dehydrated mineral oil: Put the mineral oil through the mineral oil filter to remove impurities, enter the plate steam heater, heat to 75°C, add 55% phosphoric acid and mix it, send it to the acid reaction tank, stay for 33 minutes, and then transport it to the plate steam heater. Cool the water cooler to 75°C, add dilute lye, mix and enter the neutralization reaction tank, stay for 125 minutes, enter the centrifuge for separation, and the separated oil enters the vacuum dryer for dehydration to obtain dehydrated mineral oil.
[0014] (2) Preparation of mixture liquid A: put 14 parts of aluminum silicate, 3 parts of thickener, 1 part of whitening agent, 53 parts of water, 3 parts of titanium dioxide, and 1 part of propylene glycol into a mixer and stir for 38 minutes to obtain Mixture A.
[0015] (3) Filtration: use a closed filter and a bag filter to filter the mixture liquid A twice.
[0016] In the present embodiment, the concentration of the dilu...
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