Efficient grinding method for white carbon black production

Abstract

The invention discloses an efficient grinding method based on white carbon black production, and belongs to the field of white carbon black production.According to the efficient grinding method based on white carbon black production, during grinding work, an electric grinding block rotates to drive a sliding friction rod to generate sliding friction heat, so that the grinding efficiency is improved; meanwhile, an exhaust fan rotates to suck dust in the grinding groove into a communicating pipeline, the water solution makes contact with the dust floating in the communicating pipeline and is adsorbed, and therefore the dust floating in the air is gathered at the inner bottom end of the communicating pipeline along with falling of the water solution; according to the device, the number of suspended dust in air is reduced, white carbon black dust is not prone to being inhaled by workers, the safety of grinding work is improved, meanwhile, part of falling water solution drips on the surface of the sponge block, the sponge block has a certain filtering effect after absorbing water, and therefore the dust removal and filtering effect of the device is further improved.

Description

technical field [0001] The invention relates to the field of white carbon black production, more specifically, relates to a high-efficiency grinding method based on white carbon black production. Background technique [0002] White carbon black is the general term for white powder X-ray amorphous silicic acid and silicate products, mainly refers to precipitated silica, fumed silica and ultrafine silica gel, and also includes powdered synthetic silicic acid Aluminum and calcium silicate, etc., white carbon black is a porous substance, soluble in caustic alkali and hydrofluoric acid, insoluble in water, solvents and acids (except hydrofluoric acid), high temperature resistant, non-combustible, tasteless, odorless, with Good electrical insulation. According to the production method, silica is roughly divided into precipitation silica and fumed silica. Under normal conditions, fumed silica is white amorphous flocculent translucent solid colloidal nanoparticles (particles) The d...

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Problems solved by technology

[0002] White carbon black is the general term for white powder X-ray amorphous silicic acid and silicate products, mainly refers to precipitated silica, fumed silica and ultrafine silica gel, and also includes powdered synthetic silicic acid Aluminum and calcium silicate, etc., white carbon black is a porous substance, soluble in caustic alkali and hydrofluoric acid, insoluble in water, solvents and acids (except hydrofluoric acid), high temperature resistant, non-combustible, tasteless, odorless, with Good electrical insulation. According to the production method, silica is roughly divided into precipitation silica and fumed silica. Under normal conditions, fumed silica is white amorphous flocculent translucent solid colloidal nanoparticles (particles) The diameter is less than 100nm), non-toxic, and has a huge specific surface area. The fumed silica is all nano-silica, the product purity can reach 99%, and the particle size can reach 10-20nm, but the preparation process is complex and expensive

[0003] Most of the production of white carbon black uses the precipitation method, also known as the sodium silicate acidification method. The water glass solution is reacted with acid, and the white carbon black is obtained through precipitation, filtration, washing, drying and calcination, and the white carbon black is produced During the process, the silica powder needs to be ground, and the silica may produce a large amount of dust floating in the air during the grinding process, and the staff may inhale the dust, which will cause damage to the staff's body

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