Overview:White carbon black material introductionWhite carbon black is a general term for white powdery X-ray amorphous silicic acid and silicate products. It mainly refers to precipitated silica, fumed silica, ultrafine silica gel and aerogel, and also includ…
White carbon black material introduction
White carbon black is a general term for white powdery X-ray amorphous silicic acid and silicate products. It mainly refers to precipitated silica, fumed silica, ultrafine silica gel and aerogel, and also includes powder. Synthetic aluminum silicate and calcium silicate. White carbon black is a porous substance whose composition can be expressed by SiO2 · nH2O, where nH2O exists in the form of surface hydroxyl groups. Soluble in caustic and hydrofluoric acid, insoluble in water, solvents and acids (except hydrofluoric acid). High temperature resistance, non-flammable, tasteless, odorless, and has good electrical insulation.
The hot air enters the agitating, crushing and drying chamber from the bottom of the dryer through the inlet pipe at a suitable spraying speed, which produces strong shearing, blowing and rotating effects on the material, so the material is micronized by centrifugation, shearing, collision and friction. , Strengthened mass and heat transfer. At the bottom of the dryer, larger and wet granules are mechanically broken under the action of the agitator, and particles with lower moisture content and smaller granularity are entrained by the rotating airflow to rise, and are further dried during the ascent process. Due to the gas-solid two-phase rotating flow. The inertia of the solid phase is greater than that of the gas phase, and the relative velocity between the two phases of the solid phase is greater, which strengthens the mass and heat transfer between the two phases. So the machine has high production intensity.