Method for rapid wet ball milling of electrical porcelain raw materials

Abstract

The invention relates to a method for rapid wet ball milling of electrical porcelain raw materials, and belongs to the field of high-strength silicate material manufacture. The method provided by the invention is characterized in that a ball mill medium comprises 45 to 95% of Al2O3 and 80 to 98% of SiO2; the Moh's hardness is in a range of 8 to 9.5; the ball size fai is in a range of 15 to 50 millimeters; balls are spherical and elliptic; a ball mill inner liner comprises tiles having Al2O3 content of 50 to 95%; a ratio of raw materials to water to the balls is 1: (0.55 to 0.95): (1.8 to 2.5); and a ball-mill rotating speed is 25 to 28r / min. The optimized method provided by the invention has the advantages that economic benefits are high; ball-milling time is reduced; an annual production amount is improved by 27180 tons; annually consumed electric power is 926000 kilowatt-hours, wherein electric power consumed in ball milling of a ton of the raw materials is reduced to 33.3 kilowatt-hours from 107.42 kilowatt-hours so that an electric power consumption amount of the method provided by the invention is one third of that of the prior art; and because of change of raw materials of the ball mill inner liner and the balls, equipment overhaul time and a risk caused by raw material component change are reduced and product quality is further improved.

Description

technical field [0001] The invention relates to a method for rapid wet ball milling of electric porcelain raw materials, which belongs to the field of silicate high-strength material manufacturing. technical background [0002] With the rapid development of the electric power industry at home and abroad, various ultra-high voltage power transmission and transformation equipment require a large number of large creepage high-strength high-voltage electric porcelain, and the electric porcelain industry is a high energy consumption and heavy pollution industry. In today's society, energy conservation and emission reduction are advocated. , Under the premise of "low-carbon" life, optimizing and innovating the ball milling process, an important process in the production of electric porcelain, can not only bring benefits to the enterprise, but more importantly, create greater social benefits. In the production process of most electric porcelain and ceramic industries in China, in o...

AI Technical Summary

Problems solved by technology

If there are too many balls, it is necessary to reduce the loading of raw materials, which will affect the production capacity

[0007] 3. The influence of the inner lining of the ball mill

The inner lining of the ball mill is mainly to protect the mill and prevent the wear of the cylinder body. The ordinary silica lining was originally used, which has low strength, large wear, and short service time, resulting in frequent replacement and affecting production.