The advantage of briquetting over such pelletizing and sintering processes is that briquetting allows to obtain a product of strictly regulated dimensions, and no chemical transformations take place in the initial mixture during the briquetting process. In addition, this process is the most favorable from the point of view of sanitary requirements.
In 1981-1983, the industry laboratory of mechanization of labor-intensive work at mining enterprises LMI surveyed the operating conditions and modes of operation of production equipment from the point of view of safety at five basic enterprises of the non-metallic industry, representing mica, vermiculite and feldspar industry.
One of the most important places among the branches of the building materials industry is given to the production of facing products from natural stone. Enterprises of the Soviet Union per year extract and process about 200 thousand m3 of stone blocks ...
