The Improvement of Vertical Roller Mill for Cement Processing
The
vertical roller mill in cement production process is one of important equipment and materials after high grinding fineness of powder, as a mixed crowd can improve performance of cement. However, using superfine mill grinding process can also some problems such as temperature, particle size decreases, need further improvement.
Firstly, temperature rise is the problems of most of the mechanical equipment in the process of grinding cement This problem may lead to NianYeZhi or contain polysaccharide composition of cement wall sticking phenomenon during crushing, influence the stability of the cement composition.
Second, cement after
vertical roller mill technology, due to the decrease of the particle size is easy to cause surface can increase, make the particles in a state of flux, liquidity is poor, easy to gather to form larger particles; Wettability increased, easy absorption of moisture; Adsorption increases, the easy adsorption of impurities in the air. These are not conducive to the preparation of micro powder cement, preservation, transportation.
To this end, the future, we should strengthen research and development in the following areas. The first is to improve the surface of the cement powder processing and packaging technology; To explore the relationship between grain size and extraction yield. Screening of the superfine grinding technology conditions, etc. Second, ultrafine powder processing equipment should pay attention to in the development and improvement in clinical application. Understand the powder fineness and the clinical curative effect, the relationship between cement powder processing more targeted, is conducive to standardize the market for powder processing equipment industry.
In addition, the cement after micronization, utilization rate of active ingredients in improving at the same time, the role of the corresponding toxic ingredients will also increase, so should be safety testing and find new attenuated measures.
vertical roller mill in cement production process, some aspects has exceeded the ball mill, become indispensable equipment for the production of cement in the future.