Through actual production experience, we can know that the performance of the cement produced by the final grinding system of the roller crusher has great discrepancies compared with that produced by the ball mill system, and the cement cannot completely conform to the requirement of the cement performance standard. Next we will give a detailed analysis of this.The final grinding system of the roller crusher produced by Hongxing Machinery has succeeded in grinding limestone and slag and has been used in cement industrial material powder grinding system.
1. Performance defects of the cement produced by roller crusher.
The cement produced by roller crusher has three main defects, namely demanding more water, fast coagulation and decreasing of the strength in the early stage. There are two aspects of reasons. One is the physical reason, since the forms of the powder grinding forces on the cement aggregates, the content of the fine powders of the product, granularity configuration and the shape will be different, thus influencing the strength, water amount that needs and the time of coagulation. The other one is the chemical reason, that is to say, the increase of the hydration activity of C3A and the weakness of the delayed coagulation of the gypsum cause the abnormal coagulation and the increase of the water that needs.Henan Hongxing Mining Machinery Co., Ltd is the professional manufacturer of complete sets of mining machinery, for example,grinding mills，conveyor belt system Welcome all of you to visit our official website.mineral separating shaking table：http://www.crusher-machine.com/n137.html
2. Influences of the final power grinding on the performance of the cement and the improvement measures.
(1) Improve the fine powers in the final cement products produced by the final powder grinding system.
(2) Reduce the uniformity coefficient of the final products particle distribution.
(3) Improve the shape of the cement particle.
(4) The reason why the hydration activity of C3A increases lies in that the C3A is very easy to be pressed and ground so that the amount of fine powders increases, which leads to the abnormality of the time of coagulation and the increase of normal consistency needs.
(5) Dehydration of the gypsum in the cement produced by the final powder grinding system.Henan Hongxing Mining Machinery Co., Ltd is a joint-stock mining machinery manufacturing enterprise integrated in scientific research, production and marketing. It is located at the High & New Technology Industries Development Zone of Zhengzhou,China with an area of 50 thousand m2 which includes 15,000 m2 of standard heavy duty industrial workshop. Equipments are more than 160 pieces, including large and medium sized metal processing, riveting and installing equipments. There are more than 660 workers including 80 administrators with secondary and senior occupational titles and engineering technicians. In order to promote the competitive strength, the advanced technologies have been introduced from America, Germany, Japan and Australia, which established the international advanced production line, first-class modern testing base as well as research centers of sand maker, mill and mine-selecting equipment. Scientific management, advanced processing technology and innovative manufacturing theory make the company become the mining machinery manufacturing and exporting base in China.
Hongxing Company lays much emphasis on the quality and clients. We serve clients with the quality guideline of being responsible for every working procedure, every product and every client. What we have done is for the clients and we believe that quality is the best way to develop market. All of the products have passed the authentication of ISO9001. Hongxing Brand is the Chinese Famous Brand. Reliable and stable quality is the key to success; our products are well known at home and abroad. Now we have tens of thousands of users throughout China and more than 30 world markets, such as: South Africa, Middle East, India, Philippine, Western Europe, Southeastern Asia.
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