Why is Dryer Machine Indispensable in Cement Industry?

Why is Dryer Machine Indispensable in Cement Industry?

With the constant development of cement production towards large scale and high efficiency, roller dryer and rotary dryer offers an ideal drying machine for the drying of raw materials and fuel relying on its advantages of compact structure, small floor space, high heat efficiency, lower investment, strong adaptability and reliable operation.

In the cement industry, when dry process is adopted for production, all the materials containing water such as raw material, coal and admixture need to be dried. When wet process is adopted for production, coal and admixture also need to be dried, to ensure the normal process of the powder grinding work. The moisture of the materials that are fed into the grinding mill has great influence on the output of the grinding mill, the quality of the discharged materials and the operation of the grinding mill. If the materials to be fed into the grinding mill contains a lot water and the moisture content inside the grinding mill is high, the fine particles will stick onto the grinding media, lining board and partition boards, which will lower the powder grinding efficiency. In addition, the high water content of the materials will worsen the powder grinding condition and bring difficulty to the operation and quality control. What is more, the mix proportion of the materials to be fed into the grinding mill will change with the fluctuation of the water content, and the quality of the discharged final products will be influenced. For this reason, the drying procedure of eliminating the excess water containing in the materials is an indispensable and important link in the cement production.

The common drying machines used in the cement plants include rotary type, suspension type, boiling type and gravity type and SBM rotary dryer is the most commonly used. This drying equipment has low drying efficiency and high investment, but has strong adaptability on the materials and simple and reliable operation, it is widely adopted.

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