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In the raw meal preparation link of cement production, the precision of material classification directly affects the subsequent sintering quality and energy consumption. In recent years, cement classifying equipment has been accelerating its iteration towards the direction of "high precision and high stability". Domestic equipment enterprises have developed a new generation of high-efficiency eddy current classifying equipment based on the characteristics of cement raw meal. By optimizing the structure of the classifying wheel and the design of the air flow field, it realizes the precise separation of particles with different particle sizes in the raw meal.
Compared with traditional classifying equipment, the control precision of the new classifying equipment for the 0.08mm sieve residue in raw meal has been improved to ±0.5%, and the classification efficiency has increased by 25%. This effectively reduces the problem of increased sintering energy consumption caused by coarse particles entering the rotary kiln. After a large cement group applied this equipment, the homogenization effect of raw meal was significantly improved, the heat consumption of the rotary kiln was reduced by 8kg standard coal per ton of cement, and the production cost was reduced by more than 10 million yuan annually. Industry experts said that with the cement industry's pursuit of low-carbon production, classifying equipment will further integrate intelligent detection technology to realize real-time regulation of raw meal particle size, providing key support for improving quality and reducing costs in cement production.
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