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In the production of compound fertilizer, cooler or cooling machine is used for cooling fertilizers with certain temperature and granular. Rotary drum cooler is often used with dryer, is good partner of dryer equipment. Cooling machine working with dryer can greatly improve the cooling rate, reduce labor intensity and improve yields, to further remove material moisture and reduce the temperature of compound fertilizer. Cooler or cooling machine also can be used for cooling other powdery and granular materials, and cooler has compact structure, high cooling efficiency, reliable performance, strong adaptability and other advantages.

Cooling Machine

Rotary drum cooler is mainly composed of the cylinder, the transmission device, the sealing device, the supporting wheels, water cooling equipment, etc. The masonry structure of refractory lining occupies about half of the cylinder, with the remaining fixed with spreading boards. The clinker will be raised up for many times and then evenly spread and it exchanges heat with the cooling air. Especially in low temperature zone, the inclination angle and the speed can be adjusted by improving the structure and distribution of the spreading boards to increase the contact with air and control the movement speed, making the heat have plenty of time to conduct to the surface, resulting into the sufficient recycle of the heat from the low temperature clinker.

One of the most popular coolers is the monocular cooler, which is often used for cooling clinker in 500-2000t/d production lines due to its low maintenance cost, small overall investment and high efficiency. In refractory materials industry, the cooling machine is widely used for cooling clay, magnesia and sintering clinkers like dolomite. The cylinder with high temperature (1000 ~ 1300℃) rotates with the tilted cylinder. The cooled materials move to the discharge port in a spiral, graded by the sieve mesh at the back, and then drop to the trough.

Besides cooling machine, Henan Hongxing Mining Machinery Co., Ltd. also produces other buidling material equipment: various rotary calcination kiln, raw material mill, coal mill, cement miller, and so on. If you are interested in these equipments, you can contact or visit Hongxing Machinery:

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