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Rotary kiln is a machine whose working temperature can reach the temperature to calcine superfine kaolin. At present the rotary kiln technology in our country is mature and advanced, which represents the development direction of calcination technology of superfine kaolin. This calcinations technology has low energy consumption and high output, and after dehydration and decarburization and whitening, the products have stable performance and can be used in such industrial fields as paper making and coating.There are different production methods and different types of rotary kilns in the development of cement industry. According to the method of the preparation of raw materials can be divided into dry process and wet process, and in line with production methods can be divided into dry process rotary kiln and wet process rotary kiln. Because different heating exchange devices in the kiln and kiln tail, they also can be divided into different kilns. The classification of the rotary calcining kiln is roughly as follows:1. the dry process rotary kiln:Compared dry type rotary kiln with the wet rotary kiln, their advantages and disadvantages are completely contrary. Dry process is changing the raw materials into dry powder with the moisture content is less than 1%, so it reduces the required heat for water evaporation comparing with wet process. Due to the high exhaust gas temperature of hollow kiln, so heat loss is not low. Dry process production made the raw materials into dry power, its liquidity is worse than mud. So the mixture of raw materials is not good, and the composition is uneven.2. the wet type rotary kiln:Using wet process for cement production is called wet type kiln, and wet process is made the raw materials into slurry with moisture content is 32% ~ 40%. Due to prepare yielding slurry, so each raw materials should mix well to guarantee the raw material ingredients well-distributed, so that make burnt chamotte with high quality. This is the main advantage of wet process.If you are interested in circumgyrate kiln, you can contact or visit Hongxing Machinery: sales@hxjq.com.ore rotary kiln: http://www.ball-mill-china.com/products/rotary_kiln.html