Rotary kiln is a rotary calcining kiln (commonly known as lime rotary kiln), belongs to building material equipment class. Rotary kiln according to different processing materials can be divided into cement kiln, metallurgy chemical kiln and lime rotary kiln. Hongxing machine series rotary kiln according to production purposes can be divided into: ceramsite rotary kiln rotary kiln, chemical industry, metallurgy, active lime rotary kiln, rotary kiln, lime rotary kiln, etc. But are you familiar with technology features of lime rotary kiln?
Low lime rotary kiln of advanced structure, low pressure loss of vertical preheater can effectively improve the effect of preheating, limestone rotary kiln after preheating decomposition rate of 20-25%, and can be directly used to fine limestone in 10 to 15 mm; The ends of the rotary kiln that reliable combined-type low lime rotary kiln scales seal.Make use complex refractory air leakage coefficient is less than 10%, in order to reduce radiation loss; Filling type, low lime rotary kiln of partition ventilation, round or square upright cooler with lime of the cooler temperature is 800 c + environment temperature, easy to transport, storage, and into the kiln can be secondary air preheat to 700 ? above, reduce the moving parts and special material.
Contrary to that in the wet type production, the dry process rotary kiln makes raw materials into dry powder, with water content of less than 1%, thus reducing the heat needed for water evaporation. Hollow Type lime rotary Kiln has high consumption of heat because the exhaust flue gas is of high temperature. The fluidity of dry power is worse than that of the slurry.
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