The design of Rotary Kiln shall abide by the followings:To ensure the specifications of the Rotary Kiln, you should take the burning system output into consideration , some essential aspects such as  fuel conditions ,preheater, calciner and the Cooling machine configuration;The length-diameter ratio between preheat devices and Pre decompose rotary kiln will be 11-16.The gradient of the preheater rotary kiln and pre-coated decompose should be 3.5%-4%. As for the maximum speed ,the Pre decomposition rotary kiln appropriate to 3.0-3.5 r/min:, the preheater rotary kiln appropriate to 2.0-2.5 r/min .The speed adjustable range shall be 1~10.The cooling measures of clinkering zone in Rotary kiln should be equiped with forced air cooling;The clinkering zone in Rotary kiln should have the shell temperature testing measures.The main motor of Rotary kiln should adopt stepless speed-adjusting electromotor. And install auxiliary transmission , Auxiliary transmission should have sub-power. The driving machines should have emergency power supply.Henan zhengkuang mining Machinery Co., Ltd is committed to developing the latest technology of rotary kiln, and the rotary kiln warmly welcomes friends all over the world.If you have any interesting with our rotary kiln products, please telephone us:0086-0371-55902866 or leave us a message: info@zkcorp.com and the rotary kiln professional technological staff will serve you all day long.