Commonly known as the rotary kiln, the rotary calcining kiln is also called the lime rotary kiln, belonging to construction equipment. According to the different materials, the kiln can be divided into cement kiln, metallurgy chemical kiln and lime kiln. Henan Hongxing Mining Machinery Co., Ltd. from practical experience in the maintenance of rotary kiln, to ensure the rotary kiln equipment long-term efficient operation, properly adjust the kiln body, thrust roller is one of the key factors.