Advantages of lime rotary kiln equipment

Limestone, also known as lime, is a raw material used in construction, chemical and other industries. Before becoming a finished product, it needs to be crushed by the grinding equipment, and then enter the rotary kiln for calcination. The calcination of lime in rotary kiln is the most important part. The following is about the advantages of lime rotary kiln. 1. Vertical preheater and cooler ensure effective calcination of raw materials. At the end of the lime rotary kiln installed a vertical preheater. In this way, the waste heat of the kiln exhaust can be directly transmitted to the limestone. The temperature of the flue gas reaches below 280° C., effectively recovering the heat taken by the exhaust gas, and also reducing the load for subsequent dedusting; Kiln head discharge cooling uses a vertical cooler instead of the original cooling cartridge to avoid the sensible heat loss of lime. The hot lime falling from the kiln head is cooled by heat exchange with the secondary air blown in. After the temperature of air absorption heat rises, it enters the rotary kiln for combustion. 2. Small occupation area and high sealing performance. The length-diameter ratio of lime rotary kiln is reduced from traditional 20-25 to 14-15. The reduction in length not only reduces the loss of heat from the lime rotary kiln, but also reduces the occupation area of the equipment. In addition, an integrated vertical design is adopted in the cooler and kiln hood of the quicklime rotary kiln, also reduce the occupation area; Good sealing, avoiding the fugitive emissions of hot exhaust gas. The calcined tail gas is dusted by a pulse bag filter, meet the national emission standards. Lime powder flying was reduced in the workplace and played an environmentally friendly role. 3. High degree of automation in the lime rotary kiln process. Lime rotary kiln calcining can be based on the customer's requirements and the nature of limestone to choose the process. The operation, adjustment, control and alarm of the equipment all adopt centralized control of automatic control. The monitoring screens are set up everywhere, and the parameters in the production process are automatically recorded, which has a high degree of automation and saves labor costs.