The high heat efficiency of lignite dryer is desirable

Lignite mining is not totally without risk. As lignite mines are excavated, there is risk that the tall, sloped earthen walls could collapse after a heavy rain. Such incidents are extremely rare, in part because the industry has developed constant monitoring systems to alert authorities when weather could affecting mining conditions. The most common accidents in lignite mining are associated with the maintenance and operation of the heavy equipment required to dig and haul the coal.

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To improve the thermal efficiency not only can improve the yield of lignite dryer, but also can reduce the production cost. Daswell Machinery through constant explore concludes several methods to improve the thermal efficiency of lignite dryer:

1. Select the appropriate heat source device. Daswell lignite rotary dreyr adopts automatic device in the heat source, which can reduce the unnecessary heat loss by manual operation.

2. Between the two ends of the cylinder and the cylinder adopt thin stainless steel plate for sealing. This sealing method is a kind of new type sealing device, with the advantages of high temperature resistant, sound proof and air proof water well drilling rig, which greatly improve the thermal efficiency of lignite dryer.

3. According to the moisture content of materials to choose the appropriate hot-blast temperature and blower air volume, reducing the heat loss.

4. Choose suitable roller structure and rotation speed, thus make the materials uniformedly distribute inside the lignite dryer, and reduce the heat loss.

5. Intensify the patrol to the lignite dryer, reduce and eliminate the leakage phenomenon.

Environmental equipment and controls are also in place to protect land, air and water. Any remaining sulfur dioxide and particulates are removed from the stack gases to meet or surpass state and federal air quality standards.