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我矿原有的圆筒干燥机(φ1200×3400毫米)是苏联制造的,驱动及通风用的电动机4台,容量共13.5千瓦;每班消耗木柴1.0～1.5吨;工人劳动强度大,作业环境差。我们自制了一台电热干燥机,处理能力1.0～1.3(吨/时),电耗35(度/吨矿)。电热干燥机的圆筒由壁厚36毫米的钢管制造,其尺寸为φ350×3000毫米,内壁焊有8～10块纵向抄板。它置于电热箱内并由4.5千瓦的电动机驱动,圆筒倾斜2°,每分钟27转。
The mine’s original cylindrical dryer (φ1200 × 3400 mm) is made in the Soviet Union with 4 motors for driving and ventilating, with a total capacity of 13.5 kilowatts and a consumption of 1.0 to 1.5 tons of firewood per class. The workers are labor-intensive and work environment difference. We made a self-heating dryer, the processing capacity of 1.0 to 1.3 (tons / hour), power consumption 35 (degrees / ton mine). The drum of the electric drier is made of steel pipe with a wall thickness of 36 mm and has a size of φ350 × 3000 mm and 8 to 10 longitudinal copy plates welded to the inner wall. It is housed in an electric heating box and driven by a 4.5-kW electric motor, with the cylinder tilted 2 ° at 27 revolutions per minute.