| 摘要 |
PURPOSE: A dry kiln is provided to protect the emission of the internal heat source of the main dry kiln body by forming the heating insulating layer and inner shell. CONSTITUTION: A dry kiln comprises a main dry kiln body(H). The main kiln body comprises front and rear wall bodies(3, 4), an outer shell(9), and an inner shell(10). The input chute(5) and burner(6) are installed in the front wall. The rear wall has a discharging port(7) which discharges the dried and crushed material and an exhaust port(8) which discharges the gas and steam vapor. The outer shell comprises a warm layer(13), first and second warm layers(11, 12). The expansion blades which have an extension function are installed in the inner shell.
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