介绍一种试验室用管式炉及其自动控温装置的设计方案。
To introduce a plan for designing tubular furnace for laboratory and its automatic temperature control unit.
试验室试验结果说明，对导热油进行再生和用导热油洗炉可降低成本，且再生油质量优于新油。
Experimental tests show that lower costs and better oil quality can be realized by regenerating heat conducting oil and flushing the heater with the heat conducting oil.
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