The new heat pipe type heating furnace with high efficiency based on heat pipe principle is consisted of the combustion chamber, evaporator and heat exchanger.
基于热管原理将燃烧室、蒸发器和换热器集于一体，构成了新型高效热管式加热炉。
2
The rotary film evaporator with heat-conducting oil furnace is a new kind key equipment for the production of sodium sulfide.