结合某热源厂受煤坑返煤地道供热通风设计实例，阐述了一些地道供热通风设备的设计选型方法，并论述了返煤地道供热通风设计中的注意事项，解决了返煤地道供热通风设计中防火阀、防爆暖风机等设备设计选型中遇到的一些常见问题。%Combining with the design example of heating ventilation design of coal pit coal tunnel back of a heat plant,this paper elaborated the design and type selection method of some authentic heating and ventilation equipment,and discussed the matters needing attention in coal tunnel back heating and ventilation design,solved some common problems encountered in fire fighting valve,explosion-proof heater and other equipment type selection in coal tunnel back heating and ventilation design.
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