燃料气的流动速度 燃料气的流动速度与火焰的长短有密切关系，在外混式燃烧器中，燃料气流速过大，会引起脱火；在半预混燃烧器中，燃料气流速过小会引起回火。
There is a close relatihip between the flow velocity and flow velocity of flame fuel gas fuel gas in the length of the outer mixing burner, fuel gas flow rate is too large, will cause the removal of fire; in the semi premixed burner, fuel gas flow rate is too ***all will cause tempering.
蓄热式加热炉是通过炉内热交换过程进行的，蓄热式加热炉的炉内热交换过程有三种基本方式，即：对流传热、传导传热、辐射传热。
The regenerative reheating furnace is carried out through the process of heat exchange in the furnace. There are three basic ways in the heat exchange process of the regenerative heating furnace, namely, convection heat transfer, conduction and heat transfer, and radiation heat transfer.
台车式加热炉的组成包括加热炉本体和余热回收系统。余热回收系统中有一个空气预热器,空气预热器是又由非冷凝式空气预热器和冷凝式空气预热器两段组成。
The trolley heating furnace cists of a heater body and a waste heat recovery system. There is an air preheater in the waste heat recovery system. The air preheater is of a non-condensing air preheater and a condensing air preheater.