The external heated singeing machine adopts the new type of double-slit radiant high-efficiency burner to heat the roller, fabrics pass through the hot surface of the roller for contact singeing.

外热式圆筒烧毛机采用新型双狭缝辐射式高效火口加热圆筒，使织物经过灼热的圆筒表面进行接触式烧毛。

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Experiments show that a new-type pulverized coal burner with a slit bluff-body designed on the said principle is suitable for the ignition and flame stability of low volatile pulverized coal.

实验证明，根据这一原则设计的开缝纯体燃烧器对低挥发分煤粉的着火与火焰稳定具有较好的适应性。

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