primary air duct burner 风道燃烧器
preheat burner primary air fan 预热烧嘴一次风机
primary fan of kiln burner 窑的一次风机
In comparison with the conventional tangentially fired system, the horizontal bias burner and the twin circles of the primary air are two main improvements.
与传统的切圆燃烧系统相比，水平浓淡燃烧器和同层一次风双向切圆布置是该系统的主要改进之处。
The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained.
采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟，得出喷嘴位置与一次空气系数的关系。
The mixing point of primary air and secondary air of burner is a key parameter for the flame stabilization of fuel.
燃烧器一、二次风混合位置是燃烧着火稳燃的关键。
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