primary combustion air

基本解释

Firstly, it briefly analyses the influence of primary air velocity for the combustion safety in boiler and makes the requirement analysis for the system.
本文首先简要的分析了一次风速的大小对锅炉燃烧安全性的影响并对系统做了需求分析；
A new type dual complex turbulent combustion method of primary and secondary air is put forward, and its effective action on combustion process is analyzed.
提出了一种新型的一、二次风双重复合旋流燃烧的方法，并且分析了其对燃烧过程的有效作用。
The design concept for stabilizing pulverized coal combustion technology by counter offsetting primary air and coal streams for T fired boilers was first presented and analysised in this paper.
本文首次提出并分析了四角切向燃烧锅炉煤粉射流逆向稳燃技术的设计思想。