This paper explained the design of nozzles, injectors and burner cones of new ignition with producer gas on forced pre-mixing and the method of flame stability.

根据发生炉煤气的特性，采用强制预混燃烧方式，设计了点火器的喷嘴、引射器及烧嘴，并对稳定火焰的方法也进行了研究。

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This product is suitable for large-scale feeding factories, pre-mixing feeding factories, farms and gardens. Additionally, products for overseas selling are suitable to drink animals.

本品适用于大型饲料厂、预混料厂、大型养殖场，外销产品可饮水使用。

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In water jet cutting(WJC) devices, the cutting medium are many kinds of abrasives. There are two types of abrasive mixing methods widely used in present WJC devices: post-mixing and pre-mixing.

前言： 在磨料水射流切割设备中，磨料其主要工作介质，磨料与水的混合方式主要有前混合和后混合两种。

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