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本实用新型的点火装置由低温预热段及高温点火段组成。在预热段炉墙内设置空气预热器,把冷空气加热到200℃～300℃,然后引入点火段的烧咀进行点火。用此装置解决了以往用低热值煤气(包括高炉煤气)为燃料进行烧结点火时点火温度不
The ignition device of the utility model is composed of a low-temperature preheating section and a high-temperature ignition section. In the preheating section of the furnace wall set air preheater, the cold air heated to 200 ℃ ~ 300 ℃, and then introduced into the ignition section of the burning nozzle for ignition. With this device to solve the past with low calorific value gas (including blast furnace gas) as the fuel when the ignition ignition ignition temperature is not