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Characteristics of blast furnace gas burner, also known as blast furnace gas burner

Characteristics of blast furnace gas burner, also known as blast furnace gas burner
In view of the characteristics of low calorific value, difficult ignition, easy de ignition and slow reaction speed of blast furnace gas, the designed and manufactured blast furnace gas burner uses three-stage combustion mode to burn in three stages, that is, first ignite high calorific value fuels (such as natural gas and liquefied gas) and ignite a part of gas (i.e. auxiliary gas) as a normal open fire to stabilize combustion before igniting the main gas. A heat-resistant stable combustion chamber is arranged inside the burner. The gas and air are mixed in the annular gap with swirling blades and then ejected for combustion, ensuring the combustion stability and sufficiency.
Basic principle of solid fuel gasification reaction
When the fixed bed gas generator is used to manufacture gas, firstly, the air passes through the fuel layer, and the carbon and oxygen have a cooling reaction to increase the temperature. Then the steam and air are mixed through the fuel layer, and the carbon, steam and oxygen are subjected to the mixed reaction of absorption and discharge to generate the producer gas. From the chemical reaction principle in the gas generation stage, it is hoped that conditions conducive to steam decomposition and carbon dioxide reduction reaction can be formed. Therefore, it can be considered that it is beneficial to increase the thickness and temperature of the gasification layer, and it is also beneficial to appropriately reduce the flow rate of steam. In the chemical reaction between carbon and steam, measures such as increasing the thickness of the gasification layer and reducing the gas flow speed can speed up the reaction, increase the carbon monoxide content and improve the steam decomposition rate.