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Industrial Gas Burners

By Chemical Engineering |

Combustion in industrial burners is a critical operation in the chemical process industries (CPI) for supplying thermal energy for heat transfer, fluid heating, steam generation, distillation, endothermic chemical reactions, metal melting and others. Burners are mechanical devices utilized for mixing proper quantities of fuel and air, and also for maintaining a stable flame inside fired equipment. Included here are brief descriptions of key aspects of industrial burner components and operation. Fuel-air mix Industrial process burners can be classified in several ways, including the type of fuel-air mixing involved (diffusion or premixing). Raw-gas burners are used for most applications. In these burners, the fuel gas passes through orifices in the gas tip and is injected directly into the combustion zone, where it mixes with air. A stabilizer cone is located just below the gas to improve combustion stability. These burners are suitable for mounting in plenum chambers (the area where air enters the burner), and can be used with preheated combustion air. Pre-mix burners are those in which fuel and air are mixed prior to combustion. Pre-mix burners are sometimes used in specialized applications. In these burners, the kinetic energy…
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