Product introduction
Coke oven gas hot-blast furnace burner is an industrial burner which uses coke oven gas as fuel, and is used in hot blast furnace industry.
Coke oven gas, because of much combustible composition, belongs to high calorific value, crude or barren gas. Coke oven gas is a mixture of hydrogen H2 (55%~60%) and methane CH4 (23%~27%). It also contains a small amount of carbon monoxide CO (5%~8%), unsaturated hydrocarbon CMHN (2%~4%), carbon dioxide CO2 (1.5%~3%), oxygen O2 (0.3%~0.8%), and nitrogen N2(3%~7%).Hydrogen, methane, CO, C2 are unsaturated hydrocarbons combustible components, while CO2, nitrogen and oxygen are non-combustible components.
The coke oven gas burner developed by Jufeng thermal technology fully takes into account the high tar content of coke oven gas, and adopts a unique structure. Compared with similar burners at home and abroad, it will not be blocked by crude coke oven gas without heating or filtering. The coke oven gas and air are mixed in the combustion head and ready for burning, after forming a flame, it ejects into the furnace; rather than going into the furnace firstly and burning. This method solves the problem of blocking the burner gas nozzle. Using small diameter nozzles, gas outlet velocity is quicker than the flame propagation speed, which eliminate the risk of temper.
Features of coke oven gas are:
The heating value of coke oven gas is about 4000kCal/Nm3; the combustible component is high (about 90%);
Coke oven gas is toxic due to CO and a small amount of H2S;
Coke oven gas contains much hydrogen, burning speed is fast, the flame is short;
If purification for coke oven gas is not good, will lead to more tar and naphthalene, which will block the pipe and its fittings, and bring difficulties in fire control work;
The ignition temperature is 600 ~ 650 ℃.
Fire observation hole, ignition hole and fire inspection hole are reserved on the shell panel of the burner.
The burner is equipped with an integrated flame monitoring system, which can realize flame monitoring. It is installed on the outside plate of the burner and has a cooling air access joint. The cooling air comes from a forced fan.
The position of igniter, pilot burner and fire probe is reasonable.
Patent & CE certificate:
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