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A METHOD RELATING TO COMBUSTION WITH THE AID OF A GAS BURNER FOR FURNACE HEATING PURPOSES AND A FURNACE HEATING GAS BURNER
A METHOD RELATING TO COMBUSTION WITH THE AID OF A GAS BURNER FOR FURNACE HEATING PURPOSES AND A FURNACE HEATING GAS BURNER
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机译:与用于炉膛加热目的的燃气燃烧器和炉膛加热燃气燃烧器有关的燃烧方法
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摘要
The present invention relates to a method of combustion with the aid of a gas burner for furnace heating purposes, where the gas burner is of the type with which the burner head is placed at one end of an inner gas pipe (2) which is surrounded by an outer protective pipe (3), wherein the gases from the burner head (1) flow inside the inner pipe and inside the outer pipe and thereafter flow into an exhaust channel (5) which leads to the surroundings. The invention is characterized in that the inner pipe (2) is caused to terminate short of the burner head (1); in that a sleeve (10) is placed downstream of the burner head, wherein the sleeve (10) is caused to be inserted somewhat into and/or is placed concentrically with the inner pipe (2) so that the sleeve orifice (13) is located within said inner pipe; in that a gap (14) is provided between the opening (15) of the inner pipe (2) and said sleeve (10); in that the size of the gap (14) is caused to be such that the mixture of fuel and combustion air coming from the burner head (1) and the re-cycled exhaust gases passing through said gap (14) will be mixed in quantities at which the temperature of combustion will be lower than the temperature in which NOx is formed. The invention also relates to a burner.
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