FIELD: power industry.
SUBSTANCE: recuperative burner consists of housing with air supply duct, casing located around the housing so there formed is annular gap for exhaustion of combustion products into waste-gas flue and combustion chamber that includes fuel supply pipe from the header to the nozzle. Combustion chamber is equipped with the first perforated shell and the second shell that are installed in the housing with the corresponding annular gaps. The casing is equipped with the third perforated shell, the first and the second shell are installed coaxially between the housing and the third perforated shell.
EFFECT: increase of fuel combustion economy by way of heat recovery level increase.
2 cl, 1 dwg
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