FIELD: press forging. SUBSTANCE: method of two chambers furnace heating provides for gas-air mixture feeding, its burning with less than 1 air consumption factor, following second feeding of air volume, required to burn residual products of gas-air mixture burning. In the case, gas-air mixture burning in chambers is exercised alternately and second feeding of air is exercised in unused chamber. Furnace to heat blanks has two chambers in one block. They are partitioned by wall, have roof burners and smoke canals. Chambers partitioning wall has continuous cycle of blanks heating, decrease of gas consumption, hearth furnace structure is simplified and cheaper. EFFECT: method is used in press forging. 2 cl, 3 dwg
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Authors
Dates
1994-10-30—Published
1992-02-25—Filed