| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping for liquid-fuel supply in a regenerative heating furnace for preventing or inhibiting intermittent combustion generating after closing an automatic open/close valve. SOLUTION: In the liquid-fuel supply piping 1 a regenerative heating furnace, in which a pair of main burners 2a, 2b having oil nozzles are alternately used for burning. The level of pipe installation downstream of the automatic open/ close valve 14 for controlling the liquid fuel supply is positioned lower than the mounting level of the oil nozzles 10a, 10b. |
