| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus in which clog of a pipe can be surely prevented without removing a flange part of a skid pipe water quantity control valve of a heating furnace and using an alkali solvent, moreover without lowering of productivity, and that is favorable in cost.SOLUTION: An exhaust port of a skid pipe is performed by bypass piping, a water quantity control valve is installed in the bypass piping in a clog prevention device of the skid pipe disposed in a heating furnace. |
