| 摘要 |
PURPOSE:To heat the plate with a good thermal effiiency, by employing the disc rolls as the transferring rolls in the preheating furnace of plates, slabs, etc., equipping the gas blowing pipes for heating the lower side of the plates, etc. and the gas blowing pipes for heating the upper side of the paltes, etc. between these rolls and installing a heat insulating material on the inner surface of the furnace. |
