APPARATUS FOR OBSERVING INSIDE HEATING FURNACE

摘要

PURPOSE: An apparatus for observing the inside of a heating furnace is provided to allow a user to observe the inside of the heating furnace through a transparent fluid curtain from outside without discharging inner materials in the heating furnaces. CONSTITUTION: An apparatus for observing the inside of a heating furnace comprises a main body(200) and a fluid curtain forming unit(300). The main body is connected to the heating furnace and has a see-through hole(210) corresponding to an observation hole of the heating furnace. The fluid curtain forming unit is installed in the main body and sprays fluid to the front of the observation hole to form a fluid curtain so that a user can observe the inside of the heating furnace without discharging inner materials from the heating furnace.