FIELD: metallurgy.
SUBSTANCE: invention relates to injector cooler-holder for feeding medium in metallurgical vessel, in particular, arc furnace. Note here that injector cooler is arranged in of on furnace walls. It has the player with cooling channel via which coolant flow, or cooling opening. Said cooling channel or cooling hole separated hot area from cold one. To facilitate registration of temperature and stresses in injector cooler in hot area appropriate meter of temperature and/or mechanical expansion is arranged. Said meter comprises light guide built in or secured at hot area.
EFFECT: accurate control over operation of equipment.
7 cl, 3 dwg
