Refractory LINING | REFRACTORIES | REFRACTORY JOB
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Halloysite
A kind of very white, translucent clay.
Header
A brick laid on the flat or on the edge with its length perpendicular to the wall.
Hearth
The lower part of the blast furnace in which the molten metal and slag are retained.
Hearth bottom
The refractory lining upon which the molten iron is contained in the hearth.
Heat baffles
Refractory work protecting a metallic beam from heat.
Heat capacity or Thermal capacity
The quantity of heat required to increase the temperature of a body by one degree or which the body yields when the temperature is lowered by one degree, without change of state.
Heat-setting bonding mortar
A refractory mortar which requires relatively high temperature for the development of a bond.
Hood, Boot or Potette
Refractory shape introduced into the furnace and partly immersed in glass to protect the gathering point from the furnace gases and the surface scum.
Hot-blast main
A circular duct which conveys the hot blast from a stove to a blast furnace.
Hot-blast stove Cowper stove
A vertical cylindrical furnace having a combustion chamber and checkers which alternatively receive heat from the combustion of blast furnace gas and deliver heat to the hot blast.
Hot floor
A floor, heated from below by steam pipes or hot gases, on which the refractory articles (especially brick shapes), ceramic wares in green stage or raw materials are placed for drying.
Hydraulic refractory cement Hydraulic setting mortar
A refractory composition containing heat-resisting hydraulic cement that ensures setting and hardening at room temperature.
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