For example on the roller table of a continuous slab caster, the hot slabs are transferred to a position covered by a heat exchanger. There they rest until the next hot slab arrives. The onward movement of a slab in order to give way to the next red-hot slab is triggered by automated roller table controls. Thus, the next arriving slab will automatically stop under the heat exchanger.
The slabs radiate between 30 and 45 kW of energy per m², depending on their surface temperatures. The heat exchangers absorb the radiant heat and convert it into steam.
_{(Source: SMS group)}