Ceramic chute to withstand high temperature

Refractory for heating furnace With the large-scale and high efficiency of the rolling mill, the heating furnace put forward higher demand, its development trend is large, low consumption, pollution-free and operational automation, building materials and therefore divided into side-open and lift Two kinds. 

The door is generally made of clay brick,refractory castableor refractory plastic,high aluminum insulation brickor refractory fiber mats and other materials for lining. Side open the door can use a furnace service, lift door due to temperature fluctuations and mechanical impact and other factors, the service life of about la. Out of the riveting withrefractory materialwith the side of the billet heating furnace.In addition to water-cooled cast iron out of the trough, the general use of high alumina brick or masonry masonry, the service life of 3 to 6 months. Sintered mullite or fused mullite large brick masonry, high strength, good wear resistance, but the thermal shock resistance is poor, easy to crack, its life around 1a. 

The use of heat-resistant steel fiber staggered corundum refractory castable in the field into the overall steel trough, the service life of more than 2a.Ceramic chute with a small push-type refractory furnace, from the corundum a silicon carbide slide rails composed of ceramic slide. In the length of the furnace with arefractory brickmasonry two or four rows of the wall. In the base wall masonry high alumina silicon carbide brick, and then install the sliding rail brick and composed of ceramic slide. 

Billet in the slide on the move to achieve the upper and lower sides of the heating, with less energy, billet without black and so on. Ceramic chute to withstand high temperature, billet load, high temperature wear and corrosion of iron oxide slag and other effects, the use of more demanding conditions, the life of about 1a. The bottom of the water cooling 'adiabatic refractory materials, large and medium-sized push silver or walking beam furnace, the bottom of the water cooling pipe is a vertical, horizontal distribution and support the role of thick-walled water cooling pipe composition.

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