Energy Saving Technology of Waste Heat Recovery in Ceramic Kiln

Energy Saving Technology of Waste Heat Recovery in Ceramic Kiln

Tunnel kiln flue gas waste heat utilization

Tunnel kiln waste heat recovery is mainly used to heat the air as a heat source to dry the blank, but also can be used as combustion air to improve the thermal efficiency of the kiln itself, the choice of both may be based on the specific circumstances of each factory may be.

Electric porcelain tunnel kiln cooling belt waste heat utilization

The electric furnace tunnel kiln cooling belt 400 ℃ ~ 450 ℃ exhaust through the heat pipe heat exchanger heat, flue gas temperature dropped to 300 ℃, and then returned to the kiln firing zone as the atmosphere of the wind use. The heated fresh air is sent to the drying room to dry the electric porcelain blanks.

Pouring furnace flue gas waste heat utilization

A factory inverted flame kiln exhaust temperature of 564 ℃, measured the thermal efficiency of the furnace was only 23%, because the blank into the kiln before the need for preheating and drying, so need to build a drying kiln, coal as a fuel, burning Flue gas as a drying heat source. According to calculation, if the flue gas 560 ℃ to 160 ℃ emptying, the fresh air heated to 60 ~ 120 ℃, the heat enough to dry the blank used.

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