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.
Fully refined paraffin refers to a product obtained by using oil-containing wax as the raw material, degreased by sweating or solvent, and then refined by clay or hydrogenation.
Fully refined paraffin is also called refined white wax. The appearance of fully refined paraffin is white solid, with block and granular products. Its product has a higher melting point, less oil content, no sticking at room temperature, no sweating, no greasy feeling, waterproof, moisture-proof It has good electrical insulation. Because of its high degree of sophistication and low content of fused aromatic hydrocarbons. It has good chemical stability and light, good thermal stability, strong toughness, good plasticity, white color, no mechanical impurities and moisture, and no smell. Fully refined paraffin can be Soluble in: benzene, ether, chloroform, carbon disulfide, carbon tetrachloride, turpentine, petroleum, fixed oils.
Mainly used in high-frequency porcelain, carbon paper, stylus wax paper, precision casting, decorative sound-absorbing board and other products. Also used in packaging, electronics, textile candle crayons, match making and other industries. In addition, manufacturing high-grade candles and various industrial, civilian candle products Raw materials and additives, modifiers, etc.
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