On-line hot preparation method of glass batch
A glass batching material and batching technology, which is applied in glass manufacturing equipment, glass production, manufacturing tools, etc., can solve the problem of insignificant energy saving effect, and achieve the effects of avoiding heat loss, reducing flying damage and saving mineral resources.
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Embodiment 1
[0019] On a float glass production line with a daily melting capacity of 450 tons, according to the amount of molten glass per ton, weigh 730 kg of quartz sand, 30 kg of feldspar, 210 kg of dolomite, 50 kg of limestone, 220 kg of soda ash, and 12 kg of mirabilite. Then add 20 kg of adhesive, stir with 60 kg of water and mix evenly, then transport to the hydraulic press, press to a density of about 2.3t / m 3 1. A block material with a size of 550×550×20mm; wherein the binder is formed by mixing bentonite, water glass and starch in a weight ratio of 3.5:1.8:2.
[0020] The compressed block material is transported to the roller kiln for heating by a conveyor, and the waste heat of the flue gas and fuel generated by the glass melting furnace are used to heat the material to preheat the material at 900°C to form a sinter composed of silicate and silicon dioxide. The blocks are immediately sent to the crusher and crushed into pellets with a size of 25×25×20~50×50×20mm in a hot state,...
Embodiment 2
[0023] On the horseshoe flame furnace rolling glass production line with a daily melting capacity of 110 tons, according to the amount of molten glass per ton, weigh 725 kg of quartz sand, 95 kg of calcite, 120 kg of dolomite, 230 kg of soda ash, 5 kg of mirabilite, and sodium nitrate 15 kilograms, 18 kilograms of aluminum hydroxide, 1.8 kilograms of antimony oxide, the adhesive agent that bentonite, water glass, starch are formed and water are mixed and join in the glass batch material, wherein, the ratio of bentonite, water glass, starch (weight ratio )=3.5:1.3:1.5, the amount added is 5% of the total amount of batch materials, and the amount of water used is 3% of the total amount of batch materials. The hydraulic press presses the batch to a density of about 2.2t / m 3 , a block material with a size of 550×550×20mm, the formed batch material is transported to the mesh belt kiln by the conveyor for heating, and the material is decomposed under the high temperature of 800°C, a...
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