Canned bottle glass and preparation method thereof
A canning bottle and glass technology, which is applied in glass manufacturing equipment, glass production, glass molding and other directions, can solve the problems of thick glass, inconvenient handling, and increased production costs for canning bottles, and achieves easy availability of raw materials, simple steps, and excellent quality. the effect of strength
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[0013] The invention provides a kind of preparation method of can bottle glass, described method comprises:
[0014] 1) The process of mixing and melting quartz sand, soda ash, limestone, sodium nitrate, nickel oxide, thenardite, fluorite, aluminum oxide and manganese oxide at 1400-1550°C to obtain a melt;
[0015] 2) The process of casting the molten material at 1200-1250° C. to obtain a primary product;
[0016] 3) The process of annealing the primary product at 540-560° C. to obtain can glass.
[0017] In the present invention, the consumption of each raw material can be selected in a wide range, in order to make the glass of the canned bottle made have more excellent mechanical strength, preferably, relative to the quartz sand of 100 parts by weight, the consumption of said soda ash is 28-35 parts by weight, the consumption of the limestone is 30-33 parts by weight, the consumption of the sodium nitrate is 2.5-3 parts by weight, the consumption of the nickel oxide is 0.00...
Embodiment 1
[0028] 100kg of quartz sand, 30kg of soda ash, 32kg of limestone, 2.8kg of sodium nitrate, 0.010kg of nickel oxide, 14kg of Glauber’s salt, 4kg of fluorite, 3kg of alumina and 7kg of manganese oxide were mixed and melted at 1440°C for 2.5 hours, followed by melting at 1235°C Casting and keeping the constant temperature for 1.5h, finally annealing at 553°C and keeping the constant temperature for 2h, then cooling to obtain 5mm thick can glass A1, the internal pressure resistance of the can glass is 2.5MPa, and the impact energy value is 2.9N m .
Embodiment 2
[0030] 100kg of quartz sand, 28kg of soda ash, 30kg of limestone, 2.5kg of sodium nitrate, 0.007kg of nickel oxide, 13kg of Glauber’s salt, 3.5kg of fluorite, 1kg of alumina and 6kg of manganese oxide were mixed and melted at 1430°C for 2 hours, followed by melting at 1230°C Casting and keeping the constant temperature for 1h, finally annealing at 550°C and keeping the constant temperature for 1.5h, then cooling to obtain can glass A2 with a thickness of 5mm, the internal pressure resistance of the can glass is 2.4MPa, and the impact energy value is 2.9N m .
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