Tempered sheet glass and preparation method thereof
A thin plate and glass technology, applied in the field of tempered thin plate glass and its preparation, can solve the problems of incomplete chemical tempering, platinum and rhodium erosion in platinum crucibles, etc. Effect
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[0048] The invention discloses a method for preparing tempered thin-plate glass, the whole process of which is as follows.
[0049] The first step is the treatment of broken glass.
[0050] 1) Firstly, after removing the organic components from the collected thin glass cullets, use a wheel grinder to crush them to particles with a particle size of less than 10mm;
[0051] 2) Then, pass the broken particles through an electromagnetic iron removal device to remove iron;
[0052] 3) Then, put the broken glass particles of iron removal into the washing machine for cleaning;
[0053] 4) Finally, dry the cleaned cullet at 110-150° C. to become cullet raw material.
[0054] The second step is the preparation of thin glass.
[0055] 1) First, according to the mass fraction of the mixture, accurately weigh 48.5-52.1% of quartz sand, 1.35-1.55% of boric acid, 1.1-1.5% of borax, 8.5-10.5% of alumina, and 16.5-18.1% of lithium carbonate , 3.5-4.5% lithium nitrate, 3.5-5.0% sodium carb...
Embodiment 1
[0076] The first step is the treatment of broken glass.
[0077] 1) Firstly, after removing the organic components from the collected thin glass cullets, use a wheel grinder to crush them to particles with a particle size of less than 10mm;
[0078] 2) Then, pass the broken particles through an electromagnetic iron removal device to remove iron;
[0079] 3) Then, put the broken glass particles of iron removal into the washing machine for cleaning;
[0080] 4) Finally, dry the cleaned cullet at 110° C. to become cullet raw material.
[0081] The second step is the preparation of thin glass.
[0082]1) First, according to the mass fraction of the mixture, accurately weigh 48.5% of quartz sand, 1.55% of boric acid, 1.1% of borax, 9.97% of aluminum oxide, 16.5% of lithium carbonate, 4.5% of lithium nitrate, 3.5% of Sodium carbonate, 2.5% tripotassium phosphate, 0.2% calcium carbonate, 3.5% calcium phosphate, 6.5% basic magnesium carbonate, 1.5% strontium carbonate, 0.15% stanno...
Embodiment 2
[0102] The first step is the treatment of broken glass.
[0103] 1) Firstly, after removing the organic components from the collected thin glass cullets, use a wheel grinder to crush them to particles with a particle size of less than 10mm;
[0104] 2) Then, pass the broken particles through an electromagnetic iron removal device to remove iron;
[0105] 3) Then, put the broken glass particles of iron removal into the washing machine for cleaning;
[0106] 4) Finally, dry the cleaned cullet at 120° C. to become cullet raw material.
[0107] The second step is the preparation of thin glass.
[0108] 1) First, according to the mass fraction of the mixture, accurately weigh 48.7% of quartz sand, 1.52% of boric acid, 1.22% of borax, 10.5% of aluminum oxide, 17.1% of lithium carbonate, 4.31% of lithium nitrate, 3.25% of Sodium carbonate, 2.25% tripotassium phosphate, 0.25% calcium carbonate, 3.1% calcium phosphate, 6.2% basic magnesium carbonate, 1.4% strontium carbonate, 0.17% ...
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