Method for preparing microcrystalline foam glass from ceramic polishing waste
A technology of ceramic polishing waste and microcrystalline foam glass, which is applied in glass molding, glass manufacturing equipment, manufacturing tools, etc., and can solve the problems of not being able to grasp the grain size and the uniformity of grain distribution.
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example 1
[0015] 1. Use ceramic polishing waste as the basic raw material, introduce other raw materials appropriately, and adjust the ingredients. Its silicon oxide content is 62.76%, sodium oxide content is 15.20%, and calcium oxide content is 6.5%. Then the batch was fired at 1350°C for 3 hours and then water quenched to obtain the basic glass.
[0016] 2. Grind the basic glass to 180 mesh, then add additives with a particle size of 200 mesh, and grind together for 10 minutes. The types and amounts of the additives are respectively: foaming agent calcium carbonate 0.5%, foam stabilizer sodium phosphate 5%, fluxing agent borax 5%.
[0017] 3. Raise the batch material to 900°C at a heating rate of 10°C / min, keep it warm for 15 minutes, and then lower it to room temperature with the furnace to obtain foam glass.
[0018] 4. Heat the prepared foam glass to 760°C at a heating rate of 10°C / min and keep it warm for 120 minutes; then raise the temperature to 890°C at a heating rate of 15°C...
example 2
[0021] 1. Use ceramic polishing waste as the basic raw material, introduce other raw materials appropriately, and adjust the ingredients. Its silicon oxide content is 61.57%, sodium oxide content is 15.22%, and calcium oxide content is 6.92%. Then the batch was fired at 1350°C for 3 hours and then water quenched to obtain the basic glass.
[0022] 2. Grind the basic glass to 180 mesh, then add additives with a particle size of 200 mesh, and grind together for 10 minutes. The types and dosages of the additives are respectively: 1.0% of calcium carbonate, 6% of sodium phosphate, and 6% of borax.
[0023] 3. Raise the batch material to 900°C at a heating rate of 10°C / min, keep it warm for 15 minutes, and then lower it to room temperature with the furnace to obtain foam glass.
[0024] 4. Heat the prepared foam glass to 740°C at a heating rate of 10°C / min, and keep it warm for 100 minutes; then raise the temperature to 890°C at a heating rate of 15°C / min, and keep it warm for 10...
example 3
[0027] 1. Use ceramic polishing waste as the basic raw material, introduce other raw materials appropriately, and adjust the ingredients. Its silicon oxide content is 59.78%, sodium oxide content is 15.24%, and calcium oxide content is 7.55%. Then the batch was fired at 1350°C for 3 hours and then water quenched to obtain the basic glass.
[0028] 2. Grind the basic glass to 180 mesh, then add additives with a particle size of 200 mesh, and grind together for 10 minutes. The types and amounts of the additives are respectively: 1.5% of calcium carbonate, 8% of sodium phosphate, and 8% of borax.
[0029] 3. Raise the batch material to 890°C at a heating rate of 10°C / min, keep it warm for 20 minutes, and then lower it to room temperature with the furnace to obtain foam glass.
[0030] 4. Heat the prepared foam glass to 730°C at a heating rate of 10°C / min and keep it warm for 80 minutes; then raise the temperature to 900°C at a heating rate of 15°C / min and keep it warm for 80 mi...
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