Preparation method of heat-preservation foam glass
A foam glass and quartz glass technology, applied in the field of thermal insulation foam glass preparation, can solve the problems such as the thermal insulation effect cannot meet the market demand, degradation, etc., and achieve the effects of avoiding too slow molding speed, improving quality, and improving thermal insulation performance.
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Embodiment 1
[0018] A method for preparing thermal insulation foam glass, which is made of the following components in parts by weight: quartz glass 90, bismuth oxide-coated nano-zeolite powder 10, potassium chloride 1.5, sodium carbonate 0.5, calcium oxide 3, aluminum oxide 0.1, zinc oxide 0.1. Acidified bentonite 5.2. Foaming agent 1.
[0019] Further, the particle size of the quartz glass is 300 mesh.
[0020] Further, the preparation method of the bismuth oxide-coated nano-zeolite powder is:
[0021] (1) Put the nano-sized zeolite powder and bismuth nitrate into the ball mill tank according to the mass ratio of 50:1.8, control the ball-material ratio to 100:1.2, then add absolute ethanol with 3.5 times the mass of the zeolite powder, ball mill for 1.5 hours, and then carry out Dry and remove absolute ethanol to obtain a solid mixture;
[0022] (2) Add 0.28% of the mass of sodium hydroxide to the solid mixture, and then add 0.15% of the mass of the solid mixture of deionized water, st...
Embodiment 2
[0030] A method for preparing thermal insulation foam glass, which is made of the following components in parts by weight: quartz glass 100, bismuth oxide-coated nano-zeolite powder 15, potassium chloride 2.0, sodium carbonate 0.9, calcium oxide 6, aluminum oxide 0.3, zinc oxide 0.3, acidified bentonite 5.6, foaming agent 5.
[0031] Further, the particle size of the quartz glass is 300 mesh.
[0032] Further, the preparation method of the bismuth oxide-coated nano-zeolite powder is:
[0033] (1) Put the nano-sized zeolite powder and bismuth nitrate into the ball mill tank according to the mass ratio of 50:1.8, control the ball-material ratio to 100:1.2, then add absolute ethanol with 3.5 times the mass of the zeolite powder, ball mill for 1.5 hours, and then carry out Dry and remove absolute ethanol to obtain a solid mixture;
[0034] (2) Add 0.28% of the mass of sodium hydroxide to the solid mixture, and then add 0.15% of the mass of the solid mixture of deionized water, s...
Embodiment 3
[0042] A method for preparing thermal insulation foam glass, which is made of the following components in parts by weight: quartz glass 95, bismuth oxide-coated nano-zeolite powder 12, potassium chloride 1.8, sodium carbonate 0.6, calcium oxide 5, aluminum oxide 0.2, zinc oxide 0.2, acidified bentonite 5.5, foaming agent 3.
[0043]Further, the particle size of the quartz glass is 300 mesh.
[0044] Further, the preparation method of the bismuth oxide-coated nano-zeolite powder is:
[0045] (1) Put the nano-sized zeolite powder and bismuth nitrate into the ball mill tank according to the mass ratio of 50:1.8, control the ball-material ratio to 100:1.2, then add absolute ethanol with 3.5 times the mass of the zeolite powder, ball mill for 1.5 hours, and then carry out Dry and remove absolute ethanol to obtain a solid mixture;
[0046] (2) Add 0.28% of the mass of sodium hydroxide to the solid mixture, and then add 0.15% of the mass of the solid mixture of deionized water, sti...
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