Preparation method of foam glass
A technology of foam glass and foam stabilizer, which is applied in the field of building materials, can solve the environmental pollution of waste cathode ray tubes and other problems, and achieve the effect of reducing environmental pollution
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Embodiment 1
[0020] A method for preparing foam glass, which is prepared by using the following raw materials in parts by weight: 40 parts of cathode ray tube, 20 parts of perlite, 15 parts of calcium carbonate, 6 parts of Glauber's salt, 6 parts of foam accelerator, 3 parts of foam stabilizer, borax Servings 12, includes the following preparation steps:
[0021] A. Break the surface of the cathode ray tube and separate the glass shell;
[0022] B. The glass shell is mixed with perlite, calcium carbonate, Glauber's salt and borax and entered into a ball mill to be ground into powder;
[0023] C. said powder is crossed 160 mesh sieves;
[0024] D. the powder sieved in step C is mixed with foam accelerator and foam stabilizer, and put into the mold for preparing foam glass;
[0025] E. Put the mold into the kiln, preheat for 10 minutes, and the preheating temperature is 500°C;
[0026] F. After preheating, raise the temperature of the kiln to 1200°C within 2 minutes, and keep the temperat...
Embodiment 2
[0029] A method for preparing foam glass, which is prepared by using the following raw materials in parts by weight: 50 parts of cathode ray tube, 35 parts of perlite, 25 parts of calcium carbonate, 10 parts of Glauber's salt, 15 parts of foam accelerator, 7 parts of foam stabilizer, borax Servings 16, including the following preparation steps:
[0030] A. Break the surface of the cathode ray tube and separate the glass shell;
[0031] B. The glass shell is mixed with perlite, calcium carbonate, Glauber's salt and borax and entered into a ball mill to be ground into powder;
[0032] C. said powder is crossed 280 mesh sieves;
[0033] D. the powder sieved in step C is mixed with foam accelerator and foam stabilizer, and put into the mold for preparing foam glass;
[0034] E. Put the mold into the kiln, preheat for 15 minutes, and the preheating temperature is 700°C;
[0035] F. After preheating, raise the temperature of the kiln to 1700°C within 2 minutes to 3 minutes, and k...
Embodiment 3
[0038] A method for preparing foam glass, which is prepared by using the following raw materials in parts by weight: 45 parts of cathode ray tube, 27 parts of perlite, 20 parts of calcium carbonate, 8 parts of Glauber's salt, 10 parts of foaming accelerator, 5 parts of foam stabilizer, borax 14 servings, including the following preparation steps:
[0039] A. Break the surface of the cathode ray tube and separate the glass shell;
[0040] B. The glass shell is mixed with perlite, calcium carbonate, Glauber's salt and borax and entered into a ball mill to be ground into powder;
[0041] C. said powder is crossed 220 mesh sieves;
[0042] D. the powder sieved in step C is mixed with foam accelerator and foam stabilizer, and put into the mold for preparing foam glass;
[0043] E. Put the mold into the kiln, preheat for 12 minutes, and the preheating temperature is 600°C;
[0044] F. After preheating, raise the temperature of the kiln to 1425°C within 2 to 3 minutes, and keep th...
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