Method for eliminating efflorescence of magnesium oxychloride wall through magnesium sulfate
A technology of magnesium sulfate and magnesium oxychloride, which is applied in the field of building materials, can solve the problems of reducing product strength, shortening the service life of products, and getting wet, and achieves the effects of increasing strength and stability, improving flexural strength, and good surface finish
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Embodiment 1
[0029] A kind of method that magnesium sulphate solves magnesium oxychloride wall to return halogen, comprises the steps:
[0030] (1) Prepare magnesium sulfate aqueous solution: add magnesium sulfate powder into water with pH=7, stir evenly, and prepare magnesium sulfate aqueous solution with Baume degree of 25;
[0031] (2) Add a modifier to the magnesium sulfate aqueous solution obtained in step (1), and stir evenly to obtain mixture A; wherein the modifier is copper sulfate, ferrous sulfate, potassium dichromate and methyl silanol Potassium is composed of mass ratio 1:1.2:2.6:2.7;
[0032] (3) adding magnesium oxide with a purity of 85% and an activity of 65% to the mixture A described in step (2), stirring while adding, to obtain a mixture B;
[0033] (4) Add fly ash, surface-modified whiskers, polypropylene fiber, quartz sand, sawdust, straw and perlite to mixture B described in step (3) according to the formula, and stir evenly to obtain mixture C;
[0034] (5) Fill t...
Embodiment 2
[0037] A kind of method that magnesium sulphate solves magnesium oxychloride wall to return halogen, comprises the steps:
[0038] (1) Prepare magnesium sulfate aqueous solution: add magnesium sulfate powder into water with pH=6.5, stir evenly, and prepare magnesium sulfate aqueous solution with Baume degree of 26;
[0039] (2) Add a modifier to the magnesium sulfate aqueous solution obtained in step (1), and stir evenly to obtain mixture A; wherein the modifier is copper sulfate, ferrous sulfate, potassium dichromate and methyl silanol Potassium is composed of mass ratio 1:1:2.4:2;
[0040] (3) adding magnesium oxide with a purity of 85% and an activity of 65% to the mixture A described in step (2), stirring while adding, to obtain a mixture B;
[0041] (4) Add fly ash, surface-modified whiskers, polypropylene fiber, quartz sand, sawdust, straw and perlite to mixture B described in step (3) according to the formula, and stir evenly to obtain mixture C;
[0042] (5) Fill the...
Embodiment 3
[0045] A kind of method that magnesium sulphate solves magnesium oxychloride wall to return halogen, comprises the steps:
[0046] (1) Prepare magnesium sulfate aqueous solution: add magnesium sulfate powder into water with pH=7, stir evenly, and prepare magnesium sulfate aqueous solution with Baume degree of 24;
[0047] (2) Add a modifier to the magnesium sulfate aqueous solution obtained in step (1), and stir evenly to obtain mixture A; wherein the modifier is copper sulfate, ferrous sulfate, potassium dichromate and methyl silanol Potassium is composed of a mass ratio of 1:1.5:3:2.8;
[0048] (3) adding magnesium oxide with a purity of 85% and an activity of 65% to the mixture A described in step (2), stirring while adding, to obtain a mixture B;
[0049] (4) Add fly ash, surface-modified whiskers, polypropylene fiber, quartz sand, sawdust, straw and perlite to mixture B described in step (3) according to the formula, and stir evenly to obtain mixture C;
[0050] (5) Fil...
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