A kind of non-alkali liquid accelerator and production process
A technology of production process and accelerator, which is applied in the field of alkali-free liquid accelerator and production process, can solve the problems of large dosage affecting the performance of concrete, achieve good quick-setting effect, reduce dosage and improve stability
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Embodiment 1
[0027] Preparation of alkali-free liquid accelerator:
[0028] 1.1 Raw materials (by weight):
[0029] 60 parts of polyaluminum sulfate; 4.5 parts of sodium fluoride; 10 parts of aluminum n-butoxide; 1.5 parts of triethanolamine; 1.5 parts of diethanolamine; 0.7 parts of magnesium silicate; 2 parts of glycerin; 2 parts of hydroxyethyl cellulose; ; 35 parts of deionized water.
[0030] 1.2 Preparation method:
[0031] Include the following steps:
[0032] (1) take each raw material by proportioning;
[0033] (2) Add sodium fluoride and deionized water into the reaction vessel, heat up to 60°C, add mineral acid, and stir at a speed of 1800r / min for 25min; obtain solution A;
[0034] (3) Add polyaluminum sulfate to solution A; Stir at a speed of 1800r / min for 40min; obtain solution B;
[0035] (4) After heating up to 75°C, add aluminum n-butoxide, triethanolamine, diethanolamine, magnesium silicate and thickener to solution B; stir at a speed of 1800r / min for 40min; obtain s...
Embodiment 2
[0038] Preparation of alkali-free liquid accelerator:
[0039] 2.1 Raw materials (by weight):
[0040] 50 parts of polyaluminum sulfate; 3 parts of sodium fluoride; 8 parts of aluminum isooctyl; 3 parts of triethanolamine; 1 part of diethanolamine; 0.5 parts of magnesium silicate; 3 parts of glycerin; 1 part of hydroxyethyl cellulose; 5 parts of phosphoric acid ; 30 parts of deionized water.
[0041] 2.2 Preparation method:
[0042] Include the following steps:
[0043] (1) take each raw material by proportioning;
[0044] (2) Add sodium fluoride and deionized water into the reaction vessel, heat up to 55°C, add mineral acid, and stir at a speed of 1000r / min for 30min; obtain solution A;
[0045] (3) Add polyaluminum sulfate to solution A; Stir at a speed of 2000r / min for 50min; obtain solution B;
[0046] (4) After heating up to 70°C, add aluminum isooctylate, triethanolamine, diethanolamine, magnesium silicate and thickener to solution B; stir at a speed of 2000r / min fo...
Embodiment 3
[0049] Preparation of alkali-free liquid accelerator:
[0050] 3.1 Raw materials (by weight):
[0051] 70 parts of polyaluminum sulfate; 6 parts of sodium fluoride; 12 parts of aluminum n-octylate; 1 part of triethanolamine; 3 parts of diethanolamine; 1 part of magnesium silicate; 1 part of glycerin; 3 parts of hydroxyethyl cellulose; 1 part of phosphoric acid ; 40 parts of deionized water.
[0052] 3.2 Preparation method:
[0053] Include the following steps:
[0054] (1) take each raw material by proportioning;
[0055] (2) Add sodium fluoride and deionized water into the reaction vessel, heat up to 65°C, add mineral acid, and stir at a speed of 2000r / min for 20min; obtain solution A;
[0056] (3) Add polyaluminum sulfate in solution A; Stir for 30min at a speed of 1500r / min; Obtain solution B;
[0057] (4) After heating up to 80°C, add aluminum n-octanol, triethanolamine, diethanolamine, magnesium silicate and thickener to solution B; stir at a speed of 1500r / min for 5...
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