Dispersion method of basalt chopped fibers for foamed concrete
A technology of foamed concrete and chopped fibers, which is applied in the field of dispersing basalt chopped fibers in the form of foam space, which can solve the problems of uneven dispersion, fiber aggregation into flocs or balls, etc., and achieve good dispersion effect, Effect of promoting dispersion and reducing foam breaking rate
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Embodiment 1
[0022] The dispersing method of the basalt chopped fiber for foamed concrete described in the present embodiment, the specific steps are as follows:
[0023] (1) Take 800mL of tap water in a 2000mL beaker, heat the water to 40°C, and add 2g of basalt chopped fibers into the water according to the mass-volume ratio g / mL of 1.0︰400 to obtain the mixed solution A;
[0024] (2) Put the beaker in step (1) into the ultrasonic tank, fix the mechanical stirrer directly above the beaker, make the stirring paddle just as far as the center of the beaker, fix the beaker with a test tube holder, and use ultrasonic and mechanical stirring together The mixed liquid A obtained in step (1) is dispersed, wherein the mechanical stirring speed is 500r / min; the ultrasonic power is 200W, the working temperature is 40°C, the working frequency is 53KHz, and the ultrasonic wave and mechanical stirring work together for 30 minutes to obtain the mixed liquid B ;
[0025] (3) According to the ratio of t...
Embodiment 2
[0032] The dispersing method of the basalt chopped fiber for foamed concrete described in the present embodiment, the specific steps are as follows:
[0033] (1) Take 800mL of tap water in a 2000mL beaker, heat the water to 45°C, and add 3g of basalt chopped fibers into the water according to the mass-volume ratio g / mL of 1.5︰400 to obtain the mixed solution A;
[0034](2) Put the beaker in step (1) into the ultrasonic tank, fix the mechanical stirrer directly above the beaker, make the stirring paddle just as far as the center of the beaker, fix the beaker with a test tube holder, and use ultrasonic and mechanical stirring together The mixed liquid A obtained in step (1) is dispersed, wherein the mechanical stirring speed is 600r / min; the ultrasonic power is 160W, the working temperature is 45°C, the working frequency is 53KHz, and the ultrasonic wave and mechanical stirring work together for 35 minutes to obtain the mixed liquid B ;
[0035] (3) According to the ratio of th...
Embodiment 3
[0041] The dispersing method of the basalt chopped fiber for foamed concrete described in the present embodiment, the specific steps are as follows:
[0042] (1) Take 800mL of tap water in a 2000mL beaker, heat the water to 50°C, and add 4g of basalt chopped fibers into the water according to the mass-volume ratio g / mL of 2.0︰400 to obtain the mixed solution A;
[0043] (2) Put the beaker in step (1) into the ultrasonic tank, fix the mechanical stirrer directly above the beaker, make the stirring paddle just as far as the center of the beaker, fix the beaker with a test tube holder, and use ultrasonic and mechanical stirring together The mixed liquid A obtained in step (1) is dispersed, wherein the mechanical stirring speed is 700r / min; the ultrasonic power is 180W, the working temperature is 50°C, the working frequency is 53KHz, and the ultrasonic wave and mechanical stirring work together for 40 minutes to obtain the mixed liquid B ;
[0044] (3) According to the mass volum...
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