Recycled fiber reinforced silicate cement wallboard formula for wind power blade
A Portland cement and fiber recycling technology, applied in wind power generation, sustainable waste treatment, solid waste management, etc. Corrosion resistance effect, good corrosion resistance, the effect of preventing the growth of micro-cracks
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Embodiment 1
[0028] The formulation of fiber-reinforced Portland cement wallboard for wind power blade recycling includes a stirring pot, a set of forming molds and a set of wallboard test pieces, the wallboard test pieces are composed of the following components: ordinary silicon cement, particle size less than 2.16mm Ordinary river sand, liquid polycarboxylate superplasticizer, pure acrylic polymer emulsion, liquid defoamer, recycled fiber A with a diameter of 1 mm, the proportion of recycled fiber A is 4% of the cement mass, ordinary silica cement and ordinary The ratio of river sand is 1:1, the content of liquid polycarboxylate superplasticizer is 2.5%, the poly-ash ratio is 6%, the defoamer is 1% of the polymer mass, and the water-cement ratio is 0.248, which is used in this example. The ordinary silica cement is ordinary silica cement with a strength grade of 42.5;
[0029] The dimensions of the molding cavity of the molding die and the wallboard specimen are 250*50*10mm, respectivel...
Embodiment 2
[0042] The formulation of fiber-reinforced Portland cement wallboard for wind power blade recycling includes a set of forming molds and a set of wallboard specimens. , liquid polycarboxylate superplasticizer, pure acrylic polymer emulsion, liquid defoamer, recycled fiber B with a diameter of 2mm, the content ratio of recycled fiber B is 8% of the cement mass, ordinary silicon cement and ordinary river sand are 1:1 ratio, the content of liquid polycarboxylate water reducer is 2.5%, the poly-ash ratio is 6%, the defoamer is 1% of the polymer mass, and the water-cement ratio is 0.248.
[0043] The recycled fiber B is divided into eight wallboard specimens B0, B1, B2, B3, B4, B5, B6, and B7 according to the corresponding output range. The material ratio of the eight wallboard specimens during the test is shown in the following table:
[0044]
[0045] According to the data calculated by the fixed fluidity test method (150±10mm), draw the flexural strength curve, see figure 2 ...
Embodiment 3
[0048] The formulation of fiber-reinforced Portland cement wallboard for wind power blade recycling includes a set of forming molds and a set of wallboard specimens. , liquid polycarboxylate superplasticizer, pure acrylic polymer emulsion, liquid defoamer, recycled fiber C with a diameter of 3mm, the content ratio of recycled fiber C is 4% of the cement mass, ordinary silica cement and ordinary river sand are 1:1 ratio, the content of liquid polycarboxylate water reducer is 2.5%, the poly-ash ratio is 6%, the defoamer is 1% of the polymer mass, and the water-cement ratio is 0.248.
[0049] The recycled fiber C is divided into eight wallboard specimens C0, C1, C2, C3, C4, C5, C6, and C7 according to the corresponding output range. The material ratio of the eight wallboard specimens during the test is shown in the following table:
[0050]
[0051] According to the data calculated by the fixed fluidity test method (150±10mm), draw the flexural strength curve, see image 3 . ...
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