Cementing material containing waste incineration fly ash, steel slag and mineral slag, and preparation method and application thereof
A technology for waste incineration fly ash and cementitious materials, applied in the field of building materials, can solve the problem of adding too much activator, etc., and achieve the effects of improving recycling rate, high compressive strength, leaching safety, and simple preparation method
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[0055] Example 1
[0056] The high-alumina steel slag-slag-fly ash-desulfurized gypsum solidified heavy metal cementitious material of the present embodiment is mainly composed of the following components by mass percentage: 40% of S95 slag powder, 20% of high-alumina steel slag powder, and 30% of waste incineration fly ash , 10% desulfurization gypsum.
[0057] Among them, the chemical composition of S95 slag powder, fly ash, high alumina steel slag and desulfurization gypsum is shown in Table 1.
[0058] After pouring and molding, and curing to different ages, leaching toxicity test was carried out. The test method was the same as that of Comparative Example 1. The test results are shown in Table 2.
Example Embodiment
[0059] Example 2
[0060] A preparation method of a high-alumina steel slag-slag-fly ash-desulfurized gypsum solidified heavy metal cementitious material of the present embodiment is mainly composed of the following components by mass percentage: S95 slag powder 20%, high-alumina steel slag powder 40%, garbage Incineration fly ash 30%, desulfurization gypsum 10%.
[0061] Among them, the chemical composition of S95 slag powder, fly ash, high alumina steel slag and desulfurization gypsum is shown in Table 1.
[0062] After pouring and molding, and curing to different ages, leaching toxicity test was carried out. The test method was the same as that of Comparative Example 1. The test results are shown in Table 2.
Example Embodiment
[0063] Example 3
[0064] A method for preparing a high-alumina steel slag-slag-fly ash-desulfurized gypsum solidified heavy metal cementitious material in this embodiment is mainly composed of the following components in percent by mass: 60% of high-alumina steel slag powder, 30% of waste incineration fly ash %, desulfurization gypsum 10%.
[0065] Among them, the chemical composition of fly ash, high alumina steel slag and desulfurization gypsum is shown in Table 1.
[0066] After pouring and molding, and curing to different ages, leaching toxicity test was carried out. The test method was the same as that of Comparative Example 1. The test results are shown in Table 2.
[0067] Table 1 Chemical composition % analysis of raw materials
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[0069]
[0070] Table 2 The leaching concentration of heavy metals (μg / L) in pulp test blocks of different ages
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