Preparation method of specific high-performance wear-resistant castable for coal burner
A high-performance, castable technology, which is applied in the field of preparation of high-performance wear-resistant castables for coal injection pipes, can solve the problems of poor performance such as high temperature resistance, erosion resistance and wear resistance, high concentration of alkali vapor, peeling and corrosion Wear and other problems, to achieve good promotion value and market prospects, safe and reliable quality, good anti-flaking performance
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[0012] The following is an embodiment of the present invention, a preparation method of a special high-performance wear-resistant castable for coal injection pipes, comprising the following steps:
[0013] (1) homogenize the raw materials composed of corundum, silicon carbide, corundum powder, bauxite powder, silica micropowder, pure calcium aluminate cement, stainless steel fiber, explosion-proof fiber and water reducing agent;
[0014] (2) Pour the homogenized raw materials into the forced mixer for mixing. According to the capacity of the mixer, put in the dry material at one time, first dry mix for 2-6 minutes, then add water for wet mixing for 4-8 minutes, and strictly control the water The added amount of the material should be stabilized at 4-5% of the total weight of the raw materials, which not only ensures a certain fluidity, but also ensures the low moisture and high density of the construction body;
[0015] (3) Naturally cured for more than 50 hours at an ambient ...
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