Alite-barium calcium sulfur aluminate cement
A technology of barium calcium sulfoaluminate and tricalcium aluminate, which is applied in the field of cement materials, can solve the problems of high cost and unsuitability for mass production, and achieve the effects of accelerating hardening speed, saving limestone resources, and reducing shrinkage
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[0035] The specific examples of Alite-barium calcium sulfoaluminate cement of the present invention are shown in Table 1, Table 2 and Table 3.
[0036] Table 1 Raw material ratio (for chemical reagents) %
[0037] Numbering
[0038] Prepare the raw meal according to the above six ingredients, and add a small amount of fluorite at the same time, according to CaF 2 Calculated as 0.6 to 1.2%. The chemical composition of the raw meal is shown in Table 2
[0039] Table 2 Chemical composition of cement raw meal %
[0040] Numbering
[0041] In the laboratory, the above clinker is fired in a silicon-molybdenum rod electric furnace, and the firing temperature is 1360°C-1380°C. The physical properties of cement are listed in Table 3.
[0042]
[0043] The 3# clinker was analyzed by XRD, as shown in Figure 1. It can be seen that in the alite-barium calcium sulfoaluminate cement clinker mineral system, a certain amount of alite and barium calcium sulf...
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