Method for preparing rapid hardening high-early-strength cement clinker
A technology for early-strength cement and cement clinker, applied in the field of building materials, can solve problems such as polluting the environment and occupying land, and achieve the effects of low energy consumption, high post-strength guarantee, and broad application prospects.
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Embodiment 1
[0016] 1) Selection of raw materials
[0017] Raw materials having four chemical compositions as follows (see Table 1) were used.
[0018] Table 1 Chemical composition of four kinds of raw materials
[0019]
LOSS
SiO 2
Al 2 o 3
Fe 2 o 3
CaO
MgO
TiO 2
K 2 o
Na 2 o
SO 3
Limestone 1
43.66
0.50
0.20
0.14
54.20
1.10
0.00
0.10
0.20
0.03
Bauxite tailings 1
10.43
27.13
44.04
12.06
0.80
0.76
2.02
2.41
0.37
0.62
fly ash 1
5.10
53.78
27.46
5.76
4.83
2.02
0.59
0.30
0.11
0.28
plaster 1
3.69
2.24
0.69
0.58
38.76
0.26
0.00
0.13
0.11
53.38
[0020] 2) Weighing of raw materials
[0021] According to the clinker mineral design requirements, it is composed of...
Embodiment 2
[0035] 1) Selection of raw materials
[0036] Raw materials having four chemical compositions as follows (see Table 4) were used.
[0037] Table 4 Chemical composition of four kinds of raw materials
[0038]
LOSS
SiO 2
Al 2 o 3
Fe 2 o 3
CaO
MgO
TiO 2
K 2 o
Na 2 o
SO 3
Limestone 2
41.72
3.54
0.73
0.41
52.74
0.51
0.00
0.09
0.02
0.02
Bauxite tailings 2
11.98
26.58
43.98
11.50
0.98
0.69
2.20
1.33
0.11
0.12
fly ash 2
0.38
54.76
24.90
7.23
5.36
2.30
0.95
1.84
1.26
0.30
plaster 2
20.19
4.08
1.34
0.66
30.55
1.62
0.00
0.26
0.13
40.94
[0039] 2) Weighing of raw materials
[0040] According to the clinker mineral design requirements, according to the...
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