1. Regardless of the difference between the clinker itself and the influencing factors of the cement mixture, the ratio of the strength of the 1% clinker used in the open-circuit cement mill system without pre-crushing in the cement to the strength of the clinker itself is 1.21 and 3d respectively The 1.05 of 28d is the most ideal for the strength of clinker in cement.
The ratio of the strength of the 1% clinker used in the roller press-ball mill semi-final grinding system in cement to the strength of the clinker itself is 1.04 for 3d and 1.00 for 28d, which is the most effective for the strength of clinker in cement. Not ideal. Of course, this is also related to the cement fineness we control.
The non-pre-crushing ball mill system has the phenomenon of over-grinding, and its own particle morphology is better, the bulk density of the finished cement is higher, the cement hydration status is good, and the strength of the clinker in the cement is higher.
In the semi-final grinding system of the roller press-ball mill, a larger part of the particle morphology of the cement is flakes, the bulk density is small, the cement requires a large amount of water, and the hydration products need to fill more voids, resulting in the clinker being in the finished cement. The intensity of the medium is not ideal.
2 Analysis and suggestions on the influence of the grinding method of the ball mill system on the strength of cement
The fundamental reason for the influence of the grinding method of the ball mill system on the strength of cement is the influence on the morphology of cement particles and the particle gradation of cement, which ultimately leads to the influence on the strength of cement.
This article only discusses the effect of clinker’s strength in cement at the macro level. The type and activity index of the materials used in cement, the stimulating effect of cement clinker on the mixture, the change of the ratio, the control index and the influence of additives on the strength of the clinker in the cement are not considered; the grinding method of the ball mill system The effect of clinker on the performance of other functions in cement has not been further discussed.
The impact of the grinding method on the cost of cement needs to be comprehensively analyzed after considering various factors such as the impact of the grinding method on cement output and Taiwan’s electricity consumption.
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