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The Procedures and Process of Cement Production Line

1/8/2013 11:48:38 PM

The production process of the cement making production line mainly includes the following procedures: crushing and pre-homogenizing, raw material preparation, raw material homogenizing, preheat decomposition, the calcinations of cement clinker, cement grinding and cement packaging.

cement production line

Based on the different ways of raw material preparation, the cement making production line can be divided into dry cement production line (including semi-dry type) and wet cement production line (including the semi-wet type).

There are two ways for the dry process of cement making production line. One is that the raw materials are dried and grinded simultaneously. The other is the process that the raw materials are grinded into powder after being dried and then they are fed into the dry kiln to be calcined into the clinker. Besides, it also means that the raw material powder is made into the raw material ball by adding an appropriate amount of water and then the raw material are fed into the kiln to be burnt. It is called semi-dry which is still a kind of dry method.

The wet process cement making production line refers to the way that the raw material is grinded into the raw material slurry by adding water and then they are fed into the wet kiln to be burned. The semi-wet process is that the raw material is turned into the raw material block after the dewatering of the raw slurry, and then they are calcined into the clinker.

The main advantage of the dry production process is that it has low heat consumption (the heat consumption of clinker of kiln with preheater is only about 3140 to 3768 kJ / kg), while the disadvantage is that the ingredient of the raw material is not even and the power consumption is higher. As for the wet production line, it has the advantages of simple operation, easy control of raw ingredients, good product quality, convenient slurry transportation, less dust and so on. While its shortcoming is that the heat consumption is high (heat consumption of clinker is usually 5234 to 6490 kJ / kg).

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