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Cement Clinker Plant

Cement Clinker Plant

Details of this product

Cement Production Method

Production technology of cement grinding a short are two burn, namely raw materials go through mining, crushing, fine grinding and made raw meal blending, raw meal burn mature material via the high temperature of 1450 , clinker and broken, mixed with gypsum or other material become cement mill together.Due to the raw meal preparation, there are dry and wet so production methods can be divided into wet and dry or half wet, dry 3 kinds.

Cement Clinker Made

Cement raw material by five double-series cyclone preheater and calciner preheater, after pre-decomposition, the decomposition rate of CaCO3 into the kiln will be greater than 90%. A preheater kiln temperature fan exhaust gas through a portion into the humidification tower; into the raw mill as part of the drying heat; another part into the coal mill as a dry heat.

  • kiln:
    Raw material in the pre-pre-decomposed decomposition system, into the rotary kiln clinker.
  • kiln clinker cooling and transport:
    From the rotary kiln clinker cooler fall from under the grate plate of cold air into the drum speed cooling, the clinker cooler temperature of the ambient temperature +65 OC, fed by the bucket chain conveyor clinker libraries. As part of the cooler air temperature kiln secondary air; another part was settling chamber, there are three air duct to the decomposition furnace as combustion air; residual electrostatic precipitator dust collection by cryogenic gas, into the atmosphere. Dust collected by the electrostatic precipitator zipper transport plane onto the clinker Paternosters.
  • clinker storage:
    Clinker from the clinker bucket chain conveyor into the library, the library set clinker bulk feed opening for clinker in bulk use.

Cement Milling Equipment

Ball is the first use of grinding equipment in the cement industry, and now still dominant, although its efficiency is very low, such as by single particle crushing power calculation only 6% to 9%, but the ball easy maintenance, high reliability, especially for cement clinker grinding, product particle shape and fitness level with the good performance of cement, it is hard to find a device can be completely replaced.

Grinding system there is an important device that classifier, the cement industry is the most used type centrifugal separator and optional wind machines, these are first-generation and second-generation separator, in recent years, the introduction and the development of third-generation separator, separation accuracy and separation efficiency have greatly improved. The third-generation separator generally increased the separation pressure, the use of cage classifier wheel, can better choose the powder, fine powder in a separate dedicated device separated from the gas.

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