Cement Production: Raw Meal Production in Steps
Perfectly mixed, accurately fed without pulsation, and precisely weighed
The key word is quality! And this quality is achieved during cement production with exactly matched process steps. In the first stage, the raw meal is produced, as described below.
Schenck Process measuring and feeding devices play a major role in this process.
1. Raw material production
The raw meal is based on limestone which is mined at a quarry, crushed and temporarily stored in blending beds. Schenck Process MULTIBELT® belt scales record material quantities accurately and reliably. Clay and sand are dried.
2. Raw meal production
The crushed limestone is ground into raw meal. Additives such as clay, sand or iron ore result in the desired chemical composition. The MULTIDOS® H weighfeeders and MULTIDOS® VPD apron feeders feed the various materials into the raw mill accurately and reliably. The raw meal is then homogenised in the blending silos. Finally, flow gates transport it to the next process step.
Solutions package: Schenck Process MULTIBELT® belt scales, MULTIDOS® H weighfeeders, MULTIDOS® VPD apron feeders, MULTISTREAM® solid feeding system.
Pneumatic Conveying technology can also be used for the efficient transportation of dusts from ESPs, filters or bag-houses in a clean, closed pipe system.
For Kiln Burner Fuel Injection
As Pneumatic Injection technology can inject at higher pressures this enables longer injection distances to be possible compared with traditional injection technologies. This offers the opportunity to reduce infrastructure, construction and operating costs.