The KREISEL metering system was designed formetering fuels such as pulverised coal, ligniteor petcoke into burners. The KREISEL DosFeed metering system was designed to comply with the high requirements on metered and lowpulsation conveying. The main focus during development involved a simple constructive design, long service life and high metering accuracy.
The point of intersection to the dosing system is the drain rotary valve behind the silo. Normally the valve is manufactured as an explosion proofsystem according 94/9/EG (ATEX), flameproof and pressure shock resistant. The rotary valve feeds the bulk matearil to a calibration device with tank. The rotary valve feeds the bulkmaterial to a calibration device with tank. Incorrelation the mass flow will regulated the speed of rotation from the doosing rotary valve.