Air classification - Import export

The airtightness of outside windows and doors is an important criterion for achieving an airtight building envelope. The Window and Door Measurement System developed by BlowerDoor GmbH allows you to determine the joint permeability of building components in a simple and accurate way. On the basis of the measurement results windows and doors can be classified in accordance with EN 12207 (windows and doors, air permeability-classification).

The MICRODYN is an abbreviation of the words "MICROclassificateur DYNamique". It is composed of one or several variable speed classification rotors, clean air for rinsing and a waste discharge spout. It is particularly effective for the production of very fine powder from a pulverulent produced by an existing grinding process. It is fitted as standard on the PAS Integrated Classifier mills. The fine particles are transported by the pneumatic circuit towards a finished product collector (cyclone or filter for finer products). The oversized particles are evacuated out of the circuit along a skirt or through a rotary valve.

At Bezner, we engineer, build and supply a customized <a href="https://www.bezner.com/products/air-separator/">air separator</a> as a component of your recycling installation. Other names you may come across for an air separator are wind sifter (otherwise spelled as wind sifter), wind shifter or air classifier.

The SMA is a mechanical airclassifier, autonomous equipment designed to separate a material of intermediate fineness (0 to 5 mm for instance) or a ground product (0 to 1 mm or less) into two fractions of different finenesses one fine fraction (particles from 0 to 40 microns up to 500 microns); one coarse fraction (from 40 microns to 5 mm for instance). This air classifier can be used either as a classifier operating in an open circuit (for extraction of natural raw material like sand for instance) or in a closed milling circuit, to control the fineness of ground product or to "preclassify" when the classifier is placed after the air separator and grinding oversize only.