Haarup supplies reliable filters for cement silos and mixers.
When cement is filled into a cement silo, the filter protects the environment from dust.
The filter is installed at the top of the silo. Haarup supplies a special steel flange with a labyrinth seal to ensure that rain does not penetrate the filter.
The filter can also be fitted on a mixer. When filling 1 m³ of materials into a concrete mixer in four seconds, 1 m³ of air is displaced. This creates excess pressure in the mixer which is relatively airtight creating a risk of water being pushed into the mixer's gear.
Haarup has developed a system for solving the dust extraction problem by starting the extraction ventilator before materials are added. This creates a slight vacuum which minimizes the amount of air displaced from the mixer.
Haarup's can supply dust filters for all mixer sizes and the filters can be adapted to local conditions.
