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Filters that benefit the environment

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.

Facts

  • Weatherproof material
  • Filter size from 5 to 16 m²
  • Rectangular or round filter elements
  • 0.75-4 kW dust extraction motors

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  • Cement batching
    • Cement silos
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    • Silo Control System
    • Dust filters
  • Water batching
  • Admixture batching
  • Concrete transport
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Haarup Maskinfabrik A/S

Haarup Maskinfabrik A/S
Haarupvej 20
DK-8600 Silkeborg

Phone: +45 8684 6255
haarup@haarup.dk

Haarup North America, Inc.

Haarup North America, Inc.
12695 NE Marx Street
Portland, OR 97230

Phone: +1 503 954 1718
Fax: +1 503 206 8892
haarupna@haarup.com

Products

Aggregate filling equipment
Aggregate batching equipment
Mixers and skip hoists
Cement batching equipment
Water batching equipment
Admixture batching equipment
Concrete transport equipment
Control systems
Concrete plants

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