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Dust emissions in the off-gas system

Steel plants are equipped with off-gas systems that are used to exhaust furnaces, factory buildings, etc. As the furnace dust loads and the buildings’ exhaust rates increase, each requires a large filter system. In most cases, these two exhaust loads are mixed together and the resulting treated gas amounts to several hundred thousand cubic meters per hour. Huge filters are therefore used in the exhaust process but these must be monitored by dust measurement devices to strictly adhere to the given emission limits.

  • Following product families can be used
    Product family DUSTHUNTER SF100
    The cross-duct dust measuring device with forward scattered light measurement
    • For very low to medium dust concentrations
    • Contamination check
    • Automatic check of zero and reference point
    • For medium to large duct diameters
    Product family DUSTHUNTER T200
    The type approved transmissiometer with self-alignment function
    • Integrated contamination check for sender/receiver and reflector unit
    • Automatic self-alignment of the optical assembly
    • Automatic check of zero and reference point
    • For medium to high dust concentrations
    • For small to large measuring distances
    Product family DUSTHUNTER T100
    The type approved transmissiometer with emission monitoring
    • For medium to high dust concentrations
    • On-board contamination check
    • Automated thorough check of zero and reference point
    • For small to large measuring distances
    Product family DUSTHUNTER SP100
    Probe design with forward scattered light measurement
    • One-side installation
    • For very low to medium dust concentrations
    • Automatic check of zero and reference point
    • Contamination check
    • Hastelloy probe available for corrosive gas environments
    • For small to medium duct diameters
    • Device type for hazardous area Zone 2
    Product family DUSTHUNTER SB100
    The type-approved dust measuring device with reverse scattered light measurement
    • For very low to medium dust concentrations
    • One-sided installation
    • Contamination check
    • Automated thorough check of zero and reference point
    • Automated compensation of background radiation, therefore no light absorber required
    • For medium to large duct diameters
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