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If your exhaust air flows are damp and contaminated with gases, our venturi scrubber will clean them safely and efficiently.

Venturi scrubbers

Exhaust air cleaning

Venturi scrubbers are a proven, industry wide solution for air pollution control. Our HNA venturi scrubber can reliably remove dust from damp exhaust air flows. This wet scrubber is designed for clean gas dust contents of below 5.0 mg/m³ with reasonable energy expenditure. The scrubbing liquid is treated and cleaned via automatic belt filters or time-controlled outlet valves, which empty automatically during the operation of a partial load.

Advantages

  • Safe separation of moist and sticky dusts
  • No risk of condensation
  • Reliable continuous operation
  • Low water consumption
  • Low clean gas dust values
  • Low maintenance and spare parts requirements

Features

  • 24/7 operation
  • Low clean gas dust content <5.0 mg/m³
  • Scrubbing liquid recirculation
  • Belt filter for cleaning the scrubbing liquid
  • Automatic dosage
  • Automatic partial discharge
  • Trace heating for outdoor installation

Markets

  • Tobacco

    We have been an innovative partner to the tobacco industry for over 50 years. We are established worldwide as a system supplier of exhaust air purification and industrial odour reduction systems in the manufacturing of cigarettes. Our pneumatic transport systems, central vacuum cleaning systems and machine cleaning systems are designed to achieve our main goals: environmental protection, energy efficiency and increased yield in the tobacco industry. We continue to innovate in the primary and secondary sectors with effective and patented technologies.

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  • Sugar

    We have been an established partner to the global sugar industry for dedusting and sugar conditioning for decades. Our in-depth process knowledge makes us more than just an equipment supplier for many of our customers. As a process solution partner, we develop individual concepts together with our customers – perfectly matched to the specific requirements and circumstances.

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References

Sugar // Nigeria

Application
Dryer exhaust at a sugar factory

Equipment
Venturi wet scrubber HNA450/600

  • Air volume: 55,000 m³/h
  • Air temperature: 40-60°C
  • Raw gas dust content: 60,000 mg/m³

Feature
Two-stage venturi for high dust loading

Tobacco // Thailand

Application
Extraction of primary tobacco processing in Thailand

Equipment
Venturi scrubber HNA130/170 for lamina line

  • Air volume: 15.000 m³/h
  • Air temperature: 70-80°C
  • Clean gas dust content: < 10.0 mg/m³
  • Ammonia reduction

Venturi scrubber HNA450/600 for Burley line

  • Air volume: 50.000 m³/h
  • Air temperature: 70-80°C
  • Clean gas dust content: < 10.0 mg/m³
  • Ammonia reduction

Venturi scrubber HNA170/220 for stem line

  • Air volume: 20.000 m³/h
  • Air temperature: 150-200°C
  • Clean gas dust content: < 10.0 mg/m³
  • Ammonia reduction

Features

  • pH measurement and acid dosage
  • Automatic partial emptying with conductivity measurement

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