WITRON - STEEL CONSTRUCTION
Hall extraction & extraction arms for welding fumesWITRON - STEEL CONSTRUCTION
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WITRON Stahlfertiger GmbH & Co KG produces over 6,000 tons of steel every year. As a close partner of the internationally active logistics system provider WITRON, they realize central components for their highly automated logistics solutions.
As part of the modernization of infrastructure and production, occupational health and safety measures were also specifically expanded, supported by our solutions for clean and safe production environments.
Welding workstations with direct extraction via extraction arms were set up for three halls of the steel construction company and supplemented by an automatic hall extraction system. In addition, two mobile extraction hoods on a welding robot were technically optimized, as the smoke was previously insufficiently extracted and spread uncontrollably in the hall. Due to the location in a mixed-use area, a maximum noise level of 65 dB(A) also had to be complied with. Challenges that we solved reliably.
INDUSTRY
Steel production
PROCESSES
Welding (MAG)
Robot welding
MEDIA
Welding fumes
Requirement:
- 2-fold extraction of welding fumes directly via extraction arms and centrally via a hall extraction system
- Technical optimization of two mobile extraction hoods
- Outdoor installation of the systems
- Sound level < 65 dB(A)
- Fresh air supply
- Energy efficiency with heat recovery
- Remote maintenance
Orange = The contaminated extract air is extracted and filtered.
Green = The clean supply air enriched with fresh air is fed back into the hall.
Our extraction solution:
Extraction arms + hall extraction system
To ensure an efficient workflow, the workstations are equipped with extraction arms and a piping system for hall extraction on the ceiling. Employees can conveniently control the extraction in their area themselves using a toggle switch, allowing them to use either the extraction arms or the hall extraction system.
Extensive
sound insulation
In order to keep the sound level constantly below 65 dB(A) even at maximum power, various sound insulation elements were installed in the piping system and systems.
Energy-saving ventilation principle
The intelligent control system automatically regulates the fresh air supply, recirculation mode and the system output. This keeps the air quality constant all year round, preserving heat in winter and exchanging it for cooler fresh air in summer.
Result:
✓ 2-fold extraction solution
In the designated work areas, employees can choose between hall extraction or direct extraction. The Push-Pull-Plus principle ensures complete filtration of the hall air without any draught effect.
✓ Future-proof planning
The extraction systems have a flexible design and can provide a higher motor output if required, so that additional workstations can be easily integrated into the extraction system.
✓ Safe operation
The extraction systems meet the legal requirements for occupational safety, dust limits and noise protection and have been approved by TÜV Süd. Dirt and noise remain outside the hall.
Too good to be true!
»The solution was so practical and technically simple that...
Gerhard Braun
WITRON Stahlfertiger GmbH & Co. KG
We support our customers from A to Z: personal advice, technical design, planning of the pipe system, production, installation, piping, commissioning, maintenance and after-sales.
TECHNICAL DATA
- Systems: 2 R 7000 series fume filters
- Performance: 37 kW
- Max. Air volume: 30,500 m³/h
- Air flow: Extract air + fresh air
- Installation: Outdoor area
- Filter: Cartridge filter
- Control system: Siemens LOGO! 8 8 with frequency inverter + SO/WI changeover
- Captures: Push-Pull-Plus piping system + 12 extraction arms
- Discharge: Deduster 15 L
- Piping system: 406 m spiral duct
- Fully automatic jet pulse cleaning
- Fire protection with powder extinguishing system
- Mechanical non-return flap
- Sound insulation
TECHNICAL DATA
- Systems: 2 R 4000 series fume filters,
- Performance: 18.5 kW
- Max. Air volume: 23,000 m³/h
- Air flow: Extract air + fresh air
- Installation: Outdoor area
- Filter: Cartridge filter
- Control system: Siemens LOGO! 8 8 with frequency inverter + SO/WI changeover
- Captures: Push-Pull-Plus piping system + 6 extraction arms;
also 2 extraction hoods for welding robots - Discharge: Deduster 15 L
- Piping system: 363 m spiral duct
- Fully automatic jet pulse cleaning
- Sound insulation
ADVANTAGES AT A GLANCE
- Double protection through alternating direct extraction and hall extraction
- Combined air flow: energy-saving recirculation and exhaust air operation with fresh air supply
- Intelligent control for energy-saving operation
- Flexible system: open for the integration of additional extraction elements and production expansions
- 4 instead of 18: extraction capacity bundled in just four units instead of one welding fume filter per workstation
Our product recommendation for steel fabricators
FUME FILTER SERIES
HALL EXTRACTION
ATEX DEDUSTER
ABSAUGWERK offers first-class extraction solutions for the manufacturing industry that protect people, machines and the environment. We are proud to make workplaces safer and cleaner with our systems. In this way, we actively contribute to the protection of employees, extend the service life of machinery and reduce the environmental impact.