Howden - Rotary Heat Exchangers
Air Preheater
Rotary Heat Exchangers
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Rotary regenerative air preheaters have a much reduced size and cost relative to recuperative tubular or plate heat exchangers.
Howden’s air preheaters are engineered to meet the demands of your application. We manufacture our air preheaters in modern facilities based around the world and produce bisector, trisector and quadsector arrangements. We can also provide packaged solutions in either vertical or horizontal alignment.
Our proven VN sealing system ensures that Howden heaters have minimal leakage and thus significantly reduce your operating costs. Other benefits of the VN design include a central drive system, advanced cleaning systems and enhanced maintainability.
Using specialised software we can model and accurately predict the operational and cost advantages of our proposals. Environmental considerations and energy costs make it more important than ever to ensure air preheaters are working at optimised levels.
Key Services
- Bisector, trisector and quadsector arrangements
- Vertical or horizontal alignment
- Wide range of element profiles available based on our own design
- VN sealing system
- Central drive system
- Advanced cleaning systems
Benefits
- Flexible configurations to best suit site and duty
- Element range offers the right balance of thermodynamic performance, pressure drop and ease of cleaning for any situation
- Howden heaters have minimal leakage and thus significantly reduce your operating costs
- Enhanced maintainability
Gas Heater
Rotary Heat Exchangers
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Howden supplied some of the world’s first FGD systems in 1934, and since then Howden has become a leading supplier of gas gas heaters.
The Howden VN design concept is ideally suited to the FGD Gas Gas Heater application. Judicious selection of materials, together with advanced design features result in a heat exchanger with exceptional resistance to the cool, moist acidic conditions of FGD plant, where fouling and corrosion are a constant challenge.
Gas gas heaters can be custom designed and optimised to suit arrangement and client preference. If the GGH is being mounted directly on top of the FGD Absorber, construction of the GGH at ground level and a single lift can reduce costs.