Fully-Welded Plate Heat Exchanger
MECS® MonPlex II™ gas-to-gas heat exchangers stand up to punishing sulfuric acid conditions. Our proprietary technology yields unsurpassed process conversion efficiencies and energy cost savings for the sulfuric acid industry.
MECS® has been the global leader in the design and construction of sulfuric acid plants for nearly eight decades. Designed specifically for sulfuric acid plants, our MonPlex II™ Fully-Welded Plate Heat Exchanger units are built to deliver optimum heat recovery in sulfuric acid plants. Our unique design can withstand harsh sulfuric acid conditions and improve energy efficiency. Our processes achieve effective and reliable heat transfer, to maintain catalyst bed temperatures necessary for optimal conversion efficiency. Plant energy and process efficiency are optimized, for significant savings and improved cost-effectiveness.
Backed by our decades of sulfuric acid process experience, dedicated MECS® engineers can custom-design and furnish a MonPlex II™ solution to meet your sulfuric acid plant application needs, yielding optimum performance and energy efficiency.
A Modular Design for Robust Performance
All MECS® gas-to-gas heat exchangers — including MonPlex II™ — feature a compact, modular design and long service life. The units are shop-fabricated to ensure quality, and trucked as individual blocks or complete modules. With their compact size and weight, installation and field setup are much simpler than with conventional heat exchangers. The MonPlex II™ Fully-Welded Plate Heat Exchanger is available in both cross-flow and counter-flow configurations. Our modular approach enables us to offer one of the most flexible and efficient flow arrangements available, as well as the freedom to select appropriate materials of construction for each heat transfer zone. It also allows the unit to easily be expanded to accommodate future increases in capacity. And because the MonPlex II™ Fully-Welded Plate Heat Exchanger has no moving parts, it requires less ongoing maintenance.
Unique Design Features and Outstanding Efficiency
Our distinctive units feature a unique plate dimple design that achieves outstanding heat transfer efficiency. The MonPlex II™ Fully-Welded Plate Heat Exchanger consists of a series of stacked, parallel plates that provide a smooth, continuous gas flow path, for minimum air resistance and very low pressure drop. The heat transfer plates are completely seam-welded, to prevent cross-contamination. Spacing is achieved with a combination of raised and depressed conical dimples, which enable a uniform plate pitch and an improved heat transfer coefficient. The height of these dimples can be varied during shop fabrication to establish the desired plate spacing necessary to meet your specific performance parameters. Prior to shipment, each module is leak-tested and rated for 0.01% maximum leakage at the design differential pressure, ensuring straightforward start-up and long service life. The rigid, heavy-duty frame assemblies may be parallel-bundled for additional capacity, and are easy to lift and install.
The MonPlex II™ Fully-Welded Plate Heat Exchanger design offers additional advantages compared to traditional gas-to-gas heat exchangers for sulfuric acid plants:
- Generous plate clearances allow for ease of inspection
- Ability to clean both sides of the heat exchanger
- Outstanding heat exchange efficiency due to plate dimple design
- No tubes to vibrate or to cause acoustic resonance
- Lower surface area requirements than traditional shell and tube heat exchanger designs
- Rigid heavy-duty frame assembly for long service life
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