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Region: Europe

Kelvion to participate in Zellcheming Expo

Company says it will be showcasing its energy-saving and waste-recovery solutions for the paper industry


Bochum, Germany, 13 June 2019: Kelvion will be showcasing its energy-saving and waste-recovery solutions for the paper industry at the Zellcheming Expo, from June 25 to 27 in Frankfurt, the company said through a Press communiqué.

Maximum energy efficiency and heat recovery, with minimum waste heat are key goals in the paper and pulp industry, and the company said its effective and flexible solutions for paper production and wastewater cooling can help companies achieve them. Sustainable energy efficiency and process reliability underpin the Kelvion range of plate heat exchangers, air dryers, radiators and cooling towers, the communiqué said.

The company’s gasketed plate heat exchangers of the NF series offer a free flow for all media, the communiqué said. Unlike traditional models with herringbone corrugation, which have tapered flow channels, the channel cross-section of the NF series is always consistent, the communiqué further said. This allows particles to pass through more easily, the communiqué added. The free-flow plate heat exchangers have a regular plate gap of up to 10 mm and a coarsely corrugated plate profile, ensuring a blockage-free operation with fibrous and solid media at high heat transfer performance, the communiqué further added.

According to the communiqué, Kelvion’s brazed plate heat exchangers are used in the paper and pulp production process, for example, for highly efficient heat pumps. They are characterised by their compact design and low investment and operating costs, the communiqué said. Newly shaped flow cells ensure higher turbulence and improved heat transfer, the communiqué added.

According to the communiqué, flow-optimised elliptical-finned tubes as steam-driven air heaters – with optional round-finned tubes – are used to heat the process air. The energy contained in the hood exhaust air is recovered in the exhaust air flow via air/air or air/water stainless steel economisers and fed directly back into the production process, such as for white water heating, the communiqué said. In this way, Kelvion heat exchangers contribute to optimum energy efficiency and sustainability in the production process, the communiqué added.

Additionally, the communiqué  said, through using state-of-the-art design software for thermodynamic and mechanical calculations, Kelvion’s experts design compact radiators and dry coolers, according to customer-specific requirements. Many different sizes and widths, the communiqué said, as well as a large selection of accessories guarantee a tailormade solution for cooling the process water down to the target temperature.

When it comes to cooling towers, the communiqué  said, whether as an open version with axial fan or as a closed version with radial fan, the company’s modular products, with up to 120 m², support efficient and stable cooling performance in the pulp and paper industry. The wastewater inlet temperature can be maintained by means of an appropriate wastewater packing, the communiqué  said, or in conjunction with a plate or free-flow heat exchanger. Corrosion-resistant materials ensure sustainability and a long life cycle, the communiqué added.

According to the communiqué, Kelvion heat exchangers are used along the entire process chain: from oil and water cooling and air preheating for the dryer section, to heat recovery from the dryer hood exhaust air and conditioning of process streams containing particles and fibres. A 360° service package, the communiqué said, rounds off the range.

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