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At the Heart of the Largest Smolt Facility in Norway

Nordlaks is a Norwegian fully built-in company that produces, processes, and sells Atlantic salmon and rainbow trout worldwide. It has lately completed the building of a model new smolt facility for fish as much as 1 pound at Innhavet in Hamarøy municipality. This RAS (recirculating aquaculture system) fish farm is the largest of its sort in Norway, with a special focus on smolt welfare. The land-based facility has state-of-the-art tools for optimal biosecurity and sustainability. At the center of the RAS course of, all recirculation pumps were supplied by Sulzer.
PROJECT DATA
Fifty AHLSTAR and BE recirculation pumps (continuous duty) in water therapy loops. The dry-installed single-stage overhung pumps are equipped with semi-open impellers and single mechanical seals.
Five VUPX-0402 (602,312 gallons per hour at 10 toes of head) submersible propeller pumps (intermittent duty) for the emptying of fish tanks.
THE CHALLENGE
The Innhavet RAS plant has thirty-four fish tanks of various capacities (92,000 to 264,000 gallons) in five separate primary sections. Each part is unbiased from the others and contains its own complete water therapy system in a semi-closed loop (98 percent recirculation plus 2 p.c make-up water). The brackish water from the fish tanks first flows by gravity to a rotating drum filter for the removing of the main suspended solid particles. It then falls into an MBBR (moving mattress biofilm reactor) for TAN (total ammonium nitrogen) reduction. After passing via a countercurrent degasser for the stripping of nitrogen and carbon dioxide, the treated water is lastly pumped to some head tanks, previous to oxygenation and return to the fish tanks.
In each fish tank, the water is totally renewed every half an hour. The well-being of the smolts is very dependent on a continuing circulate of water via the ability. The reliability of the recirculation pumps is, therefore, of paramount significance.
High total energy performance of the RAS plant means a greater environmental footprint and reduced working prices. Consequently, the principle parts of the water therapy loops will need to have top-class efficiencies, significantly the recirculation pumps.
THE SOLUTION
As a long-term supplier of equipment (pumps and turbines) to different Nordlaks plants, Sulzer was involved at an early stage of the brand new challenge. In collaboration with the Momek Group, a large industrial service supplier in Scandinavia, the pumps had been carefully chosen, not only to fulfil the requirements during the warranty interval, but to run optimally and economically during the entire lifetime of the positioning. For เกจวัดแรงดันแบบแห้ง of the brackish water, fifty AHLSTAR and BE course of pumps in duplex materials have now been put in and are operating repeatedly. In addition, 5 VUPX submersible propeller pumps are used on intermittent duty when the fish tanks are emptied in the course of the switch of smolts.
New Nordlaks fish farm in Innhavet, Norway.
CUSTOMER BENEFIT
By choosing to work with a trusted partner, the consumer made sure to get quick and everlasting technical assist, along with one of the best products. The recirculation pumps have the following main advantages:
Extremely excessive hydraulic efficiencies that by far exceed the strictest power rules for water pumps. This means big power savings over time and smaller total cost of possession, responsibility points near BEP (best efficiency points), low rotation speeds, and rigid baseplates grouted in concrete. The pump models are working smoothly with minimized vibration levels. Superior-grade materials is used for all wetted parts. For the choice of pump materials in touch with brackish water, the long-term perspective favored duplex stainless steel quite than 316SS. Duplex steels have higher design energy than austenitic stainless steels, as properly as larger corrosion, abrasion, and pitting resistance. In the top, maintenance costs and the risk of downtime are lowered.
Sulzer is a recognized supplier in the fish farm market, with revolutionary and confirmed pumping, mixing, and aeration options, and provides extremely energy-efficient products with low life-cycle costs and the smallest possible environmental footprint. As a material specialist in a broad range of recent water, brackish water, seawater, and brine applications, we are ready to supply pumps in forged iron, 316 stainless steel, duplex, tremendous duplex, SMO, etc. .
Water therapy system course of chart.
FOR MORE INFORMATION
For more info on Oerlikon Balzers and their family of DLC floor options, please go to https://www.oerlikon.com/balzers/us/en/portfolio/balzers-surface-solutions/.
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