At the Heart of the Largest Smolt Facility in Norway

Nordlaks is a Norwegian totally built-in company that produces, processes, and sells Atlantic salmon and rainbow trout worldwide. It has recently accomplished the constructing of a new smolt facility for fish up to 1 pound at Innhavet in Hamarøy municipality. เครื่องมือวัดความดันคือ (recirculating aquaculture system) fish farm is the largest of its sort in Norway, with a special give attention to smolt welfare. The land-based facility has state-of-the-art tools for optimal biosecurity and sustainability. At the guts of the RAS process, all recirculation pumps had been supplied by Sulzer.
PROJECT DATA
Fifty AHLSTAR and BE recirculation pumps (continuous duty) in water remedy loops. The dry-installed single-stage overhung pumps are geared up with semi-open impellers and single mechanical seals.
Five VUPX-0402 (602,312 gallons per hour at 10 feet 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 different capacities (92,000 to 264,000 gallons) in 5 separate major sections. Each part is impartial from the others and includes its personal full water therapy system in a semi-closed loop (98 p.c 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 principle suspended stable particles. It then falls into an MBBR (moving bed biofilm reactor) for TAN (total ammonium nitrogen) reduction. After passing through a countercurrent degasser for the stripping of nitrogen and carbon dioxide, the handled water is finally pumped to some head tanks, previous to oxygenation and return to the fish tanks.
In each fish tank, the water is absolutely renewed every half an hour. The well-being of the smolts is very depending on a continuing flow of water through the facility. The reliability of the recirculation pumps is, subsequently, of paramount significance.
High total energy performance of the RAS plant means a better environmental footprint and reduced operating prices. Consequently, the primary parts of the water remedy loops should have top-class efficiencies, notably the recirculation pumps.
THE SOLUTION
As a long-term supplier of apparatus (pumps and turbines) to other Nordlaks vegetation, Sulzer was involved at an early stage of the model new project. In collaboration with the Momek Group, a big industrial service supplier in Scandinavia, the pumps had been fastidiously chosen, not only to fulfil the requirements through the warranty period, however to run optimally and economically during the entire lifetime of the positioning. For the recirculation of the brackish water, fifty AHLSTAR and BE course of pumps in duplex materials have now been installed and are working constantly. In addition, five VUPX submersible propeller pumps are used on intermittent obligation when the fish tanks are emptied in the course of the transfer of smolts.
New Nordlaks fish farm in Innhavet, Norway.
CUSTOMER BENEFIT
By selecting to work with a trusted partner, the consumer made certain to get quick and permanent technical assist, in addition to the most effective products. The recirculation pumps have the next main advantages:
Extremely excessive hydraulic efficiencies that by far exceed the strictest energy rules for water pumps. This means huge energy savings over time and smaller total price of ownership, responsibility points close to BEP (best effectivity points), low rotation speeds, and inflexible baseplates grouted in concrete. The pump models are working easily with minimized vibration ranges. Superior-grade materials is used for all wetted elements. For the selection of pump material in contact with brackish water, the long-term perspective favored duplex stainless steel somewhat than 316SS. Duplex steels have higher design strength than austenitic stainless steels, as properly as greater corrosion, abrasion, and pitting resistance. In the top, maintenance costs and the chance of downtime are decreased.
Sulzer is a recognized provider within the fish farm market, with innovative and confirmed pumping, mixing, and aeration options, and offers extremely energy-efficient merchandise with low life-cycle prices and the smallest possible environmental footprint. As a material specialist in a broad range of recent water, brackish water, seawater, and brine applications, we can supply pumps in cast iron, 316 stainless-steel, duplex, tremendous duplex, SMO, and so forth. .
Water treatment system process chart.
FOR MORE INFORMATION
For more info on Oerlikon Balzers and their household of DLC floor options, please go to https://www.oerlikon.com/balzers/us/en/portfolio/balzers-surface-solutions/.
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