At the Heart of the Largest Smolt Facility in Norway

Nordlaks is a Norwegian totally integrated company that produces, processes, and sells Atlantic salmon and rainbow trout worldwide. It has recently completed the building of a new smolt facility for fish up to 1 pound at Innhavet in Hamarøy municipality. This RAS (recirculating aquaculture system) fish farm is the biggest of its type in Norway, with a particular give consideration to 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 have been provided by Sulzer.
PROJECT DATA
Fifty AHLSTAR and BE recirculation pumps (continuous duty) in water remedy 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
เกจไนโตรเจนsumo has thirty-four fish tanks of different capacities (92,000 to 264,000 gallons) in five separate primary sections. Each part is unbiased from the others and consists of 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 primary suspended strong particles. It then falls into an MBBR (moving mattress biofilm reactor) for TAN (total ammonium nitrogen) discount. After passing by way of a countercurrent degasser for the stripping of nitrogen and carbon dioxide, the handled water is finally pumped to some head tanks, prior to oxygenation and return to the fish tanks.
In every fish tank, the water is totally renewed each half an hour. The well-being of the smolts is highly depending on a relentless circulate of water by way of the ability. The reliability of the recirculation pumps is, therefore, of paramount significance.
High overall power performance of the RAS plant means a greater environmental footprint and decreased operating prices. Consequently, the main parts of the water treatment loops should have top-class efficiencies, significantly the recirculation pumps.
THE SOLUTION
As a long-term provider of equipment (pumps and turbines) to different Nordlaks crops, Sulzer was concerned at an early stage of the model new challenge. In collaboration with the Momek Group, a large industrial service provider in Scandinavia, the pumps had been fastidiously chosen, not solely to fulfil the requirements during the guarantee interval, but to run optimally and economically during the entire lifetime of the location. For the recirculation of the brackish water, fifty AHLSTAR and BE process pumps in duplex material have now been put in and are operating constantly. In addition, five VUPX submersible propeller pumps are used on intermittent responsibility 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 companion, the client made positive to get quick and everlasting technical support, in addition to the best products. The recirculation pumps have the following major advantages:
Extremely excessive hydraulic efficiencies that by far exceed the strictest energy rules for water pumps. This means huge vitality financial savings over time and smaller whole cost of ownership, obligation points close to BEP (best effectivity points), low rotation speeds, and rigid baseplates grouted in concrete. The pump units are working easily with minimized vibration levels. Superior-grade material is used for all wetted elements. For the selection of pump material involved with brackish water, the long-term perspective favored duplex chrome steel somewhat than 316SS. Duplex steels have higher design energy than austenitic stainless steels, as nicely as higher corrosion, abrasion, and pitting resistance. In the end, maintenance prices and the danger of downtime are decreased.
Sulzer is a recognized provider within the fish farm market, with innovative and confirmed pumping, mixing, and aeration solutions, and provides highly energy-efficient merchandise with low life-cycle costs and the smallest possible environmental footprint. As a cloth specialist in a variety of recent water, brackish water, seawater, and brine functions, we will provide pumps in forged iron, 316 chrome steel, duplex, super duplex, SMO, and so on. .
Water remedy system course of chart.
FOR MORE INFORMATION
For extra data on Oerlikon Balzers and their family of DLC surface solutions, please go to https://www.oerlikon.com/balzers/us/en/portfolio/balzers-surface-solutions/.
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