Heat Pumps and Chillers in Aquauclture
Heat Pumps and Chillers in Aquaculture
Aquaculture, also known as fish farming, is a rapidly growing industry that requires proper temperature control to maintain fish health and facilitate growth. Heat pumps and chillers in aquaculture are two of the most commonly used methods for heating and cooling water in aquaculture systems.
Heat pumps are generally more energy-efficient and cost-effective than other heating methods. They also save from 50 to 70% in running costs over other forms of heating. The two main types include water-sourced and air-sourced heat pumps. Each has its own pros and cons.
Water source heat pumps use stable water temperatures from ponds, lakes, wells, and even from the ground in the form of Geothermal loops, to provide heating and cooling. However, the sources must have sufficient water volume and flow rates to meet the system requirements.
Air-source heat pumps are less predictable than water-source heat pumps because air temperatures fluctuate constantly. However, selecting the right size heat pump for your location’s climate can ensure great success and efficiency from air-sourced heat pumps.
Heat pumps can be set up as heaters as chillers or sometimes even as dedicated chillers. As chillers, they can help lower water temperatures in warmer climates, which reduces the risk of oxygen depletion and disease in fish farms. As with heat pumps, there are two types of chillers used in aquaculture: air-cooled and water-cooled. Air-cooled chillers are more commonly used for smaller-scale operations while water-cooled chillers are more efficient and effective for larger-scale systems but require a continuous supply of cool water.
Reverse-cycle heat pumps are however the best system selection allowing the benefit of both heating and cooling and assisting in maintaining the water temperature all year round.
In non-recirculating aquaculture projects where the water is mostly flowing through, water-to-water heat exchangers can be used to capture the waste heat energy leaving the tanks and preheating incoming water. Quite often the use of heat exchangers can reduce the heat load by half.
The great thing about using these heat exchangers is that there are no running costs. It is relatively speaking free energy once installed. You only then need to use a heat pump to bridge any shortfall. Thus saving a lot of money on equipment and ongoing running costs.
In conclusion, heat pumps and chillers in aquaculture as well as heat exchangers play an important role in maintaining optimal water temperature in aquaculture systems. The type of heating and cooling system used is based on the scale of the operation, water sources, and the climate. Factors to be considered while employing these systems include cost, energy efficiency, and maintenance requirements.
Want to Know More
Toyesi has been supporting the Aquaculture industry for over 10 years and has been building heat pumps and chillers for over 30 years. Our Trident range of aquaculture heat pumps was specifically designed with aquaculture salt and freshwater projects in mind. We understand that this is not just a swimming pool, but living animals and your livelihood. We take the time to select the right equipment and build our units to last relatively trouble-free for up to 20-plus years.
If you want to know more about Toyesi’s aquaculture solutions you can jump over to our Tridenat product page for specifications CLICK HERE.
Brand’s of Toyesi
Sample collection of Toyesi & Trident Heat Pumps and Chillers..
If you want to now how Toyesi can help you and your water or pool heating project increase energy efficiency, reduce running costs or minimise your waste energy then give us a call.