Dairy sector
The FREECOLD solar-powered milk tanks are designed to preserve milk in sunny areas that are poorly connected to the power grid, and particularly under high temperatures.
In this way they fully participate in the development of the production of quality local milk and to increase farmers’ incomes.
100% solar autonomous refrigerated liquids mini-tank
Specially designed for smallholder farmers of milk, juices, or drinks, this mini-tank is a 50-liter model which cools half its volume down to 4°C in just 3 hours.
Powered by 100% direct solar energy, without any regulator or converter, battery-free, the patented Freecold Ecotainer ensures cooling of the evening milking and quality of the cold during the night.
It is complemented by an automatic germicidal device with UV-C ultraviolet radiation disinfects in few minutes the aluminum inner tank to more than 99% of bacteria and viruses.
Discover the latest FREECOLD innovation: the 50-liter solar mini tank
Solar milk tanks: 125L, 225L, 330L, 500L and 800L
Our solar milk tanks can store two milkings enough time to process or sell the milk. Their thermal insulation and their high cooling capacity allow them to cool the volume of a milking to a temperature of 4°C within 2 hours, with a 35°C outside temperature.
Special features
Our milk tank is powered:
- During the day using the photovoltaic solar plant
- In the night and the days without sun via batteries stocking solar energy
- A connection to the electric grid is possible if available
The FREECOLD electrical cabinet optimizes power management according to the power available at the input (PV, batteries, …), and output requirements (milk tank, battery charging). This guarantees a high quality power supply by prioritizing solar energy before using other sources.
Technical characteristics
- Rounded corners, polished welds and the stainless steel bowl guarantee hygiene and food safety.
- A 45 mm insulation layer limits heat loss from the tank.
- The stirring device of the milk makes it possible to homogenize the temperature and the fats in the whole tank, while nevertheless avoiding foaming.
- The photovoltaic modules simultaneously power the cooling unit and recharges the batteries, thus guaranteeing the autonomy of the installation.
- Batteries make it possible to smooth the intermittences of the solar source and to supply the system at night and on days without sun.
- Openwork side panels allow the heat of the refrigeration unit to escape while preventing the intrusion of small animals and rodents inside the system.
- Complete emptying of the tank is possible using a stainless steel outlet valve.
Download the presentation sheet of 125L, 225L, 300L, 500L and 800L FREECOLD milk tanks
Solar pasteurizers: 60L, 100L and 300L
To preserve milk and juices for a long time, the best solution is pasteurization. Without it, food waste and financial losses are almost inevitable, especially for farmers and transformers without access to the electricity grid. This is why FREECOLD has developed pasteurizers powered 100% by solar energy.
Pasteurization requires heat treatment. Our pasteurizers perform this function without involving a solar installation that is too heavy and expensive. Indeed, its power allows it to bring milk or juices to a configurable temperature of up to 95°C without needing too much power.
In addition, the solar pasteurizer is easily attached to a FREECOLD milk tank. This pooling of resources makes it possible to limit the surfaces of solar panels and the number of batteries.
Special features
- All stainless steel, the tank with a total capacity of 60, 100 or 300 liters has a smooth inner wall, rounded corners and polished welds for optimal conditions of hygiene and food safety.
- Heating and cooling is done in a water bath by water circulation in the double wall of the pasteurizer.
- The heating unit is coupled to the electronic control panel for easy regulation of the pasteurization process.
- The stirring device of the milk makes it possible to homogenize the temperature and the fats in the whole of the tank.
- Complete emptying of the tank is possible using a stainless steel outlet valve.
- A temperature controller with immersed sensor guarantees optimal pasteurisation conditions.
- The pasteurizer comes with 6 photovoltaic modules to increase the power of the FREECOLD milk tank solar plant. The pooling of available energy between the pasteurizer and the milk tank gives access to the solar batteries of the tank to smooth the intermittences of the solar source.
Download the presentation sheet of pasteurizers in 60L, 100L and 300L
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