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The Solution
The FOG SYSTEM is a high-pressure water atomizing system, that breaks water down to droplets, that are in the 10-micron size range (that's about 1/10th the diameter of a single strand of human hair). These FOG droplets are so small that they remain airborne and fully evaporate in the air. This allows you to maintain up to 100% Relative Humidity without actually wetting things in the storage area. Thus, with the Relative Humidity matching vapour pressure within the barrels, the vapour migration occurring in mechanically cooled warehouse is substantially reduced. This reduces the need for topping off by at least half.
The secret is the FOG. The resultant FOG spreads inside areas as dictated by the spray nozzle placement. It cools and humidifies throughout the full range of its movement. The desired level of humidity is kept constant by aspirated dry bulb/wet bulb Humidistat controls. Thus temperature and humidity gradients are eliminated.
Spirit makers across the world using FOG SYSTEM have reported, that the savings paid for the system in less than a year.
Spirit Calculation
The system delivers water droplets in the region of 10-30 microns, which is required to keep the humidity level at desired level and to eliminate evaporative losses.
The drop in temperature achieved due to the evaporative cooling also helps in reducing the evaporative losses.
A brief Calculation in support for the need to install FOG SYSTEM for HUMIDIFICATION:
A typical Barrel contains 200 Lts of spirit.
There is an evaporative loss of 15% annually, which comes to 30 Lts.
Taking Cost per lt of spirit as Rs. 100/-.
The loss comes to Rs. 3000 / barrel / year.
So, if there are 4500 barrels, there will be a total loss of Rs. 1,35,00,000/-per year.
Considering the cost of the Fog system and its running cost, the payback for the system is within first six months of its installation. And after that you start saving a very large substantial amount, every year, each year.
Spirit Storge
Spirit makers throughout the world have always suffered large losses in barrel rooms due to low humidity levels. The "New World" wines from the Americas and Australia have not had the benefit of large underground wine cellars with naturally high humidities. They have had to move to modern-day constructions and create artificial environments with humidity levels as low as 5%.
Spirits in barrel rooms can lose up to 15% volume per year due to fluctuations in humidity levels. "Topping-Off" is an exhausting and time-consuming process that can be reduced with our FOG humidification system. Oak barrels in use or in store suffer from the swings in humidity and can be damaged even before use.
We have specifically developed our humidification system for barrel rooms. Expertly designed, tailor-made systems are installed in the barrel room to accurately maintain the humidity around 85%. Nozzle lines are mounted in the house to give an equal distribution of the humidity. The system leaves no wetting of the floors or barrels when in operation and does not affect the stored wine.
The Fog system humidifies and cools the barrel room reducing losses to 1 or 2% per year, drastically reducing the labor involved in "Topping-Off".
The technology has been accepted and appreciated by one and all across the world.
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