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In conventional milking systems the milk tank is filled to ten percent of the tank’s total capacity, before starting to cool the milk. With the average flow rates of 1.6 l/min commonly found in automatic milking systems (AMS), it would take hours to reach that level, depending on the tank size. So DeLaval has developed two unique cooling systems to work with DeLaval voluntary milking system VMS and help ensure your milk quality is preserved.
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This unique cooling solution for DeLaval voluntary milking system VMS is based on our patented concept of flow controlled cooling. Simply put, DeLaval VMS notifies the cooling tank of the volume of milk delivered to it, on a real time basis. |
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The tank adjusts its cooling capacity to suit that milk volume. Milk quality is maintained as milk is cooled to 4°C within a few minutes after extraction with no risk of freezing. |
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Flow controlled cooling helps avoid common problems found on systems not adapted to the realities of automatic milking – like milk freezing, high plate counts, water residues and high freezing points. DeLaval flow controlled cooling FCC links DeLaval VMS to the cooling tank and one of our cleaning and control units – DeLaval T100 through to T250. DeLaval VMS exchanges all relevant alarms with all our T-family of cleaning and control units. Everything is communicated to the milker via the DeLaval VMS display and optional external warning devices.
Imagine you keep your existing cooling tank and you want to keep investment in the cooling system for your DeLaval VMS to a minimum. DeLaval FCC allows DeLaval VMS to communicate with your old tank. If you already have a DeLaval tank with a T-family cleaning and control unit (T100 up to T250), you just need one DeLaval FCC unit per milk tank. Finally, if you already have another brand of cooling tank, you can add a DeLaval T100S standalone cleaning and control unit and a DeLaval FCC per each DeLaval VMS unit. It couldn’t be simpler.
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Buffer controlled cooling systems are designed to work around the clock without human interaction. The new BCC units are available with buffer tanks in 400 L or 800 L sizes so the milking stations can continue milking cows on demand, even when the bulk milk tank is being emptied and cleaned.
BCC units collect milk from one to eight AMS or DeLaval VMS, then send it batch cooled into the storage or cooling tank. This all happens smoothly within minutes after harvesting, using a plate cooler and a frequency controlled milk pump. A wide range of water chillers (are available) to feed the plate cooler. Only cold milk is delivered to the bulk milk tank and the risk of milk freezing or incubating bacteria is virtually non-existent.
The cleaning functions are automatic and are coordinated with the cleaning of the VMS stations. At milk collection time, no part needs to be moved or cleaned manually. The system switches and routes milk and cleaning water by itself, initiated via DeLaval milk room controller MRC and the built-on R125 cleaning and control unit. In case of unexpected errors, the system will send an alert to VMS and the farmer’s mobile phone so preventive action can be taken before a problem occurs. This is real system integration.
We offer three different BCC solutions to meet your farm’s requirements.
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If you can use cold tap water to pre-cool the milk to 3ºC to 4ºC above tap water temperature, you only need a small water chiller to feed the deep cooling section. This is what we call BCC-P solution. It uses two-section plate coolers for pre-cooling and deep milk cooling. |
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If there is not enough tap water for pre-cooling the milk, then go for our BCC-T solution. This uses two medium sized water chillers to feed both plate cooler sections. |
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If you think that big is beautiful, then our BCC-S solution is for you. One large water chiller feeds the one-section deep cooling plate cooler. |
One of the challenges of cooling milk in from any AMS or DeLaval VMS is correctly connecting all the system’s devices so they work in harmony. DeLaval offers needed T-pieces, valves and double outlets in various executions for numerous AMS cooling tank brands and models. For further information, please contact your DeLaval dealer or salesman.
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