subject: Bulk Milk Cooler, Milk Chillers,milk Storage Tanks [print this page] In dairy farming a bulk milk cooling tank is a large storage tank for cooling and holding milk at a cold temperature until it can be picked up by a milk hauler. The bulk milk cooling tank is an important piece of dairy farm equipment. It is usually made of stainless steel and used every day to store the raw milk on the farm in good condition. It must be cleaned after each milk collection.Raw milk producers have a choice of either open (from 700 to 20000 litres) Bulk cooling tanks.
A milk cooling tank, also known as a bulk tank or milk cooler or bulk milk chillers,Milk Chillers.
Bulk Milk Coolers consists of an inner and an outer tank, both made of high quality stainless steel.
The space between the outer tank and the inner tank is isolated with polyurethane foam. In case of a power failure with an outside temperature of 30C, the content of the tank will warm up only 1C in 24 hours.
To facilitate an adequate and rapid cooling of the entire content of a tank, every tank is equipped with at least one agitator. Stirring the milk ensures that all milk inside the tank is of the same temperature and that the milk stays homogeneous.
On top of every closed milk cooling tank is a manhole. This enables thorough cleaning and inspection of the inner tank if necessary.A milk cooling tank usually stands on 4, 6, or 8 adjustable legs. The built-in tilt of the inner tank ensures that even the last drop of milk will eventually flow to the outlet.
At the bottom, every milk cooling tank has a threaded outlet, usually including a valve.All tanks have a thermometer, allowing for immediate inspection of the inner temperature.Most tanks include an automatic cleaning system. Using hot and cold water, an acid and/or alkaline cleaning fluid, a pump and a spray lance will clean the inner tank, ensuring an hygienic inner environment each time the tank is emptied.
Almost every tank has a control box. It manages the cooling process by use of a thermostat. The user can turn the system on and off, allow for extra and immediate stirring, start the cleaning routine, and reset the entire system in case of a failure.
New advanced and bigger milk cooling tanks are now being equipped with monitoring and alarm systems. These systems guard temperature of the milk inside the tank, check the functioning of the agitator, the cooling unit and temperature of the cleaning water. In case of malfunctioning of any of these functions, the alarm will activate. The monitoring system will also keep a record of the temperature and of all malfunctions for a given period.
Bulk tank should be easily accessible by large bulk collection tankers and positioned so that the tanker approaches can be kept clean and free from cow traffic at all times.
Although tanks have been calibrated when first installed, bulk tank miscalibration is not uncommon and in some cases it can result in significant loss of income.
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