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Milk Cooling Tanks

Code : MCT

We manufacture a wide range of Milk Cooling Tanks / Bulk Milk Coolers / Milk Chillers both Direct Expansion and Ice Bank type. After the end of milking the good quality of the milk should be preserved by cooling it as fast as possible. To satisfy this requirement Dairy n Pack offers a range of cost effective milk cooling tanks suitable for different size farms.

Direct expansion cooling
This is the most common milk cooling system. The bottom of the tank has been designed as an evaporator, while the heat of the milk goes through the stainless steel wall to the refrigerant. The refrigerant evaporates, which takes the heat away from the milk. Since direct expansion tanks do not have a cold buffer, energy must always be available. In this type of system, the milk is cooled directly and agitated after arrival in the tank.

Ice Bank cooling
In indirect cooling systems, the evaporator is situated in a reservoir filled with the heat carrier, which is mostly water. The evaporator consists of a system of coils or pipes in which the cooling medium evaporates and cools the heat carrier.

The biggest advantage of an ice bank system is that it allows the cooling capacity to be stored in an isolated reservoir with a heat carrier and cold buffer or ice buffer . In areas where there is not sufficient energy, an ice bank system provides an efficient cooling solution. The formation of ice around the pipes in the reservoir forms the cold buffer that can be used for cooling the milk. The cold buffer makes it possible for cooling in areas where energy in peak times is more expensive, or where the use of electricity is limited, and means that the cooling system can be turned off to avoid an energy rush during milking. The production of cold can occur in periods when energy is inexpensive, and can be extended over a longer period, enabling a small compressor to be used.

The energy efficiency of the indirect system is lower than that of the direct system, because cooling of the carrier demands extra energy. The energy consumption of an ice bank cooler is 23 W/l. There are two types of chilled water equipments. The first is the ice builder, which accumulates ice between milking using a small condensing unit that runs up to 18 hours a day. The second is the package chiller, which has a large condensing unit that runs only during milking.

Open Top Tank

Tank Size ( Litres) Maximum Capacity (Litres) Width (mm) Length tank only (mm) Approx. Length Tank & units (mm) Height to top on motor (mm)
250 260 800 960 1415 1100
500 530 1010 1390 1940 1220
1000 1050 1175 1900 2530 1260
1500 1580 1260 2580 3430 1320
2000 2100 1500 2580 3490 1320

Enclosed Tank

Tank Size ( Litres) Maximum Capacity (Litres) Width (mm) Length tank only (mm) Approx. Length Tank &units (mm) Height to top onmotor (mm)
1500 1580 1320 1905 2425 1780
2000 2100 1320 2270 2790 1780
2500 2625 1320 2730 3250 1780
3000 3150 1320 3190 3710 1780
3500 3675 1630 2490 3040 2095
4000 4200 1630 2780 3330 2095
5000 5250 1630 3360 3960 2095

Note : For installation the height can be reduced by approximately 220mm, by removal of agitator motor, legs and ladder.

Evaporator Plates
Fully spot and seam Welded. CNC resistance welded, designed for optimum performance and will accept the next generation of refrigerants.

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