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    CLIENT

    Jersey Royal Potatos

    INDUSTRY

    Farming and Vegetable Processing

    SOLUTIONS

    Chilled Water for Washing

    TOTAL KW

    70kw cooling 20,000lt buffer tank- Heat Exchanger

    Process Chilled Water System Hire for Jersey Royal Potato’s

     

    A customer success story…

     

    The Challenge;

    Jersey Royal Potato’s approached Climate Rentals for a system to supply chilled water to their washing process at 5 Degrees.

    The potatoes in the summer harvesting months can come in at temperatures in excess of 25 Degrees. Washing in chilled water before packaging cools the potato’s, closing pores and prolongs shelf life. Useful information on potato storage can be found here.

    The washers go through cycles with in excess of 2000lt water refills- three such washers are installed on the site.

     

    The Solution;

     

    Although the cooling capacity was not calculated to be high, the large draw-off for washer filling would not be possible at stable supply temperatures without buffering. ACR designed a system utilising a large 20,000lt potable water tank for supply to the process.

    Plate heat exchangers were specified to isolate between the process and primary chilled water system

    Initially one 100kw plate heat exchanger was installed, however it was found that the full chiller capacity was not being utilised and another was fitted in series. This flexibility neatly illustrates the advantages of a rented system in so much that alterations can be easily made.

    The primary cooling circuit consisted of a 100kw chiller running a 20% glycol/ water mix at -2 Degrees. It was found after extensive testing that this set-point provided optimal usage of the chillers capacity.

    The secondary pumping sets can be seen above feeding the water to the factory. Constant loops were used with water drawn off to the washers by means of automated valves. Staggered re-filling of the washers ensured a stable temperature within the system.

     

    Process cooling water chiller for vegetables

    The completed installation showing the water chiller, buffer tank. Water was drawn off the tank from a constant loop for potato washer filling.

    Summary;

     

    Climate Rentals worked closely with the client through the design and operation of this plant. Day to day operational support and modifications of this plant have ultimately achieved fantastic results- renting gives this flexibility.

    This system has been in operation for four harvests. The cost for installation and operation have been greatly offset by increased shelf life of the product.

     

    What The Client Says;

     

    “ Advanced Climate Rentals supplied us a water chilling system that met our specific requirements at our Packing facility. Superb knowledge and service provided a solution to meet our needs without a major capital investment. I would not hesitate to recommend ACR to anyone requiring a rental solution for AC/Chiller equipment.” RG

     

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