There is one system for the airlock , two |
Heat-reclaim heat exchangers are |
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for the sterilisation rooms ( split over the |
installed on the refrigeration racks to |
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two rooms for redundancy ) and two for |
provide ‘ free ’ heat in terms of hot water . |
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the holding rooms ( also split over the two |
400kW can be used for heating water |
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rooms for redundancy ). |
from 20 ° C to 60 ° C , when operating at |
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Parallel compression was included as it |
only 30 % of the installed capacity . |
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works alongside the medium temperatures |
There is also a hot gas defrost function |
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and handles any flash gas that comes |
for low temperature applications to |
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from the receiver vessel and makes a |
reduce electrical usage ( instead of |
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© Cold Link Africa | Benjamin Brits |
3 |
system more efficient because the gas is being handled at a higher evaporation temperature and the higher the evaporation temperature , the more efficient the compressors . Instead of dropping all the flash gas down to the evaporation temperature in the medium temperature system , parallel compressors are used .
The steri-rooms as well as the holding
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electrical defrost ). Defrost is done by controller and defrost cycles occur at different times as there are quite a few fan coil units in each of the rooms .
Steri-rooms are included at the facility because they form an integral part of export produce and strategically allow Precool Cold Storage to accommodate as many
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rooms were designed to operate as either |
services as possible for the entire cold |
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chillers ( medium temperature rooms ) |
chain . Some countries require different |
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or freezers ( low temperature rooms ), |
temperatures and different protocols |
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depending on the demand . The unique |
that must be complied with in order to |
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design of the facility allows each individual |
pass as export quality . |
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room to operate at the desired temperature |
Most of the export products handled |
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without affecting any of the other rooms |
by the facility come from the North |
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within the facility . Suction gas from the rooms |
of the country and the new facility is |
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is diverted to the required compressor suction |
both a DALRRD and PPECB approved |
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group to obtain the required temperature . |
facility in the chilling of fruit and other |