PROJECT
INCORPORATING COLD CHAIN
Continued from page 1
Sagamu Brewery: quality refrigeration for quality beer
A
B InBev’s new USD250-million
Refrigeration system Load
-4.5°C glycol chiller system 4 400kWR
record time, with WSP designing the +2°C glycol chiller system 3 450kWR
refrigeration plant. This brewery was +8°C chilled water system 1 400kWR
brewery in Sagamu, Nigeria,
was recently completed in
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built with an initial capacity of 3.2MHL/
annum, with a plan to expand the
capacity to 6.4MHL/annum in future,
making this brewery the largest brewery
in Africa outside of South Africa.
Although WSP awarded the contract
for the refrigeration installation in March
2017, the site installation only commenced
in January 2018 due to delays on site.
However, WSP, together with the local
The client specification called for a design
that did not allow for ammonia to be
present outside the plant room area. As a
result, glycol was used as the secondary
cooling medium and was chilled by means
of ammonia thermosiphon type chillers
in the plant room and reticulated to the
various process users.
contractors, managed to make up for the
builders’ delays and achieved the original
programme’s first brew date of 15 May 2018. 1. GEA screw compressors installed on the
+2°C and +8°C systems.
CLIENT BRIEF 2. GEA screw compressors installed on the
-4.5°C systems.
WSP conducted the detailed design of the
system based on the concept design and
load requirements issued by the consulting
engineers, Alectia.
The refrigeration system required cooling
to be supplied to three separate user
circuits as listed below:
3. Pumpset for the reticulation of -4.5°C
glycol to users.
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4. +2°C cascade chillers and accumulator
vessels.
5. First brew date of 15 May 2018 was
achieved for Sagamu, despite initial
construction delays.
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www.coldlinkafrica.co.za
COLD LINK AFRICA • January/February 2019