WINE, BEERS & CIDERS
Cleaning technology offers efficient selection for greater profits
When looking at cleaning technology for cleaning in place (CIP) there are two frequently asked questions: Will it clean my tank and how much does it cost?
C
urrent advancements in
energy is now added to the cleaning
cleaning technology now mean
process, reducing both the amount of
that we are not just able to clean a
cleaning liquid required and the time
customer’s tank, but also save them time
needed for cleaning. This leads to a direct
and money in the process. This is the view
cost saving.
of James Simmonds, product manager
As an example of this, a study was
cleaning technology.
carried out at one of the largest and most
There are three basic types of
renowned German breweries who had
technology; static spray balls, single axis
exchanged large static spray balls in 76 of
rotating and duel axis rotating. Each has
their 700m3 fermentation vessels for AWH
its merits, and savings can be made by
Tanko S50 rotating heads.
choosing the right type of equipment
AWH TANKO S SERIES
to use. There are four inter-dependant factors which influence the result of a CIP cycle. In 1959, Dr Herbert Sinner combined
After extensive testing they achieved a Static spray ball and tanko MX 125
38% reduction in cleaning (lost production) time, a 58% reduction in fresh water
these into what is now referred to as
consumption (and so also 58% reduction in
Sinner’s Circle.
the amount of effluent they had to treat) as
Sinner identified four key elements of
Operating at low pressure and with high
well as 39% reduction in caustic needed. In
cleaning: Time, temperature, chemical and
flow requirements the cleaning function
total this translated into a saving of €51.60
mechanical action. He recognised that by
of a static spray ball is to produce points of
per tank, per CIP. The payback period per
increasing one factor, we can make savings
impact on the vessel walls (where the jets
tank by changing technology was under
on one or more of the remaining factors.
from the holes hit).
10 CIP cycles.
When looking at any CIP cycle the
We rely on the volume of liquid running
When considering larger tanks (typically
costliest elements are generally time (lost
down the sides of the tank (a free falling
>5m diameter) or heavy levels of soiling
production time), temperature (energy
film) for the majority of the clean. This
often the most effective technology
required to heat cleaning liquids) and the
leans the suitability of static spray balls
is multi axis jet cleaners. This type of
chemical or cleaning liquid itself (both
more towards smaller vessels, as less
equipment is slow rotating and builds up its
in terms of the cost to buy the liquid and
overall volume of cleaning liquid is
wash pattern over a certain period of time.
equally, in today’s climate, the cost of
required to cover the tank walls, and
effluent treatment).
easily removed soils (such as light liquids)
AWH Cleaning Technology focuses on the fourth factor, mechanical action. Mechanical action is the physical force
as less mechanical action is required to remove them. As vessels increase in size or soiling
used on the soiled area and with minimal
becomes more difficult to remove we begin
investment in moving from one type
to look at single axis rotating cleaners like
of equipment to another it is possible
the AWH Tanko S Series.
to greatly increase productivity while reducing running costs significantly. The oldest, and currently most common,
While still operating at low pressure, single axis rotating devices step up the level of mechanical action. The cleaning
type of technology used is the static spray
is carried out by a series of high energy
ball. With no moving parts and proper
droplets, generated by fast rotation and
care it is (potentially) maintenance free
precision cut slots, impacting instantly and
and, coupled with low investment costs,
repeatedly against the soiling on
it is often the first choice of both vessel
all surfaces.
manufacturer and end user alike.
28
May 2021 | FOOD RE VIEW
Relating back to Sinner’s Circle, more
The Tanko JX 70