Steaming ahead

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					                         Digital Re-print -
                         March | April 2013
                                      Steaming ahead

Grain & Feed Milling Technology is published six times a year by Perendale Publishers Ltd of the United Kingdom.
All data is published in good faith, based on information received, and while every care is taken to prevent inaccuracies,
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©Copyright 2013 Perendale Publishers Ltd. All rights reserved. No part of this publication may be reproduced in any form
or by any means without prior permission of the copyright owner. Printed by Perendale Publishers Ltd. ISSN: 1466-3872

Leave nothing to chance. With WinCos Care, the Service Management System
of Bühler, you will put your maintenance work in order. The system, which is
customized by Bühler to precisely fit the specific needs of your production system,
takes charge of the entire planning and administration of all your maintenance
jobs. This ensures efficient processes and maximum plant uptime.

Bühler AG, Grain Processing Customer Service, CH-9240 Uzwil, Switzerland,
T +41 71 955 30 40,,

                                                                            WinCos Care Service
                                                                            Management System –
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                                                                            All in one system:
                                                                            Extensive documentation, among
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Innovations for a better world.

AHEAD                                                                                             by Thomas Stuecken,
                                                                                                     chairman, Osprey
                                                                                                        Deepclean, UK

         ygiene and food safety of raw            tion reduces the risk of fine organic dusts   Innovative cleaning using
         materials and end products               accumulating on ledges and crevices, which    minimal water
         are vital in the grain and feed          could result in damage from a fire or dust        Compliance and stringent auditing
milling industry. Millers take great care to      explosion.                                    requirements, combined with pressure of
ensure processes meet all legislative and            Food and site safety concerns, cou-        time constraints and cost concerns, means
food safety requirements. At the same             pled with high costs for energy, water and    millers are looking for a hygiene system that
time, consumers expect food to be safe            wastewater treatment are motivating the       can save money and work quickly, while
and are increasingly taking an interest           requirement for hygiene systems that do not   being extremely effective.
in how their food is produced.                    employ chemicals and that can save on large       OspreyDeepclean and its sister manu-
                                                  amounts of water.                             facturer, OSPREYFRANK have developed
   Cutting corners in the area of food safety        Just as steam power became the fuel        an innovative dry steam technology system
can have a serious impact on business. Grain      that drove the Industrial Revolution – dry    which uses less water than traditional clean-
and feed products in mills are at risk of being   steam technology is the latest development    ing-in-place (CIP) methods. The new tech-
contaminated by foreign material, insects,        playing an increasingly important role in     nology meets the challenges of cleaning in
microbes and vertebrate pests. In addition        driving trends in 21st century industrial     environments such as dry food areas, where
to high hygiene standards, effective sanitisa-    cleaning.                                     water systems can’t be used or where there

10 | march - april 2013                                                                                  Grain &feed millinG technoloGy
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is sensitive machinery, motors or anything              As well as being applicable to a wide           includes the fully auditable dry steam belt
electric and adversely affected by water.            range of work settings, steam can be used          sanitation unit (BSU) which cleans conveyor
     The technology, which is the first of           to undertake innumerable cleaning tasks.           belts to allergen level, saving up to 3 million
its kind in the UK, uses a continuous flow           The system can be used on feeding, mixing          litres of water per annum.
heating coil system to heat water to such            and blending vessels, machinery, conveyor               The organisation has also developed a
a high degree that it becomes extremely              belts, rollers, pipelines and also general floor   central steam system for food production
hot vapour. The emitted dry steam contains           areas, storage spaces and much more. As            and packaging areas. This is much like a
minimal moisture and efficient cleaning capa-        it is applied to the surface, dry steam            central vacuum, which facilitates cleaning
bility is produced from the steam pressure           leaves very little             residue and can     by simply plugging the steam hoses into
made on the surface area.                            almost touch                     dry, especially   central steam pipes without the need for
                                                     when                               compared        handling cleaning machines. The sophisti-
Is all steam cleaning the same?                                                                               cated equipment can be used for the
    So steam is simply steam? Well actually,                                                                    cleaning of heavy parts and for plastic
no. Steam can be produced in a range                                                                              parts cleaning. The machines start
of different grades, each matching dif-                                                                            from a 3kW single phase unit and
ferent industry applications. Picking the                                                                               reach up to 144kW units avail-
cleaning method best suited to your                                                                                            able in electric, oil or
operation depends upon a number of                                                                                                    gas heated coils.
options including the nature of the sur-
face to be cleaned and the type of material
or residue found on crushing or milling appa-
ratus, conveyors and elevator pits and silos.        to any
    To date, conventional CIP systems have           other clean-
tended to rely on traditional boiler systems         ing method.
which are only required to heat the water to             No      additional
a maximum of 75 degrees and rely on high             ingredients are required in
water flow and minimal pressure, using a lot         the steam to improve cleaning
of water in the process.                             power, as efficient cleaning capacity
    Most food related sites use hot water            is produced from the steam pressure
that comes off the boiler through hoses,             made on the surface to be cleaned and
using foamers, liquid chemicals and other            the solvent power of micro drops at a high
sanitation agents. They can use between              temperature, with minimal moisture present.
200-1,000 litres of water per hour to blast a        However,
surface clean. They can also have the nega-          where specific
tive side effect of sending dangerous bacteria       tasks or loca-
airborne, spreading them through the plant           tions demand
without killing them. This ‘wet steam’ system        it, ingredients
does not use a vapour process.                       can be added
                                                     to      improve
Benefits of dry steam cleaning                       the solidifica-
    Efficient cleaning capacity is produced          tion of specific
from the steam pressure made on the                  substances, for
surface to be cleaned and the solvent power          instance within
of micro drops at a high temperature, with           liquid fat appli-
minimal moisture present.                            cation devices
    The continuous steam system provides             which      could
constant steam quality which can be adjusted         congeal with-
by volume and dryness. Water flow and                out the use of
heating power can be controlled and adapt-           additional ingre-
ed by an electronic control system.                  dients.
    The amount of water saved depends upon
the flow rate of the water system and the            Dry steam
pressure employed, but it can save up to 90          machines
percent of water used. OspreyDeepclean’s dry         for different
steam technology will typically use between          applications
10-30 litres of water per hour, whereas a                The     tech-
conventional system will use between 200-            nology Osprey
1,000 litres per hour.                               Deepclean has
    Conventional cleaning leaves the risk of         developed      is
potentially dangerous residues contaminating         available in a
food and raw materials. Then you also have           range of dry
the issue of getting into difficult spaces, such     steam machines
as tight crevices in storage areas or complex        for     different
shaped equipment.                                    applications,
    Dry steam sanitises surfaces, penetrating        based on many
cracks, crevices and other hard-to-reach areas       years’ experi-
where manual and traditional cleaning methods,       ence of creating
which mainly rely on potentially hazardous           bespoke steam
chemicals, fail to achieve the required standards.   solutions. This

Grain  &feed millinG technoloGy                                                                                                 march - april 2013 | 11

                                                                                            training with regards to correct usage.
                                                                                            The new dry steam technology can be
                                                                                            adjusted by volume and dryness to provide
                                                                                            a constant steam quality, which can be eas-
                                                                                            ily managed and adapted by an electronic
                                                                                            control system.
                                                                                                Osprey Deepclean’s technology is avail-
                                                                                            able in a range of dry steam machines for
                                                                                            different applications. Training is required,
                                                                                            so the various accessories can be used
                                                                                            effectively to safely remove micro-organisms
                                                                                            and bacteria.
                                                                                                Due to the ease of use, industrial steam
                                                                                            cleaners translate to labour savings as well.
                                                                                            Running costs are reduced because the
                                                                                            steam can reach the most inaccessible spots,
                                                                                            avoiding repeated dismantling during main-
                                                                                            tenance and upkeep operations, which can
                                                                                            halve time taken.
                                                                                                This new boiler free technology is at
                                                                                            the forefront of water saving science.
                                                                                            Energy, water, and waste costs are kept
                                                                                            to a minimum, reducing operating costs
                                                                                            and overheads and therefore increasing
                                                                                            turnover and profit. Thanks to its sanitis-
   Electrical cabinet                        Steam generators                               ing properties, environmental edge and
                                                                                            extreme versatility for all settings and
                                                                                            cleaning tasks, dry steam cleaning is most
This fully integrated system permits the     the key investments a company makes.           definitely here to stay.
whole cleaning process to become auditable   Given the significant sums of money for
using sophisticated PC software.             new machinery and the damage defective
                                             products can do, it pays to ensure staff are   More inforMation:
Training                                     trained and confident to operating necessary    Tel: +44 1242 513123
   Modern milling machinery is more effi-    equipment.                                      Email:
cient and faster than ever and is one of         Any new sanitation process will require     Website:

12 | march - april 2013                                                                              Grain &feed millinG technoloGy
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Description: Hygiene and food safety of raw materials and end products are vital in the grain and feed milling industry. Millers take great care to ensure processes meet all legislative and food safety requirements. At the same time, consumers expect food to be safe and are increasingly taking an interest in how their food is produced.