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Yearbook 2013/2014 - ehedg

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168 EHEDG Subgroups<br />

EHEDG Subgroup “Conveyor Systems”<br />

Jon J. Kold, e-mail: jk_innovation@yahoo.com<br />

In January 2011 the EHEDG Subgroup “Conveyor Systems”<br />

became active.<br />

The group has collected a huge amount of material and is in<br />

the process of editing the content.<br />

The purpose of the Subgroup is to prepare a new EHEDG<br />

Guideline on the hygienic design of conveyor systems to be<br />

used in food manufacturing or processing. The Subgroup<br />

consists of approximately 15 professionals from companies<br />

and institutions. This underlines the industry’s broad interest<br />

in the subject.<br />

Conveyor systems are widely used in food manufacturing<br />

for moving raw materials, processed food and packaged<br />

products. The upcoming guideline is primarily aimed at<br />

conveyors used in high risk areas, i.e. the processing of<br />

non-packaged foods in direct contact with the conveyor or<br />

transported in open boxes.<br />

There are several reasons to reduce the hygiene risk by<br />

applying hygienic design to conveyor systems.<br />

The guideline may be used as a communication tool<br />

between purchasing companies and suppliers making sure<br />

that new conveyors comply with hygienic requirements<br />

specification.<br />

The Subgroup “Conveyor Systems” is chaired by EHEDG<br />

Denmark who have previously elaborated a guideline for<br />

hygienic deign of conveyers for the food industry.<br />

Hygienic design of conveyor systems<br />

The hygienic design of conveyor systems is complex and<br />

demanding. Many solutions with regard to function, design,<br />

cleanability and service of the equipment must be considered<br />

thoroughly.<br />

The equipment should be as open as possible for easy<br />

accessibility and cleaning. The number of guards should<br />

be minimised to what is necessary for reasons of safety<br />

and should not prevent efficient cleaning. Guards should<br />

be removable during cleaning/disinfection, either through<br />

opening or by unhinging.<br />

Topics which are being dealt with during the working period:<br />

• Different types of belts<br />

• Lateral guides for belts<br />

• Lateral guides for product<br />

• Drive stations<br />

• Drum motors<br />

• Gear motors<br />

• CIP cleaning systems<br />

Time schedule<br />

The new guideline is intended to be finalized within the next<br />

12 – 18 months.<br />

If you are interested in joining this Subgroup please contact<br />

the chairman, Mr. Jon J. Kold, jon.kold@staalcentrum.dk, or<br />

the EHEDG Secretariat jana.huth@<strong>ehedg</strong>.org.<br />

Chairman<br />

Jon Kold<br />

Fredensvang 38<br />

7600 STRUER<br />

DENMARK<br />

Phone:(+45 40) 57 13 46<br />

E-mail: jk_innovation@yahoo.com<br />

EHEDG Subgroup “Dry Materials Handling”<br />

Karel Mager, e-mail: karel.mager@givaudan.com<br />

When the EHEDG started in 1989 most of the available<br />

knowledge on hygienic design was about liquid handling and<br />

liquid processing equipment.<br />

In the following years a couple of documents about test<br />

methods and design principles concerning this topic were<br />

published.<br />

In the area of dry particulate materials (powders) there was a<br />

need for similar documents: design principles and guidance<br />

for hygienic engineering for the safe processing of dry<br />

particulate materials.<br />

The subgroup started in 1998 and since then has published<br />

eight documents.<br />

Published guidelines<br />

• Doc. 22 General hygienic design criteria for the safe<br />

processing of dry particulate materials (2001)

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