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Health & Safety - including Dust Control


When space matters Hygienic milk powder packing in limited space


Chronos BTH has installed and commissioned a new high accuracy bagging and palletising system for Emmi Milch AG in Dagmersellen, Switzerland; one of its long-standing customers in the milk powder sector. The bagging system features a strictly hygienic design, accurate operation and an ability to change products quickly, which is vital given the large number of powders to be packed. It was also necessary for Chronos BTH to overcome limited space challenges on the production site. At the Emmi factory they produce a diverse range of milk powder derivatives such as whey powders and permeate powders, all of which are hygroscopic, dusty, and sticky; and are a challenge to handle. Gerold Schatt, head of the Dagmersellen factory: "We opted for Chronos BTH due to the ground clearance of the filling line as well as the filling and closing concept.” An OMLH-1030 BF hygienic bagging system is the key piece of equipment for this particular project. Its field-proven design automatically picks up and places the open-mouth bags, which


are multi-ply cross bottom bags with polyethylene liners onto the filling spout. A specially designed integral vertical dosing screw ensures that dust emissions are kept to a minimum during both main and fine feed filling cycles.


Filled bags are removed via an indexing conveyor; during this bag transportation phase before it is presented for de-aeration the bag top remains closed. A combination of de-aeration probes and agitators on the conveyor optimise removal of excess air from each bag.


EUROPE’S NO 1 IN PIPEWORK SYSTEMS Jacob (UK) Limited


Unit 2, Laundry Bank Church Stretton, SY6 6PH


Tel: +44 (0) 16 94 72 28 41 Fax: +44 (0) 16 94 72 34 73 E: sales@jacob-uk.com Web: www.jacob-uk.com


At the next part of the process the bag mouth is stretched and prepared for sealing, whilst top air is carefully pressed out of each bag. Bag closure is completed through a combination of impulse heat sealing and the innovative Chronos BTH double fold over tapping system, which complement each other to minimise potential moisture ingress into the filled bags. For additional security sealed bags pass through integral metal detection and check weighing systems; with any rejected bags being removed before they enter the gripper head of the specially configured Palletiser via an inclined conveyor. The palletiser is rated at 600 bags/hour and a series of palletising programmes ensure that all of the Emmi bagged products are palletised in the optimum manner to suit their individual requirements. An automatic wrapper completes the automation of the bagging process and it can also offer six different wrapping programmes.


fast assembly - tight connections


always trust original quality


38 Solids & Bulk Handling • May 2012


Currently the new packing system is operating on a two shift system and is rated at 200 bags/hour; packing products with individual filling weights of between 10 and 50kg. All of the equipment is EHEDG (European Hygienic Engineering & Design Group) compliant and all of the processing modules are designed to provide Emmi with optimum filling accuracy in a hygienic and cost-effective manner. Chronos BTH, a subsidiary of Premier Tech Ltd., offers a diverse range of weighing, bagging, palletising, load securing systems and comprehensive customer services for the Food, Feed and Chemical industries. For more information visit: www.chronosbth.com


www.solidsandbulk.co.uk


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