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Food

Goudsmit delivers reliability in the form of innovative solutions for the prevention of metal contamination in the food industry. This prevents costly production interruptions, damage claims and product recalls. During the production process metal parts can enter food products such as baby food, fruit juice, frozen or canned vegetables, spices, flour, sauces, grain, powdered milk, sugar or chocolate. These can easily be removed with magnets.

Goudsmit is engaged in continuous research into the effectiveness of various magnet systems. We employ advanced 3D modeling software and a powerful test centre to continuously optimize our systems, and not just for ferrous particles but also for AISI 304 and AISI 316(L) stainless steel particles. Even today, most suppliers continue to focus primarily on field strengths (gauss/tesla), but experience has shown that this is no guarantee for good metal separation. See blog: 'Why do we have to measure magnets? '

For ferrous particles we optimize our magnetic bar systems to obtain the most effective bar diameter, magnet quality, pole thickness, and distance between the bars. We know, for example, that some stainless steel particles can be captured with an air gap as large as approximately 50 mm, but the result is much better if the particles contact a magnetic bar. AISI 316L particles are only captured when they actually contact the magnetic bar.

Separation yield is an extremely important concern for quality assurance managers. Goudsmit's product designers are happy to work with your QA personnel to further improve our products and the separation yield.

magnetic filter fruit  Magnetic filter oranges

 

Dairy, milk and egg powder

Viscous and pasty products like yoghurt, cheese spread and desserts can carry off iron particles again after they have been captured. Our hygienic magnetic filters have such powerful Neoflux® (neodymium) magnetic bars that they can remove the smallest Fe particles from these products and then hold them so strongly that they will not be pulled off again.

Milk and egg powder are fatty powders that can accumulate on the magnetic bars. The rotating Cleanflow magnets were developed to prevent this by eliminating bridging on the bars. These magnets remove iron particles starting at 25 microns from fatty powders. They are also available in combination with a metal detector. A pure product prevents expensive, image-damaging product liability issues and expensive spoilage of finished products.

Click here for a large flow chart :

Open flow chart

magnets in dairy  magnet in egg powder

Cocoa & chocolate

Iron contamination can be present both in the incoming raw cocoa beans and during processing of the finished product. To resolve this various types of magnet systems are used.

During harvesting and packing, nails and other metal objects can fall in among the cocoa beans. During receiving (bean unloading) large pieces of iron are removed from the flow of bulk beans by a magnetic drum separator (when there is lots of metal contamination), bullet magnet, cascade magnet, plate magnet or external pole magnet before the cocoa beans are ground into powder.

External pole magnets can be placed in the powder line and the sugar intake, but they are also very suitable for the ‘cake dump’, after the cocoa is pressed and comes out of the press in large ‘cakes’. Magnetic grids/grates or Cleanflow magnets remove iron particles when the cake is ground.

During final inspection of the cocoa powder – before bagging – rotating Cleanflow magnets are often used. This prevents considerable damage to sieving machines and pulverizers, not to mention costly production stops. The rotating movement of the magnetic bars ensures that the fatty cocoa powder does not accumulate on the rods and remain stuck to them.

For liquid chocolate our double-walled magnetic filters are an excellent choice. They capture very fine iron particles from liquid chocolate, cocoa butter or cocoa liqueur. These filters are suitable for use under pressure, and a warm liquid can be pumped between the two walls to prevent solidification on the wall.

magnetic filters food industry  magnetic filter cacao

Products

External pole magnets manual quick cleaning

These external pole magnets filter ferromagnetic contamination from free-fall lines. Cleaning is quick and easy, by means of an extractor plate (quick cleaning).

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External pole magnets automatic cleaning

External pole systems are a good solution for applications with large amounts of ferrous contamination and where operator access is impossible. Automatic cleaning, without production stop.

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Cleanflows manual cleaning - Static

For magnetic filtration of small quantities of metal contamination from dry, free-flowing powders and granulates in non-pressurized pipes. Manual cleaning (quick cleaning).

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Cleanflows semi-automatic cleaning - Static

For magnetic filtration of small quantities of metal contamination from dry, free-flowing powders and granulates in non-pressurized pipes. Semi-automatic cleaning (Easy-clean).

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Cleanflows automatic discontinuously cleaning - Static

Suitable for use in applications with large quantities of metal contamination and where operator access is impossible. For dry, free-flowing powders and granulates. Automatic cleaning, with production stop.

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Cleanflows automatic discontinuously cleaning - Dust-proof - Static

Suitable for use in applications with large quantities of metal contamination and where operator access is impossible. For dry, free-flowing, dusty powders and granulates. Automatic cleaning, with production stop.

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Cleanflows automatic continuously cleaning - Static

Suitable for use in applications with large quantities of metal contamination and where operator access is impossible. For dry, free-flowing powders and granulates. Automatic cleaning, without production stop.

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Cleanflows manual cleaning - Rotating

For magnetic filtration of small quantities of metal contamination from poorly flowing (e.g. fatty) powders in non-pressurized pipes. Manual cleaning (quick cleaning).

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Cleanflows semi-automatic cleaning - Rotating

For magnetic filtration of small quantities of metal contamination from poorly flowing (e.g. fatty) powders in non-pressurized pipes. EHEDG certified. Semi-automatic cleaning.

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Cleanflows automatic discontinuously cleaning - Dust-proof - Rotating

Suitable for use in applications with large quantities of metal contamination and where operator access is impossible. For poorly flowing (e.g. fatty) powders and granulates. Automatic cleaning, with production stop.

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Cleanflows automatic continuously cleaning - Rotating

Suitable for use in applications with large quantities of metal contamination and where operator access is impossible. For poorly flowing (e.g. fatty) powders and granulates. Automatic cleaning, without production stop.

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Cascade magnets automatic cleaning

Cascade magnets filter ferromagnetic contamination from coarse raw materials and provide optimal flow. The cascade arrangement forces the product to closely pass three plate magnets. Automatic cleaning.

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Magnetic grids neodymium (Neoflux®)

Magnetic grids are often placed at a pouring point and filter very fine magnetic and weakly magnetic ferromagnetic contamination from free-flowing powders and granulates. Often used for control purposes. Manual cleaning (quick cleaning).

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Permanent bullet magnets

The most effective separation system in terms of price/quality. With powerful ferrite magnet core. Manual cleaning.

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Electro bullet magnets

Less powerful than permanent version, yet with fully automatic cleaning (with production stop) and therefore suitable for automatic production processes.

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Magnetic plates neodymium (Neoflux®)

Powerful and compact. For dry or wet use; also suitable for the food industry.

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Magnetic drum separators food/pharma 9000 gauss

Applications in free-fall chutes. Strong neodymium magnet, capable of removing very small particles of ferrous contamination. Suitable for the food industry.

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Magnetic drum separators Lenastar 12000 gauss

Applications in free-fall chutes; supply via vibratory chute. Extremely strong neodymium magnet, for the removal of magnetic particles, and even weakly magnetic particles, of ferrous contamination. Suitable for the food industry.

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Magnetic filters, industrial

Robust filter for general applications. For filtering magnetic and weakly magnetic ferrous particles. Suitable for all industries. Manual cleaning (quick cleaning).

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Magnetic filters, industrial, pneumatic

Robust filter for filtering magnetic and weakly magnetic ferrous particles at larger diameters. Not suitable for the food industry. Semi-automatic cleaning.

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Magnetic filters, industrial, double-walled

Robust filter with double-walled enclosure to prevent coagulation of viscous products. Filters magnetic and even weakly magnetic ferrous contamination out of substances such as chocolate. Manual cleaning (quick cleaning).

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Magnetic filters, industrial, external pole

Very robust filter, suitable for filtering ferrous contamination out of products such as pulp in the paper industry. Large solids can also pass, because there is nothing to obstruct the passage. Manual cleaning.

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Magnetic filters, hygienic (EHEDG)

Designed for the food industry in accordance with EHEDG guidelines. Very effectively filters fine magnetic and even weakly magnetic ferrous contamination. Manual cleaning (quick cleaning).

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Magnetic filters, hygienic (EHEDG) - Clean In Place

Designed for the food industry; EHEDG certified. Very effectively filters fine magnetic and even weakly magnetic ferrous contamination. Completely automatic cleaning (CIP: Clean In Place).

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Magnetic filters, sanitary

Suitable for filtering out ferrous contamination in the food industry. Manual cleaning (quick cleaning).

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Magnetic inspection rods

Magnetic inspection rods enable you to determine whether your product is contaminated with ferromagnetic (Fe) particles. The inspection rods attract very fine Fe particles as small as 30 microns.

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Gauss meter / teslameter

The gaussmeter/teslameter measures the local flux density, of a surface for example. The measurements can be displayed in units of tesla, gauss, kA/m or oersted.

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Magnetic grippers

Magnetic grippers are suitable for picking up flat, ferromagnetic objects (e.g. stamped and perforated steel sheets).

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Palletizing magnets with steel housing

The palletization magnets with a steel enclosure are suitable for palletizing and depalletizing with a gantry crane. They are available in various versions.

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Lightweight palletizing magnets

The lightweight palletization magnets with an aluminium enclosure are suitable for palletizing and depalletizing with a robot arm. Available in various versions.

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Magnetic rails

Magnetic rails for straight product flows or flows with side infeed or discharge. For connection to a magnetic roller, magnetic arc rail, magnetic curve rail or other magnetic rail.

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Magnetic conveyor rollers

Magnetic conveyor rollers are used for straight product flows with constant magnetic force at a variable angle with sharp radius. Installation between other (possibly tapered) magnetic rails.

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Magnetic arc rails

Magnetic arc rails are used for straight product flows with constant magnetic strength. Installation between other magnetic rails, as an alternative for magnetic roller.

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Magnetic curve rails

Are used for curved product flows. Magnetic arc rails are usually combined with a driven disc and crossed conveyor belts.

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Magnetic lid stack rollers

For stacking and unstacking lids, rings and discs. Examples include supplying lids to filling/sealing machines in the canning industry or stacking up rings in a production line.

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Add-on magnetic head pulleys

Magnetic head pulleys capture ferrous and weakly magnetic particles and continuously carry them away. Suitable for installation in existing belt conveyor systems, in the bulk transshipment or recycling industries for example.

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High-gradient magnetic head pulley systems

High-gradient magnetic head pulley systems are used to capture weakly magnetic particles. Due to the low magnetic field depth, this system is not suitable for high processing capacities.

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Magnetic bars neodymium (Neoflux®)

Magnetic bars are the building blocks of many magnetic systems and are used to filter product streams for the removal of very fine ferromagnetic and weakly magnetic particles (from machined stainless steel or iron oxides, for example).

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Chute magnets

Chute magnets are used for powder streams in free-fall or chute applications; a simple solution for removal of ferromagnetic contamination.

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