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Gravimetric methods have an advantage in content determination Weighing techniques offer the advantages that they work extremely precisely, have no direct contact with the bulk material, and work independently of grain size, solid density and bulk density.
Gravimetric methods have an advantage in content determination
Weighing techniques offer the advantages that they work extremely precisely, have no direct contact with the bulk material, and work independently of grain size, solid density and bulk density. Due to their physical properties, bulk solids place high demands on the exact determination of the contents of a container and on quantity balancing in a processing operation. This applies equally to static weighing, for example in a tank, and to the dosing of free-flowing products. Gravimetric, i.e. weight-determining, methods are an established method for determining the content of bulk materials. These weighing techniques offer the advantages that they work extremely precisely, have no direct contact with the product and record the weight of the bulk material independently of grain size, density and bulk density. It is precisely this last advantage that becomes apparent when dosing bulk material. Here, volumetric dosing is available as an alternative, which measures the discharge by means of volume per time unit. However, the density of the dosing medium plays a decisive role in volumetric dosing. If the density of the material fluctuates during the discharge
27.10.2022  |  196x  |  Product news  | 
Trantec screw feeder feature drastically reduces downtime  Trantec’s quick-release feature ensures that production times are maximised and downtime is reduced to minutes
Trantec screw feeder feature drastically reduces downtime
Trantec’s quick-release feature ensures that production times are maximised and downtime is reduced to minutes Due to machines needing regular cleaning, maintenance, or product changeover, manufacturing businesses are heavily impacted by downtime. This can have a drastic impact over time on profit margins from having to halt production. Trantec’s quick-release features were designed to provide a cost-effective solution that offers rapid dismantling and non-problematic cleaning of their machinery. Downtime is reduced to under five minutes for complete dismantling of their screw feeders and below ten for a complete product changeover. Few screw feeder manufacturers offer a similar easy-release feature. However, the feeder body usually remains in place. This can be problematic, making the cleaning process longer and more troublesome. Trantec’s quick-release screw feeder sets itself apart from its competitors as almost the whole feeder can be dismantled, including the feeder’s body. Developed, tested and proven over the past ten years, Trantec’s unique design offers
01.07.2022  |  530x  |  Product news  |   | 
Gravimetric feeding preferable because of variation in flow properties Testing of pet food and salmon feed was done to argue why a gravimetric feeding system is preferable when working with mixed meal types.
Gravimetric feeding preferable because of variation in flow properties
Testing of pet food and salmon feed was done to argue why a gravimetric feeding system is preferable when working with mixed meal types. Investigation density and flow properties Variations in both density and flow property often occur in mixed meal types used for the animal, aqua and pet food productions, density variations above 15 % are not unusual – these variations possibly occur due to variations in the recipe and since meal can compact in bins. This article focuses on the differences in meal mixes for pet food and aqua feed production and what type of knowledge testing the product will generate. Testing of two material types: pet food – dog and aqua feed – salmon was done to argue why a gravimetric feeding system is preferable when working with mixed meal types Testing and Results Four types of tests were performed in the Jesma test laboratory: bulk density, angle of repose, particle size, and moisture content. Bulk density can interfere with powder flow, large variations between loose and tapped bulk density may signify a poorer flowing material. Using the compressibility index for
29.10.2021  |  1287x  |  Product news  | 
Brabender Technologie doses raisins Precise dosing of dry fruit
Brabender Technologie doses raisins
Precise dosing of dry fruit The renewed Brabender Technologie FDSR Feeder reliably doses dried fruit such as raisins. This enables accurate dosing of bulk solids, which is soft and cohesive and has a tendency to compact and bridge. Easy cleaning After disassembly, parts can be cleaned with water. Load cell, weighing frame and -feet are made of stainless steel 1.4301 and are designed for better accessibility for cleaning underneath the feeder. The feeder is also easy to clean internally due to the fully removable frontplate of the trough and the ViwateQ surface treatment. Cable junction boxes and glands are hygienically designed, motors are aseptically equipped with H1 lubrication and parts are electrolytically coded. The design conforms to CE and fully complies with all relevant standards, directives and recommendations for the food industry (DIN EN 1672-2, EHEDG, FDA, etc.).
18.05.2020  |  1266x  |  Product news  | 
establish product type and flow behavior Classify with Feeder Scout
establish product type and flow behavior
Classify with Feeder Scout How do you make someone explain the properties of the bulk material when it is practically not measurable data such as product type and flow behavior? In order to select the right knowledge of a product feeder is indispensable. In addition to matters such as bulk density, particle size, temperature, pressure and dosing are mainly the product type and the flow behavior essential data. The product type and flow behavior are difficult to classify in practice; this are not specify any standards. What calls the n powder, calls the other grain. What is a normal flowing product in the perception of one producer, is the other manufacturer with a very good running product and so we can still mention a few examples. Feeder Scout as a tool for classifying product type and flow behavior The online program Feeder Scout is a simple tool to classify product type and flow behavior and capture. Thus it easier to select the correct feeder. Moreover, it is thus possible to communicate
17.10.2016  |  4502x  |  Product news  | 
Brabender Technologie solves the problem of fibre feeding Innovative feeding of natural fibres, wood fibres, long carbon fibres and film chips
Brabender Technologie solves the problem of fibre feeding
Innovative feeding of natural fibres, wood fibres, long carbon fibres and film chips With its new fibre feeder, Brabender Technologie is breaking new ground in the feeding of long and uneven fibres. While conventional feeders used to be restricted to short and compact bundles of fibres such as glass fibres, for example, the new feeder is now capable of accurately metering natural fibres, wood fibres, long carbon fibres and film chips. New fields of application As one of the main fields of application, the new fibre feeder can be used for shredded film strips. These are waste materials from plastic film production processes, where the film edges are cut off by film edge trimmers. This results in 10-30 % of unspoilt material, further utilisation of which has until now been difficult. The new feeder allows to refeed the remnants back into the production process as film chips so that they can be recycled. This saves resources and optimises the production process. Feeding of natural fibres is another field of application. The fibre feeder is capable
08.09.2016  |  9267x  |  Product news  | 
High Containment Systems
FROM POWDER MIXING TO FINISHED GRANULATE IN THE ISOLATOR Three-Tec develops high-quality volumetric and gravimetric feed units and extruders together with peripheral equipment such as spheronizers, granulators, hot die faces, conveyor belts and water baths. They impress due to their easy cleaning, simple handling and flexible adjustment to process requirements. Versatile options to integrate them into the production processes or test and laboratory applications of research and development make Three-Tec machines very popular products. Three-Tec machines are produced as custom-made designs to meet customer requirements and are largely used in the testing and laboratory sectors of the pharmaceutical and food industries. Three-Tec has now reacted to the growing demand for a production process for granulates in an isolated environ-ment and realised an isolator with integrated gravimetric feed unit, extruder, conveyor belt and granulator in accord-ance with ISO 14644-7 in collaboration with ART-Reinraumtechnik. As a result,
07.01.2016  |  11641x  |  Product news
Extended Cycle Time at Highest Accuracy
Performance of Loss in Weight Feeders depends on accuracy, linearity, stability, drift and quantity of raw material in the hopper. Weigh modules with MonoBloc Technology meet these requirements perfectly. Improve performance of your equipment with high resolution weigh modules which will expand time of uninterrupted operation at the highest accuracy. The performance of feeders range from 100g up to 50,000 kg per hour. The accuracy ranges from 0.25 to 1 %. The maximum achievable accuracy depends on the properties of the material being dispensed. A characteristic of loss in weight feeders is the cyclical change between controlled gravimetric dispensing and uncontrolled volumetric dispensing during refilling. The uncontrolled volumetric dispensing during refilling has to be kept as brief as possible in order to achieve accurate results. An suitable electronic feeder control and a conveyor, which fits to the material properties of the dispensed product, can strongly
04.04.2011  |  6684x  |  Product news
Connecting gravimetric Brabender bulk ingredient metering feeders to automa Feeder-mounted electronic modules ISC-CM plus and ISC-FC plus
Connecting gravimetric Brabender bulk ingredient metering feeders to automa
Feeder-mounted electronic modules ISC-CM plus and ISC-FC plus For economical reasons plant operators in bulk ingredient processing industries demand maximum process automation also covering the gravimetric loss-in-weight or weigh-belt feeders used. To meet the requirement, suppliers of automation systems (PLC, automation software) offer integral feeder control functions within their system-wide control solutions. Functional guarantees, however, do well cover all control operations but not the performance of the gravimetric metering feeders with their complex interaction of metering, weighing, control and regulation functions. Understandably enough, feeder suppliers refuse to guarantee failure-free feeder performance unless proprietary control technology is used. Hence, it is the plant operator who bears the risk. As a solution, Brabender Technologie now offer a newly developed successor generation to their fully digital control and regulation modules ISC (Intelligent Signal Conditioner) under their new designations ISC-CM plus
15.11.2010  |  10077x  |  Product news  | 
Brabender Food Line in "Hygienic Design" Gravimetric metering feeders for the food industry
Brabender Food Line in "Hygienic Design"
Gravimetric metering feeders for the food industry Great demands on hygiene in the food industry do not only require easy cleanability of machines applied but also involve a wide range of additional measures to prevent contamination with microbiological, chemical and physiological contaminants. Equipment suppliers must make sure to comply with hygienic design principles. For the field of bulk ingredient metering Brabender Technologie has therefore developed the "Brabender Food Line" in close cooperation with leading food companies, resulting in an array of metering feeders strictly complying with all relevant standards, guidelines and recommendations for the food industry (DIN EN 1672-2, EHEDG, FDA, etc.). On the one hand, special attention was given to technical solutions allowing particularly quick and easy cleaning. On the other hand, however, the development especially focused on preventive measures to avoid contaminations, for instance plain stainless steel surfaces, non-porous and ground welding seams
14.04.2010  |  11043x  |  Product news  | 
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