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dust megnetic separator from metal powder

magnetic separator technology is solution for black powder

magnetic separator technology is solution for black powder

Black powder, a ferrous contaminant created by internal erosion and corrosion of carbon steel pipelines and operating equipment, causes many operational problems. Black powder ranges from 100 microns and greater to sub-micron sizes, with the majority being ferrous (on average 80 percent) and silica (20 percent). It causes many costly problems for the pipeline and processing industries, such as: degrading of product supplied to the consumer, reduced production values from premature pumps, turbine/compressor component wear and tear, premature wear of transmission lines, plugging of meters and traditional filters and seizing of valves.

"High-speed flow in a pipeline picks up metal contaminants, which then act like sandpaper to create more ferrous particulate" says Roger Simonson, president of One Eye Industries Inc. "We have seen situations where there is so much black powder in a line that traditional filters become clogged, pipeline flow is severely reduced and meters become plugged. Black powder damages the pump, compressor and turbine components increasing downtime and reducing production values."

The Black Powder Magnetic Separator System was developed as a solution to pipeline and processing problems caused by black powder. Utilizing rare earth technology, The Black Powder Magnetic Separator System enables highly efficient separation of ferrous and in many applications non-ferrous particles (due to static adhesion) in gas and hydrocarbon transmission systems. The design creates multiple powerful compressed magnetic fields that encircle the magnetic separator element. This technology has enabled for a larger and stronger magnetic field surface area that projects three times further than traditional magnetic fields significantly increasing separation efficiency. The magnetic separator elements operate at full strength up to 300 degrees Fahrenheit (150 degrees Celsius), are highly resistant to vibration and offer more than 10 years of service life.

The removal of the ferrous metal contamination will significantly reduce the erosion factor and may act as a monitoring tool for the pipe wall life cycle. Using The Black PowderMagnetic Separation System will improve product purity and quality, which will significantly increase value. Application of the magnetic separator employed on the primary inlet of chemical plants and refineries will improve product quality production costs and reduce premature wear on process equipment. It willalso remove paramagnetic minerals such as nickel from production processes and will significantly reduce consumption of traditional filtration and, in doing so, will reduce costs and improve your environmental footprint.

magnetic separators for powders

magnetic separators for powders

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The Goudsmit Magnetics Group introduces a new generation of magnetic separators that removes metal particles (<30 m) from powders in the food, chemical, ceramic, and other industries. The Easy Clean flow magnet features user-friendly cleaning, improved flow, and high Gauss values of the bars. In contrast to previous designs, in which such magnets were fitted with two layers of thin (25 mm) bars, the new design contains a single row of 50 mm thick bars. New measurement techniques, including simulations of magnetic fields, show that this results in a higher separation yield. This is because the thicker bars remain in contact with the magnetic particles longer. An additional benefit is the reduced height of the magnet as a whole, which means it requires less installation height. Furthermore, a single row of bars results in improved product flow, which is particularly beneficial when it comes to poorly flowing powders. Cleaning The pneumatic magnetic bars simplify the cleaning process. They slide out along a guide and, once outside the housing, the magnets are exposed by blowing them out of the bars. A plate then retains the captured metal particles, after which they fall into a collection tray. With its large magnetic holding power of 13,000 Gauss at the rods, the Easy Clean flow magnet is suited for the separation of small (>2 mm) stainless steel particles. Tests and measurements showed that magnetic holding power alone is not enough to separate stainless steel particles. It is also of critical importance that these particles come into contact with the bars as they flow past. To accomplish this, deflectors can be fitted into the magnet, providing control over the direction of product flows containing weak magnetic (stainless steel) particles. This ensures that the product always contacts the bars. Goudsmit Magnetics Group B.V., Ha Aalst-Waalre, The Netherlands +31-(0)40 2213283 www.goudsmitmagnets.com

magnattack magnet separators | powder process-solutions

magnattack magnet separators | powder process-solutions

Whether youre responding to a metal contaminant situation, or positioning yourself to avoid metal contamination and recalls, incorporating MAGNATTACKmagnetic separators is a smart and efficient addition to your powder processing system.

Each MAGNATTACKitem has superior design elements to provide the best product protection. Quick-clean or self-cleaning capabilities, sanitary design features, dust-tight construction, 11,000+ gauss rare earth magnets, and proven magnetic separation proficiency are just some of the notable features that separate them from the competition. These design elements combine to provide the strongest, safest magnetic separation component for your processing facility!

MAGNATTACKmagnets will revolutionize the way you remove magnetic contamination from processing lines. MAGNATTACKhas been serving the food and dairy industries with solutions for metal fragment removal since 1969, and strives to provide the best in high strength, easy-to-clean magnetic components. All MAGNATTACKitems focus on sanitary, dust-tight designs while incorporating high strength, 11,000+ gauss rare earth magnets. Available magnetic separators were designed to attack both small, ferrous materials and large metal contaminants.

industrial separation of fine particles with difficult dust properties - sciencedirect

industrial separation of fine particles with difficult dust properties - sciencedirect

This paper describes possibilities to separate particles with difficult dust properties from gases. Difficult dust properties are related to extreme values of particle size and shape and to the flowability, the adhesion properties or the reactivity of the particles. Special emphasis is given to submicron particles. In cyclones, conductive particles such as diesel soot can be removed by means of additional electrostatic forces. Experimental investigations into wet tubular electrostatic precipitators show that the measured separation efficiencies are much higher than theoretically anticipated. This result is explained by higher particle charges than predicted by the existing charging models. For small flow rates where electrostatic precipitators are economically not feasible, a new type of wet scrubber may be an alternative. The critical issue of surface filters is the adhesion of the dust cake at the surface of the filter medium. Regeneration of the dust cake as well as trends for the separation efficiency can be determined by small coupon testers which can be used for lab investigations and for field tests. Surface filters are widely used in industry for the separation of nanoparticles. Even extremely sticky particles such as tar particles can be removed by surface filters if a precoat layer protects the filter medium. It is shown that by looking at the physical fundamentals of particle separation, new and innovative solutions can be discovered. Guidelines for the separation of particles with difficult dust properties are given.

chemical conditioning for wet magnetic separation of printed circuit board dust using octyl phenol ethoxylate - sciencedirect

chemical conditioning for wet magnetic separation of printed circuit board dust using octyl phenol ethoxylate - sciencedirect

Printed circuit board dust generated during comminution for recycling.Removal of ferromagnetic content by magnetic separation ineffective, wet or dry.Chemical conditioning of the pulp made wet magnetic separation effective.A clean physical processing step achieved for the dust.Reagent addition now a factor in magnetic separation.

Magnetic separation of ferromagnetic particles from fine dust recovered from airbag during printed circuit board (PCB) comminution appears quite rational, but under magnetic field, dust particle separation is problematic due to diverse particle morphology, electrostatics, induced magnetism and does not wet. These effects frustrate PCB dust magnetic separation, wet or dry. Chemical conditioning of the PCB dust pulp with octyl phenol ethoxylate (OPE) was conceived to combat these effects by altering the surface tension of water to wet and disperse the dust particles for efficient wet magnetic separation. At optimum OPE concentration used, which gave 56 dynes/cm solution, Fe and Ni recoveries in the 150212m dust, were 97 and 94%, respectively, under wet high intensity magnet (3150 Gauss); these dropped to 92 and 85%, under low intensity magnet (1370 Gauss), but misplacement of paramagnetic elements such as gold, copper reduced from 22% to 5.4% Au and 5.7% to 2.2% Cu. The best Separation Efficiency, considering the major economic elements, is up to 83% in a single roughing step under the low intensity wet magnetic separation. With evolution in PCB dust complex material streams for beneficiation, chemical conditioning has appeared as a vital factor to make wet magnetic separation effective.

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