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1, the existing problems in application
(1) our iron ore because more than lean (accounting for 97.Portable crusher5% of the total reserves) and partners (of) born more than mine (accounting for one-third of the total reserves), the mineral hardness is bigger, magnetic separation machine magnetic drum tube skin is continually 0 ~ 15 mm the following the impact of granular iron ore, badly worn,Rotary dryers often happen magnetic drum tube skin torn phenomenon. Once the tube skin ground leak slurry into the magnetic drum, adsorption in magnetic department in skin surface cylinder and magnetic tie between lock, or to enter into a pulp in bearing in bearing damage, cause the whole equipment destroyed.
(2) in the series of magnetic ferrite magnets and general use of the sr ndfeb magnets.Hammer crusher One ndfeb magnets chemical stability is poorer, in magnetic drum in the humid air, easy appear surface oxidation gradually layered spalling phenomena. good chemical stability, strontium ferrite magnets generally with the epoxy resin bond into magnetic fixed set in magnetic of, there are also magnetic piece of easy falls off phenomenon. So whether strontium ferrite magnets are necessary or magnets for fixed.Flotation cells
2, the solution
(1) tube wear protective skin. Add the cylinder body protection layer is on permanent magnet type magnetic separation machine cylinder of a kind of reinforcement, is to extend the service life of the cylinder skin is the most effective method, already wear-resisting, and easy to change. The wear-resisting rubber coating layer,Vibrating feeder stainless steel board, PVC, PU coating layer cladding layer prevention and control for the test.Aggregate jaw crusher Test results see table 1 (data in average).
Through the test results, compared with that by using the cladding, PVC tube skin, adhesive bonding package PVC cladding,Ore processing plant can greatly improve the service life of the cylinder skin.
(2) magnetic is fixed. The glass ribbon besmear brushs epoxy resin, iron packaging belt, stainless steel slabs of the magnetic whole package try inspection.
According to the test results, the thickness of 0.5 1 Cr18Ni9Ti stainless steel plate package of magnetic. Stainless steel plate with clamp connector sheet at both ends and bolt to fixed, finally bolt connection, adjust when tight degrees. Such not only of magnetic field of surface effect is small, but also to have the strong magnetic is enough package when tight force, the effect is remarkable. After using this method has never had magnetic piece of fall, completely solve the problem of magnetic is fixed.
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