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筒式磁选机是目前磁选工艺中应用最为普遍的一种弱磁选设备。由于开放式磁路结构中一直沿用铁氧体恒磁,因此工作磁场强度仅达17000_(?)。目前铈钴铜稀土永磁体与锶钙铁氧体恒磁组成复合磁系,虽然能把工作场强提高到25000_(?),但不能满足更广泛的需要。吉林国营8272厂与吉林冶金机电设备制造厂联合研制成功新型φ1050×2400筒式中磁磁选机,使距离极面10mm处的工作磁场强度提高到4000
Cartridge magnetic separator is currently the most widely used magnetic separation process a weak magnetic separation equipment. As the open magnetic circuit structure has been followed by ferrite constant magnet, so the working magnetic field strength of only 17000_ (?). At present, cerium cobalt copper rare earth permanent magnet and strontium calcium ferrite magnetic composite magnetic system, although the work field can be increased to 25000_ (?), But can not meet the broader needs. Jilin State-owned 8272 Factory and Jilin Metallurgical Electromechanical Equipment Manufacturing Factory jointly developed a new φ1050 × 2400 cartridge type magnetic separator so that the working magnetic field strength at 10mm from the pole surface was increased to 4000