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At present, due to the rapid development of the ceramic industry and the large market demand for iron separators, some poor quality iron removers that do not implement the national standard have an opportunity to fish into the building materials industry and lay a hidden danger to the crushing system of the building materials industry. Various forms of electromagnetic and permanent magnetic iron removers have attracted more and more attention as a dedicated crushing machine to protect God and special equipment for improving product quality.
It is the main equipment for the removal of iron, nickel and other metal powders and oxides from architectural ceramics, sanitary ceramics, daily-use ceramics, artistic ceramic glazes, slurries and dry powders. For improving the whiteness and transparency of ceramic products, eliminating black melting spots and fused holes play an important role. Through practice, it has been proved that using excellent quality iron remover to remove iron from professional glazes, removing iron from polished bricks, removing iron from building sanitary ceramic glazes, and removing iron from medicines are particularly effective.
Separators are devices that generate strong magnetic fields and are often used with conveyors such as belt conveyors and vibratory conveyors. It can remove ferromagnetic material with a weight of 0.1-2.5kg mixed in the bulk material. The iron removal rate is up to 95%. It plays a reliable role in protecting the grinder, crusher and conveyor belt. According to different sources of magnetic force, the iron remover is divided into an electromagnetic iron remover and a permanent magnetic iron remover, and is an iron removing device for removing iron in a block or powdery material.
Separators are used in cement plants to protect raw materials and clinker crushers, roller presses, vertical mills, packaging machines and ball mills. Used to remove iron impurities in raw materials to protect the safe operation of grinding equipment and reduce the failure rate. In glass, ceramics factory used to remove iron impurities and iron powder in raw materials, to protect the crushing equipment and improve the quality of glass grade. In the brick and tile factory, it is mostly used for the iron removal protection of the crusher, the roller, and the brick machine.
Electromagnetic iron remover is essentially a kind of DC electromagnet. Its magnetic coil generates a strong magnetic field during the energization process, and it picks up the iron pieces in the non-magnetic material. Permanent magnet separator is a magnetic source consisting of high coercivity, high remanence rare earth magnetic materials NdFeB and ferrite to form a strong magnetic field, used to absorb ferromagnetic debris, the whole machine is not energized, no energy consumption .
With the implementation of the total quality management of ceramic enterprises and the continuous improvement of the quality requirements of the ceramic production process and links, the technological transformation of the ball milling process has become an important process flow in the ball mill workshop of ceramic enterprises. To increase the output and fineness of the mill, It is necessary to rebuild the crushing system and use high-precision crushers and pulverizers. The crushing size of the materials passing through this type of equipment is generally 10 mm or less. Such fine materials are crushed and once they are mixed with chains, wrenches, bolts, and scrap irons, etc. It will cause serious damage to the fine crusher, but it will break the hammer, lining board and screen bar, and will seriously endanger the important parts such as the central axis and bearing of the crusher.
Therefore, choosing an iron remover with excellent performance and reassurance can really avoid unexpected occurrence of similar problems. However, if a poor quality iron remover produced by a non-regular manufacturer is used, iron may not be clean, and the phenomenon of iron breaking the crusher may also occur. In general, inferior electromagnetic or permanent magnetic iron removers are often used for cutting corners and materials and have unstable performance. Shortcomings such as short life span, these defects are generally not easy to find for the user at the beginning of use, so as to cause hidden troubles for subsequent use.
At present, electromagnetic iron separators and permanent magnet iron separators implement JB/T7689-95 suspended electromagnetic iron removal and JB/T8711-1998 suspended permanent magnet iron separator standards. The national standard has detailed provisions on the excitation power, insulation class, iron absorption range, rated hoist height, magnetic field strength, and heat dissipation mode of the separator. The high-quality iron separator has the characteristics of large magnetic potential, deep magnetic permeability, strong suction force, low energy consumption, strong environmental adaptability, and safety and reliability.