Company News-Shandong Shanlu Heavy Industry Technology Co. LTD

Why is the coil temperature of the vertical high gradient magnetic separator too high?2026-10-09The continuous high temperature of the excitation coil during the operation of the vertical gradient magnetic separator is a more dangerous signal than a decrease in processing capacity. After the coil temperature exceeds 80 ℃, the magnetic field strength begins to significantly decrease. Long term overheating can also cause insulation layer aging, inter turn short circuits, and in severe cases, the entire coil can be burned out, resulting in high maintenance costs. The problem usually lies in t
What is the reason for the water entering the cylinder of the permanent magnet drum magnetic separator?2026-10-08When the permanent magnet drum magnetic separator operates in the quartz sand wet process production line, it is a common problem encountered by many customers that water enters the cylinder. The slurry seeps into the interior of the drum from the sealed area, which can cause the magnetic block to become damp and demagnetized, and in severe cases, rust the magnetic yoke and bearings. The equipment's ability to remove iron is greatly reduced, and in severe cases, the entire magnetic separator can
Is there a relationship between the wear of the dewatering screen support beam and the breakage of the screen mesh?2026-09-24The vibrating dewatering screen is responsible for reducing moisture in the quartz sand wet production line, but frequent breakage of the screen mesh is a headache for many customers. Some mesh screens develop cracks within less than a week of replacement, causing material to leak from the opening and greatly reducing the dewatering effect. The problem usually lies not in the quality of the sieve itself, but in the tension of the sieve surface and the feeding method.
How to adjust the overflow concentration of the hydraulic classifier from high to low?2026-09-23The fluctuating overflow concentration during the operation of hydraulic classifiers is a common concern for many customers. High concentration makes it difficult for fine powder to escape, resulting in a decrease in grading efficiency; Low concentration results in significant water waste and increases the burden of subsequent concentration and pressure filtration. The root cause of the problem often lies not in the equipment itself, but in the mismatch between the overflow weir and the feeding
How to determine whether the iron unloading effect of the permanent magnet drum magnetic separator meets the standard?2026-09-22During the operation of the permanent magnet drum magnetic separator, there is always a layer of iron powder on the surface of the drum that cannot be completely unloaded. As the drum rotates back to the selected area, this iron powder is carried into the concentrate, greatly reducing the iron removal effect. Many customers think it's due to insufficient magnetic force, but in fact, the problem lies more in the iron unloading process.
What should I do if the rotating ring of the vertical gradient magnetic separator gets stuck?2026-09-21The sudden blockage and difficulty in rotating the rotating ring during the operation of the vertical ring high gradient magnetic separator is a more serious fault than the decrease in processing capacity. Once the rotating ring gets stuck, the magnetic medium cannot unload the iron normally, and the sorting operation is forced to be interrupted. Forcefully starting may also burn out the motor or twist the spindle.
What to check for the decrease in magnetic field strength of electromagnetic dry powder magnetic separator?2026-09-18After one or two years of operation of the electromagnetic dry powder magnetic separator, many customers have found that the iron removal effect is not as good as before. When measured with a Gaussian meter, the magnetic field strength in the sorting area is more than 20% lower than the initial value. The decrease in magnetic field strength is usually caused by two links: the excitation coil and the magnetic circuit.
What should I do if there is air leakage at the inlet and outlet of the three return dryer?2026-09-17After running for a period of time, the sealing failure at the inlet and outlet ends of the three return drum dryer has caused air leakage, which is a concern for many customers. Hot air runs away from the gaps, fuel consumption increases, but the moisture content of the discharged material cannot be reduced, and the dust on site also increases significantly.
What should I do with the adhesive material on the magnetic roller of the permanent magnet dry roller magnetic separator?2026-09-16The surface sticking of the magnetic roller is a common problem in the dry iron removal of quartz sand using a permanent magnet dry roller magnetic separator. When the moisture content of the material is too high or there is too much fine powder, the fine powder will gradually adhere to the surface of the magnetic roller, forming a layer of material shell, shielding the magnetic field lines, and significantly reducing the iron removal effect.
What should I do if the electromagnetic iron remover unloads iron uncleanly?2026-09-15The electromagnetic suspension iron remover is used in quartz sand production lines to remove iron filings from materials above the belt. However, when the power is turned off to unload iron, the iron filings remain and adhere to the magnetic poles, which is a common problem. The thicker the iron filings accumulate, the magnetic force is shielded, and the iron absorption effect decreases accordingly.

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