Company News-Shandong Shanlu Heavy Industry Technology Co. LTD

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.
How to check the decrease in magnetic force of permanent magnet iron remover?2026-09-14The permanent magnet suspension iron remover is installed above the belt conveyor to remove mechanical iron such as iron filings and bolts mixed in quartz sand. But many customers have reported that the iron absorption effect of the equipment has significantly decreased after a period of use, and iron impurities above the belt still run downstream. The problem usually lies not in the magnetic block itself, but in the suspension height and material layer thickness.
What is the reason for the poor iron removal effect of permanent magnet dry roller magnetic separator?2026-09-12The permanent magnet dry roller magnetic separator is used for fine powder iron removal in quartz sand dry purification, but many customers have reported that the iron removal effect significantly decreases after the equipment runs for a period of time, and the iron content in the finished product exceeds the standard. The problem often lies not in the magnetic roller itself, but in the matching between the magnetic roller speed and the feeding speed.
How to check the decrease in screening efficiency of the drum screen?2026-09-11Roller screen is commonly used in the pre classification stage after quartz sand crushing, but after running for a period of time, the screening efficiency drops sharply from the design value of over 85% to below 60%, and a large amount of fine or coarse particles that should have been screened out are mixed in the finished product. The root cause of the problem is mostly due to clogged sieve holes.

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