Company News-Shandong Shanlu Heavy Industry Technology Co. LTD

How much does the fineness of the feed affect the permanent magnet roller magnetic separator?2026-10-14Whether the feed particle size of the permanent magnet dry roller magnetic separator in quartz sand dry iron removal is within the equipment design range directly determines the iron removal effect. Many customers have found that the iron content in finished products fluctuates between high and low, and they have been investigating and troubleshooting. The problem lies in the fluctuation of grinding or grading processes, which leads to the particle size of materials entering the magnetic separat
How to detect the decrease in magnetic field strength of a flat magnetic separator?2026-10-13The flat magnetic separator relies on magnetic plates to adsorb iron impurities in wet iron removal from quartz sand. After running for two to three years, many customers have found that the iron removal effect is not as good as before, and the iron content in the concentrate gradually exceeds the standard. Using a Gaussian meter, the magnetic field strength on the surface of the magnetic plate has decreased significantly compared to the new machine. Magnetic demagnetization is a problem that pe
How to determine if the bearings of a permanent magnet drum magnetic separator are damaged?2026-10-12During the operation of the permanent magnet drum magnetic separator, the bearing temperature remains consistently high, causing the outer shell of the bearing seat to become too hot to stay when touched by hand, which is a potential equipment hazard encountered by many customers. If the bearing overheating is not dealt with in a timely manner, it can lead to the loss of lubricating grease and accelerated wear, and in severe cases, the bearing may get stuck and cause the drum to stop rotating, f
How to solve the problem of fine bottom flow in hydraulic classifiers?2026-10-10It is a common problem for a hydraulic classifier to mix a large amount of fine powder into the bottom flow during operation. Bottom flow fine clamping not only increases the burden of subsequent dehydration and pressure filtration, but also leads to the loss of fine-grained products, greatly reducing the classification efficiency. The problem usually lies in the combination of rising water flow and spiral speed.
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.

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