Company News-Shandong Shanlu Heavy Industry Technology Co. LTD

Electromagnetic dry powder magnetic separator coil overheating and frequent shutdown2026-09-07The electromagnetic dry powder magnetic separator is used for deep iron removal of micro powder materials in quartz sand dry purification, but frequent shutdowns caused by coil overheating are a concern for many customers. As the temperature of the coil increases, the magnetic field strength decreases, greatly reducing the iron removal effect and even burning the coil in severe cases.
The feeding concentration of the flat magnetic separator should not exceed 30%2026-09-05Flat plate magnetic separators are commonly used in wet iron removal from quartz sand, but clogging of the medium plate is the most common concern reported by customers. The magnetic separation effect is getting worse and the processing capacity is also decreasing, and the root cause is mostly on the medium plate.
What to do if the bottom flow of the blocked settling machine cannot be discharged2026-09-04Blocked settling machine bottom flow discharge is another common problem in grading operations. The bottom flow cannot be discharged, and coarse particles accumulate more and more inside the cylinder, which not only affects the classification accuracy, but may also crush the ore discharge valve and even damage the equipment.
What should I do if the overflow and roughness of the blocked settling machine occur2026-09-03The obstructed settling machine is used for desliming and purification in wet grading of quartz sand, but the frequent occurrence of coarse particles (running coarse) in overflow is a problem encountered by many customers. The overflow of coarse sand not only results in a loss of production, but also increases the burden on backend equipment.
Is the amplitude of the dehydration screen getting smaller and smaller? Eccentric blocks and springs are the main causes2026-09-02After using the vibrating dewatering screen for a long time, many customers have found that the material movement on the screen surface has significantly slowed down, and the dewatering effect is getting worse day by day. The problem mostly lies in the eccentric block or supporting spring of the exciter.
Is the discharge of high gradient magnetic separators getting slower and slower?2026-09-01The vertical high gradient magnetic separator is indispensable in the deep iron removal of quartz sand, but customers occasionally encounter situations where the processing capacity suddenly decreases significantly - with the same feed concentration and valve opening, the discharge volume is reduced by nearly half. Many people's first reaction is that the slurry is too viscous or the voltage is unstable, and after a lot of tinkering, they realize that the problem lies in the magnetic medium box.
Is the drum body of the three return drum dryer sticky and the thermal efficiency decreasing?2026-08-31In the quartz sand drying process of the three return drum dryer, it is common for the thermal efficiency to continuously decrease due to the sticking of materials on the inner wall of the drum. Many customers have found that after running the equipment for several months, drying the same amount of quartz sand requires more fuel consumption, and the moisture content of the discharged material is actually higher than before. The problem usually lies not in the heat source, but in the cylinder spe
Is the drum skin of the permanent magnet drum magnetic separator worn out quickly and replaced frequently? Hardness and sealing are the main factors2026-08-29The permanent magnet drum magnetic separator has a high frequency of use in quartz sand iron removal ring joints, and frequent replacement due to wear of the drum skin is a concern for many production lines. Quartz sand has high hardness and sharp edges, and the cylinder skin rubs against it for a long time, resulting in a much faster wear rate than processing other minerals. Every time the casing is replaced, the magnetic system needs to be disassembled and recalibrated, which is time-consuming
How to determine the mesh size of the dehydration sieve? Speak by observing the particle size distribution of materials2026-08-28In the wet production line of quartz sand, if the mesh size of the vibrating dewatering screen is selected incorrectly, the common consequence is that the moisture content of the finished product remains high or a large amount of fine sand is lost. Many customers repeatedly adjust the parameters of the screening machine to no avail, and the root cause often lies in the initial selection step.
Does the iron removal efficiency of a dry magnetic separator deteriorate as the processing capacity increases?2026-08-27In the dry purification of quartz sand using electromagnetic dry powder magnetic separators or permanent magnet roller magnetic separators, many customers have reported that slightly increasing the feeding amount leads to excessive iron content in the finished product. The problem is not with the strength of the magnetic system, but with the thickness of the material on the surface of the magnetic roller.

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