Company News-Shandong Shanlu Heavy Industry Technology Co. LTD

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.
Single drum dryer dries slowly and has a high moisture content2026-09-10Single tube dryers are commonly used in the quartz sand drying process, but many customers have reported that the drying speed slows down after running the equipment for a period of time, and the moisture content of the discharged material cannot be reduced. The problem usually lies in three aspects: heat source, plate reading, and speed.
What is the reason for the decrease in processing capacity of the vertical ring magnetic separator2026-09-09The vertical ring high gradient magnetic separator is indispensable in removing iron from quartz sand, but many customers have found that the processing capacity of the equipment decreases significantly after running for a period of time. The same opening of the feeding valve resulted in nearly one-third less discharge. The problem mostly lies in the media box.
How to deal with abnormal noise during the operation of permanent magnet drum magnetic separator2026-09-08The sound of the permanent magnet drum magnetic separator is stable during normal operation. Once periodic impact or friction sounds occur, it is mostly due to internal problems. If abnormal noise is detected and the machine continues to operate without stopping, the magnetic block may further detach and jam the drum, or even damage the entire magnetic system.
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.

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