Company News-Shandong Shanlu Heavy Industry Technology Co. LTD

Why does the drum screen shake badly after being used for a long time?2026-10-31After running for two or three years, the shaking of the drum becomes more and more obvious, and there is a dull impact sound at the contact between the rolling ring and the supporting wheel, which also deteriorates the screening effect. The problem mostly lies in the wear of the rolling ring. The rolling ring is a force transmitting component between the cylinder and the supporting wheel. After wear and tear, the clearance increases, and the cylinder loses stable support during operation, resul
What is the appropriate size for the sieve holes of the drum screen to ensure screening accuracy?2026-10-30The drum screen is responsible for controlling the particle size in the pre classification of quartz sand, but many customers have reported that oversized coarse particles are often mixed into the screened products, or the fine powder that is sieved out is not thoroughly screened, resulting in significantly lower screening accuracy than required. The problem usually lies in the coordination of three aspects: sieve size, cylinder speed, and feeding uniformity.
Why do the side plate welds of the dehydration screen crack after prolonged use?2026-10-29The vibration dewatering screen operates continuously in the quartz sand production line, and the cracking of the screen frame is a serious structural failure. Cracks often occur at the side plate welds, crossbeam connections, or near the exciter mounting seat. If not detected in a timely manner, crack propagation may lead to the scrapping of the entire screening machine. The problems usually arise in three aspects: weld quality, stress concentration, and operating load.
What should I do if the drum screen body deviates and the supporting wheel wears out quickly?2026-10-28After running for a period of time, the cylinder of the drum screen deviates, which is a problem encountered by many customers. The cylinder rotates with one side high and the other low, resulting in uneven distribution of material on the screen surface. The wear rate of the supporting wheels is significantly accelerated, and in severe cases, abnormal noise is produced due to friction between the cylinder and the frame. The problem usually lies in the adjustment of the idler and the levelness of
Will damage to the insulation layer of a single drum dryer lead to increased energy consumption?2026-10-27During the operation of a single drum dryer, the surface temperature of the drum is too high, causing it to become too hot to stay when touched by hand, which is an energy consumption problem encountered by many customers. The heat should have been used to dry the material, but a large amount is lost from the cylinder wall, causing fuel consumption to increase, but the moisture content of the discharged material cannot be reduced. The problem usually lies in two aspects: the insulation layer and
What is the reason for the abnormal noise of the cleaning machine reducer?2026-10-26Periodic abnormal noise from the reducer during the operation of the scrubbing machine is a potential equipment hazard encountered by many customers. The sound gradually changes from a slight "clang" sound to a piercing metal friction sound. If not dealt with in a timely manner, the gear or bearing of the reducer will be damaged, and the entire cleaning machine will be forced to stop. The replacement of the reducer may take one or two days, or three or five days, directly affecting the operation
How to determine if the dehydration screen vibration motor is overheated?2026-10-24The vibration motor is the power source of the dewatering screen, and burning is one of the most serious faults reported by customers. When the motor burns, the entire sieve stops, and replacement can take half a day or even a day, affecting the operation of the production line. The problem often lies in three aspects: heat dissipation, wiring, and operating load.
Why does the hanging iron remover lose its ability to absorb iron after prolonged use?2026-10-23The permanent magnet suspension iron remover is mounted above the belt conveyor and is responsible for removing iron filings and bolts mixed in quartz sand. After using it for one or two years, many customers found that the iron suction effect was not as good as before, and the iron parts above the belt continued to run downstream. After dismantling and testing, the magnetic field strength on the surface of the magnet was much lower than that of the new machine. The reason for the weakening of s
What will happen if the feed moisture content of the electromagnetic dry powder magnetic separator exceeds the standard?2026-10-22The electromagnetic dry powder magnetic separator is used for micro powder iron removal in quartz sand dry purification, but many customers overlook the indicator of feed moisture content. When the moisture content of the material exceeds the standard, the magnetic separator appears to be operating normally, but the iron removal effect is quietly decreasing, and the iron content of the finished product occasionally exceeds the standard.
What should I do if the surface temperature of the magnetic roller in the dry roller magnetic separator is too high?2026-10-21The problem of excessively high surface temperature of the magnetic roller in the dry iron removal process of quartz sand using a permanent magnet dry roller magnetic separator is easily overlooked. As the temperature of the magnetic roller increases, the magnetic force of neodymium iron boron magnetic material gradually decreases, and the iron removal effect quietly decreases, and this attenuation is often irreversible. The problem usually lies in two aspects: heat dissipation of the magnetic r

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