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AboutXinxiang Min Sheng Machinery Co., Ltd. is a professional manufacturer specializing in the production of crushing, screening, filtering, feeding, and conveying equipment, providing both individual machines and complete plant solutions.
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Several Key Issues Affecting the Output of Bucket Elevators
2025-12-08
1. Confirming the characteristics of the material to be conveyed primarily refers to properties such as bulk density, particle size, and flowability. Since the design quality and production capacity vary depending on the specific gravity of the actual material being lifted, factors like moisture content, acidity/alkalinity, thermal stability, and abrasiveness also play crucial roles. These varying material attributes can inevitably affect the efficiency of material transportation. In particular, particle size and flowability significantly influence the filling coefficient of the hopper.
2. The impact of the feeding method: Reverse feed inlets result in relatively higher efficiency, while forward feed inlets lead to lower efficiency. As a general recommendation, granular materials should be fed in reverse, whereas powdered materials are better suited for forward feeding. If a direct-hopper feeding system is used, it will reduce the filling coefficient, ultimately leading to insufficient productivity. Additionally, improper arrangement of the feeding chute or excessively sharp bends at the discharge chute corners can also negatively affect performance.
3. The gap between the hopper wall and the cylinder wall—when this gap is too small—can lead to insufficient feeding, thereby reducing productivity, and may also result in increased material wear and other related issues.
4. Ensure that the motor frequency of the bucket elevator matches the grid frequency. Also, verify that the reducer’s gear ratio complies with the standard configuration. If chain drive is used, simultaneously confirm the number of teeth on both the driving and driven sprockets, making sure the overall reduction ratio of the reducer and sprockets aligns with the standard specifications. All these steps are crucial for eliminating speed-related impacts on production output. Speed and output have a direct proportional relationship: as speed decreases, the number of buckets lifted per unit time drops, leading to a reduction in lifting capacity—and consequently, lower overall output. Moreover, reducing speed not only affects the discharge method of the bucket elevator but also increases the amount of material returning to the system, further diminishing productivity. While increasing speed within certain limits can boost output, it may also intensify the impact of materials against the machine walls, accelerating wear and tear and raising the rate of material breakage. Additionally, premature ejection of materials could inadvertently lead to higher return flow. Therefore, setting the lifting speed according to specified requirements is essential to ensure optimal equipment operation under given conditions while maintaining consistent and efficient production levels.
5. If the hopper volume or productivity is insufficient, this can also be improved by adjusting the hopper capacity. However, simply increasing the hopper volume alone isn’t enough—care must also be taken to ensure the entire machine operates smoothly, including proper feeding, efficient discharging, and free movement of the hopper within the barrel, without exacerbating material wear.
6. The discharge method of bucket elevators typically uses centrifugal force. However, if the position of the discharge port is improper, material may flow backward into the bottom of the bucket elevator, leading to a decrease in productivity. Therefore, it’s essential to ensure that materials can smoothly slide down either along the inclined front wall of the hopper or on the back side of the hopper walls—without ever flowing back toward the machine’s base.
7. The depth and size of the bucket in a bucket elevator will affect the output per unit time. If there are no specific requirements, it is recommended to use deep buckets to increase the output.
8. Improper material removal during the lifting process resulted in the elevator's output failing to meet the preset requirements.
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Xinxiang Min Sheng Machinery Co., Ltd
Mobile phone:+86-13007666090
Mobile phone:+86-13007666080
Email:hnfqjx@126.com
Address: No. 169, Chenbao Industrial Park, Xinhui Road, Xinxiang City, Henan Province
Email：hnfqjx@126.com
Phone：+86-(0)373-5436888
WhatsApp：8613007666090
Mobile phone：+86-13007666080
Mobile phone：+86-13007666090