In modern industrial production, powdery or granular materials, after initial processes such as crushing and grinding, require precise grading and screening to obtain finished products with different particle size ranges, which are then conveyed to designated silos or the next process. This process demands high precision and efficiency from the screening equipment, while the conveying equipment must achieve stable vertical lifting, and both must be perfectly coordinated in terms of spatial layout and operating cycle.

Equipment Matching Solution

This production line uses a square gyratory screen as the core grading equipment, combined with a bucket elevator. After initial processing, the material is fed into the bucket elevator hopper, vertically lifted to a set height, and then discharged into the inlet of the square gyratory screen. After screening, the oversize and undersize materials from each layer enter downstream equipment or the finished product silo through their respective outlets.

Equipment Features and Advantages Analysis

Features and Advantages of a Square Gyratory Screen

- Precise Planar Rotary Motion: The square gyratory screen uses an inertial vibrator to drive the screen body in planar rotary motion. Material on the screen surface is subjected to centrifugal force, causing it to tumble forward in an "S" shape. The motion trajectory is gentle and long, which is conducive to thorough stratification and screening of materials. Compared with high-frequency vibrating screens, it has a lower material breakage rate, making it particularly suitable for materials requiring particle integrity.

- High Screening Efficiency and Processing Capacity: Due to the high utilization rate of the screen surface and the long residence time of materials on the screen surface, the square gyratory screen can achieve a screening accuracy of over 90%-99%, while the processing capacity per unit area is 1.5-2 times that of ordinary vibrating screens. The multi-layer screen design can simultaneously produce products of various specifications, achieving multi-purpose functionality.

- Low Noise and Low Energy Consumption: The equipment operates at a low frequency (typically 200-300 times/minute), with noise levels controlled below 75 decibels, and low power consumption, making it energy-saving and environmentally friendly.

- Easy to maintain: The screen is installed in a tensioned or drawer-type manner, making replacement simple and quick; the whole machine has a modular structure, fewer maintenance points, and reduced downtime.

Features and Advantages of Bucket Elevators

- Stable Vertical Conveying: Bucket elevators use belts or chains as traction components, continuously lifting materials within the barrel, ensuring stable and reliable operation. Ring chains, plate chains, or belts can be selected based on material characteristics and conveying height, offering strong adaptability.

- Fully Sealed Structure: The elevator barrel features a flanged, fully sealed design, effectively preventing dust leakage, maintaining a clean workshop environment, and preventing external impurities from contaminating the material, ensuring material quality.

- Multiple Bucket Configurations: Depending on different materials (e.g., powder, granules, small lumps), deep buckets, shallow buckets, or trough-type buckets can be selected to ensure smooth feeding and unloading, reduce material backflow, and improve conveying efficiency.

- Customizable: The barrel has an inspection door for easy maintenance; the head and tail pulleys can be equipped with anti-slip rubber layers or wear-resistant liners as needed to extend their service life.

The combination of a bucket elevator for vertical lifting and a square gyratory screen for planar rotary screening achieves integrated operation of material transfer from low to high and precise grading. Both have fully sealed characteristics, effectively controlling dust pollution during the production process. At the same time, their respective high efficiency allows the entire production line to be fully utilized, making it particularly suitable for production environments with strict requirements on product particle size and requiring a three-dimensional layout.

Square gyratory screens and bucket elevators are core equipment products of Mirant Xinxiang Machinery in the field of intelligent screening. Their excellent screening and grading capabilities, as well as their conveying capacity, have earned widespread customer recognition for their solutions in screening and conveying production lines across numerous industries. With over 20 years of experience in the screening and conveying equipment field, we adhere to the principles of "quality assurance, reputation first, quality-oriented, and win-win cooperation," focusing on customer needs to ensure the manufacture of high-quality products that are stable in performance, of superior quality, aesthetically pleasing, and easy to operate.

Clearly separated particles, intelligent screening – Mirant Xinxiang Machinery Equipment Co., Ltd.