CASES
Dual Frequency Vibrating Screen On-site Application in Steel Plant
Customer Case: Dual Frequency Vibrating Screen On-site Application in Steel Plant
1. Project Background
This case focuses on the on-site application of dual frequency vibrating screens in large-scale steel plant sintering and raw material screening processes. In traditional steel production, sintering raw materials such as lump ore and coke powder usually feature high humidity, fine particle size and strong adhesion, which easily cause screen mesh blocking, low screening efficiency and excessive return ore rate. These common problems restrict continuous production capacity and lead to high comprehensive energy consumption and operating costs. To optimize the sintering workshop production process and realize green and low-cost manufacturing, the steel plant adopted customized dual frequency vibrating screening equipment for on-site process upgrading.
2. On-site Operation Features
Different from conventional vibrating screens with integrated vibration of screen box and screen surface, the dual frequency vibrating screen applied on site adopts an innovative static screen box and multi-independent vibrating screen surface structure. Only the screen plates perform targeted vibration while the rack and main screen box remain stationary. This unique structural design greatly reduces the overall dynamic load and foundation vibration impact, realizing stable long-term operation under 24-hour continuous high-load working conditions.
Each screening section is equipped with an independent vibration source, enabling adaptive adjustment of vibration amplitude and frequency according to on-site material particle size, humidity and feeding volume. It perfectly solves the industrial pain points of sticky material bonding and mesh blockage that are difficult for traditional screening equipment to handle, achieving precise grading of lump ore, fine powder and miscellaneous materials.
3. Core On-site Application Advantages
Excellent Environmental Protection Performance: The static screen box structure supports a fully enclosed dust-proof design without vibration cracking and gaps. It completely avoids dust overflow during the screening process, meeting the ultra-high environmental protection emission standards of modern steel mills and improving the on-site working environment of the sintering workshop.
High Screening Efficiency and Large Processing Capacity: The dual-frequency variable vibration mode greatly improves the material penetration rate. The on-site single-machine processing capacity reaches a high level, effectively reducing the powder content in furnace materials and the sintering return ore rate, significantly optimizing the sintering quality and output.
Low Energy Consumption and Stable Operation: With fewer moving parts and reduced vibration mass, the equipment effectively lowers matching power and operating energy consumption. The optimized vibration structure reduces equipment fatigue wear, extending the service life of core components and lowering long-term operating failure rates.
Simple Maintenance and Low Operating Cost: Adopting standardized and modular component design, core wearing parts can be integrally replaced quickly on site. It greatly shortens maintenance downtime, improves production continuity, and effectively reduces manual maintenance costs and spare parts consumption.
4. On-site Application Effect
After the on-site operation of the dual frequency vibrating screen, the screening precision and processing efficiency of the steel plant’s sintering raw materials have been significantly improved. The return ore rate is effectively reduced, and the utilization rate of lump ore and sintering materials is greatly increased. The equipment maintains stable and efficient operation for a long time, realizing dual optimization of energy-saving consumption reduction and green environmental protection, and creating remarkable economic and environmental benefits for the steel production line.
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