A Coke Vibration Screen is a specialized screening machine used in the coke (petroleum coke or metallurgical coke) processing industry to separate and classify coke particles by size. It ensures efficient sorting, removal of fines, and preparation of coke for further processing or end-use applications.
Key Features of Coke Vibration Screens:
1. High Durability – Designed to handle abrasive coke particles with wear-resistant materials (e.g., stainless steel or polyurethane screens).
2. Vibration Mechanism – Utilizes eccentric shafts, vibrating motors, or electromagnetic exciters to generate high-frequency vibrations for efficient screening.
3. Multi-Deck Screening – Often includes multiple screen layers (decks) to classify coke into different size fractions (e.g., lump coke, nut coke, and fines).
4. Dust & Emission Control – May include sealed enclosures or dust extraction systems to comply with environmental regulations.
5. Heavy-Duty Construction – Reinforced frames and robust springs to withstand continuous operation in harsh conditions.
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Common Applications:
– Petroleum Coke (Petcoke) Screening – Removing fines before storage or shipment.
– Metallurgical Coke Screening – Sorting blast furnace coke into different size grades.
– Foundry Coke Processing – Ensuring uniform particle size for casting applications.
– Anode Grade Coke Preparation – Screening before calcination in aluminum production.
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Types of Coke Vibrating Screens:
1. Linear Vibrating Screen – Ideal for high-capacity screening with a straight-line motion.
2. Circular Vibrating Screen – Uses a circular motion for finer classification.
3. High-Frequency Vibrating Screen – For ultra-fine particle separation.
4. Banana Screen (Multi-Slope) – Optimized for high-efficiency grading.
Selection Considerations:
– Feed material size & moisture content
– Required throughput capacity
– Desired screen mesh sizes
– Environmental & safety requirements
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