Single Deck Horizontal Screens Introduction

Single deck horizontal screens are a type of vibrating screen used in various industries for the screening and classification of bulk materials. They consist of a single horizontal deck containing a series of screen panels or decks arranged parallel to the ground. 

Horizontal Arrangement: Single deck horizontal screens have a horizontal deck arrangement, where the screen deck is mounted on a robust frame and arranged parallel to the ground. This horizontal orientation allows for efficient screening of materials by gravity.

Vibration Mechanism: Single deck horizontal screens are equipped with a vibration mechanism that generates vibratory motion to the screen deck. This vibration mechanism typically consists of an eccentric shaft with unbalanced weights or flywheels attached to it. When the motor rotates the shaft, it generates vibration that is transferred to the screen deck, causing it to oscillate horizontally.

Material Feed: Bulk materials are fed onto the single deck of the horizontal screen using a conveyor belt, chute, or other feeding mechanism. The material spreads out evenly across the width of the screen deck as it travels along the length of the deck.

Screening Process: As the material moves across the screen deck, smaller particles pass through the openings in the screen panels, while larger particles are retained on the screen surface. This separation process effectively classifies the material into different size fractions.

Adjustability: Operators can adjust various parameters of single deck horizontal screens, such as the amplitude and frequency of vibration, to optimize the screening process for different types of materials and desired screening efficiency. They can also adjust the angle of inclination of the screen deck to control the material flow and screening performance.

Screen Panels: The screen deck of single deck horizontal screens is typically fitted with screen panels made of various materials such as wire mesh, polyurethane, or rubber. These screen panels have openings or perforations of different sizes to allow for the passage of particles smaller than the opening size while retaining larger particles on the screen surface.

Scalping and Sizing: Single deck horizontal screens can be used for both scalping and sizing applications. They can remove oversized particles or contaminants from the feed material (scalping), as well as size the material into different size fractions.

Versatility: Single deck horizontal screens are versatile and can be used for a wide range of applications, including screening of aggregates, minerals, coal, and other bulk materials. They are suitable for dry or wet screening operations and can handle various feed sizes and types of material.

Single Deck Horizontal Screens Working Principle

Horizontal Arrangement: Single deck horizontal screens have a horizontal deck arrangement, where the screen deck is typically mounted on a robust frame and arranged parallel to the ground.

Vibration Mechanism: Single deck horizontal screens are equipped with a vibration mechanism that generates vibratory motion to the screen deck. This vibration mechanism typically consists of an eccentric shaft with unbalanced weights or flywheels attached to it. When the motor rotates the shaft, it generates vibration that is transferred to the screen deck, causing it to oscillate horizontally.

Material Feed: Bulk materials are fed onto the top of the horizontal screen deck using a conveyor belt, chute, or other feeding mechanism. The material spreads out evenly across the width of the screen deck as it travels along the length of the deck.

Screening Process: As the material moves across the screen deck, smaller particles pass through the openings in the screen panels, while larger particles are retained on the screen surface. This separation process effectively classifies the material into different size fractions.

Adjustability: Operators can adjust various parameters of single deck horizontal screens, such as the amplitude and frequency of vibration, to optimize the screening process for different types of materials and desired screening efficiency. They can also adjust the angle of inclination of the screen deck to control the material flow and screening performance.

Screen Panels: The screen deck of single deck horizontal screens is typically fitted with screen panels made of various materials such as wire mesh, polyurethane, or rubber. These screen panels have openings or perforations of different sizes to allow for the passage of particles smaller than the opening size while retaining larger particles on the screen surface.

Scalping and Sizing: Single deck horizontal screens can be used for both scalping and sizing applications. They can remove oversized particles or contaminants from the feed material (scalping) and size the material into different size fractions (sizing).

Versatility: Single deck horizontal screens are versatile and can be used for a wide range of applications, including screening of aggregates, minerals, coal, and other bulk materials. They are suitable for dry or wet screening operations and can handle various feed sizes and types of material.

Single Deck Horizontal Screens Application

Single deck horizontal screens are commonly used in various industries for the screening and classification of bulk materials. Here are some typical applications of single deck horizontal screens:

Aggregate Processing: Single deck horizontal screens are widely used in the aggregate industry for screening and separating different sizes of crushed stone, sand, gravel, and other aggregates. They are employed in various stages of aggregate processing, including primary screening, scalping, and final sizing.

Mining Operations: In the mining industry, single deck horizontal screens are utilized for screening ore, coal, minerals, and other mined materials. They are used in processes such as primary screening of run-of-mine ore, scalping ahead of crushers or grinding mills, and dewatering of mineral slurries.

Construction and Demolition Waste Recycling: Single deck horizontal screens are used in recycling facilities to screen and classify construction and demolition (C&D) waste materials. They help separate materials such as concrete, bricks, wood, and metal into different size fractions for further processing or recycling.

Wood Processing: In the wood processing industry, single deck horizontal screens are employed for screening wood chips, sawdust, and other wood products. They help remove oversized particles and contaminants from the material stream, ensuring the quality of the final product.

Compost Screening: Single deck horizontal screens are used in composting facilities to screen and classify organic materials such as compost, mulch, and biomass. They help remove oversized particles, rocks, and debris from the composting process, resulting in high-quality compost products.

Pulp and Paper Industry: Single deck horizontal screens find applications in the pulp and paper industry for screening pulp fibers, wood chips, and other raw materials. They are used in processes such as stock preparation, pulp screening, and chip washing to ensure the quality of the pulp and paper products.

Food Processing: Single deck horizontal screens are utilized in the food processing industry for screening and grading food products such as grains, seeds, fruits, and vegetables. They help remove foreign materials, oversize particles, and impurities from the food stream, ensuring food safety and quality.

Chemical and Pharmaceutical Industries: Single deck horizontal screens are used in the chemical and pharmaceutical industries for screening and separating various powdered or granular materials. They help classify materials based on particle size and ensure product consistency and quality.