Roller Screen Coal Handling Plant

The Coal Roller Screen is a durable and efficient piece of screening equipment designed to provide both separation and material transport. Built with several shafts carrying rotating discs, it creates a large and continuous screening area that ensures uniform material flow, reliable classification, and stable operating performance in bulk handling processes.

Known as Coal Roller Screen or Wobble Feeder, the Coal Roller Screen is especially suitable for moist, sticky, or challenging feed materials that typically clog vibrating screens. Its open rotating design effectively prevents blockages, ensuring uninterrupted throughput, stable capacity, and dependable screening performance over long service cycles.

With these advantages, our Coal Roller Screen s are widely applied in coal mining, cement manufacturing, metallurgy, and chemical industries. They deliver robust performance, ease of maintenance, and extended service life, helping operators achieve greater efficiency and reduce operational costs.

 

 

 

 

 Core Structure And Movement Principle

The core screening surface of the Coal Roller Screen is composed of multiple parallel arranged sieve shafts. On each sieve shaft, there are several specially designed irregular-shaped sieve discs. All the sieve shafts rotate in the same direction and at the same speed under the drive of the driving device, jointly forming a continuous and uniform rolling screening surface.

 

 Efficient material screening process

During this process, the gap between the sieve disc and the sieve shaft determined the size of the sieve holes:
Screened Material: Materials with a particle size smaller than the sieve holes. Under the combined effect of their own gravity and the rotational force of the sieve shaft, they smoothly pass through the sieve holes and fall down, being collected as the screened product.
Screened Material: If the material has a particle size larger than the sieve holes, it will continue to be transported forward along the sieve surface under the rotational drive of the sieve plate, and eventually be discharged as the screened product.
 

 Final Outcome

Through this continuous mechanical movement, the Coal Roller Screen efficiently and accurately achieves the classification of materials by particle size, meeting the requirements of various production processes.

 

 

 

 

 

 

Our company has skilled technical workers and perfect quality management system, to ensure the high quality of the core components of the Coal Roller Screen , to provide a guarantee for the high-performance operation of the product.

  Screen Disc

The screen disc is made by casting a wear-resistant manganese-chromium alloy steel as a whole, which has excellent wear resistance. It can withstand the impact and wear of large pieces of materials and will not undergo any deformation or fracture.
The screen disc is designed as a parabolic sieve plate shape and is rounded to eliminate sharp corners, minimizing the rotational resistance of the sieve plate.
The parabolic screen disc can maximize the disturbance ability of the roller screen disc on the material flow and improve the screening rate.

 

 

 

 

 

 

 

A high quality mechanical products, must have excellent tooling equipment. In order to ensure its accuracy and meet the needs of large orders. Henan Excellent Machinery Co.,Ltd owns 140 sets of professional equipment, including Five-axis Gantry Machining-center, CNC Boring And Milling Machining Center, Vertical Machining Center, Vertical CNC Machining Center, Gantry Machining Center, Laser Cutting Machine, Laser Pipe Cutting Machine, Welding Robot Workstation, Lengthen Lathe, CNC Horizontal Machining Center, etc. Advanced processing and manufacturing equipment including Environmental Spraying Room and Heat Trea equipment and ultra large Surface Heat Treatment.

 

 

 

 

At present, EXCT has fully passed ISO9001-2008 international quality system certification, complete quality system make sure that from the product development and design, production, procurement and supply to sales and service process has been effective quality controlled.

EXCT has a rigorous and skilled inspection team to ensure the success of product quality control. The quality inspection department has a strict testing process that runs through the stages of raw material procurement, production, and installation to ensure that every piece of equipment delivered to customers is qualified.

 

 

 

 

1.Which material to be screened: ____________
2.Handling capacity: __________ (t/h)
3.Material density:___________(t/m3)
4.Max. granule size of the feeding material: ______mm
5.What is the percentage of the maximum material in the total feed materials? _________%
6.What is the size of the screen hole of the Coal Roller Screen ?__________(mm)
7.Are there any requirements for the arrangement of the Coal Roller Screen ? Is it horizontal or inclined? 
8.Which kind of equipment will feed the material into Coal Roller Screen ?
9.Which kind of equipment will receive the material from Coal Roller Screen ?
10.Does the Coal Roller Screen work alone or with other equipment to form a system? If forming a system, please provide the flow chart or layout drawing of the whole system for our engineers to reference.

 

 

 

 

 

 

 

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