Difference Between Horizontal Centrifugal Sifter and Vertical Centrifugal Sifter

Centrifugal sifter is a kind of powder screening machine utilize wind power to screen small and light fine powder materials. These screens can be categorized into vertical centrifugal sifter and horizontal centrifugal sifter machine. This article explores the differences between these two types of centrifugal sifters, focusing on their performance, screening capacity, and applications.

Airflow Sieving Machine 

Airflow Sieving Machine 

Key Differences Between Horizontal and Vertical centrifugal sifter

Appearance:

  • Vertical Centrifugal Sifter: The screen box is installed vertically.
  • Horizontal Centrifugal Sifter: The screen box is installed horizontally.

Screening Accuracy:

  • Horizontal Centrifugal Siftern: Offers a screening mesh below 500 mesh with a power range of 2.2-5.5 kW.
  • Vertical Centrifugal Sifter: Provides a screening mesh between 80-600 mesh with a power range of 3-15 kW, resulting in higher screening accuracy compared to the horizontal centrifugal sifter.

Applications:

  • Vertical Centrifugal Sifter: Generates stronger wind force, making it suitable for large-scale industrial screening. It requires that 90% or more of the screened raw materials are fine materials, ideal for fine powder screening.
  • Horizontal Centrifugal Siftern: Can screen materials with more coarse powder, making it versatile for various applications.

Screening Method:

  • Vertical Centrifugal Sifter: Uses negative pressure airflow to mix the material with air before it enters the wind wheel in the screen machine. The wind wheel blades apply centrifugal force, allowing the material to spray through the net.
  • Horizontal Centrifugal Sifter: After passing through the spiral conveying system, the material is mixed with airflow and atomized into the net cylinder. The wind wheel blades in the cylinder apply centrifugal force and cyclone driving force, forcing the material through the net.

Advantages:

  • Horizontal Centrifugal Sifter: Features a gas protection system that delivers purified air, reducing the operating temperature and forming a gas isolation layer for the bearing. This design isolates dust pollution, extends bearing life, reduces maintenance frequency, and improves work efficiency.
  • Vertical Centrifugal Sifter: Achieves high screening accuracy with no super mixing phenomenon. The screen is installed vertically, leading to a long service life without load. It operates under negative pressure semi-circulation, preventing dust pollution.

Models:

  • Horizontal Centrifugal Sifter: Models include WQS18-85/WQS30-100/WQ70-180/WQ50-130, with each model representing different sizes.
  • Vertical Centrifugal Sifter: Models include WS-600, WS-1000, WS-1000, where the model designation corresponds to the diameter size of the vertical Centrifugal Sifter.

Summary

Horizontal and vertical centrifugal sifters both serve crucial roles in fine powder material screening, yet they differ significantly in design, accuracy, applications, screening methods, advantages, and models. Horizontal centrifugal sifter machine is versatile and feature a gas protection system for enhanced efficiency and reduced maintenance. Vertical centrifugal sifter, with their high screening accuracy and robust industrial capabilities, are ideal for fine powder screening and large-scale applications. Understanding these differences will help you select the most suitable centrifugal sifter for their specific needs.

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