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Solving the Challenge of Fine Particle Agglomeration: Technological Innovation of the Navector Small Negative Pressure Airflow Sieve

2025/10/30

Low-density and easily agglomerated fine particles often face issues such as uneven dispersion and screen blockage during the screening process, which severely affect both efficiency and accuracy. The small negative pressure airflow sieve developed by Navector (Shanghai) Screening Technology Co., Ltd. adopts an advanced aerodynamic design specifically engineered for fine particle screening and analysis, effectively overcoming the difficulties that traditional screening equipment faces when handling such particles efficiently.


I. Targeted Design: Optimized for Low-Density Particle Screening

The small negative pressure airflow sieve is designed specifically for low-density and easily agglomerated fine particles, effectively preventing particle agglomeration. By precisely adjusting the airflow velocity, the equipment can disperse particles efficiently and prevent adhesion between them, ensuring a smooth screening process. Unlike traditional mechanical screening devices, this system requires no excessive vibration or pressure, preserving the original characteristics of the particles and avoiding sample damage.

  • Airflow dispersion: Strong airflow quickly disperses particles, effectively preventing agglomeration.
  • Adaptation to low-density particles: The design specifically accounts for the screening requirements of low-density particles, ensuring their even distribution on the screen surface and improving screening efficiency.


II. Precise Screening: Gentle yet Efficient Process

The screening process of the small negative pressure airflow sieve is both gentle and efficient, avoiding the particle breakage and screen blockage often caused by excessive vibration or pressure in traditional methods. Through a continuous negative pressure airflow, particles pass smoothly through the mesh openings and are effectively collected. The entire process requires no mechanical auxiliary components, reducing maintenance needs and greatly improving screening efficiency.

  • Gentle screening process: Prevents excessive vibration, protecting particles from damage.
  • Efficient airflow: Continuous negative pressure airflow ensures high efficiency and precision during screening.
  • No mechanical interference: No additional mechanical assistance required, reducing equipment failures and maintenance costs.



III. Flexible Operation: Precise Control and High Repeatability

The operation of the small negative pressure airflow sieve is highly flexible, with all parameters (such as screening time, negative pressure, nozzle speed, etc.) digitally adjustable to meet various particle screening requirements. Users can adjust airflow intensity and screening duration according to specific needs, ensuring high repeatability and consistency for every screening process. In addition, the equipment is equipped with an optional automatic pressure control function, simplifying operation and making it suitable for large-scale production environments.


The Navector small negative pressure airflow sieve, designed specifically for low-density and easily agglomerated fine particles, precisely meets the strict screening requirements across industries such as pharmaceuticals, chemicals, and food. With its gentle screening process, efficient airflow dispersion, and precise operational control, it has become the ideal choice for fine and accurate particle screening in various industries.

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