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The TFDZA Air Aspirator Channel is a professional cleaning device designed for pre-cleaning and fine cleaning of grains and seeds. It is widely applied in grain depots, seed companies, flour mills, rice mills, feed factories, chemical plants and food processing industries. This equipment can handle various granular materials, including wheat, maize, rice, beans, oil seeds and flour mill raw grains. When equipped with an air aspirator, it can further remove dust impurities in materials, and operators can adjust the machine parameters according to the characteristics of raw grains to achieve the ideal air cleaning effect.
It relies on aerodynamic principles and precision structural design to separate impurities from grains through graded airflow. The equipment is not only suitable for the final cleaning stage of grain processing lines, but also can be used for coffee bean density sorting, nut shell fragment removal, spice purification and plastic flake separation in recycling plants.
The machine adopts an aerodynamic aluminum alloy body, which is equipped with graded airflow channels and 18 adjustable baffles to realize optimal separation of materials and impurities. Transparent polycarbonate panels are installed on the body, providing full visibility of the internal cleaning process. Integrated LED lighting ensures clear observation even in low-light environments.
All contact surfaces of the equipment use food-grade materials, meeting the hygiene requirements of food processing. Its modular design allows for easy expansion or reconfiguration according to production needs, greatly improving the flexibility of application.

It requires a vertical clearance of 2m and a stable compressed air supply with a pressure of 3-5 bar.
Optional PTFE-coated or heated versions are available, which can effectively solve the problem of processing sticky materials.
The air consumption is typically 150-800 m³/h, which depends on the channel width and the type of processed materials.
The lead time for non-standard configurations is 4-5 weeks.
Zero moving parts: The equipment has no moving parts, which minimizes daily maintenance work and reduces operation and maintenance costs.
Three-stage impurity collection: It is equipped with easy-access impurity collection trays, realizing efficient classification and collection of different types of impurities.
Customizable width: The channel width can be selected from 600mm to 2500mm, adapting to different production scales and material processing needs.
Integrated airflow sensors: Built-in airflow sensors monitor the airflow status in real time to ensure consistent and stable cleaning performance.
Corrosion-resistant construction: The whole machine is made of corrosion-resistant materials, which prolongs the service life and is suitable for various harsh working environments.
Optional UV sterilization module: For food processing scenarios, an optional UV sterilization module can be added to meet higher hygiene standards.
The TFDZA Air Aspirator Channel has four standard models, with different specifications to meet diverse application needs. The TFDZA100 model has a channel width of 1020mm, a depth of 150mm, an air pressure of 50mm H₂O, an air volume of 52-90m³/min and an overall size of 1020×200×1450mm. The TFDZA150 model has a width of 1520mm, a depth of 180mm, the same air pressure of 50mm H₂O, an air volume of 80-135m³/min and a size of 1520×200×1450mm. The TFDZA180 model has a width of 1820mm, a depth of 180mm, an air volume of 160m³/min and a size of 1820×300×1450mm. The TFDZA200 model has a width of 1820mm, a depth of 180mm, an air volume of 100-180m³/min and a size of 1840×300×1450mm. The equipment requires 2m vertical installation clearance and a stable compressed air supply of 3-5 bar, with an air consumption of 150-800 m³/h depending on channel width and processed materials.
Model | Width (mm) | Depth (mm) | Air pressure (mm H2O) | Air volume (m³/min) | Size (mm) |
TFDZA100 | 1020 | 150 | 50 | 52-90 | 1020*200*1450 |
TFDZA150 | 1520 | 180 | 50 | 80-135 | 1520*200*1450 |
TFDZA180 | 1820 | 180 | 50 | 160 | 1820*300*1450 |
TFDZA200 | 1820 | 180 | 50 | 100-180 | 1840*300*1450 |