Greentech International (Zhangqiu) Co., Ltd.
Greentech Industry (Jinan) Co., Ltd.
A positive-pressure pneumatic conveying system may sound technical, but the concept is actually simple. A Roots blower pushes clean, pressurized air into the system. Material drops by gravity into the rotary feeder, which releases it steadily into the airflow. The air and material travel together through the pipeline until they reach the separator. There, the material falls into the bin, and the filtered air goes safely into the atmosphere.
Because the inside of the system is always under pressure, outside air, dust, or even rainwater can’t get in. This keeps the whole transport line clean and prevents contamination—a big plus for sensitive industries.
Even though it runs on positive pressure, the system doesn’t need high force to move material. The energy demand stays low, making it efficient and cost-friendly for long-term use.
The rotary feeder provides steady feeding, so the flow stays smooth. This reduces blockages and keeps the system running without interruption. It’s ideal when factories need continuous movement of powder or granules.
Pipes can be arranged in many ways, which means one feeding point can supply several destinations. Whether it's moving material to different machines or multiple storage bins, the system can handle it.
From food ingredients to chemical powders and even cement-type materials, the system performs well with a wide range of products.
By adjusting airflow and temperature, the system can also help with drying or separating material. This boosts efficiency and reduces extra equipment costs.
Industries that require clean transport—like food, pharma, or fine chemicals—benefit the most. The sealed, positive-pressure design keeps the operation tidy and safe.
It’s commonly used in food processing factories, chemical plants, building material production, and any place that needs steady and clean short-distance conveying. The system is especially valuable when companies want stable production flow without contamination or downtime.

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