Shandong Headpowder Engineering Co., Ltd. (shortened as headpowder) successfully delivered a comprehensive wheat flour positive pressure conveying system for a well-known food processing enterprise located in Wuhan, Hubei Province. This project serves as a benchmark for the application of advanced pneumatic conveying technology in the food powder handling industry. The system is specifically designed to handle wheat flour, a fine and cohesive powder, with high efficiency, minimal degradation, and strict hygiene standards. By implementing a positive pressure pneumatic conveying solution, the client achieved seamless transfer of flour from storage silos to production lines, eliminating manual handling and reducing cross-contamination risks.
The core product delivered in this project is the wheat flour positive pressure conveying system, a specialized solution within the broader category of food powder conveying systems. This system utilizes compressed air to transport wheat flour through sealed pipelines under positive pressure, ensuring gentle handling and maintaining product quality. Unlike mechanical conveyors, pneumatic systems offer dust-free operation, flexible routing, and easy integration into existing plant layouts. The wheat flour positive pressure conveying system is engineered to handle flour with a bulk density of approximately 0.5–0.6 g/cm³, particle size typically below 200 microns, and a moisture content of around 14%. The system includes a rotary airlock feeder, a positive displacement blower, a pipeline network with smooth bends, and a cyclone separator or filter receiver at the discharge point. For this specific project, headpowder custom-designed the system to meet the client's requirement of conveying 10 tons of wheat flour per hour over a horizontal distance of 80 meters and a vertical lift of 15 meters.
One of the most important features of this wheat flour positive pressure conveying system is its ability to maintain a consistent and stable material-to-air ratio. This ensures that the flour does not clog or segregate during transport, even when the conveying distance or elevation changes. The system incorporates a unique air injection mechanism that prevents the formation of dead zones inside the pipeline, which is critical for food-grade applications where hygiene is paramount. Additionally, the positive pressure design allows for multiple discharge points along the same line, enabling the flour to be distributed to different production stages—such as mixing, dough preparation, and packaging—without additional equipment. The entire system is constructed from 304 stainless steel, with all internal surfaces polished to a Ra ≤ 0.8 μm finish to meet food safety regulations. The system is also equipped with an automatic cleaning function using compressed air purging, reducing downtime between product changeovers.
This project is a classic example of the use of food powder conveying systems in the modern food industry. Wheat flour, being a common but challenging powder due to its high cohesiveness and tendency to form bridges, requires a specially engineered pneumatic solution. The positive pressure method is preferred over vacuum systems for long-distance conveying because it maintains higher pressure differentials and can handle larger capacities. In this case, the system was integrated with the client's existing silo discharge system and PLC-controlled production line. The installation included a remote monitoring interface that allowed operators to track flow rates, pressure levels, and filter backflushing cycles in real time. This level of automation not only improved operational efficiency but also reduced labor costs by 30% compared to the previous manual transfer method. The food powder conveying system supplied by headpowder is now a core part of the client's daily production, ensuring consistent quality of their final baked goods and pasta products.
The flour pneumatic conveying engineering implemented at this Wuhan facility demonstrates the expertise of Shandong Headpowder Engineering Co., Ltd. in designing and installing complete turnkey systems. From the initial material characterization and flow rate calculation to the computational fluid dynamics (CFD) simulation of the pipeline network, every step was carefully managed to avoid common issues such as pipeline wear, material degradation, or energy inefficiency. The system operates at a conveying velocity of 20–25 m/s, which is optimal for wheat flour to prevent particle breakage while maintaining adequate suspension in the air stream. The blower unit is equipped with a variable frequency drive (VFD) to adjust the airflow according to real-time demand, further reducing energy consumption. The client reported a reduction in energy costs by 18% compared to their previous mechanical screw conveyor system. Moreover, the enclosed nature of the pneumatic system eliminated dust emissions, significantly improving the plant's air quality and compliance with local environmental regulations.
The project was executed in three phases: design and engineering, equipment fabrication, and on-site installation with commissioning. The design phase took four weeks, during which headpowder's engineering team collaborated closely with the client's facility managers to map out the exact layout of the conveying lines, considering obstacles such as existing columns, electrical panels, and overhead cranes. During fabrication, all components were tested in-house to ensure leak-tightness and material compatibility. On-site installation was completed in two weeks, followed by a comprehensive commissioning procedure that included empty line testing, partial load testing, and full capacity testing. The final acceptance test confirmed that the system achieved a conveying rate of 10.5 tons per hour, exceeding the client's target by 5%. The system has been in continuous operation for over 12 months without any major downtime, and the client has expressed high satisfaction with the reliability and performance. For contact information regarding similar projects, you may reach out to Manager Zhang, who oversaw this project. Contact: Manager Zhang, WeChat: 15662777102.
Based in China's Shandong province, Shandong Headpowder Engineering Co., Ltd. (headpowder) has accumulated extensive experience in the design and manufacturing of pneumatic conveying systems for over a decade. The company specializes in handling a wide range of food powders, including wheat flour, corn starch, cocoa powder, milk powder, and sugar, among others. Each project is approached with a focus on customization, taking into account the specific physical properties of the material, the existing plant layout, and the desired throughput. The company's engineering team is proficient in both positive pressure and vacuum conveying technologies, and they offer integrated solutions that include storage silos, bag dump stations, sieving machines, and automated control systems. The wheat flour positive pressure conveying system case in Wuhan is just one of many successful installations across China and international markets. By choosing headpowder, clients benefit from a single-source responsibility for the entire system, from concept to commissioning, along with a responsive after-sales service team. For any inquiries or to discuss your own project, you are welcome to contact Manager Zhang directly via WeChat at 15662777102.
The wheat flour positive pressure conveying project for the food enterprise in Wuhan, Hubei, stands as a testament to the capabilities of Shandong Headpowder Engineering Co., Ltd. in delivering efficient, hygienic, and reliable food powder conveying systems. The successful implementation of this flour pneumatic conveying engineering solution has significantly improved the client's production efficiency, reduced operational costs, and enhanced workplace safety. As the demand for automated and dust-free material handling continues to grow in the food industry, headpowder remains at the forefront, providing innovative pneumatic conveying systems tailored to each customer's unique requirements. Whether you need a small-scale system for a bakery or a large-scale installation for a flour mill, headpowder has the expertise to deliver. For more information or to start a conversation about your needs, please contact Manager Zhang via WeChat: 15662777102.
Shandong Headpowder Engineering Co., Ltd.
156-6277-7102（Zhang manager） 
0531-83386006 
Jinan City, Shandong, China Province 
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