Powdered premixed material screw conveyor

Thursday January-08 2026  16:37:38

Powdered premixed material screw conveyor is a device that continuously conveys powdered premixed materials within a closed pipe. Its conveying capacity typically ranges from 0.5 to 120 m³/h, with a conveying speed of 20 to 140 rpm, which is adjustable. The conveying distance of a single unit is typically 2–30 m, but longer distances can be achieved through multi-unit combinations. The equipment is primarily constructed of carbon steel, 304 or 316L stainless steel, meeting hygiene requirements. The machine relies on the axial thrust generated by the rotation of the helical blades to achieve stable, uniform, and controllable conveying of the powdered premixed material within the sealed tubular structure.

Components of a Powdered Premixed Material Screw Conveyor

The powdered premixed material screw conveyor consists of a drive unit, a helical shaft and blades, a conveying housing, an inlet, an outlet, and a support and sealing system. The drive unit provides stable power to the entire machine and can be equipped with a frequency converter for stepless speed regulation; the screw shaft and blades push the powdered premix forward through rotation; the conveyor shell serves to bear, guide, and prevent dust from entering, thus avoiding leakage of the powdered premix; the feed inlet can be connected to upstream silos or metering equipment to achieve continuous and uniform feeding; the discharge outlet can be connected to downstream processes for unloading.

Functions of the Powdered Premixed Material Screw Conveyor

For the characteristics of powdered premixed materials—fine particle size, easy dust generation, easy stratification, and large differences in flowability—the Powdered Premixed Material Screw Conveyor provides stable conveying, quantitative control, dustproof sealing, and material homogenization functions. Its continuous feeding method avoids impact and segregation, preventing the impact and component separation caused by free-falling materials, thus maintaining a uniform premix ratio. Adjustable speed and quantitative feeding design help control the feeding ratio. The sealed structure, combined with sealing flanges and flexible connections, suppresses dust diffusion and improves the production environment. The low-speed, high-torque design also reduces shear damage to materials, preventing changes in powder properties and ensuring stable premix quality.

Powdered Premixed Material Screw Conveyor Parameters

Note: The above data is based on a material density of approximately 1.0 g/cm³. If the desired parameter value is not found in the table, please contact us online. DaHan Machinery will recommend a suitable model based on your needs.

Powdered Premixed Material Screw Conveyor Applications

Powdered premixed material screw conveyors can be used in industries such as food, feed, chemicals, building materials, pharmaceuticals, and new energy materials. They are commonly used in processes such as raw material conveying, batching, pre- and post-mixing transfer, and pre-packaging feeding. In terms of production line integration, this equipment can connect to silos, mixers, weighing scales, reactors, and other equipment via flanges, flexible connections, or quick interfaces, and is linked with an automatic control system to achieve continuous and automated production.

Powdered Premixed Material Screw Conveyor Solution

A dry mortar production line needs to stably convey pre-mixed powdered premixed materials to a packaging machine, requiring continuous, dust-free, and segregation-free operation. The project selected a fully enclosed powdered premixed material screw conveyor, with a conveying length of 12 meters, a diameter of 219 mm, and made of 304 stainless steel. The feed inlet and mixer use a flexible connection structure to prevent vibration transmission and powder leakage. The screw blades adopt a variable pitch design, with a large pitch at the front for rapid feeding and a small pitch at the rear for stable discharge, avoiding material accumulation. The flanges and shaft ends of the entire machine are sealed, achieving stable conveying and automated packaging.

As a device for conveying powdered premixed materials, the powdered premixed material screw conveyor not only conveys but also achieves slight mixing of the powdered premixed materials during the conveying process. As a manufacturer with mature design experience and customization capabilities, DaHan Machinery can provide targeted solutions based on the characteristics of customers' materials and process conditions. We can also customize multiple models of machines, including mobile, inclined, vertical, and horizontal types, according to the factory's space size, to ensure the uniformity and purity of powdered premixes.