Shaftless screw conveyor

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A shaftless screw conveyor is a continuous conveying equipment used for conveying viscous, easily entangled, high humidity, or fiber containing materials.

Good sales, structural composition

It mainly consists of a driving device, head assembly, housing, shaftless spiral body, groove lining plate, feeding port, discharging port, cover, base, etc. Drive devices often use cycloidal pinwheel reducers or shaft mounted hard toothed gear reducers; The shell is U-shaped or O-shaped, made of stainless steel, carbon steel or fiberglass; Axial spiral bodies are generally made of stainless steel or carbon steel; The groove lining plate is made of wear-resistant (based on actual reports) plastic plate, rubber plate or cast stone plate.

Secondly, the working principle

Electric motor drives the rotation of shaftless spiral blades. After entering the tank through the feeding port, the material is transported forward along the U-shaped groove by the thrust of the spiral blades. Because there is no intermediate shaft, material flow is smoother and less prone to blockage.

Thirdly, performance characteristics

Good anti entanglement performance: With no central axis design, it can avoid material entanglement, especially suitable for conveying belt shaped and easily entangled materials.

Large conveying capacity: The conveying capacity is 1.5 times that of traditional shaft screw conveyors with the same diameter.

Good environmental protection performance: Using fully enclosed conveying and easy to clean spiral surfaces, it can protect environmental hygiene and prevent the conveyed materials from being contaminated or leaking.

High torque, low energy consumption: The material is not easily blocked, the discharge port will not be blocked, and it can operate at low speed, with smooth transmission and reduced energy consumption. The torque can reach 4000N/m.

Compact structure: saves space, has a beautiful appearance, is easy to operate, and is economical and practical.

Common Specifications

Common models of WLS 150, WLS 200, WLS 250, WLS 300, WLS 400, WLS 500, etc. The spiral diameter ranges from 150mm to 470mm, and the allowable working angle is generally 0. ° -30 °, transportation length between 12 meters and 25 meters, transportation capacity of 2.4 meters. T to 28t/hour.

Fifth, the application industry

Widely used in industries such as sewage treatment, food processing, chemical engineering, and papermaking, it can transport materials with good viscosity and easy entanglement, such as dehydrated sludge, kitchen waste, pulp, adhesives, chemical waste, etc.

6、 Limitations

Generally suitable for short distance transportation, generally not exceeding 30 meters, long-distance transportation requires segmented design; Compared with axial screw conveyors, shaftless screws have greater frictional resistance and higher power consumption.

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