Angled Screw Conveyor

What is Angled Screw Conveyor?

Angled Screw Conveyor  mainly drives bulk, powder, granular and other materials to be transported obliquely along the axial direction through the rotation of the internal spiral blades. Common types include U-trough type and tube type, which are selected according to different material properties and site environment. The conveying distance of a single Angled Screw Conveyor is usually between several meters and tens of meters. For example, the conveying distance of a common model may range from 5 meters to 30 meters. A screw conveyor with a diameter of 200 mm can handle several cubic meters to tens of cubic meters of materials per hour under suitable working conditions.

What are the types of Angled Screw Conveyor?

The U-trough Angled Screw Conveyor adopts a U-shaped cross-section trough body, and a cover is usually added on the top for sealing. The main advantage of this design is that it is relatively simple to manufacture and is very convenient for maintenance and cleaning. You only need to open the cover to perform internal operations or replace parts. It is suitable for material transportation from horizontal to medium inclination angles (usually around 0° to 30°). However, the limitation of the U-trough type is that when the inclination angle is too large, the material may fall back from the upper part of the trough body, which will reduce the conveying efficiency. At the same time, its airtightness may be slightly lower than that of the tubular design in some cases.

Tubular Angled Screw Conveyor adopts a completely enclosed circular tubular shell. The sealing, with very little dust leakage, makes it very suitable for occasions with strict requirements on hygiene standards or material purity. The tubular design can better limit the fall of materials, so it can achieve a larger inclination angle conveying, usually between 30° and 45°, and some special designs can even be close to vertical conveying. In addition, its compact tubular structure is also more advantageous in space-constrained installation environments. However, the main limitation of the tubular Angled Screw Conveyor is that its maintenance and cleaning are relatively inconvenient, and usually a special inspection port needs to be set on the tube body.

Basic parameters of Angled Screw Conveyor

What are the advantages of Angled Screw Conveyor?

As an important material conveying equipment, Angled Screw Conveyor has unique advantages in specific application scenarios compared with other conveying methods:

Flexible material lifting and spatial adaptability: The most notable feature of Angled Screw Conveyor is its angle adjustability. It can realize continuous conveying of materials in horizontal, inclined or even nearly vertical directions, effectively solving the problem of material height difference between equipment at different heights in the production line. This design makes its space utilization rate high, and its compact structure and tiltable layout characteristics can better adapt to limited plant space and complex process layout, especially in occasions where obstacles need to be crossed or three-dimensional conveying is required.

Enclosed conveying: Most equipment uses a fully enclosed trough or tubular shell, which effectively prevents powdered and granular materials from flying and spilling during the conveying process. This enclosed structure can also protect the material from the influence of the external environment (such as moisture, impurities, pollution), ensuring the purity of the material.

Wide material adaptability: Angled Screw Conveyor can adapt to a variety of materials, including various types of powdered, granular and small bulk materials. In particular, the shaftless Angled Screw Conveyor performs particularly well when handling special materials that are highly viscous, easy to entangle, wet or contain fibers. It can effectively avoid clogging problems and expand its application range.

What are the applications of Angled Screw Conveyor?

As an important material conveying equipment, Angled Screw Conveyor can convey bulk, powdery, granular and other materials at a certain inclination angle. The following are some common application scenarios of Angled Screw Conveyor:

Vertical or near-vertical lifting of materials: When materials need to be transported from a lower place to a higher place and the horizontal space is limited, Angled Screw Conveyor can provide a compact and efficient solution. It can achieve continuous lifting of materials, such as conveying from the ground to the top of the silo, or transferring materials between different floors.

Material transportation in confined spaces: In environments with limited space such as factories and workshops, traditional horizontal conveying equipment may not meet the needs. Angled Screw Conveyor can adjust the angle according to the on-site space to adapt to narrow or irregular layouts and achieve effective material transportation.

Conveying that needs to avoid material contamination or flying: Angled Screw Conveyor usually adopts a fully enclosed structure, which enables it to effectively prevent material leakage, flying and external contamination during the conveying process. This is especially important for scenarios where the purity of the material needs to be maintained or environmental pollution needs to be avoided.

Long-distance or multi-point conveying: The series connection or combination of multiple Angled Screw Conveyors can achieve long-distance material transportation, or transfer and distribution of materials between different locations.

Angled Screw Conveyor Case

Angled Screw Conveyor, also known as inclined screw conveyor, is a type of screw conveyor, which is characterized by a certain inclination angle between the screw shaft and the trough body, and is mainly used to lift bulk materials from a lower position to a higher position in a limited space. Its application scenarios are wide, covering multiple industries and material types. In the agricultural field, Angled Screw Conveyor is a common lifting and transfer equipment, such as grain lifting, lifting crops such as corn, wheat, and soybeans from ground receiving ports or hoppers to silos, drying equipment, or trucks. In feed mills, it is used to lift powdered or granular feed from the bottom of the mixer to the packaging machine, storage bin, or the next processing step. Fertilizer loading, lifting bulk or bagged fertilizer to the planter, fertilizer spreader, or dispensing line. In food processing environments with high requirements for hygiene and material integrity, Angled Screw Conveyor also plays a role, lifting sugar, flour, coffee beans, spices, puffed food particles, grains, etc. from the ground or low-level containers to mixers, oven feed ports, packaging machine hoppers, or weighing systems. In production lines, semi-finished products (such as dough scraps before baking, dried fruit pieces) or small granular finished products are transported across heights. During the conveying process, the rotating characteristics of the screw can also have a slight mixing or homogenizing effect on certain materials. Angled Screw Conveyor has become a practical solution to the problem of high-difference material transportation in many industrial scenarios due to its lifting capacity, floor space and adaptability to the handling of specific materials.

In actual operation, the design and selection of Angled Screw Conveyor need to comprehensively consider multiple factors such as material properties, conveying height, horizontal distance, and on-site space limitations. When the equipment is running, regular maintenance is required, including inspection and lubrication of key components such as bearings and reducers to ensure its long-term stable operation. At the same time, the abrasiveness, adhesion, and water content of different materials will affect the degree of wear of the spiral blades and the trough body. Therefore, when selecting materials and performing daily operations, adjustments need to be made according to actual conditions.