Double Shaft Screw Conveyor
The double-shaft screw conveyor uses the rotating screw to move the conveyed material along the fixed casing to carry out the conveying work. The head and tail bearings are moved to the outside of the casing. The double-shaft screw conveyor hanging bearing adopts a sliding bearing. Dust-proof sealing device, the bearing bush of the double-shaft screw conveyor generally adopts powder metallurgy, the felt bearing pad is used for conveying cement, and the suspension shaft and the screw shaft are connected by a slider.

Technical Parameters
| Model | Double Shaft Screw Conveyor | |||||
| U-shaped double shaft | LS-220 | LS-250 | LS-300 | LS-350 | LS-400 | LS-500 |
| U-shaped double shaftless | LS-200 | LS-260 | LS-300 | LS-400 | LS-500 | |
| tilt angle | 0-60° | |||||
| Conveying speed | Customizable | |||||
| Special requirements | Can be equipped with a variable-speed motor | |||||
The Structure

A double shaft screw conveyor is mainly composed of a driving device, a head assembly, casing, spiral body, tank lining plate, feeding port, discharging port, machine cover (when necessary), base, and so on.
1. The connection between the screw shaft and the hanging bearing, the head and the tail shaft adopts the embedded tongue type, and the installation and disassembly do not require axial movement, and the maintenance is convenient. Long mandrel, fewer hanging and fewer failure points.
2. The variable diameter structure is adopted to increase the volume of the hanging bearing to avoid contact between the hanging bearing and the material. The life of the hanging bearing can reach more than two years.
3. Each transmission part adopts the floating connection method, and the hanging bearing is a universal structure, so that the spiral body, the hanging bearing, and the tail form a whole floating body, which can freely rotate and avoid the conveying resistance within a certain range, without jamming or blocking.
4. The head and tail bearing seats are outside the shell, and all bearings adopt a multi-layer sealing box with sealing technology, and the bearing has a long service life.
5. Compared with other conveying equipment, it has the advantages of a small cross-sectional size of the whole machine, good sealing performance, stable and reliable operation, multi-point loading and unloading in the middle, safe operation, and simple maintenance.
Application of the Double Shaft Screw Conveyor
The Double Shaft Screw Conveyor design solves the pain points of single-shaft screw conveyors when conveying certain special materials, and is mainly used for:
1. Conveying dewatered sludge and screenings. The dual-shaft design effectively handles these easily tangled, easily clogged, and viscous materials.
2. Conveying kitchen waste, aged waste, and incineration ash.
3. Conveying viscous chemical raw materials, resins, and wet powders, while simultaneously performing preliminary mixing during the conveying process.
4. Conveying wet, soft, and easily agglomerated food raw materials or by-products (such as vegetable scraps and feed mixtures), combining conveying and mixing functions.
5. Conveying wet ash and highly viscous building material raw materials.
Picture of the Double Shaft Screw Conveyor

Various types

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