Description
Shaftless Screw Conveyor Description
Shaftless screws (spirals) offer a larger volume capacity and the possibility of handling particularly difficult materials like those that tend to become tangled up or those that present highly variable particle size. Material properties, oversize thickness, as well as a special manufacturing process make the spiral highly resistant and extremely durable. Due to the absence of intermediate bearings, obstacle-free material handling is guaranteed. The completely enclosed trough prevents any material leakage. Trough covers with appropriate gaskets enable odour-free operation and form a barrier preventing any atmospheric agents from entering the system. At the same time the conveyor offers maximum access to its inside for inspection and cleaning. Maintenance is reduced to the minimum due to a limited number of components. There is a vast choice of liners depending on specific characteristics of the material handled.
SSC Shaftless Screw (Spiral) Conveyors are designed for handling of difficult heterogeneous materials such as urban solid waste, screenings and floating matter, de-watered, thickened, conditioned sludge, packaged food, creams or pastes, as well as waste from meat, fish , fruit and vegetable processing. The main sectors of application are: waste water treatment, sugarhouse rejects, fish industry, solid waste treatment, fruit and vegetable processing plants, beverage industry, pulp and paper, chemical industry, food industry in general, meat processing plants, abattoirs/slaughterhouses, restaurants, canteens, and catering in general.
Shaftless Screw Conveyor Structure
Shaftless screw conveyor is mainly composed of shaftless screw, U-shaped spiral groove, cover plate, lining plate, inlet and outlet, discharge outlet and driving device.
Shaftless Screw Conveyor Type
Single shaftless screw conveyor screw shaft, without mixing and stirring functions.
Twin Shaftless Screw Conveyor It adopts double screw blades with mixing and stirring functions. The two screw blades rotate in opposite directions to avoid material blocking. The conveying capacity is 1.5-2 times that of a single shaft.
Inclined Shaftless Screw Conveyor mainly used for conveying materials at a small angle of 25°.
Shaftless Screw Conveyor Technical
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DLS
Model
|
Capacities
(m3/h)
|
Length | Speed | Size | ||||
| 00 | 150 | 300 | (m) | (r/min) | A(mm) | B(mm) | B0(mm) | |
| DLS200 | 2 | 1.4 | 0.9 | 10 | 20 | 200 | 310 | 270 |
| DLS260 | 3.5 | 2.5 | 1.5 | 10 | 20 | 260 | 370 | 340 |
| DLS320 | 9 | 6.5 | 4.1 | 15 | 20 | 320 | 430 | 400 |
| DLS355 | 11.5 | 7.8 | 5.5 | 20 | 20 | 355 | 465 | 435 |
| DLS420 | 15 | 11 | 7.5 | 20 | 20 | 420 | 530 | 500 |
| DLS500 | 30 | 25 | 21 | 20 | 20 | 500 | 560 | 680 |
Shaftless Screw Conveyor Benefits
Bolt slot cover
Standard water inlet
Inspection and overflow
Drain Kit
Slot feet
Cleaning nozzle
Different types of power transmission: direct drive, coupling drive, chain drive, belt drive
Different linings available: with wear signal, bottom strip or base plate, white or black plastic
Spiral guide rod
Shaftless screw conveyors VS Shafted Screw Conveyors
Conveying materials
Shaftless is suitable for conveying sludge, household garbage, grid slag and other viscous, entangled materials and massive materials. It is precisely because the design of the shaftless screw conveyor without a central axis has great advantages for these materials.
The shaft screw conveyor is suitable for conveying materials: powder, small particle materials, etc. If you convey viscous
materials such as sludge, it will stick to the inner tube shaft and blades, and the conveying block materials are easy to jam.
Conveying form
Shaftless screw conveyor is suitable for: horizontal conveying, and the large inclination angle should not exceed 20°, according to the actual usage.
The shaft screw conveyor is suitable for: horizontal conveying, inclined conveying, and vertical conveying.
Conveying capacity
Due to the use of shaftless, the single-machine conveying length of the shaftless screw conveyor can reach 60 meters, and the conveying capacity is 1.5 times that of the traditional shafted screw conveyor with the same diameter
Shaftless Screw Conveyors Application
Ceramic industry: clay, silica, sand, polishing materials, etc.
Food industry: soybean, peanut, starch, milk powder, salt, sugar, etc.
Plastics industry: plastic powder, plastic particles, etc.
Wood industry:wood chips, wood sawing surface and byproducts, etc.
Environmental: the filter material, fly ash, fixed residue, waste, etc.
Agriculture:livestock feed, food, powder, etc.
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