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Shaftless Screw Conveyor

Shaftless Screw Conveyor

Shaftless screw conveyors have high working capacity and resistance against tangling materials, when compared to traditional screw conveyor. The U-form trough plates can be longitudinally divided, and are made by carbon steel or 304L/ 316L stainless steel, having an appropriate surface treatment. Bearing components are connected with spiral through flange shaft sleeve. The liner can be inserted into the lower part trough plate having a wider cross section than the side channel. Materials can be loaded into trough directly, and are conveyed by a heavy-duty spiral blade.
Our shaftless screw conveyors are used to convey sludge, creamy or pasty materials, food residue, urban solid waste, and the waste produced in processing meat, fish, fruits and vegetables, in wastewater treatment, the sugar industry, fishing industry, solid waste disposal, fruit and vegetable processing plants, beverage industry, paper industry, chemical industry, general food industry, meat processing plants, slaughterhouses, restaurants, cafeterias and public restaurants, etc.

Specifications of Shaftless Screw Conveyor
1. Rate of delivery: 65m³/h (38 cfm) of sludge conveying, 25m³/h (15 cfm) for residue
2. Driving power: 0.55 kW (0.75 HP) -- 7.5 kW (10 HP)
3. Enclosed trough avoid the leak of materials, and the capping with suitable liner results in no air ventilation, thus, the peculiar smell in trough do no harm to operator.
4. Less components and maintenance required
5. Whole shaftless screw conveyor covers small areas, and has high self-cleaning ability.

Options and Accessories
WAM® Standard inlet tube
Observation window and overflow window
Tank stand
Scrubbing pipe
Direct drive, chain drive, coupled transmission or belt drive
Optional liners

Parameters of Shaftless Screw Conveyor

Q (m3/h)
SCREW Φ A B C D E F G Screenings Biological Sludge
150 175 115 75 145 258 129 145 0.4 1.5
200 225 135 105 185 334 167 185 0.7 3
250 275 160 140 240 396 198 215 1.5 6
300 325 195 160 280 474 237 245 2.5 10
400 425 270 220 360 632 316 305 5 20
500 525 340 300 460 774 387 380 10 35

A. PLAIN SHAFT
B. DIRECT DRIVE
C. FLEXIBLE COUPLING
D. CHAIN TRANSMISSION
E. PULLEY DRIVE

Heyin construction equipment Co., Ltd. is a professional shaftless screw conveyor supplier based in China. Our primary products include concrete batch plants, mobile concrete plants, asphalt concrete plants and concrete mixers, etc. We apply high quality key components purchased from international famous companies. As our concrete equipment has stable performance, high quality, less noise and competitive price, they are exported to Russia, India, Brazil and Arab, and other countries and regions.
If you are in need of shaftless screw conveyors, or concrete plants, please contact us at Heyin construction equipment Co., Ltd.. We look forward to providing high quality products and excellent service to our valued customers.

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Company Brief : Road construction equipment is the general name of mechanical equipments used for road construction and maintenance. It is a kind of special machinery. Nowadays, global road transportation is developing quickly which caused the fast development of road construction. Therefore, marketing demand of concrete mixing plant, asphalt mixing plant and stabilized soil mixing plant is continuously increasing. We find the potential in road construction equipment market. As a result, we established Heyin construction equipment Co., Ltd.