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Shaftless Screw Conveyor for Sludge Conveying
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Shaftless Screw Conveyor for Sludge Conveying

BOEEP shaftless screw conveyor is a kind of machine to transport sludge cake from the discharge of sludge dehydrator.
  • WLS-260
  • WLS

Product Description of Shaftless Screw Coneyor

BOEEP shaftless screw conveyor is not interfered by the central axis, and has special advantages for conveying belt and winding materials. It is used to transport grid removed from sewage screening device and dewatered sludge cake. It has  good environmental protection performance. It uses totally enclosed conveying and easy cleaning spiral surface, which can ensure environmental hygiene and the materials delivered are free from contamination and leakage. The torque is large and the energy consumption is low. Because the screw has no shaft, the material is not easy to be blocked and the discharge port is not blocked, the screw can operate at a lower speed, drive smoothly and reduce energy consumption. According to the standard of JB/T679-95 screw conveyor, BOEEP shafless screw conveyor has the characters of high reliability, long lifetime, good applicability, convenience to install and maintain. The temperature of materials can reach up to 100℃, the biggest dip angle can be up to 30°. The screw conveyor is a conveyor device, which utilizes the rotation of the helical axis in the U-groove to achieve the delivery of materials. 

description of shaftless screw conveyor

Structure of Shaftless Screw Coneyor

The shaft-less screw conveyor is mainly composed of driving device, head assembly, shaft-less screw, groove liner, inlet, outlet, cover (when needed), base, etc.

1-The driving device adopts helical gear reducer. The reducer is opposite to the outlet when horizontal and the reducer is at the outlet when inclined.

2-The cabinet is U, and the upper part is covered with rain proof machine cover. The material is stainless steel or carbon steel.

3-Non - axial spirals: stainless steel or 16Mn.

4-Trough lining: nylon or polyethylene plate, nylon material.

5-There are two kinds of inlet and outlet: the square and the round. The form of general inlet and outlet is decided by the user and the square is the main one.

structure of shaftless screw conveyor

Features of Shaftless Screw Coneyor

1-Fully automatic electic protection can be co-controlled with sludge dewatering system. 2-Compact structure, convenient installation with expansion bolts.
3-Using wear-resisting material in the inner layer of trough, its examining and repairing is convenient. 4-Closed running make the noise low and surroundings better.
5-Its length, angle and dischargeinig hopper can be manufactured according to customer's requirements. 6-The flight is made of stainless steel which is strong enough and anti-corrosive.

Technical Specification of Shaftless Screw Coneyor

specification of shaftless screw conveyor


1- The power in the table is corresponding to: L=6M. Moisture of the sludge medium is 80%.

2- The installation angles referring to the angle between spiral axis and ground.

Product Details Shaftless Screw Coneyor

product details of shaftless screw conveyor

Object Site Shaftless Screw Coneyor

object site of shaftless screw conveyor

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BOEEP has over 20 years’ professional experience as a waste water treatment equipment manufacturer and engineering service enterprise.




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