GL250Tubular screw conveyer and feeder are widely used for transporting Powdery and granular materials.We can choose different conveyer and feeder according to different materials . Such as : concrete (cement,flying dust ,the dust of precompressor,dust,) precompressor Hot and cold processing dust) Mix the material for building(Dry lime, sand, cement and additive) Glass crafts (limestone, soda ash, sand, etc.) Casting Factory(sand, bentonite)
 
structure size

 7 kinds of standard pipe diameter tube,including welding end flange, Feed port, discharging port,the inspection window blow the feed port, hanging bearing, screw blade.The end of bearing 
Component contains a self-tuning shaft seal equipment, hub spline, lifting eye on every pipe. Variety  spiral vane, small body size, compact structure, less number of components and spare parts, easy to install, durable, small caliber high efficient  and productivity, modular design,  it is suitable for various occasions 
the advantages of Tubular screw conveyer
1．
Structure is simple, the cost is low
2．
Reliable operation, easy maintenance and management
3．
Compact size, small cross section size and less occupied area. It is easy to  to move in and out of the hatch, carriage In Port
4．
 It can do enclosed conveying, it is helpful to transport the flying materials, hot materials and pungent smell materials.it can reduce the pollution to the environment, improve operation conditions for the port workers.
5．
Loading and unloading is convenient, it can load and unload on any point On the transmission line. vertical screw type conveyer with A spiral feeding device has ecellent feeding function, Screw axis has automatic feeding ability,it can be as feeding device for unload machinery.
6、
It can do the reverse transmission, it can do conveying materials  in both direction at the same time by a conveyor,it is near and away from center.
7、
perumit  energy consumption is large.

It is easy to cause the trituration and wear, the wear of screw blade and trough
Are serious.