1) The structure is very simple and the cost is low.
2) The work is reliable and the maintenance management method is simple.
3) Compact specifications, small cross-section specifications and small total floor area. It is easy to get in and out of the hatch and trunk during the unloading work in the harbor.
4) It can complete the sealed transportation, which is beneficial to the transportation of raw materials that are easy to fly, hot and have obvious smell, reduce the environmental pollution to the natural environment and improve the working environment of harbor workers.
5) Easy to carry and unload. The horizontal conveyor can carry and unload at any point on its conveyor road; The vertical conveyor equipped with relative screw feeding equipment can have good feeding characteristics.
6) It can be transported in reverse, or a screw conveyor with shaft can transport raw materials to two directions at the same time, that is, to the center or avoid the center.
7) Enterprises consume a lot of energy.
8) Raw materials are easy to be crushed and damaged in the transmission link, and the damage of spiral gear punching groove is also serious.
