Construction:
The belt cord of
tubular conveyor belt takes high-strength canvas or steel cable as its carcass
in combination with high-strength high abrasion-resistance high-quality rubber
as the top and bottom rubber cover, during the operation, the rubber belt is
changed gradually from flat plane to U shape and finally is rolled into tubular
shape so as to achieve enclosed conveying.
Features:
(1) In order to
make the rubber belt takes on circular tubular shape, the tubular belt itself
has appropriate transverse rigidness, which can ensure good retention and seal
of tubular shape.
(2) The belt body
has good elasticity and longitudinal flexibility, making the belt able to
tolerate repeated and long-time violent bending and shrinkage;
(3) The belt has
excellent physical and mechanical properties. Because when the tubular belt is
conveying material, its belt body is stretched, and the cover rubber is long
exposed to sunshine and weather, therefore, it is required that the outer cover
rubber has higher resistance to weather, ozone, ultraviolet rays, flexure,
cracking etc., while inner cover rubber should have excellent abrasion
resistance.
(4) Because of
special structure of tubular belt, it conveys powdery material in tubular
closed condition during the conveying, thus it can effectively prevent dust fly
and spill. This not only avoids pollution to the environment and material
wastage, but also can prevent exposure of material to sunshine, wind and rain,
thus ensuring the quality conveyed material.
(5) By adopting
tubular conveyor belt for conveying, the material is wrapped in the rubber
belt, this increasing the area of contact between material and rubber belt and
internal friction angle of material, thus can increase the inclination angle of
material conveying of the conveyor. Ordinary conveyor belt only has 22°
inclination angle, whereas that of tubular conveyor can reach over 30°,
therefore, increased inclination angle of conveyor can shorten the horizontal
distance of the conveyor and save investment.
(6) With tubular
belt adopted for conveying, after the belt presents tubular shape, it can run
horizontally, vertically or curvilinearly, the conveying line can be arranged
according to the space within a certain range without setting intermediate
transfer station, therefore, construction investment can be saved.
(7) Tubular belt
conveying avoids bias with reliable running, improved conveying efficiency and
better economic benefit and lower running cost.
(8) With tubular
belt for conveying material, the return run after discharge can also convey
material, i.e. two-way conveying. This can not be achieved with ordinary
conveyor belt. Because the return belt also presents tubular shape without
material spill, there is no contamination and cleaning cost for the complete
system.
Application:
It is widely
applied in enclosed conveying of bulk materials in the sectors as of
metallurgy, electric power, chemical engineering, harbor, wharf, building
materials, coal, mine, grains etc. It has multiple types such as
abrasion-resistant, heat-resistant, cold-resistant, corrosion-resistant,
flame-resistant, antistatic etc.
