How to increase the service life of stainless steel mesh belt?

How to increase the service life of stainless steel mesh belt

Improved mesh belt drop hopper. Improving the mesh belt drop hopper is one of the effective measures to avoid the early damage of the mesh belt. Improve the drop hopper at the junction of each belt conveyor, so that the ability to pass through foreign objects is increased by 2.5 times. Long and large foreign objects are not easy to get stuck between the funnel wall and the mesh belt during the conveying process, reducing the risk of foreign objects tearing the mesh belt probability.

The guide skirt at the drop hopper makes the gap between it and the mesh belt larger and larger along the running direction of the mesh belt, which solves the problem that coal and stones are stuck between the mesh belt and the skirt, and eliminates the mesh belt caused by it. damage. For the hopper with a large drop, a buffer baffle is installed inside to prevent the material from directly impacting the mesh belt. Add scraper installation at the reversing roller. A scraper device is added at the reversing roller along the mesh belt to eliminate the problem of material sticking at the reversing roller and solve the partial damage of the mesh belt caused by roller sticking.

The improvement of the transport nose, tail and middle reloading transition. The transition length and transition mode of the conveying head, tail and intermediate transfer place have a great influence on the service life of the mesh belt. A reasonable transition design must be carried out, and the wear of the rubber surface of the mesh belt should be reduced as much as possible to ensure that there is no folding of the mesh belt, no bulging in the middle, and no material leakage at the blanking place. The pinch roller of the loading conveyor at the concave transition.

Theory proves that the transverse strength of the steel rope mesh belt is insufficient. When starting, the force on the mesh belt formed by the pinch wheel is too large, resulting in tearing of the mesh belt. Changing all the pinch wheels to the pinch roller can completely solve this problem. . Large machine jib mesh belt counterweight load reduction. The service life of the mesh belt of the arm frame of the stacker in the coal mine system is very short, and the overweight design of the counterweight is an important reason for the excessive tension of the mesh belt and premature cracking and aging.

On the basis of satisfying the tension of the material carried by the mesh belt, after reducing the counterweight, the service life of coal transportation is extended from 1.5 million tons to 4.5 million tons. The original design counterweight of the mesh belt of the arm frame of the 200,000-ton mine system 25t including the weight of the counterweight drum. The original German imported tear-resistant steel wire belt will be seriously stretched and scrapped if it is less than 3 million tons. .

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