Preventive Measures for Belt Conveyor Broken Accidents

The working environment of the belt conveyor is bad. After long-term operation, the belt is prone to loosening and even the belt is broken. It is easy to cause safety accidents. What methods can be taken to prevent belt breakage accidents?

1. Strictly control the quality of the rubber material

In the process of selecting the rubber material, be sure to use the formula formulated by the manufacturer and ensure that all purchased rubber materials have labels such as shelf life, certificate of conformity, manufacturing date, factory certificate, specification and model, etc. If the rubber material does not have a label, it will not be purchased.

In addition, when storing the compound, avoid direct exposure to strong light, store it in a cool place, and avoid contact with harmful chemicals. Finally, the corresponding identification work must be done before using the rubber compound to ensure that its quality is up to standard before it can be used. (News recommendation: What are the types of belt conveyors? How to divide)

2. Reasonable selection of joint length and type

Currently, most joint types They are all three-level lap joints, and a few use second-level lap joints. The relevant experimental research shows that the retention rate of the first- and third-level fully lap joints is relatively high. If the same belt has different overlapping forms, the spacing between adjacent wire ropes is also different. The first-level spacing is the smallest, and it gradually increases upwards. The larger the distance, the more conducive to improving the strength of the vulcanized joint. The selection of the joint form should be based on a comprehensive comparison of many factors such as belt type, belt strength, number of wire ropes, wire rope diameter, and wire rope spacing.

3. Strictly control the vulcanization process

Joint vulcanization is the last important process that determines the quality of the tape during the installation process. Its technical conditions are the key to ensuring the strength of the joint and the life of the joint. The technical conditions of the vulcanization process are mainly the three elements of vulcanization, namely the vulcanization temperature (in the range of 142 ~ 148 ℃, not more than 150 ℃.), time, pressure . If the technical conditions of the vulcanization process are not strictly controlled or improperly controlled, it will cause quality defects such as under-sulfur, over-sulfur, delamination, foaming and heavy leather, and belt deviation, which will bring adverse consequences to future operation and maintenance. (News recommendation: Belt conveyor damage repair method)

4. Reasonable tailoring of rubber materials

Because rubber has a certain The vulcanization shrinkage rate is high, so its size can be slightly larger in the process of tailoring it, but it should not be too small.

According to the type of tape, the width of the surface adhesive and the core adhesive should be reasonably determined. If it is a miter joint, the oblique out length should be calculated when determining its length. When tailoring the rubber material, the distance between the backstop iron after fixing the joint is used as the width of the surface glue, the width of the two ends may be different, and the full length of the joint is its length.

5. Strengthen the management of belts

1) It is necessary to establish a perfect post responsibility system, shift system, and patrol inspection system , joint acceptance inspection system and equipment maintenance system.

2) Improve the file replacement, technical file management, entry inspection and maintenance records of the belt conveyor, and regularly analyze and summarize relevant data.

3) It must be ensured that all staff have received systematic training and learning, and can correctly master professional techniques to avoid improper follow-up operations.

4) Do a good job in the management of material transportation, and do not use belt conveyors to transport large pieces of gangue, metals, and mechanical and electrical equipment to prevent overweight and overweight items. Long, sharp and hard objects can damage high-strength belts.

5) Do a good job in the overhaul of the belt conveyor to ensure that the idlers are flexible and complete, and prevent the belt from deviating.

In actual production, there are various reasons for the belt loading conveyor to break. , to minimize the accident rate of the belt loading conveyor.