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Belt deviation, damage... how to solve these problems

16/07/2020

The conveyor has strong conveying capacity, long conveying distance, simple structure and easy maintenance, and can easily implement program control and automatic operation. The conveyor belt is used for conveying articles or powdery and granular articles. Its operation is high speed, stable, low noise, and can be transmitted up and down the slope, becoming an indispensable material conveying equipment on the operation line.

Mine conveyors are usually operated under harsh conditions such as dirty environments, high or low temperatures, and high humidity. If the operation is improper, there may be faults such as belt deviation, material return and belt damage, which will lead to downtime and directly affect production efficiency.

What are the common faults of the conveyor? How to solve it?

Fault 1, belt deviation

Reason analysis: Insufficient belt tension, eccentric load, incorrect splicing, component deflection, material accumulation on components and components, etc., may cause the belt to deviate. When the belt deviates from its required path, belt deviation will occur. This is a serious problem that can lead to belt damage, equipment failure, and material spillage.

Solution: First, carry out a belt inspection, which helps to find the root cause of deviation and other potential problems in order to formulate a suitable solution. If the belt has a slight deviation, you can use the self-aligning idler to correct the belt's trajectory and ensure straight running in the future.

Fault 2. Material return

Reason analysis: when a small amount of material adheres to the belt, the conveyor will return. This can cause the material to accumulate under the conveyor belt, or accumulate on the idlers and rollers. Some materials, such as clay and some ores, adhere to the belt more easily than others. Although the return volume is very small, but after a long time, there are tons of materials accumulated, which have to be cleaned up twice. Material return will also cause safety and environmental hazards, increase the cost of cleaning, and is generally not conducive to the operation of the conveyor system in good condition.

Solution: A simple solution is to install a belt cleaner designed to prevent return shipments. The many benefits brought by the belt cleaner are enough to offset its initial investment costs, such as reducing material spillage, saving maintenance costs, and creating a safer working environment. In addition, a clean belt can prevent premature damage to the idler, extend the life of the belt, and keep the system in good working condition.

Fault 3. Damaged belt

Cause analysis: There are several reasons for the damage to the belt, such as excessive impact force, deviation, improper use of the sealing system or belt cleaner, component jams, and insufficient roller traction. The belt is an expensive part of the conveyor, so find the potential cause of the belt problem and take measures to avoid irreparable damage.

Solution: Install buffer rollers or brackets in the feeding area to disperse the impact of falling materials, thereby reducing wear and tear on the belt. Using an appropriate sealing system can prevent the belt from being damaged by stuck materials. Using proper roller rubber coating material can increase the friction and prevent the belt from slipping without being damaged quickly. These solutions all help to greatly reduce maintenance downtime, which is usually determined by a belt inspection. Belt inspection can catch minor belt damage, thus avoiding serious failures in the future.

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