The belt conveyor overcurrent protection cannot be judged and identified

07-03-2020ZGS vibrating screen

  Since most machinery today is powered by power, they are equipped with overcurrent protection, and belt conveyors are no exception. Reasonable overcurrent protection can prevent equipment from being damaged due to excessive current and protect the normal operation of the conveyor belt.

  The overload of belt conveyor is divided into continuous overload and short-term or transient overload. The former case is not allowed and cannot be maintained for long. The two situations are more complicated, because some temporary faults often cause short-term overload. However, if it is not handled in time, it will develop into a continuous overload, or the conveyor will immediately resume normal operation after self-exclusion.

  In other words, short-term overload does not necessarily mean an accident, so in this case, the belt conveyor does not have to stop working. However, overcurrent protection cannot be judged and identified. Once the load current rises to the specified limit value, the belt conveyor will stop working immediately to control the continuous overshoot of the belt conveyor. The results also limit the possibility of conversion to good results.

  In actual production, due to overcurrent protection, the belt conveyor will also cause a lot of unnecessary downtime, which can not eliminate the failure of the scraper chain during operation, which will greatly reduce the transportation efficiency of the equipment.

  However, sometimes overcurrent protection in belt conveyors cannot effectively protect the equipment, especially when the equipment fails. It can be seen that increasing the motor overcurrent protector cannot completely protect the belt conveyor, and has greater limitations.

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