Inspection Checklist for Asphalt Plant


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Inspection Checklist for Asphalt Plant

  • May 5,2019.

As an industrial machine, the asphalt plant needs to be well maintained and properly operated. Moreover, care should be taken to identify the machine failure and determine the cause of it via inspection. Below is the inspection checklist.

1. Stop the weighing system to check if the weighing sensor functions normally, or the connecting lever was stuck. The connection cable and plug of the sensor should be inspected.

2. Use 50kg standard weight to calibrate the scale. Then try the 200kg standard weight. If the data displayed on the computer correspond to the actual weight, then we can conclude the sensor, connection cable, and the signal light modulator are in good condition.

3. Inspect the pipes of pouring system, the pipes from the weigh hopper to pouring pump, and the pipes from pouring pump to nozzle of batching container to ensure there is no deformation or congestion.

4. Check if the discharge valve of the weigh hopper can fully open. Turn up the protecting cover of the hopper to inspect the cylinder, connection rod, and other parts to ensure they are in good condition.

5. The pouring system needs to be checked so as to ensure sufficient flow pressure and flow rate. Make sure the motor power and drum rotation speed fit the pouring requirements. The clearance fit between the screw rod and pump sleeve should stay within the suitable range. The seal ring should ensure a tight, leak-free seal.

6. Start the batch plant and turn up the protection cover on the weight hopper to check the working condition of the discharge cylinder, connection lever, and discharge valve during the work cycle.

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