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     start; mill main motor power, high voltage level.Operations at the mill local low-voltage control.High-voltage power distribution room, under normal circumstances a certain distance with the mill shop.The start of the mill by the PLC program logic control signal output to facilitate the connection closing switch of high-voltage power distribution room, the installation of intermediate relays, passive signal node.Main motor start, high-voltage power distribution room,Rotary Kiln a main motor run signal,rock crusher the same signal connections on the PLC input point to another intermediate relay site operation.The distance may be a signal of instability of the high-voltage power distribution room, with the mill shop, the installation of intermediate relay in the effective conduction to provide a stable voltage signal. (2) stop, and also through the intermediate relay to trip the switch of the main motor of the high-voltage power distribution room. Note: The stop signal to use intermediate relay closed to connect the main motor of the high-voltage power distribution room,[brick making machine:http://www.xbm-aac.com] trip switch, stop button feature is available in the PLC.

   Normal operation the relay is energized.So that when the case of unexpected power outage while the high-voltage power distribution room of the mill shop is still electricity, relays restore the normally closed state to connect the trip coil parking.Shown in Figure l. (3) emergency stop; alicey599 emergency brake with emergency stop button for the normal state of the equipment.You can cut off the low voltage power supply contar connected to the high voltage cabinet PLC after power trip switch to stop the main motor.Low-voltage power supply start button, stop button, emergency stop button with a 24VDC power supply, ensure the safety of personnel operations. a major component of the ball mill: mill shell (including loading and unloading port), the main motor, slow pass motors, high and low pressure lubrication station.Ball mill hereinafter referred to as the mill. Stand-alone basic operation steps: (1) mill start before the first start of the high and low pressure oil station, high-pressure pump in order to reduce bearing wear and increase bearing life, a large mill and out the discharge end lubrication system static pressure control.Dynamic pressure system is to ensure that the bearing lubrication; role of the static pressure system, before starting the mill,cone crusher the corresponding high-pressure pump, the pressure within the set time amounted to less than normal, or this pump fails, the standby pump immediately put into operation,cone crusher two pumps each other alternate ways of working,jaw crusher when the pressure reaches normal, the mill Simplified is from the top in a suspended state, which reduces the starting torque, and issued to the system allows the main motor switch on signal to make the mill start.

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Mill failure or shutdown, the static pressure system now operational, so that the mill to a smooth stop in the suspended state.Control the lubricants standing in the mouth of the oil temperature between 35 to 45 (2) The starting air station for the clutch mechanism to meet the requirements of compressed air; (3) Suspend by hand will slow the drive clutch institutions, starting slow drive motor, the mill shell in the big gear and pinion driven slow rotation; mill Simplified slow rotation of 3 to 5 minutes; (4) start of the main drive motor; (5) pneumatic clutch, The mill shell rotate the mill into the working state. It should be noted: (1) air operation, continuous operation time of less than 12 to 24 hours, the operation should be promptly resolved. (2) air test machine and the normal to the load test run.Load test run should be implemented in phases.Load operation should be considered nesting feeding, to avoid unnecessary balls and cylinder liner wear loss and damage. (3) into the ball of the 2/3 the number of test run 24 to 48 hours should be checked and re-tighten all bolts.