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Cement Ball Mill For Sale South Africa


2018-12-19 09:31:38

Cement Ball Mill For Sale South Africa

Auxiliary equipment for Cement Ball Mills

The Cement Ball Mill is a highly automated equipment, and its circuit control is reasonably related to the normal operation of the Cement Ball Mill. The motor system control of the Cement Ball Mill is concentrated in the control cabinet. Each level is interlocked with each other. The feed automatic control has a host current change to control the feed amount. The start of each machine is carried out according to the operating procedures and procedures. In the control cabinet, except for the main machine, the analysis machine, and the feeder, the motors of the other machines are uniform and general AC asynchronous motors.

The control system uses a decompression start for the motor capacity of more than 30 kW and a direct start with less than 30 kW. In the system, the main fan of the Cement Ball Mill is started by a triangular shape.

After the vibrating feeder of the Cement Ball Mill is installed, loosen the screws acting on the positioning fork (top three), loosen and tighten with a nut, open the back cover of the vibrator, check the gap between the iron core and the armature Within 1.8 to 2.1 mm, both screens are clean. Each screw should be sturdy, and then the cover should be fixed; the power-on no-load test, the electric control box strip amplitude potentiometer R1 is increased from small to small, the amplitude should be between 1.8 and 2. mm, the current is 1.2 amp, continuous operation Whether the amplitude current is stable for more than several hours; after normal, open the silo gate to feed, observe whether the feed current is stable, and allow the amplitude to drop by 0.5 mm. If the amplitude current reaches the rated value and the feed amount is not met, the vibrator will be used. Lift the tilt 20° angle to meet the feed rate requirements.

The Cement Ball Mill automatically adjusts the feeding, and the automatic feeding is realized by the main current change. When the fan is running normally, the main motor current will stop feeding when it exceeds the rated current, and will automatically feed when the current drops. This is mainly through the operation of the current continuous device to disconnect and connect the controllable voltage to achieve the feeding and stopping. There are 2 coils in the DL—12/6 overcurrent relay. When connected in series, the operating current can be adjusted from 1.5 to 3 amps. When the two-wire controller is connected, its action current can be adjusted from 3-6 amps. When the mill is working normally, the current transformer changes the current at the current relay to be no more than 3 amps. Therefore, the coils are connected in series. When the automatic feeding starts, the main switch on the control cabinet door is turned to the automatic position. Gradually increase the potentiometer R1 knob on the control box to make the current reach the rated and stable. At the same time, adjust the current relay slide arm according to the rated current of the host to change the action current of the relay. When it rises, the normally closed contact is disconnected and the current is slightly decreased. Close immediately.

The Cement Ball Mill analysis machine adopts JZT type speed regulating motor drive, which is controlled by the electromagnetic slip controller (ZLK-1 type) button on the control cabinet. The start button squirrel cage motor part is first operated, then the slip power switch is closed and adjusted. The speed knob matches the desired speed of the analyzer to the desired fineness (powder size), which controls the particle size of the powder.

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