70DB Noise control hot mix asphalt plant with stepless speed change
for belt feeding
Control system operation
This item mainly includes the following contents:
a. Electrify the system.
b. Choose operating module of the system.
c. Control start-up of the system.
d. Set operation parameter.
e. Manage the burner ignition procedure.
f. Manage the start-up of cold hopper and adjustment of feeding
g. Manage the elevation of finished product.
h. Stop the system.
The following content will illustrate the operation methods of each
⑴. Electrify the system
Electrification of the system should be carried through according
to the following steps strictly:
Shut on the mains supply in on the distributing cabinet. The
indicator light of power will be lightened, and the voltmeter will
indicate the voltage of 380.
Electrify all the air-break switches of each electromotor.
Press the key switch on the control cabinet to electrify secondary
Start the computer and enter the operation system.
After startup, enter next step operation when the system works
well. If there is any abnormality, Stop it and have it maintained
by the maintenance man, and restart the system after the fault is
⑵. Set the operation module
Before operation, it is needed to choose the operation mode, and
this system could work at any mode.
Manual control for the panel operation.
Automation for the panel operation.
Automatic control for the computer interface operation.
There is relevant selecting key of system operation mode on the
control interface. Click the mode-control key with the mouse to
start the relevant operation mode. The manual mode is mainly used
for debugging and fault eliminating. During normal operation, Use
the automatic mode mostly.
⑶. Start the control system.
After finishing the upper steps, the control system begins to work.
Firstly, Shut off the air-door controller of the exhaust fan to
reduce the start-up current. Start up air compressor. Then, choose
automatic start-up mode for electromotor on the control interface,
and the electromotor will start up in sequence accordingly.
The automatic process will complete the ordinal start-up of the
Aggregate bucket elevators.
Filler bucket elevators.
NO.2 belt conveyor
NO.1 belt conveyor
Filler screw conveyor
Lime filler screw conveyor.
Noumenon screw conveyor.
Waste filler discharging screw conveyor.
Sweeper valve of duster.
Press the ‘stop’ key, the system will be stopped according to the
Collective conveyor for asphalt mixing plant on cold feeding
|6||driven sprocket wheel||1||P=25.4|
|8||lower support roller||φ76 L=895|
|9||conveyor belt||1||B=800 L =45200|
|13||upper support roller||φ76 L=280|