The main control and regulation loop of filling station is as follows:
① tailings feed flow control.
② Thickener sand discharge flow, concentration monitoring and control.
③ Control of filling slurry ratio.
④ Filling slurry concentration control.
⑤ Constant pressure water supply control.
⑥ Material level monitoring and control of thickener, cement silo, tank and mixing bucket.
⑦ Filling pipeline blockage accident treatment.
To control the filling system, the following process parameters need to be tested
① Thickener, cement bin and mixing bucket material level.
② Concentration and flow of tailings feed.
③ Sand discharge flow and concentration of thickener.
④ cement feed amount.
⑤ Filling slurry flow and concentration.
⑥ Stirring bucket add water flow.
⑦ Water supply pressure.
According to the process characteristics and automatic control requirements of filling station, the key of automatic control lies in how to reasonably adjust the ratio of filling slurry and filling concentration according to filling requirements, realize the sequence control of system equipment and centralized monitoring of system equipment, and improve the filling effect.
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