Causes and solutions for the failure of second-hand pusher centrifuge
The reason and solution for the failure of second-hand double-machine pusher centrifuge, the use rate of second-hand double-machine pusher centrifuge as mechanical processing equipment is very frequent and the load is large. This kind of working condition can easily cause the failure of second-hand double-machine pusher centrifuge. The occurrence of this, we mainly analyze the reasons and solutions for the melting and torque increase of the second-hand pusher centrifuge.
1. Used double machine pusher centrifuge fusible plug melting
The fusible plug of the used two-machine pusher centrifuge is mounted on the outer casing of the fluid coupling. When the oil temperature in the fluid coupler rises to 140 °C, the fusible plug melts. Since the melamine plant was put into production, the second-hand double-machine pusher centrifuge has been repeatedly melted. The reasons for melting are as follows: (1) The second-hand double-pushing centrifuge centrifuge clogging leads to the second-hand double-machine pusher centrifuge jumping and melting the melt; (2) Due to repeated power failure, the second-hand double-machine pusher centrifuge repeatedly feeds and melts (3) The conveyor chain of the screw feed conveyor motor of the dryer is broken, and the lower bucket is blocked, which causes the second-hand double-machine pusher centrifuge to melt and melt; (4) the second-hand double-push centrifuge centrifugal gear gear pair wears out, During the inspection of the test machine, the fusible plug was melted due to frequent start-up of the used double-machine pusher centrifuge; (5) when the second-hand double-machine pusher centrifuge was started, the second-hand pusher was not stabilized during the rising speed. The centrifuge starts to feed, causing the fusible plug to melt; (6) Because the oscillator of the hopper of the second-hand pusher centrifuge stops, the lower hopper is blocked, causing the fusible plug to melt. (7) The hydraulic coupler has low oil filling degree; (8) the hydraulic coupler leaks oil; (9) the mechanical failure, the second-hand double-machine pusher centrifuge overload; (10) the frequent start of the used double-machine pusher centrifuge to make the oil in the hydraulic coupler Can not be scattered, causing the fusible plug to melt.
2. Used two-machine pusher centrifuge torque increase
The reason for the increase of the torque of the used double-machine pusher centrifuge is as follows: (1) the system is loaded and the slurry concentration is increased; (2) the load of the used double-machine pusher centrifuge is increased; (3) when the mold is switched, the second-hand double-machine pusher centrifuge feeds the solid content. (4) When the slurry is discharged, the communication valve between the hot water pump and the melamine second-hand pusher centrifuge feed pump is not closed; (5) the used double-machine pusher centrifuge has not been backwashed for a long time, and the inner and outer drums (6) The second-hand double-machine pusher centrifuge belt loosen, causing the speed to decrease and the torque rise; the torque indication is not allowed.
Once the torque of the used two-machine pusher centrifuge is found to rise, no matter what the cause, the load of the used double-machine pusher centrifuge should be reduced first. In serious cases, the second-hand double-machine pusher centrifuge should be directly closed. Material valve. Look for the cause of the sudden rise in torque. After taking the corresponding measures, the second-hand double-pump centrifuge is re-feeding.
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