After the hydrocyclone is successfully installed, it will start to operate. There may be some problems during the operation. Xinhai Mining will sort out the common problems of the cyclone for you one by one, and attach the reasons and solutions. Hope it helps you.
After the hydrocyclone is successfully installed, it needs to run at load for about 5-10 minutes. The purpose of this is to wash away the sundries inside the hydrocyclone. If leaks are found, tighten the bolts. At this time, we need to observe the working pressure of the slurry tank and the system. When both remain stable, the cyclone will work normally.
Through the above steps, we can ensure that the hydrocyclone starts to operate. There are two points that need special attention during operation: 1. The working pressure must be continuously stable within the required range, and the concentration of feed, overflow, and underflow must be Within the required range; 2. From the concentration and particle size composition of the feed, overflow, and underflow, the material balance calculation table and the classification efficiency of the cyclone can be calculated.
Possible problems and solutions during the operation of the cyclone:
1. The cyclone does not feed
Possible reasons: the pump is not connected to the power supply, the valve at the inlet of the cyclone is not opened, and the pipeline before the inlet of the cyclone is blocked
Solution: Check the power supply of the pump, open the cyclone inlet valve, flush the pipeline
2. The slurry tank overflows
Possible reasons: the volume flow rate of the feed is too large, the speed of the pump is too low, the lining or impeller of the pump is damaged, the slurry transportation pipeline is partially blocked, the design size of the cyclone is too small
Solution: If it is negligible in the short term, increase the speed of the pump, replace the lining or impeller, flush the pipeline, and check the accuracy of the design parameters
3. Evacuate the slurry tank
Possible reasons: The volume of the feed is too small, the speed of the pump is too high, the design size of the cyclone is too large
Solution: If it is negligible in the short term, reduce the speed of the pump and check the accuracy of the design parameters
4. The pressure value fluctuates up and down
Possible reasons: the design of the slurry tank is unreasonable, the solid material gradually decreases in the slurry tank, and the slurry entering the slurry tank has a large fluctuation range
Solution: Correct the design error of the slurry tank, identify the cause, and make appropriate adjustments to the feed
5. The overflow concentration is too high
Possible reason: the water content in the slurry is too small
Solution: Fill the slurry tank or overflow box with water
6. The overflow concentration is too low
Possible reason: the water content in the slurry is too high
Solution: reduce the amount of water in the slurry tank
7. Underflow concentration is too high
Possible cause: The size of the bottom orifice is too small
Solution: Increase the size of the bottom orifice
8. Underflow concentration is too low
Possible cause: The size of the underflow port is too large
Solution: reduce the size of the bottom orifice
9. The overflow particles are too large
Possible reasons: The grit nozzle is overloaded, the overflow port is too large, and the density of the feed is too high
Solution: increase the size of the grit nozzle, replace a slightly smaller overflow port, reduce the feed density: add water or reduce the solid content in the slurry
10. The overflow particles are too small
Possible reasons: the overflow port is too small, the density of the feed is too low, the operating pressure is too high
Solution: Replace a slightly larger overflow port, increase the feed density: reduce the water volume or increase the solid content in the slurry, reduce the working pressure: reduce the water volume or reduce the number of revolutions of the pump
11. Underflow particles are too small
Possible reasons: the size of the grit nozzle is too large, the overflow port is too small, the operating pressure is too high
Solution: reduce the size of the grit nozzle, replace a slightly larger overflow port, reduce the working pressure: reduce the water volume or reduce the number of revolutions of the pump
12. Underflow particles are too thick
Possible reasons: the overflow port is too large, the operating pressure is too low
Solution: Replace a slightly smaller overflow port, increase the working pressure: add water or increase the number of revolutions of the pump
13. The grit nozzle is in the form of spray
Possible cause: The size of the grit nozzle is too large
The solution: reduce the size of the grit nozzle
14. The grit nozzle is in the shape of a rope
Possible reasons: the size of the grit nozzle is too small, the grit nozzle is partially blocked, the density of the slurry is too low or the solid content of the feed is too high
Solution: increase the size of the sand settling nozzle, stop the cyclone to clean up the clogging phenomenon, if the phenomenon is short-term, it can be ignored
