In daily work, slurry pumps are inevitably abnormal or other problems due to various reasons. When problems arise, they can be solved in a timely manner at the fastest speed. This is the quality that every technician should have.Based on years of experience in the maintenance and maintenance of slurry pumps, some slurry pumps often encountered during operation are summarized, and the causes and solutions of them are summarized.The specific contents are as follows: 1. When the slurry pump fails to absorb water during operation. This situation is generally caused by air leakage in the suction pipe or instrument of the slurry pump, or may be caused by the fact that the bottom valve of the slurry pump is not opened.When encountering such a fault, the technician must first check where the air leakage is and block it in time.Secondly, the bottom valve of the slurry pump is inspected and replaced.2. An abnormal sound is made inside the slurry pump, and there is a failure to water. This situation is generally due to the fact that air may seep out of the slurry pump, causing abnormal sound to occur in the pump body. At the same time, the impeller of the slurry pump is damaged or mixed with debris, resulting in a failure to water.When encountering such a failure, technicians need to adjust the liquid level of the pump pool of the slurry pump and check the impeller at the same time. If it is damaged or aging, it must be replaced in time. In addition, the debris in the pump body and impeller must be cleaned.3. Severe vibration of the slurry pump shows abnormal conditions. This failure may generally be caused by the following problems: ① The slurry pump may have cavitation.②The movement trajectory of the pump shaft and the motor did not move concentrically.③The bottom bolts of the slurry pump have loosened.The solutions are: ① Reasonable adjustment of the outlet valve of the slurry pump to operate within the specified performance parameters.②Correction of the pump shaft and motor shaft of the slurry pump so that it is on the same center line.③ Check whether the bolts of the bottom foot of the slurry pump are loose and tighten the bolts firmly.4. The slurry pump pipe is blocked. This failure is generally caused by air leakage at the inlet of the slurry pump. In addition, it may also be caused by waste in the tube.Solution: Check the air leakage part at the population of the slurry pump and add to the blockage.Secondly, check and clean the waste in the management. If there is too much waste, be sure to turn off the slurry pump first and then clean it up to avoid safety problems.5. The pressure gauge of the slurry pump shows pressure but the pump cannot produce water. This failure may be due to problems in the rotation direction, secondly, it may be due to blockage in the impeller flow channel, and thirdly, it may be due to insufficient rotation speed of the slurry pump.The solution is as follows: DI1. Correct the rotation direction of the slurry pump motor so that its rotation direction is correct.Second, remove the water inlet pipe joint part and clean it, especially remove the debris in the flow channel.Third, increase the pump speed to the rated requirements to ensure the normal operation of the slurry pump.6. The pump shaft overheating fault may be caused by the following reasons: 1. Insufficient lubricating oil.Second, debris entered between the shaft and the ball bearing.Third, there is no cooling water in the slurry pump.Fourth, the bearing of the slurry pump was damaged.The methods to solve the above problems are: di-1, adding lubricating oil to the slurry pump.Second, remove debris in the slurry pump.Third, cool water is introduced into the slurry pump.Fourth, replace the bearing for the slurry pump.
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