1. In the maintenance and management of centrifuges, daily regular inspection is an important task.
The horizontal screw centrifuge is a relatively precise mechanical equipment. In order to make the centrifuge run stably and prolong the service life of the centrifuge, the operation control and maintenance management of the equipment should be strengthened. In the management of the operation and operation of the equipment, uniform and strict operating procedures should be established. For example, the solid content of the supernatant should be minimized during operation, and the flushing of the centrifuge should be strengthened during the shutdown to reduce the vibration during operation to ensure that the equipment is in good condition. The running status must be discovered and feedback in time for the problems exposed in the operation of the equipment. During the idle period of the equipment, timely maintenance should be carried out for the hidden dangers of the equipment, such as cleaning the supernatant return pipe regularly and regularly cleaning the mud screw pump. Regularly clean the flocculant automatic dosing device, and do regular daily inspection and maintenance, so that the equipment can be kept in a good standby state, and it can avoid the accidental failure caused by the unexpected operation of the equipment, and ensure the stability of the equipment. run. 2. Take various measures to reduce the vibration of the centrifuge
At the end of each centrifuge operation, the water rinse of the centrifuge drum should be strengthened. According to our experience, if the drum is not thoroughly flushed, the sludge will adhere to the drum during the shutdown of the centrifuge, then At the next start-up, the drum will be damaged due to uneven force, resulting in strong vibration of the centrifuge. In addition, each time the supernatant is cleaned, the liquid level baffle should be reinstalled. It must be ensured that all the liquid level baffles are at the same height, and the tolerance of the liquid level baffle height should be -0.25mm---+0.25mm, otherwise the centrifuge will be unevenly stressed and produce severe vibration. .
2, reduce the solid content of the supernatant, reduce the degree of centrifuge wear
In the production operation, we found that if the sludge contains a large amount of sediment, and the supernatant has a high solid content in the operation of the centrifuge, if it is operated for a long period of time in this state, the principle of the above centrifuge It can be seen that the supernatant has a high flow rate when it is scooped out of the return tube, which will cause the centrifugal bolts and the weights to wear, resulting in the destruction of the centrifugal maneuver balance. Strict management and careful operation in the production operation, reducing the solid content of the supernatant, is of great significance for reducing the wear of the centrifuge. 4. Regularly clean the supernatant return pipe. In the production operation, if the supernatant of the sludge dewatering has a relatively large solid content, it is easy to cause blockage of the supernatant return pipe, which will result in the solid content of the dewatered sludge. When the centrifuge is lowered, the centrifuge will also vibrate due to uneven force. Therefore, the supernatant return pipe must be periodically cleaned according to the actual operation. The device is supplied with the same as the supernatant return pipe. The length of the flushing water pipe can be inserted into the supernatant liquid return pipe for flushing, but if the backwashing water pipe cannot be completely washed out, the supernatant of the supernatant liquid return pipe will not be completely contaminated with sludge, so that the centrifuge Vibrating during operation, we will transform it into a flushing tube with a brush so that the supernatant backflow tube can be flushed more thoroughly. The cleaning cycle of the supernatant reflux tube is generally between 50 and 100 hours, depending on the solid content of the supernatant during the operation of the centrifuge. 5. Periodically clean the mud screw pump.
The horizontal screw centrifuge is a relatively precise mechanical equipment. In order to make the centrifuge run stably and prolong the service life of the centrifuge, the operation control and maintenance management of the equipment should be strengthened. In the management of the operation and operation of the equipment, uniform and strict operating procedures should be established. For example, the solid content of the supernatant should be minimized during operation, and the flushing of the centrifuge should be strengthened during the shutdown to reduce the vibration during operation to ensure that the equipment is in good condition. The running status must be discovered and feedback in time for the problems exposed in the operation of the equipment. During the idle period of the equipment, timely maintenance should be carried out for the hidden dangers of the equipment, such as cleaning the supernatant return pipe regularly and regularly cleaning the mud screw pump. Regularly clean the flocculant automatic dosing device, and do regular daily inspection and maintenance, so that the equipment can be kept in a good standby state, and it can avoid the accidental failure caused by the unexpected operation of the equipment, and ensure the stability of the equipment. run. 2. Take various measures to reduce the vibration of the centrifuge
At the end of each centrifuge operation, the water rinse of the centrifuge drum should be strengthened. According to our experience, if the drum is not thoroughly flushed, the sludge will adhere to the drum during the shutdown of the centrifuge, then At the next start-up, the drum will be damaged due to uneven force, resulting in strong vibration of the centrifuge. In addition, each time the supernatant is cleaned, the liquid level baffle should be reinstalled. It must be ensured that all the liquid level baffles are at the same height, and the tolerance of the liquid level baffle height should be -0.25mm---+0.25mm, otherwise the centrifuge will be unevenly stressed and produce severe vibration. .
2, reduce the solid content of the supernatant, reduce the degree of centrifuge wear
In the production operation, we found that if the sludge contains a large amount of sediment, and the supernatant has a high solid content in the operation of the centrifuge, if it is operated for a long period of time in this state, the principle of the above centrifuge It can be seen that the supernatant has a high flow rate when it is scooped out of the return tube, which will cause the centrifugal bolts and the weights to wear, resulting in the destruction of the centrifugal maneuver balance. Strict management and careful operation in the production operation, reducing the solid content of the supernatant, is of great significance for reducing the wear of the centrifuge. 4. Regularly clean the supernatant return pipe. In the production operation, if the supernatant of the sludge dewatering has a relatively large solid content, it is easy to cause blockage of the supernatant return pipe, which will result in the solid content of the dewatered sludge. When the centrifuge is lowered, the centrifuge will also vibrate due to uneven force. Therefore, the supernatant return pipe must be periodically cleaned according to the actual operation. The device is supplied with the same as the supernatant return pipe. The length of the flushing water pipe can be inserted into the supernatant liquid return pipe for flushing, but if the backwashing water pipe cannot be completely washed out, the supernatant of the supernatant liquid return pipe will not be completely contaminated with sludge, so that the centrifuge Vibrating during operation, we will transform it into a flushing tube with a brush so that the supernatant backflow tube can be flushed more thoroughly. The cleaning cycle of the supernatant reflux tube is generally between 50 and 100 hours, depending on the solid content of the supernatant during the operation of the centrifuge. 5. Periodically clean the mud screw pump.
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