The maintenance and overhaul of Roots blower shall be carried out on schedule according to the specific use conditions, and a reasonable maintenance system shall be developed. Records shall be kept. It is recommended to overhaul the blower once a year, and replace the bearing and relevant vulnerable parts. Before disassembling the machine, handle Roots drum The matching dimensions of the fan shall be measured, recorded, and marked on the parts to ensure that the original matching requirements are maintained after assembly.
Check Roots frequently drum The fastening condition of each part of the fan and whether the locating pin is loose. Check whether there is oil leakage, scaling, rust and peeling in the body. Pay attention to whether the lubrication and heat dissipation are normal, pay attention to the quality of lubricating oil, often listen to the fan for noise, pay attention to whether the unit operates under the condition that does not meet the requirements, and pay attention to the regular grease.
Roots drum The overload of fan is sometimes not displayed immediately, so pay attention to the increasing trend of inlet and exhaust pressure, bearing temperature and motor current to judge whether the machine operates normally. New machine or three leaf roots after overhaul drum The fan and oil tank should be cleaned and put into operation according to the use steps. It is recommended to replace all lubricating oil after 8 hours of operation.
Roots drum Daily maintenance of fan: pay attention to the bearing temperature, sound and vibration in daily work, and check the oil level, oil temperature, inlet and exhaust pressure, ammeter index, etc. of the oil pointer. If possible, in Roots drum One day after the fan starts normally, replace the gear oil. You will find that the oil is dark yellow, black, and very viscous. This is because the oil on the bearing, the scrap iron in the gearbox, and the gear oil are mixed together. This oil is not conducive to gear lubrication. After this replacement, it will be replaced once every three months.
During operation, special attention shall be paid to: whether there is friction or foreign matter inhalation between the impeller inside the casing and the casing, between the impeller and the wallboard, between the impeller and the impeller. Frequent inspection shall be carried out. If the friction is serious earlier, the local temperature rise of the casing will be too high, and the surface paint will be burnt. At this time, the machine shall be stopped immediately.
Roots drum When the fan is running, ensure that the oil level is between the two red lines of the oil level gauge (when lubricating oil is added, the lubricating oil should be added to the upper line of the oil level gauge, and the oil level will drop slightly after the fan and vacuum pump are running). Too little oil will lead to poor lubrication of gears and bearings; Too much oil will cause the oil temperature to rise and damage the gear and other parts.
Roots drum The operating temperature of the fan shall not exceed 40 ℃ under normal temperature. If such temperature is required, the manufacturer shall be informed at the time of purchase so as to make appropriate adjustment. At high temperature, gear oil, skeleton oil seal and bearing are most vulnerable.
Roots drum The most common problem of the fan is an old problem, that is, the lack of oil operation. This will not only lead to gear wear, but also make the skeleton oil seal rapidly age, deteriorate, and cause oil leakage. The fan will become noisy during operation, or the fan will become stuck in the worst case. Therefore, pay special attention to the change of the oil level of the fan.
Roots drum The fan uses frequency conversion control, which can accurately control the air volume. Compared with valve control, it is more intuitive and convenient to adjust the air volume to meet production needs; The application of frequency conversion technology enables the motor to achieve soft start without starting current impact; The inverter is used for soft starting, and the starting current is not higher than the rated current of 46A, which reduces the impact of the outlet pressure of the fan on the fan instantly, thus extending the service life of the fan and other equipment. Since the rotating speed of Roots blower is reduced to 60% of the original, the vibration frequency and noise of blower pipe are greatly reduced, thus prolonging Roots drum The mechanical life of fan and motor bearing reduces the maintenance of equipment.
During long-term operation, due to the corrosion of impeller and casing, the working clearance increases, the leakage in the fan increases, the casing temperature rises, the exhaust temperature increases, and the fan flow decreases. At this time, stop the machine to measure the clearance and take corrective measures.
I believe that after reading the above, you should also pay attention to Roots drum I have learned how to maintain and overhaul the fan, and I hope it will be helpful to everyone.
Text word tag: Roots drum Fan
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