The lubricating grease of Roots blower will experience performance aging and leakage consumption after a period of use, so it needs to be supplemented or replaced in time. The lubricating grease used for Roots blower is usually supplemented every 3 months. Whether it needs to be replaced depends on the quality of the lubricating grease. The main judgment basis is:
Check whether roots blower grease is mixed with too many hard particles. During inspection, use your fingers to take a small amount of grease for twisting and pressing, which can be judged by feeling; Check whether the lubricating grease is oxidized and deteriorated. If it has been oxidized and deteriorated, it can be distinguished from the appearance. At this time, the color of the grease turns black or deepened, and a hard film will form on the surface. Different kinds of grease cannot be mixed, new grease and old grease cannot be mixed, so when replacing grease, the waste grease should be completely removed, and then filled with new grease. The grease should be filled properly. Too little filling will cause insufficient lubrication. Excessive filling, excessive mixing of lubricating grease and sharp temperature rise will cause oil separation, decomposition and leakage. The lubricating grease of roots blower shall be supplemented and replaced in time to ensure the normal use of roots blower.
The lubricating oil of roots blower bearing should be replaced at least once every six months when it is in normal use. When it is used for the first time, it should be replaced after about 200 hours of operation. The second oil change should be conducted in 1 to 2 months. After that, the lubricating oil should be checked once a week. If the lubricating oil is not deteriorated, the oil change can be extended to 2 to 4 months, The specified brand of lubricating oil must be used for replacement, and the old oil in the oil tank must be completely drained and cleaned before new oil can be filled.
1. Replacement of lubricating oil. There are generally three management methods for oil change of blower:
① Change the oil on time, that is, according to the specified time cycle. For example, change the oil every 3 months or so. As soon as the deadline comes, replace all the oil regardless of its quality. This method is simple and conservative, so it will cause waste and increase operating costs.
② Change the oil according to the quality, that is, according to the performance of the lubricating oil. Once the oil quality index exceeds the allowable standard, it shall be replaced regardless of the service time. This method is economical, but it is difficult to judge accurately.
③ Change the oil on time and according to the quality, that is, refer to a certain oil change cycle, and change the oil according to the change of oil quality. For example, if there is less dust pollution, change the oil every 6 months or so, and if there is serious pollution, change the oil every 3 months or so. If the oil color becomes darker and turbid, and there are dirt deposits and solid particles, the oil change period should be further shortened.
2. The identification of lubricating oil, no matter which method of oil change, is to ensure that the lubricating oil has its due performance. Therefore, the following simple methods can be used to identify the quality of lubricating oil.
① When lubricating oil is used, it will be oxidized and deteriorated due to the influence of air and other media. In order to judge the degree of oxidation deterioration, the sediment sludge at the bottom of the oil tank can be taken and put between the index finger and the thumb to rub against each other. If there is more oil sludge but poor adhesion, it means that the oxidation of oil is not too serious, but it is not clean and needs to be filtered. If there is much gum and strong adhesion, it indicates that the lubricating oil has been seriously deteriorated and cannot be used any more.
② Mechanical impurities in lubricating oil, including foreign suspended solids or insoluble substances such as dust, sand and metal particles deposited in the oil, will damage the oil film and increase wear. When the impurity content reaches a certain concentration, the lubricating oil cannot be used any more. According to experience, if the color of the oil is still no obvious improvement after filtering after it turns black, it should be replaced.
③ Water will increase the corrosiveness of the oil and make the oil aging; It is easy to form bubbles and make the oil lose its lubricity. Therefore, the moisture content should be controlled. High quality lubricants should be free of moisture. In practical application, in the case of water cooling, due to the penetration of cooling water, the lubricating oil deteriorates and fails. In order to check whether there is water, clean and dry cotton yarn can be used without lubricating oil and ignited with fire. If there is water in the oil, there will be explosion or flash.
I believe that after reading the above contents, you should also know about the replacement time of Roots blower lubricating oil. I hope it will be helpful to you.
Text term label: Roots blower
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