Maintenance points of vacuum pump of vacuum feeding equipment

(1) The vacuum pump is strictly prohibited to work without oil. Check the oil level at least once every time. When the oil level is lower than the maximum oil level mark, add circulating oil to the maximum oil level (max).

(2) Oil brand selection. Generally, the ambient temperature is 12 ~ 30 ℃, and the normal operating temperature of the oil is 75 ℃. The vacuum pump oil with viscosity of 100, such as vm100, BP energy CS100, shell Talpa G100, should be selected.

(3) Check the oil quality. Check the oil quality once a day, and replace the circulating oil in time when the oil quality deteriorates. Due to the different working conditions, the oil change intervals are different. Generally, the first time is to change oil for 100h, and then change oil between 500h and 2000h. The maximum oil change interval is no more than half a year.

(4) Check the exhaust filter. A pressure gauge is installed on the oil filler of the maintenance device to measure the pressure of the exhaust filter. When the pressure is more than 0.06mpa, the exhaust filter needs to be replaced. Generally, it is checked once a month and replaced once a year;

(5) Observe the oil mist at the exhaust port. During operation, when oil mist is discharged from the exhaust port, check whether the oil return pipe is blocked, whether the oil separation filter element is damaged, or whether the sealing gasket needs to be replaced. Generally, the sealing gasket is replaced with the replacement of the filter element.

(6) Clean up regularly. The air filter element at the air butterfly valve shall be cleaned regularly with compressed air to prevent dust from entering the vacuum pump, and check whether the seal between the apricot filter element and the cylinder block is effective. Regularly clean the cone dust filter element, air filter element and vacuum pump filter screen at the inlet flange. After cleaning, pay attention to the installation of all the sealing rings, especially the seal on the fixed cover of the filter element and the dust filter element inside the feeder. The operator must clean regularly and replace it in time to ensure the first layer of the raw material is effectively filtered. Otherwise, a large amount of dust will enter the vacuum pump, with extremely serious consequences.

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