Products
Common Problem
Common Problem
- Categories:Common Problem
- Time of issue:2021-02-19 16:48:10
- Views:0
Malfunction |
Reasons |
Processing methods |
|
High water level in 1. pump |
Ø check and adjust water level to normal level |
Initiation difficulties |
2. power supply issues |
Ø check for power or short circuit |
Killed during commissioning or operation |
3. scaling is serious |
Ø removal or pickling |
|
4. packing gland is too tight |
Ø relief gland bolts |
|
5. rust on internal parts |
Ø force the rotor and wash it with oxalic acid |
|
6. foreign body stuck in pump rotor |
Ø water scour and open check |
|
|
|
|
1. Control Cabinet Current Protection Adjustment |
Adjust Ø current rating of thermal relay |
Motor short circuit or overload |
2. winding |
Ø check motor winding |
|
3. fluid flow is too high |
Ø water intake valve reduces working fluid flow |
|
4. exhaust pressure is too high |
Ø reduce exhaust pressure to specified range |
|
5. high liquid content in inhaled gases |
Add separator at Ø entrance and reduce working fluid flow |
|
|
|
|
1. scaling is serious |
Ø removal and removal of active pickling |
Low vacuum |
2. belt slip causes speed drop |
Ø tighten belt |
|
3. Insufficient or excessive supply of water |
Ø regulating water supply and reducing working fluid temperature |
|
4. vacuum leakage |
Ø check for leakage in packing line and pump clearance |
|
5. vacuum table shows incorrect |
Ø replacement of vacuum gauge |
|
6. valve plate |
Ø replacement valve plate |
|
|
|
|
1. high temperatures lead to cavitation |
Ø use of cooling water |
|
2. gas friction or ejection |
Ø the vent out |
High vibration and noise |
3. axis alignment is not good |
Ø re-neutralize lock |
|
4. anchor bolts loose |
Ø tighten anchor bolts |
|
5. fluid flow is too high |
Ø installed orifice flowmeter to reduce flow |
|
6. suction tube is too thin |
Ø use a thicker tube wall |
|
|
|
|
1. belt is too tight |
Ø relax belt properly |
|
2. motor reducer water ring pump misalignment |
Ø re-entry |
Heating at the bearing |
3. lubricating grease lacking or excessive |
Ø Improved lubrication conditions |
|
Improper installation of 4. bearings |
Ø adjustment bearings |
|
5. bearings rusted, raceways scratched |
Ø replacement of new bearings |
CONTACT US
Zibo ShuiHuan Vacuum Pump Factory Co., Ltd.
Tel: 0533-4178155 0533-4175945
Fax: 0533-4179957
Website:www.shzkb.com
Account number:409952690208091001
Tax ID:370304724954109
E- mial: shzkb@shzkb.com
Address: 299# Guojing Road, Boshanxi, Zibo City, Shandong Province

©COPYRIGHT Zibo ShuiHuan Vacuum Pump Factory Co., Ltd. 鲁ICP备12033235号 国际站建设:中企动力 淄博