Nbd 5 Report-Vibration
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1 In this section, we found NO2 Main Boiler Feed pump Vibration high and beyond the limits. Other feed pumps were not available for checks No1 FO purifier Vibration is on the higher end. Other purifiers were not available for checks Detailed graphical analysis given at the end of this section Name Type Date Value Unit DDS 2014\Kara G-Ndb 5\01-No2 Main feed pp Mot NDE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :57: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :57: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :58: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :58: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :58: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :59: g DDS 2014\Kara G-Ndb 5\ 02-No2 Main feed pp Mot DE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :59: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :59: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :00:44 5 mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :00: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :01: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :01: g DDS 2014\Kara G-Ndb 5\ 03-No2 Main feed pp DE
2 Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :03: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :03: g Point 1-H\Demod_RMS Dmd-Wb < None > 4/12/ :03: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :04: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :04: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :04: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :04: g DDS 2014\Kara G-Ndb 5\ 04-No2 Main feed pp NDE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :06: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :06: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :06: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :06: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 4/12/ :07: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 4/12/ :07: g DDS 2014\Kara G-Ndb 5\ 05-No1 FO Purifier Mot NDE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:42: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:42: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:42: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:42: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:43: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:43: g DDS 2014\Kara G-Ndb 5\Machine 06-No1 FO Purifier Mot DE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:44: mm/s
3 Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:44: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:44: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:44: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:45: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:45: g DDS 2014\Kara G-Ndb 5\ 07-No1 FO Purifier Bowl Top Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:46: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:46: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:47: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:47: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:48: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:48: g DDS 2014\Kara G-Ndb 5\08-No 2 LO Purifier Bowl Top Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:54: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:54: g Point 1-H\DEMOD RMS Dmd-Wb < None > 5/12/2016 8:54: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:54: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:54: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 8:55: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 8:55: g DDS 2014\Kara G-Ndb 5\ 09-No1 Mooring Mot NDE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:42: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:42: g
4 Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:43: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:43: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:44: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:44: g DDS 2014\Kara G-Ndb 5\10-No1 Mooring Mot DE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:45: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:45: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:46: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:46: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:46: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:46: g DDS 2014\Kara G-Ndb 5\ 11-No 2 Mooring Mot NDE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:48: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:48: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:48: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:49: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:49: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:49: g DDS 2014\Kara G-Ndb 5\12-No 2 Mooring Mot DE Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:50: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:50: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/2016 9:50: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/2016 9:51: g
5 Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :15: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :15: g DDS 2014\Kara G-Ndb 5\ 13-No 1 COT Tur Top Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :33: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :33: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :35: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :35: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :35: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :35: g DDS 2014\Kara G-Ndb 5\ 14-No 1 COT Tur Bot Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :37: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :37: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :38: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :38: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :38: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :38: g DDS 2014\Kara G-Ndb 5\15-No1 COT GB Top Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :39: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :39: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :40: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :40: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :41: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :41: g
6 DDS 2014\Kara G-Ndb 5\ 16-No1 COT GB Bot Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :42: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :42: g Point 1-H\Demod_RMS Dmd-Wb < None > 5/12/ :42: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :43: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :43: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :43: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :43: g Point 3-A\Demod_RMS Dmd-Wb < None > 5/12/ :44: g DDS 2014\Kara G-Ndb 5\ 17-No 1 COP Top Brg Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :33: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :33: g Point 1-H\Demod_RMS Dmd-Wb < None > 5/12/ :33: g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :34: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :34: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :34: mm/s Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :34: g DDS 2014\Kara G-Ndb 5\ 18-No 1 COP Bot Brg Point 1-H\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :36: mm/s Point 1-H\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :36:09 1 g Point 2-V\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :36: mm/s Point 2-V\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :37: g Point 3-A\Vel_RMS Vel RMS (600-60,000 [RPM]) 5/12/ :38: mm/s
![Point 3-A\Acc_RMS Acc RMS (30,000-960,000 [RPM])](/docs-images/95/123622061/images/7-0.jpg "5/12/2016 12:38:29 0.615 g Higher Vibration level 8.")
7 Point 3-A\Acc_RMS Acc RMS (30, ,000 [RPM]) 5/12/ :38: g Higher Vibration level 8.52 mm/s
8 Looseness of the Running components seems to be the dominant issue. No2 Boiler feed pump needs an overhaul maintaining impeller/wear ring clearances. Gear box to be also checked
9
10 Higher RMS vibration level 9.15 mm/s Cleaning of the bowl is expected to reduce the vibration
11 FFT above indicates typical Mis-alignment spectrum ( Main shaft to gears, between gears)
12 Raised Floor indicates Looseness of Foundation bolts, bearing looseness (internal as well as External)
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