Improving Machinery Reliability 3 Episode 3 pot

... 38 PART 1 DC Circuits or V ab = V 1 + V 2 − V 3 (2.23) To avoid violating KVL, a circuit cannot contain two different voltages V 1 and V 2 in parallel unless V 1 = V 2 . V 1 V 2 V 3 a b (a) V S ... circuit illustrating KVL. When voltage sources are connected in series, KVL can be applied to obtain the total voltage. The combined voltage is the algebraic...

Ngày tải lên: 08/08/2014, 19:20

... Specificatiori 7 1 2 3 4 I e 10 11 12 13 I4 15 16 17 16 ! 23 24 21 2( 21 21 2( 3( 31 3; 3: 3r 3! 24 3i 31 31 41 4 4; 4 4! 41 4 4 PAGE3 OF b JOB NO. ... in the unloaded pads. 4 1 6 7 8 # 10 11 12 13 14 16 16 17 18 IO m 2% 22 23 24 25 2s 27 28 20 Jo 31 32 33 3 35 36 37 30 30 40 41 42...

Ngày tải lên: 13/08/2014, 09:20

... UX -2 = UNIREX -2 GG = Grease Gun T - 32 = Teresstic - 32 GC = Grease Central G-90 = Gear Oil-90 BO = Bottle Oiler SY - 32 = Synesstic - 32 CI = Circulating System Figure 1 -34 . ... be safely accom- Original 1 2 34 Upraled New 1 2 3 Figure 1- 12. Compressor uprate through downward movement of stages. 36 Improving Machinery Reliability tio...

Ngày tải lên: 13/08/2014, 09:20

... 4,026. 5 ,33 3. 3, 019. 3, 555. 2,0 13. 1,778. 1,006. 711. 4 03. 14 ,34 8. 16,0 13. 14,479. 15,028. 10,629. 1 1,892. 10,760. 11,176. 6,911. 7,771. 7,042. 7 ,32 4. 3, 192. 3, 6 53. 3, 3 23. 3, 472. ... 26.720 5.714 27.279 5.461 27.9 63 5 .32 0 28.8 03 5.269 29.842 5.291 31 .144 5 .37 5 32 .8 13 5.502 35 .020 5.659 38 .078 5.875 42.625 6. 233 50.248 7.020...

Ngày tải lên: 13/08/2014, 09:20

... causes 22% 21% 13% 8% 6% 6% 3% 1% 20% I22 4 28 110 22 48 200 35 0 I0 .44 .42 .26 .I6 .12 .I2 .06 .02 .40 100% 2.00 54 2 7 18 3 6 12 7 28 I37 hours - problem-cause ... 1 03 Shaft problemskouplings 21 Case failure/auxiliary lines 35 Stuck 20 Bad performance 4 17 Other causes Total 38 2 - 1 53 83 13 22 60 2 13 18 22...

Ngày tải lên: 13/08/2014, 09:20

... .39 .41 .44 .5 I 30 . 43 .50 .49 .55 60 .47 .55 .56 60 I50 .50 .56 .58 .6 I 50 0 .5 1 .58 .60 . 63 Double Helical 20 .31 .44 . 43 .49 30 .39 .47 .46 .52 60 .42 SO .50 .55 ... 126,000 x 13, 200 x 5. 5 13 8,088 x 89.87 x 18 x 4 .5 13 K' = = 15. 5 .3 Ratio: 1 75. 71 15. 5 .3 = 1. 13 Step 4: P, = Nl(d1cos'P) = 4119.4...

Ngày tải lên: 13/08/2014, 09:20

... Figure 3- 82). The stress concentration factor for our sample keyway is 2.9 (obtained from Figure 3- 84). 43 Figure 3- 82. Steam-turbine shaft dimensions. 2 36 Improving Machinery Reliability ... 0.057) = 1 73 lb-in. Mtotal = -,/(25,025)2 + (52,000 + 1 73) ’ Mtota! = 57, 864 lb-in. = 6, 472 psi (57, 864 ) (2.25) 64 0, = (n:) (4.514 = 770 psi (1 73...

Ngày tải lên: 13/08/2014, 09:20

... 12 , 37 0 102,900 0 2,082 17 ,31 7 19 ,39 9 2 67, 024 2 67. 024 9.16 4 3, 70 0 102,900 49 ,70 0 404 11, 233 11, 6 37 160,18 1 209.881 13. 74 4 3, 70 0 102,900 7 1, 870 269 7, 489 7, 758 106 ,78 9 ... 10 F~l~revalueol US11.001 1 001 1.121 1251 1.401 1. 571 1 .76 1 1.9112 211 2.481 2 7? 13 11 13. 461 39 014 .36 14 88l547l6.13l 6 871 7. 691 8...

Ngày tải lên: 13/08/2014, 09:20

... ussm S 7.111 s 1 .81 8 5 2.m t 2.545 s 5 ,33 3 S 2.667 t 1.600 E 7,967 S 2.175 S 2.4 78 s 2.9 98 s 5.975 t 3. 025 S 1.715 5600 s364 t 520 It 1 28 I 23, 076 IS 16,600 ... 02222 8 100 5 1 78 Shaft 22 00455 10 100 t 45 Impeller 16 00625 8 100 5 50 Housing 22 00455 14 100 s 64 PumpBeanngs 6 01667 8 100 t 133 Motom 12...

Ngày tải lên: 13/08/2014, 09:20

... turbines Combustors Compressor rotor 3 2 2 2 1 1 2 2 5 3 2 2 1 1 2 2 2 4 3 3 2 2 5 4 4 4 3 2 2 2 3 2 4 1 2 I 3 2 3 1 2 3 2 full set full spare full spare ... ASME B 73. 1M- 199 1, “Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process,” American Society of Mechanical Engineers, New York. 35 8 Improvin...

Ngày tải lên: 13/08/2014, 09:20

... Safety 1 0 - 73, 899 - 73, 899 0 Nil 2 2,672 -70,8 73 - 73, 545 35 4 Nil 3 8,2 83 259,545 25 1,262 32 516 1 Nil 4 13, 360 278,284 264,924 33 8,8 23 Nil 5 16,700 297,0 63 280 ,36 3 35 4,26 1 Nil ... Compressor 'I 6 13 79 Revision 0 ' 13 14 15 16 I7 18 19 20 il 21 23 i4 Figure 10 -3. Detailed bar chart for turnaround task. 4...

Ngày tải lên: 13/08/2014, 09:20

... affect machinery life in unknown or unquantifiable ways. 450 Improving Machinery Reliability Figure 11- 10. Downstream piping details. Figure 11- 11. Pump bearing housing. 458 Improving Machinery ... Operating Expenses,” Turbomachinery International, JulyIAugust 1989, pp. 34 ,35 ,46. 11. Bloch, H. P. and Geitner, F. K., Practical Machinery Management for Process...

Ngày tải lên: 13/08/2014, 09:20

... (Line 36 x Line 37 ) Profitability Calculation 35 . $4 ,35 2 - 36 . $3 1,740 37 . $4 ,35 2 38 . $27 ,38 8 - Cost of air stripper purifier 39 . $17,250 Payback period (months) (Line 38 Line 39 ) ... 29 x Line 30 /1000 Nitrogen consumption (m3/hr) 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30 . 31 . 32 . 0.2 0 $100,000 $20,000 $3 1,740 8,000 1.1...

Ngày tải lên: 13/08/2014, 09:20

... Blower seal 556 Improving Machinery Reliability Figure 13- 32. The seal face for OD and ID pressurization stays closed in case of reversed pressure. Figure 13- 33. Pressure developed ... temperature is shown in Figure 13- 13. The multiport arrangement resulted in cooler and more stable face temperatures. After 540 Improving Machinery Reliability Figure...

Ngày tải lên: 13/08/2014, 09:20

... Pipe flexibility, 33 3 -33 4 Pipe restraints, 33 4 -33 5 Pipe stress, 32 9 -33 8 Piping alignment, 638 -642 Piping loads, 33 0 -33 3 Poseidon pump, 177 Predictive maintenance, 37 3, 4 16- 429 Preload, ... deviation, 34 , 36 Spiral groove gas seal, 582-5 83 Standardization, 65,68 Startup 36 1 -36 4 documentation, 34 8 -36 0 preparations, 33 9 -34 2 reporting structu...

Ngày tải lên: 13/08/2014, 09:20