47 2 1. 1.1 1). KS B 6301. (.),, 2.1. 2) A, B, C, 0 A 0, C
48 3) Q,,,,. 4) 5) (H- Q ), p. H- Q H- Q. 2.2. 1.2 1) a).,, 3,. Ns, n : rpm Q : n Q 1/ 2 H 3/4 (2. 1) H : m /min.,, 1.
49 () Q = 14/min, H = 100m n : 1750 rpm 1 Ns = 1 75 0 14 1/2 1 00 3/4 = 2 Ns = 1 75 0 14 1/2 50 3/4 = 1 17 5 0 3. 74 3 1. 62 17 5 0 3. 74 1 8. 80 = 20 7 = 34 8 Ns = b) 1 75 0 7 1/ 2 1 00 3/4 = 1 75 0 2. 65 31. 6 2 = 14 6 Ns,, Ns. m. /min, rpm, Ns 2.1. 2.1 Ns Q /min l/s / s ft/min US gal/ min Imp.gal/min H m m m ft ft ft n rpm 1 4.083 0.129 2.438 6.668 6.084 0.245 1 0.0316 0.597 1.635 1.492 Ns 7.746 31.6 1 18.82 51.50 47.20 0.410 1.673 0.053 1 2.730 2.500 0.15 0.611 0.09135 0.365 1 0.915 0.164 0.670 0.0212 0.400 1.092 1 c) (m, /min, rpm).
50 d) ( H, Q, n), Ns. Ns, Ns., Ns Ns.,.
51 2) 2) a),,. Q ' Q = n ' n H ' H L ' L ( D ' D ) 3 (2. 2) = ( n ' n ) 2 ( D ' D ) 2 (2. 3) = Q ' H ' p Q H p ' = ( n ' n ) 3 ( D ' D ) 5 ( p p ' ) (2. 4), L : n : D : ( ) p: b) 1 D' /D=1, p / p=1. Q ' = Q ( n ' n ) (2. 5) H ' = H ( n ' n ) 2 (2. 6) L ' = L ( n ' n ) 3 (2. 7), Q, H, L Q', H', L' 1, 2, 3, 2.5. ) p / p = 1.
52 3) a),. (,.) b) KS B 6325. ) Reynold Re/ R e m 115. ) Hm/H 0.5, Hm/H 0.8. ) 300. ). c).
53 Q p = Q m ( n p n m ) ( D 2p D 2m ) 3 ( H p = H m ( n p n m ) 2 ( D 2p D 2m ) 2 ( L p = L m ( n p n m ) 3 ( D 2p D 2m ) 5 ( p m ) 1/ 2 p m ) 1/ 2 (2. 8) (2. 9) p m ) (2. 10) p = 1 - ( 1 - m ) ( D 2m D 2p ) 1/ 5 (2. 11), Q p : (/ min) Q m : (/ min) H P : (m kgf/ ) H m : (m kgf/) L p : (KW) L m : (KW) n p : (rpm) n m : (rpm) D 2p : (m) D 2m : (m) p p p m : (%) : (%) : (kgf/ ) : (kgf/) 1.3..,,,. Ns. Ns 0 ( ) ( 2.6(a)). Ns Ns
54 ( 2.6(b))., - Ns (2.6(c)). Ns.
55 1.4 1.2,2),b). 20%. n n' 2.7, 2.8 (), () (), (), n H, Q, L NPSHre n' H', Q', L' NPSHre'. Q ' = Q ( n ' n ) (2. 5) H ' = H ( n ' n ) 2 (2. 6) L ' = L ( n ' n ) 3 (2. 7) N P S H r e ' = N P S H r e ( n ' n ) 2 (2. 12) KS B 6301,.,. 2.9, Sys tem - (H- Q ), () () A( Q), () A' ( Q' ), () () a( q). 2.7 () q b.,. ) 2.
56 1.5,.,. D D' (2.10 ). 2.11 D' /D. (Ns),.,,,. D (), D' () () A( Q, H) () A' (Q', H' )
57 Q Q ' ( D D ' ) 2 (2. 13) H H ' ( D D ' ) 2 (2. 14), Q, H D2 A, A' 2.11 O.,,..., 2.10 P..
58 1.6, KSB 6301 KS B 6306..,,. 1),,,,. 2) 40,, (), H- Q,. (/min) = (/min) (m) = (m)
59 (Kgf/) = ' / [ (Kgf/ )] [MPa] = ' / [ (MPa)] (KW) = ' / [ (KW)] = ' / [ (KW)] : (Kgf/) {' : (Kg/)} : (Kgf/ ) {: (Kg/)} 3),,.,.,, 2.12. a) KS B 6306 HI(American Hydraulic Instandard) Standard, (Open Clos e),. b), 1.12,, C q, C h, C. ) Q n 0. 6 Q n, 0. 8 Q n, 1. 0 Q n, 1. 2 Q n m, % 2.12. ( Q w, H w, w.) ) 2.12 Q n H n sus Centistokes
60 (cst) ( C q, C h, C ). ) : Q o = Q w C q (/ min) : H o = H w C h (m) : o = w C (%) : L o = 0. 61 3 o Q o H o / o (KW ) o (Kgf/ )
61 4) Slurry a) Slurry.
62 b) ) 100 2.13(1) A B. ) : Q o = Q w A (/ min) : H o = H w (m) : o = w B (%) ) 100 2.13(2) A' B'. ) : Q o = Q w (/ min) : H o = H w A ' (m) : o = w B ' (%) Q w : (/min) H w : (m) w : (%) ) : L o = 0. 16 3 o Q o H o / o ( K W ) o = S lu r r y (Kgf/)
63 5) Pulp a). Pulp b) ) 2.14(1) 2.14(2) A. ) : Q o = Q w A (/ min) : H o = H w A (m) : o = w A 2 (%) Q w : (/min) H w : (m) (BD% ) w : (%)
64 ) : L o = 0. 16 3 o Q o H o / o ( K W ) o = P u l p (Kgf/) ) Pulp Pulp 2.14(3).
65 2. 2. 1 100 1 100,..,,,.,,,.,.,. 2.2 (NPS H)
66. (NPSHav) (NPSHre). NPS HNet Positive Suction Head. 1) (NPS Hav) System NPS H. a) NPSHav NPSHav=hs v=ps/ - Pv/ hs - fvs /2g (2.15), hsv : (m) (2.15) Ps : (Kgf/abs ) Pv : (Kgf/abs ) : (Kgf/) hs : (2.15 ) (m) ( (- ), (+)) fvs/2g : (m) (4) NPSHavhs,. 2.15.
67 b) NPSHav 0 (2.15). NPSHav 10 hs fvs /2g (2. 16) c) NPSHav ) Pv (2.15). NPSHav = hs fvs /2g (2. 17)
68 (Pv hs) Pa (1+f) Vs/2g ) hsv = 1/ 1/ (Pa- Pv)Vs/2g Ps(Kgf/abs ) (2.15). NPS Hav=1/(Ps- Pv)hs- fvs/ 2g (2. 18) (Ps hs) Pa (1+f) Vs /2g hsv = 1/ 1/ (Pa- Pv)Vs/2g ) Pa= (Kgf/abs ) d) NPSH ) () 20 20 20 (m) 0 1000 0 Ps (Kgf/abs) 1.033010 0.918010 1.033010 Pv (Kgf/abs) 0.023810 0.023810 0.023810
69 (Kgf/ ) 998.2 998.2 998.2 hs (m) - 4-4 +3 fvs/ 2g (m) 0.7 0.7 0.5 h s v = (2.15) P s - P v h s - f V s 2 2 g hsv=10.35-0.24-4 - 0.7 =5.41m hsv=9.2-0.24-4 - 0.7 =4.26m hsv=10.35-0.24 +3-0.5 =12.61m ) () 20 120( ) (m) 0 0 Ps (Kgf/abs) 2.000010 2.024510 Pv (Kgf/abs) 0.023810 2.024510 (Kgf/) 998.2 943.1 hs (m) +5 +5 fvs/2g (m) 0.7 0.7 (2.15) hsv=20.04-0.24 hsv=21.47-21.47 h s v = P s - P v h s - f V s 2 +5-0.7 +5-0.7 2g =24.1m =4.3m
70 2) (NPSHre) (NPSHre). 2.19, NPSHre a- c',, T homa. a) 2.20 3% (H/ H=0.03).
71 b) ( NPSHre ) ) NPSHre (Hsv), HsvQ, n. S = Q 1/ 2 / Hsv 3/4 n (2. 19), Q 1/2. Q /min, Hsvm, nrpm S Ns 12001300. S=1300 nq NPS Hre 2.21.
72, S=1300 NPSHre. 2.22 NP SH re ' = N P SH re (2. 20) NPS Hre' : NPSHre : S=1300 :
73 ) NPSHre (T homa ). H, Hsv T homa (). =Hs v/h=npshre/ H (2. 21).,. S 2.23.
74... 2.24. Qo : Hsvo : NPSHre 2.24 ) NPSHre NPSHre Non- Clog NPSHre.,. 3), ( ),
75
76,. a).. 2.25. b) 2.25. c)... 2.26.
77 2.3 1) [NPSHre (1 )], [NPS Hav NPSHre (1 )]. 0.3 (,NPSHre 0.3 0.5m). 2) NPSHre S ystem NPSHav. 2.27 NPSH A, A,. ) NPSHre. 2.4, NPSHre ( ). HIS(Hydraulic Ins titute Standards 1975 )NPSHre 2.28., NPSHre ( )NPSHre1/2 HIS..
78 1) 1 a) NPSHre 5m. b) - 10Propane 3.5Kgf/abs(A). c) - 10Propane A NPSHre. B1.7m d) NPSHre NPSHre- 10Propane NPS Hre NPSHre5-1.7=3.3m.
79 2) 2 a) 12.8 Propane, Propane 7.0Kgf/abs( C). b) - 12.8 Propane C NPSHre D2.9m, (2.9m) NPSHre(5m)dml 1/ 2 2.5m. d) NPSHre NPSHre 2.5m NPSHre5-2.5=2.5m. 2.5. 1),, NPSHav. 2) NPSHav 1.3 NPS Hre. 3) NPS H NPSHav ( ) 1/2. 4). 5) NPSHre. 6)., Booster.
80 7). 8). 9). NPSHre. 10). 11). 2.6.,
81... 18-8, 13Cr. 2.29. 2.30. 3. 3. (Surgin g) 3.1,.
82 3.2. 1) H- Q 2.31 (). 2), ( ). (2.32 ) 3) B. 4) Q.. A. 3.3 1) H- Q. 2). (A.) 3) H- Q
83. 4). 4. (Torqu e) 1 ( ). 1 ( ). 4. 1 ( ), 3,., 2 (T ) C. (2.33 )
84 ( )., (T) (T)1030%,.C CD ABCD. 4.2 2.34ABC, n', 100% T.
85 n' D ABDE. 2.34, T, T. 2.35 ABDE. 4.3 1).,
86 2) Y- ( ). 3) GD.,. 4),,. 5..
87. 0,. 2.37. 2.36..,, ( ). 5.1 ( ) t.
88 t ( C) = A ( 1 - p) H = C p 1 - p 427 p p : Q H C A t : Q (m) : (1Kcal/Kg ) : 1/427 = (Kcal/Kgm) : Q () t 1015. H (2. 22),. Balance Balance Return Return Balance Return t. t = [ H 427 1 - p Q : t/h p Q e Q + Q e ] + H 427 Q e : Return (Balance ) t/h t, p, H (2. 23) 1, 2 Balance. Balance t, Balance. 5.2 Balance Return Return
89. t = H 427 [ 1 - p p + Q + Q e Q ] (2. 24) T = Q T 0 + Q e ( T 0 + t ) Q + Q e (2. 25), T Return () Return () T 0 T., T NPSHre, ( T 0 t). 5.3. Relief. 1) Relief, 50Kgf/. Relief Return. ( Relief.) 2) Relief Check 140Kgf/. Relief, Relief Relief. Relief.
90 3) Relief Relief Relief, 2 Tank. 3- Pas s, Relief. 3- Pas s, Relief Relief T ank. Relief. 6. H- Q Q=0Q= H- Q H, Q, KW.,. 6. 1 1) 2.38 H- Q
91 R A. R' B. R' Q H- Q. (,.), C. 2) 2.39.,. 3). ( 2.40 ), A System.
92 4) Q, H 1, 2 {1.2 2)}, H- Q 2 0 ( 2.41 ). 1, 2. 2.41 H- Q A,A,A A,B,B.
93 5) H- Q a) Q=0( ) ( ) ( ) Q. (2.42) b) System( ),. c). 6. 2, 2,. 2.43,,, a. a R R. R R
94. System 2,.,,. 2) 2.44 H- Q. 2 B, 3 C, B,C. AB C. 1, abc. 2.45
95, H- Q. 3) 2.46 A
96, A Z., 2.47 S A Z., T. 4) H- Q
97 2.48., A B, a b. 5) () 1. 2.49 R 1 A., A C Check., R B. 6) 2 2.50 2. R A, B, C.
98 RZ A' C', 1 B' B".. 6.3, 1) 2.51 P Ha
99. R,R RR R. ab+ac=de. R e. 2) a) 0 2.52 P B, C 0. RPB, RPC R R,R. ab+ac=ad. R d, Q, QQ. b) 2.53 P B, C Ha, Ha, RPB, RPC, R,R R, a, Q, QQ.
100 c) 2.54 PHa B, Ha C, Ha D, PBR,BC R, BDR, B A RHa A'. BC, BD R, A' a' Q,, R,R C, D Q,Q.
101 d) 2.55 P C BQ 0. PB R,BC R, R O, R Q K. R R R, a. 3) 2.56A, B R, R C R D. AC, BC CD AB C. C A, AR A'. B C B'. A' B' 2 C D. A' +B' E, R a Q. Q Q. A, B, C, D
102. 4) a) H- Q.. b).. ),,. ) c) H- Q.
103 d), 1,.,,. e),,. 7.,,. 7.1 1). 2), Space,..
104 3),. 4) ( 2) ( 2 : 1),., (8.4 ). 5), Full, Group,.,. 6),,,,,, Grane,. 7.2 1. Maker,. 7.3 1),
105 2... 2) Peak Peak Peak. 3) Dies el Diesel. 8.,,.,,,. 8.1 Point.,. 1), Plant 2),, ( )
106 3) Q, H 4) (H, Q ) 5) ( ) 6) Scale 7) Valve On- Off, Sys tem. 8) ( ) 8.2 H- Q,,,, H- Q,, Sys tem. System. Initial Cost Running Cost. 1) 2). ) 1) H- Q. 2),,, 3). 4) H, Q,.
107
108 8.3 1) 500KWMotor 1%. 500KW 0.0124Hr365=43,800KWHr. 1KW Hr=65.8, 290. 2) 40m 35m,. 40m 100% 35m 10035/40= 87.5% 12.5%... 3) 10 100m 90m 80m 1 2. 100m 100KW 90m, 80m 90KW, 80KW 10%, 20%. Distance Liner, Sleeve, Balancing. 4) (1 ) T otal,., (8.4 ).
109 5). H- Q, ( ) H- Q..., Belt,, ( ), 1, 2, 2, 2,. 20%..,. 2.57, Plant (H- Q ) ()
110 (R) A( Q) (), A' ( Q' ) (R) () a( q). () q b. ( 2.58) 2.58 B b. 3 20%. b B'. 8.4 1) 2 3, (Lead Pump & Main Pump) Duplex Type 50%- 50% 33%- 67%, Triplex T ype 33% - 33% - 33% 20% - 40% - 40%,. 2),,,, 3) 0 0 0 0-0 0 T : 2 D : 4 D : Duplex T ype T : Triplex Type
111 4) S ystem. S ystem 2.59, Duplex, Tripex Duplex, Triplex. Type Duplex Type 25%, Triplex Type 11%. a) DUPLEX TYPE ) Duplex T ype Duplex T ype ( 50%- 50% ), 50%, 50% 2.60 198.8HP- Hr/Day( ), 80%. 1 43,305 KW- Hr/Year(=198.80.80.746365)
112 ) Duplex T ype Duplex T ype ( 33%- 67% ), No- Flow Shutoff, 33% Lead, 33%- 67% 67%Main, 67%., 2.61 150HP- Hr/Day( ), 80% 1 32,675KW- Hr/Year(=1500.80.746365) Duplex T ype 25%.
113 b) T RIPLEX T YPE ) Triplex Type Triplex T ype ( 33%- 33%- 33%), 33%, 33%, 66% 3 2.62 327.5HP- Hr/Day( ), 80% 1 71,340 KW/ Hr/Year(=327.50.80.746365). ) Triplex Type T riplex T ype ( 20%- 40% - 40%), No- Flow Shutoff, 20% Lead, 3., 2.63 290.6HP- Hr/Day( ), 80% 1 63,302 KW- Hr/ Year(=290.60.80.746365) Triplex Type 11%.
114 5) a) d) b) T op Pull- Out Type Pump e) (Flow Regulator) - Clos e Coupled Pump f) (1750, 3500 rpm) c) (PRV) g) - Pres sure Regulating Value - T hermal Purge Valve
115 6) a) T op Pull- Out. b) (Close Coupled T ype)., c). d), /. e). f),. 7) a) (PRV) - - b) (Flow Regulator) - c)
116 - d) - (1 2(3) ). 8) DUPLEX TYPE TRIPLEX T YPE 1 Q33% 1 Q20% LEAD PUMP Start LEAD PUMP Start 2 33%Q67% MAIN PUMP Start LEAD PUMP Start 2 20%Q40% MAIN PUMP() Start LEAD PUMP Stop 3 Q67% LEAD PUMP Start MAIN PUMP Operate Continuous ly 3 40%Q80% MAIN PUMP() Start MAIN PUMP() Operate Continuously 4 Q80% LEAD PUMP Res tart MAIN PUMP(,) Operate Continuously
117 9) GC 200 HEC M- Series BC BC, 3, 220V/ 380V SM 45C SM 55C 10) a) -, 20,. b) -. - Reset. c) -,. - Res et. d) -,. 11) a).
118 b) 0. c) 40,. d),,.