1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 31 KS B 6889, KS B 6889： 2001(2006 ) 1. 1 2. 9 1 41 2 50 3 51 i ICS 23.080 KS , B 6889： 2001(2006 ) Centrifugal pumps for petroleum, heavy duty chemical, and gas industry services Basic design 1995 8 API STANDARD 610 Centrifugal pumps for petroleum,
2、 heavy duty chemical, and gas industry services, Section I General Section II Basic design , SI ISO . 1. 1.1 1.1.1 , , . . . 1.1.2 1.1 , , . 1.1 , . 1.1.3 1.2 , . 1.2 , . 1.1.4 , . 1 900 kPa 500 kPa 150 3 600 rpm 120 m , 330 mm , , , , , . . B 6889： 2001 2 1.1 ( ) (overhung) OH1(1) (foot mounted) OH
3、2 (centerline mounted) OH3 (vertical in-line separate bearing frame) OH4(1) (vertical in-line rigidly coupled) OH5(1) (vertical in-line close coupled) OH6 (high speed integral gear) (1) 1.1.3 B 6889： 2001 3 1.1 ( ) ( ) (between bearings) BB1 , 1 2 (axially split, 1 and 2 stage) BB2 , 1 2 (radially s
4、plit, 1 and 2 stage) BB3 , (axially split, multistage) BB4 BB5 , (radially split, multistage) (single casing) (double casing) (vertically suspended) VS1 , (wet pit, diffuser) VS2 , (wet pit, volute) B 6889： 2001 4 1.1 ( ) ( ) (vertically suspended) ( ) VS3 , (wet pit, axial flow) VS4 VS5 (vertical s
5、ump) (line shaft) (cantilever) VS6 (double casing diffuser) VS7 (double casing volute) B 6889： 2001 5 1.2 ( ) 1. 2. 3. (2.7.3.1) 1. 2. (2.5.7) 3. (2.5.7) 4. (2.5.6) 1. (2.2.2) 2. (2.2.9) 2 1. (2.5.7) 1. (2.5.7) ( ) 1. (2.2.7, 2.2.8) 2. (2.1.25) ( .) 1. (2.7.3.1) 1.2 1.2.1 1 . , . , . 1.2.2 , , . 1.2
6、.3 . 1.3 1.3.1 . 1.3.2 SI , ISO . , ISO ANSI . 1.4 . 1.5 KS B 0061 . 1.5.1 (barrier fluid) . . 1.5.2 (buffer fluid) ( ) . . 1.5.3 (critical speed) 1.5.4 (dry critical speed) , B 6889： 2001 6 1.5.5 (wet critical speed) , 1.5.6 (double casing) ( , , .) 1.5.7 (drive train components) , , , , 1.5.8 (ele
7、ment) . (bundle) . 1.5.9 (cartridge type element) . . 1.5.10 (hydraulic power recovery turbine) . , . . , . 1.5.11 (hydrodynamic bearings) . . 1.5.12 (maximum allowable speed) 1.5.13 (maximum allowable temperature) , ( ) 1.5.14 (MAWP)(maximum allowable working pressure) , ( ) 1.5.15 (maximum continu
8、ous speed) 105 % 1.5.16 (maximum discharge pressure) ( ) 1.5.17 (maximum dynamic sealing pressure) , . , . 1.5.18 (maximum static sealing pressure) , 1.5.19 (maximum suction pressure) 1.5.20 (minimum allowable speed) 1.5.21 (minimum continuous stable flow) 1.5.22 (minimum continuous thermal flow) 1.
9、5.23 (minimum design metal temperature) ( ). , . 1.5.24 (NPSH)(net positive suction head) B 6889： 2001 7 ( ) ( ) . , , . 1.5.25 (NPSHA)(net positive suction head available) NPSH 1.5.26 (NPSHR)(net positive suction head required) NPSH. . 3 % . 1.5.27 (normal operating point) 1.5.28 (normal wear parts
10、) , , , , , 1.5.29 (oil mist lubrication) 1.5.30 (pure oil mist lubrication；dry sump) . 1.5.31 (purge oil mist lubrication；wet sump) . , . 1.5.32 (operating region) 1.5.33 (preferred operating region) (2.1.12 ) 1.5.34 (allowable operating region) , , ( 2.1.12 ). 1.5.35 (overhung pump) 1.5.36 (pressu
11、re casing) . , , ( 1 1 ). 1.5.37 (rated operating point) 1.3 1.3 (%) (%) 0150 m 2 10 5 10(2) 151300 m 2 18 3 18(2) 300 m 2 15 2 15(2) 4(3) 0 B 6889： 2001 8 (2) (2.1.11 ), . (3) ( .). . 1.5.38 (rotor) . . 1.5.39 (specific speed) , . . (1) . nq= 4/32/1HQN (1) nq ： N： (rpm) Q： (m3/s) H： 1 (m) 1.5.40 (s
12、uction specific speed) , . , . (2) . nqs=4/32/1NPSHRQN (2) nqs： N： (rpm) Q： (m3/s) (m) NPSHR： (1.4.27 )(m) 1.5.41 (throat bushing) ( ) ( 1 1 ) 1.5.42 (throttle bushing) ( 1 1 ) 1.5.43 (TIR)(total indicated runout), (total in dicator reading) . . 1.5.44 ( )(trip speed) 1.5.45 (unit responsibility) .
13、, , , , , , , B 6889： 2001 9 , , , . 1.5.46 (vertical in-line pump) . . 1.5.47 (vertically suspended pump) . . 2. 2.1 2.1.1 ( , ) 20 3 . . 2.1.2 . 2.1.3 . . . 2.1.4 5 % . ( ) ( ) . 2.1.5 105 % , . 2.1.6 , , ( ) . a) b) c) d) e) f) 2.1.7 , , . . 2.1.8 65 . . 2.1.8 . (1.4.30 ) B 6889： 2001 10 . , , ,
14、. . (1.4.29 ) . . , , . , . 2.1.9 . 2.1.10 , ANSI/HI 1.3 . 2.1.11 , , . 10 % . , , . 2.1.12 70120 % (2.8.3 ) . 80110 % . . , . 2.1.13 . 2.1.14 . . ISO 3740, 3744 3746 . 2.1.15 1 200 m 1 225 kW . , ( ) 3 % , 6 % . (2.1.4 ). (3) . B 6889： 2001 11 P = 223)(100RRR (3) P： R2： R3： , , , “V” . . 2.1.16 2.1.15 . . 2.1.17 . , , . ( 1 ). . 2.1.18 , . 2.1.19 .
