QZ3NB-1300钻井泥浆泵是青州石油机械厂研制的钻井泥浆泵；设计特点是优选了参数，适当地增长了冲程，合理地降低了冲数，改善了泵的吸入性能，延长了易损件的寿命。该泵主要用于油田及其它工矿企业；用于钻井，修井以及远距离输送液体介质等作业；主要配置25~45型钻机。
该系列泵严格按照石油工业部SY5138标准生产，并按照标准进行出厂试验
QZ3NB—1300Drillingmudpump
QZ3NB-1300drillingmudpumpisthepumpresearchedandmanufactureedbyQingzhoupetroleummachineryfactory.Thedesigncharacteristicsisanoptimizationparameter,itcanincreasethestrokeproperly,lowerthespeedreasonably,improvethesuctioncapabilityofthepump,andprolongtheservicelifeofwearingparts.Thepumpisusedforoil-fieldandotherindustrialandminingestablishments;andalsousedforthedrill,wellworkoverandtransportingtheliquidmedia.itismainlyinstalledon25-45rig.
TheseriespumpareproducedaccordingtoSY5138ofthepetroleumindustrystandardstrictly,andcarrythroughfactory'sexperimentaccordingtothestandard.
QZ3NB—1300钻井泥浆泵技术参数
QZ3NB—1300Drillingmudpumptechnicalparameter
型式
Type

三缸单作用活塞泵
TriplexSingleActingPistonPump

冲程长度
StrokeLength:

305mm 额定功率
Ratedpower

1300HP（956KW）

吸入管径
Suctioninlet

Φ300mm 额定转速
Ratedspeed

120SPM

排出管径
Dischargeoutlet

Φ102mm 齿轮传动比
Gearratio

4.194 重量Weights

26800Kg 泵速
PumpSpeed
SPM

缸套直径LinerSizemm 130

140

150

160

170

180 理论排量TheoreticalDisplacementLs 120

24.27

28.16

32.52

36.18

41.52

46.54 100

20.23

23.46

27.1

30.15

34.6

38.78 90

18.21

21.12

24.39

27.13

31.14

34.90 额定压力MPa
PressureRating

34.3

30.5

26.6

23.4

20.7

18.5

机械效率按90%容积效率按100%
Basedon90%mechanicalefficiencyand100%volumetricefficiency.