pump lec. part 1

1I am a Chemical Engineer www.facebook.com/IamCheEng

Presented by:

Ahmed Yehia

Process engineer, Suez Oil Processing

Company (SOPC)

PUMPSI am a Chemical Engineer introduces

Part 1


.1Pumping ()

.2Pump

gnEehCmaI/moc.koobecaf.www reenignE lacimehC a ma I3

spmuP

) ( gnipmuP

.

. pmuP

.pmup

...

.


Pumps


Pumping system.


spmuP

.metsys gnipmuP

. :

. :

. :

. :

pmuP

.


Pumps


pumps

Positive displacement

Rotary

Lobe

Screw

Gear

Slide vane

Reciprocating

Diaphragm

Plunger

Piston

Dynamic

Special effect

Get gas lift

Centrifugal

Axial flow

Radial flow

Turbine flowMixed flow

Pumps


head-flow pumps


Dynamic pumps


pumps


Rotary

Lobe

Screw

Gear

Slide vane

Reciprocating

Diaphragm

Plunger

Piston

Dynamic

Special effect

Get gas lift

Centrifugal

Axial flow

Radial flow


Dynamic pumps


pumps


Rotary

Lobe

Screw

Gear

Slide vane

Reciprocating

Diaphragm

Plunger

Piston

Dynamic

Special effect

Get gas lift

Centrifugal

Axial flow

Radial flow


Special effect pumps


Special effect


NozzleSuction

Steam Inlet

Diffuser

Mixing area

Suction

Steam Inlet Diffuser


Continuity equation

A1V1=A2V2


Bernoulli equation


Special effect


pumps


Rotary

Lobe

Screw

Gear

Slide vane

Reciprocating

Diaphragm

Plunger

Piston

Dynamic

Special effect

Get gas lift

Centrifugal

Axial flow

Radial flow


Centrifugal pumps


spmup lagufirtneC

spmuP spmup lagufirtneC

sgnir

.

dradnats 016 IPA

)%02107( elbawolla )%011-08( derreferp

spmuP

rellepmi

rellepmi

. rellepmi senav


Centrifugal pumps

impeller eye

.


Centrifugal pumps


Centrifugal pumps

Impellers vanes shroud :

Enclosed impeller -Shroud-

.

Open impeller .

Semi-open or semi-closed impeller .


spmup lagufirtneC

srellepmi .pmup

rellepmi wolf laidar 1.

.

rellepmi sicnarF 2.

.

rellepmi wolf laixa 3.

.

rellepmi wolf dexim 4.

.


:

deeps cificeps : sN

) ( : N

wolf) ( : Q

daeh ( ) : H


.1Single suction impeller

.2double suction impeller


Centrifugal pumps

impeller() ..

.1Single suction impeller

.

.2double suction impeller ( )

:


spmup lagufirtneC

rellepmi ) (gnisaC...

esac etuloV1.

. esac resuffiD2.

esac etuloV

rellepmi

.

o063


volute casing


spmup lagufirtneC

rellepmI esac resuffiD

gniraeb tfahs

.tfahs

sresuffid

.pmup )enibrut( resuffiD resuffiD

noitcerid

.

gnisac etulov gnisac

.


Centrifugal pumps

Bearing

pump

thrust radial.

.

Radial load Axial load Combined load

Journal Bearings which constrain radial movement of the shaft .

Thrust Bearings which constrain axial movement of the shaft


spmup lagufirtneC

: gniraeb

gniraeb noitcarf itna 1.

gniraeb mlif lio 2.

rellepmi tfahs rotom

:

. 1.

. 2.

. 3.


Centrifugal pumps


Centrifugal pumps

Outer race

Cage

Inner race

Ball

Roller

Roller BearingBall Bearing

Radial load


Centrifugal pumps

Thrust Roller BearingThrust Ball Bearing

Axial load


Centrifugal pumps


spmup lagufirtneC

laes cimanyDgnisac & tfahs.

gnikcap dnalG

.laes lacinahceM pmuP

xob gniffutS gnikcap tfahs

dnalg gnikcap

dnalg

./) 06-04( gnikcap dnalg

gnir nretnal

. diuqil gnilaes


spmup lagufirtneC

.


Mechanical seal shaft sleeve

.

Centrifugal pumps


spmup lagufirtneC

tfahs pmuP

.

tfahS ) (eveels tfahS tfahS diuqil gnilaeS

.

ecnaraelC ) ( sgnir raeW gnisaC rellepmI

ecnaraelC

tfos

. gnir raew htnirybal


Centrifugal pumps


Centrifugal pumps

Coupling Motor shaft Pump shaft :

.1Rigid coupling

misalignment

.2Flexible coupling misalignment

. Flexible coupling .

Elastomeric couplings Rubber Elastomeric.

Non-elastomeric couplings Metallic material.

Lubricated Gear coupling. non-lubricated

Diaphragm coupling.


Centrifugal pumps


Thank You For Your Time

Connecting chemical engineers

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pump lec. part 1

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