pumping cost reduction2

7/25/2019 Pumping Cost Reduction2

1/21

MARMONYX

MARBLE

INDUSTRY

Pumping System Cost

Reduction


2/21

!oup Mem"e!s#S$%$!o& '%"i"

R%i U! Re$m%nN%m!%$ ($%)id

($%n

Dept OfMechanical

Engineering

NUST-PNEC


3/21

O*e!*ie+

T$e pumping cost is $ig$ %nd t$e!e is potenti%) to

!educe e)ect!icity "i))s o, pumping system

-e +i)) )oo. %t cost s%*ings potenti%) o, ,o))o+ing#

So)ution /# Imp!o*e t$e e,,iciency o, you! e0istingsystem

So)ution 1# Design % ne+ system


4/21

Disc)%ime!

D%t% t%.en $%s not "een me%su!ed "ut t%.en ,!om

sou!ces

Po+e! !%ting %nd cu!!ent +%tt%ge needs !econ,i!m%tion

Pump %nd moto! e,,iciency is un.no+n $ence %ssumed

,!om )ite!%tu!e


5/21

C)ic. $e!e to *ie+ t$e sp!e%ds$eet

o! dou")e c)ic. on t$e sp!e%ds$eet

%"o*e

D%t%
http://var/www/apps/conversion/tmp/scratch_7/Pump-Database%20(2).xlsxhttp://var/www/apps/conversion/tmp/scratch_7/Pump-Database%20(2).xlsx


6/21

C)ic. $e!e to *ie+ t$e m%c$ine )ist

sp!e%ds$eet

D%t%
http://var/www/apps/conversion/tmp/scratch_7/Machine-List%20(1).xlsxhttp://var/www/apps/conversion/tmp/scratch_7/Machine-List%20(1).xlsxhttp://var/www/apps/conversion/tmp/scratch_7/Machine-List%20(1).xlsxhttp://var/www/apps/conversion/tmp/scratch_7/Machine-List%20(1).xlsx


7/21

Li,e cyc)e cost o, % pump


8/21

Cu!!ent Situ%tion

Minput21341 .-5 Me,,2678

Poutput2/94/ .-5 S$%,te,,2:68

Ope!%ting $!s2/:1 $!s;mont$5 R%te2/6!s;.-$ Using t$is d%t%5

Pinput21143.-

Pe,,23/8

Cost2/


9/21

So)utions

/4 M%inten%nce "y c$%nging "e%!ings5 )u"!ic%tion o,

pump >Pe,,iciency23785S%*ings2/1478?

14 Impe))e! Si&e !eduction>$p!essu!e

d!opped5 S%*ings2738?

=4 'ig$ e,,iciency moto!s>Me,,iciency26685S%*ings214=8?


10/21

/4M%inten%nce

Pe,,iciency2378>depends on to!@ue !eduction?

Poutput2/34,)o+!%te !eduction !e@ui!ed?

Poutput2/94/.-

Moutput21/4:.- ,!om 1=4/.-

Minput217439.- ,!om 1341.-

S%*ings278


11/21

14Impe))e! Si&e !eduction

Poutput/2/149.- ,!om /94.- >impe))e! di% !educed ,!om

impe))e! di%217


12/21

14Impe))e! Si&e !eduction

Ad*%nt%ges

'uge mont$)y s%*ings >%!ound %!ound 1


13/21

=4'ig$ E,,iciency Moto!s M

e,,iciencyinc!e%sed = 8>668 ,!om 678?

Minputdec!e%sed>1949.- ,!om 134=.-?

S%*ings214=8


14/21

Ot$e! ,%cto!s to inc!e%se

moto! e,,iciency# Replace motor with one having an inherently highpower factor.

Ensure motors in use are not oversized or under-loaded: should be ideally operated at 75% of ratedload.

otor speed : even though a !"#$$ R pump maybe more e&cient 'and have a lower initial cost(than an )"*$$ R pump" the 1,800 RPM motorwould be more ecient.+rade o, is necessary

for best results


15/21

otor lasses are tandard

E&ciency" Energy-E&ciency"remium-E&ciency: /ighe&ciency motors aresuggested less slip which

yields slightly higher speed"and therefore" slightly higherpump head and 0ow

1se stabilizers with motorsbecause higher the voltage"the lower the current" and"


16/21

2nstall power factor

correction capacitors'otor runningcapacitors( in parallel

with motor windings.3airly cheap 'Rs. 5$4-(

Easily available in aistan:http:44www.alibaba.com4countrysearch464motor-run-

capacitor.html


17/21

Suggested !ep)%cement

+he e&ciency of eisting motor is very low"

whereas the new e&ciency is determined frommanufacturer8s table for motor driven system'paul-waide with international energy agency$))(. ;hen the eisting motor is replacedwith energy e&cient ones" it not only saveselectricity units" rupees saving but also

increased the e&ciency of machines" result ispresented in table.

Grundfos Blueu! are world renownmanufacturers of high e&ciency pump motors.

2t claims a #$% reduction in electricityconsumption. 2t has released what it claims tobe one of the most intelligent and energy-e&cient pump motors in the world.

http:44www.grundfos.com4about-us4news-and-press4news4grundfos-unveils-ultra-e&cient-


18/21

Tec$nic%) specs


19/21

Acco!ding to ,o))o+ing !epo!t#

$ttp#;;

+++4%c%demi%4edu;7


20/21

Pumps

2nstead of conventionalcentrifugal pump" usepressurizing centrifugalpump: case studiesprove cost reduction by75% < +he atomizinge,ect will also be moreuseful for marbleindustry applicationsand prevent water loss.

1se higher speed pumps

=ow friction e&ciencyenhancement coating'!%pump e&ciency increase"))%savings(

1se self-priming pumps 'thatis" air or gases epelled fromthe suction and impeller eyearea" and replaced with li>uid(

O $ ) i


21/21

Ot$e! so)utions

In o!de! to o"t%in t$e )o+est pump system )i,e cyc)e cost

one $%s to se)ect t$e "est pump control method,o! %n

%pp)ic%tion

Use common cent!i,ug%) pump cont!o) met$ods e4g4 #

StopSt%!t;F)o%t Le*e) cont!o) Ope!%tion Cont!o) G%)*e Ope!%tion

ByP%ss G%)*e Ope!%tion

G%!i%")e Speed Ope!%tion

'y"!id Cont!o) >GFD ByP%ss?

P%!%))e) Ope!%tion o, Mu)tip)e Pumps

Mu)tip)e Speed Moto!s >15 = o! Speed?

Det%i)s#

$ttp#;;+++4+%te!+o!)d4com;%!tic)es;p!int;*o)ume

13;issue:;dep%!tments;pumptipstec$ni@ues;se)ecting

t$e"estmoste,,icientcent!i,ug%)pumpcont!o)4$tm)

pumping cost reduction2

Documents