Chiller Plant(Hermatic certifugal chiller)

8/18/2019 Chiller Plant(Hermatic certifugal chiller)

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A

Summer Training Report on

HERMETIC CENTRIFUGAL CHILLER

For Practical Training taken at

SUDHIR POWER PROJECTS LIMITED

For the partial fulfillment of the award of degree of

Bachelor of Technology in Mechanical Engineering

SESSION 2014-15

Submitt! t"# Submitt! b$#

Mr. ANRA! MAN"#$A Mr. %&"EEP

A''tt. Prof. Roll no.( )*ME+,

D%&'tm(t ") M*+&(i*&, E(i('i(

RPS C",, ") E(i('i(. / T*+(","$ &,&(& M"+i(!'&'+

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ACNOWLEDGEMENT

The 'ucce''ful completion of any training depend' upon the co-operation co-

ordination and com/ined effort' of 'e0eral re'ource' of knowledge in'piration and energy.

# am thankful to all the employee' of SUDHIR POWER PROJECTS LIMITED

who had helped me in gathering 0ariou' information that helped me in completion of my

#ndu'trial Training Report.

# am 0ery grateful to M'. S+, um&' +ut&(i HEAD OF DEPT. 3H.R. for

allowing me to /e a part of 'uch an e'teem organi1ation of him. # am grateful for patience and

intere't e0ery/ody in the organi1ation ha0e 'hown for me.

The author al'o wi'he' 0ery thank to Mr. 2inod Singh 3A!M4 Mr. "e0 3"eputy.

Manager4 A'hi'h 3Sec. Engineer4 and e5perienced engineer' for pro0iding con'tant

encouragement 'upport and 0alua/le 'ugge'tion during the Training.

ULDEEP

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PREFACE

Before 6oining my training # had no idea what it i' going to /e and what e5actly i' it'

need in the academic curriculum. By the time # fini'hed my training # under'tood how

important it wa' for me to /e a complete engineer.

An engineering 'tudent would ha0e a/'olutely no idea of the functioning of an indu'try. 7e

would pro/a/ly /e unaware a/out the 0ariou' department' and their functioning. 7e would

/e completely ignorant of the working and en0ironment. 7e generally would not know a/out

the department in an enterpri'e. Thu' indu'trial training prepare' you to walk out of your

college and 6oin the indu'try. $ou need to ha0e /a'ic profe''ional knowledge along with thetheoretical /ackground and 'pending a month among hardcore profe''ional can teach you a

lot.

The following report doe' not di'cu'' the detail' of the'e e5perience' and di'cu'' mo'tly a/out the

training and how it wa' completed. #t i' much more fulfilling e5perience than any report will /e a/le

to e5pre''. # feel pride to get an opportunity to ha0e my practical training at

SUDHIR POWER PROJECTS LIMITED M&(&'

# thank e0eryone who ha' contri/uted to make thi' e5perience truly complete and 'timulating.

ULDEEP

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COMPAN6 PROFILE

I(t'"!u*ti"( t" SUDHIR POWER PROJECTS LIMITED#-

Su!+i' i & (&m $("($m"u 7it+ P"7'. It t&(! t&,, i( t+ I(!i&( P"7' G('&ti"(

S*t"' %'"8i!i( *"m%,t tu'(9$ E,*t'i*&, ",uti"( )'"m

GENERATION DISTRIUTION t" ELECTRIFICATION.

An #ndu'try leader in the field of 'etting up "ie'el /a'e 8apti0e Power Plant' upto *9M:

ha0ing it' corporate office in !urgaon ; re0enue of o0er #NR ) #MT Mane'ar !urgaon 7aryana.

. Plot No. 'ector-> #MT Mane'ar !urgaon 7aryana.

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PRODUCT#

"#ESE& !ENERAT@R 3"!4 PANE&

C,i(t#

"&F Mahindra Am/ience mall 7otel Ta6 7otel Radi''on

7o'pital'( A##MS RM& SAF"AR!AN!

St'&ti* P&'t('#

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CONTENTS

S'. N". T"%i* P& N".

1. #ntroduction =

2. "efinition

;. 8omponent' of 7ermetic 8entrifugal 8hiller ,

4. Type' of 8hiller )9

5. %ey 8omponent' of 8ompre''ion 8hiller' )<

. Ad0antage' *

?. 8onclu'ion *,

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1. INTRODUCTION#

8hiller' are a key component of air conditioning 'y'tem' for large /uilding'. They produce

cold water to remo0e heat from the air in the /uilding. They al'o pro0ide cooling for

proce'' load' 'uch a' file-'er0er room' and large medical imaging euipment. A' with

other type' of air conditioning 'y'tem' mo't chiller' e5tract heat from water /y

mechanically compre''ing a refrigerant.

8hiller' are comple5 machine' that are e5pen'i0e to purcha'e and operate. A pre0enti0e

and predicti0e maintenance program i' the /e't protection for thi' 0alua/le a''et.

8hiller' commonly u'e more energy than any other piece of euipment in large /uilding'.

Maintaining them well and operating them 'martly can yield 'ignificant energy 'a0ing'.

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2. D)i(iti"(#

A 7&t' *+i,,' i' a mechanical de0ice u'ed to facilitate e5change from water to

a refrigerant in a clo'ed loop 'y'tem. The refrigerant i' then pumped to a location where the

wa'te heat i' tran'ferred to the atmo'phere.

#n hydroponic' pump' light' and am/ient heat can warm the re'er0oir water temperature'

leading to plant root and health pro/lem'. For ideal plant health a chiller can /e u'ed to

lower the water temperature /elow am/ient le0elC ?DF 3*9D84 i' a good temperature for mo't

plant'. Thi' re'ult' in healthy root production and efficient a/'orption of nutrient'.

#n air conditioning chilled water i' often u'ed to cool a /uilding' air and euipmente'pecially in 'ituation' where many indi0idual room' mu't /e controlled 'eparately 'uch a'

a hotel. A chiller lower' water temperature to /etween +9D and +


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F'i*ti"(, C(t'i)u&,#

Thi' highly energy-efficient de'ign employ' magnetic /earing technology. The compre''or

reuire' no lu/ricant and ha' a 0aria/le-'peed "8 motor with direct-dri0e for the centrifugal

compre''or. 8apacitie' range from ?9 to >99 ton'.

Ab"'%ti"( C+i,,'#

A/'orption chiller' u'e a heat 'ource 'uch a' natural ga' or di'trict 'team to create a

refrigeration cycle that doe' not u'e mechanical compre''ion. Becau'e there are few

a/'orption machine' in the Northwe't .S. thi' document co0er' only mechanical-

compre''ion chiller'. $ou can learn more a/out a/'orption chiller' at the Energy Solution'

8enter.

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Du&, C"m%'"' C+i,,'

A' inlet guide 0ane' are u'ed to modulate the capacity of a compre''or the compre''or

efficiency drop' off dramatically. :here there i' tower water relief 3decrea'ing tower water

temperature4 0aria/le 'peed dri0e' can /e u'ed to impro0e part load efficiency. By utili1ingtwo compre''or' on a common refrigeration circuit it i' po''i/le to greatly impro0e the part

load efficiency of a centrifugal chiller. Thi' i' a ma6or /enefit of a dual compre''or chiller.

"ual compre''or chiller' ha0e two compre''or' operating in parallel /etween a common

e0aporator and conden'er. For e5ample a )999 ton dual will ha0e two nominal


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5. $ C"m%"((t ") M*+&(i*&, C"m%'i"( C+i,,'

E8&%"'&t"'

8hiller' produce chilled water in the e0aporator where cold refrigerant flow' o0er the

e0aporator tu/e /undle. The refrigerant e0aporate' 3change' into 0apor4 a' the heat i'

tran'ferred from the water to the refrigerant. The chilled water i' then pumped 0ia the

chilled-water di'tri/ution 'y'tem to the /uildingG' air-handling unit'.

The chilled water pa''e' through coil' in the air-handler to remo0e heat from the air u'ed

to condition 'pace' throughout the /uilding. The warm water 3warmed /y the heat

tran'ferred from the /uilding 0entilation air4 return' to the e0aporator and the cycle 'tart'

o0er.

C"m%'"'

2apori1ed refrigerant lea0e' the e0aporator and tra0el' to the compre''or where it i'

mechanically compre''ed and changed into a high-pre''ure high-temperature 0apor. pon

lea0ing the compre''or the refrigerant enter' the conden'er 'ide of the chiller.

C"(!('

#n'ide the water-cooled conden'er hot refrigerant flow' around the tu/e' containing the

conden'er-loop water. The heat tran'fer' to the water cau'ing the refrigerant to conden'e

into liuid form. The conden'er water i' pumped from the conden'er /undle to the cooling

tower where heat i' tran'ferred from the water to the atmo'phere. The liuid refrigerant then

tra0el' to the e5pan'ion 0al0e.

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S&)t$ Iu

8hiller' are typically located in a mechanical euipment room'. Each type of refrigerant

u'ed in a chiller compre''or ha' 'pecific 'afety reuirement' for leak detection and

emergency 0entilation. 8on'ult your local mechanical code or the #nternational Mechanical

8ode for detail'.

The EPA ha' enacted regulation' regarding the u'e and handling of refrigerant' to comply

with the 8lean Air Act of ),,9. All per'onnel working with refrigerant' co0ered /y thi' act

mu't /e appropriately licen'ed.

t P'&*ti* )"' E))i*i(t O%'&ti"(

The following /e't practice' can impro0e chiller performance and reduce operating co't'(

O%'&t mu,ti%, *+i,,' )"' %&9 ))i*i(*$#

Plant' with two or more chiller' can 'a0e energy /y matching the /uilding load' to the mo't

efficient com/ination of one or more chiller'. #n general the mo't efficient chiller 'hould /e

fir't one u'ed.

R&i *+i,,!-7&t' tm%'&tu'#

An increa'e in the temperature of the chilled water 'upplied to the /uildingG' air handler'

will impro0e it' efficiency. E'ta/li'h a chilled-water re'et 'chedule. A re'et 'chedule can

typically ad6u't the chilled-water temperature a' the out'ide-air temperature change'. @n a

centrifugal chiller increa'ing the temperature of chilled water 'upply /y *H>DF will reduce

chiller energy u'e >H


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Pu' &i' )'"m ')'i'&(t#

Air trapped in the refrigerant loop increa'e' pre''ure at the compre''or di'charge. Thi'

increa'e' the work reuired from the compre''or. Newer chiller' ha0e automatic air purger'

that ha0e run-time meter'. "aily or weekly tracking of run time will 'how if a leak ha'

de0eloped that permit' air to enter the 'y'tem.

O%timi )' *"",i(#

#f your 'y'tem ha' a chiller /ypa'' and heat e5changer known a' a water-'ide economi1er it

'hould /e u'ed to 'er0e proce'' load' during the winter 'ea'on. The water-'ide economi1er

produce' chilled water without running the chiller. 8onden'er water circulate' through the

cooling tower to re6ect heat and then goe' to a heat e5changer 3/ypa''ing the chiller4 where

the water i' cooled 'ufficiently to meet the cooling load'.

B'i)$ P')"'m&(* ") +"t-& b$%& &(! u(,"&!'#

The'e are mo't commonly found on reciprocating compre''or' to control

capacity. Make 'ure they operate properly.

M&i(t&i( ')'i'&(t ,8,#

To maintain a chiller' efficiency check the refrigerant 'ight-gla'' and the 'uperheat and 'u/

cooling temperature reading' and compare them to the manufacturerG' reuirement'. Both

low-le0el and high-le0el refrigerant condition' can /e detected thi' way. Either condition

reduce' a chillerG' capacity and efficiency.

M&i(t&i( & !&i,$ ,"#

8hiller @;M /e't practice' /egin with maintaining a daily log of temperature' fluid le0el'

pre''ure' flow rate' and motor amperage. Taken together the'e reading' 'er0e a' a

0alua/le /a'eline reference for operating the 'y'tem and trou/le'hooting pro/lem'. Many

newer chiller' automatically 'a0e log' of the'e mea'urement' in their on-/oard control

'y'tem which may /e a/le to communicate directly with the ""8 'y'tem. Below i' an

e5ample of a daily log that can /e adapted for u'e with your chiller.

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24 50 0.;;> 0.;42

*< 25 0.455 0.45?

*? 100 0. 0.


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COOLING TOWER SPECIFICATIONS AND TECHNICAL DETAILS

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25

SL.

NO

PARAMETER NAME ACTUAL

COOLING TOWER

9) MAE ADBANCE

9* T6PE INDUCED DRAFT COUNTER

9> MODEL TM 11=3TWIN CELL

9+ SL. NO 2012-05-;4F<

9< DISTRIUTION HEADER AND RANCH ARMS

9? T6 4 NO

9= NO OF CELLS 2

PERFORMANCE

9 WATER FLOW 1050 USGPM

9, WATER FLOWCELL 525 USGPM

)9 INLETOUTLET TEMP 100?0 F

)) DESIGN WT >;F

)* TOTAL HEAT REJECTION CAPACIT6 1;2;000 CALHR.

FAN DATA

)> MAE ADBANCE

)+ T6PE AIAL FLOW ADJUSTALE )< DIMETER 1000 CFM) T6PE OF DRIBE DIRECT DRIBE

MOTOR

), MAE HINDUSTAN MOTOR MFG CO

*9 MODEL FRAME SIE

*) T6PE TE ETENDED SHAFT WP

** SL. NO 159 STARTING TORUE 3RATED

>) SERBICE FACTOR

>* WINDING MATERIAL COPPER

>> MOTOR EFFICIENC6 ?0.+ CLASS OF INSULATION F

>< PROTECTION IP55


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2. CHILLED WATER PUMP

The pump that mo0e' chilled water /ack from the chilled loop into the re't of the

72A8 'y'tem i' called the chilled water pump.

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;. CONDENSER WATER PUMP

The pump that mo0e' conden'ate /ack from the conden'ate loop into the re't of the

72A8 'y'tem i' called the conden'er water pump.

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=. APPLICATIONS#

#n chemical factorie'

#n ice 'torage plant'

#n data center'

#n /uilding automation 'olution

#n ho'pital'

#n /ig companie' factorie'

>. ADBANTAGES#

Reduce !reen 7ou'e ga' emi''ion

8ut Energy co't

Ea'y to monitoring

Ea'y to controlling

Ea'y to in'tall

7igh cooling rate

&ow maintenance

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