'Yule' Centrifugal fan

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‘Yule’ Centrifugal fan MODEL CAPACITY : FLOW RATE FROM 2000 M 3 /Hr TO 30,00,000 M 3 /Hr PRESSURE UPTO 4900 mm WG TEMPERATURE UPTO 450 DEG.C (CONTINUOUS) SPEED UPTO 3000 RPM POWER UPTO 6 MW FOR SINGLE FAN SPECIALITY: HIGH EFFICIENCY GUARANTEED PERFORMANCE SOUND MECHANICAL RUNNING, LOW NOISE QUICK DELIVERY ONE YEAR ON-SITE WARRANTY (excl. wear liners) VERY RELIABLE SERVICE BACK-UP BY REAL EXPERTS IN THE FIELD

Transcript of 'Yule' Centrifugal fan

Page 1: 'Yule' Centrifugal fan

‘Yule’ Centrifugal fan MODEL CAPACITY :

• FLOW RATE FROM 2000 M3/Hr TO 30,00,000 M3/Hr • PRESSURE UPTO 4900 mm WG • TEMPERATURE UPTO 450 DEG.C (CONTINUOUS) • SPEED UPTO 3000 RPM • POWER UPTO 6 MW FOR SINGLE FAN

SPECIALITY:

• HIGH EFFICIENCY • GUARANTEED PERFORMANCE • SOUND MECHANICAL RUNNING, LOW NOISE • QUICK DELIVERY • ONE YEAR ON-SITE WARRANTY (excl. wear liners) • VERY RELIABLE SERVICE BACK-UP BY REAL EXPERTS IN THE FIELD

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FAN MODEL SELECTION :

• BEST EFFICIENCY MODEL SELECTED BY A SPECIAL SOFTWARE PACKAGE • ESTIMATED PERFORMANCE CURVE GENERATED. • FAN DESIGN (IMPELLER, SHAFT –> MATL, PLATE THK, WT., WK2 etc.) DONE BY

COMPUTER AIDED DESIGN (3D) • BEARING, COUPLING SELECTION, DAMPER TORQUE etc. ALSO DONE BY Auto-

CAD. • SPEED-TORQUE CURVE GENERATED- FOR MOTOR SELECTION BY MOTOR

MANUFACTURER. Efficiency of different Models of Fan

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Estimated Performance Curve of Fans

5 0

x

7 M

M W

G S

TA

TIC

PR

.

D a m p e r c u rve s a re @ 1 5 D e g .c lo s in g

6

x 2 2 8 0 0 M /H r. V O L U M E F L O W R A T E

543210

F D F A N

4 0

3 0

2 0

1 0

1 41 31 0 1 198 1 27

D E S N . S H .P O W E R7 0

2 0

7 0

8 0

6 0

6 0

5 0

4 0

3 0

D E S IG N D U T Y

A C T U A L D U T Y

A C T U A L S H . P O W E R

1 4 8 0 R P M , D E N S IT Y = 1 .0 3 5 2 K g /m 3

E S T IM A T E D P E R F O R M A N C E C U R V E

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Estimated Speed-Torque Curve of Fans (required for Motor selection)

1 1 0 .5B R E A K -A W A Y T O R Q U E

5 . T ra n s m is s io n b y : F le x i.C p lg .

4 . K e e p In le t D a m p e r F u ll S h u t

2 . T o rq u e a t S h .P o w e r 1 8 3 9 K g f-m3 . D e s ig n S h a ft P o w e r 1 6 5 0 K W

1 . R o to r W t= 1 1 5 0 0 K g f; G D 2 = 1 2 0 0 0 K g -m 2

With In

let Dam

per Full

Clo

sed

at 40 d

eg. C

1 0 2 0 3 0 4 0

K G F -M

5 0 6 0 7 0 8 0

1 0

9 0 1 0 0

2 0

4 0

3 0

5 0

w h ile s ta rt in g

7 0

6 0

8 0

1 0 0

9 0

E S T IM A T E D F A N S P E E D - T O R Q U E C U R V E

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RANGE OF APPLICATION:

POWER PLANTS:

• ID FAN - UPTO 21 LAC M3/Hr. -> NTPC- RIHAND TPS: 3186 MM DIA IMPELLER; 2060280 M3/Hr.; 352 MM WG ST. PR; 2.82 MW; 720 RPM; IMP+SHAFT WT = 23.4 T -> NTPC-TALCHER TPS: 2560 MM DIA IMPELLER; 684000 M3/Hr.; 350 MM WG ST. PR.; 0.8 MW; 740 RPM; IMP+SHAFT WT = 9.4 T

• FD FAN -> UPTO 6 LAC M3/Hr -> WBPDCL- KOLAGHAT TPS : 2045 MM DIA FAN ; 515520 M3/HR ; 425 MM WG ST.PR. ; 0.95 MW ; 980 RPM

• PA FAN : UPTO 1 LAC M3/Hr; 1500 mm WG ST.PR; 1500 RPM

• SA FAN : UPTO 0.3 LAC M3/Hr; 1800 MM WG ; 3000 RPM

STEEL PLANTS :

• SINTER EXHAUST FAN -> UPTO 12 LAC M3/Hr -> VIZAG & ROURKELA STEEL PLANT: 3660 & 3695 DIA FAN ; 9-11 Lac M3/HR ; 1500-1600 MM WG ST.PR. ; 4.2 – 5.2 MW ; 990 RPM -> TISCO : 4010 MM DIA FAN ; 9.3 Lac M3/HR ; 1662 MM WG ST.PR. ; 4.97 MW ; 980 RPM

• GB, CA & ID FANS: UPTO 3 LAC M3/Hr; 750 mm WG ST.PR; 2980 RPM

CEMENT PLANT: for all types of application viz. PA, Raw Mill, Coal Mill, Cement Mill, Cooler, Separator, Bag House, ESP/Waste Gas/P.H. etc. Capacity Range: 2,000 – 8,00,000 m3/hr ; St. Pr: 100-1800 mm Wg. Temp. up to 420 deg.C ; Speed: 600-3000 RPM ; Effy. up to 87%

• Raw Mill Fan: -> GRASIM PLANT: 2910 DIA Double Inlet Fan ; 6.3 Lac M3/Hr; 970 mm WG ST.PR. ; 105 deg.C; 2.1 MW ; 990 RPM

• Kiln ESP Fan: -> PRIYADARSHINI CEMENT: 2265 DIA Double Inlet Fan; 4.98 Lac M3/Hr; 175 mm WG ST.PR. ; 368 KW; 740 RPM

• Cement Mill Fan: -> VIKRAM CEMENT : 1980 DIA Single Inlet Fan ; 1.4 Lac M3/HR ; 1020 mm WG ST.PR. ; 475 KW ; 985 RPM

BEARINGS AND BEARING HOUSINGS OF

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‘YULE’ MAKE

• WHITE METAL LINED SLEEVE BEARING (2” TO 10” SIZE ) – RING LUBRICATED , WATER COOLED

• PRESSURE FED WHITE METAL LINED SLEEVE BEARING (2” TO 12” SIZE)

• HOUSINGS FOR DOUBLE ROW SPHERICAL ROLLER BEARINGS (DRSR) -> 60 MM

DIA UPTO 200 MM DIA

YULE make Ring Lubricated DRSR Bearing Housing

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YULE make Uniblock Housings

QUALITY PLAN FOR YULE FANS :

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• PLATES : CHEMICAL , PHYSICAL TESTS AND ULTRASONOGRAPHY • SHAFT : CHEMICAL , PHYSICAL TESTS AND ULTRASONOGRAPHY . • HUB : CHEMICAL & PHYSICAL TESTS • WHITE METAL BEARINGS : ULTRASONOGRAPHY AND PRESSURE TESTING

OF BRG.HOUSING • WELDING JOINTS : FOR IMPELLER -> FILLET JOINTS DP/ MPI TESTED ;

BUTT JOINTS -> MIN. 30% RADIOGRAPHY CARRIED OUT • STATIC COMPONENTS : QUALITY OF WELD & MANUFACTURING

STRICTLY CONTROLLED • STRESS RELIEVING IN OWN SR FURNACE • DYNAMIC BALANCING : ALL IMPELLERS AT SHOP AS PER ISO:1940 GRADES

6.3 / 2.5 • FAN ASSEMBLY : CARRIED OUT AT SHOP TO CHECK MATCHING OF

CRITICAL COMPONENTS • PERFORMANCE TEST & MECHANICAL RUN TEST : CARRIED OUT , AS

PER CONTRACT, AS PER BS: 848 PART .

WEAR PROTECTION IN FANS : • BLADE PROVIDED WITH LINERS (50% TO 100% WIDE) : (a) WITH HARD-SURFACING (650 BHN) or (b) HARDENED PLATES (HARDOX- 400/500) USED AS LINER • CENTRE SHEET LINERS (Adjacent to blade area) PROVIDED • OPEN BLADED IMPELLERS USED FOR HEAVY DUST LOAD • Volute Casing also provided liner , if required • REMOVABLE LINERS FOR EASY REPLACEMENT

VIBRATION AND NOISE :

• VIBRATION RANGE OF MACHINE CLASS-III FANS ARE AS PER ISO: 2372 / VDI 2056 -> 1.8 MM/S TO 11 MM/S ; NORMAL VALUE 2 TO 4 MM/S

• NOISE LIMIT : 85 dB @ 1M FROM FAN without or with SILENCER /

ACCOUSTIC LAGGING/ ACCOUSTIC ENCLOSURES – as may be the case PERFORMANCE TEST :

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Testing Facility : • Own Test Bay • Test Duct upto 2m dia • Calibrated testing Instruments • Testing as per BS:848:Part-I • Test Report & Curve generated by Computer • Expert Testing Team

Fan Operation : Myth and Reality –

= - 2 .0 %ris tic E rro r

3 .6

'Q v ' IN L E T V O L . F L O W R A T E (m 3 /s ) 3 .0 3 .43 .2 3 .8

- 0 .0 7 m 3 /s

3 .4 m 3 /S , 1 1 0 0 P a

@ 1 .2 K g /m 3 d e n s ity5 K W S h .P o w e r

& S H A F T P O W E R & V A R IA T IO N S T H E R E O FV O L U M E F L O W R A T E , S T A T IC E F F Y .T O A S C E R T A IN A C T U A L (O B T A IN A B L E )

Fa

n T

ota

l o

r S

tati

c P

r. in

Pa

9 0 0

1 0 0 0

1 1 0 0

P o in tA c tu a l D u ty

C h a ra c te -P 1 =

C x

Qv ^

2

C u rveT e s t

5

Sh

aft

Po

we

r

2in K

W

1 2 0 0

43

6 E s tim a te d

S h .P o w e rA c tu a l

S h .P o w e r

E s tim a te dC u rve

T E S T P O IN T S

S P E C IF IE D D U T Y

-0 .3 K W

= - 6 %

P E R F O R M A N C E T E S T O F F A N

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• Dynamic Balancing to be done at Rated Speed of Fan -> Not essential. Balancing Machines can do the job very well at their rated speeds of 200/ 400 RPM as they are sensitive enough and calibrated for these speeds

• Shaft to be Dynamically Balanced : Not required -> As Shaft unbalance is

within 0.1% of Impeller’s Permissible Residual unbalance • Always Use Silencer to reduce Noise : System Resistance will increase and

power may go up by 5 to 15% . CONTACT INFORMATION :

• For Fan, Spares enquiry/ Offers:

Mr. A.K. Dutta - +919903032720 , Mr. Sandipan Das: +919831501221 / +919836744337.

Mr. Swarup Ghosh: +918100975193.

• For ESP/ Bag Filter /spares enquiry/ Offers & WPC Execution:

Mr. Sourav Sengupta: + 919830853319. / Mr. T. K. Chattopadhyay: +919874420015.

• For Fan PO/ Contracts related matters:

Mr. Vivek Dolai: +919836744825. / Mr. EP Radhakrishnan: 0332242 5979

Mr. Amit Ganguly: +919874573880 , Mr. Sarasij Ghosh - +919433660240

• For Installation & Service related issues:

Mr. A. K. Chowdhury: +919830286070. / Mr. S. N. Mullick: +919836744823.

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‘Yule’ Air Pollution Control Electro Static Precipitator ( ESP )

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