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DOCUMENT SUBMISSION STATUS: AP

C 21.12.10 Revised as per comment sheet no. CS-M7-M-00148 PS GAK GAK

B 14.08.10 Revised as per latest Layout PS GAK GAK

A 31.03.10 Submitted for Approval PS GAK GAK

REV DATE DESCRIPTION DRWN CHKD APPD

OWNER OWNERS CONSULTANT

EPC CONTRACTOR EPC CONTRACTORS CONSULTANT

FI HTNERFichtner GMBH & Co. Kg

PROJECT TITLE

VUNG ANG 1 THERMAL POWER PLANT 2 x 600MW

M-LOT7 ASH HANDLING PLANT

CONTRACT No. 100210/LILAMA-TECPRO Dated 10.02.2010

DRAWING TITLE : WET BOTTOM ASH HOPPER JET PUMP SIZING CALCULATION

SUB-CONTRACTOR :

TE PRO SYSTEMS LIMITED

FUNCTION NAME SIGN DATE

DRWN Poonam Singh 21.12.10

CHKD G.Ashok Kumar 21.12.10

APPD G.Ashok Kumar 21.12.10

DOCUMENT No. VA1-TATL-00100-M-M7-CAL-0001

SCALE REV C

VIETNAM OIL AND GAS GROUP (PVN) POYRY ENERGY LTD

VIETNAM MACHINERY INSTALLATIONCORPORATION (LILAMA)

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Sl No Parameters Terms Units Formula Value Remarks

1 Bottom Ash TBA T/hr 20.00As per Revised input Design

Parameters, Attachment no.2

2 Deletd

3 Deleted

4 Total Coarse ash generation TCA T/hr 20.00

5 Ash Generation for 8 Hrs T/shift [8 x TCA] 160.00

6 Density of Bottom Ash T/Cum 1.20As per Revised input Design

Parameters, Attachment no.2

7 Wet Bottom Ash Hopper Capacity required QBAR m3 133.33

8 Wet Bottom Ash Hopper Capacity Provided QBAp m

3

200.00

Refer calculation no.

VA1-TATL-00100-M-M7-CAL-0002

9 Evacuation Time tc Hrs 1.10As per Revised input Design

Parameters, Attachment no.2

10 Evacuation Rate Qc m3/hr [QBAP/ tc] 181.82

11 No of Jet Pumps working n Nos 2.00

3

CALCULATION SHEET

M-Lot7 Ash Handling Plant

100210/LILAMA-TECPRO dated 10.02.2010

Vietnam Oil and Gas Group (PVN)

Poyry Energy Ltd

Vietnam Machinery Installation Corporation (LILAMA)EPC Contractor

Contract No.

Owner

Owner's Consultant

Wet Bottom Ash Hopper Jet Pump Sizing Calculations

Poonam Singh

G. Ashok Kumar

EPC Contractor Consu ltant

Sub Contractor Tecpro Systems Limited

DOC. NO. : VA1-TATL-00100-M-M7-CAL-0001

Project Title

Pacakge Title

REVISION : C DATE : 21.12.10

Vung Ang 1 Thermal Power Plant 2 x 600MW

Fichtner GMBH & Co. Kg

Subject

Calculated By

Reviewed and Approved By

B

C

C

JP m r c .

13 Additional Jetting water for flushing Qj m3/hr 15.00

14 Clinker Grinder Sealing water QCG m3/hr 4.00

15 Tota l Je t Pump in le t QTJP m3/hr [QJP+Qj+QCG] 109.91

16 Jet Pump discharge pipe NB 250.00

17 Pipe OD OD mm 273.10

18 Pipe thickness t mm 36.556mm pipe thk + 20mm Basalt Lining thk

+ 10.55 mm mortar Thk

19 Pipe ID ID mm 200.00

20 Pipe Area A m2 0.03

21 Permissible velocity through the pipe V m/s 2.30

22 Permissible flow through the pipe Q m3/hr 260.23

23 Motive water (HP water) Qmot m3/hr [Q - QTJP] 150.32

Qmot m3/hr 150.00

24 Specific gravity of conveying slurry S1(Q+ash equivalent

(54.54))/Q1.210 Particle Densi ty of Ash 2 T/ m3

25 Specific gravity of Jet pump input slurry S(QTJP+ash equivalent

(54.54))/QTJP1.496 Particle Density of Ash 2 T/ m

3

26 Removal rate of Jet Pump QTJP/S 73.457Which includes other water from wet

bottom ash hopper

27 Length of conveying pipe (Maximum distance considered) L M 330.00

28 No. o f bends in pipe Nb 9.00B

B

B

B

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29 Equivalent pipe length Leq M 3.70

30 Friction loss in pipe per 1000m Hf M 26.95

31 Hf in slurry pipe (C = 140) 8.99

32 Margin on Head [10%] H M 1.1 x Hf 9.89

33 Static head Hst M 5.00

34 Total Drop Tdrop M [Hst + Hf] 14.89

By momentum eqn

35 Head required at Jet Pump inlet MWC HxQmotx0.30 = QxTdrop 86.12 Jet Pump eff iciency = 30%

MWC 87

36 Motive water required at Jet Pump inlet 150 m3/hr at 87 MWC

B

B

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