2x25mw coal fired steam turbine power plant technical specification 3

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Home > Power Generation - 2x25mw coal fired steam turbine power plant technical specification 3

2x25mw coal fired steam turbine power plant technical specification 3

27 (10) Pump material 　/FONT> 316SS

(11) Motor type 　/FONT> Y90S-4B5

(12) Motor rated output (each) kW 1.1

(13) Motor voltage V 380

Cooling Pump 　/FONT> 1 stand by

(1) Number and duty Nos x % 2x100%

(2) Manufacturer / Country 　/FONT> China

(3) Type 　/FONT> Pipeline centrifugal impeller

(4) Mass flow (design) t/h 12

(5) Total head m 15

(6) Pump material by common and ASTM No.   　/FONT> 　/FONT>

Casing " 　/FONT> Cast iron

Impeller " 　/FONT> Cast iron

Shaft " 　/FONT> Carbon steel

(7) Speed R/min 1500

(8) Motor rated output (each) kW 2.2

(9) Motor voltage V 380

28 Plate Heat Exchanger

(1) Number 　/FONT> 1

(2) Manufacturer / Country   　/FONT> China

(3) Heat transfer surface of each plate m2 0.21

(4) Plate dimension mm 970x330

(5) Plate thickness mm 0.6

(6) Design pressure bar(g) 10

(7) Operating pressure bar(g) 3

(8) Design temperature   °C 170

(9) Total Heat transfer surface area m2 7.56

(10) Frame plate Material 　/FONT> A283-C

(11) Plates Material 　/FONT> 304SS

29 Electric Block 　/FONT>

(1) Number 　/FONT> 2

(2) Manufacturer / Country 　/FONT> China

(3) Lifting capacity t 2

(4) Lifting height m 40

(5) Motor capacity kW 3

(6) Motor capacity kW 0.4

(7) Motor voltage V 380

B. Steam Turbine Building

Item Description Unit Data

1 Condensing steam turbine 　/FONT> 　/FONT>

(1) Model 　/FONT> N30-3.43

(2) Type 　/FONT> Condensate

(3) Quantity of cylinders Nos Single cylinder

(4) Quantity of flows Nos regulating level +10pressure level

(5) Rated power MW 30

(6) Rated speed r/min 3000

/FONT>	(7) Rated extraction flow	t/h	131
	(8) Rated Inlet steam temperature	°C	435+10 -15
	(9) Rated Inlet steam pressure	MPa(a)	3.43+0.2 -0.3
	(10) Rated feed water temperature	°C	150
	(11) Rated Exhaust pressure	MPa	0.0052
	(12) Steam moisture at turbine exhaust	%	96
	(13) Isentropic efficiency	%	85.5
	(14) Rotary direction	/FONT>	Clockwise direction from turnbine end to generator
	(15) Central height of turbine ( depart from rotary platform)	mm	900
	(16) Weight of heaviest pcs	t	18.5
	(17) Weight of rotor	t	10.5
	(18) Max. size	mm	7200x4400x3300
	(19) Main steam stop-valve diameter	mm	inlet DN400, outlet 2XDN300
	(20) Main steam stop-valve quantity	/FONT>	1
	(21) Quantity of bearing, type	/FONT>	/FONT>
	Main bearings	/FONT>	1 ellipse type
	Thrust bearings	/FONT>	1 tilting pad type
	(22) Motor model	/FONT>	Y100L2-4
	(23) Motor power	kw	3
	(24) Motor voltage	v	380
	(25) Motor speed	rpm	1430
	(26) Steam turbine quantity	/FONT>	2
	(27�?/FONT>Manufacturer	/FONT>	China Harbin Steam Turbine Co.Ltd
2	Air cooler	/FONT>	/FONT>
	(1) Type	/FONT>	Fin type
	(2) Heat dipersion	KW	650
	(3) Group quantity of air cooler	/FONT>	4
	(4) Cool air temperature	°C	less than or equal 40
	(5) Cooling air quantity	m3/s	24
	(6) Pressure difference of cooled water in-outlet	Pa	39200
	(7) Working pressure	MPa	0.17
	(8) Inlet temperature of cooled water	°C	less than or equal 33
	(9) Cooled water quantity	m3/h	240
	(10) Weight of air cooler	kg	3260
	(11) Quantity of ait cooler	/FONT>	2
	(12) Manufacturer	/FONT>	Supplied with generator
B. Steam Turbine Building
Item	Description	Unit	Data
3	Condenser	/FONT>	/FONT>
	(1) Condensing surface	m2	2250
	(2) Rated output of condenser	t/h	100
	(2) Circulating coled water quantity	m3/h	10300
	(3) Condensing pressure	MPa	0.0052
	(4) CW inlet temperature	°C	less than or equal 26
	(5) CW outlet temperature	°C	less than or equal 31
	(6) Circulating water pipe diameter(outside diameter X wall thickness)	mm	¢828x9

/FONT>	(7) Average water velocity in condense pipe	m/s	2
	(8) Condenser water resistance	kpa	less than or equal 60
	(9) Total quantity of tubes	Nos	/FONT>
	(10) Condense pipe specification	/FONT>	/FONT>
	Outside diameter X wall thickness	mm	/FONT>
	Total length	mm	/FONT>
	(11) Materials	/FONT>	/FONT>
	Tubes	/FONT>	Bronze
	Water boxes	/FONT>	Q235-A
	Shell, hotwell	/FONT>	Q235-A
	Tube plates	/FONT>	Q235-A
	Nos	2
	(13) Condenser weight	t	36
	(14) Quantity of condenser	/FONT>	2
	(15) Manufacturer	/FONT>	Supplied with turbine
	(16) Model	/FONT>	N-2250
4	Water ejector	/FONT>	/FONT>
	(1) Model	/FONT>	CS-30-2
	(2) Water pressure	MPa	0.33-0.35
	(3) Water Flowrate	t/h	280
	(4) Draw out air quantity	Kg/h	30
	(5) Quantity	/FONT>	2
	(6) Manufacturer	/FONT>	Supplied with turbine
	(7) Weight	kg	610
5	Water ejection tank	/FONT>	/FONT>
	(1) Tank capacity	m3	5
	(2) Tank size	mm	2000x1800x1800
	(3) Tank Quantity	/FONT>	2
	(4) Manufacturer	/FONT>	Supplied with turbine
	(5) Weight	kg	1200
6	Water ejection pump	/FONT>	/FONT>
	(1) Quantity and duty	Nos x %	4X100%
	(2) Capacity	m3/h	180
	(3) Pressure	MPa	0.33
	(4) Motor type	/FONT>	/FONT>
	(5) Motor capacity	kw	30
	(6) Motor voltage	V	380
	(7) Motor speed	RPM	1450
B. Steam Turbine Building
Item	Description	Unit	Data
7	(8) Quantity	/FONT>	4
	(9) Manufacturer	/FONT>	China
	Gland heater	/FONT>	/FONT>
	(1) Type	/FONT>	JQ-30
	(2) Quantity	/FONT>	2
	(3) , Introduction acreage	m2	30
	(4) Water pressure	MPa	less than 1.0
	(5) Coled water quantity	t/h	33.6
	(6) Steam pressure	MPa	1.6
	(7) Steam temperature	°C	260-430

To be continued part 4