汽轮机详细设计参数.doc

7.0.0
a)
STEAM TURBINE
Maximum continuous rating of turbine (MCR)
汽轮机
汽轮机最大连续蒸发量
MW
150 MW at generator terminals
在发电机接线头为150MW
b)
Generation during valve wide open (VWO) condition
阀门全开时的出力
MW
+ 5% on TMCR Generator terminals
高于TMCR工况5%
c)
Live steam pressure at turbine inlet
汽轮机入口流通蒸汽压力
bar(a)
By Bidder
由投标人填写
d)
Live steam temperature at turbine inlet
汽轮机入口流通蒸汽温度

By Bidder
由投标人填写
e)
Hot reheat temperature at turbine inlet
汽轮机入口再热热段温度

By Bidder
由投标人填写
f)
Permissible deviations of live steam pressure and live steam temperature
流通蒸汽压力和温度的允许偏差
-
According to IEC Recommendations, (The latest edition.)
按照IEC标准（最新版本）
g)
Cooling water temperature at condenser inlet
冷凝器入口处的冷却水温度

33
h)
Temperature rise of cooling water in condenser at TMCR of turbine
当TMCR工况下冷却水在冷凝器中的温升

10
i)
Maximum cooling water velocity in condenser tubes with 10% blocked tubes
10%堵塞情况下凝汽器管中的最小冷却水速率
m/s
2.2
j)
Minimum cooling water velocity in condenser tubes
凝汽器管中的最小冷却水速率
m/s
according to requirement of sponge ball equipment
按照胶球设备的必要条件
k)
Speed of turbine rotor
汽轮机转子转速
rpm
3000
l)
Frequency deviations at Maximum Continuous Rating
最大连续出力时的频率偏移

47.5 Hz to 51.5 Hz
Sr. No. 8.0
Description Condenser
冷凝器描述
Unit
Data
数据

Type
类型

Horizontal Surface type divided water box construction with single or two pass design, integral air cooling section and steam inlet at the top or side.
水平表面式、有一个或者二个通道的分水室结构、一体的空气冷却区、蒸汽进口在顶部或侧面

Surface area
表面面积

10% over & above the designed surface area
超过设计表面积的或10%

Temperature rise
温升
oC
10 oC

Design Heat Load
设计热负荷

Turbine VWO with 3% make-up and normal condenser vacuum.
汽轮机阀门全开和正常冷凝器真空

Head Loss through condenser
通过冷凝器的压头损失

6 m WC
6m水柱的压力

CW velocity
冷却水流速

1.6 m/s to 2.2 m/s
1.6 m/s to到2.2 m/s

Max. oxygen in condensate
冷凝器内最大含氧量

0.015 cc per litre for 50% to 100% unit load and 0.03cc per litre for loads below 50%
50% 至100%机组负荷时每公升含0.015 cc，机组负荷低于50%时每公升含0.03cc

Cooling water temperature at inlet
进口冷却水温度

33 deg C

Max. Cooling water temperature at inlet (design)
进口冷却水最大温度（设计）

36 deg C

Cooling media
冷却介质

Clarified water
净化水

Cooling circuit
冷却回路

Open recirculating system with Induced draft cooling towers.
有阴风冷却塔的开式循环系统

Hot well storage capacity
热井存储能力

Min. 3 min
最少3分钟的供应能力

Condenser shell design pressure
凝汽器外壳设计压力

760 mm Hg vacuum & suitable for an emergency internal pressure of 1.08 bar (g) and Full Vacuum
760 mm汞柱真空&适用于1.08 bar (g)的紧急内部压力和全真空

Codes /standards
规范/标准

Design, manufacture & testing as per the latest HEI standards
设计、制造和测试按照最新HEI标准

Material of construction
结构材质
1) Shell
外壳

Mild steel (Min. wall thickness 18 mm)
低碳钢（最小壁厚18mm）
Sr. No.

Description

Unit

Data

2) Tubes
管子

Welded stainless steel type conforming to ASTM A-249, TP
304
不锈钢焊接型遵照ASTM A-249, TP304

3) Water box & covers
水箱&盖子

Mild steel
低碳钢

4) Support plates
支撑板

Mild steel
低碳钢

9.0.0

Condensate Extraction Pumps
(CEPs)凝泵

Number of pumps
泵的数量

Nos

3 x 50%

Type
类型

Vertical, multistage, Cannister, centrifugal diffuser type.
垂直、多级、碳罐、离心式

Drive
驱动器

Vertical constant speed squirrel cage induction motor.
垂直恒速鼠笼式电动机

Design capacity of the pump
泵的设计容量

kg/s

0.5 X maximum condensate flow corresponding to VWO and 3% make-up.
0.5x最大凝结水流量与阀门全开补水3%一致

Margin on Design capacity
设计容量裕度

%
15% on above
15%以上

TDH developed

bar

Maximum deaerator operating pressure + static head & pressure drop under maximum operating condition
除氧器最大操作压力+静压头&压降低于最大操作条件

Margin on Design Head
设计压头裕度

%
10 %

10.0
Vacuum Pumps
真空泵

No. of pumps
泵数量

2x100%

Capacity
容量

Pumps shall be sized as per latest HEI requirements. Capacity of each pump in free dry air at standard condition with condenser operating at design pressure of 1 inch (25.4 mm) of Hg (abs) and sub-cooled to 4.170C below temperature
corresponding to absolute suction pressure shall not be less than 30 scfm (51 m3 per hour) under standard condition (i.e 760 mm of Hg (abs) and 21.10C).

泵的尺寸应依照最新HEI标准。每个泵的容量在标准条件下释放干燥的空气，冷凝器的设计压力为1英寸（25.4mm）汞柱和冷却到4.17摄氏度以下。相应的,绝对负压不得少于30scfm(51立方米每小时)在标准状态下(如下760毫米的汞(abs)和21.10 C)。

Sr. No.
Description
Unit
Data

Type
类型

Continuous duty single/ two stage pumps liquid ring type sized as per pumps applicable requirements of latest HEI standards.
按照最新HEI标准适用规范的连续负载单/两级泵液环型。
11.0
Condensate Polishing Unit
凝结水精处理装置

Capacity
容量

2x50%
11.1
Deaerator
除氧器

Type
类型

Either spray cum tray type or spray type
喷洒和托盘型或喷洒型

De-aerating capability
除氧容量
ppb
5ppb

Mode of operation of deaerator for feed water system
给水系统除氧器运行模式
-
Variable pressure with fixed minimum pressure
有固定最小压力的变压

Storage Capacity of feed water tank for feed water system at 100% BMCR between minimum level and normal regulated level
最低液位和正常调整的液位之间100%锅炉最大连续出力下给水系统给水箱的存储容量
min
6 minutes
6分钟
11.2
HP-LP Heaters
高压-低压加热器

Design pressure of LP feed heaters, condensate coolers (Shell side), feed water tank and Deaerator
低压给水加热器，凝结水冷却器（壳体侧），给水箱和除氧器的设计压力
-
120% of respective maximum turbine bleed pressure but at least 3 bar (g) and full vacuum.
至少在3 bar (g)和全真空120%的各自最大汽轮机排放压力。

Design pressure of LP feed heaters and condensate coolers (Tube side)
低压给水加热器，凝结水冷却器（管道侧）

Shut off head of CEP at maximum speed and full vacuum
最大速度和全真空时的凝结水泵的断流水头。

Design pressure of HP feed heaters and desuperheater (Shell side)
高压给水加热器和减温器的设计压力（壳体侧）
-
120% of maximum bleed steam pressure
120%的最大排放蒸汽压力。

Design pressure of HP feed heater and desuperheater heater (Tube side)
高压给水加热器和减温器（管道侧）的设计压力

Shut off head of BFP at maximum speed and full vacuum.
最大速度和全真空时的锅炉给水泵的断流水头。

Design temperature of LP feed heaters, feed water tank and deaerator, HP feed heaters and desuperheater
低压给水加热器，给水箱和除氧器，高压给水加热器和减温器的设计温度

According to HEI standards.
根据HEI标准。

Arrangement of heaters
加热器布置

Horizontal
卧式

Gland Steam Condenser
汽封凝汽器

Vapour Extractors
蒸汽提取器

Quantity
数量

2x100% A.C Driven
2x100%交流驱动
12.0
BOILER FEED WATER PUMPS (BFPs)
锅炉给水泵

Type
类型

Horizontal, multistage centrifugal, with barrel type outer casing with end rotor removal. The pump shall be fully cartridge designed.
卧式，多级离心，带有筒式外壳体，带有端部转子移除。该泵是夹头设计的。

Number of feed water pumps
给水泵数量
-
Three (3)
三台

Capacity per feed water pump
每台给水泵的容量
-
50% each
每台50%

Drive
驱动
-
AC motor driven
交流电机驱动

Control of motor driven feed pumps
电机驱动给水泵控制
-
Variable speed control by hydraulic variable speed coupling
通过液压变速联轴器的变速控制

Rated capacity
额定容量
Note: Discharge flow of the pump shall not include any seal flow, warm up flow and balance drum leakage flow.
注意：该泵的排放流量不包含任何密封流量，温启动流量和平衡汽包渗漏流量。
Tonnes/hr
The combined flow of 2x50% boiler feed pumps shall have 10% margin over feed flow corresponding to turbine VWO condition, 3% makeup, design back pressure and corresponding head + design spray requirement of reheater attemperators.
2x50%锅炉给水泵的组合流量在给水流量上有10%余量，符合汽轮机阀门全开工况，3%补给，设计背压和相应压头+加热器恒温器的设计喷洒要求。

Rated head developed by each of the pump
每台泵的额定压头
bar
Not less than 3% over steam generator highest safety valve set pressure corresponding to BMCR
锅炉最大安全阀设置压力不少于3%，与锅炉最大连续出力一致

considering the static and dynamic system requirements with friction losses in piping and feed water heaters.
考虑该静止和动力系统规范且管道和给水加热器中摩擦损失。

Best efficiency point
最佳效率点

The best efficiency point of the pump shall correspond to 100% TMCR under rated condition.
该泵的最佳效率点符合额定工况下100%汽轮机最大连续出力。

Shut off head
断流水头

The shut off head of the pumps shall be between 120% and 130% of total developed head (TDH) under rated condition.
额定工况下该泵的断流水头在120%和130%总水头之间。

Minimum flow through pump
通过泵的最小流量

> 25%

Motor rating for MDBFP (The maximum continuous motor rating corresponding to maximum cooling water temperature to cooler inlet)
电动给水泵的电机额定值（最大连续电机额定值符合打冷却器进口的最大冷却水温度）

Not be less than the maximum load demand of driven equipment at its entire range of operation at frequency variations from 47.5 Hz to 51.5 Hz and motor shall not be overloaded during any mode of operations of the driven equipment
任何驱动设备运行模式期间从47.5 Hz到51.5 Hz频率变动运行的整个范围内不小于最大负载要求的驱动设备和电机不过载。
12.1
BFP Booster Pump
锅炉增压泵

Single casing, double suction, horizontal single stage centrifugal pump with mechanical seals
单缸，双吸，卧式单级离心泵且带有机械密封
12.2
Steam turbine drive for BFP
锅炉给水泵的汽轮机驱动

Number of drives
驱动数量
Nos.
Two (2)
两个

Steam inlet conditions to drive turbine
蒸汽进口状况到驱动汽轮机
bar
To be decided by Bidder
投标人决定

Steam outlet pressure
蒸汽出口压力
bar
Main condenser pressure
主凝汽器压力
13.0
Turbine Bypass System
汽轮机旁路系统

Capacity of HP Bypass system
高压旁路系统的容量
%
60% TMCR
60%汽轮机最大连续出力

Capacity of LP Bypass system
低压旁路系统
%
Matching with HP bypass capacity of 60% TMCR.
和60%汽轮机最大连续出力匹配
14.0
Chemical Dosing System
化学加药系统

1 set for each unit
每台机组一台
14.1
HP Dosing System
高压加药系统

HP dosing system
高压加药系统

1 No. solution Preparation Stainless Steel (SS316) tank with basket & motorized agitator
1组溶液配制不锈钢（SS316）箱且带有垫圈和电动搅拌器。

1 No. metering tank of Stainless Steel (SS316) construction with motorized agitator
1组不锈钢（SS316）计量箱结构且带有搅拌器。

HP Dosing Pumps
高压加药泵

Qty
数量

2x100%

Type
类型

Reciprocating plunger positive displacement type pumps with drive motor.
往复式冲杆容积式泵且带有驱动电机

Material
材料

SS 304
14.2
LP Dosing System
低压加药系统

1 set of NH3 and Hydrazine dosing system for each unit
每台机组1台NH3和肼加药系统

LP dosing system
低压加药系统

1 No. solution Preparation Stainless Steel (SS316) tank with basket & motorized agitator
1组溶液配置不锈钢箱（SS316）且带有垫圈和电动搅拌器。

1 No. metering tank of Stainless Steel (SS316) construction with motorized agitator
1组不锈钢计量箱（SS316）且带有电动搅拌器。

LP Dosing Pumps
低压加药泵

Qty
数量

2x100%

Type
类型

Reciprocating plunger positive displacement type pumps with drive motor.
往复式冲杆容积式泵且带有驱动电机

Material
材料

SS 304
15.0
ACW System
空冷水系统

1 set for each unit
每台机组1台

Closed Cycle DM Cooling water Pumps (Qty.)
闭式循环除盐冷却水泵（数量）

3 x 50%

Plate Heat Exchangers (PHE) (QTY.)
板式热交换器（数量）

3 x 50%

PHE Capacity
板式热交换器容量

To meet the requirements of BTG islands equipments + customer supplied auxiliaries viz. air compressors etc with 25% spare capacity on heat transfer area selected.
为了满足BTG岛设备+客户供应辅助既在热交换选择区域上带有25%备用容量的空气压缩机等的规范

ACW Booster Pumps
空冷水增压泵

3x50%

Cooling water
冷却水

Tapped from CW inlet header outside STG building
从锅炉汽轮发电机组外冷却水进口加热器

Cooling Water inlet temperature
冷却水进口温度
oC
33 oC

Design Cooling water inlet temperature for PHE
板式热交换器的设计冷却水进口温度
oC
36 oC

Primary water outlet temperature
一次水出口温度
oC
39 oC (Maximum)
最大

Primary circuit cooling water quality
一次回路冷却水量

Passivated DM water
钝化除盐水
16.0
Condenser Make-up
Number of Condenser Make-up Pumps
凝汽器补给
凝汽器补给泵的数量

3x50%
17.0
Boiler Initial Filling
锅炉初始填充
Boiler Initial fill Pump Qty
锅炉初始填充泵数量

2x100% (One working + one standby )
2x100%（1用+1备）
18.0
Passenger cum Goods Lift
客运和货运电梯

18.1
Location
位置

Steam generator
锅炉
18.2
No. of lift
起重机数量
Nos.
1
18.3
Travel
移动

Ground floor level to Drum level
地面到汽包液位
18.4
Type of Operation
运行类型
-
With/without attendant
有/无值班人员
18.5
Minimum Carrying Capacity
最小输送容量
Tonnes
2
18.6
Speed
速度
m/sec
1.5
18.7
Size of the Machine room (LxWxH)
机器室尺寸（长X宽X高）
M
Bidder to indicate
投保人指出
Sr. No.
Description
描述
Unit
单位
Data
资料
18.8
Car Size
梯室尺寸
mm
Bidder to indicate
由投标人指定
18.9
Size of lift well
电梯井道尺寸
mm
Bidder to indicate
由投标人指定
18.10
Car enclosure
梯室外壳
-
Painted Sheet steel
油漆的钢板
18.11
Car doors
轿门
-
Collapsible
可折叠式

Door opening (WXH)
厅门（尺寸）
mm
1500 x 2000
18.12
Hoist way door opening
厅门打开方式
-
Collapsible
可折叠式
18.13
Drive
驱动
-
Electrical Variable Speed drive.
电气变速传动
18.14
Controls
控制器
-
Fully automatic Microprocessor
based full collective logic
基于总逻辑的全自动微处理器
18.15
Operation of car and hoist way doors
轿门和厅门的运行方式
-
Manual with interlock safety feature
具有连锁安全特点的手动式
18.16
Car floor
梯室地板
-
Steel chequered plate
网纹钢板
19.0
Passenger Lift
客梯

19.1
Location
位置
：
STG building
汽轮发电机建筑
19.2
No. of lift
电梯数量
Nos.
1
19.3
Travel
运行区域

Ground floor to operating floor including mezzanine floor.
地下一层到工作台包括阁楼。
19.4
Type of Operation
运行类型
-
With/without attendant
有/无服务人员
19.5
Minimum Carrying Capacity
最小载重量
Tonnes
12 person
12人
19.6
Speed
速度
m/sec
1.5
19.7
Size of the Machine room(LxWxH)
机房尺寸(LxWxH)
M
Bidder to indicate
由投标人指定
19.8
Car Size
梯室尺寸
mm
Bidder to indicate
由投标人指定
19.9
Size of lift well
电梯井道尺寸
mm
Bidder to indicate
由投标人指定
19.10
Car enclosure
梯室外壳
-
Painted Sheet steel
油漆的钢板
19.11
Car doors
轿门
-
Collapsible
可折叠式

Door opening (WXH)
厅门（尺寸）
mm
1500 x 2000
19.12
Hoist way door opening
厅门打开方式
-
Collapsible
可折叠式
19.13
Drive
驱动
-
Electrical Variable Speed drive.
电气变速传动
19.14
Controls
控制器
-
Fully automatic Microprocessor
based full collective logic
基于总逻辑的全自动微处理器
19.15
Operation of car and hoist way doors
轿门和厅门的运行方式
-
Manual with interlock safety feature
具有连锁安全特点的手动式
19.16
Car floor
梯室地面
-
Steel chequered plate
网纹钢板