7.0.0 a) | STEAM TURBINE Maximum continuous rating of turbine (MCR) 汽轮机 toddspiewak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 condenr inlet 冷凝器入口处的冷却水温度 | 33 | |
h) | Temperature ri of cooling water in condenr 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 condenr 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 condenr 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 Condenr 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 ction 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 ri 温升 | oC | 10 oC | |
Design Heat Load 设计热负荷 | Turbine VWO with 3% make-up and normal condenr vacuum. 汽轮机阀门全开和正常冷凝器真空 | ||
好好学习天天向上用英语怎么说 Head Loss through condenr 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 | ||
Condenr 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吸血鬼日记6汞柱真空&适用于1.08 bar (g)的紧急内部压力和全真空 | ||
customizationCodes /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 |
机器翻译软件 | 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 | ||
uku4) 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 diffur 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%一致元器件英文 | |
Margin on Design capacity 设计容量裕度 | % | 15% on above 15%以上 | |
liqiTDH 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 condenr 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). lancel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 Condenr 汽封凝汽器 | |||
本文发布于:2023-07-03 01:46:31,感谢您对本站的认可!
本文链接:https://www.wtabcd.cn/fanwen/fan/78/1075203.html
版权声明:本站内容均来自互联网,仅供演示用,请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系,我们将在24小时内删除。
留言与评论(共有 0 条评论) |