600MW Turbine

600600MW STEAM MW STEAM

TURBINETURBINE

东方汽轮机厂DongFang Steam Turbine Works

东方汽轮机厂通过三次全面引进日立公司 600MW 汽轮机设计制造技术，使东方具备了设计制造先进亚临界、超临界 600MW 等级机组的能力。 Through 3 rounds of completely introducing technology of design and manufacture from Hitachi Co., DFSTW has enable itself to design and manufacture sub-critical and super critical 600MW class steam turbine.

600MW Steam Turbine ProfileDongFang Steam Turbine Works


第一次引进：全面引进具有 20 世纪 90 年代初先进水平的亚临界 600MW 机组设计制造技术First round of introduction: completely introducing technology of

design and manufacture of sub-critical 600MW steam turbine with

advanced level of 90s’ of 20 century.

第二次引进：全面引进具有 21 世纪先进水平的亚临界 600MW 机组设计制造技术，采用当代先进的全三维技术进一步提高亚临界 600MW 机组的经济性Second round of introduction: completely introducing technology of

design and manufacture of sub-critical 600MW steam turbine with

advanced level of 21 century, up-to-date and advanced 3-D technology

was adopted to further improve efficiency of sub-critical 600MW steam

turbine.

第三次引进：全面引进具有 21 世纪先进水平的超临界、超超临界 600MW 机组设计制造技术Third round of introduction: completely introducing technology of

design and manufacture of super critical and ultra super critical

600MW steam turbine with advanced level of 21 century.


全面引进日立公司 600MW 汽轮机设计、制造技术

Completely introducing technology of design and manufacture

of 600MW steam turbine from Hitachi Co.

• 全面引进技术 (Completely introducing technology) ：

设计图纸、计算方法、计算程序

design drawing, calculation method, calculation program

制造工艺（操作指导书）、

manufacture process (operation guide book)

采购规范、检验规范（标准）

purchase, inspection and test specification( standard)

• 全面人员培训 (staff’s training) ：

设计人员、工艺人员、检验人员

designer, technologist, inspector

关键工序操作人员

operator of key post


业绩业绩Experience listExperience list

1000MW 等级核电汽轮机订货 4 台，投运 2 台

1000MW Class Nuclear Power Steam Turbine ordered: 4 units,operated:2 units

1000MW 等级超超临界汽轮机订货 4 台

1000MW Class Ultra Super Critical Steam Turbine ordered: 4 units

600MW 等级汽轮机订货 100 台，投运 19 台

600~660MW steam turbine ordered: 100 units, operated: 19 units

300MW 等级汽轮机订货 167 台，投运 83 台

300MW class steam turbine ordered: 167 units, operated: 83 units

Rated Output: 600 MW

Turbine Type: Tandem-compoundFour Flow Exhaust

Reheat Condensingwith 40” LSB

Revolution: 3,000 rpm

Main Steam Press.: 16.6 MPa

Main & Reheat Steam Temp.:538 / 538 ℃

Condenser Vacuum: 5.06 kPa

Initial Operation: 1997

Sub Critical Steam Turbine: ZOUXIAN No. 5 Unit



主要技术特点 Main technical characteristic

机型先进机型先进Advanced unit typeAdvanced unit type

可靠性高可靠性高High reliabilityHigh reliability

经济性好经济性好High efficiencyHigh efficiency

调峰性能好调峰性能好Good adjustment of peak load Good adjustment of peak load

自动化水平高自动化水平高High automatic levelHigh automatic level

机型先进 advanced unit type

冲动式汽轮机


Impulse type

冲动式冲动式冲动式反动式反动式反动式

机型先进 advanced unit type600MW Steam Turbine ProfileDongFang Steam

Turbine Works

机组热耗

运行时间

一个大修期一个大修期一个大修期

反动式机组反动式机组

冲动式机组冲动式机组

机组持久性能

机型先进 advanced unit type600MW Steam Turbine ProfileDongFang Steam

Turbine Works


机型先进 advanced unit type

高中压合缸、三缸四排汽Combined HIP casing, three casing, four exhaust

结构紧凑、投资和维护费少、温度场均匀、膨胀通畅、轴承箱温度较低，轴系稳定，高压前汽封漏汽对中压进汽区的转子进行自然冷却，降低了转子的表面温度，从而使机组的寿命消耗大幅下降。Concrete structure, less investment and maintenance cost, even temperature field, smooth expansion, low temperature in bearing pedestal, shafting stabilization, naturally cooling rotor at IP inlet steam zone by leaking steam from HP front gland reduces surface temperature of rotor, so that consumption of rotor life is reduced greatly.


亚临界 600MW 汽轮机纵剖面图

Longitudinal section drawing of sub-critical 600MW steam turbine


IP Inlet Cooling


600600MWMW 机组机组回热系统回热系统 Regenerative systemRegenerative system

600MW Steam Turbine ProfileDongFang Steam Turbine Works中压缸启动及旁路系统 IP start and bypass system


提高轴系稳定性所采用的先进措施Advanced measure to improve shafting stabilization

● 联轴器带止口，对中准确、联接牢靠Stepped coupling to be accuracy alignment and reliable

connection

● 采用超纯净度转子锻件 , 无中心孔转子Use of super pure rotor forging without center bore


提高轴系稳定性所采用的先进措施Advanced measure to improve shafting stabilization

● 1# 、 2# 瓦采用可倾瓦， 3# 、 4# 、 5# 、 6# 采用椭圆瓦 Bearing No.1 and No.2 are of tilting type, while bearing No.3, No.4 ， No.5 and No.6 are of elliptical type

● 主油泵刚性联接 Rigid connection to main oil pump

● 高速动平衡和超速试验 High speed dynamic balancing and overspeed test


● 低磨擦自润滑滑块Self lubricating slide block with low friction

提高机组启停灵活性采用的先进措施Advanced measure to improve start and shutdown flexibility of unit


● 高压铁素体不锈钢、低压铜质汽封HP gland with ferrite stainless steel, LP gland with copper

新设计 new design 原设计 old design


steam flowsteam flow


• 汽轮机基础采用钢台板Foundation of steam turbine is of steel base plate

• 径向汽封，动静间隙合理Radial gland is reasonable in clearance between static and moving parts



• 汽缸采用窄高法兰 narrow high flange to casing


40 " 33.5 "


提高机组可靠性的其他先进措施Advanced measure to improve start and shutdown flexibility of unit

● 全部隔板采用焊接结构 all diaphragms are of welding structure

● 高可靠性的末级叶片，采用高频淬火防水蚀last stage blade with high reliability is protected from water

corrosion by high frequency quenching


高可靠性的末级叶片High reliability last stage blade

4F-

36

600MW Steam Turbine ProfileDongFang Steam Turbine Works先进的辅助设备

Advanced auxiliary equipment

● 高效、高可靠性的阀门High efficiency and reliability of valve● 提高配套辅机质量Improving quality of associated auxiliary equipment

高压主汽调节阀 HP main and control valve


提高机组可靠性的其他先进措施Other advanced measure to improve reliability of unit

● 性能先进的凝汽器

Condenser with advanced performance

分类方法classification

类型type

背压back pressure

单背压single back pressure

双背压double back pressure

管材tube material

铜管copper tube

不锈钢管stainless steel

钛管Ti tube

冷却水cooling water

淡水fresh water

半海水part sea water

海水sea water

图 1 图 2 图 3外围带状式排管卵形排管模块式排管


BD 公司 TEPEE 管束tube bundle of TEPEE from BD Co.

流场均匀、汽阻小、传热系数高、凝结水过冷度小

70s Technology

80s Technology

90s Technology


先进的辅助设备Advanced auxiliary equipment

Condenser


Government Award

600MW Steam Turbine ProfileDongFang Steam Turbine Works机组经济性高机组经济性高

High efficiency of unitHigh efficiency of unit

先进的通流技术先进的通流技术 ::advanced flow path technologyadvanced flow path technology • • 层流叶栅、薄出汽边层流叶栅、薄出汽边layer flow blade cascade and thin outlet edgelayer flow blade cascade and thin outlet edge • • 平衡扭曲动叶平衡扭曲动叶 balanceable twisted moving bladebalanceable twisted moving blade • • 可控涡流型可控涡流型 controllable vortex flow typecontrollable vortex flow type • • 自带围带多齿汽封自带围带多齿汽封 multiple teeth gland on shroud of blademultiple teeth gland on shroud of blade • • 分流叶栅分流叶栅 diffluent blade cascadediffluent blade cascade • • 边界层抽吸边界层抽吸 boundary layer extraction and absorptionboundary layer extraction and absorption • • 弯曲、弯扭静叶片弯曲、弯扭静叶片 bending, bending and twisting static bladebending, bending and twisting static blade


层流静叶叶型Layer flow static blade profile

环形叶栅对比试验环形叶栅对比试验Contrastive test on Annular blade Contrastive test on Annular blade

cascadecascade

(0.38 薄出汽边 )0.38mm thin outlet edge

损失降低 30 %Loss reduces 30%级效率提高 1-1.5 %Stage efficiency improves 1-1.5 %

该叶型型损小Low profile loss

二次流损失小Low secondary flow loss


该叶型型损小Low profile loss 二次流损失小

Low secondary flow loss

动叶型损试验动叶型损试验Profile loss test of moving bladeProfile loss test of moving blade

平衡动叶叶型Balanceable moving blade profile

级效率提高 2-3 %Stage efficiency improves 2-3%


可控涡静叶Controllable vortex static blade

减少冲角损失和二次流损失

Reducing intake angle loss and secondary flow loss

级效率提高 1.0-1.5 %Stage efficiency improves 1.0-1.5 %

铆钉围带

叶片

围带

汽封齿


自带冠多齿汽封Multiple teeth gland on shroud 汽封齿数增加可使漏汽量

减少 25%;

缸效率提高 0.65% ~0.25% Increased gland teeth No. is to

reduce leaked steam by 25% and to improve casing efficiency by 0.65% ~0.25%

改进前Before improvement

改进后After improvement


三维三维 (3(3D)D) 气动设计提高级效率气动设计提高级效率

Improving stage efficiency by 3d pneumatic designImproving stage efficiency by 3d pneumatic design

• 弯曲、弯扭静叶片

Bending, bending and twisting static blade

• 新全三维扭曲动叶片

Newly 3d twisted moving blade

机组经济性高机组经济性高High efficiency of unitHigh efficiency of unit


弯曲静叶弯曲静叶bending static bladebending static blade

减少二次流损失

级效率提高 1-2 %Reducing secondary flow loss is to improve stage efficiency 1-2%


新全三维扭曲动叶Newly 3D twisted moving blade


弯曲静叶弯曲静叶Bending static bladeBending static blade

亚临界机组Sub-critical Steam Turbine

超临界机组Super Critical Steam Turbine

额定功率 Rated Output 600MW 600MW

主蒸汽压力 Main Steam Pressure 16.7Mpa(170ata) 24.22Mpa(247ata)

主蒸汽温度 Main Steam Temperature 538℃ 566℃

主蒸汽流量 Main Steam Flow 1810t/h 1667t/h

再热蒸汽压力 Reheat Steam Pressure 3.56Mpa(36.29ata) 3.79Mpa(38.65ata)

再热蒸汽温度 Reheat Steam Temperature 538℃ 566℃

再热蒸汽流量 Reheat Steam Flow 1512t/h 1397t/h

背压 Exhaust Pressure 5KPa 5KPa

给水温度 Feed Water Temperature 270.4℃ 274.8℃

末级叶片高度 Last Stage Blade Length 40″(36″ 、 33.5″) 40″ (36″ 、 33.5″)

通流级数 Flow Path Stage No. (I+8)+(5)+(4*7)=42 (I+7)+(6)+(4*7)=43

汽轮机外形尺寸 Overall Dimension 27.82×9.28×6.26 27.85×9.74×6.26


600MW 机组主要技术规范Main technical specification of 600MW steam turbine

600MW Steam Turbine ProfileDongFang Steam Turbine Works机组调峰性能好

Good adjustment of peak load of unit

● 冲动式结构 Impulse type structure

● 性能优良的末级叶片 Last stage blade with good performance

● 采用高窄法兰 Narrow high casing flange

● 中压缸启动 IP start

● 采用径向汽封，增大轴向间隙 Radial gland is to increase axial clearance

● 阀门管理和寿命管理功能 Management function of valve and life


大圆角、小应力集中、平型转子Large round angle, smal l stress concentration and plane type rotor


自动化水平高自动化水平高High automatic levelHigh automatic level

高压抗燃油数字电液控制系统

HP fire resistant oil DEH system

功能完善，性能先进，可靠性高

使用方便、灵活，自动化水平高

Perfect function, advanced performance, high reliability

Convenient operation and flexibility, high automatic level


关键零部件采用数控加工关键零部件采用数控加工 Machining key components on CNC Machining key components on CNC machine toolsmachine tools

• 转子数控加工 CNC machine for rotor

• 静叶片、动叶片数控加工 CNC machine for static and moving blade

• 汽缸数控加工 CNC machine for casing

• 阀门数控加工CNC machine for valve

• 轴承数控加工CNC machine for bearing

DongFang Steam Turbine Works

600MW Turbine

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