热电专业英语.ppt

Danmei XIE (Ph.D) Figure 2.11 Steam flow in moving blades Figure 2.10 working principles of turbine Figure 2.12 Curves of the reactive force and work with blade speed Figure 2.13 Steam flow in an impulse stage Figure 2.14 Steam flow in a reaction stage Courtesy of Power Magazine Unit Seven Construction pressure vessel 压力容器 hoop stress 环向应力 transverse plane 横截面 stiff 刚性的，强直的，稠的 clearance 间隙，空隙，间距 diaphragm 隔板，膜片，孔板 fixed blade 静叶，喷嘴 flange 法兰 gland housing 汽封体 exhaust 乏汽，排汽 governing valve 调节阀 annular chamber 环形室 insulated 隔热的，绝缘的 cast steel 铸钢 hydraulically 液压 shrink ring 扣环，收缩环 ventilation 通风，流通空气 shaft seal 轴封，轴的密封装置 tap point 抽汽口，抽汽点 carrier ring 持环，垫圈 cap nut 盖型螺母，盖螺母 spacer ring 隔离环，间距环，隔离垫圈 carbon rod heater 碳棒加热 bearing pedestal 轴承座 paw 猫爪 concentricity 同轴度，同心度 bracket 支架，托架 transverse key 横销 sliding key 滑销，滑键 alignment 对中 taper 逐渐变细，逐渐变小 periphery 周边 solid drum rotor 实心鼓形转子 built-up rotor 套装转子 combined rotor 组合转子 welded disc rotor 焊接盘式转子 shaft forging 轴锻件 brittle fracture 脆性断裂 flaw 缺陷，裂缝 ultrasonic 超声波 mono block 单块式 inhomogeneity 不均匀性，非均质性 shrunk-on 热（红）套式 resilient bearing 反弹轴承 resonance 共振 critical speed 临界转速 emissivity 发射率，放射率 turning gear 盘车 asymmetrical coefficient 不均匀系数 ingot stage 铸锭 converging-diverging nozzle 超音速喷嘴，缩放喷嘴 nozzle block 喷嘴组 reversing blade 转向叶片、导向叶片 velocity-compounded stage 双列速度级，复速级 blade tip 叶顶 shroud 围带 sealing strip 汽封片 windage loss 鼓风损失 warped 弯曲的，变形的 vortex flow 涡流，旋流 eddy 逆流，漩涡 twist 扭曲，旋转 centrifugal force 离心力 rhomboid 偏菱形, 长斜方形 airfoil 机翼; 螺旋桨 torsional stress 扭转应力，扭曲应力，扭应力 excitation frequency 激励频率，激发频率 forerunner 先驱 aerodynamic losses 气动损失 Figure 2.15 Double shells and carrier rings Stg 10TG-X 12CrMoNiWVNbN 10 11 St10TSX 10CrMoWVNbN 10 11 St 461 TS 20 Cr Mo Ni V 47 St 461 TS 20 Cr Mo Ni V 47 Figure 2.17 The blades of ALSTOM steam turbine Figure 2.18 Vector diagram of moving blade Figure 2.19 steam vortex flow through a stage Unit Eight Auxiliary Equipment deaerating plant 除氧装置 non-condensable 不能凝结的 condensate pum