抽凝式汽轮机它是指:由汽轮机中间级抽出一部分蒸汽供给用户,即在发电的同时还供热的汽轮机。根据用户需要可以设计成一次调节抽汽式或二次调节抽汽式。
一次调节抽汽式汽轮机
又称单抽汽式汽轮机。由高压部分和低压部分组成,相当于一台背压式汽轮机与一台凝汽式汽轮机的组合。新汽进入高压部分作功,膨胀至一定压力后分为二股,一股抽出供给热用户,一股进入低压部分继续膨胀作功,然后排入凝汽器。
二次调节抽汽式汽轮机
又称双抽汽式汽轮机。可以同时满足不同参数的热负荷。整个汽轮机分为高、中、低压 3部分。新汽进入高压部分作功,膨胀到一定压力,抽出一部分蒸汽供给热用户;另一部分进入中压部分继续膨胀作功后,再抽出一部分供暖,其余蒸汽经过低压部分排入凝汽器。
汽轮机结构特征
结构形式:快装多级汽轮机
布置方式:双层
机械调速:分为全液压调节
电子调速(国产或进口):电液转换调速器、控制检测保护集控四大系统调速器
超速保护:机械式飞锤保护和电磁阀电子智能控制
汽封形式:不锈钢片迷宫式汽封、蜂窝式接触式汽封
主汽门:一体化自动主汽门(速关调节组合阀)
主轴总装:复速级叶轮叶片,转子与叶轮过盈套装
润滑系统:油润滑(配套联合润滑油站)
热胀补偿:前轴承支撑为滑动热补偿
电气配置:全套电控柜、保护柜、主控柜、配套国产发电机(电压400-6300-10050V)。
盘车方式:手动或电动
技术参数
型号 Model | 本厂代号 Code | 功率 Capacity 额定/上限 Rated/Max (MW) | 进汽参数 Inlet | 抽汽参数 Extraciton | 汽耗 Consumption | 排汽压力 Exhaust Pressure (MPa) | 本体重量 Weight (t) | 外型尺寸 Overall Dimensions LxWxH(mm) | 配用电机型号 Matching Generator Model | ||||
压力 Pressure (MPa) | 温度 Temp (℃) | 汽量 Flow (t/h) | 压力 Pressure (MPa) | 汽量 Flow 额定/上限 Rated/Max (t/h) | 额定工况 Rated (kg/kw.h) | 纯冷凝工况 Pure Condensing (kg/kw.h) | |||||||
C1.5-2.35/0.490 | N2322S | 1.5 | 2.35 | 390 | 17.8 | 0.49 | 12 | 11.87 | 5.89 | 0.008 | 12 | 3475x2060x2100 | 6500L/1500R |
C1.5-2.35/0.78 | N233S | 1.5 | 2.35 | 390 | 18.4 | 0.78 | 12 | 12.27 | 5.9 | 0.008 | 12 | 3475x2060x2100 | 6500L/1500R |
C1.5-2.35/0.981 | N234S | 1.5/1.5 | 2.35 | 390 | 19.6 | 0.981 | 12/15 | 13.07 | 5.932 | 0.0079 | 22 | 4320x2560x2830 | QFC-1.5-2 |
C1.5-3.43/0.490 | N2421S | 1.5/1.5 | 3.43 | 435 | 16.1 | 0.49 | 12/15 | 10.73 | 5.6 | 0.0075 | 22.2 | 4238x2560x2663 | QF-1.5-2 |
C3-2.35/0.490 | N332S | 3/3.3 | 2.35 | 390 | 27.1 | 0.49 | 18/20 | 9.03 | 5.12 | 0.0075 | 22 | 4268x2552x2822 | QF-3-2 |
C3-2.35/0.981 | N334S | 3/3.3 | 2.35 | 390 | 34.3 | 0.981 | 20/25 | 11.43 | 5.42 | 0.007 | 22 | 4320x2550x2823 | QF-3-3 |
C3-3.43/0.294 | N341S | 3/3.3 | 3.43 | 435 | 25.3 | 0.294 | 19/23 | 8.43 | 4.74 | 0.0075 | 22.2 | 4320x2558x2830 | QF-3-2 |
C3-3.43/0.490 | N342S | 3/3.3 | 3.43 | 435 | 25.8 | 0.49 | 20/25 | 8.60 | 4.68 | 0.0073 | 22.2 | 4268x2550x2825 | QF-3-2 |
C3-3.43/0.785 | N343S | 3 | 3.43 | 435 | 28 | 0.785 | 20/25 | 9.33 | 4.74 | 0.0073 | 22.2 | 4310x2558x2829 | QF-3-2 |
C3-3.43/0.981 | N344S | 3/3.3 | 3.43 | 435 | 29.3 | 0.981 | 15/19 | 9.77 | 4.748 | 0.0072 | 22 | 4320x2558x2830 | QF-3-2 |
C3-3.43/1.37 | N346S | 3/3.4 | 3.43 | 435 | 30.2 | 1.37 | 20/25 | 10.07 | 4.79 | 0.0068 | 22.2 | 4296x2558x2455 | QF-3-2 |
C3-3.43/1.77 | N348S | 3/3.3 | 3.43 | 435 | 27.35 | 1.77 | 15/20 | 9.12 | 4.62 | 0.0071 | 28 | 4268x2558x2830 | QF-3-2 |
C3-4.9/1.27 | N355S | 3 | 4.9 | 470 | 33.7 | 1.27 | 25/30 | 11.23 | 4.79 | 0.0049 | 23 | 4700x2570x2825 | QF-3-2 |
C6-2.35/0.490 | N432S | 6 | 2.35 | 390 | 52.15 | 0.49 | 34/50 | 8.69 | 5.2 | 0.0071 | 23 | 4248x2558x2450 | QF-6-2 |
C6-3.43/0.490 | N442S | 6/6.6 | 3.43 | 435 | 53.7 | 0.49 | 45/56 | 8.95 | 4.6 | 0.0071 | 22.2 | 4268x2560x2830 | QF-6-2 |
C6-3.43/0.589 | N4431S | 6 | 3.43 | 435 | 50.3 | 0.589 | 35/55 | 8.38 | 4.68 | 0.0071 | 23.2 | 4248x2813x2258 | QF-6-2 |
C6-3.43/0.785 | N443S | 6 | 3.43 | 435 | 59.1 | 0.785 | 45/55 | 9.85 | 4.65 | 0.0068 | 23 | 4248x2813x2258 | QF-6-2 |
C6-3.43/0.981 | N444S | 6/6.6 | 3.43 | 435 | 61.8 | 0.981 | 45/56 | 10.30 | 4.7 | 0.0073 | 22.2 | 4248x2558x2830 | QF-6-2 |
C6-3.43/1.27 | N445S | 6/6.6 | 3.43 | 435 | 64.08 | 1.27 | 45/60 | 10.68 | 4.663 | 0.0073 | 26 | 4296x2560x2450 | QF-6-2 |
C6-3.43/1.57 | N446S | 6 | 3.43 | 435 | 65.3 | 1.57 | 45/60 | 10.88 | 4.61 | 0.007 | 26 | 4296x2560x2450 | QF-6-2 |
C6-4.90/0.490 | N452S | 6/6.6 | 4.9 | 435 | 50 | 0.49 | 40/45 | 8.33 | 4.54 | 0.006 | 29 | 4813x2705x2455 | QF-6-2 |
C6-4.90/0.785 | N4531S | 6 | 4.9 | 470 | 41.18 | 0.785 | 30/40 | 6.86 | 4.3 | 0.0053 | 33 | 4785x2705x2458 | QFW-6-2 |
C6-4.90/0.981 | N454S | 6/6.6 | 4.9 | 435 | 51 | 0.981 | 35/45 | 8.50 | 4.57 | 0.006 | 29 | 4813x2705x2458 | QF-6-2 |
C6-4.90/1.76 | N458S | 6 | 4.9 | 435 | 53.13 | 1.76 | 30/40 | 8.86 | 4.98 | 0.005 | 29 | 4725x2705x2458 | QF-6-2 |
C6-4.90/2.45 | N4591S | 6 | 4.9 | 435 | 66.3 | 2.45 | 45/50 | 11.05 | 4.54 | 0.005 | 33 | 4880x2705x2575 | QF-6-2 |
C7-3.43/0.490 | N5421S | 7 | 3.43 | 435 | 53.3 | 0.49 | 35/45 | 7.61 | 4.58 | 0.0057 | 23 | 4268x2558x2458 | QF-7-2 |
C7-3.43/0.785 | N5431S | 7 | 3.43 | 435 | 56.7 | 0.785 | 35/45 | 8.10 | 4.6 | 0.007 | 23 | 4374x2558x2458 | QF-7-2 |
C7-3.43/1.27 | N5451S | 7 | 3.43 | 435 | 42 | 1.27 | 11/20 | 6.00 | 4.6 | 0.007 | 23 | 4296x2812x2258 | QF-7-2 |
C7.5-3.43/0.490 | N5422S | 7.5 | 3.43 | 435 | 61.3 | 0.49 | 45/55 | 8.17 | 4.65 | 0.007 | 23 | 4250x2558x2452 | QF-7.5-2 |
C7.5-3.43/0.981 | N5441S | 7.5 | 3.43 | 435 | 68 | 0.981 | 45/56 | 9.07 | 4.59 | 0.0062 | 23 | 4375x2558x2458 | QF-7.5-2 |