|
四、1999年200兆瓦及以上容量火电机组主要辅助设备运行可靠性指标
200兆瓦及以上容量火电机组主要辅助设备是指磨煤机、给水泵组、送风机、引风机和高压加热器,其近五年运行可靠性指标如下:
|
辅助设备分类
|
统计台数(台)
|
运行系数
(%)
|
可用系数
(%)
|
计划停运系数(%)
|
非计划停运系数
(%)
|
非计划停运率
(%)
|
|
磨煤机
|
1995
|
919
|
62.787
|
87.884
|
10.386
|
1.730
|
2.681
|
|
1996
|
1054
|
62.859
|
88.065
|
10.446
|
1.489
|
2.314
|
|
1997
|
1197
|
60.292
|
88.926
|
9.733
|
1.341
|
2.176
|
|
1998
|
1366
|
55.172
|
89.600
|
9.554
|
8.498
|
1.517
|
|
1999
|
1523
|
51.776
|
90.768
|
8.488
|
0.744
|
1.417
|
|
给水泵组
|
1995
|
665
|
49.566
|
89.827
|
8.778
|
1.396
|
2.738
|
|
1996
|
739
|
49.280
|
89.683
|
9.128
|
1.189
|
2.356
|
|
1997
|
837
|
49.436
|
90.879
|
8.157
|
0.964
|
1.913
|
|
1998
|
922
|
47.130
|
90.786
|
8.347
|
0.870
|
1.806
|
|
1999
|
1036
|
45.982
|
91.974
|
7.384
|
0.641
|
1.376
|
|
送风机
|
1995
|
497
|
79.586
|
91.239
|
8.668
|
0.093
|
0.117
|
|
1996
|
557
|
79.436
|
90.847
|
9.044
|
0.109
|
0.137
|
|
1997
|
623
|
78.697
|
91.627
|
8.284
|
0.089
|
0.113
|
|
1998
|
687
|
74.290
|
91.736
|
8.160
|
0.105
|
0.141
|
|
1999
|
760
|
72.954
|
92.792
|
7.147
|
0.062
|
0.084
|
|
引风机
|
1995
|
503
|
80.068
|
91.208
|
8.633
|
0.159
|
0.198
|
|
1996
|
564
|
79.992
|
90.746
|
9.087
|
0.168
|
0.209
|
|
1997
|
631
|
79.353
|
91.582
|
8.314
|
0.104
|
0.131
|
|
1998
|
696
|
75.216
|
91.706
|
8.181
|
0.113
|
0.150
|
|
1999
|
771
|
73.482
|
92.775
|
7.153
|
0.072
|
0.098
|
|
高压加热器
|
1995
|
754
|
73.494
|
88.944
|
8.671
|
2.386
|
3.144
|
|
1996
|
837
|
74.366
|
88.723
|
9.087
|
2.191
|
2.861
|
|
1997
|
929
|
74.942
|
90.472
|
7.864
|
1.664
|
2.172
|
|
1998
|
1026
|
71.396
|
90.916
|
8.168
|
0.916
|
1.267
|
|
1999
|
1142
|
70.143
|
91.642
|
7.616
|
0.742
|
1.047
|
|
|
|
|
|
|
|
|
|
|