结构特点
(1)叶轮由12片后倾翼形叶片钢板制造,经静动平衡校正,空气性能良好、效率高、运转平稳。
(2)机壳是用普通钢板焊接而成的蜗行体。
(3)进风口制成收敛式流线型整体结构,装于风机的侧面;与轴向平行的截面为曲线形状,能使气体顺利进入叶轮,且损失较小。
(4)传动部分由主轴、轴承箱、滚动轴承、带轮或联轴器组成。
4-68型离心通风机性能与选用件表
机号 No. |
转速 r/min |
全压 pa |
流量 M³/h |
内效率 % |
内功率 KW |
所需功率 KW |
电动机 |
|
型号 |
功率kw |
|||||||
3.15A |
2900 |
1246 |
1825 |
79.9 |
0.79 |
1.11 |
Y90S-2 |
1.5 |
1246 |
2093 |
84.3 |
0.86 |
1.2 |
||||
1226 |
2362 |
87.3 |
0.92 |
1.29 |
||||
1177 |
2630 |
88.6 |
0.97 |
1.36 |
||||
1098 |
2899 |
87 |
1.02 |
1.37 |
||||
981 |
3167 |
81.3 |
1.06 |
1.38 |
||||
853 |
3435 |
75.2 |
1.08 |
1.4 |
||||
4A |
2900 |
2069 |
3984 |
82.3 |
2.78 |
3.34 |
Y112M-2 |
4 |
2060 |
4534 |
86.2 |
3.01 |
3.61 |
||||
2010 |
5083 |
88.9 |
3.19 |
3.83 |
||||
1932 |
5633 |
90. |
3.36 |
4.03 |
||||
1795 |
6182 |
88.6 |
3.48 |
4.18 |
||||
1628 |
6732 |
83.6 |
3.46 |
4.37 |
||||
1432 |
7281 |
78.2 |
3.7 |
4.44 |
||||
5A |
2900 |
3315 |
8050 |
84.2 |
8.8 |
10.12 |
Y160M2-2 |
15 |
3266 |
9123 |
87.6 |
9.44 |
10.86 |
||||
3187 |
10197 |
90 |
10.03 |
11.53 |
||||
3050 |
11270 |
91 |
10.49 |
12.06 |
||||
2844 |
12343 |
89.8 |
10.86 |
12.49 |
||||
2589 |
13416 |
85.3 |
0.83 |
1.16 |
||||
2305 |
14490 |
79.4 |
0.85 |
1.19 |
||||
6.3D |
1450 |
1324 |
8320 |
84.8 |
3.61 |
4.42 |
Y132S-4 |
5.5 |
1304 |
9393 |
88.1 |
3.86 |
4.73 |
||||
1275 |
10467 |
90.5 |
4.09 |
5.01 |
||||
1216 |
11540 |
91.4 |
4.26 |
5.22 |
||||
1138 |
12614 |
90.2 |
4.42 |
5.41 |
||||
1040 |
13687 |
85.9 |
4.6 |
5.63 |
||||
922 |
14761 |
81.3 |
4.65 |
5.69 |
||||
8D |
1450 |
2158 |
17585 |
85.7 |
12.29 |
14.4 |
Y180M-4 |
18.5 |
2118 |
19783 |
88.8 |
13.1 |
15.4 |
||||
2060 |
21982 |
91 |
13.81 |
16.2 |
||||
1971 |
24179 |
91.9 |
14.4 |
16.9 |
||||
1844 |
26378 |
90.8 |
14.87 |
17.4 |
||||
1677 |
28576 |
86.7 |
15.35 |
18 |
||||
1501 |
30774 |
82.4 |
15.56 |
18.3 |
||||
10D |
1450 |
3442 |
35420 |
87.6 |
38.6 |
45.3 |
Y250M-4 |
55 |
3364 |
39713 |
90.3 |
41.1 |
48.2 |
||||
3266 |
44006 |
92.2 |
43.3 |
50.8 |
||||
3109 |
48299 |
93 |
44.8 |
52.6 |
||||
2923 |
52593 |
92 |
46.4 |
54.4 |
||||
2687 |
56886 |
88.5 |
48 |
56.3 |
||||
2422 |
61179 |
84.7 |
48.6 |
57 |
||||
12.5D |
960 |
2354 |
45800 |
87.6 |
34.2 |
40.13 |
Y280M-6 |
55 |
2305 |
51353 |
90.3 |
36.4 |
42.71 |
||||
2236 |
56904 |
92.2 |
38.32 |
44.97 |
||||
2128 |
62456 |
93 |
39.69 |
46.58 |
||||
2001 |
68008 |
92 |
41.07 |
48.19 |
||||
1834 |
73559 |
88.5 |
42.33 |
49.67 |
||||
1657 |
79111 |
84.7 |
42.99 |
50.45 |
||||
6.3C |
2240 |
3159 |
12852 |
84.8 |
13.29 |
16.09 |
Y180M-2 |
22 |
3109 |
14511 |
88.1 |
14.22 |
17.21 |
||||
3030 |
16169 |
90.5 |
15.03 |
18.19 |
||||
2893 |
17828 |
91.4 |
15.67 |
18.96 |
||||
2707 |
19486 |
90.2 |
16.24 |
19.65 |
||||
2491 |
21144 |
85.9 |
16.89 |
20.44 |
||||
2197 |
22803 |
81.3 |
17.11 |
20.8 |
||||
6.3C |
2000 |
2511 |
11476 |
84.8 |
9.43 |
11.42 |
Y160M2-2 |
15 |
2481 |
12956 |
88.1 |
9.43 |
12.27 |
||||
2413 |
14437 |
90.5 |
10.69 |
12.94 |
||||
2305 |
15917 |
91.4 |
11.15 |
13.49 |
||||
2158 |
17398 |
90.2 |
11.56 |
14 |
||||
1971 |
18879 |
85.9 |
12.03 |
14.56 |
||||
1756 |
20359 |
81.3 |
12.21 |
14.78 |
||||
8C |
1800 |
3315 |
21830 |
85.7 |
23.45 |
28.4 |
Y200L2-2 |
37 |
3266 |
24559 |
88.8 |
25.08 |
30.4 |
||||
3178 |
27288 |
91 |
26.46 |
32 |
||||
3030 |
30016 |
91.9 |
27.48 |
33.3 |
||||
2834 |
32745 |
90.8 |
28.38 |
34.4 |
||||
2589 |
35474 |
86.7 |
29.42 |
35.61 |
||||
2315 |
38202 |
82.4 |
29.8 |
36.1 |
||||
8C |
1600 |
2619 |
19404 |
84.8 |
16.46 |
19.93 |
Y200L1-2 |
30 |
2579 |
21830 |
88.1 |
17.61 |
21.3 |
||||
2511 |
24256 |
90.5 |
18.58 |
22.5 |
||||
2393 |
26681 |
91.4 |
19.29 |
23.4 |
||||
2236 |
29108 |
90.2 |
19.9 |
24.1 |
||||
2050 |
31532 |
85.9 |
20.7 |
25.1 |
||||
1834 |
33958 |
81.3 |
20.98 |
25.4 |
||||
10C |
1250 |
2560 |
30534 |
87.6 |
24.8 |
30 |
Y225S-4 |
37 |
2501 |
34235 |
90.3 |
36.3 |
31.9 |
||||
2422 |
37936 |
92.2 |
27.7 |
33.5 |
||||
2315 |
41637 |
93 |
28.8 |
34.8 |
||||
2167 |
45338 |
92 |
29.7 |
35.9 |
||||
1991 |
49040 |
88.5 |
30.6 |
37.1 |
||||
1795 |
52740 |
84.7 |
31 |
37.6 |
||||
12.5C |
1120 |
3207 |
53434 |
87.6 |
54.32 |
68.76 |
Y280S-4 |
75 |
3138 |
59912 |
90.3 |
57.82 |
69.99 |
||||
3040 |
66388 |
92.2 |
60.79 |
73.59 |
||||
2903 |
72865 |
93 |
63.16 |
76.45 |
Y280M-4 |
90 |
||
2717 |
79342 |
92 |
65.06 |
78.75 |
||||
2501 |
85819 |
88.5 |
67.34 |
81.51 |
||||
2256 |
92296 |
84.7 |
68.25 |
82.62 |
||||
12.5C |
1000 |
2560 |
47710 |
87.6 |
38.71 |
46.86 |
Y250M-4 |
55 |
2501 |
53492 |
90.3 |
41.14 |
49.8 |
||||
2422 |
59276 |
92.2 |
43.25 |
52.35 |
||||
2315 |
65058 |
93 |
44.96 |
54.43 |
||||
2167 |
70841 |
92 |
46.34 |
56.1 |
Y280S-4 |
75 |
||
1991 |
76624 |
88.5 |
47.86 |
57.94 |
||||
1795 |
82407 |
84.7 |
48.49 |
58.7 |