双吸泵作为离心泵的一种重要形式,因其具有扬程高、流量大等特点,在工程中得到广泛应用。这种泵型的叶轮实际上由两个背靠背的叶轮组合而成,从叶轮流出的水流汇入一个蜗壳中。双吸泵具有如下一些特点:它相当于两个相同直径的单吸叶轮同时工作,在同样的叶轮外径下流量可增大一倍;泵壳水平中开,检查和维修方便,同时,双吸泵进出口在同一方向上且垂直于泵轴,利于泵和进出水管的布置与安装;双吸泵的叶轮结构对称,没有轴向力,运行较平稳。在我国黄河沿线地区提灌泵站流量较大、扬程都较高,大多采用双吸离心泵。南水北调中线惠南庄泵站也采用了双吸泵进行供水。
产品简介
sh型双吸清水离心泵的吸入口与吐出口均在水泵轴心线下方,水平方向与轴线成垂直位置、泵壳中开,检修时无需拆卸进水,排出管路及电动机(或其他原动机)从联轴器向泵的方向看去,水泵均为逆时针方向旋转。如根据用户特殊订货需要也可改为顺时针旋转。本型泵的主要另件有:泵体、泵盖、叶轮、轴、双吸密封环、轴套、轴承等。除轴的材料为优质碳素钢外,其馀多为铸铁制成。泵体与泵盖构成叶轮的工作室,在进出水法兰上制有安装真空表和压力表的管螺孔,进出水法兰的下吝降制有放水的管螺孔。叶轮经过静平衡校验,用轴套和两侧的轴套螺母固定,其轴向位置可以通过轴套螺母进行调整,叶轮的轴向力利用其叶片的对称布置达到平衡,可能还有一些剩馀轴向力则同轴端的轴承承受。泵轴由两个单列向心球轴承支承,轴承装在泵体两端的轴承体内,用黄油润滑,双吸密封环用以减少水泵压水室的水漏回吸水室。水泵通过联轴器由电动机直接传动.轴封为软填料密封,为了冷却润滑密封腔和防止空气漏入泵内,在填料之间有水封环,水泵工作时少量高压水通过水封管流入填料腔起水封作用。
产品性能参数
型号 |
流量 q |
扬程 h |
转速 n |
功率 (kw) |
效率η |
汽蚀余量 (npsh)r(m) |
备注 |
|
轴功率 |
电机功率 |
|||||||
100s90 |
80 |
90 |
2950 |
30.1 |
37 |
65 |
2.5 |
|
100s90a |
72 |
75 |
23 |
30 |
64 |
2.5 |
|
|
150s100 |
160 |
100 |
59.8 |
75 |
73 |
3.5 |
|
|
150s78 |
160 |
78 |
45 |
55 |
73.5 |
3.5 |
6sh-6 |
|
150s78a |
144 |
62 |
33.8 |
45 |
72 |
3.5 |
6sh-6 a |
|
150s50 |
160 |
50 |
27.3 |
37 |
80 |
3.9 |
6sh-9 |
|
150s50a |
144 |
40 |
20.9 |
30 |
75 |
3.9 |
6sh-9 a |
|
150s50b |
133 |
36 |
18.6 |
22 |
70 |
3.9 |
6sh-9b |
|
200s95a |
280 |
95 |
91.7 |
110 |
79.2 |
5.3 |
8sh-6a |
|
200s95b |
270 |
75 |
73.5 |
90 |
75 |
5.3 |
8sh-6b |
|
200s63 |
280 |
63 |
58.3 |
75 |
82.7 |
5.8 |
8sh-9 |
|
200s63a |
270 |
46 |
45.1 |
55 |
75 |
5.8 |
8sh-9 a |
|
200s42 |
280 |
42 |
38.1 |
45 |
84.2 |
6 |
8sh-13 |
|
200s42a |
270 |
36 |
33.1 |
37 |
80 |
6 |
8sh-13a |
|
250s65 |
485 |
65 |
1450 |
109 |
132 |
78.6 |
3 |
10sh-6 |
250s65a |
468 |
54 |
89.4 |
110 |
77 |
3 |
10sh-6a |
|
250s39 |
485 |
39 |
61.5 |
75 |
83.6 |
3.2 |
10sh-9 |
|
250s39a |
468 |
30.5 |
49.3 |
55 |
79 |
3.2 |
10sh-9 a |
|
250s24 |
485 |
24 |
36.9 |
45 |
85.8 |
3.5 |
10sh-13 |
|
250s24a |
414 |
20.3 |
27.6 |
37 |
83 |
3.5 |
10sh-13 a |
|
250s14 |
485 |
14 |
21.5 |
30 |
85.8 |
3.8 |
10sh-19 |
|
250s14a |
432 |
11 |
15.8 |
18.5 |
82 |
3.8 |
10sh-19a |
|
300s110 |
790 |
110 |
295.7 |
440 |
80 |
4 |
|
|
300s90 |
790 |
90 |
242.8 |
315 |
79.6 |
4 |
12sh-6 |
|
300s90a |
756 |
78 |
217 |
280 |
74 |
4 |
12sh-6 a |
|
300s90b |
720 |
67 |
180 |
220 |
73 |
4 |
12-sh6b |
|
300s58 |
790 |
58 |
149.9 |
180 |
84.2 |
4.4 |
12sh-9 |
|
300s58a |
720 |
49 |
118.6 |
160 |
81 |
4.4 |
12sh-9a |
|
300s58b |
684 |
43 |
100 |
132 |
80 |
4.4 |
12sh-9b |
|
300s32 |
790 |
32 |
79.2 |
110 |
86.8 |
4.6 |
12sh- 13 |
|
300s32a |
720 |
26 |
60.7 |
75 |
84 |
4.6 |
12sh-13a |
|
300s19 |
790 |
19 |
47 |
55 |
86.8 |
5.2 |
12sh- 19 |
|
300s19a |
720 |
16 |
39.2 |
45 |
80 |
5.2 |
12sh-19a |
|
300s12 |
790 |
12 |
30.4 |
37 |
84.8 |
5.5 |
12sh-28 |
|
300s12a |
684 |
10 |
3.9 |
30 |
78 |
5.5 |
12sh-28 a |
|
350s125 |
1260 |
125 |
534 |
710 |
80.5 |
5.4 |
14sh-6 |
|
350s125a |
1181 |
112 |
462 |
630 |
78 |
5.4 |
14sh-6a |
|
350s125b |
1098 |
96 |
373 |
500 |
77 |
5.4 |
14sh-6b |
|
350s75 |
1260 |
75 |
303 |
355 |
85.2 |
5.8 |
14sh-9 |
|
350s75a |
1170 |
65 |
247 |
280 |
84 |
5.8 |
14sh-9a |
|
350s75b |
1080 |
55 |
197 |
220 |
82 |
5.8 |
14sh-9b |
|
350s44 |
1260 |
44 |
173 |
220 |
87.5 |
6.3 |
14sh-13 |
|
350s44a |
1116 |
36 |
131 |
160 |
84 |
6.3 |
14sh-13a |
|
350s26 |
1260 |
26 |
102 |
132 |
87.5 |
6.7 |
14sh-19 |
|
350s26a |
1116 |
21.5 |
78.8 |
90 |
83 |
6.7 |
14sh-19a |
|
350s16 |
1260 |
16 |
64.5 |
75 |
85.3 |
7.1 |
14sh-28 |
|
350s16a |
1044 |
13.4 |
48.8 |
55 |
48 |
7.1 |
14sh-28a |
|
500s98 |
2020 |
95 |
970 |
678 |
800 |
79.5 |
4 |
20sh-6 |
500s98a |
1872 |
83 |
540 |
630 |
78.5 |
4 |
20sh-6a |
|
500s98b |
1746 |
74 |
452 |
560 |
78 |
4 |
20sh-6b |
|
500s59 |
2020 |
59 |
391 |
450 |
83 |
4.5 |
20sh-9 |
|
500s59a |
1872 |
49 |
333 |
400 |
75 |
4.5 |
20sh-9a |
|
500s59b |
1746 |
40 |
257 |
315 |
74 |
4.5 |
20sh-9b |
|
500s35 |
2020 |
35 |
219 |
280 |
88 |
4.8 |
20sh-13 |
|
500s35a |
1746 |
27 |
151 |
220 |
85 |
4.8 |
20sh-13a |
|
500s22 |
2020 |
22 |
144.1 |
185 |
84 |
5.2 |
20sh-19 |
|
500s22a |
1746 |
17 |
101 |
132 |
80 |
5.2 |
20sh-19a |
|
500s13 |
2020 |
13 |
86.2 |
110 |
83 |
5.7 |
20sh-28 |
|
600s75 |
3170 |
75 |
727 |
800 |
89 |
7.5 |
24sh-9 |
|
600s75a |
2880 |
65 |
580 |
630 |
88 |
7.5 |
24sh-9a |
|
600s47 |
3170 |
47 |
465 |
560 |
88 |
7.5 |
24sh-13 |
|
600s32 |
3170 |
32 |
310 |
400 |
89 |
7.5 |
24sh-19 |
|
600s32a |
2880 |
27 |
238 |
280 |
89 |
7.5 |
24sh-19a |
|
600s22 |
3170 |
22 |
223 |
280 |
85 |
7.5 |
24sh-28 |
|
600s22a |
2880 |
18.2 |
168.5 |
200 |
84.5 |
7.5 |
24sh-28a |
|
800s32 |
5500 |
32 |
730 |
700 |
|
84 |
|
32sh-19 |
800s-32a |
5310 |
29 |
570 |
|
84 |
|
32sh-19 a |
本产品的品牌是辰龙,型号是500S-59,材质是铸铁,性能是无泄露,用途是增压泵,驱动方式是电动,输送介质是清水泵,泵轴位置是卧式,叶轮结构是封闭式叶轮,叶轮吸入方式是单吸式,流量是2016(m3/h),扬程是59(m),汽蚀余量是4(m),级数是单级