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SMH120R46E6.7W23三螺桿泵中標(biāo)新疆廣匯煤炭清潔煉化有限責(zé)任公司煤瀝青裝置泵
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SMH120R46E6.7W23三螺桿泵是我公司sm三螺桿泵中的一種型號,該三螺桿泵為臥式地腳安裝泵采用外置軸承,該軸承形式為可用潤滑噴嘴注潤滑脂機(jī)械密封.適合輸送介質(zhì)潤滑性較差,工作溫度<=150.,該泵泵體采用球鐵材質(zhì)襯套為ZCuSn5Pb5Zn5.
SMH120R46E6.7W23三螺桿泵性能參數(shù)表:
SM120-46 |
1 |
3 |
950 |
3.4 |
1.51 |
2.2 |
SM120-46 |
1 |
6 |
950 |
3.6 |
1.51 |
2.2 |
SM120-46 |
1 |
12 |
950 |
3.8 |
1.51 |
2.2 |
SM120-46 |
1 |
20 |
950 |
3.9 |
1.51 |
2.2 |
SM120-46 |
1 |
40 |
950 |
4 |
1.51 |
2.2 |
SM120-46 |
1 |
75 |
950 |
4 |
1.64 |
2.2 |
SM120-46 |
1 |
150 |
950 |
4.1 |
1.8 |
2.2 |
SM120-46 |
1 |
380 |
950 |
4.1 |
2.01 |
2.2 |
SM120-46 |
1 |
760 |
950 |
4.2 |
2.24 |
3 |
SM120-46 |
1 |
3 |
1450 |
5.6 |
2.49 |
3 |
SM120-46 |
1 |
6 |
1450 |
5.9 |
2.49 |
3 |
SM120-46 |
1 |
12 |
1450 |
6 |
2.49 |
3 |
SM120-46 |
1 |
20 |
1450 |
6.1 |
2.49 |
3 |
SM120-46 |
1 |
40 |
1450 |
6.2 |
2.49 |
3 |
SM120-46 |
1 |
75 |
1450 |
6.3 |
2.78 |
3 |
SM120-46 |
1 |
150 |
1450 |
6.3 |
3.15 |
4 |
SM120-46 |
1 |
380 |
1450 |
6.3 |
3.66 |
4 |
SM120-46 |
1 |
760 |
1450 |
6.4 |
4.18 |
5.5 |
SM120-46 |
1 |
3 |
2900 |
12.1 |
6.01 |
7.5 |
SM120-46 |
1 |
6 |
2900 |
12.3 |
6.01 |
7.5 |
SM120-46 |
1 |
20 |
2900 |
12.5 |
6.01 |
7.5 |
SM120-46 |
1 |
40 |
2900 |
12.6 |
6.48 |
7.5 |
SM120-46 |
1 |
75 |
2900 |
12.7 |
7.17 |
11 |
SM120-46 |
1 |
150 |
2900 |
12.7 |
8.65 |
11 |
SM120-46 |
1 |
380 |
2900 |
12.8 |
10.69 |
11 |
SM120-46 |
1 |
760 |
2900 |
12.8 |
12.77 |
15 |
SM120-46 |
2 |
3 |
950 |
2.8 |
2.8 |
3 |
SM120-46 |
2 |
6 |
950 |
3.2 |
2.8 |
3 |
SM120-46 |
2 |
12 |
950 |
3.4 |
2.8 |
3 |
SM120-46 |
2 |
20 |
950 |
3.6 |
2.8 |
3 |
SM120-46 |
2 |
40 |
950 |
3.8 |
2.8 |
3 |
SM120-46 |
2 |
75 |
950 |
3.9 |
2.92 |
3 |
SM120-46 |
2 |
150 |
950 |
4 |
3.08 |
4 |
SM120-46 |
2 |
380 |
950 |
4.1 |
3.3 |
4 |
SM120-46 |
2 |
760 |
950 |
4.1 |
3.53 |
4 |
SM120-46 |
2 |
3 |
1450 |
5 |
4.45 |
5.5 |
SM120-46 |
2 |
6 |
1450 |
5.4 |
4.45 |
5.5 |
SM120-46 |
2 |
12 |
1450 |
5.6 |
4.45 |
5.5 |
SM120-46 |
2 |
20 |
1450 |
5.8 |
4.45 |
5.5 |
SM120-46 |
2 |
40 |
1450 |
6 |
4.45 |
5.5 |
SM120-46 |
2 |
75 |
1450 |
6.1 |
4.74 |
5.5 |
SM120-46 |
2 |
150 |
1450 |
6.2 |
5.11 |
5.5 |
SM120-46 |
2 |
380 |
1450 |
6.3 |
5.62 |
7.5 |
SM120-46 |
2 |
760 |
1450 |
6.3 |
6.14 |
7.5 |
SM120-46 |
2 |
3 |
2900 |
11.4 |
9.95 |
11 |
SM120-46 |
2 |
6 |
2900 |
11.8 |
9.95 |
11 |
SM120-46 |
2 |
20 |
2900 |
12.3 |
9.95 |
11 |
SM120-46 |
2 |
40 |
2900 |
12.4 |
10.41 |
15 |
SM120-46 |
2 |
75 |
2900 |
12.6 |
11.11 |
15 |
SM120-46 |
2 |
150 |
2900 |
12.6 |
12.59 |
15 |
SM120-46 |
2 |
380 |
2900 |
12.7 |
14.63 |
15 |
SM120-46 |
2 |
760 |
2900 |
12.8 |
16.71 |
18.5 |
SM120-46 |
3 |
3 |
950 |
2.2 |
4.09 |
5.5 |
SM120-46 |
3 |
6 |
950 |
2.7 |
4.09 |
5.5 |
SM120-46 |
3 |
12 |
950 |
3.1 |
4.09 |
5.5 |
SM120-46 |
3 |
20 |
950 |
3.4 |
4.09 |
5.5 |
SM120-46 |
3 |
40 |
950 |
3.6 |
4.09 |
5.5 |
SM120-46 |
3 |
75 |
950 |
3.8 |
4.21 |
5.5 |
SM120-46 |
3 |
150 |
950 |
3.9 |
4.37 |
5.5 |
SM120-46 |
3 |
380 |
950 |
4 |
4.59 |
5.5 |
SM120-46 |
3 |
760 |
950 |
4 |
4.81 |
5.5 |
SM120-46 |
3 |
3 |
1450 |
4.4 |
6.42 |
7.5 |
SM120-46 |
3 |
6 |
1450 |
5 |
6.42 |
7.5 |
SM120-46 |
3 |
12 |
1450 |
5.3 |
6.42 |
7.5 |
SM120-46 |
3 |
20 |
1450 |
5.6 |
6.42 |
7.5 |
SM120-46 |
3 |
40 |
1450 |
5.8 |
6.42 |
7.5 |
SM120-46 |
3 |
75 |
1450 |
6 |
6.71 |
7.5 |
SM120-46 |
3 |
150 |
1450 |
6.1 |
7.08 |
7.5 |
SM120-46 |
3 |
380 |
1450 |
6.2 |
7.59 |
11 |
SM120-46 |
3 |
760 |
1450 |
6.3 |
8.11 |
11 |
SM120-46 |
3 |
3 |
2900 |
10.9 |
13.88 |
15 |
SM120-46 |
3 |
6 |
2900 |
11.4 |
13.88 |
15 |
SM120-46 |
3 |
20 |
2900 |
12 |
13.88 |
15 |
SM120-46 |
3 |
40 |
2900 |
12.2 |
14.35 |
18.5 |
SM120-46 |
3 |
75 |
2900 |
12.4 |
15.04 |
18.5 |
SM120-46 |
3 |
150 |
2900 |
12.5 |
16.52 |
18.5 |
SM120-46 |
3 |
380 |
2900 |
12.6 |
18.56 |
22 |
SM120-46 |
3 |
760 |
2900 |
12.7 |
20.64 |
22 |
SM120-46 |
4 |
12 |
950 |
2.8 |
5.38 |
5.5 |
SM120-46 |
4 |
20 |
950 |
3.1 |
5.38 |
5.5 |
SM120-46 |
4 |
40 |
950 |
3.4 |
5.38 |
5.5 |
SM120-46 |
4 |
75 |
950 |
3.6 |
5.5 |
5.5 |
SM120-46 |
4 |
150 |
950 |
3.8 |
5.66 |
7.5 |
SM120-46 |
4 |
380 |
950 |
3.9 |
5.88 |
7.5 |
SM120-46 |
4 |
760 |
950 |
4 |
6.1 |
7.5 |
SM120-46 |
4 |
12 |
1450 |
5 |
8.39 |
11 |
SM120-46 |
4 |
20 |
1450 |
5.3 |
8.39 |
11 |
SM120-46 |
4 |
40 |
1450 |
5.6 |
8.39 |
11 |
SM120-46 |
4 |
75 |
1450 |
5.9 |
8.68 |
11 |
SM120-46 |
4 |
150 |
1450 |
6 |
9.05 |
11 |
SM120-46 |
4 |
380 |
1450 |
6.1 |
9.56 |
11 |
SM120-46 |
4 |
760 |
1450 |
6.2 |
10.08 |
11 |
SM120-46 |
4 |
3 |
2900 |
10.3 |
17.81 |
18.5 |
SM120-46 |
4 |
6 |
2900 |
11 |
17.81 |
18.5 |
SM120-46 |
4 |
20 |
2900 |
11.8 |
17.81 |
18.5 |
SM120-46 |
4 |
40 |
2900 |
12.1 |
18.28 |
22 |
SM120-46 |
4 |
75 |
2900 |
12.3 |
19.97 |
22 |
SM120-46 |
4 |
150 |
2900 |
12.4 |
20.45 |
22 |
SM120-46 |
4 |
380 |
2900 |
12.6 |
22.49 |
30 |
SM120-46 |
4 |
760 |
2900 |
12.7 |
24.57 |
30 |
SM120-46 |
5 |
20 |
950 |
2.9 |
6.67 |
7.5 |
SM120-46 |
5 |
40 |
950 |
3.2 |
6.67 |
7.5 |
SM120-46 |
5 |
75 |
950 |
3.5 |
6.79 |
7.5 |
SM120-46 |
5 |
150 |
950 |
3.7 |
6.95 |
7.5 |
SM120-46 |
5 |
380 |
950 |
3.9 |
7.17 |
7.5 |
SM120-46 |
5 |
760 |
950 |
3.9 |
7.39 |
7.5 |
SM120-46 |
5 |
20 |
1450 |
5.1 |
10.35 |
11 |
SM120-46 |
5 |
40 |
1450 |
5.5 |
10.35 |
11 |
SM120-46 |
5 |
75 |
1450 |
5.7 |
10.64 |
11 |
SM120-46 |
5 |
150 |
1450 |
5.9 |
11.01 |
15 |
SM120-46 |
5 |
380 |
1450 |
6.1 |
11.52 |
15 |
SM120-46 |
5 |
760 |
1450 |
6.2 |
12.04 |
15 |
SM120-46 |
5 |
3 |
2900 |
9.8 |
21.75 |
22 |
SM120-46 |
5 |
6 |
2900 |
10.6 |
21.75 |
22 |
SM120-46 |
5 |
20 |
2900 |
11.6 |
21.75 |
22 |
SM120-46 |
5 |
40 |
2900 |
11.9 |
22.21 |
30 |
SM120-46 |
5 |
75 |
2900 |
12.2 |
22.91 |
30 |
SM120-46 |
5 |
150 |
2900 |
12.3 |
24.39 |
30 |
SM120-46 |
5 |
380 |
2900 |
12.5 |
26.43 |
30 |
SM120-46 |
5 |
760 |
2900 |
12.6 |
28.51 |
30 |
SM120-46 |
6 |
40 |
950 |
3.1 |
7.95 |
11 |
SM120-46 |
6 |
75 |
950 |
3.4 |
8.08 |
11 |
SM120-46 |
6 |
150 |
950 |
3.6 |
8.24 |
11 |
SM120-46 |
6 |
380 |
950 |
3.8 |
8.46 |
11 |
SM120-46 |
6 |
760 |
950 |
3.9 |
8.68 |
11 |
SM120-46 |
6 |
40 |
1450 |
5.3 |
12.32 |
15 |
SM120-46 |
6 |
75 |
1450 |
5.6 |
12.61 |
15 |
SM120-46 |
6 |
150 |
1450 |
5.8 |
12.98 |
15 |
SM120-46 |
6 |
380 |
1450 |
6 |
13.49 |
15 |
SM120-46 |
6 |
760 |
1450 |
6.1 |
14.01 |
15 |
SM120-46 |
6 |
20 |
2900 |
11.3 |
25.68 |
30 |
SM120-46 |
6 |
40 |
2900 |
11.7 |
26.25 |
30 |
SM120-46 |
6 |
75 |
2900 |
12.1 |
26.84 |
30 |
SM120-46 |
6 |
150 |
2900 |
12.3 |
28.32 |
37 |
SM120-46 |
6 |
380 |
2900 |
12.5 |
30.36 |
37 |
SM120-46 |
6 |
760 |
2900 |
12.6 |
32.44 |
37 |
SM120-46 |
7 |
40 |
950 |
2.9 |
9.24 |
11 |
SM120-46 |
7 |
75 |
950 |
3.3 |
9.37 |
11 |
SM120-46 |
7 |
150 |
950 |
3.5 |
9.53 |
11 |
SM120-46 |
7 |
380 |
950 |
3.7 |
9.74 |
11 |
SM120-46 |
7 |
760 |
950 |
3.9 |
9.97 |
11 |
SM120-46 |
7 |
40 |
1450 |
5.1 |
14.29 |
15 |
SM120-46 |
7 |
75 |
1450 |
5.5 |
14.58 |
15 |
SM120-46 |
7 |
150 |
1450 |
5.7 |
14.95 |
15 |
SM120-46 |
7 |
380 |
1450 |
6 |
15.46 |
18.5 |
SM120-46 |
7 |
760 |
1450 |
6.1 |
15.98 |
18.5 |
SM120-46 |
7 |
20 |
2900 |
11.1 |
29.61 |
30 |
SM120-46 |
7 |
40 |
2900 |
11.6 |
30.08 |
37 |
SM120-46 |
7 |
75 |
2900 |
11.9 |
30.77 |
37 |
SM120-46 |
7 |
380 |
2900 |
12.4 |
34.29 |
37 |
SM120-46 |
7 |
760 |
2900 |
12.5 |
36.37 |
37 |
SM120-46 |
8 |
75 |
950 |
3.2 |
10.7 |
11 |
SM120-46 |
8 |
150 |
950 |
3.4 |
10.8 |
11 |
SM120-46 |
8 |
380 |
950 |
3.7 |
11 |
11 |
SM120-46 |
8 |
760 |
950 |
3.8 |
11.26 |
15 |
SM120-46 |
8 |
75 |
1450 |
5.4 |
16.54 |
18.5 |
SM120-46 |
8 |
150 |
1450 |
5.6 |
16.91 |
18.5 |
SM120-46 |
8 |
380 |
1450 |
5.9 |
17.42 |
18.5 |
SM120-46 |
8 |
760 |
1450 |
6 |
17.94 |
18.5 |
SM120-46 |
8 |
20 |
2900 |
10.9 |
33.55 |
37 |
SM120-46 |
8 |
40 |
2900 |
11.4 |
34.01 |
37 |
SM120-46 |
8 |
75 |
2900 |
11.8 |
34.71 |
37 |
SM120-46 |
8 |
150 |
2900 |
12.2 |
32.25 |
37 |
SM120-46 |
8 |
380 |
2900 |
12.3 |
38.23 |
45 |
SM120-46 |
8 |
760 |
2900 |
12.5 |
40.31 |
45 |
SM120-46 |
9 |
150 |
950 |
3.3 |
12.1 |
15 |
SM120-46 |
9 |
380 |
950 |
3.6 |
12.3 |
15 |
SM120-46 |
9 |
760 |
950 |
3.8 |
12.55 |
15 |
SM120-46 |
9 |
150 |
1450 |
5.6 |
18.88 |
22 |
SM120-46 |
9 |
380 |
1450 |
5.8 |
19.39 |
22 |
SM120-46 |
9 |
760 |
1450 |
6 |
19.91 |
22 |
SM120-46 |
9 |
40 |
2900 |
11.3 |
37.48 |
45 |
SM120-46 |
9 |
75 |
2900 |
11.7 |
38.64 |
45 |
SM120-46 |
9 |
150 |
2900 |
12 |
40.12 |
45 |
SM120-46 |
9 |
380 |
2900 |
12.3 |
42.16 |
45 |
SM120-46 |
9 |
760 |
2900 |
12.4 |
44.24 |
45 |
SM120-46 |
10 |
150 |
950 |
3.3 |
13.4 |
15 |
SM120-46 |
10 |
380 |
950 |
3.6 |
13.6 |
15 |
SM120-46 |
10 |
760 |
950 |
3.7 |
13.83 |
15 |
SM120-46 |
10 |
150 |
1450 |
5.5 |
20.85 |
22 |
SM120-46 |
10 |
380 |
1450 |
5.8 |
21.36 |
22 |
SM120-46 |
10 |
760 |
1450 |
5.9 |
21.88 |
22 |
SM120-46 |
10 |
75 |
2900 |
11.6 |
42.57 |
45 |
SM120-46 |
10 |
150 |
2900 |
11.9 |
44.05 |
55 |
SM120-46 |
10 |
380 |
2900 |
12.2 |
46.09 |
55 |
SM120-46 |
10 |
760 |
2900 |
12.4 |
48.17 |
55 |
SM120-46 |
6 |
150 |
2900 |
12.1 |
36.19 |
45 |
SM120-46 |
4 |
3 |
1450 |
3.9 |
8.39 |
11 |
SM120-46 |
4 |
6 |
1450 |
4.6 |
8.39 |
11 |
SM120-46 |
6 |
20 |
1450 |
4.9 |
12.32 |
15 |
SM120-46 |
7 |
20 |
1450 |
4.7 |
14.29 |
18.5 |
SM120-46 |
8 |
20 |
1450 |
4.5 |
16.25 |
22 |
SM120-46 |
8 |
40 |
1450 |
5 |
16.25 |
22 |
SM120-46 |
9 |
40 |
1450 |
4.8 |
18.22 |
22 |
SM120-46 |
10 |
40 |
1450 |
4.7 |
20.19 |
30 |
SM120-46 |
9 |
75 |
1450 |
5.3 |
18.51 |
22 |
SM120-46 |
10 |
75 |
1450 |
5.2 |
20.48 |
30 |
SM120-46 |
9 |
20 |
2900 |
10.7 |
37.48 |
45 |
SM120-46 |
10 |
40 |
2900 |
11.1 |
41.41 |
45 |
SM120-46 |
1 |
12 |
2900 |
12.5 |
6.01 |
7.5 |
SM120-46 |
2 |
12 |
2900 |
12.2 |
9.95 |
11 |
SM120-46 |
3 |
12 |
2900 |
12 |
13.88 |
15 |
SM120-46 |
4 |
12 |
2900 |
11.7 |
17.81 |
18.5 |
SM120-46 |
5 |
12 |
2900 |
11.4 |
21.75 |
22 |
SM120-46 |
6 |
12 |
2900 |
11.2 |
25.68 |
30 |
SM120-46 |
7 |
12 |
2900 |
11 |
29.61 |
30 |
SM120-46 |
8 |
12 |
2900 |
10.7 |
33.55 |
37 |
螺桿磨損五點(diǎn)原因:1、每種塑料,都有一個理想塑化的加工溫度范圍,應(yīng)該控制料筒加工溫度,使之接近這個溫度范圍。粒狀塑料從料斗進(jìn)入料筒,首先會到達(dá)加料段,在加料段必然會出現(xiàn)干性磨擦,當(dāng)這些塑料受熱不足,熔融不均時,很易造成料筒內(nèi)壁及螺桿表面磨損增大。同樣,在壓縮段和均化段,如果塑料的熔融狀態(tài)紊亂不均,也會造成磨損增快。2、轉(zhuǎn)速應(yīng)調(diào)校得當(dāng)。由于部分塑料加有強(qiáng)化劑,如玻璃纖維、礦物質(zhì)或其他填充料。這些物質(zhì)對金屬材質(zhì)的磨擦力往往比熔融塑料的大得多。在注塑這些塑料時,如果用高的轉(zhuǎn)速成,則在提高對塑料的剪切力的同時,亦將令強(qiáng)化相應(yīng)地產(chǎn)生更多被撕碎的纖維,被撕碎的纖維含有鋒利末端,令磨損力大為增加。無機(jī)礦物質(zhì)在金屬表面高速滑行時,其刮削作用也不小。所以轉(zhuǎn)速不宜調(diào)得太高。3、螺桿在機(jī)筒內(nèi)轉(zhuǎn)動,物料與二者的摩擦,使螺桿與機(jī)筒的工作表面逐漸磨損:螺桿直徑逐漸縮小,機(jī)筒的內(nèi)孔直徑逐漸加大。這樣,螺桿與機(jī)筒的配合直徑間隙,隨著二者的逐漸磨損而一點(diǎn)點(diǎn)加大?墒牵捎跈C(jī)筒前面機(jī)頭和分流板的阻力沒有改變,這就增加了被擠塑物料前進(jìn)時的漏流量,即物料從直徑間隙處向進(jìn)料方向流動量增加。結(jié)果使塑膠機(jī)械生產(chǎn)量下降。這種現(xiàn)象又使物料在機(jī)筒內(nèi)停留時間增加,造成物料分解。如果是聚乙烯,分解產(chǎn)生的氯化氫氣體加強(qiáng)了對螺桿和機(jī)筒的腐蝕。4、
物料中如有碳酸鈣和玻璃纖維等填充料,能加快螺桿和機(jī)筒的磨損。
5、 由于物料沒有塑化均勻,或是有金屬異物混入料中,使螺桿轉(zhuǎn)動扭矩力突然增加,這種扭矩超出螺桿的強(qiáng)度極限,使螺桿扭斷。這是一種非常規(guī)事故損壞。
立式三螺桿泵是軸向輸送介質(zhì)的定量容積式轉(zhuǎn)子泵,立式三螺桿泵由特殊的形狀曲線構(gòu)成的螺旋型面的主動螺桿和兩根從動螺桿互相嚙合及它們與泵套三孔內(nèi)表面的配合,在泵的進(jìn)出油口之間形成的數(shù)級動密封腔,當(dāng)主動螺桿和從動螺桿互相嚙合轉(zhuǎn)動時,由于帶有一定黏度的介質(zhì)使螺桿之間形成逐個的密封腔,并且螺桿和螺桿之間,螺桿與泵套之間形成油膜,不斷形成數(shù)個運(yùn)動的密封腔,這些動密封腔不斷將介質(zhì)從泵的進(jìn)口沿螺桿軸向輸送到泵的出口,不斷在泵的進(jìn)口處形成真空。立式三螺桿泵進(jìn)口處的介質(zhì)不斷在大氣壓的作用下,壓入泵腔內(nèi),(由于此時泵已經(jīng)有自吸能力,也可稱做吸入泵腔內(nèi))使所輸送的介質(zhì)逐級密封逐級提升壓力,形成一個連續(xù)平穩(wěn)軸向移動的壓力液體。由于是軸向密封輸送,因此無攪拌無壓力脈動。立式三螺桿泵運(yùn)行平穩(wěn),噪音低。主動螺桿和兩根從動螺桿的軸向力采用液壓平衡裝置,從動螺桿由液壓力驅(qū)動旋轉(zhuǎn),所以螺桿之間無磨損,使用壽命長;立式三螺桿泵采用機(jī)械密封加骨架油封雙重密封方式,無泄露。立式三螺桿泵內(nèi)部結(jié)構(gòu)簡單緊湊,效率高、具有很強(qiáng)的自吸能力、節(jié)能效果好;且安裝、使用和維護(hù)檢修方便。立式三螺桿泵所輸送液體為各種不含固體顆粒、無腐蝕性油類及類似油類的潤滑性液體,所輸送黏度為1.2-100oE(3.0-760st),高粘度液體也可以通過加溫、降粘后輸送。其溫度一般不超過150o,流量范圍3.32L/min-10000L/min(0.2m3/h-590m3/h)。部分特殊產(chǎn)品最高工作壓力可以達(dá)到16-21Mpa。該泵泵體可采用焊接工藝,如有需要可以根據(jù)管路布置設(shè)計(jì)進(jìn)出口尺寸及位置,也可以根據(jù)介質(zhì)的不同,采用不同材料(如不銹鋼)生產(chǎn)。
介質(zhì)粘度:1~1500mm2/s,降低轉(zhuǎn)速粘度可到3×10mm2/s。
壓力范圍:5.0MPa
流量范圍:1~2000m3/h
溫度范圍:-15℃~320℃
性能范圍:1、輸送液體無脈動、無攪拌、振動小、噪音低;2、有較強(qiáng)的自吸能力,允許含有少量微小顆粒及在一定程度內(nèi)氣液混輸;3、采用同步齒輪驅(qū)動,螺桿之間不接觸,軸端采用機(jī)械密封,泵的使用壽命長;4、用合適的材料,可以輸送有腐蝕性的介質(zhì),適用范圍廣;5、雙吸式結(jié)構(gòu),螺桿上軸向力得到平衡。
三螺桿泵產(chǎn)生噪聲的原因和排除方法:
三螺桿泵振動大的原因及排除方法:檢查吸入管路和軸封,不得漏入空氣;檢查進(jìn)口閥門是否漏入空氣或完全打開;
1、三螺桿泵發(fā)生汽蝕
三螺桿泵振動大的原因及排除方法:檢查吸入管路和軸封,不得漏入空氣;檢查進(jìn)口閥門是否漏入空氣或完全打開;檢查過濾器及吸入管路排除堵塞;吸入管路直徑太小,更換之;或降低轉(zhuǎn)速適應(yīng)介質(zhì)的粘度或加熱介質(zhì)降低粘度;提高介質(zhì)液位。
2、三螺桿泵安裝不牢固
排除方法:重新安裝好
3、三螺桿泵減速器齒輪損壞或缺潤滑油
排除方法:更換損壞零件或加潤滑油
4、三螺桿泵聯(lián)軸器同軸度誤差大
排除方法:校正聯(lián)軸器同軸度
5、三螺桿泵內(nèi)螺桿或軸承等零件有損壞
排除方法:檢查泵零件,更換損壞零件。
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