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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(hào),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(rùn)滑噴嘴注潤(rùn)滑脂機(jī)械密封.適合輸送介質(zhì)潤(rùn)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(gè)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(gè)溫度范圍。粒狀塑料從料斗進(jìn)入料筒,首先會(huì)到達(dá)加料段,在加料段必然會(huì)出現(xiàn)干性磨擦,當(dāng)這些塑料受熱不足,熔融不均時(shí),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(huì)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(duì)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(shí),如果用高的轉(zhuǎn)速成,則在提高對(duì)塑料的剪切力的同時(shí),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(wú)機(jī)礦物質(zhì)在金屬表面高速滑行時(shí),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(dòng),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,由于機(jī)筒前面機(jī)頭和分流板的阻力沒(méi)有改變,這就增加了被擠塑物料前進(jìn)時(shí)的漏流量,即物料從直徑間隙處向進(jìn)料方向流動(dòng)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(shí)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(duì)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(méi)有塑化均勻,或是有金屬異物混入料中,使螺桿轉(zhuǎn)動(dòng)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(dòng)螺桿和兩根從動(dòng)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(jí)動(dòng)密封腔,當(dāng)主動(dòng)螺桿和從動(dòng)螺桿互相嚙合轉(zhuǎn)動(dòng)時(shí),由于帶有一定黏度的介質(zhì)使螺桿之間形成逐個(gè)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(gè)運(yùn)動(dòng)的密封腔,這些動(dòng)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(shí)泵已經(jīng)有自吸能力,也可稱(chēng)做吸入泵腔內(nèi))使所輸送的介質(zhì)逐級(jí)密封逐級(jí)提升壓力,形成一個(gè)連續(xù)平穩(wěn)軸向移動(dòng)的壓力液體。由于是軸向密封輸送,因此無(wú)攪拌無(wú)壓力脈動(dòng)。立式三螺桿泵運(yùn)行平穩(wěn),噪音低。主動(dòng)螺桿和兩根從動(dòng)螺桿的軸向力采用液壓平衡裝置,從動(dòng)螺桿由液壓力驅(qū)動(dòng)旋轉(zhuǎn),所以螺桿之間無(wú)磨損,使用壽命長(zhǎng);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(wú)泄露。立式三螺桿泵內(nèi)部結(jié)構(gòu)簡(jiǎn)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(wú)腐蝕性油類(lèi)及類(lèi)似油類(lèi)的潤(rùn)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(guò)加溫、降粘后輸送。其溫度一般不超過(guò)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(wú)脈動(dòng)、無(wú)攪拌、振動(dòng)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(dòng),螺桿之間不接觸,軸端采用機(jī)械密封,泵的使用壽命長(zhǎng);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(dòng)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(mén)是否漏入空氣或完全打開(kāi);
1、三螺桿泵發(fā)生汽蝕
三螺桿泵振動(dòng)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(mén)是否漏入空氣或完全打開(kāi);檢查過(guò)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(rùn)滑油
排除方法:更換損壞零件或加潤(rùn)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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