盘式过滤器的选型主要是确定过滤头的型号和个数组成的过滤系统。这取决于三个因素:原水水质、过滤等级、需水流量。
原水水质:
分为优良、一般、较差、很差四类
过滤等级直接决定了用水的应用。同样的一套设备在不同过滤等级下产水能力可能会有非常大的差异。
三个因素确定后,可查阅下表进行选型:
|
原水水质
优良 |
原水水质
一般 |
|
出水水质 |
150μ |
100μ |
50μ |
20μ |
5µ |
150μ |
100μ |
50μ |
20μ |
5µ |
|
2DY-2 |
≤50 |
≤40 |
≤28 |
≤14 |
≤7 |
≤38 |
≤30 |
≤22 |
≤10 |
≤5 |
|
2DY-3 |
75 |
60 |
42 |
21 |
≤10 |
57 |
45 |
33 |
15 |
≤7 |
|
2DY-4 |
100 |
80 |
56 |
28 |
≤13 |
76 |
60 |
44 |
20 |
≤9 |
|
2DY-5 |
125 |
100 |
60 |
35 |
≤16 |
95 |
75 |
55 |
25 |
≤11 |
|
2DY-6 |
150 |
120 |
74 |
42 |
≤20 |
114 |
90 |
66 |
30 |
≤13 |
|
3DY-3 |
≤111 |
≤90 |
≤60 |
≤30 |
≤15 |
≤84 |
≤66 |
≤48 |
≤22 |
≤11 |
|
3DY-4 |
148 |
120 |
80 |
40 |
≤20 |
112 |
88 |
64 |
30 |
≤15 |
|
3DY-5 |
185 |
150 |
100 |
50 |
≤25 |
140 |
110 |
80 |
37 |
≤19 |
|
3DY-6 |
222 |
180 |
120 |
60 |
≤30 |
168 |
132 |
96 |
45 |
≤23 |
|
3DY-7 |
259 |
210 |
140 |
70 |
≤35 |
196 |
154 |
112 |
52 |
≤27 |
|
3DY-8 |
296 |
240 |
160 |
80 |
≤40 |
224 |
176 |
128 |
60 |
≤30 |
|
原水水质
较差 |
原水水质
很差 |
|
出水水质 |
150μ |
100μ |
50μ |
20μ |
150μ |
100μ |
50μ |
20μ |
|
2DY-2 |
≤27 |
≤20 |
≤15 |
≤7 |
≤16 |
≤13 |
≤9 |
≤5 |
|
2DY-3 |
40 |
30 |
22 |
10 |
24 |
19 |
13 |
7 |
|
2DY-4 |
54 |
40 |
30 |
14 |
32 |
26 |
18 |
10 |
|
2DY-5 |
67 |
50 |
38 |
17 |
40 |
32 |
22 |
12 |
|
2DY-6 |
81 |
60 |
45 |
21 |
48 |
39 |
27 |
15 |
|
3DY-3 |
≤60 |
≤45 |
≤33 |
≤15 |
≤36 |
≤28 |
≤19 |
≤10 |
|
3DY-4 |
80 |
60 |
44 |
20 |
48 |
|