三角堰,精度1~2.5%,适合小流量、精度要求不高的场所,制作简单,运输方便
三角堰材质
◇ PVC、玻璃钢、不锈钢可选。 流量越大,相应增加壁厚。
注意事项
◇ 三角口处的尺寸准确、缘台平直、光滑。板面光滑、平整、无扭曲。
◇ 三角堰的中心线要与渠道的中心线重合。
◇ j为堰板嵌入渠道墙的部分,尺寸请用户根据现场情况而定

三角堰流量公式:Q=1.343h2.47
三角堰堰高和流量的关系:
堰高 |
堰高h |
|
流量Q |
|
级别 |
cm |
L/s |
L/min |
m3/h |
1 |
1.0 |
0.0142 |
0.852 |
0.051 |
1 |
1.5 |
0.0391 |
2.348 |
0.141 |
1 |
2.0 |
0.0803 |
4.820 |
0.289 |
1 |
2.2 |
0.1019 |
6.116 |
0.367 |
1 |
2.4 |
0.1267 |
7.603 |
0.456 |
1 |
2.6 |
0.1548 |
9.287 |
0.557 |
1 |
2.8 |
0.1863 |
11.177 |
0.671 |
1 |
3.0 |
0.2214 |
13.281 |
0.797 |
1 |
3.2 |
0.2601 |
15.607 |
0.936 |
1 |
3.4 |
0.3027 |
18.161 |
1.090 |
1 |
3.6 |
0.3492 |
20.951 |
1.257 |
1 |
3.8 |
0.3997 |
23.983 |
1.439 |
1 |
4.0 |
0.4544 |
27.264 |
1.636 |
1 |
4.1 |
0.4833 |
29.000 |
1.740 |
1 |
4.2 |
0.5133 |
30.801 |
1.848 |
1 |
4.3 |
0.5445 |
32.667 |
1.960 |
2 |
5.1 |
0.8282 |
49.69 |
3.0 |
2 |
5.5 |
1.0003 |
60.02 |
3.6 |
2 |
6.0 |
1.2434 |
74.60 |
4.5 |
2 |
6.5 |
1.5188 |
91.13 |
5.5 |
2 |
7.0 |
1.8279 |
109.68 |
6.6 |
2 |
7.5 |
2.1721 |
130.32 |
7.8 |
2 |
8.0 |
2.5524 |
153.14 |
9.2 |
2 |
8.5 |
2.9701 |
178.20 |
10.7 |
2 |
9.0 |
3.4263 |
205.58 |
12.3 |
2 |
9.5 |
3.9222 |
235.33 |
14.1 |
2 |
10.0 |
4.4588 |
267.53 |
16.1 |
3 |
10.1 |
4.5387 |
272.32 |
16.3 |
3 |
10.5 |
5.0015 |
300.09 |
18.0 |
3 |
11.0 |
5.6184 |
337.10 |
20.2 |
3 |
11.5 |
6.2787 |
376.72 |
22.6 |
3 |
12.0 |
6.9836 |
419.02 |
25.1 |
3 |
12.5 |
7.7340 |
464.04 |
27.8 |
3 |
13.0 |
8.5307 |
511.84 |
30.7 |
3 |
13.5 |
9.3748 |
562.49 |
33.7 |
3 |
14.0 |
10.2671 |
616.03 |
37.0 |
3 |
14.5 |
11.2085 |
672.51 |
40.4 |
3 |
15.0 |
12.1999 |
731.99 |
43.9 |
4 |
15.1 |
12.3156 |
738.94 |
44.3 |
4 |
15.5 |
13.1475 |
788.85 |
47.3 |
4 |
16.0 |
14.2336 |
854.02 |
51.2 |
4 |
16.5 |
15.3718 |
922.31 |
55.3 |
4 |
17.0 |
16.5629 |
993.78 |
59.6 |
4 |
17.5 |
17.8078 |
1068.47 |
64.1 |
4 |
18.0 |
19.1072 |
1146.43 |
68.8 |
4 |
18.5 |
20.4618 |
1227.71 |
73.7 |
4 |
19.0 |
21.8725 |
1312.35 |
78.7 |
4 |
19.5 |
23.3400 |
1400.40 |
84.0 |
4 |
20.0 |
24.8651 |
1491.90 |
89.5 |
5 |
20.1 |
24.9959 |
1499.76 |
90.0 |
5 |
20.5 |
26.2581 |
1575.49 |
94.5 |
5 |
21.0 |
27.8886 |
1673.32 |
100.4 |
5 |
21.5 |
29.5784 |
1774.71 |
106.5 |
5 |
22.0 |
31.3282 |
1879.69 |
112.8 |
5 |
22.5 |
33.1387 |
1988.32 |
119.3 |
5 |
23.0 |
35.0105 |
2100.63 |
126.0 |
5 |
23.5 |
36.9444 |
2216.66 |
133.0 |
5 |
24.0 |
38.9410 |
2336.46 |
140.2 |
5 |
24.5 |
41.0010 |
2460.06 |
147.6 |
5 |
25.0 |
43.1250 |
2587.50 |
155.3 |
6 |
25.1 |
43.2419 |
2594.51 |
155.7 |
6 |
25.5 |
44.9853 |
2699.12 |
161.9 |
6 |
26.0 |
47.2230 |
2833.38 |
170.0 |
6 |
26.5 |
49.5262 |
2971.57 |
178.3 |
6 |
27.0 |
51.8955 |
3113.73 |
186.8 |
6 |
27.5 |
54.3316 |
3259.89 |
195.6 |
6 |
28.0 |
56.8350 |
3410.10 |
204.6 |
6 |
28.5 |
59.4063 |
3564.38 |
213.9 |
6 |
29.0 |
62.0463 |
3722.78 |
223.4 |
6 |
29.5 |
64.7553 |
3885.32 |
233.1 |
6 |
30.0 |
67.5342 |
4052.05 |
243.1 |
常用三角堰安装尺寸(单位:mm)
序号 |
流量范围(吨/小时) |
适用渠道 |
B |
He |
p |
流量参数 |
Q(min) |
Q(max) |
>宽×高 |
n |
C |
1 |
0 |
20 |
>275×220 |
275 |
110 |
110 |
2.5 |
5083 |
2 |
0 |
40 |
>360×288 |
360 |
144 |
144 |
2.5 |
5083 |
3 |
0 |
80 |
>475×380 |
475 |
190 |
190 |
2.5 |
5083 |
4 |
0 |
182 |
>660×528 |
660 |
264 |
264 |
2.5 |
5083 |
5 |
0 |
395 |
>900×720 |
900 |
360 |
360 |
2.5 |
5083 |
6 |
0 |
899 |
>1250×1000 |
1250 |
500 |
500 |
2.5 |
5083 |
矩形堰材质
◇ PVC、玻璃钢、不锈钢可选。 流量越大,相应增加壁厚。
注意事项
◇ 矩形口处的尺寸要准确、缘台平直、光滑。板面光滑、平整、无扭曲。
◇ 矩形堰的中心线要与渠道的中心线重合。
◇ j为堰板嵌入渠道墙的部分,尺寸请用户根据现场情况而定。
常用矩形堰安装尺寸(单位:mm)
序号 |
流量范围(吨/小时) |
适用渠道 |
B |
b |
h |
p |
流量参数 |
Q(min) |
Q(max) |
>宽×高 |
n |
C |
1 |
0.08 |
414 |
>750×750 |
750 |
375 |
308 |
442 |
1.5 |
2406 |
2 |
0.10 |
803 |
>850×850 |
850 |
510 |
387 |
463 |
1.5 |
3318 |
3 |
0.15 |
1662 |
>1000×1000 |
1000 |
700 |
501 |
499 |
1.5 |
4669 |
4 |
0.19 |
3332 |
>1250×1250 |
1250 |
875 |
683 |
567 |
1.5 |
5886 |
5 |
0.26 |
6504 |
>1450×1450 |
1450 |
1160 |
857 |
593 |
1.5 |
8178 |
6 |
0.33 |
12643 |
>1800×1800 |
1800 |
1440 |
1142 |
658 |
1.5 |
10344 |