天美TM-2号巴歇尔槽

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加工定制:是 |品牌 | 型号:全系列
类目: 巴歇尔槽
巴歇尔槽制作施工尺寸
说明:
2符号说明:b为喉道宽,b1为进水渠道宽,b2为出水渠道宽,l为喉道长,l1为收缩段,l2为扩散段,
2堰槽修建及使用条件:b>=b,h/p<2.5,h>0.03m,p>0.1m
2圆圈位置为探头安装位置示意图
二、技术参数:
1、技术参数:
序号           流量范围(吨/小时)                适用渠道mm                水位范围(mm)                  临界
q(min)       q(max)             >宽×高             h(min)       h(max)            淹没度%
1              0.3            19.4               >200×250              15             210                 0.5
2              0.6            47.5               >250×300              15             240                 0.5
3              2.8            115.6              >300×600              30             330                 0.5
4              5.4            399.6              >450×800              30             450                 0.6
5              9.0            903.6              >600×1000             30             600                 0.6
6             12.6           1440.0              >1000×1200             30             750                 0.6
2、常用规格尺寸:(单位:mm)
序号            喉道段                  收缩段                    扩散段              墙高             流量参数
b     l     n           b1     l1    la           b2     l2     k             d             c         n
1        25     76    29         167    356    237          93     203    19           230           217      1.550 2        51    114    43         214    406    271         135     254    22           260           435      1.550 3        76    152    57         259    457    305         178     305    25           460           638      1.550
4       152    305   114         400    610    407         394     610    76           610           1372     1.540
5       228    305   114         575    864    576         381     457    76           770           1927     1.530 6       300    600   230         780   1350    902         600     920    80           800           2444     1.521 3、成品尺寸:
序号           类型               b值(mm)                长*宽*高(mm)                   最大流量(m3)/小时
1             标准型               25                     835*267*265                           19.44
2             标准型               51                     773*314*305                           47.52
3             标准型               76                     914*359*517                          115.56
4             标准型              152                    1525*500*730                           399.6
5             标准型              228                    1630*675*890                           903.6
6             标准型              250                    2845*980*1060                          900
7             标准型              300                    2870*940*1200                          1440
8             标准型              450                   2945*1120*1200                          2268
9             标准型              600                   3020*1300*1200                          3060
10            标准型             750                    3095*1480*1200                          3960
11            标准型             900                    3170*1660*1200                          4500
12            标准型            1000                    3200*1780*1250                          5400
13            标准型            1200                    3320*2020*1250                          7200
14            标准型            1500                    3470*2380*1250                          9000
15            标准型            1800                    3620*2740*1250                         10800
三、安装步骤:
1、明渠土建安装准备在安装前首先察看地形,进水口必须高于出水口,确保有水位差出水畅通,这是成功安装巴歇尔槽明渠流量计的关键。
a、巴歇尔槽的尺寸与渠道安装有关,请用户根据现场情况而定。
b、巴歇尔槽的中心线要与渠道的中心线重合,使水流进入巴歇尔槽不出现偏流。
c、巴歇尔槽通水后,水的流态要自由流。巴歇尔槽的淹没度要小于规定的临界淹没度
注意事项
巴歇尔槽的中心线要与渠道的中心线重合,使水流进入巴歇尔槽不出现偏流。
巴歇尔槽通水后,水的流态要自由流。巴歇尔槽的淹没度要小于规定的临界淹没度。
巴歇尔槽的上游应有大于5倍渠道宽的平直段,使水流能平稳进入巴歇尔槽。即没有左右偏流,也没有渠道坡降形成的冲力。(参见下图)巴歇尔槽安装在渠道上要牢固。与渠道侧壁、渠底连结要紧密,不能漏水。使水流全部流经巴歇尔槽的计量部位。巴歇尔槽的计量部位是槽内喉道段。
巴歇尔槽构造尺寸(单位:米)
类       序                喉道段                     收缩段                       扩散段               墙高
别       号          b        l      n           b1     l1      la           b2     l2       k          d
1       0.025    0.076   0.029      0.167    0.356   0.237       0.093    0.203    0.019       0.23
小       2       0.051    0.114   0.043      0.214    0.406   0.271       0135     0.254    0.022       0.26
3       0.076    0.152   0.057      0.259    0.457   0.305       0.178    0.305    0.025       0.46
型       4       0.152    0.305   0.114      0.400    0.610   0.407       0.394    0.610    0.076       0.61
5       0.228    0.305   0.114      0.575    0.864   0.576       0.381    0.457    0.076       0.77
6       0.25     0.60    0.23       0.78     1.325   0.883       0.55     0.92     0.08        0.80
标       7       0.30     0.60    0.23       0.84     1.350   0.902       0.60     0.92     0.08        0.95
准       8       0.45     0.60    0.23       1.02     1.425   0.948       0.75     0.92     0.08        0.95
型       9       0.60     0.60    0.23       1.20     1.500   1.0         0.90      0.92     0.08        0.95
10       0.75     0.60    0.23       1.38     1.575   1.053       1.05     0.92      0.08       0.95
11       0.90     0.60    0.23       1.56     1.650   1.099       1.20     0.92      0.08       0.95
12       1.00     0.60    0.23       1.68     1.705   1.139       1.30     0.92      0.08       1.0
13       1.20     0.60    0.23       1.92     1.800    1.203      1.50     0.92      0.08       1.0
14       1.50    0.60     0.23       2.28    1.95    1.303        1.80     0.92      0.08       1.0
15       1.80    0.60     0.23       2.64    2.10    1.399        2.10     0.92      0.08       1.0
16       2.10    0.60     0.23       3.00    2.25    1.504        2.40     0.92      0.08       1.0
17       2.40    0.60     0.23       3.36    2.40    1.604        2.70     0.92      0.08       1.0
18       3.05    0.91     0.343      4.76    4.27    1.794        3.68     1.83     0.152      1.22
19       3.66    0.91     0.343      5.61    4.88    1.991        4.47     2.44     0.152      1.52
20       4.57    1.22     0.457      7.62    7.62    2.295        5.59     3.05     0.229      1.83
21       6.10    1.83     0.686      9.14    7.62    2.785        7.32     3.66     0.305      2.13
22       7.62    1.83     0.686     10.67    7.62    3.383        8.94     3.96     0.305      2.13
23       9.14    1.83    0.686      12.31    7.93    3.785       10.57     4.27     0.305      2.13
24      12.19    1.83    0.686      15.48    8.23    4.785       13.82     4.88     0.305      2.13
25      15.24    1.83    0.686      18.53    8.23    5.776       17.27     6.10     0.305      2.13
巴歇尔槽参数表
类      序            喉道            流量公式              水位范围                流量范围           临界
别      号            宽度             q=chan                 h(m)                  q(l/s)             淹没
b(m)             (l/s)            最小       最大          最小      最大        度%
小 型   1           0.025            60.4ha1.55          0.015       0.21         0.09        5.4        0.5
2          0.051            120.7ha1.55             0.015       0.24         0.18       13.2        0.5
3          0.076            177.1ha1.55              0.03       0.33         0.77       32.1        0.5
4          0.152            381.2ha1.54              0.03       0.45         1.50       111.0       0.6
5          0.228            535.4ha1.53              0.03       0.60         2.5        251         0.6
标准型   6          0.25             561ha1.513                0.03       0.60         3.0        250         0.6
7          0.30             679ha1.521                0.03       0.75         3.5        400         0.6
8          0.45             1038ha1.537              0.03       0.75         4.5         630        0.6
9            0.60             1403ha1.548              0.05       0.75         12.5        850        0.6
10          0.75             1772ha1.557              0.06       0.75         25.0       1100        0.6
11          0.90             2147ha1.565              0.06       0.75         30.0       1250        0.6
12          1.00             2397ha1.569              0.06       0.80         30.0       1500        0.7
13          1.20             2904ha1.577              0.06       0.80         35.0       2000        0.7
14          1.50             3668ha1.586          0.06       0.80         45.0       2500        0.7
15          1.80             4440ha1.593              0.08       0.80         80.0       3000        0.7
16          2.10             5222ha1.599              0.08       0.80         95.0       3600        0.7
17          2.40             6004ha1.605            0.08       0.80          100.0      4000        0.7
大型    18          3.05             7463ha1.6              0.09       1.07          160.0      8280        0.8
19          3.66             8859ha1.6              0.09       1.37          190.0     14680        0.8
20          4.57            10960ha1.6              0.09       1.67          230.0     25040        0.8
21          6.10            14450ha1.6              0.09       1.83          310.0     37970        0.8
22          7.62            17940ha1.6              0.09       1.83          380.0     47160        0.8
23          9.14            21440ha1.6              0.09       1.83          460.0     56330        0.8
24         12.19            28430ha1.6              0.09       1.83          600.0     74700        0.8
25         15.24            35410ha1.6              0.09       1.83          750.0     93040        0.8

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