巴歇尔槽尺寸

1、精选优质文档-倾情为你奉上说明：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>0.1m2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）临界淹没度%Q（min）Q（max）>宽×高h（min）h（max）10.319.4>200×250152100.520.647.5>250×300152400.532.8115.6>300×

2、600303300.545.4399.6>450×800304500.659.0903.6>600×1000306000.6612.61440.0>1000×1200307500.6 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bLNB1L1LaB2L2KDCn125762916735623793203192302171.55025111443214406271135254222604351.55037615257259457305178305254606381.55041523051144006104073946

3、107661013721.54052283051145758645763814577677019271.530630060023078013509026009208080024441.521 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25835*267*26519.442标准型51773*314*30547.523标准型76914*359*517115.564标准型1521525*500*730399.65标准型2281630*675*890903.66标准型2502845*980*10609007标准型3002870*940*12001440

4、8标准型4502945*1120*120022689标准型6003020*1300*1200306010标准型7503095*1480*1200396011标准型9003170*1660*1200450012标准型10003200*1780*1250540013标准型12003320*2020*1250720014标准型15003470*2380*1250900015标准型18003620*2740*125010800三、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

5、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

6、。巴歇尔槽的计量部位是槽内喉道段。巴歇尔槽构造图巴歇尔槽构造尺寸（单位：米）类别序号喉道段收缩段扩散段墙高bLNB1L1LaB2L2KD小型10.0250.0760.0290.1670.3560.2370.0930.2030.0190.2320.0510.1140.0430.2140.4060.27101350.2540.0220.2630.0760.1520.0570.2590.4570.3050.1780.3050.0250.4640.1520.3050.1140.4000.6100.4070.3940.6100.0760.6150.2280.3050.1140.5750.8640.576

7、0.3810.4570.0760.77标准型60.250.600.230.781.3250.8830.550.920.080.8070.300.600.230.841.3500.9020.600.920.080.9580.450.600.231.021.4250.9480.750.920.080.9590.600.600.231.201.5001.00.900.920.080.95100.750.600.231.381.5751.0531.050.920.080.95110.900.600.231.561.6501.0991.200.920.080.95121.000.600.231.681.

8、7051.1391.300.920.081.0131.200.600.231.921.8001.2031.500.920.081.0141.500.600.232.281.951.3031.800.920.081.0151.800.600.232.642.101.3992.100.920.081.0162.100.600.233.002.251.5042.400.920.081.0172.400600.233.362.401.6042.700.920.081.0大型183.050.910.3434.764.271.7943.681.830.1521.22193.660.910.3435.614

9、.881.9914.472.440.1521.52204.571.220.4577.627.622.2955.593.050.2291.83216.101.830.6869.147.622.7857.323.660.3052.13227.621.830.68610.677.623.3838.943.960.3052.13239.141.830.68612.317.933.78510.574.270.3052.132412.191.830.68615.488.234.78513.824.880.3052.132515.241.830.68618.538.235.77617.276.100.305

10、2.13巴歇尔槽参数表类别序号喉道宽度b(m)流量公式Q=Chan(L/S)水位范围h(m)流量范围Q(L/S)临界淹没度%最小最大最小最大小型10.02560.4ha1.550.0150.210.095.40.520.051120.7ha1.550.0150.240.1813.20.530.076177.1ha1.550.030.330.7732.10.540.152381.2ha1.540.030451.50111.00.650.228535.4ha1.530.030.602.52510.6标准型60.25561ha1.5130.030.603.02500.670.30679ha1.521

11、0.030.753.54000.680.451038ha1.5370.030.754.56300.690.601403ha1.5480.050.7512.58500.6100.751772ha1.5570.060.7525.011000.6110.902147ha1.5650.060.7530.012500.6121.002397ha1.5690.060.8030.015000.7131.202904ha1.5770.060.8035.020000.7141.503668ha1.5860.060.8045.025000.7151.804440ha1.5930.080.8080.030000.7162.105222ha1.5990.080.8095.036000.7172.406004ha1.6050.080.80100.040000.7大型183.057463ha1.60.091.07160.082800.8193.668859ha1.60.091.37190.0146800.8204.5710960ha1.60.091.67230.0250400.8216.1014450