Tianjin power of irrigation and drainage stations willow control section of the transformation chamber Irrigation separation, change single door to double doors separated by low-shaft Shaft, (2) change from the principle of reverse pressure sealing means for the way forward to remove well cap sealing devices; (3) the original single-row twin-hoist lifting gate, to hoist lifting gate,mbt schuhe test, (4) to improve the quality of the gate itself, to cast concrete chute gate replacement rubber seal gate, and with doors and slot card device, enhanced gateway box asking seal (see Figure 4). Small-minded Philippians Figure 4 Shaft pour iron gate separating the specific method is: in a well in front of the control section at the top simply scuttling a hole size: 0.8ITI × 2m rectangular hole,moncler paris, with the original shaft 0.37iTI × 2ITI together, transform pairs separated Shaft door,moncler outlet, well the historical high at the highest flood in 1983, digital design, high 0.3iTI. First embedded in the construction process of cast iron gates frame the pressure tank at the same time extending the upper floor} to the pressure tank irrigation gates shut mouth; lower drainage water u-notch gate shut. In order to ensure the reliability of reconstruction, requiring: (1) gateway box hoisting the position measurement to ensure the front and rear, left and right, up and down, the level of the direction of deviation within the allowable range, 18 4 g Gan Yang Feng Chen Xuexiong Liu Jin irrigation station power control section of the modified lock chamber 313 (2) gate frame fixed at the ground, causing the slope before and after 5, and the gap left 2em, mixed with sand to prevent the gate withstand} (3) The requirements of making the shaft before pouring template size is correct, the overall height of deflection of not more than 0.5cmj (4) Hoist beam by channel for easy installation and adjustment. After the cast iron gates completely transformed by the processing degree of precision and optical node, and the wedge-shaped card box iron gate,uggs sale, forward pressure simultaneously. To seal the purpose, without rubber seal. 3 Tianjin Station of willow effect, the practice shows that the results are satisfactory, the main advantages. (1) completely solve the serious water leakage irrigation and drainage stations, improve irrigation efficiency. (2), less investment, short construction period, reliability, easy operation Ling Tian, reduced management, reduce labor intensity. (3) to reduce the annual maintenance costs, extend the service life (4) the reform measures, easy application, water saving irrigation and drainage stations for the county opened a new road, but should note the following two points: (1) cast iron gate is easy rust, requires maintenance once a year. (2) the outer case of high water river boot, due to water hammer pressure, the shaft may occur when starting a short time, the overflow port, the standby group is operating normally, the shaft mouth overflow can disappear.