Water Turbine Hydropower Station Used For Water Control Pressure Regulate Valve
The main body of the pressure regulating valve is arranged horizontally, that is, the center lines of the water inlet pipe and the oil cylinder are parallel to the ground, mainly composed of the valve housing, the valve plug, the main oil cylinder, the guide oil cylinder, and the air supplement valve.
The valve housing is welded or cast steel. It is composed of two semi-volute tubes symmetrical on the left and right. There are three open ports, one end is the water inlet, the other end is the water outlet, and the other end is reserved for connection with the main cylinder. There are fixed guide vanes in the volute tube of the valve housing, so that after the water flow enters, it forms a circular flow and collides with each other in the valve body to dissipate energy, and then discharges to the tail water, which has good energy dissipation performance. In order to reduce vibration, an air supplement device is provided so that the atmosphere can evenly enter the negative pressure area at the inlet end of the pressure regulating valve discharge channel.
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