XTZ type rotary regulating weir gate

• Product Overview

The rotary regulating weir is a precision water treatment equipment designed and manufactured by our company for accurate water level control or flow regulation. This device operates through a bottom-axis rotation mechanism, enabling continuous and stable adjustment of the water flow cross-sectional area by varying the opening degree of the weir plate's lower edge. It is primarily used in applications requiring precise liquid level or discharge flow control, such as water distribution wells in wastewater treatment plants, sequential batch reaction tanks (SBR tanks), rainwater storage reservoirs, and ecological flow discharge units.

• Structure and Working Principle

1. Core structural composition

The device is typically an integrated structure, primarily comprising the following components:

• Door frame and door panel: The door panel is a rectangular structure with the same width as the channel, fabricated by welding steel plates. The door frame is precisely pre-embedded and installed to provide a sealing reference.
• Rotation drive mechanism:

• Drive mechanism: usually integrated waterproof electric actuator, providing direct rotation power.
• Rotating spindle: Located at the bottom of the door panel, it is made of high-strength corrosion-resistant material and supported by heavy-duty bearings at both ends.
  • Sealing system: Elastic sealing strips (e.g., rubber) are installed on both sides and the bottom of the door panel to ensure water resistance at various opening angles.
  • The angle feedback and control system: integrated position sensor, can feedback the door opening angle in real time, and connected with the control system, to realize automatic control.

2. Working Principle

The device is installed at the water passage cross-section of the channel or pool. When the actuator receives a control signal (e.g., from a level gauge or flow meter), it drives the rotating spindle to rotate, causing the door panel to perform a rotational motion of 0° to approximately 90° around its bottom axis.

• Operation: The door panel rotates upward, widening the bottom opening to enhance flow capacity.
• Closing and adjustment process: The door panel rotates downward to approach the bottom seal. By precisely controlling its rotation angle, a stepless continuous adjustment from fully closed to slightly open (millimeter-level opening) can be achieved, thereby enabling precise control of upstream water level or discharge flow.
• Core technical features

1. Adjustment method: Bottom rotation opening/closing, enabling continuous and precise adjustment of opening height.
2. Control precision: Combining high-precision actuators with position feedback helps achieve more accurate control of water level or flow rate.
3. Operating torque: With the rotating shaft positioned at the base, the water pressure acts closer to the shaft, requiring relatively low driving torque.
4. Flow characteristics: The bottom-opening design may help reduce sludge or debris accumulation at the channel bottom.
5. Automated integration: Facilitates seamless integration with automation control systems (e.g., PLC, SCADA), enabling remote monitoring and automatic regulation.

• Main Technical Parameters

• Typical Application Fields

This device may be applied to scenarios requiring precise water flow control, including:

• SBR process of sewage treatment plant: water level control of decanting stage, flow distribution of water distribution well, water level adjustment between each process section.
• Rainwater Management and Flood Control: Inflow flow control of rainwater storage reservoirs and flow regulation of combined sewer overflow (CSO) control facilities.
• Water resources and ecology: ecological discharge and flow control of river water replenishment.
• Industrial water treatment: A process unit that requires constant water levels or proportionally distributed water flow.