After rinsing, the rinsing door closes slowly under the action of the damper, relying on its own weight, until the next cycle.

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The hydraulic flushing gate regulating pond gate flushing system fully utilizes the potential pipeline capacity to store wastewater; it uses stored wastewater to flush pipelines; and it flexibly controls wastewater of different qualities based on water quality conditions. The installation position of the retaining flushing gate is determined by the structural walls of the structure. The retaining gate can be locked with a pivot rotation.

The operation process is as follows:
Divide the rainwater retention pond into multiple flushing galleries. Then, in each gallery, separate a single storage chamber for storing incoming water during the pond's daily inflow, serving as the flushing water source for cleaning the pond. When pollutants settle at the bottom of the pool and require cleaning, empty the rainwater retention pond, activate the hydraulic system through the PLC control system, open the flushing door before the storage chamber, and begin cleaning the gallery.

Hydraulic Flush Door; Retaining Basin Gate Flush
The device, utilizing the retention function of the retention gate, can fully store wastewater in the pipeline's potential capacity; it uses the retained wastewater to flush the pipeline; and it can flexibly control wastewater of different qualities based on water quality conditions. The installation position of the retention flushing gate is determined by the structural walls of the structure. The retention gate rotates around a pivot and can be locked at any position. When idle, the retention gate can be locked in a larger open position; when retaining water, the retention gate is locked in a closed position, sealing with the bottom of the pipeline to retain wastewater. The designed retention gate can be set for *outflow, as well as bottom outflow. Retention pool flushing valve, retention shield flushing hydraulic flap gate

Made of stainless steel, the structure is sturdy and durable; one-time rinse length 10

Primary Functions and Application Scope:
Large Tri醛 Intermediate Wash】Primarily used for oil washing and maintenance of drainage pipelines with larger diameters, such as wastewater or combined sewers, channels, and rectangular ditches. Additionally, it can serve as a management facility for the entire pipeline network or section due to its potential capacity through the retention function of the weir gates. The hydraulic flushing gate is mainly installed in rainwater retention basins or channels, performing automatic flushing of sediment at the bottom. It features long-lasting operation.

Technical Advantages
Excellent rinsing effect, with the effective rinsing length of a single rinsing wave exceeding 100 meters.
Technologically mature and refined, operationally reliable and stable, and has been verified through practical examples.
Made of stainless steel, sturdy and corrosion-resistant.
Water intake at the bottom of the storage room, ensuring the storage room automatically fills even if the regulating pool is not at full capacity.
Noise-free, external power source, external water supply, energy-saving, environmental protection
Basic maintenance-free

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Rainwater storage ponds are typically fully underground structures with significant depth. They operate for a limited number of days throughout the year, serving as storage during rainfall only. Therefore, the operation modes for constructed rainwater storage pond systems are generally **unmanned or with minimal staff and regular inspections. China has developed its technology for rainwater storage relatively late, and the early rainwater storage ponds primarily had the "storage" function, lacking "regulation" and "utilization" capabilities, and are in urgent need of upgrading or supplementation.
Rainwater retention basins are typically connected to municipal stormwater wells to collect and store rainwater; they are equipped with drainage pumps and level gauges. The drainage pumps are connected to the municipal stormwater system through drainage pipes to empty the retention basin into the system during rainfall. The level gauges are used to display the water level within the retention basin. Current technology relies on manual on-site operations for the management, utilization, and control of rainwater retention basins. Due to their widespread distribution in urban construction, often located underground, and unclear responsibilities—although they all belong to the urban drainage system, some are under municipal control while others are the responsibility of property management—manual management is not only difficult but also costly. Moreover, since the retention function of rainwater basins depends on emptying them before heavy rain, with their scattered locations and numerous sites, it is challenging to monitor and empty them in the short time required during heavy rain warnings. It is difficult for manual labor to effectively control the retention basins within a timely manner, thus resulting in insufficient management and lack of timeliness. Furthermore, on-site operation requires trained workers, adding to labor costs. If the retention basins cannot be effectively emptied before heavy rain, it may increase the probability of urban flooding.