Flushing System

Gate Flushing System Type KS

Storm tanks or sewers require cleaning after operation during storms due to the sediment deposited on the tank or sewer floor once the storm has subsided. If the system is not cleaned the potential for blockages is increased and malodours will occur due to septicity. The BIOGEST^® Gate Flushing System Type KS is an ideal solution to the problem.

The flushing gates are manufactured from stainless steel (AISI 304 or AISI 316Ti) in several sizes and consist of the following: The gate, the gate frame, the gate lock, the hydraulic-cylinder, the hydraulic-power pack and the BIOGEST^®control panel.

Video Type KS operation 1

Video Type KS operation 2

Effective rinsing and cleaning of storm tanks and storage channels

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Functionality

Both the tank and flushing chamber are empty. In dry weather situation the gate hangs loose on the frame and stays open.

During a storm, the level in the storm tank / sewer will rise and the gate will be closed following a signal from the float switch. The hydraulic pump starts and drives the shaft, which in turn closes the gate. As soon as the gate is closed it is locked mechanically the hydraulic pump shuts off. The flushing chamber fills as the level rises within the tank / sewer.

The storm subsides and the storage chamber empties leaving sludge and other sewage related debris on the chamber floor.

Once the tank is empty the flushing sequence starts automatically. The float switch sends a signal to the control panel. The solenoid valve then turns the hydraulic pump on. The drive shaft reverses and release the retaining lock hooks. The gate swings open due to the pressure of the head in the flushing chamber releasing the flush water and cleaning all the solids from the floor of the tank or sewer.

The advantages

Subsequent installation possible
Suitable for use in storm tanks or sewers
Minimal energy consumption
Low Maintenance
Flushing with rainwater and sewage water
Delayed closing of the flap thanks to special damper function
Repeated flushes possible
Minimization of hydraulic loss using brake cylinders