The working mode of the backwash system for traveling band screens is as follows:

System composition: The backwash system mainly consists of a flushing water pump, a flushing device pipeline filter, a water tank or supply pipe to the pump and a flushing pipeline from the pump to the grid, connecting accessories and valves, etc.

Working principle: When the filter plate of the internal inlet orifice plate grille intercepts dirt, it will be flushed through a high-pressure flushing system. The flushing system uses medium pressure flushing water to automatically flush the orifice plate, causing the hair and fiber materials on the orifice plate to fall off and enter the slag collection tank together with the flushing water.

Rinsing process: The intercepted hair fibers rotate above the equipment with the orifice plate, and the backwashing device uses medium pressure rinsing water to automatically rinse the orifice plate. The hair fibers on the orifice plate fall off, achieving self-cleaning.

Continuous flushing system: The flushing system starts and stops simultaneously with the grille, effectively removing most of the dirt trapped by the mesh plate. The nozzle material is stainless steel 304, and the outlet pressure of the flushing water pump is not less than 0.5MPa.

High pressure slag cleaning system: The grille is equipped with a high-pressure slag cleaning system, which can prevent linear dirt from entangling the mesh plate, reduce the risk of mesh plate blockage, improve equipment water passing rate, and ensure long-term stable operation of the equipment.

Flushing system design: The flushing system is located on the side of the equipment, adopts a quick plug design, and is equipped with observation and maintenance holes for easy use and maintenance.

Chute flushing valve: The chute inside the grid machine is equipped with a chute flushing valve. When there is a buildup of slag inside the equipment, it can be manually opened to clean the chute, avoiding equipment shutdown and slag cleaning. It is easy to operate.

Through the above methods, the backwash system of traveling band screens can effectively remove the dirt trapped on the mesh plate, maintaining the cleanliness and filtration efficiency of the grille.

 

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