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Trash Rake Machine

Brief introduction

The Chain Driven Bar Screens are the mostly preferred screening equipment for removal of solids sizing in a wide range. They are specially designed for installation as coarse and fine screens for medium and large sized water and wastewater treatment plants. Chain Driven Bar Screen “AME” is mainly consisting of bar screens, frame, dead plate and discharge chute which is equipped with a ladle rake and a counter cleaning mechanism

YMGS Mechanical Bar Screen has the below advantages:

High Automaticity-can work continuously without any operation

High Separative Effiency

Low Power Consumption

No Noise

Good Corrosion Resistance

Self-Protection---when overload,it will give sound-light alarm and stop working automatically

Can work based on different setting

Self Control and Manual Control

Self Cleaning

Woking Principle:

The bar screens are cleaned by the help of a ladle rake which is connected to an endless chain operating between two sprockets. The ladle rake is lowered down to the bottom of the channel in open position. It is closed at the bottom to clean the debris which is settled on the screen bars and moves up. The collected debris in the ladle rake is cleaned by a counter wiper when the ladle rake reaches to discharge point. Here the screenings are either removed to a container or a transporter for further processing.

wastewater treatment mechanical bar screens

Structure and work principle

 rotary grilling mainly composed of driven device,rake tooth facility ,Flush facility etc, which is assembled to be a group of rotary grille chain by a unique rake tooth, driven by Motor reducer, the rake tooth chain going Rotary motion as reverse flow.

When the rake tooth chain operate to upside of equipment, due to the guiding of Geneva wheel and curve, which produce the relative self-cleaning motion between each group rake tooth, most of the solid drop down by gravity. Another parts clean up the sundries sticking in the rake tooth by sweeper ‘s Reverse movement.

Rake tooth chain similar to grilling by water flow direction, the rake tooth clearance which assembled in rake tooth chain shaft can be chose according to usage condition; Which can guarantee water flow pass by smoothly after the rake tooth separate the suspended solid in the fluid. the whole process can be continuous and intermittent.