Category:
Mechanized screens
Catenary bar screen is designed to remove large and medium-sized debris from industrial and domestic wastewater with subsequent mechanical waste discharge onto a conveyor or waste container.
This type of equipment differ with increased capacity and special highly reliable design allowing as well to avoid jamming.
Catenary screen is consisted of stationary frame and movable rake mechanism connected with a swinging suspension. One of the main operational elements of the screen and in the same time – the part of the frame itself, is a filtering mesh, which collects debris from wastewater flow in a channel. Rake mechanism removes the waste collected on the bars into a discharge zone, from where they dumped into container or conveyor.
The catenary screen operation is based on the flexibility of the rake mechanism and self-regulation to debris size and their mechanical properties. The screen design does not contain any guidings, which set strictly trajectory of chains and rakes movement; efficient clamping is possible within the special design of rake mechanism. The chain is not fastened in the near-bottom part of the structure, allowing to avoid mechanism jamming.
Standard technical characteristics of catenary bar screen
The value of the parameter | |
Channel width | From 500 to 2100 mm |
Channel height | From 600 to 6000 mm |
Bar size | From 6 mm or above |
Inclination | 75-45° (60° by default) |
Material | Painted carbon steel |
Mesh and dead plate material | Stainless steel AISI304, AISI316 |
Rake and wiper material | UHMW PE |
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