Bar Screens & Trash Racks
Description
| Technique: | Welded |
| Application: | Screen |
Product Details
Bar screens or Trash racks are the primary filtration elements used to retain bulky and coarse material at the first stage of the water intake system.The bar spacing is fixed depending on the overall screening system and water quality requirement.Debris not retained by the first stage bar screens but still too coarse for separation through travelling band screens are retained by second stage bar screens with smaller bar opening. Two types of bar screens are used for the intake water system:Removable TypeThe removable type bar screens, in single or multiple segments, are lowered into the intake chamber by means of guides installed on the side walls of the concrete structure. The raising/lowering of the bar screen is done through a lifting beam. The segments are raised to the operating floor for manual cleaning. Fixed TypeFixed type bar screens are installed on the concrete structure by grouting/bolting. Cleaning of these bar screens is carried out with a bar screen cleaning equipment.The bar screen consists of steel frames of welded design over which flat bar sections are fixed by bolting or welding. The flats are suitably spaced as per design requirement. Fixed type bar screens, which are cleaned by bar screen cleaning equipment, are provided with interchangeable bar sections for easy replacement. All structural parts, screen bars and supports are selected based on design differential water head.
Bar screens or Trash racks are the primary filtration elements used to retain bulky and coarse material
- Technique:Welded
- Application:Screen
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