Directed Hydroburst Cleaning for Debris-Clogged Flat Screens
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Solution Overview
Problem
Existing airburst systems for cleaning flat screens in water intake systems are complex and costly to construct, making it difficult to effectively clear debris from flat screens, which are commonly used in applications such as dam and river systems to protect aquatic life.
Innovation Solution
A modular airburst distribution system with parallel pipes and directors that disperse compressed air from a hydroburst system to clear debris from flat screens, featuring a manifold with orifices, distribution pipes with orifices, and directors that focus the airburst to efficiently remove debris from the screen surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing airburst systems are used to clean flat screens, then debris can be cleared from the screen, but the system becomes complex and costly to construct
Solution Approach 1:
The air distribution system is segmented into multiple parallel pipes with individual directors, allowing the system to be divided into modular units that can be independently installed and maintained, reducing overall system complexity while maintaining cleaning effectiveness
Solution Approach 2:
Directors are introduced as intermediary components that guide the airburst flow from the pipes to the screen surface, simplifying the overall system by providing a dedicated flow control element rather than requiring complex nozzle assemblies
2Reliability
If complex airburst systems are implemented, then debris removal is effective, but construction cost increases
Solution Approach 1:
By segmenting the air distribution into simple parallel pipes with basic directors, the system uses common, inexpensive components rather than complex integrated assemblies, reducing manufacturing and installation costs while maintaining debris removal effectiveness
Solution Approach 2:
The system employs simple, easily replaceable director components that can be manufactured at low cost, allowing for economical maintenance and replacement without requiring expensive specialized parts
3Productivity
If airburst is directed at flat screens, then debris is cleared, but the system requires complex manifold structures
Solution Approach 1:
The manifold function is segmented into multiple independent parallel pipes, each with its own director, eliminating the need for a single complex manifold structure and allowing for simpler, more modular installation while maintaining cleaning efficiency
Solution Approach 2:
The air distribution approach transitions from a single centralized manifold to a distributed array of parallel pipes, changing the structural dimension from monolithic to distributed, which simplifies installation and maintenance while preserving cleaning productivity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides an effective and cost-efficient method to clear debris from flat screens, ensuring the screens remain operational and protecting aquatic life by using a modular design that can be easily integrated into existing systems, effectively dispersing air to scour the screen surface.
Implementation Method 1
A compressed air is released by valves from a tank and dispersed from the pipe's orifices
Implementation Method 2
the airburst is dispersed from the pipe's orifices. Each of the directors directs the resulting water/airburst from the orifices toward the adjacent flat screen to clear it of debris
Data Source
AI summary
A screen intake system has a body with an open end and a chamber. A flat screen is disposed at the open end of the body. To keep the screen clear of debris, an airburst system has pipes disposed in the chamber. The pipes dispose parallel to one another adjacent the flat screen, and each of the pipes has orifices in a side facing the flat screen. Directors are disposed along the backs of the pipes in a lattice, and each of the directors has a channel in which the pipe disposes. Compressed air released by valves from a tank dispersed from the pipe's orifices. Each of the directors directs the resulting water/airburst from the orifices toward the adjacent flat screen to clear it of debris.