Segmented Spray Boom for Flexible Hydraulic Descaling
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Solution Overview
Problem
Existing descaling systems for metallic materials lack flexibility, leading to reduced operational reliability and increased production downtime due to nozzle failures and limited operational modes, as well as higher costs and space requirements when using multiple devices.
Innovation Solution
A spray boom with at least two adjacent supply channels that can independently supply different groups of spray nozzles with descaling fluid, allowing for varying pressures and volume flows, and enabling individual or simultaneous operation of nozzles or rows, with adjustable distance and media parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple identical or similar descaling devices are arranged one behind the other to increase flexibility, then adaptability is improved, but device complexity, space requirements, and production costs increase
Solution Approach 1:
The spray bar is divided into multiple independent nozzle rows, each capable of being operated separately. This segmentation allows the system to achieve the flexibility of multiple descaling devices while maintaining a compact single-unit structure, avoiding the need to arrange multiple complete descaling devices in sequence
Solution Approach 2:
Each nozzle row can function independently to handle different operating requirements, making the spray bar universally applicable to various descaling scenarios. The system can switch between different nozzle rows based on production needs, effectively providing multiple functional modes within a single device
2Adaptability or versatility
If multiple identical or similar descaling devices are arranged one behind the other to increase flexibility, then adaptability is improved, but the space requirement increases
Solution Approach 1:
Multiple nozzle rows that would traditionally require separate descaling devices are merged into a single spray bar structure. The nozzle rows are arranged adjacent to each other in the transverse direction, allowing them to share common support structures and control systems, thereby reducing the overall space requirement while maintaining operational flexibility
3Adaptability or versatility
If multiple identical or similar descaling devices are arranged one behind the other to increase flexibility, then adaptability is improved, but production costs increase
Solution Approach 1:
The spray bar is divided into multiple independent nozzle rows, each capable of being operated separately. This segmentation allows the system to achieve the flexibility of multiple descaling devices while maintaining a compact single-unit structure, avoiding the need to arrange multiple complete descaling devices in sequence
Solution Approach 2:
Each nozzle row can function independently to handle different operating requirements, making the spray bar universally applicable to various descaling scenarios. The system can switch between different nozzle rows based on production needs, effectively providing multiple functional modes within a single device
4Reliability
If individual nozzles fail in a row of descaling nozzles, then operational reliability deteriorates, but production must be interrupted for nozzle replacement
Solution Approach 1:
The spray bar is divided into multiple independent nozzle rows, each capable of being operated separately. This segmentation allows the system to achieve the flexibility of multiple descaling devices while maintaining a compact single-unit structure, avoiding the need to arrange multiple complete descaling devices in sequence
Solution Approach 2:
The system can dynamically change operational parameters by switching between different nozzle rows based on real-time conditions. This allows adaptation to varying production requirements and maintains optimal descaling performance throughout operation
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
This configuration enhances operational reliability, reduces downtime, and allows for flexible operation with reduced space requirements, enabling efficient descaling with minimal production interruptions and lower costs.
Implementation Method 1
the descaling fluid is generally passed through descaling nozzles, with the jet direction usually being directed against the running direction of the strip at a defined impact angle
Implementation Method 2
remove scale from the strip surface with a jet of media under high pressure
Data Source
Figure 1~2
Figure 3a~3b
Figure 4a~4b
AI summary
The spray boom (1) for a hydraulic descaling unit for the production of metal bands, comprises spray nozzles (2, 3), supply channels (4, 5) with descaling liquid to be supplied, a device for collecting the descaling liquid, and an unit for adjusting the distance between the spray boom and the surface of descaling product. Each of the different spray nozzles is supplied with the descaling liquid. The supplying channels are arranged sequently in conveying direction of the product, which is descaled in a common housing (7), which has two tubular supplying channels with semicircular cross section. The spray boom (1) for a hydraulic descaling unit for the production of metal bands, comprises spray nozzles (2, 3), supply channels (4, 5) with descaling liquid to be supplied, a device for collecting the descaling liquid, and an unit for adjusting the distance between the spray boom and the surface of descaling product. Each of the different spray nozzles is supplied with the descaling liquid. The supplying channels are arranged sequently in conveying direction of the product, which is descaled in a common housing (7), which has two tubular supplying channels with semicircular cross section. The collecting device is assigned to the spray boom and the spray nozzles, and is formed as crimping rollers. Unit for switching the liquid supply to the supply channel is present independent to the liquid supply of another supply channel. The spraying nozzles are arranged to each other in the direction transverse to the conveying direction of the product. An independent claim is included for a method for the operation of the spray boom.