Threaded Reducing Bush Assembly for Debris-Resistant Nozzle Flow
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Solution Overview
Problem
Firefighting and fire suppression systems in pipelines face issues due to scale buildup, debris, corrosion, and marine growth, leading to blockages and system failures, which can result in loss of life, asset damage, and oil spills.
Innovation Solution
A reducing bush apparatus with separate threaded portions for filters and nozzles, allowing for interchangeable and stronger filter designs that can reduce debris entry and blockages, and enabling the use of existing nozzles and filters with the reducing bush, thus mitigating blockages and maintaining clear fluid flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a reducing bush is used to connect a nozzle to a pipeline socket, then the connection between different diameter threads is achieved, but the filter design is constrained by the reducing bush inner diameter and cannot be made stronger or wider
Solution Approach 1:
The reducing bush is divided into two separate components: a reducing bush body and a filter assembly. The filter assembly includes a filter body with external threads that screw into the reducing bush body, which has an internal threaded bore. This segmentation allows the filter to be designed independently with optimal strength and dimensions, unconstrained by the reducing bush's inner diameter, while still achieving the function of connecting different thread diameters.
2Reliability
If scale, debris and pollutants build up in the pipeline, then blockages occur leading to system failure, but traditional reducing bushes do not provide effective filtration
Solution Approach 1:
A filter assembly is introduced as an intermediary component between the pipeline and the nozzle. The filter body with external threads screws into the reducing bush body, positioned in the fluid flow path to intercept and trap scale, debris and pollutants before they can reach and block the nozzle, thereby maintaining system reliability.
3Area of moving object
If the first threaded portion has a larger diameter than the second threaded portion, then wider filters can be used, but the reducing bush must accommodate different diameter threads
Solution Approach 1:
The reducing bush assembly is segmented into a reducing bush body with an internal threaded bore and a separate filter assembly with external threads. The filter body has a first threaded portion that engages with the reducing bush body's internal threads, and a second threaded portion for nozzle connection. This segmentation allows each component to be manufactured independently with optimized dimensions, facilitating the use of wider filters while maintaining ease of manufacture through standardized threading.
Data Source
AI summary
A pipeline apparatus comprising a reducing bush apparatus having a reducing bush, and a pipe fitting comprising a threaded socket. The reducing bush has an outer surface which comprises a threaded portion connected to the threaded socket of the pipe fitting. The reducing bush comprises a bore extending from a first end to a second end, the bore having an inner surface. The inner surface comprises a first threaded portion at its first end on an inside of the pipe fitting, and a second threaded portion at its second end on an outside of the pipe fitting. The outer surface has a larger diameter than the second end of the inner surface. Embodiments further include both a filter and nozzle threadably engaged, on opposite sides of the reducing bush.