Fire Sprinkler Pipe Corrosion Detection via Thin-Wall Pressure Chamber
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Solution Overview
Problem
Fire sprinkler systems, particularly wet pipe systems, are prone to bursting due to freezing temperatures and accidental water discharge, leading to property damage and system inoperability, while dry pipe systems require pressurized gases, making them unsuitable for all applications, necessitating a method to monitor corrosion effectively.
Innovation Solution
A corrosion monitoring system is implemented in fire sprinkler systems by creating a sealed chamber between a pipe portion with a reduced wall thickness and a sensor to detect pressure changes, allowing for early detection of breaches and preventing system failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a thin-walled pipe section is installed in the fire sprinkler system, then corrosion detection sensitivity is improved, but the pipe becomes more susceptible to mechanical damage and pressure failure
Solution Approach 1:
The fire sprinkler system is segmented into a main thick-walled pipe section and a separate thin-walled test section. The thin-walled section is specifically designed for corrosion monitoring purposes, while the main system maintains its required mechanical strength through the thick-walled pipe sections. This segmentation allows the corrosion detection function to be isolated to a dedicated component that doesn't compromise overall system integrity.
2Reliability
If a corrosion monitoring system with sealed chamber and pressure sensor is implemented, then system reliability is improved through early corrosion detection, but device complexity increases
Solution Approach 1:
The corrosion monitoring system merges multiple functions into integrated components: the sealed chamber serves both as a pressure containment structure and as the sensing element for corrosion detection. The pressure sensor simultaneously monitors both the test section and reference section pressures to detect differential changes indicating corrosion. This merging reduces the number of separate components needed while maintaining reliable corrosion detection capability.
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 enables early detection of pipe breaches due to corrosion, allowing for corrective action before system failure, reducing damage and ensuring system integrity in both wet and dry pipe systems.
Implementation Method 1
a sensor for sensing a pressure in the sealed chamber
Data Source
AI summary
A fire sprinkler system according to one aspect of the present disclosure includes a pipe having a first pipe portion and a second pipe portion. The first pipe portion includes a wall having a first wall thickness, and the second pipe portion includes a wall having a second wall thickness that is greater than the first wall thickness. The fire sprinkler system further includes structure coupled to the pipe and defining a sealed chamber between the structure and at least the first pipe portion, and a sensor for sensing a pressure in the sealed chamber. Example corrosion monitoring devices and methods for monitoring corrosion in pipe systems, including fire sprinkler systems, are also disclosed.