Reversible Pump Pipeline Leak Containment
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Solution Overview
Problem
Existing pipeline systems face challenges in minimizing leakage, particularly in subsea and surface pipelines, which can lead to environmental damage due to the risk of leaks and the inefficiency of current leak mitigation technologies.
Innovation Solution
A method and apparatus utilizing reversible, positive displacement pumps connected to pipelines, equipped with leak detection systems and control mechanisms to redirect fluid from a downstream section into a storage container upon leak detection, allowing for efficient containment and reduction of leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional one-way pumps are used in pipeline systems, then fluid can be transported efficiently in one direction, but the system cannot rapidly respond to leaks by reversing flow direction to contain or remove leaked fluid
Solution Approach 1:
The pump system is designed to dynamically change its operating mode from forward pumping to reverse pumping based on leak detection signals. The reversible pump mechanism allows the flow direction to be changed rapidly, enabling the system to adapt to emergency conditions and contain or remove leaked fluid, thus resolving the contradiction between reliable fluid transport and adaptability to leak scenarios.
Solution Approach 2:
The pump is designed with multi-functionality, serving both as a forward pumping device for normal fluid transport and as a reverse pumping device for leak mitigation. This universal design eliminates the need for separate containment pumps and allows a single device to perform multiple critical functions, improving both reliability and adaptability.
2Object-affected harmful factors
If pipeline flow is rapidly shut down to prevent leakage spread, then environmental damage is minimized, but fluid transport productivity is reduced
Solution Approach 1:
The invention extracts the leaked fluid from the pipeline system by reversing the pump to draw fluid out of the downstream section and redirecting it to a storage container. This removes the harmful leaked fluid from the environment while allowing the main pipeline flow to be quickly isolated and shut down, thus minimizing environmental damage without requiring complete system shutdown.
Solution Approach 2:
The system performs preliminary containment action by rapidly reversing the pump at the moment of leak detection to prevent leaked fluid from spreading further. This preliminary response stops the harmful effect before it can cause significant environmental damage, allowing normal operations to resume quickly after the incident.
3Reliability
If reversible pumps are used to enable rapid leak response, then leak containment capability is improved, but pump system complexity increases
Solution Approach 1:
The invention merges the forward pumping function and reverse pumping function into a single reversible pump unit. By combining these functions in one device rather than using separate pumps for each direction, the system achieves rapid leak response capability while minimizing the increase in overall system complexity. The reversible mechanism integrates multiple functions into a unified structure.
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 solution effectively reduces leakage by rapidly isolating and containing fluid leaks, minimizing environmental impact and enabling quick shutdown of fluid flow, even in subsea environments, through the use of reversible pumps and a controlled valve system.
Implementation Method 1
drawing fluid out of the downstream section further comprises creating a vacuum in the downstream section that draws water into the pipeline through the leak
Implementation Method 2
creating a vacuum in the downstream section that draws water into the pipeline through the leak
Data Source
AI summary
A method of reducing leakage from a pipeline includes the steps of: pumping fluid through a pipeline using at least one pump, the at least one pump comprising a reversible, positive displacement fluid pump; detecting a leak in the pipeline downstream of the pump; reversing the at least one pump to draw fluid out of a downstream section of the pipeline; and redirecting the fluid being drawn from the pipeline into a storage container.