Pressure Pulse Stabilizer for Pipeline Hydro-Shock Damping
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Solution Overview
Problem
Existing pressure control systems for liquids and gases are inefficient in managing hydro-shocks, leading to pipeline ruptures, economic losses, and operational challenges due to complex manufacturing, assembly, and low pulse quenching efficiency.
Innovation Solution
A method involving the installation of pressure pulse stabilizers along pipelines, utilizing a hollow cylindrical design with phase shift and damping mechanisms to suppress wave oscillations, featuring a concentric separator and spring-loaded pistons to equalize pressure and dissipate energy through radial and inclined holes, effectively reducing pressure pulses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pressure pulse stabilizer is installed to suppress hydro-shocks and pressure pulses, then pipeline reliability is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The stabilizer is divided into multiple functional segments: a hollow cylindrical casing, a concentric separator creating straight and vortex flow chambers, a damping block with spring-loaded pistons, and perforated partitions. Each segment performs a specific function in dissipating pressure pulse energy through phase-shifted flow paths and mechanical damping, resolving the contradiction by making the complex device modular and manageable.
Solution Approach 2:
The separator and separation shell are concentrically arranged within the cylindrical casing, creating nested chambers. The damping block with pistons is nested within the compensation chamber formed between the separator and casing. This nested configuration achieves complex pressure equalization and damping functions within a compact structure, reducing overall device complexity while maintaining reliability.
2Productivity
If a complex stabilizer structure with multiple chambers and damping mechanisms is used, then pulse quenching efficiency is improved, but manufacturing and assembly difficulty increase
Solution Approach 1:
The stabilizer components are designed as separate manufacturable units: the cylindrical casing, the separator assembly, the damping block with pistons, and the end plugs. These segmented components can be manufactured independently using standard machining processes and then assembled, improving ease of manufacture while maintaining the multi-chamber structure necessary for high pulse quenching efficiency.
Solution Approach 2:
The spring-loaded pistons act as intermediary elements between the pressure chambers and the damping block. They automatically respond to pressure differential signals, shifting to equalize pressures without requiring complex control systems. This intermediary mechanism achieves efficient pressure equalization through simple mechanical action, enhancing pulse quenching efficiency while keeping the system manufacturable.
3Device complexity
If traditional pressure control methods are used, then device simplicity is maintained, but pulse suppression efficiency decreases leading to pipeline damage
Solution Approach 1:
The stabilizer intentionally creates controlled mechanical vibrations and turbulence in the flow through the vortex chamber and inclined holes. The separator directs part of the flow into rotational motion, and the damping block with movable pistons generates oscillatory pressure equalization. These mechanical vibrations dissipate pressure pulse energy effectively, improving pipeline protection while maintaining a relatively simple overall device structure.
Solution Approach 2:
The stabilizer changes the flow parameters by creating phase-shifted flow paths through radial and inclined holes. The spring-loaded pistons dynamically adjust chamber volumes and pressure differentials in response to incoming pressure pulses. These parameter changes enable effective pulse suppression while keeping the device structure simple and adaptable to varying operating conditions.
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
Simplifies manufacturing and assembly, enhances pulse quenching efficiency, reduces pipeline accidents by 70-80%, prolongs pipe lifespan, and decreases operational costs by preventing hydro-shock-induced damage and vibrations.
Implementation Method 1
damping block with a spring-loaded piston
Implementation Method 2
spring-loaded on both sides pistons
Implementation Method 3
vortex chamber larger in size in which the specified delay performed by diverting of the second part of the flow through the said additional inlet in the form of inclined holes
Implementation Method 4
Energy of the perturbing pulse pressure in the main pipelines is killed by the phase shift and suppression of wave
Implementation Method 5
damping block with a spring-loaded piston
Data Source
AI summary
The invention relates to the field of physics—namely, to control systems and the pressure control of liquids and gases, in particular—to stabilizing devices operating at overloads, including hydraulic shocks. Technical result from use of the claimed invention is simplicity of the manufacturing process and assembly, easiness of operation and efficiency of quenching pulses. A method consists of the fact that at the section of said pipeline installed at least one pressure pulse stabilizer in the direction of movement of transferred medium from supplier to consumer. Pulse flow is directed as a first portion into the stabilizer, and after its first portion a second portion of the flow is directed, which after a delay is sent into additional input of the stabilizer. The potential sources of pressure pulses are preliminary revealed on the protected section of the pipeline. Then the place of installation of the stabilizer is defined based on condition—at a distance no further than 10 meters from the potential point source of pressure pulses and on condition—at a distance 100-1000 meters during preventive installation on the road, at least two stabilizers on the stage. Stabilizers are oriented on the pointer on its outer surface toward the potential point source of the pressure pulses and the arrows pointed in the same direction as the direction of flow of the transferred medium at the stages. Stabilizers have straight flow chamber for at least ⅓ less than largest vortex chamber, between the casing and shell—pressurized chamber connected via radial openings with straight flow chamber and the equalizing chamber, which connected via inclined holes with the vortex chamber. The diameter of the radial openings is 1.2-4 of the diameter of inclined holes. The angles α and β of inclined holes—in the range 0-45°. Pressure in the pressure and in the levering chambers is equalized by shifting the pistons by the springs to the original position. Different options are offered for killing of pressure pulse by different means, associated with variations in the design of elements of the stabilizer.