Nested Pre-Charge Cartridges for Reciprocating Pump Pulsation Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Reciprocating pump fluid transfer systems face challenges in effectively controlling pulsation amplitudes, leading to equipment damage and performance issues due to pressure peaks and pulsations, which conventional pulsation control devices struggle to manage across varying operating pressures and fluid conditions.
Innovation Solution
The use of nested pre-charge cartridges, specifically a combination of first, second, and third gas cartridges with decreasing diameters, which are independently and cumulatively designed to reduce pulsations by compressing and expanding to absorb pressure variations, enhancing pulsation control and extending the operational life of suction stabilizers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional single-stage pulsation control devices are used, then the device structure is simple, but the pulsation control effectiveness is insufficient across varying operating pressures
Solution Approach 1:
The pulsation control device is divided into multiple independent cartridges (first, second, and third cartridges) with different pre-charge pressures. Each cartridge segment handles specific pressure ranges, allowing the system to effectively control pulsations across varying operating pressures while maintaining manageable structural complexity through modular design
Solution Approach 2:
The cartridges are nested within each other, with the second cartridge inside the first and the third cartridge inside the second. This nesting arrangement allows multiple pulsation control stages to be integrated in a compact configuration, improving control effectiveness without proportionally increasing the device's external dimensions and complexity
2Reliability
If larger diameter cartridges are used to reduce pulsations, then pulsation control improves, but the device size and integration flexibility are reduced
Solution Approach 1:
By nesting smaller diameter cartridges within larger ones, the system achieves effective pulsation control across multiple pressure ranges without requiring a single large device. The nested configuration allows the cartridges to be integrated into standard pump housings and piping arrangements, maintaining adaptability and versatility for different installation locations
Solution Approach 2:
The segmented cartridge design allows each component to be independently sized and positioned within the nested structure. This segmentation enables flexible integration into various pump system configurations while collectively providing comprehensive pulsation control effectiveness
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 nested gas charged cartridges effectively reduce pulsations, improve fluid flow stability, and extend the maintenance interval of suction stabilizers, providing efficient pulsation control across a wider range of operating pressures and fluid conditions, thus enhancing the performance and longevity of reciprocating pump systems.
Implementation Method 1
a combination of first, second, and third gas cartridges with decreasing diameters, which are independently and cumulatively designed to reduce pulsations by compressing and expanding to absorb pressure variations
Data Source
AI summary
A nested gas charged cartridge for insertion in a cylinder to reduce pulsations in a fluid pumping system includes a first gas cartridge and a second gas cartridge, and optionally a third gas cartridge. Each of the first, second, and third gas cartridges independently and cumulatively reduce pulsations entering the cylinder. A diameter of the third gas cartridge is less than a diameter of the second gas cartridge, which both are less than a diameter of a first gas cartridge.