Pulsation Dampener with Interchangeable Pressure Drop Tubes
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Solution Overview
Problem
Conventional pump discharge pulsation dampeners often fail to effectively manage pressure peaks and pulsation amplitudes across varying piston or plunger sizes, leading to reduced pump performance and operational life in reciprocating systems.
Innovation Solution
The implementation of a pump discharge pulsation dampener system with dual outlets featuring internal or external pressure drop tubes or orifice plates of different diameters, allowing for selective use or interchangeability based on piston size, to control discharge pressure pulse amplitudes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single pressure drop tube or orifice plate is used in the dampener, then the structure is simple and easy to manufacture, but it cannot effectively manage pressure peaks across varying piston sizes
Solution Approach 1:
The dampener is segmented into multiple outlets, each equipped with a different pressure drop tube or orifice plate configuration. This allows each outlet to be optimized for specific piston sizes, enabling the single dampener unit to handle a range of operating conditions effectively.
Solution Approach 2:
The dampener is designed with multi-functionality by incorporating multiple outlets with different pressure drop characteristics. This universal design allows the same dampener to serve multiple piston size configurations, replacing the need for multiple specialized dampeners.
2Reliability
If the pressure drop tube inner diameter is fixed, then the manufacturing is simple, but the discharge pressure pulse amplitude cannot be optimized for different piston sizes
Solution Approach 1:
Different pressure drop tubes or orifice plates with specific inner diameters are assigned to different outlets based on their intended use with particular piston sizes. This local quality approach ensures that each outlet has the precise flow characteristics needed for its specific application, optimizing pump performance for various configurations.
3Duration of action of stationary object
If conventional single outlet dampeners are used, then the device complexity is low, but the ability to control pressure peaks varies with piston size leading to reduced pump life
Solution Approach 1:
The dampener incorporates interchangeable pressure drop tubes or orifice plates that can be dynamically selected and replaced based on the piston size being used. This dynamic adaptability allows the system to maintain optimal pressure peak control across different operating conditions, extending pump life without requiring a completely complex redesign.
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
This solution enhances the operational performance and extends the life of reciprocating pumps by effectively managing pressure peaks and pulsation amplitudes across different piston sizes, improving fluid flow management and reducing wear on pump components.
Implementation Method 1
Different inner diameter internal or external pressure drop tubes or orifice plate openings producing different discharge pressure pulse amplitudes are employed in a pump pulsation control reactive discharge dampener
Implementation Method 2
Pulsation dampeners aid in reducing pump loads and minimizing pulsation amplitudes to the pump, the pump's fluid end expendable parts and to equipment downstream
Data Source
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AI summary
Different inner diameter internal or external pressure drop tubes 304, 305 or orifice plate 1004, 1005 openings producing different discharge pressure pulse amplitudes are employed in a pump pulsation control reactive discharge dampener 300, 1000. Either both pressure drop tubes/orifice plates may be mounted concurrently on or in the dampener, connected to different discharge pipes used selectively by the operator depending upon the piston or plunger size being employed, or the pressure drop tubes/orifice plates may be interchangeable.