Portable Static Mixer With Spiral Piping for Pressurized Dosing
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Solution Overview
Problem
Existing mixing systems for pressurized fluid streams struggle to efficiently incorporate dry powder, liquid, or dissolvable solid materials, particularly in applications like portable settling tanks and sedimentation ponds, due to limitations in adjusting flow rates and mixing efficiency.
Innovation Solution
A portable mixing system with a static mixer featuring a spiral pathway of piping, baffled segments, and an air flow management subsystem, designed for easy transport and high-capacity mixing, capable of integrating with third-party injection systems to handle pressurized flows effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a venturi mixer is used to mix dry materials into pressurized fluid, then mixing capability is provided, but the system cannot easily adjust dry material flow rates for distinct dosing requirements
Solution Approach 1:
The system incorporates a variable speed pump that can dynamically adjust the pressurized fluid flow rate, enabling flexible control of dosing requirements. The pump speed can be varied to match different dry material flow rates, providing adaptability while maintaining operational simplicity through a single control mechanism.
Solution Approach 2:
The system includes flow meters that monitor both the pressurized fluid flow and dry material flow, providing feedback to the control system. This enables automatic adjustment of pump speed to maintain optimal mixing conditions and dosing rates, resolving the contradiction between adjustability and operational simplicity.
2Adaptability or versatility
If a venturi mixer is used for mixing, then dry materials can be mixed into liquids, but certain pressures are required to operate
Solution Approach 1:
The variable speed pump allows the system to operate at different pressure levels by adjusting pump speed. This eliminates the need for high minimum pressures while maintaining effective mixing capability, enabling the system to adapt to various pressure conditions and applications.
Solution Approach 2:
The system changes the operating parameters by varying pump speed to control pressure output. This allows the same mixing mechanism to function effectively across a wide range of pressures, eliminating the constraint of requiring certain minimum pressures for operation.
3Productivity
If a static mixer with spiral pathway is used, then mixing efficiency is improved, but device complexity increases
Solution Approach 1:
The system uses hydraulic principles by utilizing the existing pressurized fluid flow to drive the mixing process. The spiral pathway static mixer leverages the fluid's kinetic energy and pressure to create turbulent mixing, eliminating the need for additional mechanical driving components and reducing overall device complexity while maintaining high mixing efficiency.
Solution Approach 2:
The static mixer is designed to be self-actuating, using the pressurized fluid flow itself to provide the energy needed for mixing. The spiral pathway configuration allows the fluid to mix itself through its own motion and pressure, eliminating the need for external motors, impellers, or other powered mixing components.
4Ease of operation
If a portable mixing system is designed, then mobility is improved, but mixing capacity may be reduced
Solution Approach 1:
The mixing system is divided into modular components including a portable housing, separate pump assembly, and detachable mixing elements. This segmentation allows the system to be easily assembled, disassembled, and transported while maintaining full mixing capacity when deployed, as each component can be optimized independently for portability and performance.
Solution Approach 2:
The system achieves high mixing capacity within a compact portable form factor by utilizing three-dimensional space efficiently. The spiral pathway mixer and baffled segments are configured to maximize mixing volume within a small footprint, allowing the system to provide industrial-level mixing capacity in a portable package suitable for field applications.
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 provides efficient mixing of dry powder, liquid, or dissolvable solid materials within pressurized fluid streams, ensuring effective treatment in applications such as stormwater treatment, industrial effluent management, and sedimentation ponds, with a compact design suitable for portable use.
Implementation Method 1
wherein the static mixer includes a spiral pathway of piping extending to the fluid outlet
Implementation Method 2
A low-pressure area is created by increasing the flow velocity through the venturi nozzle
Implementation Method 3
an air flow management subsystem
Data Source
AI summary
A portable mixing system for pressurized flow comprises a portable housing including a base supporting the system; a fluid inlet within the housing; a fluid outlet within the housing; a static mixer within the housing in fluid communication with the fluid inlet and the fluid outlet, the static mixer including a spiral pathway of piping extending to the fluid outlet, and wherein the portable mixing system may be moved as a single unit, has a footprint not greater than 5.5′×8′, has a weight less than 3000 lbs, and a total height less than 10′.