Microreactor Fluid Porting Assembly Cooling Gap Design
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Solution Overview
Problem
Microreactors face challenges in maintaining operational integrity at high temperatures and pressures due to seal failure, which can lead to heat accumulation and reduced efficiency.
Innovation Solution
A fluid porting assembly with a pliable seal and a cooling fluid passageway is designed to create a dispensing gap between the sealing interface and the cooling fluid interface, directing cooling fluid around the periphery of the pliable seal to dissipate heat and prevent seal failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pliable seal is used at high temperature interfaces, then sealing reliability is improved, but heat accumulation occurs leading to seal failure
Solution Approach 1:
The patent extracts the harmful heat from the sealing interface by introducing a cooling fluid passageway that directs cooling fluid through a dispensing gap adjacent to the seal. This removes the thermal stress that would otherwise cause seal failure, allowing the pliable seal to maintain reliability at high temperature interfaces.
Solution Approach 2:
The cooling fluid acts as an intermediary substance between the hot process fluid and the pliable seal. It absorbs excess heat through the dispensing gap and prevents thermal degradation of the seal material, thereby protecting the sealing interface from heat accumulation.
2Temperature
If cooling fluid is applied directly at the sealing interface, then heat removal is improved, but seal integrity is compromised
Solution Approach 1:
The patent applies cooling fluid locally through a dispensing gap positioned adjacent to but not directly at the sealing interface. This localized cooling approach removes heat from critical areas without directly impacting the seal, maintaining both heat removal efficiency and seal integrity.
Solution Approach 2:
The cooling fluid is delivered through a dispensing gap that positions the cooling interface in a different spatial dimension relative to the sealing interface. This dimensional separation allows independent optimization of cooling effectiveness and sealing performance without direct interference between the two functions.
3Productivity
If high pressure is applied to improve reaction rate, then productivity is improved, but seal failure risk increases
Solution Approach 1:
The patent implements prior cushioning by providing cooling fluid flow through the dispensing gap before heat accumulation can compromise the seal. This preventive cooling measure cushions the seal against thermal stress that would be exacerbated by high pressure operation, allowing sustained high productivity without increased seal failure risk.
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 removes heat from the microreactor surface, enhancing the operational integrity of the seal and maintaining efficient operation at high temperatures and pressures.
Implementation Method 1
cooling fluid distributed about the periphery of the pliable seal is directed away from the pliable seal along a surface of the microreactor to remove heat from areas of the microreactor in the vicinity of the fluid port and pliable seal
Data Source
AI summary
A fluid porting assembly for a microreactor comprising a process fluid passageway, a pliable seal, and a cooling fluid passageway is provided. The pliable seal is positioned in the vicinity of the process fluid outlet and is configured to define a sealing interface between the process fluid outlet and a fluid port of a microreactor. The cooling fluid passageway terminates at a cooling fluid interface and defines a dispensing gap between the cooling fluid interface and the sealing interface. The cooling fluid outlet is configured to distribute cooling fluid about a periphery of the pliable seal and to direct cooling fluid away from the periphery of the pliable seal through the dispensing gap when the pliable seal of the fluid porting assembly engages a fluid port of a microreactor. The cooling fluid removes heat from areas of the microreactor in the vicinity of the fluid port and pliable seal.