Floating Tray Fluid Distributor for Catalytic Reactors
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Solution Overview
Problem
Catalytic chemical reactors face challenges in achieving even fluid distribution and particle separation without requiring additional support structures, especially in reactors not originally designed for fluid distribution trays, which can lead to catalyst clogging and reduced operational efficiency.
Innovation Solution
A floating tray fluid distributor made of segments that can be assembled and removed without external support, using wire mesh supports to distribute the load evenly on the catalyst bed while allowing fluid flow, and incorporating particle collection and quick release mechanisms for easy installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional tray fluid distributor is installed in a reactor not originally designed for it, then fluid distribution is improved, but the reactor requires additional support structures which increases device complexity
Solution Approach 1:
The floating tray utilizes the catalyst bed itself as its support structure, eliminating the need for separate support rings or anchors. The tray 'floats' on the catalyst bed, using the catalyst particles to bear its weight and provide structural support, thereby simplifying the overall reactor design while maintaining effective fluid distribution
Solution Approach 2:
The catalyst bed serves dual functions: it provides the catalytic reaction surface and simultaneously acts as the support structure for the floating tray. This multi-functionality eliminates the need for dedicated support structures, reducing device complexity while achieving the desired fluid distribution improvement
2Manufacturing precision
If a tray fluid distributor is installed to optimize fluid distribution, then catalyst utilization is improved, but installation and removal require cutting open the reactor which increases loss of time
Solution Approach 1:
The floating tray is designed as an assembly of detachable tray sections that can be easily assembled and disassembled through the existing reactor openings. This segmentation allows the tray to be installed and removed in pieces without requiring the reactor to be cut open, significantly reducing maintenance time and operational disruption
Solution Approach 2:
The tray sections are designed with movable and detachable connections, allowing dynamic assembly and disassembly through the reactor's existing openings. This enables quick installation and removal operations without permanent reactor modification, reducing downtime and maintenance costs
3Reliability
If particles are present in the process fluid, then particle separation is needed to prevent catalyst clogging, but adding a particle separator increases device complexity
Solution Approach 1:
The particle separator is integrated with the floating tray fluid distributor into a single combined unit. The tray sections incorporate particle separation functionality directly into their structure, eliminating the need for a separate, standalone separator device and thereby reducing overall device complexity while maintaining catalyst protection
Solution Approach 2:
The floating tray serves multiple functions simultaneously: it distributes fluid evenly across the catalyst bed, collects and separates particles from the process fluid, and provides structural support. This multi-functionality consolidates what would traditionally require separate devices into a single integrated unit, reducing device complexity
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
Ensures prolonged catalyst life by preventing clogging, optimizing fluid distribution, and allowing for easy retrofitting and maintenance without the need for additional reactor supports, enhancing operational efficiency and flexibility.
Implementation Method 1
support members which enables the floating tray to be supported on top of the catalyst bed
Implementation Method 2
wire mesh supports to distribute the load evenly on the catalyst bed while allowing fluid flow
Implementation Method 3
made of segments enabling the floating tray to be assembled within the reactor as well as detached and removed from the reactor via the existing service openings
Data Source
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AI summary
A catalytic reactor comprises a floating tray fluid distributor and optionally also an integrated particle separator which is modular build to be assembled inside the reactor and which has support members enabling the floating tray to be floating supported by the catalyst bed inside the reactor.