Reactor Control Using Inverse Analysis of Medium Performance
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Solution Overview
Problem
Existing reactor control systems fail to account for non-uniform medium performance distributions, leading to inefficient operation due to deteriorating catalyst and absorbing liquid performance over time, resulting in varying adsorption and absorption capacities across the flow direction.
Innovation Solution
A reactor control system that utilizes an inverse analysis to determine medium performance distributions based on reactant and adsorption substance introduction and discharge measurements, adjusting operating parameters to maintain efficient reaction conditions through a control signal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the reactor operates for an extended period, then production output is maintained, but medium performance deteriorates causing non-uniform adsorption and absorption capacities
Solution Approach 1:
The patent implements dynamic control of operating parameters (temperature, pressure, flow rates) based on real-time monitoring of medium performance. The control system continuously adjusts parameters to compensate for medium deterioration, transforming the static operating conditions into dynamic ones that adapt to changing medium characteristics, thereby maintaining both productivity and performance uniformity
Solution Approach 2:
The patent changes physical parameters (temperature, pressure, flow rates) and operational parameters (cycle times, regeneration frequencies) to optimize reactor performance. By systematically varying these parameters based on medium age and performance data, the system compensates for medium deterioration and maintains consistent adsorption and absorption capacities throughout the reactor
2Productivity
If operating parameters are adjusted to compensate for medium deterioration, then reaction efficiency is maintained, but control system complexity increases
Solution Approach 1:
The patent implements a feedback control system that continuously monitors reactor performance indicators (conversion rates, selectivity, pressure drops) and uses this information to automatically adjust operating parameters. The feedback loop compares actual performance with target performance and triggers parameter adjustments only when deviations exceed predetermined thresholds, maintaining efficiency while avoiding unnecessary control complexity
Solution Approach 2:
The control system is designed to automatically monitor and adjust parameters without requiring constant human intervention. The system self-regulates by detecting medium performance changes and autonomously modifying operating conditions, reducing the need for complex manual control mechanisms while maintaining reaction efficiency
3Productivity
If medium replacement is delayed to maintain continuous operation, then productivity is improved, but reaction rate decreases due to performance deterioration
Solution Approach 1:
The patent implements periodic regeneration cycles where the reactor operates for a defined period and then undergoes regeneration to restore medium performance. This periodic action allows continuous operation by cycling between reaction and regeneration phases, maintaining both high productivity and reaction rates without requiring frequent medium replacement
Solution Approach 2:
The patent recovers and regenerates spent medium in-place within the reactor system, discarding only when regeneration is no longer effective. The regeneration process restores adsorption and absorption capacities by removing accumulated contaminants, allowing the medium to be reused multiple times while maintaining reaction rates and continuous productivity
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 ensures efficient reactor operation by maintaining consistent reaction rates and capacities by dynamically adjusting the flow of reactants and adsorption substances, thereby optimizing performance and extending catalyst life.
Implementation Method 1
an inverse analysis part which executes an inverse analysis about the reactant introduction fluid measurement data, the adsorption substance introduction fluid measurement data, and the discharge fluid measurement data
Implementation Method 2
NH3 or the like being an adsorption substance is adsorbed onto a medium such as a catalyst
Implementation Method 3
NOx or the like being a reactant reacts with NH3 or the like being an adsorption substance adsorbed onto the medium, in the reactor
Implementation Method 4
a medium such as an absorbing liquid containing amine or the like being a reactant absorbs CO2 being an absorption substance in the reactor
Implementation Method 5
the reactant such as amine reacts with CO2 being an absorption substance
Data Source
AI summary
To provide a reactor control system capable of achieving an efficient operation of a reactor. In a reactor control system in an embodiment, an inverse analysis part finds, as medium performance distribution data, a medium performance distribution in which performance of a medium changes in a flow direction in which a reactant introduction fluid and an adsorption substance introduction fluid pass through the medium by executing an inverse analysis regarding reactant introduction fluid measurement data, adsorption substance introduction fluid measurement data, and discharge fluid measurement data. A control part executes output of a control signal based on the medium performance distribution data.