Reaction Analysis Device Temperature Field Detection

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Solution Overview

Problem

Current methods for optimizing reaction conditions in organic chemical reactions, such as those for medical supplies and fine chemical materials, require extensive sampling and experimentation, leading to time-consuming and labor-intensive processes for determining reaction rates and product concentrations.

Innovation Solution

A reaction analysis device and system that utilize a processor to specify the reaction state of a reaction fluid based on temperature distribution parameters, allowing for the calculation of reaction rates, reactant concentrations, and product yields by adjusting and storing reaction parameters related to heat generation and temperature dependency, and controlling reaction conditions in real-time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If sampling and extraction methods are used to measure reaction rates, then measurement precision can be achieved, but loss of time increases significantly due to repeated experiments and manual processing

Engineering Contradiction:
Improvereaction rate measurementVSAvoidtime for condition optimization
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces mechanical sampling and extraction systems with a temperature field-based detection system. By measuring temperature distribution in the reaction fluid and using inverse heat conduction analysis, the system directly obtains reaction rate information without physical sampling, thereby eliminating time-consuming manual operations while maintaining measurement precision.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the measurement parameter from concentration (requiring extraction and analysis) to temperature (measurable in real-time). By monitoring temperature distribution and its temporal changes, the system infers reaction rates through heat generation relationships, enabling continuous non-intrusive measurement that drastically reduces optimization time.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If multiple sampling points and repeated experiments are conducted to optimize reaction conditions, then manufacturing precision of reaction parameters improves, but device complexity increases due to multiple measurement systems

Engineering Contradiction:
Improvereaction condition optimizationVSAvoidmeasurement system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent makes the temperature measurement system multi-functional by using it for both process monitoring and reaction rate determination. The same temperature sensors and thermal field analysis system that monitor reaction progress also provide kinetic data through inverse heat conduction analysis, eliminating the need for separate concentration measurement apparatus and reducing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces temperature field as an intermediary that connects reaction kinetics to measurable quantities. Instead of directly measuring concentration or reaction rate, the system measures temperature distribution and uses heat generation relationships as an intermediary to infer reaction parameters, simplifying the measurement system while maintaining precision.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If extensive sampling and analysis are performed to obtain concentration data, then reliability of reaction state specification improves, but loss of substance increases due to repeated sampling

Engineering Contradiction:
Improvereaction state specificationVSAvoidreaction fluid loss
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The patent enables the reaction system to self-monitor through temperature field measurements that do not require external sampling or intervention. The temperature sensors measure the thermal state of the reaction fluid in situ, and the inverse heat conduction analysis automatically provides reaction rate information, eliminating the need for manual sampling and analysis operations that consume reaction material.

Inventive Principle:
Principle #25Self-service

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

Enables the detection of reaction states, including reaction rates, in a significantly shorter time without multiple experiments, reducing man-hours and increasing data acquisition efficiency by up to 100 times, thereby enhancing reaction optimization and product yield prediction.

Implementation Method 1

information indicating a temperature measured by the temperature measurer

Methodology Applied
Scientific EffectTemperature measurement:

Implementation Method 2

a temperature distribution calculation value indicating a temperature distribution of the reaction fluid immediately after the reaction starts is calculated on the basis of the reaction parameter

Methodology Applied
Scientific EffectHeat generation from chemical reaction: Exothermic Reaction

Data Source

PatentEP3889593B1Reaction analysis device, reaction analysis system, and reaction analysis method
Publication Date: 2024.04.10 YOKOGAWA ELECTRIC CORP
  • EP3889593B1 patent drawingFigure 1~2
  • EP3889593B1 patent drawingFigure 3
  • EP3889593B1 patent drawingFigure 4

AI summary

A reaction analysis device specifies a reaction state of a reaction fluid flowing through a flow reactor. The reaction analysis device includes a processor configured to specify the reaction state of the reaction fluid based on a reaction parameter indicating the reaction state of the reaction fluid which is obtained from a temperature distribution of the reaction fluid immediately after a reaction starts in a flow direction of the reaction fluid.