Rotary Continuous Reactor for Precise Mixing and Stage Transfer

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Solution Overview

Problem

Continuous reactors require longer reaction times and are not suitable for precise chemical reactions due to the transfer of uncompleted reactions across compartments.

Innovation Solution

A continuous reactor design with oscillating and circumferential rotation of units, utilizing a rotary shaft to stir and transfer substances between connected units without the need for agitation blades or piping, ensuring precise chemical reactions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the target substance is transferred by overflowing within compartments, then the transfer process is simple, but the chemical reaction precision deteriorates because uncompleted reactions are transferred to downstream compartments

Engineering Contradiction:
Improvetransfer mechanism simplicityVSAvoidchemical reaction precision
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The reactor units are designed to perform oscillating rotation about a vertical axis, transforming the static compartment structure into a dynamic system. This oscillating motion creates controlled fluid dynamics that enable precise reaction completion while maintaining transfer simplicity through the rotating interface between units

Inventive Principle:
Principle #15Dynamics

2Speed

If agitation blades are installed in each compartment to accelerate chemical reactions, then the reaction speed is improved, but the device complexity increases

Engineering Contradiction:
Improvechemical reaction speedVSAvoidagitation mechanism complexity
Core Design Contradiction:
SpeedVSDevice complexity

Solution Approach 1:

The patent merges the transfer mechanism and agitation function into a single oscillating rotation system. The rotation driving unit that transfers the target substance between compartments simultaneously provides the agitation needed for chemical reactions, eliminating the need for separate agitation blades in each compartment

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The oscillating rotation system serves multiple functions: it transfers the target substance from upstream to downstream compartments, agitates the substance to accelerate chemical reactions, and controls the reaction timing. This multi-functional design reduces overall device complexity while maintaining reaction speed

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

3Manufacturing precision

If a longer reaction time is required for precise chemical reactions, then the reaction precision is improved, but the productivity decreases

Engineering Contradiction:
Improvechemical reaction precisionVSAvoidproduction efficiency
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The reactor employs periodic oscillating rotation to control the reaction process. The target substance remains in each reactor unit for a controlled duration during the oscillation cycle, allowing precise chemical reactions to complete. The periodic transfer between units maintains steady-state operation and high productivity while ensuring reaction precision

Inventive Principle:
Principle #19Periodic action

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 precise chemical reactions with a simple configuration, achieving efficient stirring and transfer of substances while maintaining reaction accuracy.

Implementation Method 1

the rotation driving unit causes the upstream-side unit to perform oscillating rotation about the rotary shaft in such a way that the target substance is stirred within the upstream-side unit

Methodology Applied
Scientific EffectOscillating rotation:

Implementation Method 2

causes the upstream-side unit to perform circumferential rotation about the rotary shaft in such a way that the target substance is transferred from the upstream-side unit to the downstream-side unit

Methodology Applied
Scientific EffectCircumferential rotation:

Data Source

PatentEP4684873A1Continuous reaction device
Publication Date: 2026.01.28 IFACTORY INC
  • EP4684873A1 patent drawingFigure 1
  • EP4684873A1 patent drawingFigure 2
  • EP4684873A1 patent drawingFigure 3

AI summary

Provided is a continuous reactor capable of performing precise chemical reactions with a simple configuration. A continuous reactor includes an upstream-side unit (10a), a downstream-side unit (10b) connected to the upstream-side unit, and a rotation driving unit configured to rotate the upstream-side unit and the downstream-side unit about a common rotary shaft, in which a target substance to be subjected to a reaction supplied to the upstream-side unit is stirred in the upstream-side unit and subsequently transferred to the downstream-side unit, and the rotation driving unit causes the upstream-side unit to perform oscillating rotation about the rotary shaft in such a way that the target substance is stirred in the upstream-side unit, and causes the upstream-side unit to perform circumferential rotation about the rotary shaft in such a way that the target substance is transferred from the upstream-side unit to the downstream-side unit.