Nested Heating and Cooling Apparatus for Continuous Sucrose-6-Ester Production

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Solution Overview

Problem

The existing processes for producing sucrose-6-ester are inefficient due to the need for continuous moisture removal using gas or solvent vapor, leading to high energy consumption, increased production costs, and discontinuous production cycles, which hinder the continuous production of sucrose-6-ester.

Innovation Solution

A device comprising a tank body, a heating pipe, and an annular cooling apparatus arranged in a nested manner, where the heating pipe and annular cooling apparatus form distillation and condensation chambers, allowing for simultaneous distillation and esterification reactions, enabling continuous production of sucrose-6-ester without the need for external moisture removal steps.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If gas or solvent vapor is used to remove moisture from the reaction mixture, then the esterification reaction can proceed, but the production cycle is prolonged and production efficiency is reduced

Engineering Contradiction:
Improveesterification reaction completionVSAvoidproduction efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent combines the moisture removal function and esterification reaction function into a single integrated reaction device. The heating pipe provides heat for both evaporating moisture and driving the esterification reaction simultaneously, eliminating the need for separate moisture removal steps and external gas/solvent vapor addition, thereby shortening the production cycle and improving productivity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The heating pipe serves multiple functions: it heats the reaction mixture to evaporate moisture, maintains the temperature for esterification reaction, and provides the thermal energy for both processes simultaneously. This multi-functional design eliminates the need for separate equipment for moisture removal and reaction, improving production efficiency

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

2Reliability

If gas or solvent vapor is used to remove moisture from the reaction mixture, then the esterification reaction can proceed, but energy consumption and production cost increase

Engineering Contradiction:
Improveesterification reaction completionVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent combines the moisture removal function and esterification reaction function into a single integrated reaction device. The heating pipe provides heat for both evaporating moisture and driving the esterification reaction simultaneously, eliminating the need for separate moisture removal steps and external gas/solvent vapor addition, thereby shortening the production cycle and improving productivity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The reaction mixture itself serves as the medium for moisture removal through internal heating and evaporation. The system uses its own thermal energy to drive off water, eliminating the need for external energy-intensive moisture removal agents like gas or solvent vapor, thereby reducing energy consumption and production cost

Inventive Principle:
Principle #25Self-service

3Reliability

If gas or solvent vapor is used to remove moisture from the reaction mixture, then the esterification reaction can proceed, but the production process becomes discontinuous

Engineering Contradiction:
Improveesterification reaction completionVSAvoidproduction continuity
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent combines the moisture removal function and esterification reaction function into a single integrated reaction device. The heating pipe provides heat for both evaporating moisture and driving the esterification reaction simultaneously, eliminating the need for separate moisture removal steps and external gas/solvent vapor addition, thereby shortening the production cycle and improving productivity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated design allows moisture removal and esterification to occur simultaneously and continuously in the same reaction medium. The heating pipe maintains continuous heating, enabling continuous evaporation of water and continuous progression of the esterification reaction without interruption or batch processing, thereby achieving continuous production

Inventive Principle:
Principle #20Continuity of useful action

4Reliability

If a large amount of gas or solvent capable of removing water is used, then moisture removal is effective, but production cost increases

Engineering Contradiction:
Improvemoisture removal effectivenessVSAvoidproduction cost
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The reaction mixture itself serves as the medium for moisture removal through internal heating and evaporation. The system uses its own thermal energy to drive off water, eliminating the need for external energy-intensive moisture removal agents like gas or solvent vapor, thereby reducing energy consumption and production cost

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

This integrated device facilitates continuous production of sucrose-6-ester, reducing production cycles and improving efficiency by integrating distillation, cooling, and reaction steps, thereby minimizing energy consumption and production costs while maintaining high yield and purity.

Implementation Method 1

a reaction solution is separated into water vapor and evaporation residue through infiltration evaporation

Methodology Applied
Scientific EffectEvaporation: Evaporation

Implementation Method 2

the water vapor is condensed into liquid water in the condensation chamber

Methodology Applied
Scientific EffectCondensation: Condensation

Implementation Method 3

a heating pipe and an annular cooling apparatus arranged in a nested manner... the heating pipe and annular cooling apparatus form distillation and condensation chambers

Methodology Applied
Scientific EffectHeating: Heating

Implementation Method 4

the annular cooling apparatus includes a condensation inner wall, a condenser pipe, and a condensation outer wall

Methodology Applied
Scientific EffectCooling: Cooling

Data Source

PatentEP4163001B1Production apparatus and production method for sucrose-6-ester
Publication Date: 2024.12.11 ANHUI JINHE INDUSTRIAL CO LTD
  • EP4163001B1 patent drawingFigure 1~2
  • EP4163001B1 patent drawingFigure 3~4
  • EP4163001B1 patent drawingFigure 5~6

AI summary

Disclosed are a device and a method for preparing a sucrose-6-ester. The device includes a tank body, a heating pipe, an annular cooling apparatus, and a motor, wherein the annular cooling device and the heating pipe are arranged in the tank body sequentially from inside to outside in a nested manner; the annular cooling apparatus includes a condensation inner wall, a condenser pipe, and a condensation outer wall that are arranged sequentially from inside to outside in a nested manner; a distillation chamber is formed between the heating pipe and the tank body, a condensation chamber is formed between the heating pipe and the condensation outer wall, and a hollow portion of the condensation inner wall forms a reaction chamber; the motor electrically connects the heating pipe and the condensation inner wall, and is able to drive the heating pipe and the condensation inner wall to rotate for separating a reaction solution into a water vapor and an evaporation residue; the heating pipe is provided with a vapor outlet such that the water vapor is able to enter the condensation chamber from the distillation chamber; and an evaporation residue channel is formed at an end of the heating pipe away from the feed inlet, and the evaporation residue channel does not contact the annular cooling apparatus and communicates with the reaction chamber. The device makes it possible to realize the continuous production of a sucrose-6-ester, which greatly shortens the production cycle.