Continuous Aromatic Polymer Production via Gravity Flow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing continuous production apparatuses for aromatic polymers require significant energy and resources due to the need for multiple pressure-resistant vessels and complex piping, making resource conservation, energy conservation, and equipment cost reduction difficult.
Innovation Solution
A continuous production method and apparatus that involves a series of reaction vessels with uniform gas phase pressure, where a polymerization solvent and reaction raw materials are supplied, and a polycondensation reaction forms ether or imide bonds, allowing the reaction mixture to move successively between vessels using gravity and differences in liquid surface levels, eliminating the need for separate transfer equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple pressure-resistant polymerization vessels and complex piping are used, then continuous production of aromatic polymer is achieved, but energy consumption and equipment costs increase significantly
Solution Approach 1:
The patent merges multiple separate polymerization vessels into a single integrated reaction container that can accommodate multiple reaction zones. This consolidation eliminates the need for complex piping systems and multiple pressure-resistant vessels while maintaining continuous production capability, thereby significantly reducing energy consumption for pumping and heating.
Solution Approach 2:
The single reaction container is designed to perform multiple functions: it serves as both the reaction vessel and the containment structure for multiple reaction zones. The container can simultaneously host different reaction conditions and polymerization processes, replacing what would traditionally require multiple specialized vessels.
2Productivity
If multiple pressure-resistant polymerization vessels and transfer equipment are used, then continuous production is achieved, but equipment complexity and costs increase
Solution Approach 1:
The patent combines multiple reaction zones within a single reaction container, eliminating the need for separate vessels and the complex piping infrastructure that would connect them. This integration dramatically simplifies the overall apparatus while enabling continuous production through the multi-zone design.
3Productivity
If separate transfer equipment is used to move reaction mixture between vessels, then continuous production is maintained, but energy consumption increases
Solution Approach 1:
By integrating multiple reaction zones within a single reaction container, the patent eliminates the need for external transfer equipment to move reaction mixtures between separate vessels. The zones are hydraulically connected, allowing continuous flow without additional pumping energy.
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 approach enables resource conservation, energy conservation, and equipment cost reduction by simplifying the apparatus and reducing energy requirements, while maintaining efficient polymerization through uniform pressure and effective stirring.
Implementation Method 1
allowing the reaction mixture to move successively between vessels using gravity and differences in liquid surface levels
Data Source
AI summary
To provide a continuous production apparatus and a continuous production method for an aromatic polymer which enable resource conservation, energy conservation, and equipment costs reduction. A continuous production method for an aromatic polymer having an ether bond or an imide bond, the method including: (a) supplying a polymerization solvent and a reaction raw material to a continuous production apparatus including a plurality of reaction vessels; (b) performing a polycondensation reaction in the polymerization solvent in at least one of the reaction vessels to form a reaction mixture; and (c) successively moving the reaction mixture to each of the reaction vessel, the steps (a), (b), and (c) being performed in parallel; wherein an ether bond or an imide bond is formed by the polycondensation reaction; respective gas phase parts of the plurality of reaction vessels communicate with one another; and a pressure of each of the gas phase parts is uniform.