Guide-Cylinder Reaction Kettle for Faster Slurry Mixing
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Solution Overview
Problem
The existing ternary precursor production process is slow and inefficient, with low productivity due to the slow mixing and reaction of raw materials in reaction kettles.
Innovation Solution
A high-efficiency reaction kettle design featuring a guide cylinder, stirring device, baffle, and solid-liquid separation device, which optimizes the flow field and enhances mixing efficiency through specific structural arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional stirring is performed in the reaction kettle, then raw materials can be dispersed into slurry, but the reaction process is slow and productivity is low
Solution Approach 1:
The reaction kettle is divided into multiple functional zones using guide cylinders and baffles. The guide cylinder segments the upper region to create a dedicated mixing zone, while baffles segment the side walls to guide flow patterns. This segmentation allows different regions to perform specific functions (mixing, reacting, settling) simultaneously, increasing overall productivity without sacrificing reaction speed.
Solution Approach 2:
The invention introduces vertical flow guidance through guide cylinders that extend from the top to bottom of the kettle. This adds a controlled vertical dimension to the mixing process, creating upward and downward flow patterns that enhance material circulation. The multi-dimensional flow paths (horizontal baffles + vertical guide cylinders) accelerate mixing and reaction compared to traditional single-plane stirring.
2Productivity
If stirring device drives slurry downward and toward periphery, then mixing efficiency improves, but flow field optimization is needed to maintain efficiency
Solution Approach 1:
Guide cylinders act as intermediary structures between the stirring device and the slurry. Rather than the stirring device directly creating complex flow patterns, the guide cylinders mediate by channeling and organizing the flow into controlled upward and downward patterns. This intermediary structure simplifies the flow field organization while maintaining high mixing efficiency, reducing the complexity burden on the stirring device itself.
Solution Approach 2:
The flow field structure serves itself through the natural circulation created by the guide cylinders and baffles. Once the stirring device initiates motion, the guide cylinders automatically generate the upward-downward flow patterns without requiring additional control mechanisms. The system self-regulates the flow field to maintain optimal mixing conditions, reducing operational complexity.
3Manufacturing precision
If solid-liquid separation device extracts clear liquid, then product quality improves, but separation timing must be optimized
Solution Approach 1:
The solid-liquid separation device is pre-positioned and ready for operation during the reaction process. The guide cylinders and baffles are designed to naturally guide the slurry flow toward the separation device at optimal moments. This preliminary arrangement ensures that separation can begin immediately when reaction products are ready, minimizing delay while ensuring product quality through timely separation.
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
Improves production efficiency and product quality by accelerating the reaction speed and optimizing the flow field, allowing for quicker and more uniform mixing of raw materials.
Implementation Method 1
a stirring device, penetrating through the guide cylinder and extending out from the first flow guide port of the guide cylinder, to drive the slurry to move downward inside the guide cylinder, and to drive the slurry to move toward a periphery of the kettle body at the bottom of the kettle body
Implementation Method 2
a solid-liquid separation device arranged at a top of the kettle body and located outside the guide cylinder, to extract a clear liquid from the slurry inside the kettle body
Data Source
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AI summary
The present invention provides a high-efficiency reaction kettle, relating to the technical field of ternary precursor production. The high-efficiency reaction kettle comprises: a kettle body, configured to accommodate slurry; a guide cylinder fixed at a top of the kettle body and extending downward, wherein a first flow guide port is formed at a bottom of the guide cylinder, and a second flow guide port is formed at an upper side wall of the guide cylinder; multiple feeding pipes, wherein at least part of openings of the feeding pipes are arranged inside the guide cylinder; a stirring device penetrating through the guide cylinder and extending out from the first flow guide port of the guide cylinder, to drive the slurry to move downward inside the guide cylinder, and to drive the slurry to move toward a periphery of the kettle body at the bottom of the kettle body; a baffle arranged on an inner side wall of the kettle body and extending along a height direction of the kettle body; and a solid-liquid separation device arranged at a top of the kettle body and located outside the guide cylinder, to extract a clear liquid from the slurry inside the kettle body. The reaction kettle can improve production efficiency and simultaneously improve product quality.