Batch Reactor Baffle Component Thermal Transfer
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Solution Overview
Problem
Standardized batch reactors have limited thermal transfer potential due to suboptimal surface-to-volume ratios and thermal conductivity, leading to inefficiencies in energy transfer, increased downtime for maintenance, and waste of thermal energy, which affects productivity and safety.
Innovation Solution
A baffle component for batch reactors featuring a cage element with mounted baffles, where the baffles are filled with thermal exchange material, enhancing thermal energy transfer and allowing for precise temperature control, and are affixable to a removable top cover to increase the thermal transfer surface area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If standardized batch reactor geometry is used, then manufacturing simplicity is maintained, but thermal transfer efficiency deteriorates
Solution Approach 1:
The batch reactor is segmented into multiple zones with different baffle configurations and thermal transfer surfaces. The reactor vessel is divided into segments that can be independently optimized for thermal transfer, allowing standardized manufacturing of modular components while achieving superior overall thermal efficiency through their arrangement.
Solution Approach 2:
The invention adds thermal transfer baffles that extend into the third dimension within the reactor volume. Instead of relying solely on the external surface area of the standardized reactor, internal baffles create additional thermal transfer surfaces in the vertical and radial dimensions, dramatically increasing the effective thermal transfer area without changing the reactor's external geometry.
2Productivity
If larger reactor vessels are used to increase productivity, then output per batch is improved, but thermal transfer surface-to-volume ratio deteriorates
Solution Approach 1:
Thermal transfer baffles are nested within the reactor vessel interior. These internal structures are positioned concentrically and radially to maximize surface area within the available volume. The nested arrangement of multiple baffles at different radii and heights creates a fractal-like increase in surface area that scales efficiently with reactor size, maintaining high surface-to-volume ratios even in large vessels.
Solution Approach 2:
The invention transitions from two-dimensional external heat transfer surfaces to three-dimensional internal thermal networks. By distributing thermal transfer surfaces throughout the reactor volume using vertical and radial baffles, the system effectively adds dimensional complexity that allows large reactors to maintain high surface-to-volume ratios that would be impossible with external surfaces alone.
3Use of energy by moving object
If thermal transfer surface area is increased, then thermal energy transfer efficiency is improved, but device complexity increases
Solution Approach 1:
The thermal transfer system is segmented into multiple independent baffle components that can be manufactured and installed separately. Each baffle is a simple, standardized component with consistent geometry, making them easy to manufacture and replace. The segmentation allows the complex overall thermal transfer network to be built from simple, repeatable units, reducing both manufacturing and maintenance complexity.
Solution Approach 2:
The baffles serve multiple functions simultaneously: they provide thermal transfer surfaces, act as mixing elements to enhance fluid circulation, and serve as structural support within the reactor. This multi-functionality reduces the need for separate components, thereby increasing thermal transfer efficiency without proportionally increasing device complexity.
4Productivity
If batch reactor processing time is reduced to increase productivity, then output per unit time is improved, but thermal energy transfer completeness deteriorates
Solution Approach 1:
The thermal baffles are pre-configured to create optimal fluid flow patterns that enhance heat transfer from the moment processing begins. The baffle geometries are designed to induce turbulence and improve convective heat transfer coefficients in advance, ensuring that even short processing times achieve complete thermal energy transfer. The system is pre-optimized so that rapid heating or cooling occurs automatically without requiring extended time.
Solution Approach 2:
By adding thermal transfer surfaces in the vertical and radial dimensions through internal baffles, the system creates multiple parallel thermal transfer pathways. This dimensional expansion allows thermal energy to be transferred simultaneously across numerous surfaces, effectively parallelizing the heat transfer process and enabling complete energy transfer in shorter timeframes, thus increasing productivity without sacrificing thermal completeness.
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 configuration improves thermal energy transfer efficiency, reduces maintenance time, and minimizes corrosion and energy waste, enhancing productivity and safety by optimizing thermal transfer surfaces and allowing for more efficient processing cycles.
Implementation Method 1
the thermal exchange material (542) facilitates thermal energy transfer between a thermal transfer medium (207, 307, 507) inside the tubular element (546) and the plate component (540)
Implementation Method 2
The overall thermal transfer rate of a batch reactor is determined by a number of factors, including: thermal conductivity and surface fluid velocity of the heat transfer fluids; thermal conductivity and dimensions of the reactor vessel materials; and thermal conductivity and surface fluid velocity of process fluids. Whilst the properties of the fluids vary, the dominating factor to overall heat flux capability of the batch reactor is proportional to the size or area of the thermal transfer surface of the batch reactor that is in contact with the process fluids.
Data Source
Figure 1~2
Figure 3
Figure 4A~4C
AI summary
Current chemical batch processing technology is based on batch reactors, which typically consist of a vessel, in which reactants are processed. The batch reactor comprises a reactor vessel having at least one first thermal transfer element; a removable top cover for sealing the reactor vessel; a baffle component having at least one second thermal transfer element; and an agitator component, wherein each of the at least one first thermal transfer element and the at least one second thermal transfer element is independently controllable, and wherein the batch reactor comprises a thermal transfer surface-to-volume ratio of at least 6:1. This increases the thermal transfer potential and the thermal energy transfer efficiency of the batch reactor, thereby to increase production speed and throughput..