Cooling Device for Maltol Sublimation with Jacketed Condensation
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Solution Overview
Problem
Existing sublimation processes for maltol result in low production efficiency, high separation costs, environmental pollution, and resource wastage due to water absorption and centrifugal dehydration, with potential pipe blockages and odor generation.
Innovation Solution
A cooling device with a reaction kettle featuring an enameled inner wall, jackets for temperature control, throttle plates with through holes, and a scraper mechanism for direct condensation and solidification of sublimated maltol, utilizing vacuum and controlled temperature to avoid water usage and centrifugal dehydration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If water absorption and centrifugal dehydration are used in the sublimation process, then the material can be purified and separated, but production efficiency decreases and separation costs increase
Solution Approach 1:
The invention extracts and eliminates the water absorption and centrifugal dehydration steps from the traditional sublimation process. By using direct condensation on cooled surfaces followed by scraping, the patent removes the need for subsequent separation operations, thereby maintaining purification quality while dramatically improving production efficiency and reducing separation costs.
Solution Approach 2:
The invention implements continuous operation by maintaining constant cooling of the condensation surfaces and continuously scraping off condensed material. This continuous condensation and removal process eliminates the batch-wise nature of traditional water absorption and centrifugal dehydration, sustaining high productivity while ensuring consistent purification quality.
2Quantity of substance
If water absorption is used to cool and dissolve sublimated material, then the material can be captured, but a large amount of water is consumed and sewage pollution is generated
Solution Approach 1:
The invention changes the physical state and temperature parameters of the condensation surfaces to directly solidify the sublimated material without using water as a solvent. By maintaining surface temperatures below the sublimation point of the material, the patent achieves effective material capture while eliminating water consumption and associated sewage pollution.
Solution Approach 2:
The invention converts the potentially harmful effect of direct condensation (material adhering to surfaces) into a beneficial feature by designing easily cleanable surfaces and using scraping mechanisms. This approach transforms what could be a contamination risk into an efficient material recovery method that avoids water usage and sewage generation entirely.
3Manufacturing precision
If centrifugal dehydration is used to separate material from water, then the material can be recovered, but manpower and material resources are wasted and odor pollution is generated
Solution Approach 1:
The invention extracts and eliminates the centrifugal dehydration step from the process by implementing direct condensation and scraping. This removes the need for energy-intensive centrifugal separation, reducing both resource consumption and odor pollution while maintaining effective material recovery through the simplified condensation-scraping mechanism.
4Object-generated harmful factors
If the reaction kettle wall is smooth, then material adheres less, but condensation efficiency decreases
Solution Approach 1:
The invention applies different surface qualities to different parts of the condensation system. The inner surfaces of the condensation chambers are designed with high surface area and appropriate roughness to maximize condensation efficiency, while the outer surfaces or surfaces in contact with collected material are designed to be smooth or easily removable for efficient material recovery. This local differentiation resolves the contradiction between adhesion and condensation efficiency.
Solution Approach 2:
The invention introduces dynamic scraping mechanisms that actively remove condensed material from surfaces in real-time. This dynamic approach prevents material buildup that would reduce condensation efficiency while allowing temporary adhesion during the condensation process, thus resolving the contradiction between needing some adhesion for condensation and needing smooth surfaces for easy removal.
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
The device simplifies the process, enhances production efficiency, reduces impurities, and minimizes environmental impact by eliminating water usage and resource wastage, achieving higher yield and lower costs.
Implementation Method 1
the sublimated gas is directly cooled and solidified on the inner wall of the reaction kettle
Implementation Method 2
cooling water...is introduced into a jacket...cooling the reaction kettle wall
Implementation Method 3
a vacuum is drawn in the reaction kettle with a vacuum pump
Implementation Method 4
the material is sublimated into gaseous state
Data Source
Figure 1
Figure 2
AI summary
The invention provides a cooling device and a cooling method for a sublimation section. The cooling device comprises a reaction kettle (1) provided with a smooth inner wall, wherein the top of the reaction kettle (1) is provided with a gas phase port (11), the bottom of the reaction kettle (1) is provided with a discharge port (12), the middle of the reaction kettle (1) is provided with a sublimation gas phase inlet (13), and a wall of the reaction kettle (1) is further provided with a jacket (2).