Bidirectional Solvent Flow in Extraction Apparatus
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Solution Overview
Problem
Conventional continuous extraction methods face inefficiencies in extracting substances with densities lower than solvents or those susceptible to high temperatures, such as biological substances, due to difficulties in balancing hydraulic pressures and monitoring fluid temperatures, leading to poor quality and purity of extracted products.
Innovation Solution
A glass extraction apparatus with a special design that allows continuous monitoring of steam temperature and fluid circulation, enabling simultaneous two-directional solvent flow and pressure control through interconnected pipes of varying diameters, facilitating efficient extraction and separation of substances with minimal solvent usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If conventional continuous extraction apparatus is used, then extraction process can be automated with cyclic operation, but extraction efficiency and product purity are poor for samples with density lower than solvent or temperature-sensitive materials
Solution Approach 1:
The patent inverts the conventional siphoning mechanism by introducing a ball valve system that allows bidirectional fluid flow control. Instead of relying on passive siphoning that works only for denser samples, the active valve control enables the solvent to flow in both directions through the sample, making the extraction process effective for both lighter and denser samples while maintaining automation.
Solution Approach 2:
The patent introduces dynamic control elements (ball valves) that can adjust the flow direction and pressure in real-time during the extraction cycle. This dynamic adjustment allows the system to adapt to different sample types (lighter or denser than solvent) and maintain optimal extraction conditions throughout the cyclic operation, improving both efficiency and purity.
2Stability of the object's composition
If hydraulic pressure equilibrium is maintained between extract and solvent, then density difference can be balanced, but additional components and operational complexity are required
Solution Approach 1:
The ball valve system serves multiple functions: it controls bidirectional flow, maintains hydraulic pressure equilibrium, and enables both extraction and separation phases within the same apparatus. This multi-functional design eliminates the need for separate density-balancing components while achieving the same pressure equilibrium effect through a single versatile mechanism.
Solution Approach 2:
The patent changes the operational parameters of the fluid system by using可控 (controllable) ball valves to adjust flow direction and pressure dynamically. This parameter control allows the system to maintain hydraulic equilibrium without additional mechanical components, as the valve timing and positioning adjust the effective pressure balance during different phases of the extraction cycle.
3Ease of operation
If steam temperature is not monitored, then apparatus operation is simpler, but temperature-sensitive biological substances may be damaged
Solution Approach 1:
The patent incorporates temperature monitoring of the steam/solvent before it enters the extraction chamber, creating a feedback mechanism that alerts the operator to temperature conditions. This simple monitoring system allows the operator to adjust operation to protect temperature-sensitive materials while maintaining ease of use through straightforward temperature awareness rather than complex automated control.
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 design enhances extraction efficiency by reducing solvent consumption, shortening processing time, and ensuring high-quality product extraction, particularly for biological samples and organic components, while being safe and cost-effective.
Implementation Method 1
steam from the solvent reaches the extraction space in the conventional Soxhlet extractor when the solvent reaches its boiling temperature. This causes the condensate to still be hot when it drips through the sample
Implementation Method 2
the extract will be exposed to a solvent boiling temperature for extended period of times. This extraction method has been implemented in the industry for the last 120 years using a Soxhlet extractor, which establishes an automatic cycle for returning the extract towards the reaction flask using a siphoning system
Data Source
AI summary
The invention provides for the steam of a solvent to reach the space of an extractor following two possible routes thus exposing the sample to a continuous flow of fresh solvent, causing the extractant fluid to be fed through the sample by its upper and lower ends, which increases the extraction radius and as result a high percentage of the extracted component is obtained, reducing substantially the amount of solvent used and therefore reducing the processing time.