Double-Walled Condensing Head for Short-Path Distillation
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Solution Overview
Problem
Existing short-path distillation apparatuses face inefficiencies due to limited condensation surface area and susceptibility to temperature fluctuations, leading to incomplete separation and productivity issues, especially when processing temperature-sensitive compounds like THC and CBD from cannabis extracts.
Innovation Solution
A double-walled bulb-shaped condensing head design that increases condensation surface area and incorporates a coolant chamber for precise temperature control, along with Vigreux indents in the fractionating column to enhance separation, and dual outlet conduits for increased throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a traditional single-walled condensing head is used, then the device complexity is low, but the condensation surface area is limited leading to incomplete separation
Solution Approach 1:
The patent employs a double-walled condensing head design where an inner condensation chamber is nested within an outer wall, creating a coolant chamber in between. This nested structure dramatically increases the condensation surface area while maintaining a compact form factor, directly resolving the contradiction between surface area and device complexity.
Solution Approach 2:
The invention transitions from a single-walled structure to a double-walled structure, adding a dimensional layer that creates additional surface area for condensation. The inner and outer walls create multiple surfaces for heat exchange, effectively utilizing spatial dimensions to increase condensation area without proportionally increasing overall device size.
2Temperature
If no coolant chamber is incorporated, then the device complexity is low, but temperature control precision is insufficient leading to susceptibility to temperature fluctuations
Solution Approach 1:
The coolant chamber is nested between the inner and outer walls of the condensing head, allowing coolant to circulate through this intermediate space. This nested coolant chamber provides precise temperature control of the condensation surface, stabilizing the distillation process and preventing temperature fluctuations that would compromise separation efficiency.
3Productivity
If a single outlet conduit is used, then the device complexity is low, but the productivity is limited due to reduced throughput
Solution Approach 1:
The patent divides the single outlet function into multiple outlet conduits, allowing parallel flow paths for distillate collection. This segmentation of the outlet system increases throughput capacity and productivity, as multiple conduits can simultaneously transport condensed material, directly addressing the productivity limitation of single-outlet designs.
4Manufacturing precision
If Vigreux indents are not incorporated, then the device complexity is low, but the separation efficiency is insufficient for effective fractionation
Solution Approach 1:
Vigreux indents are strategically positioned within the fractionating column at specific locations to create localized zones of enhanced separation. These indents create turbulence and increase contact between vapor and liquid phases at critical points, improving fractionation efficiency without requiring complex external equipment or processes.
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 enhanced design provides improved separation efficiency and productivity by ensuring consistent fractionation and reduced loss of compounds, allowing for more effective extraction of THC, CBD, and terpenes with better temperature management and increased throughput.
Implementation Method 1
condensate in gaseous form is introduced into the condensate chamber where it comes in contact with and condenses as distillate upon the cold inner surface of the condensate chamber
Implementation Method 2
Vigreux indents in the fractionating column to enhance separation
Implementation Method 3
short-path distillation is a distillation technique that involves the distillate travelling a short distance, often only a few centimeters, and is normally done at reduced pressure
Data Source
AI summary
A short-path distillation apparatus and method of operation are described. An example short-path distillation apparatus includes a double-walled bulb-shaped condensing head. The double wall forms a coolant chamber that substantially envelopes an inner condensate chamber. Coolant is introduced into and removed from the coolant chamber via ports in the outer wall of the head. Condensate in gaseous form is introduced into the condensate chamber where it comes in contact with and condenses as distillate upon the cold inner surface of the condensate chamber. Condensed distillate travels down the inner surface of the condensate chamber and then into a distillate outlet conduit that transports the condensed distillate to a collection vessel.