Nested Evaporation-Condensation Chambers for Compact Distillation
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Solution Overview
Problem
Existing distillation plants are energy-hungry, large, and unsuitable for small-scale or localized water purification needs, particularly in domestic or near-domestic settings, and there is a growing demand for improving water quality from contaminated sources.
Innovation Solution
A distillation apparatus with integrated evaporation and condensation chambers, utilizing a vapour compression pump and heat transfer fins to enhance efficiency, along with a liquid ring pump and magnetic transmission for rotor rotation, allowing for compact and efficient water purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional distillation plants are used, then water purification is achieved, but the apparatus becomes large, energy-hungry, and unsuitable for small-scale applications
Solution Approach 1:
The condensation chamber is positioned to surround the evaporation chamber, creating a nested configuration where the condenser jacket encloses the evaporator. This nesting arrangement allows heat transfer from the condensing vapor to the incoming feed water, enabling compact integration of multiple functional chambers and reducing overall apparatus volume while maintaining purification capacity.
Solution Approach 2:
The patent combines the evaporation and condensation chambers into a single integrated unit where the condensation chamber surrounds the evaporation chamber. This merging of functions allows the system to achieve both evaporation and condensation in a compact configuration, eliminating the need for separate large-scale components and reducing overall apparatus size.
2Quantity of substance
If traditional distillation plants are used, then water purification is achieved, but energy consumption becomes excessive
Solution Approach 1:
The system utilizes the latent heat of condensation from the vapor condensing in the condensation chamber to preheat the incoming feed water in the evaporation chamber. This self-service heat recovery mechanism reduces the external energy input required for distillation, as the condensing vapor automatically provides thermal energy to the system without additional energy consumption.
Solution Approach 2:
Instead of discarding the thermal energy from condensing vapor, the patent recovers this heat through the heat transfer between the condensation chamber and evaporation chamber. The thermal energy that would otherwise be wasted is captured and used to preheat the feed water, significantly reducing overall energy consumption while maintaining purification output.
3Productivity
If heat transfer efficiency is improved, then distillation speed increases, but apparatus complexity increases
Solution Approach 1:
The nested configuration of the condensation chamber surrounding the evaporation chamber creates direct thermal coupling between the two chambers. This geometric arrangement maximizes heat transfer surface area and thermal efficiency without requiring additional heat exchanger components or complex thermal management systems, achieving high distillation speed through simple structural integration.
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 apparatus achieves efficient and economical distillation of water, suitable for small-scale applications, with improved heat transfer and reduced energy consumption, making it suitable for domestic, hospital, and laboratory use.
Implementation Method 1
a heat source, the heat source being arranged to supply heat to at least part of the evaporation chamber
Implementation Method 2
a vapour compression pump
Implementation Method 3
one or more condensation chambers
Implementation Method 4
The one or more of the evaporation chambers may include one or more heat transfer fins
Data Source
AI summary
The present disclosure relates to distillation apparatus, especially such apparatus that may be deployed within a commercial, domestic or near-Domestic situation to provide distilled water on demand. The distillation apparatus comprising an evaporation chamber, a condensation chamber, a heat source, the heat source being arranged to supply heat to at least part of the evaporation chamber, a fluid inlet, a fluid outlet, and a vapour compression pump, wherein the condensation chamber surrounds at least part of the evaporation chamber.