Fume Purification Using Conductive Cooling and Inertial Separation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for purifying fumes with low vapor tension contaminants are costly, complex, and require significant energy consumption, often involving chemical reactions and additional reagents, while existing condensation and adsorption methods are ineffective for larger contaminant particles.
Innovation Solution
A method using a heated structure cooled by a cold thermal power source, without refrigerant fluid flow, to condense contaminants on its surface, followed by an inertial separator for physical separation, eliminating the need for chemical reactions and complex equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chemical processes such as thermal or catalytic incineration are used to remove large quantities of organic contaminants, then contaminant removal efficiency is improved, but device complexity and operating costs increase significantly
Solution Approach 1:
The patent replaces chemical incineration processes with a physical condensation system. A cooled structure condenses contaminant vapors into liquid droplets through temperature differential, eliminating the need for chemical reactions, combustion chambers, and complex chemical processing equipment.
Solution Approach 2:
The invention utilizes phase transition from gas to liquid through condensation. The cooled structure creates temperature differential that causes contaminant vapors to condense into liquid aerosols, which are then separated from the gas stream, achieving efficient contaminant removal without chemical processes.
2Productivity
If chemical processes with additional reagents are used, then contaminant removal is improved, but installation and operating costs increase due to reagent management and protective layers
Solution Approach 1:
The patent eliminates chemical reagents by using a physical condensation system. The cooled structure directly condenses contaminants without requiring additional chemical substances, thereby removing the need for reagent storage, dosing systems, protective layers, and associated maintenance activities.
3Productivity
If conventional condensation and adsorption methods are used for sub-micrometre particles, then contaminant removal is achieved, but the method is ineffective for larger contaminant particles
Solution Approach 1:
The invention uses condensation to transform contaminant vapors into liquid droplets of various sizes. This phase transition process is effective for contaminants ranging from sub-micrometre particles to larger droplets, as the condensation mechanism adapts to different contaminant sizes and properties.
Solution Approach 2:
The patent changes the temperature parameter of the structure to optimize condensation for different contaminant types. By adjusting the temperature differential between the cooled structure and the contaminant vapors, the system effectively handles a wide range of contaminant sizes and vapor tensions.
4Temperature
If a cold structure is cooled by refrigerant fluid flow, then cooling efficiency is improved, but the system becomes more complex and requires additional components
Solution Approach 1:
The patent extracts the refrigerant fluid flow component from the cooling system. Instead of using active refrigerant circulation, the structure is cooled by thermal conduction from a cold thermal power source, eliminating pumps, valves, and complex refrigeration system components.
Solution Approach 2:
The cold structure serves itself by conducting heat from the fumes directly to the cold thermal power source. The thermal conduction path is self-sustaining and does not require external refrigerant circulation systems, reducing overall system complexity while maintaining effective cooling.
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 method achieves efficient contaminant removal with low installation and operating costs, using common refrigeration plants, and maintains a stable temperature difference for effective condensation and separation, simplifying the purification process and reducing environmental impact.
Implementation Method 1
cooling a three-dimensional or reticular cage or mesh structure... by means of a cold thermal power source arranged in contact with a thermal conductor arranged between the cold thermal power source and said structure
Implementation Method 2
the structure maintains a temperature lower than that of the fumes... to form an aerosol of suspended particles and condensates of said contaminants
Implementation Method 3
Adducting the aerosol into an inertial separator unit to carry out a separation of the condensed contaminants present in the aerosol
Data Source
AI summary
A method of purifying fumes with condensable gaseous contaminants is provided, including the steps of generating a flow of fumes to be treated in a heated area; cooling a structure receiving the flow of fumes so that the temperature of the structure is lower than that of the fumes to be treated to induce a condensation of the contaminants and to force a nucleation of the condensed contaminants; conveying said flow into an inertial separator unit for its purification. In particular, the structure is cooled by conduction through a natural and/or artificial cold thermal power source configured to stably and sensibly maintain its temperature below a fume temperature during the extraction of thermal power from the fumes by the structure.