Nanocarbon Production via Reducing Flame and Nebulized Cooling
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Solution Overview
Problem
Current methods for manufacturing nanocarbon-based materials are costly and environmentally unfriendly, often requiring expensive equipment and large amounts of chemical agents, leading to waste treatment issues.
Innovation Solution
A method involving the supply of an acetylene-based flammable gas to produce a reducing flame, combined with a cooling medium nebulized into a chamber to entrain carbon nanoparticles, which are then collected and processed under normal atmospheric conditions, reducing production costs and environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional methods (chemical reaction, mechanical milling, arc heating vaporization, chemical vapor deposition) are used to manufacture nanocarbon materials, then high-quality nanocarbon products can be obtained, but the production cost increases and environmental pollution is generated due to expensive equipment and large amounts of chemical agents
Solution Approach 1:
The patent replaces complex mechanical and chemical systems (arc heating vaporization, chemical vapor deposition) with a simple combustion-based thermal field system. The reducing flame from acetylene gas provides the necessary thermal energy to carbonize organic substances, eliminating the need for expensive arc heating equipment or chemical vapor deposition systems while maintaining nanocarbon material quality.
Solution Approach 2:
The patent changes the manufacturing parameters by using a reducing flame environment instead of conventional high-energy or chemical-rich atmospheres. By controlling the acetylene gas flow rate and oxygen content in the reducing flame, the process achieves optimal carbonization conditions at lower energy costs, producing high-quality nanocarbon materials with reduced production expenses.
2Productivity
If conventional methods require large amounts of chemical agents, then nanocarbon materials can be synthesized, but waste treatment problems arise and environmental friendliness deteriorates
Solution Approach 1:
The patent converts the potentially harmful combustion process into a beneficial manufacturing method. The reducing flame, which could be considered waste heat, is utilized as the primary energy source for carbonization. By controlling the acetylene-to-oxygen ratio, the process achieves efficient nanocarbon synthesis while minimizing harmful emissions, transforming a potentially polluting process into an environmentally friendly one.
Solution Approach 2:
The patent employs a self-sustaining combustion system where the reducing flame generates its own heat and carbonization environment. The acetylene gas provides both the thermal energy and the carbon source needed for nanocarbon formation, eliminating the need for external chemical agents or complex waste treatment systems. The process is self-regulating through the natural combustion characteristics of acetylene.
3Reliability
If conventional manufacturing processes are used, then nanocarbon materials can be produced, but the equipment complexity and operational difficulty increase
Solution Approach 1:
The patent extracts the essential function of nanocarbon synthesis from complex equipment systems and implements it through a simple reducing flame process. By removing unnecessary chemical vapor deposition systems, arc heating apparatus, and complex mechanical milling equipment, the process achieves reliable nanocarbon production using only basic combustion equipment and gas flow control mechanisms.
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 allows for the cost-effective and environmentally friendly production of nanocarbon materials, capable of being implemented in standard conditions, with adjustable flow ratios to produce various nanocarbon forms, such as reduced graphene oxide and nanocarbon powders or flakes, enhancing heat-conductive and mechanical properties.
Implementation Method 1
supplying an acetylene-based flammable gas into a torch nozzle at a flow rate such that an ignition at the torch nozzle produces a reducing flame
Implementation Method 2
supplying a cooling medium to a nebulizer disposed upstream of the cooling zone to produce nebulized droplets of the cooling medium
Implementation Method 3
cause carbon nanoparticles to be entrained in the nebulized droplets
Data Source
AI summary
A method for manufacturing a nanocarbon material includes the steps of: a) supplying an acetylene-based flammable gas into a torch nozzle at a flow rate such that an ignition at the torch nozzle produces a reducing flame in a cooling zone in a chamber; and b) supplying a cooling medium to a nebulizer disposed upstream of the cooling zone to produce nebulized droplets of the cooling medium such that the nebulized droplets come into contact with the reducing flame in the cooling zone to thereby cause carbon nanoparticles to be entrained in the nebulized droplets.