Mineral Wool Feedstock from Palletized Aluminum Dross Fractions
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The production of mineral wool from bauxite and basalt is hindered by the need for mining and processing these minerals, which is costly and environmentally disruptive, and the waste generated during aluminum melting, such as dross and slag, has not been effectively utilized in mineral wool production.
Innovation Solution
A method that recycles aluminum dross and slag by converting it into briquettes, which are then used as a substitute for bauxite or basalt in the mineral wool production process, maintaining the physical properties of the mineral wool while reducing environmental impact and production costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If bauxite or basalt is used as raw material for mineral wool production, then the quality and physical properties of mineral wool are maintained, but the production costs increase and environmental pollution occurs due to mining and processing
Solution Approach 1:
The invention converts aluminum dross and slag, which are harmful waste materials from aluminum production, into valuable raw materials for mineral wool manufacturing. This transforms an environmental problem into a resource opportunity, eliminating waste disposal issues while producing high-quality mineral wool without the need for traditional mining operations
Solution Approach 2:
The invention recovers and reuses aluminum dross and slag that would otherwise be discarded as waste. By incorporating these materials into the mineral wool production process, the invention creates a circular economy approach where waste from one industry becomes the raw material for another, reducing both production costs and environmental impact
2Ease of manufacture
If aluminum dross and slag are discarded as waste, then production costs are reduced, but environmental pollution increases and valuable materials are lost
Solution Approach 1:
The invention transforms aluminum dross and slag from harmful waste products into valuable raw materials for mineral wool production. This conversion eliminates the need for waste disposal while generating economic value, effectively turning an environmental liability into an asset
Solution Approach 2:
The invention gives aluminum dross and slag a new function beyond their original purpose in aluminum production. These materials serve dual purposes: they are both waste products from aluminum processing and valuable raw materials for mineral wool manufacturing, demonstrating multi-functionality and resource efficiency
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 effectively utilizes waste materials from aluminum processing to produce mineral wool, reducing environmental pollution and production costs while maintaining the quality of the mineral wool produced.
Implementation Method 1
The mixture is melted and heated to a temperature above 1400°C
Implementation Method 2
Rock wool is formed during the melting of all the combined components, which are heated to a temperature above 1400°C
Data Source
AI summary
The subject of the invention is a mineral wool manufacturing method, in which the aluminium oxide (found in basalt and bauxite) is replaced by fine fractions of aluminium dross. This method includes an initial stage of preparing for the utilization of metallurgical waste (1) obtained from the processing of aluminium dross, during which the lighter, dusty fractions are recovered and isolated, as well as very fine metallurgical waste (1), and any present coarse dross is ground to obtain fine metallurgical waste (1), which is then subjected to consolidation and palletisation or briquetting of this reclaimed waste (3), preferably in a briquetting machine to obtain briquettes (4). The mineral wool manufacturing method, according to claim 1, is characterized in that the reclaimed waste (3) is subjected to a consolidation process using a binder in the following proportions: - 1-100% of the mass of reclaimed waste (3), - 0-70% of the mass of cement or lime, - 0-70% of the mass of reclaimed residues (5) obtained from another previous process of producing lava (6). The grinding of metallurgical waste (1) is carried out in mills, preferably in a ball mill.