A chemical filtration refining method for non-ferrous metals
A chemical filtration and filter technology is applied in the field of molten aluminum refining, which can solve the problems of poor refining effect and lack of refining methods, and achieve the effects of low cost, improved refining effect and simple method.
Inactive Publication Date: 2019-02-15
WUHU MINTAI COPPER IND
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] Aiming at the problem of poor refining effect due to lack of refining methods in the existing aluminum liquid refining process, the present invention provides a chemical filtration and refining method for non-ferrous metals, which uses a filter to filter large particles of impurities, and through the adsorption of the filter agent , Dissolution to remove small particles of oxidized impurities, to achieve the purpose of improving the refining effect
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreExamples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0020] A chemical filtration and refining method for nonferrous metals, comprising the following steps:
[0021] (1) Preparation of filter agent:
[0022] The filter agent is made of NaF, CaF 2 Composition, the mass ratio of two components is 1:2;
[0023] (2) Production of mesh filter:
[0024] Use glass fiber or heat-resistant metal wire to make a mesh filter, and spray the filter agent on the mesh filter. The spray thickness of the filter agent is 1mm;
[0025] (3) Filtration of molten aluminum:
[0026] The filter is installed in a continuous casting holding furnace, and the molten aluminum passes through the filter many times.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a chemical filtering and refining method for nonferrous metal, and belongs to the field of the nonferrous metal. The chemical filtering and refining method includes the following steps: (1), preparing a filtering agent comprising NaF and CaF2, wherein the mass ratio of the NaF to the CaF2 is 1:2; (2), making fiberglass or heatproof metal wires into a gauze filter and spraying the filtering agent onto the gauze filter; (3), mounting the filter in a continuously-cast holding furnace and enabling molten aluminum to pass through the filter repeatedly. The chemical filtering and refining method solves the problem of poor refining effect caused by defects in refining methods during refining of the molten aluminum in the prior art, and has the advantages of simplicity, low cost and easiness in processing.
Description
technical field [0001] The invention belongs to the field of nonferrous metals, and more specifically relates to a method for refining molten aluminum. Background technique [0002] Aluminum and aluminum alloys are currently one of the most widely used and most economical and applicable materials. Aluminum has low density and low hardness, but it can be made into various aluminum alloys, such as duralumin, super duralumin, anti-rust aluminum, cast aluminum, etc. These aluminum alloys are widely used in manufacturing industries such as aircraft, automobiles, trains, and ships. In addition, space rockets, space shuttles, and artificial satellites also use a large amount of aluminum and its aluminum alloys. [0003] The conductivity of aluminum is second only to silver, copper and gold, and it is widely used in electrical appliance manufacturing industry, wire and cable industry and radio industry. Aluminum is a good conductor of heat, and aluminum can be used to manufacture...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/116B22D11/119
CPCB22D11/116B22D11/119
Inventor 颜承龙
Owner WUHU MINTAI COPPER IND