Solid Scrap Metal Sorting Method
A waste metal sorting technology, applied in solid separation, chemical instruments and methods, wet separation, etc., can solve the problems of material waste, environmental pollution, difficult sorting, etc., to improve the working environment, reduce recycling costs, protect health effects
Inactive Publication Date: 2015-12-23
DONGGUAN DONGHENG ENVIRONMENTAL TECH
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Problems solved by technology
If we only use the method of discarding waste circuit boards and other solid waste metals, it will not only pollute the environment, but also cause a lot of waste of materials, which is very undesirable in the resource environment where resources are increasingly scarce.
However, if you want to recycle waste circuit boards, since waste circuit boards contain not only metal substances such as copper, iron, aluminum, gold, silver, etc., but also non-metal substances such as various plastics, and the metal and non-metal are closely bonded, it is not easy to separate. select
Method used
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[0028] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, so as to understand the essence of the present invention more clearly and intuitively.
[0029] refer to figure 1 As shown, the present embodiment provides a solid waste metal sorting method, comprising the following steps:
[0030] S2: Breaking, using a sander to break the scrap metal into powder;
[0031] S3: Eddy current separation, use the eddy current separation device to roughly separate the powder, and remove the light and small non-metallic powder;
[0032] S4: Seismic separation, use the air shaker to further separate the powder, and remove part of the non-metallic powder;
[0033] S5: High-voltage electric separation, using high-voltage electric separation device to further separate the powder to obtain pure metal powder.
[0034] This embodiment may also include the following steps:
[0035] S1: Feeding,...
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The invention relates to a solid state waste metal sorting method which comprises the following steps, namely, smashing, whirling sorting, partial vibration sorting, high-voltage sorting and dust extracting. First, waste metal is smashed into powder, then metal and nonmetal in the powder are respectively sorted step by step through the process of whirling sorting, partial vibration sorting and high-voltage sorting, and last, highly purified metal powder and highly purified nonmetal powder are obtained. Meanwhile, in the whole recovering process, powder produced in every step is treated in a dust-extracting mode, and therefore not only working environment can be effectively improved, the powder is eliminated, fitness of workers is protected but also the powder can be intensively recovered and sold as raw materials, and accordingly recovering profits are directly increased and recovering costs are reduced.
Description
technical field [0001] The invention relates to the technical field of scrap metal recycling, in particular to a sorting method for solid scrap metal. Background technique [0002] With the rapid development of science and technology, various electronic products and electrical equipment are applied to various fields, bringing irreplaceable convenience to people's production, life and work. However, the use of more and more electronic products means that more and more waste circuit boards need to be disposed of. If only discarding solid waste metals such as waste circuit boards is used for disposal, it will not only pollute the environment, but also cause a lot of waste of materials, which is very undesirable in a resource environment where resources are increasingly scarce. However, if you want to recycle waste circuit boards, since waste circuit boards contain not only metal substances such as copper, iron, aluminum, gold, silver, etc., but also non-metal substances such a...
Claims
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IPC IPC(8): B03B7/00
Inventor 徐召堂
Owner DONGGUAN DONGHENG ENVIRONMENTAL TECH