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废旧电缆利用方法
[来源:http://www.ruanhuashuishebei.net] [作者:aowl] [日期:19-05-29] [浏览次数:]

废旧电缆利用方法
Utilization of Waste Cables
1.手工剥皮法:该法采用人工进行剥皮,效率低、成本高,而且工人的操作环境较差;
1. Manual peeling method: This method uses manual peeling, which has low efficiency, high cost and poor operating environment for workers.
2.焚烧法:焚烧法是一种传统的方法,使废线缆的塑料皮燃烧,然后回收其中的铜,但产生的烟气污染极为严重,同时 ,在焚烧过程中铜线的表面严重氧化,降低了金属回收率,该法已经被各国政府严格禁止;
2. Incineration method: Incineration method is a traditional method, which burns the plastic skin of waste cables and recovers the copper, but the smoke pollution is very serious. At the same time, the surface of copper wire is seriously oxidized during the incineration process, which reduces the metal recovery rate. This method has been strictly prohibited by governments all over the world.
3.机械剥皮法:采用线缆剥皮机进行处理,该法仍需要人工操作,属半机械化,劳动强度大,效率低,而且只适用处理粗径线缆;
3. Mechanical peeling method: using cable peeling machine to deal with, this method still needs manual operation, which is semi-mechanized, labor intensive, low efficiency, and only applicable to the treatment of thick cable;
4.化学法:化学法处理废线缆技术是在上个世纪90年代提出的,一些国家曾进行研究,我国在"八五"期间也进行过研究。该法有一个最大的缺点是产生的废液无法处理,对环境有较大的影响,故很少采用;
4. Chemical method: The technology of dealing with waste cables by chemical method was put forward in the 1990s. Some countries have studied it, and our country has also studied it during the Eighth Five-Year Plan. The biggest disadvantage of this method is that the waste liquor can not be disposed of and has a great impact on the environment, so it is seldom used.
5.冷冻法:该法也是上个世纪九十年代提出的,采用液氮做制冷剂,使废线缆在极低的温度下变脆,然后经过破碎和震动,使塑料皮与铜线段分离,我国在"八五"期间也曾经立项研究,但此法的缺点是成本高,难以进行工业化的生产。
5. Freezing method: This method was also put forward in the 1990s. It uses liquid nitrogen as refrigerant to make waste cables brittle at very low temperature, and then breaks and shakes them to separate plastic sheet from copper wire segment. During the Eighth Five-Year Plan period, China has also established a study on this method. However, the shortcoming of this method is high cost and difficult to industrialize. Yield.

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