KR20120009065A - Selective melting and separating apparatus for cca wire - Google Patents

Abstract

PURPOSE: A selective melting and separating apparatus for CCA wire which uses a siphon phenomenon is provided to prevent the melting of solid fuel and to prevent fuel loss. CONSTITUTION: A selective melting and separating apparatus for CCA wire comprises a melting furnace main body(110) and a siphon member(120). The siphon member comprises one or more siphon inlet ports(121) and a siphon conduit line(123). The melting furnace main body forms the outer shape. One or more siphon inlet port is formed in the floor side of the melting furnace main body. The siphon conduit line is formed in the floor side of the melting furnace main body. The siphon conduit line forms the closed pipe furnace. The fused aluminum is flown out from the scrap of the CCA wire through the siphon inlet port to outside. The siphon member comprises the siphon outlet port formed at the end of the siphon conduit line.

Description

Separation melt separation device of copper clad aluminum wire scrap {SELECTIVE MELTING AND SEPARATING APPARATUS FOR CCA WIRE}

The present invention relates to an apparatus for separating aluminum and copper by selectively melting only aluminum in a CCA wire scrap, in particular, using a siphon phenomenon to selectively melt only aluminum in a CCA wire scrap to separate aluminum and copper. The present invention relates to a sorting melt separation apparatus for wire scrap.

In general, copper wire is a busbar, coaxial cable, cable TV (CATV) and telephone wire, construction wire, industrial wire, electronic component, It has been used in lead wires such as transistors, resistors, capacitors, antenna cables, battery cables, and the like. However, because copper wire is relatively expensive, copper clad aluminum (Copper Clad Aluminum) wire can be used because it uses relatively inexpensive aluminum as the inner core and can use copper's excellent conductivity by coating copper on aluminum shell. Has been developed and used.

1A is a longitudinal sectional view of a CCA wire rod, and FIG. 1B is a cross sectional view of a CCA wire rod. Referring to FIGS. 1A and 1B, a conventional CCA wire 10 includes aluminum as an inner core 11 and covers copper (Cu), which is an outer shell 12, and joins copper by applying a physical external force. Then, it can be produced by performing a heat treatment process to improve the adhesion between the aluminum layer of the inner core (11) and the copper layer of the outer shell (12).

The CCA wire rod described with reference to FIGS. 1A and 1B is expected to increase steadily due to its excellent conductivity and relatively low cost. As the usage of CCA wire is expected to increase, scrap generated during the processing of CCA wire is expected to increase. 1A and 1B, the scrap of the CCA wire is a structure in which copper, which is an outer shell 12, is coated on aluminum, which is an inner core 11, and aluminum and an outer shell 12, which are inner cores 11, are coated. Since the melting point of copper is different, it is difficult to melt and reprocess by using a melting furnace for a single material.

Since the melting point of aluminum is about 660 ° C and the melting point of copper is about 1083 ° C, a method of selectively separating aluminum and copper by melting only aluminum having a relatively low melting point using the difference between the melting points of two metals has been developed and applied. It is becoming.

2 is a schematic cross-sectional view of a first melting furnace for selectively melting and separating conventional CCA wire scrap. Referring to FIG. 2, the first melting furnace 20 includes a first melting furnace body 21 that is thermally insulated to form an appearance, and a first melt outlet 23 through which molten aluminum flows out. The first melt outlet 23 is formed at a predetermined height from the bottom surface on one side of the first melting furnace body 21. The conventional first melting furnace 20 illustrated in FIG. 2 has been described as including a first melting outlet 23 formed at one side of the first melting furnace body 21 and the first melting furnace body 21 for convenience. A configuration such as an inlet for injecting the CCA wire rod and a heating member for providing a molten heat source to the first melting furnace 20 may be further included. In the first melting furnace 20 described with reference to FIG. 2, aluminum melted from the CCA wire and copper in a solid state are stacked together from the bottom of the first melting furnace body 21 to the lower end of the first melt outlet 23. Since the molten aluminum flows out only when it overflows higher than 1 melt outlet 23, aluminum and copper cannot be efficiently sorted and separated from CCA wire. In addition, in the first melting furnace 20 described with reference to FIG. 2, molten aluminum and copper in a solid state are stacked together from the bottom surface of the first melting furnace body 21 to the lower end of the first melt outlet 23. Aluminum dissolves solid copper, making it more difficult to separate the aluminum and copper.

In order to overcome the disadvantages, a melting furnace as shown in Figure 3 has been developed and applied. 3 is a schematic cross-sectional view of a second melting furnace for selectively melting and separating conventional CCA wire scrap. Referring to FIG. 3, the second melting furnace 30 includes a second melting furnace body 31 that is thermally insulated to form an appearance, and a second melt outlet 33 through which molten aluminum flows out. The second melt outlet 33 is formed at one side of the bottom surface of the second melting furnace body 31. The conventional second melting furnace 30 shown in FIG. 3 has been described as including a second melt outlet 31 formed on the bottom surface of the second melting furnace body 31 and the second melting furnace body 31 for convenience. A configuration such as an inlet for injecting the CCA wire rod and a heating member for providing a molten heat source to the second melting furnace 30 may be further included. In the case of the second melting furnace 30 described with reference to FIG. 3, since the aluminum melted from the CCA wire rod immediately flows out through the second melt outlet 33 formed in the bottom surface of the second melting furnace body 31, FIG. 2. Compared to the first smelting furnace 20 described with reference to aluminum and copper can be separated and separated from the CCA wire scrap. However, in the case of the second melting furnace 30 described with reference to FIG. 3, the second melt outlet (2) in which the aluminum melted from the CCA wire scrap in the second melting furnace body 31 is formed on the bottom surface of the second melting furnace body 31. 33) As it is immediately discharged to the outside, there is no remaining melt and heat transfer to additional scrap is not formed evenly, which reduces the efficiency of the separation of aluminum and copper, and responds to the temperature at which the melt escapes. Therefore, since the molten heat source must be further provided through the heating member, energy is additionally required.

In order to overcome the above-mentioned problems, the present invention immediately flows molten aluminum from the CCA wire scrap through the siphon member using the siphon principle below the bottom of the main body of the melting furnace so that the molten aluminum It is an object of the present invention to provide a screening melt separation apparatus for CCA wire scrap which can efficiently separate aluminum and copper from the CCA wire scrap by not dissolving it.

Another object of the present invention is a sudden temperature caused by the outflow of molten aluminum by flowing molten aluminum from the CCA wire scrap through the siphon pipe connected from below the bottom of the furnace body through a siphon member using the siphon principle. By preventing degradation, it is possible to efficiently separate and separate aluminum and copper from the CCA wire, and to provide a screening melt separation apparatus for CCA wire scrap that can further reduce energy requirements.

In order to achieve the above object, according to an aspect of the present invention, a scrap of a copper clad aluminum (CCA) wire rod comprising an inner core (Al) and copper (Cu) is an outer core coated on the inner core In the apparatus for selectively melting and separating the inner core of the aluminum in the at least one siphon inlet formed in the furnace body and the bottom surface of the furnace body to form an outer shape and is formed on the bottom surface of the furnace body, And a siphon member including a siphon pipeline for forming a closed pipeline so that molten aluminum flows out from the scrap of the CCA wire to the outside through the siphon inlet and a siphon outlet formed at an end of the siphon pipeline. A screening melt separation apparatus for CCA wire rod scrap can be provided.

In a preferred embodiment, the siphon outlet is located lower than the siphon inlet. In addition, the size of the at least one siphon inlet is characterized in that the molten aluminum flows out into the siphon pipe, but is formed in the form of a mesh so as not to pass the copper present in the solid state. In addition, the apparatus for sorting and separating the CCA wire scrap according to the present invention may further include a decompression pump that allows the molten aluminum present in the siphon pipeline to be discharged to the outside through the siphon outlet by depressurizing only during an initial predetermined time. have.

According to the present invention, the following effects can be expected.

Siphon material using the siphon principle allows the molten aluminum to flow out of the CCA wire scrap immediately below the bottom of the furnace body to prevent molten aluminum from dissolving solid copper. It is possible to provide a screening melt separation device of the CCA wire scrap which can be screened separation.

In addition, according to the present invention, the molten aluminum from the CCA wire scrap through the siphon member using the siphon principle to the outside through the siphon pipe connected from below the bottom of the main body of the melting furnace to sudden temperature due to the outflow of the molten aluminum By preventing degradation, it is possible not only to efficiently separate aluminum and copper from the CCA wire rod, but also to provide a screening melt separation apparatus of CCA wire scrap, which can reduce additional energy requirements.

1A is a longitudinal sectional view of a CCA wire rod.
1B is a cross sectional view of a CCA wire rod.
2 is a cross-sectional view schematically showing a first melting furnace for selectively melting and separating conventional CCA wire scrap.
3 is a cross-sectional view schematically showing a second melting furnace for selectively melting and separating conventional CCA wire scrap.
Figure 4 is a schematic cross-sectional view of a screening melt separation apparatus of CCA wire scrap according to a preferred embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Figure 4 is a schematic cross-sectional view of a screening melt separation apparatus of CCA wire scrap according to a preferred embodiment of the present invention.

Referring to FIG. 4, the apparatus for sorting and separating and separating the CCA wire scrap according to the present invention 100 is preferably implemented as a melting furnace, and in the melting furnace main body 110 and the melting furnace main body 110 which are thermally insulated to form an appearance. The molten aluminum from the CCA wire includes a siphon member 120 that flows out using the siphon principle.

Although the apparatus for sorting and separating and separating the CCA wire scrap according to the present invention shown in FIG. 4 includes the melting furnace main body 110 and the siphon member 120 for convenience, an inlet for injecting the CCA wire rod, and melting. It may further include a configuration such as a heating member for providing a heat source. The heating member for providing a melting heat source according to the present invention may include a melting method using electricity or a melting method using fuel. In the former case, a plasma method of generating a high-temperature flame by using a plasma torch and a medium gas, an arc method of applying a high voltage to a carbon rod to generate a high-temperature arc and melting it, and an electrical resistance generating heat through electrical resistance In the latter case, there are a coke bed method and a swirl flow method for supplying a molten heat source by supplying an auxiliary fuel such as coke.

The siphon member 120 immediately melts aluminum melted from the CCA wire rod scrap through at least one siphon inlet 121 and the siphon inlet 121 formed on the bottom surface of the furnace body 110. The siphon outlet 123 is formed at the end of the siphon duct 123 and the siphon duct 123 to form a closed pipe so as to flow out from the bottom surface of the outflow state. The size of the at least one siphon inlet 121 formed on the bottom of the melting furnace body 110 is the molten aluminum flows out to the siphon pipe 123 located below, but the copper present in the solid state does not pass through It is formed small enough so as not to form a mesh. The siphon outlet 125 is positioned to be lower than the siphon inlet 121, whereby a siphon effect occurs.

The molten heat source is provided to the CCA wire rod scrap received in the furnace body 110 through the heating member, so that only aluminum constituting the inner core is melted from the CCA wire rod scrap, and the molten aluminum is applied to the bottom surface of the furnace body 120. By immediately flowing down the bottom surface of the melting furnace body 120 through the formed siphon inlet 121, aluminum and copper can be efficiently separated from the CCA wire scrap without molten aluminum does not dissolve solid copper. The molten aluminum that flows out below the bottom surface of the melting furnace body 120 through the siphon inlet 121 is lower than the siphon inlet 121 so as to generate a siphon effect with the siphon pipe 123 located below. By outflowing through the siphon outlet 125 located, it is possible to prevent the sudden drop in temperature due to the outflow of molten aluminum to efficiently separate the aluminum and copper from the CCA wire scrap, as well as to reduce additional energy requirements. Can be.

The screening melt separation apparatus 100 of the CCA wire scrap according to the present invention, when the CCA wire scrap is melted or more than the top of the outlet diaphragm, the molten aluminum begins to be naturally discharged by the potential energy difference, and the siphon pipe 123 is empty. By the principle of siphon until the aluminum is separated.

 When the molten aluminum is located in the siphon conduit 123 located below the bottom surface of the melting furnace body 120 through the siphon inlet 121, the initial constant (predetermined) time through the siphon outlet 125. It may further include a decompression pump for allowing molten aluminum positioned in the siphon duct 123 to be discharged to the outside through the siphon outlet 125 by the siphon effect by depressing only during the decompression.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

10: CCA wire rod 11: Internal core
12: shell 20: first melting furnace
21: first melting furnace body 23: first melt outlet
30: second melting furnace 31: second melting furnace body
33: second melt outlet
100: screening melt separation device of CCA wire scrap
110: melting furnace body 120: siphon member
121: siphon inlet 123: siphon pipeline
125: siphon outlet

Claims (4)

An apparatus for selectively melting and separating aluminum as an inner core from scraps of a copper clad aluminum (CCA) wire including aluminum (Al) as an inner core and copper (Cu) as an outer sheath coated on the inner core. In
A melting furnace body forming an appearance; And
At least one siphon inlet formed on a bottom surface of the melting furnace body;
It is formed on the bottom surface of the melting furnace body, and the siphon pipe to form a closed pipe so that the molten aluminum from the scrap of the CCA wire flows out through the siphon inlet to the outside;
A siphon member including a siphon outlet formed at an end of the siphon duct
Screening melt separation device of the CCA wire scrap containing a. The method of claim 1,
And the siphon outlet is located lower than the siphon inlet. The method of claim 1,
Wherein the at least one siphon inlet is melted aluminum flows out into the siphon pipe, but is formed in a net shape so as not to pass the copper present in the solid state, characterized in that the screening melt separation apparatus of the CCA wire scrap. The method of claim 1,
And decompressing molten aluminum present in the siphon conduit to discharge to the outside through the siphon outlet by depressurizing only an initial predetermined time.

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