JPH07300687A - Rust preventive treatment and device therefor - Google Patents

Abstract

PURPOSE:To thickly form rust preventive films between a stranded wire surface and strands by applying a benzotriazole soln. on the stranded wire surfaces, then blowing air, etc., to the stranded wire and subjecting the stranded wire surface to a rust preventive treatment. CONSTITUTION:A rust preventive vessel 31 is divided by a partition plate 33 to a rust preventive liquid vessel 34 and an air vessel 35. Overflow vessels 39, 40 are formed of partition plates 36, 37 and partition plates 33, 38 on both sides of this rust preventive liquid vessel 34. A rust preventive liquid housing vessel 41 is formed between both vessels. The air vessel 35 is internally provided with air nozzles 57 consisting of cylindrical bodies having air tunnel parts 60 communicating with plural air blow-off holes 61. The benzotriazole soln. 54 is supplied as the rust preventive into the rust preventive housing vessel 41 of such constitution and the stranded wire 32 consisting of copper wires are made to travel in the rust preventive liquid 54, by which the rust preventive liquid 54 is applied on the stranded wire. The stranded wire is then made to travel in the air vessel 35, where the air or gaseous oxygen is blown from the air nozzles 57. As a result, the thick rust preventive films of the copper benzotriazole are formed between the surface of the stranded wire 32 and the copper wire strands, by which the sufficient rust preventive effect is obtd.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for rust-proofing a copper single wire, a stranded wire such as a twisted wire, and in particular, a thick rust-proof coating between the surface of the single wire or the surface of the twisted wire and the wires. The present invention relates to a rustproofing method and a rustproofing apparatus that can be formed.

[0002]

2. Description of the Related Art Generally, the conductor of an electric wire used for a power transmission line is subjected to a rust preventive treatment on its surface in order to maintain a specified service life. As this rust preventive liquid, BTA
Anti-corrosion agents such as (benzotriazole) are 1.1.1 trichloroethane, isopropanol, MEK (Me
(thyl ethyl Ketone), Methan
What is dissolved in a mixed solvent such as ol is used. The following method has been conventionally used as a rust preventive treatment method using this rust preventive solution. First, a method of applying a rust preventive solution to a conductor passing through by a shower method, and a second method.
The method of applying the anticorrosive liquid to the conductor by passing the conductor through fibers such as felt impregnated with the anticorrosive liquid, and thirdly, dipping and passing the conductor in a liquid tank filled with the anticorrosive liquid. Each method of applying a rust preventive liquid is used. Then, in any of these methods, after applying to a conductor passing through, the rust preventive solution is naturally dried and wound on a winder.
However, depending on these conventional rust prevention treatment methods,
The BTA solvent applied to the copper surface is dried before the copper constituting the conductor and the BTA are sufficiently reacted, and the BTA solvent is excessively present on the copper surface as shown in FIG.
There is a problem that it does not contribute to the formation of the TA film, the CuBTA film cannot be formed thick with respect to the coating amount of the BTA solvent, and the rust preventive effect cannot be sufficiently obtained.

During the process of forming an anticorrosion film on the copper surface, a benzotriazole (C ₆ H ₄ N ₂ .NH) solution as an anticorrosion solution is used. It has been clarified that benzotriazole becomes cupric benzotriazole (corrosion preventive film) in the presence of oxygen (O ₂ ) by the following chemical reaction. However, in the conventional rust prevention treatment, in order to prevent the place where the rust preventive liquid does not adhere to the surface of the conductor that travels through, the car is passed through a deep position in the tank filled with the rust preventive liquid. Contact with is significantly reduced. Thus, in the conventional anticorrosion treatment method, the oxygen (O ₂ ) required when the antirust solution reacts with copper to form the antirust film is insufficient, and thus the antirust film is formed. Since it was not sufficient, in recent years, JP-A-64
As shown in No. 42586, a rust preventive treatment device as shown in FIG. 9 has been proposed.

In FIG. 9, reference numeral 1 denotes a rust preventive treatment device for performing a rust preventive treatment on a single wire formed into a desired wire diameter by a wire drawing machine or a stranded wire formed by twisting two or more strands by a twisting machine. It is a thing. Reference numeral 2 is a case, and 3 is a partition plate for dividing the interior of the case 2 into a plurality of chambers. A plurality of rustproof tanks 4 are configured by the partition plate 3. The partition plate 3 is formed in a case shape, and a rectangular notch 5 is provided in the upper center of the partition plate 3. 6 is a felt, which is fitted in the partition plate 3, and 7 is a notch provided in the upper center of the felt 6. Reference numeral 8 is an air supply pipe, and the partition plate 3 is provided below the partition plate 3.
Is provided to penetrate. The air supply pipe 8 is formed in a tubular shape having a circular cross section, and is provided with a large number of holes 9. The tip of the air supply pipe 8 is sealed, and the other end of the air supply pipe 8 is connected to an air inlet pipe 11 via a joint 10. The air inlet pipe 11 penetrates the bottom surface of the case 2 and is led to the outside. The air supplied from the air inlet pipe 11 is supplied to the rust preventive liquid of the case 2 as air bubbles from the air supply pipe 8 through the hole 9. A plurality of through holes 12 are provided on the bottom surface of the case 2 at every other rustproof tank 4 (three in FIG. 9). 13 is a through hole 12
An anticorrosive liquid supply pipe and a anticorrosive liquid discharge pipe 14 connected to.

A rust preventive liquid (benzotriazole) is supplied from the rust preventive liquid supply pipe 13 into the case 2 thus constructed, and the rust preventive liquid is attached to the rust preventive liquid supply pipe 13. From the existing rustproof tank 4 to the upper end of the partition plate 3 of each rustproof tank 4 is sequentially filled. Further, air is supplied from the air inlet pipe 11 and supplied as fine bubbles into the rust preventive liquid from the air supply pipe 8. As described above, according to the conventional example shown in FIG. 9, the copper wire 20 is dipped and run in the rust preventive liquid in which fine air bubbles are vigorously supplied into the rust preventive liquid, and a thick rust preventive film is formed on the surface of the copper wire 20. Is to form.

[0006]

In such a rust preventive treatment apparatus as shown in FIG. 9, air (oxygen gas) bubbles in the rust preventive solution in which a rust preventive solution (BTA type) is dissolved in a solvent. Is supplied and is supplied with sufficient oxygen (O ₂ ), the surface of the copper single wire and the copper stranded wire that is immersed in the anticorrosive solution runs on the surface of BTA containing sufficient oxygen (O ₂ ). Then, the benzotriazole forms a thick cupric benzotriazole cuprate (anticorrosion coating) in the presence of sufficient oxygen (O ₂ ). However, the conventional anticorrosion treatment apparatus as shown in FIG. 9 has a problem that the equipment structure is complicated and the equipment is expensive, and the manufacturing cost for performing the anticorrosion treatment is expensive. Further, the conventional rust preventive treatment apparatus as shown in FIG. 9 has a problem that the operation is complicated and the workability is poor because the configuration of the apparatus is complicated.

The object of the invention as claimed in claims 1, 2, 3, 4, 5, and 6 is to twist two or more strands by the surface of a single wire formed into a desired wire diameter by a wire drawing machine or by a twisting machine. The CuBTA film is formed thickly between the surface of the stranded wire formed by the above process and the strands so that a sufficient rust prevention effect can be obtained.

[0008]

Means for Solving the Problems The present inventor has found that between the surface of a single wire or the surface of a twisted wire and the wires of a twisted wire, provided that an appropriate amount of anticorrosive liquid and sufficient oxygen (O ₂ ) are supplied. It has been found that a thicker rust preventive coating can be formed than before, and it is possible to form a thick rust preventive coating with a small amount of rust preventive liquid by utilizing the advantage of the conventional rust preventive treatment apparatus as shown in FIG. Invented.

According to the first aspect of the invention, a benzotriazole solution is applied to the surface of a single wire formed into a desired wire diameter by a wire drawing machine or the surface of a stranded wire formed by twisting two or more strands with a twisting machine. The single wire or the twisted wire coated with the benzotriazole solution is blown with air or oxygen gas to be subjected to a rust preventive treatment.

According to a second aspect of the present invention, a single wire formed into a desired wire diameter by a wire drawing machine or a stranded wire formed by twisting two or more element wires by a twisting machine is filled with a benzotriazole solution to prevent rust. In a rust preventive treatment device for rust-preventing treatment between the surface of a single wire or the surface of a stranded wire and the strands of a stranded wire by immersing and running in the tank, the rust preventive tank is divided into two parts by a partition plate, and traveled. Form the upper hand in the rust prevention liquid tank and the lower hand in the air tank,
An air nozzle is provided in the air tank, and air or oxygen gas is blown onto the outer peripheral surface of the traveling single wire or stranded wire.

According to a third aspect of the present invention, a single wire formed into a desired wire diameter by a wire drawing machine or a stranded wire formed by twisting two or more element wires by a twisting machine is filled with a benzotriazole solution to prevent rust. In a rust preventive treatment device for performing rust preventive treatment between the surface of a single wire or the surface of a stranded wire and the strands of a stranded wire by dipping and running in the tank, the rust preventive tank is divided into three or more parts by a partition plate, Each chamber of the rust preventive tank divided by the partition plate is alternately arranged so that the rust preventive liquid tank and the air tank are adjacent to each other, the air nozzle is provided in the air tank, and the running single wire or Air or oxygen gas is blown onto the outer peripheral surface of the stranded wire.

According to a fourth aspect of the present invention, the air nozzle has a cylindrical shape in which a slit for inserting a single wire or a twisted wire is formed in an upper portion in a longitudinal direction so as to surround an outer peripheral surface of the running single wire or the twisted wire. And a plurality of air outlet holes are formed on the side facing the outer peripheral surface of the single wire or the stranded wire.

According to a fifth aspect of the present invention, the air nozzle is formed in a horseshoe shape so as to surround the outer peripheral surface of the traveling single wire or stranded wire, and a plurality of air outlet holes are provided on the side facing the outer peripheral surface of the single wire or stranded wire. Is formed.

According to a sixth aspect of the present invention, a plurality of air nozzles provided in the air tank are continuously arranged in the air tank at appropriate intervals.

[0015]

[Function] In a rust preventive solution filled with a copper single wire or a copper stranded wire in a rust preventive tank, while supporting and guiding with a felt of a partition plate, the subsurface of the rust preventive solution is several hundred to several thousand m / hr. Dip and run at speed. The copper single wire or the copper stranded wire is the surface of the copper single wire or copper while the rust-preventive liquid in the rust-prevention tank is running while traveling below the liquid surface of the rust-preventive liquid at a linear velocity of several hundred to several thousand m / hr. It is attached to the surface of the stranded wire and between the strands of the copper stranded wire and sent to the air tank. In the air tank, air (oxygen gas) is directed toward the center axis of the wire on the entire outer peripheral surface toward the rust preventive liquid adhering to the surface of the copper single wire or the surface of the copper stranded wire and the wires of the copper stranded wire. To be sprayed. The surface of the copper single wire or the surface of the copper stranded wire and the surface of the wire of the copper stranded wire are exposed to the surface of the copper single wire or the surface of the copper stranded wire and the wires of the copper stranded wire by this blown air (oxygen gas). The benzotriazole cupric (rust-preventive coating) forming reaction is promoted between the rust-preventive liquid adhering to and the copper of the wire rod to form a thick rust-preventive coating.

[0016]

EXAMPLES Examples of the present invention will be described below. The copper single wire manufacturing apparatus has a structure as shown in FIG.
That is, the copper wire 20 pulled out from the furnace is shown in FIG.
, The wire drawing machine 2 is pulled out in the direction shown by the arrow A.
1, the wire is drawn to a desired wire diameter, pulled by the rising hook 22, passed through the rust preventive tank 23 and wound on the winding drum 24, and a rust-proof copper single wire is manufactured. Further, the twisted wire manufacturing apparatus has a configuration as shown in FIG. That is, as shown in FIG. 4, a copper wire 20 stretched in the direction indicated by arrow A is drawn to a desired wire diameter by a wire drawing machine 21, pulled by a rising hook 22, and a rust preventive tank 23 is drawn. 5 to be wound around the winding drum 24 to produce an anticorrosion-treated copper single wire, and the drawn copper single wire is shown in FIG.
As shown in (1), the wire is twisted by the twisting machine 25, passed through the rust preventive tank 27 as the twisted wire 26, and wound on the winding drum 24. In this way, the stranded copper wire subjected to the anticorrosion treatment is manufactured.

FIGS. 1 to 3 show an embodiment of a rustproofing method and a rustproofing apparatus according to the present invention. Reference numeral 31 denotes a rust preventive tank, which is a copper wire (refers to a copper single wire formed into a desired wire diameter by a wire drawing machine or a copper stranded wire formed by twisting two or more strands formed by a twisting machine). It is for rustproofing the surface. This rust prevention tank 31
Is divided into a rust preventive liquid tank 34 and an air tank 35 by a partition plate 33.

The rust preventive liquid tank 34 is constituted by a partition plate 33 which is separated from the air tank 35, and a partition plate 36 which is provided on the upper side of the copper wire 32 in the traveling direction. 37, 38
Is a partition plate, and the partition plate 37 and the partition plate 36 constitute an overflow tank 39, and the partition plate 38 and the partition plate 33 constitute an overflow tank 40. Further, the partition plate 37 and the partition plate 38 form a rust preventive liquid storage tank 41. Therefore, the rust preventive liquid tank 34
Is an overflow tank 39 and an overflow tank 40.
And a rust preventive liquid storage tank 41. The partition plates 33, 36, 37, 38 are all configured in the same shape, and are formed in a thin case shape, and rectangular notches 42, 43, 44, 45 are provided in the upper center part. The felts 46, 47, 48, 49 are exposed at the cutouts 42, 43, 44, 45, respectively. The felts 46, 47, 48, 49 are formed in a rectangular shape, and cuts 50, 51, 52, 53 are provided at substantially the center. The copper wire 32 fits into each of the cuts 50, 51, 52, 53 of the felts 46, 47, 48, 49 so as to run.

The rust preventive liquid storage tank 41 is the overflow tank 3
It is sandwiched between 9 and the overflow tank 40, and is provided in the center of the rust preventive liquid tank 34. The rust preventive liquid storage tank 41 stores a rust preventive liquid (benzotriazole (C ₆ H ₄ N ₂ · NH) solution) 54. The rust preventive liquid 54 is supplied from a rust preventive liquid supply pipe 55 provided on the wall surface of the rust preventive tank 31. Two discharge ports of the rust preventive liquid supply pipe 56 are formed so as to project into the rust preventive liquid storage tank 41. The number of the discharge ports is equal to that of the rust preventive liquid 54 in the rust preventive liquid storage tank 41. This is because the supply amount of the rust preventive liquid 54 varies depending on the traveling speed of the copper wire 32 that is immersed in the solution, so that the change in the supply amount can be immediately responded to. In addition, this anticorrosive liquid supply pipe 43
Although not shown in FIG. 1, is also provided on the wall surface of the rust preventive tank 31 facing the rust preventive liquid supply pipe 43.

Reference numeral 57 denotes a rust preventive liquid discharge pipe, which is used when the operation is stopped.
This is for discharging the rust preventive liquid 54 remaining in the rust preventive liquid storage tank 41 from the inside of the rust preventive liquid storage tank 41 to the outside. The overflow tanks 39 and 40 are configured to return the rust preventive liquid 54 overflowing from the rust preventive liquid storage tank 41 to the rust preventive liquid supply source. The bottom surface of the rust preventive liquid storage tank 41 is higher than the bottom surfaces of the overflow tanks 39 and 40. The bottom surface of the rust preventive solution storage tank 41 is formed shallower than the bottom surfaces of the overflow tanks 39 and 40 because the copper wire 32 has a sufficient amount on the surface of the copper wire 32 when the rust preventive solution storage tank 41 is immersed and travels. This is because the amount is sufficient to apply the anticorrosive liquid 54 of.
The air tank 35 has a box-shaped space, and an air nozzle 57 is provided therein. This air nozzle 57 is shown in FIG.
It has a configuration as shown in. That is, the air nozzle 57 includes a tubular body 58 formed in a tubular shape, and a slit 59 is provided in the upper longitudinal direction. The slit 59 is for facilitating the insertion of the copper wire 32. Therefore, the slit 59 may not be provided unless it is difficult to insert the copper wire 32. As shown in FIG. 3, the tubular body 58 has a hollow portion 60 inside, and a plurality of air outlet holes 61 communicating with the hollow portion 60 are provided on the inner wall surface of the tubular body 58. There is.

Reference numeral 62 denotes an air supply pipe for supplying air (or oxygen gas) to the hollow portion 60 of the tubular body 58, and in the present embodiment, two are provided in the tubular body 58. The number of the air supply pipes 62 varies depending on the length of the tubular body 58, and may be one, three, or any number as long as the purpose can be achieved.
The air supplied from the air supply pipe 62 as shown by the arrow C in FIG. 3 is supplied to the hollow portion 60 of the cylindrical body 58 as shown by the arrow in FIG. It is sprayed onto the running copper wire 32. When air is blown from the air outlet 61 to the copper wire 32 running in the tubular body 58, excess rust preventive liquid adhering to the surface of the copper wire 32 is blown off, and at the same time, it adheres to the surface of the copper wire 32. Sufficient oxygen (O ₂ ) is supplied to the anticorrosive liquid. By supplying sufficient oxygen (O ₂ ) to the BTA attached to the surface of the copper wire 32 in this way, Is promoted, and the benzotriazole becomes thick benzotriazole cupric acid (rust preventive film) in the presence of sufficient oxygen (O ₂ ), and runs in the air tank 35.
2 is formed on the surface. Reference numeral 63 denotes an outlet, which is a copper wire 32 that travels in the tubular body 58 from the air outlet 61 of the tubular body 58.
This is for discharging the excess rust-preventive liquid blown off from the surface of the copper wire 32 that travels inside the tubular body 58 when sprayed on.

Therefore, according to the present embodiment, the copper wire 32
It is possible to form a thick cupric benzotriazole (corrosion preventive coating) on the surface of the. Further, according to the present embodiment, by blowing off the excess rust preventive liquid adhering to the surface of the copper wire 32, the rust preventive liquid necessary for forming the rust preventive coating can be suppressed to the necessary minimum. The rust preventive liquid does not fall down when wound around the take-up drum 24, and the expensive rust preventive liquid is not wasted.

Next, a copper wire which has been subjected to rust-prevention treatment based on this embodiment (Example) and a copper wire which has been produced by a conventional method of rust-prevention treatment by dipping and running in a rust-preventive solution and naturally drying (conventional) Example 1)
And a conventional copper wire (conventional example 2) manufactured by a method of rust-preventing by immersing and running in a rust-preventive liquid in which bubbles are generated as shown in FIG. The comparison results are shown in Table 1. The rust preventive liquid applied to the surface of the rust preventive treated copper wire in each of these Examples, Conventional Example 1 and Conventional Example 2 has a BTA concentration of 0.3 w / v%, 0.5 w /
Using 4 kinds of v%, 1.0 w / v%, 1.5 w / v%,
The rust prevention effect was verified for each of them.

Table 1 The rust preventive effect test in Table 1 was carried out by immersing the solution in 100 ppm of Na ₂ S (sodium sulfide) for 30 seconds and observing the degree of discoloration. The evaluation method is Na ₂
The degree of discoloration due to the S liquid is visually determined, and as a result of immersion for 30 seconds, "X" indicates that the entire surface of the rust-proof treated copper wire has changed color, and "△" indicates that the surface of the rust-proof treated copper wire has changed slightly. ], The case where the anticorrosion treated copper wire did not discolor over the entire surface was marked as "○".

From the results shown in Table 1, in the case of Conventional Example 1 in which the anticorrosion-treated copper wire coated with the anticorrosion solution on the surface was naturally dried, BT was used.
When the A concentration is 0.3 w / v%, the entire surface of the anticorrosion-treated copper wire is discolored and is “x”, which means that the CuBTA film (anticorrosion film) is not thickly formed on the surface of the copper wire. ing. When the BTA concentration is 0.5 w / v%, the surface of the anticorrosion-treated copper wire is slightly discolored, and the thickness of the CuBTA film (anticorrosion film) formed on the surface of the copper wire is “△”. Is not enough. Furthermore, the BTA concentration is 1.0 w / v
%, 1.5 w / v%, the color of the CuBTA film (anticorrosion coating) formed on the surface of the copper wire is "○" without discoloration over the entire surface of the anticorrosion treated copper wire. Is sufficient. Similarly, in the conventional example as well, the rust-preventive liquid that is supplied with air (or oxygen gas) bubbles is dipped in the rust-preventive liquid to apply the rust-preventive liquid to the surface of the copper wire, and then naturally dried. In the case of Example 2, when the BTA concentration is 0.3 w / v%, the surface of the anticorrosion-treated copper wire is slightly discolored and has a "△", and the CuBTA film (anticorrosion coating) formed on the surface of the copper wire. ), The BTA concentration is 0.5 w /
In the case of v%, if the BTA concentration is 1.0 w / v%, the BT
When the A concentration is 1.5 w / v%, both are "○",
This shows that discoloration does not occur over the entire surface of the anticorrosion-treated copper wire and the thickness of the CuBTA film (antirust film) formed on the surface of the copper wire 1 is sufficient. It can be seen that the conventional example 2 has an effect of forming the CuBTA film (corrosion preventive film) thicker than the conventional example 1.

On the other hand, in the embodiment, the BTA concentration is 0.3 w /
In the case of v%, the surface of the anticorrosion treated copper wire is slightly discolored and is “△”, and the thickness of the CuBTA film (anticorrosion coating) formed on the surface of the copper wire is not sufficient. When the concentration is 0.5w / v%, the BTA concentration is 1.0w / v%
In the case of, the BTA concentration was 1.5 w / v% in all cases, and the CuBTA film formed on the surface of the copper wire 1 without causing discoloration over the entire surface of the rust-proof treated copper wire ( It shows that the thickness of the rust preventive film) is sufficient. This embodiment has the same effect as the conventional example 2, but the embodiment is
Since the amount of the rust preventive liquid is smaller than that of the conventional example 2, the same effect as that of the conventional example 2 can be obtained.

FIG. 6 shows an embodiment of the rust preventive treatment apparatus according to the invention of claim 3. This embodiment is shown in FIG.
The rust preventive treatment apparatus shown in FIG. That is, 70 is a rust preventive tank, and is a copper wire (refers to a copper single wire formed into a desired wire diameter by a wire drawing machine or a copper stranded wire formed by twisting two or more element wires by a twisting machine) This is for rustproofing the surface of 32. This anti-rust tank 70
Is divided by a partition plate 71 into a first rustproof tank 72 and a second rustproof tank 73. Both the first rustproof tank 72 and the second rustproof tank 73 have the same structure as the rustproof tank 31 shown in FIG. That is, the first rustproof tank 72 is divided by the partition plate 74 into a rustproof liquid tank 75 and an air tank 76.

The rust preventive liquid tank 75 is constituted by a partition plate 74 which is separated from the air tank 76, and a partition plate 77 which is provided on the upper side of the copper wire 32 in the traveling direction. 78, 79
Is a partition plate, and the partition plate 78 and the partition plate 77 constitute an overflow tank 80, and the partition plate 79 and the partition plate 74 constitute an overflow tank 81. Further, the partition plate 78 and the partition plate 79 form a rust preventive liquid storage tank 82. Therefore, the rust preventive liquid tank 75
Is an overflow tank 80 and an overflow tank 81
And an anticorrosive liquid storage tank 82. The configuration of the partition plates 74, 77, 78, 79 is the same as that of the partition plates 33, 36, 37, 38 shown in FIG. 1, and will not be described here.

The rust preventive liquid storage tank 82 is the overflow tank 8
It is sandwiched between 0 and the overflow tank 81, and is provided in the center of the rust preventive liquid tank 75. Similar to the rust preventive liquid storage tank 41 shown in FIG. 1, the rust preventive liquid storage tank 82 stores a rust preventive liquid (benzotriazole (C ₆ H ₄ N ₂ .NH) solution) 83. The structure of the rust preventive liquid storage tank 82 is similar to that of the rust preventive liquid storage tank 41 shown in FIG. The air tank 76 has a box-shaped space, and an air nozzle 84 is provided inside. The air nozzle 84 blows air (or oxygen gas) onto the copper wire 32 having the anticorrosive liquid adhering to the surface thereof to blow away excess anticorrosive liquid, and at the same time, sufficient oxygen (O ₂ ) for the anticorrosive liquid.
Is supplied to accelerate the reaction between BTA and the copper wire 32 to form a thick benzotriazole cupric acid (rust preventive film) on the surface of the copper wire 32. The air nozzle 84 is configured similarly to the air nozzle 57 shown in FIG.

The second rustproof tank 73 is divided by a partition plate 85 into a rustproof liquid tank 86 and an air tank 87. The rust preventive liquid tank 86 is divided into an air tank 87 and a partition plate 85, and the copper wire 32.
It is configured to be partitioned by a partition plate 71 that is provided in the traveling direction of the. Reference numerals 88 and 89 denote partition plates. The partition plate 88 and the partition plate 71 form an overflow tank 90.
However, the partition plate 89 and the partition plate 85 respectively constitute the overflow tanks 91. Also, the partition plate 8
The rust preventive liquid storage tank 92 is constituted by 8 and the partition plate 89. Therefore, the rust preventive liquid tank 75 includes the overflow tank 90, the overflow tank 91, and the rust preventive liquid storage tank 92.
It is composed of and. This partition plate 85, 71, 8
The configuration of 8, 89 corresponds to the partition plates 33, 36, 3 shown in FIG.
Since it is the same as Nos. 7 and 38, it will not be described here.

The rust preventive liquid storage tank 92 is the overflow tank 9
It is sandwiched between 0 and the overflow tank 91, and is provided in the center of the rust preventive liquid tank 86. The rust preventive solution storage tank 92 stores a rust preventive solution (benzotriazole (C ₆ H ₄ N ₂ .NH) solution) 93, like the rust preventive solution storage tank 41 shown in FIG. The structure of the rust preventive liquid storage tank 92 is similar to that of the rust preventive liquid storage tank 41 shown in FIG. The air tank 87 has a box-shaped space, and an air nozzle 94 is provided therein. The air nozzle 94 blows air (or oxygen gas) to the copper wire 32 having the anticorrosive liquid adhering to the surface thereof to blow away excess anticorrosive liquid, and at the same time, oxygen (O ₂ ) sufficient for the anticorrosive liquid.
Is supplied to promote the reaction between BAT and the copper wire 32 to form a thick benzotriazole cupric acid (rust preventive film) on the surface of the copper wire 32. The air nozzle 94 is configured similarly to the air nozzle 57 shown in FIG.

In this embodiment, the rust preventive tank 70 is divided into a first rust preventive tank 72 and a second rust preventive tank 73 by a partition plate 71, and two rust preventive treatment devices are connected in series. However, this rust preventive treatment device can be installed in three stages,
It is also possible to connect four stages. That is, the invention according to claim 3 is
The rust preventive tank 70 is divided into three or more rust preventive tanks by a plurality of partition plates 71, and each of the divided rust preventive tanks is provided with a rust preventive liquid tank 72 from a good running of the copper wire 32. The air tank 76, the anticorrosive liquid tank 86, and the air tank 87 are alternately arranged so that the anticorrosive liquid tank and the air tank are adjacent to each other, and the air nozzles are formed in the respective air tanks formed in the respective antirust tanks. Provided,
Air (or oxygen gas) is blown onto the outer peripheral surface of the copper wire 32 traveling from the rustproof liquid tank.

FIG. 7 shows an embodiment of the rust preventive treatment apparatus according to the inventions of claims 5 and 6. In this example,
The air nozzle formed in the cylindrical shape of the rust preventive apparatus shown in FIG. 1 and having slits formed in the upper longitudinal direction is formed in a horseshoe shape surrounding the outer peripheral surface of the copper wire 32, and the outer peripheral surface of the copper wire 32 is formed. A plurality of air outlets are formed on the inner wall surface facing each other, and a plurality of air outlets are continuously provided in an air tank in the rustproof tank at appropriate intervals. That is, 31 is an antirust tank, 33
Is a partition plate, 34 is a rust preventive liquid tank, 36, 37 and 38 are partition plates, 39 is an overflow tank, 40 is an overflow tank, 41 is a rust preventive liquid storage tank, 54 is a rust preventive liquid, and 55 is a rust preventive liquid supply. The pipe and 63 are outlets. Since these respective constituent elements are exactly the same as those described in the embodiment shown in FIG. 1, the description thereof will be omitted here.

Reference numeral 101 denotes an air tank, which is the air tank 3 shown in FIG.
5 has the same basic configuration as that of No. 5, but the configuration of the air nozzle 57 provided in the air tank 35 shown in FIG. 1 is different. 102 is an air nozzle, and the air nozzles 103, 10
Three air nozzles Nos. 4 and 105 are continuously arranged at a predetermined interval. Air nozzle 103 (104, 1
05) has a configuration as shown in FIGS. That is, this air nozzle 103 (104, 105)
The main body 106 (111, 116) formed in a horseshoe shape is provided, and the copper wire 32 is attached to the air nozzle 103 (1) in the upper longitudinal direction.
04, 105) through which the opening 107 (1
12, 117) are provided. This opening 107
(112, 117) may not be provided unless it is difficult to insert the copper wire 32. In addition, this main body 106
As shown in FIG. 9, (111, 116) has a hollow portion 1 inside.
08 is formed, and the main body 106 (111, 116)
A plurality of air outlets 109 (114, 119) communicating with the cavities 108 (113, 118) are provided on the inner wall surface of the. 110 (115, 120) is the main body 10
6 (111, 116) cavity 108 (113, 11)
An air supply pipe for supplying air (or oxygen gas) to 8). Air is supplied to the air supply pipe 110 as shown by an arrow D in FIG.
To the cavity 108 (1 of the main body 106 (111, 116)
13, 118) and the cavity 108 (113, 1).
The air supplied to 18) is supplied to the air outlet holes 109 (11
4, 119) and is sprayed onto the copper wire 32 running in the main body 106 (111, 116). This body 106
When air is blown from the air outlet holes 109 (114, 119) to the copper wire 32 running in the (111, 116), excess rust preventive liquid adhering to the surface of the copper wire 32 is blown off, and at the same time, the copper wire is blown off. Sufficient oxygen (O ₂ ) is supplied to the anticorrosive liquid adhering to the surface of 32. The air nozzle 104 and the air nozzle 105 have exactly the same configuration as the air nozzle 102, and the configurations are as shown in FIGS. 8 and 9.

As described above, in this embodiment, the air nozzle 10
Since the three air nozzles 3, 104 and 105 are connected in series at a predetermined interval to configure the air nozzle 102, when the excess rust preventive liquid adhering to the surface of the copper wire 32 is blown off, the rust preventive blown off. The liquid can be smoothly dropped onto the floor surface of the air tank 101. Further, according to the present embodiment,
Since the three air nozzles 103, 104, and 105 are continuously arranged at a predetermined interval, the air nozzle 10
The air blown out from 3, 104, 105 can be efficiently used.

[0036]

According to the invention of claim 1, benzotriazole is formed on the surface of a single wire formed into a desired wire diameter by a wire drawing machine or a twisted wire formed by twisting two or more strands by a twisting machine. A solution is applied, and the single wire or stranded wire coated with the benzotriazole solution is sprayed with air or oxygen gas to be subjected to rust-prevention treatment, and thus the surface of the single wire formed into a desired wire diameter by a wire drawing machine. Or, between the surface of the twisted wire formed by twisting two or more wires with a twisting machine and between the wires, Cu
The BTA film can be formed thick and a sufficient rust prevention effect can be obtained.

According to the second aspect of the present invention, the benzotriazole solution is filled with a single wire formed into a desired wire diameter by a wire drawing machine or a twisted wire formed by twisting two or more strands with a twisting machine. The rust preventive tank in the rust preventive treatment device that applies rust preventive treatment to the single wire or the stranded wire by immersing and running in the rust preventive tank is divided into two by a partition plate, and the upper running hand is the antirust liquid tank and the lower running hand is the air. It is formed in the tank, the air nozzle is provided in the air tank,
Since air or oxygen gas is blown to the outer peripheral surface of the running single wire or twisted wire, two or more strands are twisted by the surface of the single wire formed into a desired wire diameter by a wire drawing machine or the twisting machine. CuBTA between the surface of the formed stranded wire and the wires
The film can be formed thick and a sufficient rust preventive effect can be obtained.

According to the third aspect of the present invention, the benzotriazole solution is filled with a single wire formed into a desired wire diameter by a wire drawing machine or a twisted wire formed by twisting two or more strands with a twisting machine. A rustproof tank in a rustproofing device for rustproofing a single wire or a twisted wire by immersing and running in a rustproof tank is divided into three or more parts by partition plates, and the rustproof tank divided by the partition plates Each chamber is alternately arranged so that the rust preventive liquid tank and the air tank are adjacent to each other, an air nozzle is provided in the air tank, and air or oxygen gas is supplied to the outer peripheral surface of the running single wire or stranded wire. Since it is configured to be sprayed, a CuBTA film is formed between the surface of a single wire formed into a desired wire diameter by a wire drawing machine or the surface of a stranded wire formed by twisting two or more wires with a twisting machine and the wire. It can be formed thicker and has a greater rustproof effect. It is possible to obtain.

According to the fourth aspect of the present invention, the air nozzle is a cylinder formed with a slit into which the single wire or the twisted wire is inserted in the longitudinal direction so as to surround the outer peripheral surface of the running single wire or the twisted wire. Since it is formed in a circular shape and has a plurality of air outlet holes formed on the side opposite to the outer peripheral surface of the single wire or the twisted wire, it is easy to insert the running single wire or the twisted wire into the air nozzle. Therefore, sufficient oxygen can be supplied to the anticorrosive liquid adhering to the surface of the running single wire or the twisted wire, which can blow air toward the central axis of the running single wire or the twisted wire.

According to the fifth aspect of the invention, the air nozzle is formed in a horseshoe shape so as to surround the outer peripheral surface of the running single wire or stranded wire, and a plurality of air nozzles are provided on the side facing the outer peripheral surface of the single wire or stranded wire. Since the blow-out holes are formed, it is not necessary to take a large space in the air tank.

According to the sixth aspect of the present invention, since the plurality of air nozzles provided in the air tank are continuously arranged in the air tank at appropriate intervals, the running single wire or stranded wire is used. When the excess rust preventive liquid adhering to the surface of the
The blown rust preventive solution can be smoothly dropped onto the floor of the air tank. Further, a large amount of oxygen can be supplied to the rust preventive liquid adhering to the surface of the running single wire or stranded wire.

[Brief description of drawings]

FIG. 1 is an overall perspective view, partly in section, showing an embodiment of a rustproofing method and a rustproofing apparatus according to the present invention.

FIG. 2 is an overall perspective view of the air nozzle shown in FIG.

FIG. 3 is a cross-sectional view of the air nozzle illustrated in FIG.

FIG. 4 is a schematic view of a single wire manufacturing apparatus to which the present invention is applied.

FIG. 5 is a schematic view of a twisted wire manufacturing apparatus to which the present invention is applied.

FIG. 6 is an overall perspective view, partly in section, showing an embodiment of a rust preventive treatment apparatus according to the invention of claim 3.

FIG. 7 is an overall perspective view, partly in section, showing an embodiment of the rustproofing apparatus according to the invention of claims 5 and 6.

8 is an overall perspective view of the air nozzle shown in FIG.

9 is a cross-sectional view of the air nozzle illustrated in FIG.

FIG. 10 is a diagram showing an enlarged part of a cross-section of a rust-prevented copper wire that has been rust-prevented by a conventional rust-prevention apparatus.

FIG. 11 is an overall perspective view showing a part of a conventional rust preventive apparatus in cross section.

[Explanation of symbols]

30, 70, 100 ………………………………………… Anticorrosion treatment equipment 31 ………………………………………………………………
…… Anticorrosion tank 33, 36, 37, 38 …………………………………………
…… Partition plate 34 ……………………………………………………………………
… Anticorrosion liquid tank 35 ………………………………………………………………
…… Air tank 39,40 ……………………………………………… Overflow tank 41 ………………………………………………………… Prevention Rust solution storage tank 54 ……………………………………………………………………
…… Rust preventive liquid 57 ………………………………………………………………
Air nozzle 61 ……………………………………………………………………
Air blowout hole 72 ……………………………………………………………… 1st rust preventive tank 73 …………………………………………………… …………… Second rust preventive tank 71,77,78,79,85,88,89 …………
…… Partition plate 75,86 …………………………………………………………
… Rust preventive liquid tank 76,87 …………………………………………………………
…… Air tank 80,81,90,91 ……………………………… Overflow tank 82,92 …………………………………………………… Rust preventive liquid storage Tank 83,93 …………………………………………………………
…… Rust preventive liquid 84,94 …………………………………………………………
Air nozzle 101, 103, 104, 105 ………………………………
Air nozzle 109, 114, 119 …………………………………………
Air outlet

Claims (6)

[Claims] 1. A benzotriazole solution is applied to the surface of a single wire formed into a desired wire diameter by a wire drawing machine or a stranded wire formed by twisting two or more strands formed by a twisting machine, and the benzotriazole solution A rust preventive treatment method in which air or oxygen gas is blown to the applied single wire or twisted wire to perform rust preventive treatment. 2. A single wire formed into a desired wire diameter by a wire drawing machine or a stranded wire formed by twisting two or more element wires by a twisting machine is dipped and run in a rust preventive tank filled with a benzotriazole solution. In the anticorrosion treatment device for performing anticorrosion treatment on the single wire or the twisted wire, the anticorrosion tank is divided into two parts by a partition plate, and the upper running part is formed into an anticorrosive liquid tank and the lower running part is formed into an air tank,
An anticorrosion treatment device characterized in that an air nozzle is provided in the air tank, and air or oxygen gas is blown onto the outer peripheral surface of the traveling single wire or stranded wire. 3. A single wire formed into a desired wire diameter by a wire drawing machine or a stranded wire formed by twisting two or more element wires by a twisting machine is dipped and run in a rust preventive tank filled with a benzotriazole solution. In the rust preventive treatment device for applying rust preventive treatment to the single wire or the stranded wire, the rust preventive tank is divided into three or more parts by partition plates, and each chamber of the rust preventive tank divided by the partition plate is
The rust preventive liquid tank and the air tank are alternately arranged so as to be adjacent to each other, an air nozzle is provided in the air tank, and air or oxygen gas is blown to the outer peripheral surface of the running single wire or stranded wire. A rust preventive treatment device characterized in that 4. The air nozzle is formed in a cylindrical shape having a slit formed in the upper portion in the longitudinal direction so as to surround the outer peripheral surface of the running single wire or twisted wire, and the single wire or The rust preventive treatment apparatus according to claim 2 or 3, wherein a plurality of air blowout holes are formed on the side of the stranded wire facing the outer peripheral surface. 5. The air nozzle is formed in a horseshoe shape so as to surround an outer peripheral surface of a running single wire or a twisted wire, and has a plurality of air outlet holes formed on a side facing the outer peripheral surface of the single wire or the twisted wire. The rust preventive treatment apparatus according to claim 2 or 3. 6. The rust preventive treatment apparatus according to claim 5, wherein a plurality of air nozzles provided in the air tank are continuously arranged in the air tank at appropriate intervals.