KR102535570B1 - High Efficiency Plating Device for Coil Steel Plates - Google Patents

Abstract

The present invention relates to a high-efficiency plating apparatus for a coiled steel sheet, comprising: a plating tank 100 filled with an electrolyte; Coiled steel sheet 200 passed from one roll 210 toward the other roll 220 while being immersed in the electrolyte of the plating tank 100 and connected to the '-pole' of the rectifier 300 so that the '-pole' is energized; The outer surface of the electrode layer 410 made of copper is provided in the electrolyte of the plating tank 100 so as to be placed on the surface and bottom of the coil steel plate 200 immersed in the electrolyte. Upper and lower electrode base plates 400a and 400b covered with a titanium layer 420 so that a plurality of electrode mounting portions 430 are provided facing each other; One end is provided with a connection part 510 made of copper that contacts the electrode layer 410 in the titanium layer 420 of the upper and lower electrode base plates 400a and 400b, and the other end is provided with the '+ pole of the rectifier 300 ', and an underwater busbar made of copper (500a, 500b) connected to '+ pole' to energize the electrode layer (410); and the electrode mounting portion 430 of the upper and lower electrode base plates (400a) (400b) It is composed of an electrode 450 installed on each side and through which the '+ pole' is energized through the electrode layer 410 made of copper; to increase the plating efficiency by supplying a sufficient amount of electricity required for plating,
The electrode mounting portion 430 of the titanium layer 420 is spaced apart from each other by a predetermined interval by the lattice-shaped groove portion 422 so that a plurality of electrodes 450 are installed in a state of being spaced apart from each other.

Description

High Efficiency Plating Device for Coil Steel Plates}

The present invention relates to a high-efficiency plating device for a coil steel sheet, and more particularly, by maximizing the amount of electricity supplied to an electrode through an underwater busbar, so that the plating material on the outer surface of the coil steel sheet, which is to be plated, is more rapidly and in an optimal state, high efficiency It relates to a high-efficiency plating device for a coil steel sheet capable of increasing plating quality and increasing plating work by enabling plating.

A commonly used traditional electroplating method is a method of electroplating while passing a cathode current through a coil steel sheet.

That is, when a plating material such as nickel, zinc, or tin is placed in a basket made of titanium and an anode current is passed through, the plating material is electrolytic to form a plating solution, and the cathode current passes through the coil steel sheet through the plating solution. In this method, the electrolytic plating material moves along the current and adheres to the outer surface of the coil steel sheet, which is the object to be plated, and the cathode current escapes through the coated steel sheet.

In this electroplating method, a filter cloth is covered on the outside of a titanium basket, and when plating materials such as zinc and tin are electrolytic, small particles are passed through the filter cloth and large particles are prevented from passing through the filter cloth. It is a method that allows only small particles to adhere to the steel plate.

However, since this electroplating method can determine the plating speed and plating quality according to the electrolysis speed of the plating material, there is a limit to increasing the plating speed, and thus the plating productivity is significantly reduced.

In order to improve this, the basket in which plating materials such as nickel, zinc, and tin are dissolved in liquid and electrolyzed is not used. Electroplating is a method of plating with the existence of an anode and a cathode, so despite the need for a new alternative anode role, most Due to the characteristics of electrolysis at the anode, there is a limit to the use of general metals, so a non-electrolytic titanium base plate is used.

As a prior art of the steel plate plating device, there is a steel plate plating device and a steel plate plating method disclosed in Patent Document 1 of the prior art document below, Republic of Korea Patent Publication No. 10-1373167 (Announcement on March 13, 2014).

Patent Document 1 is a plating system equipped with a horizontal cell that applies a current to the steel sheet while passing the steel sheet between the anode electrodes of the upper anode and the lower anode provided horizontally inside the steel sheet plating apparatus so that the plating solution inside is plated. It is a device.

Republic of Korea Patent Publication Registration No. 10-1373167 (2014.03.13. Notice) Steel plate plating device and steel plate plating method

Since titanium is a material used as a basket in conventional plating equipment, it has the characteristic of not being electrolytic to the anode even when it is formed as a base plate for electrodes, and a Ti02 oxide film is automatically formed on the surface of the base plate made of titanium to have ceramic characteristics, so the electrode It can be said that it is optimal as a base plate for

Accordingly, a large number of iridium platinum electrodes were installed on the base plate for electrodes made of titanium to promote the reaction of the electrolyte, but in this case, when the current of copper is 100, the current of the titanium base plate is about 3% Since electricity flows only to a certain extent, a situation arises in which electrical energy meets the resistance of titanium material and is converted into thermal energy.

Therefore, the present invention was developed to improve the above problems, and an object of the present invention is to form a configuration that can send 100% of the desired amount of electricity to the electrolyte when configuring an electrode base plate on which a plurality of electrodes are installed, so that the plating speed is reduced. It is to provide a high-efficiency plating device for a coil steel sheet that can be improved and the plating quality can be improved.

Another object of the present invention is a high-efficiency plating device for coil steel sheet that can reduce damage to the electrode layer made of copper installed inside the titanium layer of the base plate for electrodes when a number of electrodes are installed on the surface or maintenance work is performed for repair. is providing

In order to achieve the above object, the present invention includes a plating tank filled with an electrolyte solution of a plating material to a certain level; A coiled steel sheet that is unwound in a roll state, passed through an electrolytic solution in a plating tank, and then wound into a roll state, and the '-pole' is energized; Upper and lower electrode base plates formed by covering the outer surfaces of the electrode layers made of copper plates with titanium layers so that the outer surfaces of the electrode layers are provided with a plurality of electrode mounting parts facing each other; An underwater busbar having one end provided with a connection part in contact with the electrode layer and the other end connected to the '+ pole' of the rectifier to conduct the '+ pole' to the electrode layer; It is characterized by a high-efficiency plating device for a coiled steel sheet composed of; electrodes installed in each of the electrode mounting parts and through which the '+ pole' is energized through the electrode layer made of copper.

In addition, the upper and lower electrode base plates are coated with a titanium layer on the outer surface of the electrode layer made of copper plate by the bombardment clad + roll rolling clad method, and the underwater busbar is made of copper material, but the outer surface is coated with a titanium layer to penetrate the electrolyte. It is preferable to protect the electrode layer and the underwater busbar in

In addition, the side with the electrode mounting part of the titanium layer is formed with a thicker thickness than the other side, and nuts made of titanium made by round bar processing are combined and installed in each fastening hole on all sides to prevent damage or dissolution of the electrode layer made of copper during electrode installation. characterized by

As such, the present invention can supply as much '+ pole' electricity as possible to the iridium platinum group electrode through the underwater busbar and electrode layer coated with the titanium layer, so that 100% of the desired amount of electricity can be sent to the electrolyte. Since the plating material can be plated on the outer surface of the coil steel sheet, which is the object to be plated, more quickly and in an optimal state, it is possible to provide a high-quality coated steel sheet.

In addition, when installing electrodes on the electrode mounting part of the titanium layer or performing maintenance work, the electrode is installed using a titanium nut coupled to the fastening part of the electrode mounting part, so there is no fear of damaging the electrode layer made of copper when installing the electrode. , since the electrode layer is not exposed to the outside and there is no risk of electrolysis in the electrolyte, durability can be improved.

1 is a partial side cross-sectional view showing the structure of a high-efficiency plating apparatus for a coil steel sheet according to the present invention as an example;
Figure 2 is a partial perspective view showing a state in which the electrode base plate structure and the electrode of the present invention are separated
3a and 3b are views showing a state in which the nut and the electrode are separated and coupled to the electrode base plate of the present invention

Hereinafter, a high-efficiency plating device technology for a coil steel sheet according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The terms or words used in the present invention described below should not be construed as being limited to a conventional or dictionary meaning, and the embodiments described in this specification and the configurations shown in the drawings are only preferred embodiments of the present invention, Since they do not represent all of the technical ideas of the present invention, it should be understood that there may be various equivalents and modifications that can replace them at the time of this application.

1 is a partial side cross-sectional view showing the structure of a high-efficiency plating apparatus for a coil steel sheet according to the present invention as an example, and FIG. 2 is a partial perspective view showing a state in which the electrode base plate structure and electrodes of the present invention are separated, and FIGS. 3b is a view showing a state in which the nut 440 and the electrode are separated and coupled to the electrode base plate of the present invention.

As shown in this, the high-efficiency plating apparatus for coil steel sheet of the present invention includes a plating tank 100, a coil steel sheet 200, an upper electrode base plate 400a, a lower electrode base plate 400b, and an underwater bus bar 500a ( 500b) and an electrode 450.

The plating tank 100 is filled with a predetermined amount of an electrolyte in which a plating material is electrolyzed.

The coiled steel sheet 200 is wound in a roll state, and the portion of the coiled steel sheet 200 unwound from the roll 210 installed on one side is immersed in the electrolyte of the plating tank 100, passed through, and then wound around the roll 220 on the other side. , and is connected to the '-pole' of the rectifier 300 so that the '-pole' is energized to the steel coil 200 passing through the plating tank 100.

The upper and lower electrode base plates 400a and 400b are installed facing each other in the electrolyte of the plating tank 100 so as to be spaced apart from the surface and bottom of the coil steel sheet 200 through which they are immersed in the electrolyte.

Here, the upper and lower electrode base plates 400a and 400b are provided with an electrode layer 410 made of copper inside, and a titanium layer so that a plurality of electrode mounting portions 430 are provided on the outer surface of the electrode layer 410 to face each other. (420) is made in the form of being covered.

In addition, the electrode mounting portion 430 is shown in four rows in the horizontal direction in FIG. 1, and three rows in width x two columns in FIG. 2, but the horizontal and vertical rows are made in various rows according to the width of the coil steel sheet unwound from the roll. can lose

The underwater busbars 500a and 500b are made of copper, and are in wide contact with the electrode layer 410 made of copper in the titanium layer 420 of the upper and lower electrode base plates 400a and 400b. ) The connection part 510 made of copper, which is fixed by bolting to the electrode layer 410 with a bolt, is provided in a plate shape at one end, and the other end is connected to the '+ pole' of the rectifier 300 to attach to the electrode layer 410 made of copper. It conducts the '+ pole'.

Here, after bolting and fixing the connection part 510 made of copper to the electrode layer 410 made of copper with the T-bolt, it is preferable to weld the head of the T-bolt to prevent copper electrolysis.

The electrode 450 is detachably installed on the electrode mounting portion 430 of the upper and lower electrode base plates 400a and 400b, and the '+ pole' is energized through the electrode layer 410 made of copper, so that the promotes the reaction.

Here, the upper and lower electrode base plates 400a and 400b are preferably manufactured by coating the outer surface of the electrode layer 410 made of copper with the titanium layer 420 in the bombardment clad + roll rolling clad method, and the underwater busbar ( 500a) (500b) are also formed of a copper material, but the titanium layer 520 should be coated on the outer surface.

As described above, since the underwater busbars 500a and 500b made of copper are directly and widely connected to the electrode layer 410 made of copper through the connection portion 510 made of copper provided in the form of a plate at one end, The '+ pole' conduction rate can be increased as much as possible, and 100% of the desired amount of electricity is sent to the electrolyte solution through the electrode layer 410 and the electrode 450 to efficiently promote the reaction of the electrolyte material, thereby generating a highly efficient catalytic reaction. As a result, high-quality plating can be performed on the coil steel sheet 200 more quickly.

In addition, the outer surfaces of the electrode layer 410 made of copper and the underwater busbars 500a and 500b are coated with titanium layers 420 and 520, which have ceramic properties by automatically generating a TiO2 oxide film on the surface when in contact with the electrolyte, respectively. Since the electrode layer 410 made of copper and the underwater busbars 500a and 500b are not completely exposed in the electrolyte, the electrode layer 410 made of copper and the underwater busbars 500a, 500b are Electrolysis can be effectively prevented.

Here, the titanium layer 420 of the upper and lower electrode base plates 400a and 400b is preferably formed on the side where the electrode mounting portion 430 is located to have a thicker thickness than the other side, but is formed to the same or similar thickness as the other side. also free

However, when fastening holes 421 are formed on all sides of the surface on which the electrode mounting portion 430 is provided, and nuts 440 made of titanium made by round bar processing are coupled to each fastening hole 421, the fastening holes 421 is formed within the thickness range of the titanium layer 420 so that the titanium layer 420 exists between the fastened nut 440 and the electrode layer 410.

Then, since the lower end of the bolt fastened to the nut 440 does not directly contact the electrode layer 410, when the electrode 450 is fixed with the bolt 441 fastened to the nut 440, the electrode layer 410 made of copper is bolted ( 441), the durability of the electrode layer can be improved as much as possible, such as being able to safely protect the electrode layer 410 from the electrolyte solution without fear of being damaged or exposed to the outside.

In addition, the electrode 450 is an iridium-platinum group electrode with good catalytic reaction of the electrolyte, and the electrode mounting portion 430 of the titanium layer 420 is spaced apart from each other by a predetermined interval by the lattice-shaped groove portion 422, and a plurality of electrodes 450 ) is preferably installed in a state where they are spaced apart from each other.

Then, since the conduction rate of the '+ pole' can be maximized through the spaced electrodes 450 in several places, the reaction of the electrolyte is efficiently promoted, and the coil steel sheet 200 has a high efficiency catalytic reaction generated in this way. High-quality plating is achieved more quickly.

Although the invention made by the present inventors has been specifically described according to the above embodiments, the present invention is not limited to the above embodiments, and it is common knowledge in the art that various changes can be made without departing from the gist of the present invention. It will be self-evident to those who have

100: plating tank 200: coil steel plate
210,220: roll 300: rectifier
400a, 400b: upper and lower electrode base plate 410: electrode layer made of copper
420, 520: titanium layer 421: fastening hole
422: groove part 430: electrode mounting part
440: nut 441: bolt
450: electrodes 500a, 500b: underwater bus bar
510: connection part made of copper

Claims (1)

A plating tank 100 filled with a predetermined amount of an electrolyte in which a plating material is electrolyzed;
While being unwound from one side roll 210 and wound around the other side roll 220, it is immersed in the electrolyte of the plating tank 100 and passed through, and is connected to the '-pole' of the rectifier 300 so that the '-pole' is energized. 200);
It is installed facing the electrolyte of the plating tank 100 so as to be spaced apart from the surface and bottom of the coil steel plate 200 that is immersed in the electrolyte and passed through, and an electrode layer 410 made of copper is provided inside, and the outer surface of the electrode layer 410 Upper and lower electrode base plates 400a and 400b coated with a titanium layer 420 so that a plurality of electrode mounting portions 430 face each other on the surface;
One end is provided with a plate-shaped connection part 510 made of copper that is bolted and contacted with the electrode layer 410 made of copper in the titanium layer 420 of the upper and lower electrode base plates 400a and 400b, and the other end is a rectifier. Underwater busbars (500a, 500b) connected to the '+ pole' of (300) and energizing the '+ pole' to the electrode layer 410 made of copper;
An iridium-platinum group electrode 450 installed at each electrode mounting portion 430 of the upper and lower electrode base plates 400a and 400b and having a '+ pole' energized through the electrode layer 410 made of copper;
It consists of a sufficient supply of electricity required for plating to increase plating efficiency,
The electrode layer 410 made of copper and the titanium layer 420 on the outer surface constituting the upper and lower electrode base plates 400a and 400b are coated and manufactured by the bombardment clad method,
The underwater busbars 500a and 500b are formed of copper, but the outer surface is covered with a titanium layer 520 to increase the '+ pole' conduction rate of the electrode layer 410, and the electrode layer 410 made of copper in the electrolyte. ) and the underwater busbars 500a and 500b are not electrolyzed,
The electrode 450 is an iridium platinum group electrode with good catalytic reaction of the electrolyte,
The electrode mounting portion 430 of the titanium layer 420 is spaced apart from each other by a predetermined interval by the lattice-shaped groove portion 422 so that a plurality of electrodes 450 are installed in a state of being spaced apart from each other. .

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