KR101556319B1 - APPARATUS FOR REMOVING Zinc POWDER IN HORIZONTAL TYPE CELL ELECTROGALVANIZING LINE - Google Patents

Abstract

Disclosed is a zinc powder removal apparatus for a horizontal cell electrogalvanizing plant. The apparatus for removing zinc dust according to an embodiment of the present invention includes a plating roll supporting both sides of a strip passing through a horizontal cell, a moving frame having a cleaning belt and a textile belt disposed to face the backup roll, A rotation driving device for rotating the fiber belt and the cleaning brush at the same time, a sulfuric acid solution supply part for supplying a sulfuric acid solution to the surface of the fiber belt, and a metal attached to the surface of the fiber belt And a magnetic force generating portion for adsorbing the powder.

Description

FIELD OF THE INVENTION [0001] The present invention relates to an apparatus for removing zinc powder from a horizontal cell electro-

The present invention relates to a zinc-powder removing apparatus for a horizontal cell electro-galvanizing system, and more particularly, to a zinc-powder removing apparatus for a horizontal cell electro-galvanizing apparatus, which comprises a plating roll for supporting a strip, ≪ / RTI >

Techniques for imparting corrosion resistance by plating a zinc-based metal and a metal alloy on the surface of a steel sheet have been extensively carried out, and are widely used as materials for household appliances and automobiles because of the excellent surface appearance of the plating layer.

As shown in FIG. 1, an electroplating apparatus used for producing a zinc-based steel sheet such as a zinc-nickel steel sheet and a pure zinc steel sheet is generally provided with a carosel cell and a horizontal cell, In the plating process on the surface, galvanized or zinc-nickel alloy is plated on a carosel cell, and zinc (Zn) plating is performed on a horizontal cell.

The carrousel electroplating process is generally divided into first and second plating units. One surface of the steel sheet is electroplated in the first plating unit, and the remaining surface of the steel sheet is electroplated in the second plating unit. Each of the plating units is provided with a plurality of electrolytic baths, and each electrolytic bath is provided with one roll set consisting of a pair of conductor rolls and a backup roll.

The horizontal cell electroplating process usually uses bath plating solution, the plating electrode is insoluble, the length is 1,500 ~ 2,000 mm, the current density is about 2000 A / dm, the current per plating cell is 50 KA, It is a facility to perform plating on the upper and lower surfaces of the possible steel plates. An example of such a horizontal cell electroplating apparatus is disclosed in Korean Patent Registration No. 10-1059209.

Embodiments of the present invention provide a zinc powder removal apparatus for removing zinc powder generated on a plating roll and a backup roll surface in a horizontal cell electroplating facility.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided an image forming apparatus including: a plating roll supporting both sides of a strip passing through a horizontal cell; a moving frame having a cleaning belt and a textile belt disposed to face the backup roll, A rotation driving device for rotating the fiber belt and the cleaning brush at the same time; a sulfuric acid solution supply part for supplying a sulfuric acid solution to the surface of the fiber belt; A zinc powder removing apparatus of a horizontal cell electric zinc plating facility including a magnetic force generating portion for adsorbing metal powder may be provided.

And further comprising a scraper contacting the surfaces of the plating roll and the backup roll to remove zinc powder remaining on the surface of the plating roll and the backup roll.

And a moving frame driving device for driving the moving frame to move between the position where the fiber belt and the cleaning brush contact with the plating roll and the backup roll, respectively, and the position where the cleaning brush moves away from the position.

Further, the movable frame driving apparatus includes at least one of an electric, electronic, pneumatic, and hydraulic cylinder mounted on the rail frame and having an axis for advancing and retreating connected to the moving frame.

The magnetic force generating unit may include at least one of a permanent magnet and an electromagnet.

The fiber belt is installed so as to wind around the first roller and the second roller which are rotatably supported by the moving frame and are spaced apart from each other. The rotation driving device includes a motor for generating power, And a power transmitting member for rotating the cleaning brush and the fiber belt at the same time.

The power transmission member includes a drive belt that is rotated by receiving power from the motor, and a power transmission unit that transmits power to the second roller that rotates the cleaning brush while receiving the power of the drive belt, And a brush belt.

The moving frame may further include a front support rod rotatably supported by the first roller and the cleaning brush so as to be vertically spaced apart from each other, a rear support frame rotatably supported by the second roller, and a rear support frame rotatably supported between the front support and the rear support And a middle pulley which is disposed to be rotatably supported by a driven pulley on which one side of the drive belt is wound, and the brush belt is rotatably supported by a plurality of pulleys coupled to respective shafts of the driven pulley, the cleaning brush, So that a rotating loop can be formed.

Embodiments of the present invention can efficiently remove the zinc powder adhered to the plating roll and backup roll surface by the rotating textile belt and the cleaning brush.

1 is a schematic view of a horizontal cell electro-galvanizing facility according to an embodiment of the present invention.
FIG. 2 is a schematic view of a zinc powder removing apparatus for removing zinc powder on a surface of a plating roll and a backup roll according to an embodiment of the present invention.
3 is an operational state diagram of a zinc powder removal apparatus according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below are provided by way of example so that those skilled in the art will be able to fully understand the spirit of the present invention. The present invention is not limited to the embodiments described below, but may be embodied in other forms. In order to clearly explain the present invention, parts not related to the description are omitted from the drawings, and the width, length, thickness, etc. of the components may be exaggerated for convenience. Like reference numerals designate like elements throughout the specification.

1, a horizontal cell electro-galvanizing system 10 according to an embodiment of the present invention includes a horizontal cell 11 in which a strip S horizontally advances, S and a back-up roll 13 which are in close contact with the upper and lower surfaces of the plating roll 12 and the backup roll 13, respectively.

The strips S pass through the inlet and the outlet formed at the front end and the rear end of the horizontal cell 11 and are supported by the back-up roll 13, Is passed between the insoluble anode electrodes (not shown) provided in the horizontal cell 11, and plating is performed on the surfaces of the electrodes by a plating solution containing zinc ions. That is, a cathode is applied to the plating roll 12 through a rectifier, and an anode is applied to the anode electrode in the horizontal cell 11 to allow electric current to flow through the strip S, so that zinc, dissolved in the plating solution, As shown in Fig. However, in the electroplating process, the zinc powder contained in the plating solution is partially adhered to the surfaces of the plating roll 12 and the backup roll 13, and the zinc powder attached to the surfaces of the plating roll 12 and the backup roll 13 The powder may be transferred to the surface of the strip S to lower the coating quality. Therefore, in the embodiment of the present invention, there is provided a zinc powder removing apparatus for removing zinc powder attached to the surfaces of the plating roll 12 and the backup roll 13.

Referring to FIG. 2, the apparatus for removing zinc powder 20 according to the embodiment of the present invention includes a plating roll 12, a fiber belt 21 for removing zinc powder attached to the surface of the backup roll 13, A rail frame 40 having a movable frame 30 on which a brush 22 is installed and a rail 41 for slidably supporting the movable frame 30; A sulfuric acid solution supply unit 60 for supplying a sulfuric acid solution to the surface of the fiber belt 21 and a sulfuric acid solution supplying unit 60 for supplying a sulfuric acid solution to the surface of the fiber belt 21 A magnetic force generating portion 70 for attracting the metal powder adhering to the surface, and a movable frame driving device 80 for driving the movable frame 30. [

The fiber belt 21 can be supported on the movable frame 30 so as to form a rotating loop and one side of the fiber belt 21 can be brought into contact with the surface of the plating roll 12 when the movable frame 30 is moved back and forth. Can be disposed facing the plating roll (12). To this end, the moving frame 30 is provided with a front support 31 on which a first roller 23 wound on one side of the fiber belt 21 is rotatably supported, 21 may be provided with a rear support table 32 to which the second roller 24 wound on the other side is rotatably supported. The intermediate frame 33 is provided on the moving frame 30 between the front support 31 and the rear support 32 so that the tension roller 25 is rotatably supported to maintain the tension of the fiber belt 21 . The fiber belt 21 can be rotatably supported on the movable frame 30 in a state in which a predetermined tension is maintained by surrounding the peripheries of the first roller 23, the second roller 24 and the tension roller 25 .

The cleaning brush 22 can be rotatably supported on the front support 31 at a position facing the back-up roll 13 so as to be in contact with the surface of the back-up roll 13 when the movable frame 30 moves forward and backward. The cleaning brush 22 may be in the form of a cylinder rotatably supported on the vertical support 31 below the first roller 23. A plurality of brushes arranged at a predetermined interval in the circumferential direction at the time of rotation, The zinc powder trapped in the gap on the surface of the back-up roll 13 can be removed by frictional contact with the surface of the backup roll 13.

On the other hand, the fiber belt 21 and the cleaning brush 22 can be rotated at the same time by driving the rotation driving device 50 and can be rotated by the moving frame driving device 80 that moves the moving frame 30 forward and backward Can be moved between a position in contact with the corresponding plating roll (12) and the backup roll (13) and a position in which it is spaced apart.

The rotation driving device 50 includes a motor 51 for generating power and a power transmitting member 90 for receiving the power of the motor 51 to simultaneously rotate the cleaning brush 22 and the fiber belt 21 . The power transmitting member 90 includes a driving belt 91 that receives power from the motor 51 and a rotating belt 91 that receives the power of the driving belt 91 and rotates the cleaning brush 22, And a brush belt 92 that transmits power to the second roller 24 that rotationally drives the second roller 24. The drive belt 91 has a drive pulley 91a and a driven pulley 91b which are rotatably supported on an intermediate support 33 below the tension roller 25, And the driving belt 91 is supported by the tensioner 91c provided on the rear support table 32 at the middle side of the driving belt 91 so that the driving belt 91 can be rotated have. That is, when the driving pulley 91a is rotated by receiving the power of the motor 51, the driven pulley 91b connected to the driving belt 91 rotates. The brush belt 92 is driven by a driven pulley 91b to rotate the cleaning brush 22 and the second roller 24 that rotatably drives the fiber belt 21 by receiving the rotational force of the driven pulley 91b, 92b, 92c coupled to respective shafts of the first roller 22 and the second roller 24 so as to form a rotation loop. The pulleys 92b and 92c supported on the brush belt 92 rotate when the brush belt 92 rotates by receiving the rotational force from the pulley 92a rotating together with the driven pulley 91b connected to the drive belt 91 The cleaning brush 22 and the second roller 24, which rotate together with the pulleys 92b and 92c, rotate. Here, the belt includes all the continuous or annular driving members such as a chain, a cable, a wire, etc., and includes both a gear and a sprocket, as well as a wheel and a roller which are not formed or formed with teeth. The connection structure of the belt and the pulley is described as an example of the power transmitting member 90 that receives the power of the motor 51 and drives the cleaning brush 22 and the fiber belt 21 to rotate simultaneously, And it is needless to say that various known means can be applied.

The magnetic force generating unit 70 includes a permanent magnet, an electromagnet, or a switch magnetic device installed on an upper portion of the surface of the fiber belt 21 to be able to turn on and off the magnetic force by adjusting the switch can do. The magnetic force generating unit 70 performs a function of adsorbing the metal powder adhering to the surface of the fiber belt 21 while rotating the fiber belt 21 to remove the metal powder from the fiber belt 21.

The movable frame driving device 80 is for moving the movable frame 30 slidably moved along the rail 41 in the forward and backward direction and includes at least one of an electric, electronic, pneumatic and hydraulic cylinder . The end of the shaft 82 of the cylinder 81 is connected to the lower side of the movable frame 30 and the movable frame 30 is slid back and forth along the rail 41 as the shaft 82 expands and contracts.

Reference numeral 75 is a scraper 75 for removing the zinc powder remaining on the plating roll 12 and the backup roll 13 without being removed by the textile belt 21 and the cleaning brush 22. [ The scraper 75 separates the zinc powder adhering to the surface by contacting the surfaces of the plating roll 12 and the back-up roll 13 while rotating them.

Hereinafter, the operation of the zinc dust removing apparatus according to the embodiment of the present invention will be described.

1, the strip S pressed between the plating roll 12 and the back-up roll 13 passes through the horizontal cell 11 by the driving of the plating roll 12, Plating operation is performed. When the zinc powder is adhered to the surfaces of the plating roll 12 and the backup roll 13 in the plating process, the movable frame driving device 80 is operated as shown in FIG. 3 to rotate the fiber belt 21 and the cleaning brush 22 move in contact with the surfaces of the plating roll 12 and the backup roll 13, respectively. Then, the rotary driving device 50 is driven to rotate the cleaning brush 22 and the fiber belt 21, and the sulfuric acid solution is sprayed onto the surface of the fiber belt 21 from the sulfuric acid solution supply part 60. The sulfuric acid solution dropped on the surface of the fiber belt 21 melts away the zinc powder present on the surface of the plating roll 23 while the fiber belt 21 and the plating roll 23 are in frictional contact with each other, Is transferred to the surface of the fiber belt (21). The metal powder adhering to the surface of the fiber belt 21 while being rotated is removed by the attraction force of the magnetic force generating unit 70 when facing the magnetic force generating unit 70. At the same time, the zinc powder caught in the surface clearance of the backup roll 13 is also removed by the rotation of the cleaning brush 22. The zinc powder remaining on the plating roll 12 and the backup roll 13 without being removed by the fiber belt 21 and the cleaning brush 22 is finally removed by the scraper 75.

The foregoing has shown and described specific embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the appended claims.

10: Electric galvanizing equipment, 11: Horizontal cell,
12: plating roll, 13: backup roll,
20: zinc powder removing device, 21: textile belt,
22: cleaning brush, 30: moving frame,
40: rail frame, 41: rail,
50: rotation drive device, 51: motor,
60: sulfuric acid solution supply unit, 70: magnetic force generating unit,
75: scraper, 80: moving frame driving device,
90: power transmitting member, 91: driving belt,
92: Brush belt.

Claims (8)

A moving frame having a plating roll for supporting both sides of the strip passing through the horizontal cell and a cleaning belt and a textile belt arranged to face the backup roll, respectively;
A rail frame having a rail for slidably supporting the moving frame;
A rotation driving device for simultaneously rotating the fiber belt and the cleaning brush;
A sulfuric acid solution supply part for supplying a sulfuric acid solution to the surface of the fiber belt;
A magnetic force generating unit for absorbing the metal powder adhering to the surface of the fiber belt; And
And a movable frame driving device for driving the movable frame to move between the position where the textile belt and the cleaning brush contact with the plating roll and the backup roll, Powder removal device. The method according to claim 1,
Further comprising a scraper contacting the surfaces of the plating roll and the backup roll to remove zinc powder remaining on the surface of the plating roll and the backup roll, respectively. delete The method according to claim 1,
Wherein the movable frame driving device includes at least one of an electric, electronic, pneumatic, and hydraulic cylinders mounted on the rail frame, the axis of which is connected to the moving frame. The method according to claim 1,
Wherein the magnetic force generating unit includes at least one of a permanent magnet and an electromagnet. A moving frame having a plating roll for supporting both sides of the strip passing through the horizontal cell and a cleaning belt and a textile belt arranged to face the backup roll, respectively;
A rail frame having a rail for slidably supporting the moving frame;
A rotation driving device for simultaneously rotating the fiber belt and the cleaning brush;
A sulfuric acid solution supply part for supplying a sulfuric acid solution to the surface of the fiber belt; And
And a magnetic force generating part for absorbing the metal powder adhering to the surface of the fiber belt,
Wherein the fiber belt is installed to wind around a first roller and a second roller that are rotatably supported on the moving frame and are spaced apart from each other,
Wherein the rotation driving device includes a motor for generating power and a power transmitting member for receiving the power of the motor and rotating the cleaning brush and the fiber belt at the same time. The method according to claim 6,
Wherein the power transmitting member includes a drive belt that receives power from the motor and that is rotated and a power transmission unit that transmits power to the second roller that rotates the cleaning brush while receiving the power of the drive belt, A zinc powder removal apparatus for a horizontal cell electrogalvanizing plant including a brush belt. 8. The method of claim 7,
Wherein the moving frame includes a front support rod, the first roller and the cleaning brush being rotatably supported by the upper and lower rotatable members, a rear support frame rotatably supported by the second roller, and a rear support frame disposed between the front support and the rear support And an intermediate support which is rotatably supported by a driven pulley on which one side of the drive belt is wound,
Wherein the brush belt surrounds a plurality of pulleys coupled to respective shafts of the driven pulley, the cleaning brush, and the second roller to form a rotating loop.

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