KR100723190B1 - Apparatus for removing scales from liquid in a plating cell - Google Patents

Abstract

Provided is a descaling apparatus in a plating cell solution which can keep the electrolyte always clean by separating and removing the scale contained in the electrolyte.

The present invention comprises a cleaning part disposed on each side of the conductive roll of the plating cell, and arranged to rotate the plurality of brush rolls toward the conductive roll side; The lower end is fixed to the shaft of the conductive roll, respectively, and has a plurality of arms each disposed on both sides of the conductive roll while maintaining a gap in the circumferential direction of the conductive roll axis, the arm is provided with an electromagnet to magnetically iron iron in the electrolyte An arm portion which is attached and collected and removed from the electromagnet by the brush roll; And a power supply unit supplying power to the electromagnet of the arm unit to generate a magnetic force. The scale removing device in the plating cell solution including magnetically attaching and removing the scale in the electrolyte solution during the rotation of the conductive roll.

According to the present invention, it is possible to keep the electrolyte clean at all times, thereby preventing defects in which iron (Fe) components are oxidized in the past, resulting in solution contamination of the plated product, greatly improving the quality of the plated product, and preventing safety accidents of workers. It is.

Plating Cell, Conduction Roll, Electromagnet, Scale, Descaler, Electrolyte

Description

Apparatus for Removing Scales From Liquid in A Plating Cell}

1 is a cross-sectional view showing a process of plating a strip through a plating cell provided in a plating process of an ironworks.

2 is a cross-sectional view showing a structure in which the descaling device in the plating cell solution according to the present invention is mounted on both sides of the conductive roll.

3 is an enlarged cross-sectional view of a descaling device in a plating cell solution according to the present invention.

Figure 4 is a partial cutaway side view showing the material portion provided in the descaling device in the plating cell solution according to the present invention.

5 is an exploded perspective view showing the arm portion provided in the descaling device in the plating cell solution according to the present invention.

6 is a side view showing the electrode plate of the power supply unit provided in the descaling device in the plating cell solution according to the present invention.

       <Description of the symbols for the main parts of the drawings>

1 ..... plating cell 3 .... electrolyte

5 ..... conductive roll 7 .... strip

10 .... cathode bridge 12 .... anode anode

14 .... scale

100. Descaling device in plating cell solution according to the present invention

110 ... Cleaning part 114 .... Bearing block

116 ... Base (116) 118 .... Bracket

120 ... body 122a, 122b ... bevel gear

124 ... center axis 126 ... bearing

128 ... bearing cover 130 ... support plate

132 ... solution outlet 134 ... filter

150 ... arm part 155 .... arm

160 ... electromagnet 164 .... square hole

166 ... arm fixing plate 170 ... electrode brush

172 ... wire 180 .... power supply

182 ... Electrode plate 184a .. Conducting part

184b .. Non-conducting parts 186a, 186b ... ring terminal

190 .... elastic spring

The present invention relates to a device for preventing the oxidation of the electrolyte in the plating cell passing through the strip in the manufacturing process of the plated steel sheet to perform the plating operation, more specifically, the electrolyte solution is continuously repeated according to the rotation of the conductive roll located in the plating cell The present invention relates to a descaling device in a plating cell solution capable of keeping the electrolyte always clean by separating and removing the scale contained therein.

In general, in the steel plate manufacturing process of the steel mill, the plating operation of the strip surface is performed in the plating cell. As shown in FIG. 1, the plating cell 1 contains the electrolyte solution 3 and the conductive roll 5 is formed therein. ) Is locked and rotated, and the strip 7 adheres to the surface of the conductive roll 5 and rotates while the anode anode 12 is seated at a predetermined interval on the cathode bridge 10 in the plating cell 1. When a current flows into the conductive roll 5, Zn ions in the electrolyte solution 3 are electrically coupled to the strip 7, and plating is performed on the surface of the strip 7.

However, such a conventional plating cell 1 contains an electrolyte solution 3 therein, and this electrolyte solution is usually managed by PH: 2.8 to 4.8, which is a hydrochloric acid (Hcl) component, so that the strip passes through the plating cell 1. Iron powder (Fe) is melt | dissolved from (7) and remains as the scale (14).

Therefore, as the plating cell 1 is subjected to the electroplating operation over time, the iron (Fe) component oxidized and dissolved in the electrolyte solution 3 causes contamination of the plating layer of the strip 7 and thus plating. It had a problem of degrading the quality of the product.

Therefore, in order to remove the scale 14, the worker collects the scale 14 while the conductive roll 5 is rotated adjacent to the plating cell 1, so that the risk of a safety accident is very high. .

The present invention is to solve the conventional problems as described above, the object is to keep the electrolyte in the plating cell clean by effectively separating and removing the iron (Fe) component contained in the electrolyte while rotating with the conductive roll for the plating operation It is possible to provide a descaling device in a plating cell solution to prevent the solution contamination of the plated product by the oxidation of the iron (Fe) component, thereby improving the quality and work productivity of the plated product.

And the present invention is to provide a scale removal device in the plating cell solution improved to prevent the safety accident of the operator because the scale is automatically separated and separated from the electrolyte with the rotation of the conductive roll.

In order to achieve the above object, the present invention, in the device for preventing the oxidation of the electrolyte in the plating cell to perform the plating operation of the strip,

A cleaning part disposed on both sides of the conductive roll of the plating cell and disposed so that a plurality of brush rolls are rotatable toward the conductive roll side;

The lower end is fixed to the shaft of the conductive roll, respectively, and has a plurality of arms each disposed on both sides of the conductive roll while maintaining a gap in the circumferential direction of the conductive roll axis, the arm is provided with an electromagnet to magnetically iron iron in the electrolyte An arm portion which is attached and collected and removed from the electromagnet by the brush roll; And

It provides a descaling device in the plating cell solution, characterized in that by the magnetic force to remove the scale in the electrolytic solution during the rotation of the conductive roll, including a power supply for supplying power to the electromagnet of the arm portion to generate a magnetic force.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The descaling device 100 in the plating cell solution according to the present invention is generally plated in FIG. 2 to prevent oxidation of the electrolyte solution 3 in the plating cell 1 which performs the plating operation of the strip 7. Each of the conductive rolls 5 of the cell 1 is disposed on both sides, and the brush rolls 112 are disposed to be rotatable toward the conductive roll 5 side.

The cleaning part 110 is a fan type in which the bracket 118 is fixed by a fixing bolt 118a to a base 116 on which a bearing block 114 for supporting the conductive roll 5 is rotatably fixed. It has a body 120 of the type.

The body 120 has a bracket 118 connected to the base 116 through a fixing bolt 118a, the body 120 has a fan-shaped side structure as shown in Figure 4, the upper On the side, a central shaft 124 having a plurality of brush rolls 112 and a bevel gear 122a is mounted to be rotatable through the bearing 126, on which a bearing cover 128 is mounted.

In addition, the support plate 130 is installed on the lower portion of the brush roll 112 and a plurality of solution discharge ports 132 are formed, and the filter 134 is installed thereon.

And the present invention has an arm portion 150, the lower end is fixed to the shaft (5a) of the conductive roll 5, respectively, the arm portion 150 is spaced in the circumferential direction of the conductive roll shaft (5a) While equipped with a plurality of arms 155 disposed on both sides of the conductive roll 5, the arm 155 is provided with an electromagnet 160 to collect and collect iron in the electrolytic solution 3 by magnetic force, the brush roll It removes from the electromagnet 160 by 112. As shown in FIG.

As shown in the exploded view in FIG. 5, the arm part 150 fits the arm fixing plate 166 into the plurality of square holes 164 of the conductive roll shaft 5a, and the arm 155 is attached to the arm fixing plate ( 166 and the square hole 164 of the conductive roll shaft 5a are fixed with a plurality of arm fixing bolts 168.

A hole 155a having a predetermined size is formed at one side of the lower side of the arm 155, and an electrode brush 170 and an electric wire 172 are fitted thereto and connected to the upper side of the arm 155. The gear 122b is attached to the fixing bolt 124a.

In addition, the arm 155 is disposed under the bevel gear (122b) consisting of the electromagnet 160 and the electromagnet coil 162, which is through the wire 172 to the power supply unit 180 to be described later The arm 155 is connected to each other, and each of the arms 155 is equipped with a ring-shaped bevel gear 122b to connect the tip thereof, as shown in Figure 6, the ring-shaped bevel gear 122b of the cleaning unit 110 It is configured to gear to bevel gear 122a.

In addition, the present invention includes a power supply unit 180 for supplying power to the electromagnet 160 of the arm unit 150 to generate a magnetic force, the power supply unit 180 is the lower portion of the conductive roll shaft (5a) Towards the electrode plate 182 is formed in a circular shape fixed to the body 120, the electrode plate 182 has a conductive portion 184a and a non-conductive portion 184b as shown in FIG.

Ring-shaped terminals 186a and 186b are respectively disposed in the conductive part 184a to supply power to the positive electrode and the negative electrode, and there are no power terminals in the non-conductive part 184b.

The non-conductive part 184b is disposed toward the portion where the brush rolls 112 of the cleaning part 110 are formed, and a section in which the non-conductive part 184b starts is shown in FIG. It is an intermediate point where the mouth brush roll and the center brush roll of the part 110 are located, and the point where the non-conductive part 184b ends is a point passing through the exit brush roll of the cleaning part 110 and getting into the electrolyte. .

In addition, the ring-shaped terminals 186a and 186b of the conductive part 184a are disposed on the side of the arm part 150 to have positive and negative electrode brushes 170 that are elastically supported through elastic springs 190, respectively. The brushes 170 are connected to the electromagnet coil 162 of the arm part 150 through an electric wire 172, so that the brushes 170 are fixed when the brushes 170 are positioned on the conductive part 184a side. The arm 155 is the electromagnet 160 is a magnetic force, the arm 155 is rotated toward the non-conductive portion 184b side when the brush 170 is disposed on the non-conductive portion 184b side, the arm ( 155, the power supplied to the electromagnet 160 is cut off, and the electromagnet 160 loses its magnetic force.

Therefore, the power supply unit 180 has a scale 14 attached to the electromagnet 160 due to the unique structure of the electrode plate 182 having the non-conductive unit 184b and the conductive unit 184a. Except for some sections cleaned by the brush rolls 112 of 110, the electromagnet 160 has a magnetic force, especially when passing through the electrolyte (3) will always have a magnetic force.

Referring to the operation of the present invention made of such a configuration as follows.

The descaling device 100 in the plating cell solution according to the present invention operates together with the conductive roll 5 in the state where the plating solution 1 is filled with the electrolyte solution 3. Since the electrolytic solution 3 in the plating cell 1 is managed with a hydrochloric acid (Hcl) component PH: 2.8 to 4.8, iron (Fe) or the like is finely dissolved in the strip 7 passing through the plating cell 1 to form a plating electrolytic solution. It remains as the scale 14 in (3).

In the plating cell 1, the iron (Fe) component is oxidized as time passes through the electroplating operation to cause contamination of the strip 7, and thus the present invention effectively removes the scale 14.

When the arms 155 of the arm portion 150 disposed on both sides of the conductive roll 5 pass through the electrolyte solution 3 while rotating together by the rotation of the conductive roll 5, the scale 14 Iron constituting the adhering to the electromagnet 160. In this state, the arm 155 is gradually rotated further from the electrolyte solution 3, and the scale 14 is attached to the electromagnet 160, which passes through the mouth brush roll 112 of the cleaning part 110. Passing the non-conductive section 184b provided on the electrode plate 182 of the instantaneous power supply unit 180, the electromagnet 160 is released from the magnetic force function.

Therefore, the iron (Fe) component attached to the electromagnet 160 is dropped by the brush roll 112 of the cleaning unit 110 and collected on the filter 134, the electrolyte solution separated from the collected iron (Fe) is a solution It passes through the outlet 132 and flows inside the body 120 of the cleaning part 110 to return to the plating cell 1.

In the above process, the brush rolls 112 provided in the cleaning unit 110 are ring-shaped bevel gears in which bevel gears 122a provided on the central shaft 124 connect the upper end of the arm 155 of the arm unit 150. Since the gears are held in engagement with the gears 122b), the brush rolls 112 are idle with each other during the rotation of the conductive roll 5.

Therefore, the scales 14 attached to the electromagnet 160 of the arm part 150 may be more effectively separated.

As described above, according to the present invention, the iron (Fe) component is oxidized and plated by conventionally removing the iron (Fe) of the scale contained in the electrolyte in the plating cell during the manufacturing process of the plated steel sheet to always keep the electrolyte clean. It is possible to prevent defects caused by solution contamination of products and to greatly improve the quality of plating products.

And the present invention has an improved effect that can prevent the safety accident of the operator in advance because the scale is separated automatically from the electrolyte with the rotation of the conductive roll.

While the invention has been shown and described with respect to specific embodiments thereof, it has been described by way of example only to illustrate the invention, and is not intended to limit the invention to this particular structure. Those skilled in the art will appreciate that various modifications and changes of the present invention can be made without departing from the spirit and scope of the invention as set forth in the claims below. Nevertheless, it will be clearly understood that all such modifications and variations are included within the scope of the present invention.

Claims (8)

An apparatus for preventing oxidation of an electrolyte in a plating cell in which plating of a strip is performed, A cleaning part disposed on both sides of the conductive roll of the plating cell and disposed so that a plurality of brush rolls are rotatable toward the conductive roll side; The lower end is fixed to the shaft of the conductive roll, respectively, and has a plurality of arms each disposed on both sides of the conductive roll while maintaining a gap in the circumferential direction of the conductive roll axis, the arm is provided with an electromagnet to magnetically iron iron in the electrolyte An arm portion which is attached and collected and removed from the electromagnet by the brush roll; And And a power supply unit configured to generate magnetic force by supplying power to the electromagnet of the arm unit. According to claim 1, wherein the cleaning part has a body in which a bracket is fixed by a fixing bolt to the base (base) to which the bearing block for supporting the conductive roll rotatably fixed, the body has a plurality of brush rolls on its upper side And a central shaft having a bevel gear rotatably mounted through the bearing, and a bearing cover installed thereon. The descaling device of the plating cell solution according to claim 2, wherein the cleaning part has a support plate installed at a lower portion of the brush roll, a plurality of solution discharge ports are formed, and a filter is installed thereon. The descaling device in a plating cell solution according to claim 1, wherein the arm portion is configured to be beveled with the bevel gear on the upper portion of the arm and to be coupled to the bevel gear of the cleaning portion. The descaling device of the plating cell solution according to claim 1, wherein the power supply unit is fixed to the body by forming an electrode plate in a circular shape toward the bottom of the conductive roll shaft, and the electrode plate includes a conductive portion and a non-conductive portion. . 6. The descaling device in a plating cell solution according to claim 5, wherein the conductive portion is provided with ring-shaped terminals for supplying power to the positive and negative poles, respectively, and the non-conductive portion is formed without any power terminals. 7. The method of claim 6, wherein the conductive portion has anode and cathode brushes on which ring-shaped terminals are elastically supported through elastic springs on the side of the arm portion, respectively, wherein the brushes are electrically connected to the electromagnet coil of the arm portion via a wire. A descaling device in a plating cell solution. The non-conductive part is a section starting from the intermediate point where the mouth brush roll and the center brush roll of the cleaning part is located, and the point where the non-conduction part ends is passed through the exit brush roll of the cleaning part and into the electrolyte solution. And descaling device in the plating cell solution, characterized in that it is a forward point.

Images