KR101448988B1 - Apparatus for removing slag - Google Patents

Abstract

An invention for a slag remover is disclosed. The disclosed invention includes: a removal unit that is positionably adjustable to a removal position in contact with impurities suspended in a container, the removal unit generating a transfer force for discharging impurities out of the container at a removal position; And a position adjustment unit for adjusting the position of the removal unit so that the removal unit is located at the removal position.
According to the present invention, it is possible to perform the impurity removing operation simply and efficiently without complicated and complicated manipulation operations, and it is possible to carry out the impurity removing operation easily and efficiently with the flow that induces the discharge of the impurities to the linear transfer force formed by the first removing unit and the second removing unit So that a larger transfer force is generated, whereby the dischargeability of the impurities can be achieved more quickly and effectively.

Description

[0001] APPARATUS FOR REMOVING SLAG [0002]

The present invention relates to a slag removing apparatus, and more particularly, to a slag removing apparatus for removing slag suspended in a molten iron.

In general, molten iron is floated with slag containing various impurities. Such slag is a main factor that deteriorates the purity and quality of steel. Therefore, in order to obtain a high-quality steel material, it is necessary to remove the slag, and in order to more effectively remove the slag, it is common to remove the slag in the initial charging process.

Meanwhile, a method for removing floating slag includes a method using a plug made of clay or wood, a method using a slag stopper (gas injection type), and a method using a scraper. Recently, a method of removing a slag There is a tendency that the method of use is widely used.

The background art of the present invention is disclosed in Korean Patent Registration No. 10-0342704 (registered on Jul. 11, 2002, entitled "Slag removing device for converter").

An object of the present invention is to provide a slag removing device capable of effectively removing slag suspended in a molten iron.

A slag removing apparatus according to the present invention comprises: a removal unit provided to be adjustable in position to a removal position in contact with impurities suspended in a container, the removal unit generating a transfer force for discharging impurities to the outside of the container at the removal position; And a position adjustment unit for adjusting the position of the removal unit so that the removal unit is located at the removal position.

The removal unit may further include: a first driving unit for generating a rotational force; And a first removing unit that receives a rotational force from the first driving unit and generates a transfer force in a linear direction at the removed position.

The removing unit may further include a second removing unit interlocked with the first removing unit to generate a linear force in the removing position, The second removing unit may be disposed so as to be spaced apart from the first removing unit such that a conveying space is formed between the first removing unit and the second removing unit to induce a flow in which impurities are discharged by a linear transfer force .

At least one of the first removing unit and the second removing unit may include a rotating shaft member rotated by receiving a rotating force from the first driving unit; And a screw member rotated in association with rotation of the rotating shaft member and moving the impurities in the linear direction at the removed position and discharging the impurities to the outside of the container.

Further, the rotating shaft member is formed to have a length extending along a linear direction and is rotated about its longitudinal axis; It is preferable that the screw member is formed in a spiral shape on the rotating shaft member and extends along the longitudinal direction of the rotating shaft member.

The position adjustment unit may further include: a body portion; And a first position adjuster installed on the main body to support the removal unit in a vertically adjustable position.

The first position adjusting unit may include: a rotating member extending vertically and rotatably installed in the main body; A second driving unit for generating a rotational force for rotating the rotary member; And a position adjusting member for supporting the removing unit and moving the removing unit in a vertical direction interlocked with the rotation of the rotating member.

The first position adjustment unit may further include a position sensing unit for sensing a position of the removal unit in a vertical direction.

The position adjusting unit may further include a second position adjusting unit movably supporting the main body to adjust the position of the removing unit in the fore and aft direction.

The second position adjusting unit may include: a moving wheel unit rotatably installed in the main body unit; And a rail portion extending in the front-rear direction and guiding movement of the moving wheel portion in the forward and backward directions.

According to the slag removing apparatus of the present invention, it is possible to perform the impurity removing operation easily and efficiently without complicated and complicated operation, and it is possible to perform the removal of impurities in the linear direction feed force formed by the first removing unit and the second removing unit So that a larger conveying force is generated, so that the impurities can be discharged more quickly and effectively.

1 is a side view showing a structure of a slag removing apparatus according to an embodiment of the present invention.
FIG. 2 is a plan view showing the structure of the slag removing apparatus shown in FIG. 1. FIG.
FIG. 3 is a rear view showing a structure of the slag removing device shown in FIG. 1. FIG.
FIG. 4 is a view showing a slag removing operation of the slag removing apparatus shown in FIG. 1. FIG.
5 is a cross-sectional view taken along the line V-V in Fig.

Hereinafter, an embodiment of a slag removing apparatus according to the present invention will be described with reference to the accompanying drawings. For convenience of explanation, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a side view showing a structure of a slag removing device according to an embodiment of the present invention, FIG. 2 is a plan view showing the structure of the slag removing device shown in FIG. 1, FIG. 2 is a rear view showing the structure of FIG.

Referring to FIGS. 1 to 3, a slag removing apparatus 300 according to an embodiment of the present invention includes a removal unit 100 and a position adjustment unit 200.

The removal unit 100 is provided to be adjustable in a removal position A (see FIG. 4) in contact with the impurities suspended in the container 10, and the impurities are removed from the container 10 (see FIG. 4) To the outside. The slag transfer unit 100 includes a first driving unit 110, a first removing unit 120, and a second removing unit 130.

The first driving unit 110 is provided to generate rotational force. For example, the first driving unit 110 includes a driving motor for generating a rotational force, and the rotational force of the driving motor is transmitted to the first removing unit 120 and the second removing unit 130 through the power transmitting unit 115 do.

The power transmission unit 115 transmits the rotational force of the first driving unit 110 to the first removing unit 120 and the second removing unit 130. The first removing unit 120 and the second removing unit 130, It is exemplified that the rotational force of the first driving part 110 is transmitted so that the first driving part 130 rotates in different directions. The power transmitting portion 115 may be formed by a combination of a plurality of gears that connect the first driving portion 110 and the first and second removing portions 120 and 130, respectively.

The first removing unit 120 receives the rotational force from the first driving unit 110 and generates a transfer force in a linear direction at the removal position A. The second removal unit 130 generates a transfer force in a linear direction at the removal position A in conjunction with the first removal unit 120. In this embodiment, the impurity is illustrated as being slag suspended in the molten iron contained in the vessel 10, the removal position A being such that the first and second removal units 120 and 130 are in contact with the impurities suspended in the vessel 10 And is a position where impurities can be removed.

According to the present embodiment, the second removing unit 130 is rotatably coupled to the first removing unit 120 by receiving a rotational force together with the first removing unit 120 via the power transmitting unit 115 have. The second removing unit 130 is disposed to be spaced apart from the first removing unit 120 such that a transfer space S is formed between the second removing unit 130 and the first removing unit 120. The transfer space S formed between the first removing unit 120 and the second removing unit 130 is configured such that the impurities are discharged by the linear transfer force generated by the first and second removing units 120 and 130 The flow is induced.

At least one of the first removing unit 120 and the second removing unit 130 includes a rotating shaft member 121 and a screw member 125. In this embodiment, both the first removing unit 120 and the second removing unit 130 are exemplified as including the rotating shaft members 121 and 131 and the screw members 125 and 135.

The rotating shaft members 121 and 131 are rotated by receiving the rotational force from the first driving unit 110. These rotating shaft members 121 and 131 are formed to have a length extending along the linear direction, and are rotated around the longitudinal axis thereof. Each of the rotating shaft members 121 and 131 provided in each of the removal parts 120 and 130 receives rotational force from the first driving part 110 via the power transmitting part 115 and is rotated in opposite directions.

The screw members 125 and 135 are formed in a spiral shape on the outer peripheral surface of the rotating shaft members 121 and 131 and extend along the longitudinal direction of the rotating shaft members 121 and 131. Each of the screw members 125 and 135 provided in each of the removal parts 120 and 130 has a shape forming a spiral in the opposite direction to each other. The screw members 125 and 135 are connected to the rotation shaft members 121 and 131 So that the impurities are discharged to the outside of the container 10.

That is, the screw members 125 and 135 are brought into contact with the impurities contained in the container 10 in a state of being positioned at the removal position A, and the rotation of the rotation axis members 121 and 131 And generates a feed force in a linear direction. Accordingly, the impurities suspended on the charcoal accommodated in the container 10 are linearly moved by the feed force in the linear direction, and are discharged to the outside of the container 10. Preferably, the rotary shaft members 121 and 131 and the screw members 125 and 135 are coated or coated with a mold release agent so that the surface of the rotary shaft members 121 and 131 and the screw members 125 and 135 are prevented from being adhered to the surface thereof.

The position adjustment unit 200 adjusts the position of the removal unit 100 so that the removal unit 100 is located at the removal position A. [ The position adjusting unit 200 includes a main body 210, a first position adjusting unit 220, a position detecting unit 230 and a second position adjusting unit 240.

The main body 210 forms a skeleton of the position adjusting unit 200. The main body 210 includes a first position adjusting unit 220, a position detecting unit 230 and a second position adjusting unit 240, Respectively.

The first position adjusting unit 220 is installed in the main body 210 and supports the removing unit 100 in a vertically adjustable position. The first position adjusting unit 220 includes a rotating member 221, a second driving unit 223, and a position adjusting member 225.

The rotation member 221 is provided to extend in the vertical direction and is rotatably installed in the main body 210. In this embodiment, the rotary member 221 is installed to be rotatable about a longitudinal axis disposed in the up-and-down direction, and a thread is formed on the outer peripheral surface of the rotary member 221.

The second driving unit 223 generates a rotational force to rotate the rotating member 221. The second driving unit 223 may include a driving motor that generates a rotational force in the same manner as the first driving unit 110.

The position adjusting member 225 supports the removing unit 100 and moves the removing unit 100 in the vertical direction in conjunction with the rotation of the rotating member 221. In this embodiment, the position regulating member 225 is illustrated as being of the form including the rotating portion recombining portion 226, the rotating shaft member engaging portion 227, and the connecting portion 228.

The rotation unit recombination unit 226 is coupled to the rotation member 221 and is movably coupled along the longitudinal direction of the rotation member 221 in the vertical direction. In the present embodiment, the inner circumferential surface of the rotating portion recombination portion 226 is exemplified by a thread formed on the outer circumferential surface of the rotating member 221 and meshing with a thread. The rotation unit recombination unit 226 can be moved in the vertical direction in association with the rotation of the rotation member 221.

The rotating shaft member engaging portion 227 is coupled to the rotating shaft members 121 and 131 to rotatably support the rotating shaft members 121 and 131, respectively. For example, the rotating shaft member engaging portion 227 may be configured to be rotatably coupled to the rotating shaft members 121 and 131 through bearings (not shown) to support the rotating shaft members 121 and 131, respectively.

The connection part 228 connects the rotation part recombination part 226 and the rotation axis member coupling part 227. The connecting portion 228 supports the rotating shaft member engaging portion 227 on the rotating portion reengaging portion 226 so that the rotating shaft member engaging portion 227 can move in the up and down direction of the rotating portion re- The rotation unit re-coupling unit 226 and the rotation shaft member coupling unit 227 are connected to each other so as to be movable.

Meanwhile, the position adjusting member 225 of the present embodiment may further include the power transmitting member engaging portion 229. The power transmitting member engaging portion 229 is engaged with the rotating member 221 in the same manner as the rotating member recombining portion 226 so as to be movable up and down along the longitudinal direction of the rotating member 221. The power transmitting member engaging portion 229 may be moved in the vertical direction by interlocking with the rotation of the rotating member 221 by forming a thread on the inner circumferential surface of the power transmitting member engaging portion 229 to engage with a thread formed on the outer circumferential surface of the rotating member 221.

The first position adjusting unit 220 having the position adjusting member 225 as described above can support the rotation axis members 121 and 131 in the vertical direction by moving the position adjusting member 225 in the vertical direction, The unit 100 can be supported on the main body 210 in a vertically adjustable position.

The position sensing unit 230 senses the position of the removal unit 100 in the vertical direction. As an example, the position sensing unit 230 may be configured to include an upper limit switch 231 and a lower limit switch 235. The upper limit switch 231 is located at the upper limit position and the lower limit switch 235 is located at the lower limit position, .

The upper limit switch 231 senses the upper limit switch 231 when the removal unit 100 moves in the upward direction and the lower limit switch 235 detects the lower limit switch 235 when the removal unit 100 ) Reaches the lower limit position.

The upper limit and lower limit switch 231 may be in the form of having a contact sensor for detecting the position of the removal unit 100 through contact with the removal unit 100 or the position adjustment member 225, 100 or a proximity sensor that senses the proximity of the position adjustment member 225.

The position sensing unit 230 detects the position of the removal unit 100 when the removal unit 100 is moved in the upward direction or the downward direction beyond the limit range and outputs information about the removal unit 100 to the removal unit 100 or the operation of the position adjustment unit 200 (Not shown) for controlling the transfer unit 100 or the position adjustment unit 200 to stop the operation of the transfer unit 100 or the position adjustment unit 200 through the control unit, or to send it to the operator via a separate alarm device Be warned.

The second position adjuster 240 movably supports the main body 210 so that the front-rear direction position of the removal unit 100 is adjusted. The second position adjuster 240 includes a moving wheel portion 241 and a rail portion 245.

The moving wheel portion 241 is rotatably installed at a lower portion of the main body portion 210, thereby movably supporting the main body portion 210. The rail portion 245 is extended in the front-rear direction to guide the movement of the moving wheel portion 241 in the front-rear direction.

In this embodiment, the anteroposterior direction is defined as the direction in which the removal unit 100 approaches the container 10 or away from the container 10. [ The rail part 245 forms a movement path in the forward and backward directions in which the conveying unit 100 approaches the container 10 or moves away from the container 10. The moving wheel portion 241 is movably mounted on the rail portion 245 and is moved in the front and rear direction along the rail portion 245 and includes a main body portion 210 and a removal unit 100 installed on the main body portion 210, Backward direction.

Meanwhile, the position adjustment unit 200 may further include a container sensing unit 250. For example, the container sensing unit 250 may be configured to include a camera capable of photographing the side of the opening 11 of the container 10. The container sensing unit 250 senses the shape and size of the opening 11 of the container 10, the inclination of the container 10, the shape of the charcoal, and the shape of the charcoal, And provides the image.

The container sensing unit 250 may detect the position of the removal position A accurately by the operator operating the control device or the position adjustment unit 200 and may thus remove the removal unit 100 from the removal position A And provides information necessary for accurate movement.

FIG. 4 is a view showing a slag removing operation of the slag removing apparatus shown in FIG. 1, and FIG. 5 is a sectional view taken along the line V-V of FIG.

Hereinafter, the operation and effect of the slag removing apparatus according to the present embodiment will be described with reference to FIGS. 4 and 5. FIG.

4 and 5, in order to remove the impurities contained in the charcoal contained in the container 10, the container 10 containing the charcoal is first tilted at an appropriate angle. At this time, the container 10 is preferably tilted at a maximum angle such that the molten iron contained in the container 10 does not flow out through the opening 11 to the outside of the container 10.

When the container 10 is tilted as described above and the opening 11 of the container 10 faces the slag removing device 300, the second position adjuster 240 is operated to move the container 10 in the forward direction, that is, .

At this time, the operation of the second position adjusting unit 240 may be controlled automatically by a control device (not shown) or may be controlled by an operator's operation. The operation of the second position adjusting unit 240 is controlled by controlling the shape and size of the opening 11 of the container 10 to be delivered through the container sensing unit 250 and the information about the degree of inclination of the container 10 . ≪ / RTI >

At the same time, the first position adjusting unit 220 is operated to adjust the vertical position of the removing unit 100. Specifically, the vertical position adjustment of the removal unit 100 may be performed by moving the position adjusting member 225 in an upward direction or a downward direction through an operation control of the second driving unit 223.

At this time, the operation of the first position adjusting unit 220 may be automatically controlled by the control device or may be controlled by an operator's operation. The operation of the first position adjusting unit 220 may be controlled by controlling the shape and size of the opening 11 of the container 10 to be delivered through the container sensing unit 250 and the inclination of the container 10, Shape and shape of the impurities suspended in the molten iron, and the like.

In addition, the vertical position adjustment of the removal unit 100 through the first position adjustment unit 220 is detected by the position sensing unit 230 (see FIG. 1). The position sensing unit 230 senses the movement of the removal unit 100 in the upper direction or the lower direction beyond the limit range and outputs information about the removal unit 100 to the removal unit 100 or the operation of the position adjustment unit 200 (Not shown), thereby causing the control device to stop the operation of the transfer unit 100 or the position adjustment unit 200 or alert the operator through a separate alarm device (not shown) .

When the removal unit 100 is located at the removal position A through the operation control of the first and second position adjustment units 220 and 240 as described above, So that the removal unit 100 discharges the impurities out of the container 10 at the removal position A. [

Power for operating the removal unit 100 is generated by the first drive unit 110. [ The rotational force generated by the first driving unit 110 rotates the first removing unit 120 and the second removing unit 130 and the first removing unit 120 and the second removing unit 130, Generates a transfer force in the linear direction at the removal position A.

Specifically, the first removing unit 120 and the second removing unit 130 remove impurities from the removing position A in a linear direction by using a linear transfer force generated by the rotation of the screw members 125 and 135 And discharged to the outside of the container 10.

The slag removing unit 100 having the first removing unit 120 and the second removing unit 130 as described above can rotate the screw members 125 and 135 while the position thereof is fixed to the removing position A The impurities can be discharged to the outside of the container 10 only.

Such a slag removal unit 100 continues to perform the removal of impurities at the removal position A without continuous addition operation once the position adjustment is completed and the operation is started so that the position is located at the removal position A .

Therefore, the slag removing apparatus 300 of the present embodiment can easily and efficiently perform the impurity removing operation without complicated and difficult operation operations.

The first removing unit 120 and the second removing unit 130 are spaced apart from each other such that a transfer space S is formed between the first removing unit 120 and the second removing unit 130. In the transfer space S formed between the first removing unit 120 and the second removing unit 130, the impurities are discharged by the transferring force in the linear direction generated by the first and second removing units 120 and 130 Flow is induced.

The flow formed in the transfer space S as described above is a flow formed by the flow of inducing the discharge of the impurities to the linear transfer force formed by the first removal unit 120 and the second removal unit 130 So that a larger transfer force is generated, so that the discharge of impurities can be performed more quickly and effectively.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the true scope of protection of the present invention should be defined by the following claims.

100: removing unit 110: first driving unit
120: first removing unit 121, 131:
125, 135: screw member 130:
200: position adjusting unit 210:
220: first position adjusting part 221: rotating member
223: second driving part 225: position adjusting member
230: position detecting unit 240: second position adjusting unit
241: moving wheel part 245:
250: container detecting unit 300: slag removing device

Claims (10)

A removal unit provided to be adjustable in position to a removal position in contact with impurities suspended in the container, the removal unit generating a transfer force for discharging impurities to the outside of the container at the removal position; And
And a position adjustment unit for adjusting the position of the removal unit so that the removal unit is located at the removal position,
Wherein the removal unit comprises:
A first driving unit for generating a rotational force; And
And a first removing unit that receives a rotational force from the first driving unit and generates a transfer force in a linear direction at the removed position.
delete The method according to claim 1,
The removing unit further includes a second removing unit that is linked to the first removing unit and generates a transfer force in a linear direction at the removing position;
The second removing unit may be disposed so as to be spaced apart from the first removing unit such that a conveying space is formed between the first removing unit and the second removing unit to induce a flow in which impurities are discharged by a linear transfer force Wherein the slag removing device is a slag removing device.
4. The apparatus according to claim 3, wherein at least one of the first removing unit and the second removing unit comprises:
A rotating shaft member rotated by receiving a rotating force from the first driving unit; And
And a screw member rotated in association with rotation of the rotating shaft member and moving impurities in a linear direction at the removed position and discharging the impurities to the outside of the container.
5. The method of claim 4,
The rotating shaft member is formed to have a length extending along a linear direction and is rotated about its longitudinal axis;
Wherein the screw member is formed in a spiral shape on the rotating shaft member and extends along the longitudinal direction of the rotating shaft member.
6. The apparatus according to any one of claims 1 to 5,
A body portion; And
And a first position adjuster installed at the main body to support the removal unit in a vertically adjustable position.
The apparatus of claim 6, wherein the first position adjuster comprises:
A rotary member provided to extend in the vertical direction and rotatably installed in the main body;
A second driving unit for generating a rotational force for rotating the rotary member; And
And a position adjusting member for supporting the removing unit and moving the removing unit in a vertical direction interlocked with the rotation of the rotating member.
8. The method of claim 7,
Wherein the first position adjusting unit further comprises a position sensing unit for sensing a vertical position of the removal unit.
The method according to claim 6,
Wherein the position adjusting unit further comprises a second position adjuster for movably supporting the main body so that the front-rear direction position of the removal unit is adjusted.
The apparatus of claim 9, wherein the second position adjuster comprises:
A moving wheel part rotatably installed in the main body part; And
And a rail portion extending in the forward and backward directions to guide the movement of the moving wheel portion in the forward and backward directions.

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