KR200337038Y1 - An apparatus for removing iron piece from transferred ore - Google Patents

Abstract

Provided is an apparatus for removing flakes in a blast furnace raw material transport line that detects iron pieces contained in the raw materials and immediately removes them while transporting iron ore, which is a raw material input into a blast furnace of a steel mill, to a conveyor belt for transportation.

The iron piece removing device of the blast furnace raw material transport line, the moving means installed to move forward and backward along the frame on the upper portion of the transport facility; and is connected to the lower side of the moving means so as to lift and lower the iron piece on the transport facility by magnetic force. Electromagnet block to make; And iron piece processing means for accommodating the iron pieces falling off after the movement of the electromagnet block and discharging them to the outside of the transport facility.

According to the present invention as described above, by detecting the iron pieces contained in the raw material (or coal as fuel) transported along the transport line of the blast furnace raw material and quickly remove them, to prevent the damage to the conveyor belt of the transport line by the steel pieces in advance. Get an improved effect.

Description

Iron removal device of blast furnace raw material transport line {AN APPARATUS FOR REMOVING IRON PIECE FROM TRANSFERRED ORE}

The present invention relates to an apparatus for removing flakes in a blast furnace raw material transport line that detects iron flakes contained in the raw material and immediately removes them while transporting iron ore, which is a raw material input to the blast furnace of a steel mill, to a conveyor belt for transportation. More specifically, by detecting iron pieces contained in the raw material (or coal as fuel) transported along the transport line to be inserted into the blast furnace and quickly removing them, the blast furnace prevents damage to the conveyor belt of the transport line by the iron pieces. The present invention relates to an iron strip removing device of a fuel transportation line.

Iron ore, which is a raw material of steel produced in steel mills, is transported by ship or train by sea or land, and the iron ores or other raw materials thus transported are transported to a yard of a sintering and raw material factory through a conveyor belt. As shown, the transported raw material is transported by a conveyor belt and stored in the storage bin 100, which is a raw material storage facility of the blast furnace factory.

And, raw materials such as iron ore discharged from the storage bin 100 is screened basis weight through the screen (110), the raw material which is iron ore of a certain particle size (size) through such a screen work is the lower hopper ( Weighing Hopper) 130 is stored.

Next, as shown in FIGS. 1 and 2, raw materials such as iron ore discharged from the weighing hopper 130 are transported to the surge hopper 150 through the conveyor belt 140, which is a transportation facility, to the blast furnace 160. Is committed.

By the way, iron ore which is usually blast furnace raw material is transported in a spectral or lump form, the iron ore is a mixture of iron pieces having sharp edges are formed in the iron ore, eventually the iron pieces are conveyed to the conveyor belt (belt conveyor) (140), such as transportation equipment for transport of iron ore When falling, the sharp edges are not processed to damage the belt 142 of the conveyor belt made of rubber material has a problem of shortening the life of the conveyor belt.

On the other hand, in order to prevent damage to the conveyor belt due to the iron pieces included in the transport of such blast furnace raw materials, in the prior art, by installing a steel sheet detector 120 that can detect the iron pieces on the conveyor belt 140 to the raw material in transport When the included iron piece is detected and the warning light or warning buzzer light on the operation panel 122 connected to the detector is operated, the operator stopped the operation of the conveyor belt 140 and found the iron pieces mixed in the iron ore and manually removed.

Therefore, to prevent damage caused by the iron pieces of the conveyor belt as a transport facility to extend its service life, and to prevent the blast furnace management and work load by smooth material transportation.

However, in the related art, when the worker detects the iron piece by the operation of the iron piece detector 170, the conveyor belt 140 stops operation and manually finds the iron piece on the belt 142 and removes it. After restarting, the restart is delayed, which leads to a problem of lowering the overall utilization rate of the raw material transport line.

In addition, since the worker has to find the iron pieces on the belt 142 by hand, there is a high risk that a safety accident occurs due to the narrowing of the facility of the worker.

The present invention has been made in order to improve the conventional problems as described above, the object is to detect the iron pieces contained in the raw material transported along the transport line of the blast furnace raw material by quickly removing them, the conveyor of the transport line by the iron piece An object of the present invention is to provide a strip removing device for a blast furnace transportation line to prevent belt damage in advance.

1 is a schematic diagram showing a transport line of raw materials introduced into a blast furnace

Figure 2 is a schematic diagram showing the iron strip removal operation of the conventional blast furnace raw material transport line

3 is a perspective view showing the iron strip removing device of the blast furnace raw material transport line according to the present invention

Figure 4 is a perspective view showing the installation state of the iron strip removing device of the blast furnace raw material transport line of the present invention

5 is an exploded perspective view showing the iron strip removing device of the blast furnace raw material transport line of the present invention

Explanation of symbols on the main parts of the drawings

1 .... Iron strip removal device of blast furnace raw material transportation line

10 .... Frame 30 .... Vehicle

32,52 .... Motor 34 .... Wheel

36 .... Moving block 50 .... Electromagnet block

54 .... Driven drum 56 .... Operating wire

70 .. Steel sheet handling means 72 .... drive cylinder

74 .... Lift Box 76 .... Iron Box

120 .... Iron flap detector 140 .... Transportation

142 .... belt 144 .... transport frame

The present invention as a technical configuration for achieving the above object, in the device for removing the detected iron pieces, including a iron piece detector for detecting the iron pieces contained in the raw material to be transported through the transport facility to the blast furnace,

Moving means installed to move forward and backward along the frame at the upper portion of the transport facility;

An electromagnet block which is connected to the lower side of the moving unit so as to be lifted and lowered and magnetically absorbs the iron pieces on the transport facility; And

Iron piece processing means for accommodating the iron pieces falling when off after moving the electromagnet block and discharged to the outside of the transport facility;

Characterized in that configured to include.

Hereinafter, a preferred embodiment of the present invention according to the accompanying drawings as follows.

Figure 3 is a perspective view showing the iron strip removal apparatus of the blast furnace raw material transport line according to the present invention, Figure 4 is a perspective view showing the installation state of the iron strip removal apparatus of the blast furnace raw material transport line of the present invention, Figure 5 It is an exploded perspective view showing the iron strip removing device of the blast furnace raw material transport line.

3 and 4 show the overall configuration of the iron strip removing device 1 of the blast furnace raw material transport line of the present invention, the device 1 of the present invention is largely the moving means 30 and the electromagnet block 50 And it is divided into a piece of iron removal means 70, look at in detail these components 30, 50, 70 as follows.

First, in FIGS. 3 to 5, the iron strip removing apparatus 1 of the blast furnace raw material transport line of the present invention, the iron strip detector for detecting the iron pieces contained in the raw material transported through the transport facility 140 so as to be put into the blast furnace ( 120, the iron piece detector 120 is connected to the operation panel 122 is electrically connected to the device control unit (C), if there is a piece of iron on the conveyor belt 140, which is a transport facility that detects the The signal is transmitted to the control unit C through the operation panel 122 to control the operation of the moving means 30 and the wire driving drum 52 to be described later.

And, the control unit (C) is connected to the cab (C ') of the transport line, the control unit (C) is connected to the surveillance camera 2 installed on the upper side of the frame 10 is connected to the surveillance camera in the cab It will also be possible to enable the operation of the device 1 of the present invention.

Next, FIG. 3 and FIG. 5 show the moving means 30 of the device 1 of the present invention, and the moving means 30 of the present invention has a frame directly above the transportation facility 140. It is installed to move forward and backward along (10).

At this time, the frame 10 is fixed to the c-shaped support 12 on both sides of the frame 144 of the conveyor belt 140, which is the transport facility, is connected between the vertical stand 14 perpendicular to the conveyor belt ( 140 is stretched horizontally.

4 and 5, the moving means 30 is supported on both sides of the upper horizontal bar 12 of the frame 10 and driven and driven as a motor 32. 34a) and 34b and a moving block 36 provided with the driving and moving wheels 34.

Therefore, when the motor 32 is connected to the control unit C and the iron piece is detected through the iron piece detector 120, the control unit C stops the operation of the transportation facility 140, and the motor 32 As shown in FIG. 5, the moving block 36 is driven and moved while the driving and moving wheels 34a and 34b are supported, as shown in FIG. 5.

At this time, as shown in Figure 5, the drive pulley (32a) installed on the drive shaft of the drive motor 32, the chain 37 is fastened simultaneously to the driven pulley (35) installed on the shaft of the drive wheel (34a) When the motor 32 is driven, the movable block 36 moves forward and backward along the frame 10 integrally with the driving wheel 34a. As described above, the movable block 36 moves forward and backward. It is to enable the movement of the electromagnet block 50 to substantially suction and move the iron pieces magnetically.

Next, FIG. 3 and FIG. 4 show the electromagnet block 50 of the device 1 of the present invention, and the electromagnet block 50 of the present invention moves upward to the lower side of the moving means 30. It is connected to the descending and adsorbs and moves the iron pieces on the transport facility by magnetic force.

That is, the electromagnet block 50 is installed at the bottom of the moving block 36 of the moving means 30 and connected to the lower end of the operation wire 56 wound around the driving drum 54 driven by the motor 52. have.

Therefore, when the driving drum 54 is driven as the motor 52, the electromagnet block 50 is raised and lowered integrally by the operation of the operation wire 56, and eventually the movement of the moving block 36 and the electromagnet block 50 After the iron piece is detected as the iron piece detector 120 on the belt 142 on the conveyor belt 140, which is a transportation facility, the electromagnet block 50 is lowered to lower the iron piece by magnetic force. It is made to adsorb | suck and after that, it will move to the side of the iron piece processing means 70 demonstrated later.

At this time, the motor 52 of the driving drum is also electrically connected to the control unit (C), the operation is adjusted.

Meanwhile, proximity sensors S are installed at front and rear sides of the moving block 36 and at both sides of the frame 10, and at the same time, the sensor (at the top of the electromagnet block 50 and the lower side of the moving block 36, respectively). S) are installed, the front and rear movement width of the moving block 36 and the moving up and down width of the electromagnet block 50 are adjusted, and these sensors (S) are all electrically connected to the control unit (C) so that they are close to each other. When the operation is performed by the movement means motor 32 and the electromagnetic block block drive drum motor 52 is controlled respectively.

Next, FIGS. 3 and 5 illustrate the iron piece processing means 80 of the device 1 of the present invention, and the iron piece processing means 80 of the present invention is turned off after the movement of the electromagnet block 50. It is configured to accommodate the falling iron pieces during the discharge and discharge to the outside of the transport facility (140).

That is, the iron piece processing means 70, the driving cylinder 72 is vertically fixed on the transport equipment 140, the drive cylinder 72 is connected to one side and the other side is hinged on the transport equipment frame Lifting box 74 for lifting and lowering the hinge shaft when the electromagnet block 50 is off, and an iron box for storing the iron piece is disposed on the outer side of the transportation equipment to one side of the lifting box (74) It consists of 76.

At this time, the drive cylinder 72 is fixed vertically to the preliminary 10 as a bracket (72a), the lifting box 74 is fixed to the frame 144 of the conveyor belt 140, the transport facility. One side is rotatably connected as the hinge 74b to the fixed stand 74a.

Therefore, as shown in FIG. 4, the electromagnet block 50 in the state in which the iron pieces are integrally adsorbed and raised by the movement of the moving block 36 is lowered while the movement is stopped at the upper portion of the elevating box 74. When the power of the electromagnet block 50 is turned off, the iron piece falls on the lifting box (74).

Next, when the driving cylinder 72 is raised, the lifting box 74 is configured to discharge the iron pieces accommodated therein to the iron piece box 76 on the outer side while lifting the hinge to the shaft to complete the iron piece removing operation. Lose.

Looking at the operation of the present invention made of the configuration as described above, as shown in Figures 3 to 5, when the iron piece conveyed by the conveyor belt 140, which is a raw material transport facility is detected in the iron piece detector 120, transport The operation of the facility 140 is stopped, and the signal detected by the iron piece detector 120 is transmitted to the control unit C through the operation panel 122 and simultaneously displayed on the monitor of the cab C '.

Next, as the motor 32 of the moving means 30 is driven, the driving drum motor 52 under the moving block 36 is driven, so that the electromagnet block 50 is turned on and the electromagnet block 50 is turned on. The iron piece is attracted by magnetic force when placed close to the iron piece on the transportation equipment.

At this time, the operator adjusts the movement of the electromagnet block 50 through the camera 2 in the cab, the movement and the rising width of the moving block 36 and the electromagnet block 50 is adjusted through the proximity sensor (S). .

Next, when the electromagnet block 50 which magnetically adsorbs the iron piece moves and descends on the elevating box 74 of the iron piece processing means 70, the power of the electromagnet block 50 is turned off, and the iron piece is on the elevating box 74. Fall to the drive cylinder 72, the lifting box 74 is lifted.

Therefore, while the iron pieces are discharged to the iron box box 76, the iron pieces on the belt 142 of the conveyor belt 140, which is a transportation facility, is removed very quickly without the manual work of the operator.

Next, the electromagnet block 50 is moved back to the initial standby position, the driving cylinder 72 is lowered and the lifting box 74 is returned to the position to accommodate the iron piece in a horizontal state, after the iron piece detector 120 If the iron is detected again through the work until now is repeated.

Accordingly, when the raw material introduced into the blast furnace through the transport facility 140 is transported, if the iron piece is detected it can be quickly removed without the manual operation of the operator to facilitate the operation of the transport facility, as well as the blast furnace.

As described above, according to the present invention, the iron strip removing device of the blast furnace raw material transport line detects iron pieces contained in the raw material or fuel transported along the blast furnace raw material transport line and quickly removes them, thereby damaging the conveyor belt of the transport line by the iron pieces. It provides an excellent effect of preventing this.

Furthermore, the steel plate detection and removal work is performed quickly, preventing damage to the conveyor belt, which is a transportation facility, and smooth operation of the transportation facility, so that raw materials or fuel can be smoothly flowed into the blast furnace to improve maneuverability while improving worker safety. Accidents also provide the benefit of being prevented.

While the present invention has been shown and described in connection with specific embodiments so far, it is common in the art that the present invention may be variously modified and changed without departing from the spirit or the scope of the present invention provided by the following claims. I would like to know that those who have knowledge of this can easily know.

Claims (4)

In the device (1) for including the iron strip detector 120 for detecting the iron pieces contained in the raw material transported through the transport facility 140 to be inserted into the blast furnace, A moving means (30) installed to move forward and backward along the frame (10) directly above the transport facility (140); An electromagnet block 50 connected to the lower side of the moving unit 30 so as to be lifted and lowered so as to magnetically adsorb iron pieces on a transport facility; And Iron piece processing means (70) for accommodating the iron pieces falling off after the movement of the electromagnet block 50 and discharged to the outside of the transport facility (140); Iron strip removal apparatus of the blast furnace raw material transport line, characterized in that configured to include The method of claim 1, wherein the moving means 30, Drive and moving wheels 34a and 34b supported on both sides of the upper horizontal rod 12 of the frame 10 and driven as a motor 32; And A moving block 36 provided with the driving and moving wheels 34; Iron strip removal apparatus of the blast furnace raw material transport line, characterized in that consisting of The actuating wire (56) of claim 1, wherein the electromagnet block (50) is installed at a bottom of the moving block (36) of the moving means (30) and wound on a driving drum (54) driven as a motor (52). Is connected to the lower end of the iron strip removal device of the blast furnace raw material transport line, characterized in that configured to rise and fall on the transport facility (140) The method of claim 1, wherein the iron piece processing means 70, A drive cylinder 72 vertically fixed on the transport facility 140; The drive cylinder 72 is connected to one side and the other side is connected to the hinge on the transport equipment frame to move up and down the hinge shaft and the lifting box (74) for receiving the iron piece falling off the electromagnet block (50); And An iron piece box (76) disposed at an outer side of a transport facility to one side of the elevating box (74) to store iron pieces; Iron strip removal apparatus of the blast furnace raw material transport line, characterized in that configured to include