KR200362353Y1 - apparatus for cleaning sludge of flux chute hole - Google Patents

Abstract

The present invention relates to a device for removing the current attached to the inner wall of an input chute of subsidiary materials for refining the molten iron contained in a converter used in a steelmaking plant, a process in the steel industry. It is an object of the present invention to provide a subsidiary material removal device that can easily and quickly proceed with the removal operation by the work device that can be freely moved back and forth, left and right and up and down in a situation.

Accordingly, in the present invention, the vertical angle adjusting means which is installed on the upper surface of the upper frame of the rotatable running portion, and the forward and backward adjusting means which is mounted so that the boom that can be moved forward and backward on the vertical angle adjusting means is rotatable, and A sub-material hole removal device composed of a work tool device having a vibrator and a scraper means for smooth removal is provided to remove the current attached to the inner wall of the sub chute chute.

Therefore, the present invention has a very useful effect that can be carried out quickly and efficiently because the vertical angle adjusting means, the forward and backward means and the turning means and the work tool with vibration and scratching function are attached to the articulated work. have.

Description

Apparatus for cleaning sludge of flux chute hole}

The present invention relates to a device for removing the current attached to the inner wall of an input chute of secondary raw materials for refining the molten iron contained in a converter used in a steelmaking plant, a process in the steel industry. The present invention relates to a sub-material now removing device that can easily and quickly proceed with the removal of the sub-material input chute by using a work device that can freely move back and forth, left and right and up and down in a high temperature situation at the upper end.

In general, the steelmaking process in the steel industry removes impurities from molten iron produced in blast furnaces, which are made into molten steel and sent to the reprocessing process. In order to refine carbon (C), P (phosphorus) and S (sulfur) contained in molten iron in large quantities, Scrap iron and molten iron are put into the converter and pure oxygen is blown through LANCE to remove impurities such as carbon, phosphorus and sulfur.

In addition, in order to improve the quality of molten steel and prevent excessive rise in temperature in the converter and to refine other impurities, Fe-Mn, Fe-Si, BURNT LIME iron ore and limestone Subsidiary materials such as fluorite and fluorite are added. The subsidiary material input line puts each subsidiary material into each hopper and enters the converter through a hood through a secondary raw material chute.

In this process, a converter containing molten iron is ejected a large amount of high temperature and high humidity (DUST), sludge (SLUDGE), slag (SLAG) due to the injection of oxygen and subsidiary materials through the lance at an ultra-high temperature state, and a hood. It is collected through.

At this time, the dust, sludge, slag and the like is fused in a small amount to the outlet of the subsidiary material input chute connected through the dust collection hood, this process is repeated a lot of the current is generated at the exit of the subsidiary material input chute.

On the other hand, if a large amount of jams are jammed in the feedstock chute, the outlet of the feedstock chute becomes smaller, which lowers workability, and the feedstock is accumulated in the chute, resulting in a considerable amount of feedstock input.

Conventionally, in order to remove the fusion welded to the outlet and the inner wall of the subsidiary feed chute, most workers drill additional holes in the subsidiary chute and attach the flanges to open them, and then insert the long iron pipe into the chute inner wall. A hand hammer was used to remove the current on the inner wall of the chute.

However, the conventional method of removing the sub-material input chute such as this is that it is very difficult for the worker to work around the chute due to the characteristics of the furnace body that emits enormous heat, and in such a bad condition, the worker finds the inside of the chute with the naked eye and touch. And working with a hammer was a very difficult task in reality.

In addition, the chute is located at the top of the converter to remove the work from the work deck

There was a high risk of worker's safety accident because it was a height-lifting operation.

Therefore, even though a lot of work manpower and time is required, the subsidiary chute inside the chute removal now did not proceed smoothly, the problem that the worker to avoid the removal now occurs.

In addition, the conventional subsidiary chute chute removal method is also generated a serious problem because the characteristics of the work directly removed by the operator can not be removed by the horsepower of the operator.

The present invention has been devised to solve the conventional problems as described above, the object of the present invention is to remove the now fused to the inner wall of the raw material chute using a work tool consisting of a scraper device and a vibrating device to remove the now The present invention provides a subsidiary chute inner wall removal device that can quickly and efficiently.

And another object of the present invention, using the articulated device, that is, the vertical angle adjusting means of the boom and the forward and backward means and the turning means, the push pull device of the tool To provide a subsidiary chute inner wall removal device that can be quickly and quickly work.

1 is a state diagram of the raw material injection chute line of steelmaking converter

Figure 2 is a front view showing the now removing operation state of the secondary raw material chute chute of the prior art

Figure 3 is a front view showing the now removal operation state of the inner material chute injection chute according to the present invention

4 is a left side view of FIG. 3

Figure 5 is a cross-sectional view showing the state of the vertical angle control device and the forward and backward devices and the turning device according to the present invention

Figure 6 is an enlarged cross-sectional view showing the state of the work tool combines vibration and scratching function according to the present proposal

<Description of the reference numerals for the main parts of the drawings>

H: HOOD C: CHUTE

J: converter

100: driving unit 150: tilt bracket

200: Boom Assay 250: Work Tool

101: upper frame 102: ring gear

103: joint bracket 104: boom cylinder

105 (A) (B): Boom cylinder bracket 106: Protector

151: Out Boom 152: Inner Boom

153: Shear ring gear 154: Swing motor

155: rear ring gear 156: feed cylinder

157 (A) (B): Feed cylinder bracket 158: Tool cylinder

159: Support Plate

251: out arm 252: inner arm

253: Tooth 254 (A) (B): Push cylinder bracket

255: Push Cylinder 256: Tooth Pipe

257: Air Breca 258: the scratcher body

259: fixed pin

The secondary raw material hole removal device of the present invention for achieving the above object is a tilting bracket which is a vertical angle adjusting means installed on the upper surface of the upper frame of the rotatable running portion; A boom installed on the tilting bracket to pivot and move forward and backward;

It is characterized in that it includes a work tool device equipped with a push and pull means for removing the secondary raw material.

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

1 is a state diagram showing the cross-section of the current converter, dust collection hood, side material chute, side material hopper, etc.

Figure 3 shows the sub-material hole now removing operation state according to the present invention, as shown in the sub-material hole removing device of the present invention is largely driven, vertical angle adjusting means, forward and backward means of the boom, scraping and vibration function It consists of a working tool device equipped with a.

First, as shown in FIG. 4, the caterpillar is used as a traveling device for approaching the subsidiary material removal device to the chute C as shown in FIG. 4. Mounted. The turning of the upper frame is made by the ordinary ring gear device 102 installed inside the center of the traveling part.

Tilt bracket 150, which is a vertical angle adjusting means, is a device capable of adjusting the vertical angle of the boom assay 200 equipped with the work tool 250 having the push and pull functions as shown in FIGS. Brackets 105A and 105B were fixed to the upper and front surfaces of the upper frame 101, respectively. Then, the joint bracket 103 was pin-coupled to the bracket, and the boom cylinder 104 was pin-coupled to the other bracket, and the rod side end of the boom cylinder was pin-coupled to the joint bracket 103 described above. Therefore, the joint bracket 103 is rotated back and forth according to the operation of the boom cylinder 104.

In addition, a protector 106 is installed on the front surface of the upper frame 101 to block current and high heat falling from the subsidiary chute to the driver.

The forward and backward movement of the boom assay 200 is mounted on the tilt bracket, which is a vertical angle adjustment means, to be combined with the work tool 25. The out boom 151 and the inner boom ( 152, a swing ring gear 153 that is a swing means and a swing motor 154 attached to the tilt bracket 150. First, the outboom 151 is fixed to the outer ring of the shear ring gear 153 attached to the vertical angle adjusting means as shown in FIG. 5, and the rear end of the outboom is another rear end ring mounted to the rear end of the vertical angle adjusting means. It is fixed to the outer ring of the gear 155, the pinion gear of the swing motor 154 attached to the lower portion of the vertical angle adjusting means and the outer ring of the shear ring gear is installed to engage the swing motor 154 to operate When the ring gear rotates, the connected out boom 151 is also fixed to the end of the out boom when rotating, thereby catching the shaking and shaking to enable the rotational movement of the telescopic boom.

And the inner boom 152 is inserted into the inner side of the out boom and assembled with a pin and a cylinder bracket 157B mounted on the head side of the feed cylinder 156 and the rear end of the out boom 152, the feed cylinder 156 Is assembled with pins by the cylinder bracket 157A mounted on the rod side of the inner boom and the front end of the inner boom, and the inner boom 152 is telescopic from the inside of the out boom 151 in accordance with the forward and backward operation of the feed cylinder 156. It was possible to work forward and backward.

In addition, the work tool device 250 assembled with a pin to be tiltable through the support plate 159 at the tip of the inner boom 152 of the tool cylinder 158 connected to the tip of the inner boom 152 by a pin The rod side of the tool cylinder 158 is pinned to each other through another pin of the head side and the support plate 159 of the work tool device, so that the work tool device 250 is moved according to the forward and backward operation of the tool cylinder 158. It can be tilted.

Therefore, the out boom 151 which is connected to the inner boom 152 and the feed cylinder 156 which can be moved forward and backward is connected to the ring gear 153 so as to be able to pivot with the vertical angle adjusting means. The work tool device 250 connected to the tip of the inner boom 152 through the support plate 159 becomes a multi-joint device capable of a tilting operation.

Work tool device 250 with a scratch and vibration function includes an out arm 251 and an inner arm 252 for large push pull operations, and a scratch and vibration air breaker. It consists of a tooth (253) having a built-in tooth.

First, the cylinder bracket 254B attached to the rear end of the out arm 251 is coupled to the head side of the push cylinder 255 by a pin, and the bracket 254A attached to the front end of the inner arm 252 is the push cylinder 255. The inner side of the push arm 255 is coupled to the rod side of the push cylinder 255 forward and backward can move forward and backward on the inside of the out arm, it is possible to push, pull operation.

In addition, there is an air breaker 257 for vibrating work in the tooth 253 and the two pipe 256 connected to and fixed to each other by an inner arm and a pin, and fixed with a bolt, and the rear end of the scratch and the air breaker 257 ) Are fixed to each other at the tip. And the long hole and the two-pipe (256) to the scratcher body 258 is coupled to each other by the fixing pin (259) acts as a stroke by the length of the long hole of the scratch to the vibration of the air breaker 257 to enable the vibration operation.

That is, the scratcher body 258 prevents the detachment of the scratcher body 258 during the pull operation due to the fixing pin 259, and the scratcher fixedly coupled to the air breck 257 mounted on the two-pipe 256. Enables the combined function of vibration and scratching.

Referring to the operation and effects of the present invention configured as described above in detail.

As shown in FIG. 3, the converter (J) is tilted to secure a space enough for the boom to enter the hood (H), and the sub-material hole according to the present invention is operated by a track vehicle equipped with a removal device to approach the converter. The working angle is set by operating the tilt bracket 150 using the boom cylinder which is a vertical angle adjusting means on the driving part.

In this way, the inner boom is advanced from the out boom as the cylinder is advanced by using the feed cylinder 156, which is the inner and rear bulging means in the vertical angle adjustment state.

In this state, the tool cylinder 158 connecting the front end of the inner boom 152 and the work tool device 250 to each other moves forward and backward and sets the work tool device not to interfere with the converter and the hood.

On the other hand, after the boom and the work tool device are introduced into the hood to remove the sub-material chute, the work tool device 250 having the scratch and vibration means is rotated by rotating the swing motor 154 that is the boom turning means. It is located at the tip of the exit.

In this state, it is possible to push-pull work in accordance with the forward and backward movement of the push cylinder 255 in the work tool device, and also to vibrate through the air breck 257 mounted in the two-pipe 256 to remove the work faster and faster. You can do

As described above, the secondary raw material removal device of the present invention is now removed through the articulation of the upper frame, the vertical angle adjustment of the boom, the forward and backward rotation means of the boom, and the articulation device of the work tool device having the scratch and vibration functions. The position can be set more easily and accurately.

In addition, the equipment is not directly removed by the operator now, and the equipment is not only protected from external dangers, but also the worker is unnecessary because the operator is unnecessary, thereby significantly reducing the work force.

As described above, the present invention can be easily and quickly removed by the articulated composite device of the work tool device equipped with the upper frame turning, the vertical angle adjustment of the boom, the forward and backward means of the boom, the scraping and the vibration function. There is an effect that can be done. In addition, the work tool device equipped with a vibrating device can significantly reduce the removal time now, there is a very useful effect that can fundamentally prevent the operator's safety accidents.

Claims (3)

The upper frame 101 of the upper part of the rotatable traveling part, a tilt bracket 150 which is a vertical angle adjusting means installed on the upper surface of the upper frame, and a shear ring gear 153 to be rotatable with the vertical angle adjusting means. Sub-material ball consisting of the connected out boom 151 and the inner boom 152 which is a forward and backward means connected to the out boom and the feed cylinder 156 and the work tool 250 device connected to the inner boom tip to enable tilting. Now in the removal device, A scratching means 258 which can push and pull by combining the out arm and the inner arm with a push cylinder at the time of the removal operation; Vibration means 257 which can give a light vibration to the scratching means can be removed now more quickly; Sub-material hole now removing device, characterized in that it comprises a work tool device 250 that can be used in combination with the scraping means and vibration means. According to claim 1, The work tool device 250 includes an out arm (251) connected to the pin so as to be rotatable with the inner boom tip; An inner arm 252 fixedly coupled to the end of the out arm and the head side of the push cylinder 255 by a pin so as to perform a push and pull operation, and fixed to the rod side of the push cylinder by a pin; And a tooth (253) having a scratch and a vibration function fixed to the inner arm (252) and a pin. According to claim 2, The tooth 253 and the inner arm (252) and the pinned to each other fixed to the pipe (256); An air breaker 257 which is fastened by bolts in the tooth pipe 256 to perform vibration work; Sub-material hole removal device, characterized in that it comprises a scratcher body 258 fixed to each other with a pin at the rear end of the scratcher having a long hole and the end of the air Breca (257)