KR102258701B1 - Lump ore automatic removal equipment - Google Patents

Abstract

Disclosed is an automatic lump ore removal apparatus which automatically discards lump ore by rotating in the left and right directions in accordance with the weight of lump ore to sift out lump ore produced when using ore in a constant feed weigher. According to the present invention, the automatic lump ore removal apparatus comprises a shaft and a rotating unit for lump ore removal arranged on the outer circumferential surface of the shaft to rotate in the left and right directions by the weight of falling lump ore. The rotating unit for lump ore removal includes: a surface unit enclosing the outer circumferential surface of the shaft; a collection plate arranged in the longitudinal direction of the surface unit to collect falling lump ore; a first removal unit arranged in the longitudinal direction of the surface unit, arranged and separated from a side of the collection plate, and provided with a plurality of first grizzly bars arranged thereon at regular intervals; a second removal unit arranged in the longitudinal direction of the surface unit, arranged and separated from a side of the first removal unit, and provided with a plurality of second grizzly bars arranged thereon at regular intervals; and a bearing arranged on both ends of the surface unit.

Description

Automatic lump mineral removal device {LUMP ORE AUTOMATIC REMOVAL EQUIPMENT}

The present invention relates to an automatic lump ore removal device that rotates left and right according to the weight of the lump ore so that the lump ore can be automatically discarded in order to filter the lump ore generated when the ore is used in a constant feed weigher.

In general, the blast furnace is burned by charging sintered ore. These sintered ores are usually mixed with iron ore of less than 8 mm, auxiliary raw materials such as limestone and serpentine, and coke and semi-glow used as fuel sources to prepare a blended material, and then add quicklime to the blended raw material and sinter in a sinter It is manufactured through a sintering process.

The sintering process is carried out as follows. The various main raw materials and auxiliary raw materials stored in the Ore Bin (1) are quantitatively cut out by the quantitative cutting device (2) according to the calculated values according to the target components required in the subsequent process. After that, an appropriate amount of moisture is added from the first mixer and the second rerolling drum. Blended raw materials that have gone through the process of mixing and assembling are transported to a conveyor belt (3) and discharged. For a stable sintering operation and sintering and manufacturing of uniform quality by making the blended raw materials uniform, a bulky ore larger than iron ore is selected and processed from the blended raw materials. When the lump ore falls from the quantitative cutting device and accumulates on the grizzly bar (4), the lump ore must be manually handed over to the drain chute (5) and removed.

1 and 2 are conventional agglomerate removal apparatus. As shown in Figs. 1 and 2, when the falling lump ore accumulates in the grizzly bar 4, there is a trouble of passing the accumulated lump ore to the drain chute 5 using the manual lever 6 and emptying it. In addition, when a large amount of gangrene occurs, the drain chute 5 is clogged, and the lump lump accumulates in the grizzly bar 4 and overflows, and the grizzly bar 4 is damaged, causing the work load of the person in charge. .

KR Patent Publication No. 2002-0049180 (2002.06.26.)

An object of the present invention is to provide a device for automatically removing lump ore that rotates according to the weight of falling lump ore, and automatically discards the accumulated lump ore into a drain chute.

In addition, it is an object of the present invention to provide a device for automatically removing lump minerals capable of preventing clogging or overflow of a drain chute.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention that are not mentioned can be understood by the following description, and will be more clearly understood by examples of the present invention. In addition, it will be easily understood that the objects and advantages of the present invention can be realized by the means shown in the claims and combinations thereof.

The device for automatically removing lump ore according to the present invention comprises: a shaft; And a rotating part for removing agglomerates which is disposed on the outer circumferential surface of the shaft and rotates in a left and right direction by the weight of the falling agglomerate; wherein the rotating part for removing the agglomerate includes a surface part surrounding the outer circumferential surface of the shaft, and disposed in the longitudinal direction A collection plate for collecting falling agglomerates, a first removal portion disposed in the longitudinal direction of the surface portion, arranged at intervals on the side of the collection plate, and a plurality of first grizzly bars disposed at a predetermined interval, in the longitudinal direction of the surface portion It characterized in that it comprises a second removal portion disposed at a distance to the side of the first removal portion, a plurality of second grizzly bars arranged at a predetermined interval, and bearings disposed at both ends of the surface portion.

The automatic lump ore removal device according to the present invention has the effect of rotating according to the weight of the falling lump ore, and automatically discarding the accumulated lump ore into the drain chute.

In addition, the automatic removal device of the present invention adjusts the length, spacing, and number of grizzly bars that are spaced apart, and can filter out the lump ore twice by installing it in two stages, and prevents the inflow of another lump ore falling downward. It works.

In addition, the automatic removal device for lumping of the present invention is to provide that can prevent clogging or overflow of the drain chute.

In addition to the above-described effects, specific effects of the present invention will be described together with explanation of specific matters for carrying out the present invention.

1 and 2 are conventional agglomerate removal apparatus.
3 is a cross-sectional view of a device for automatically removing lump ore according to the present invention in a quantitative cutting device.
Figure 4 is a perspective view of the automatic removal device for gangrene according to the present invention.
5 is a front view of the automatic removal device for lump ore according to the present invention.
6 is an enlarged view of the bearing of the device for automatically removing lump ore according to the present invention.
7 is a right side view of the device for automatically removing lump ore according to the present invention.
8 to 11 are schematic diagrams showing an operating process of the automatic lumping removal apparatus according to the present invention.

The above-described objects, features, and advantages will be described later in detail with reference to the accompanying drawings, and accordingly, a person of ordinary skill in the art to which the present invention pertains will be able to easily implement the technical idea of the present invention. In describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, a detailed description will be omitted. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar elements.

Hereinafter, the "top (or bottom)" of the component or the "top (or bottom)" of the component means that an arbitrary component is arranged in contact with the top (or bottom) of the component. In addition, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.

In addition, when a component is described as being "connected", "coupled" or "connected" to another component, the components may be directly connected or connected to each other, but other components are "interposed" between each component. It is to be understood that "or, each component may be "connected", "coupled" or "connected" through other components.

Hereinafter, an apparatus for automatically removing lump ore according to an embodiment of the present invention will be described.

Figure 3 is a cross-sectional view of a state in which the automatic removal device according to the present invention is disposed in a quantitative cutting device. As shown in FIG. 3, the apparatus for automatically removing lump ore according to the present invention may be disposed between the drain chute, and may be automatically discarded in the drain chute by rotating according to the weight of the falling lump ore.

As shown in FIGS. 4 to 7, the apparatus for automatically removing agglomerate according to the present invention includes a shaft 100 and a rotating part 200 for removing agglomerate.

The shaft 100 has a rod shape in the longitudinal direction.

On the outer circumferential surface of the shaft 100, a rotating part 200 for removing lumping is disposed. The rotating part 200 for removing agglomerates rotates in the left-right direction by the weight of the falling agglomerate, so that the agglomerate is automatically discarded in the drain chutes 10 and 11.

The rotating part 200 for removing agglomerate includes a surface part 210 surrounding the outer circumferential surface of the shaft, a collecting plate 220, a first removing part 230, a second removing part 240, and a bearing 250.

In order for the rotating part 200 for removing agglomerate to rotate by the dropped agglomerate, the surface part 210 is preferably surrounding the outer circumferential surface of the shaft 100 and is not attached to the shaft 100.

The collection plate 220 is disposed in the longitudinal direction of the surface portion 210 to collect the falling lump ore. The collection plate 220 has an area capable of collecting lump ore.

A first removal unit 230 is installed in order to primarily filter the falling gangrene and safely seat the falling gangrene on the collection plate 220.

To this end, the first removal part 230 is disposed in the longitudinal direction of the surface part 210 and is disposed at a distance on the side of the collection plate 220. The first removal unit 230 may include a plurality of first grizzly bars 232 disposed at regular intervals, and may be disposed to be inclined toward the gangrene from which the outer circumferential surface of the first grizzly bar 232 falls. The first grizzly bars 232 may be disposed at regular intervals within a range corresponding to the length of the collection plate 220.

When the lump ore filtered by the first removal unit 230 is collected on the collection plate 220 with a certain weight or more, the collected lump ore is discarded in one drain chute 10 as the collection plate 220 descends. When the gangrene is emptied on the collection plate 220, it returns to its original position.

In order to prevent the inflow of another lump ore falling toward the conveyor belt 3 located in the lower direction, it is preferable to arrange the second removal part 240 on the side of the first removal part 230.

The second removal unit 240 is disposed in the longitudinal direction of the surface portion, and is disposed at a distance from the side of the first removal unit 230. In the second removal unit 240, a plurality of second grizzly bars 242 are disposed at predetermined intervals.

When the dropped lump ore is collected in the second removal unit 240 together with the lump ore separated by the first removal unit 230, the second removal unit 240 descends and the collected lump ore is another drain chute 11 Will be thrown away. When the gangrene is emptied in the second removal unit 240, it returns to its original position.

The grizzly bar included in the first removal unit 230 and the second removal unit 240 will be described in detail as follows.

In order to filter the falling gangrene first and second, the first grizzly bar 232 and the second grizzly bar 242 are preferably disposed so as not to overlap. _{To this end, the distance d 1} between one first grizzly bar 232 and the other adjacent first grizzly bar 232 is one second grizzly bar 242 and another second grizzly bar adjacent to it ( It is preferable that it is greater than the interval (d _{2) between 242).} As shown in FIG. 5, when viewed from the front, the second grizzly bars 242 may be arranged and disposed between the two first grizzly bars 232. For example _{, when d 1} is about 100 mm, d ₂ may be about 80 mm.

Each of the first grizzly bar 232 and the second grizzly bar 242 may have a diameter of about 10 to 20 mm. For example, the diameter of the first grizzly bar 232 may be about 15 mm, and the diameter of the second grizzly bar 242 may be about 10 mm.

According to the suggested interval, the number of first grizzly bars 232 and the number of second grizzly bars 242 may be different from each other. The number of first grizzly bars 232 may be less than the number of second grizzly bars 242. For example, if the number of first grizzly bars 232 is 10, the number of second grizzly bars 242 may be about 12.

In addition, it is preferable that _{the length (d 3} ) of the second grizzly bar 242 _{is longer than the length (d 4} ) of the first grizzly bar 232. This is because the gangrene filtered from the plurality of first grizzly bars 232 is seated on the plurality of second grizzly bars 242 and is discarded in the other drain chute 10. For example _{, when d 3} is about 0.5 m, d ₂ may be about 0.7 m or more.

The first grizzly bar 232 may be positioned at 100 to 110° with respect to the plane of the collection plate 220. In other words, the first removal unit 230 may be located obliquely in the direction in which the second removal unit 230 is located, and the first grizzly bar 232 is located at a point of 70 to 80° with respect to the horizontal line of the shaft 100 can do.

In addition, the second grizzly bar 242 may be positioned to be inclined downward with respect to the horizontal line of the shaft 100. The second grizzly bar 242 may be located at a point 20 to 30° downward with respect to the horizontal line of the shaft 100, and the angle between the first grizzly bar 232 and the second grizzly bar 242 is 90 to It can be 110°.

Bearings 250 are disposed at both ends of the surface part 21, and as the collection plate 220, the first removal part 230, and the second removal part 240 rotate, the bearing 250 also rotates. .

A first stopper 252 disposed on the side of the bearing 250 and a second stopper 120 disposed on the outer circumferential surface of the shaft 100 may be further included in order to determine the turning radius of the rotating part 200 for removing lumping. have. Here, the second stopper 120 may be disposed on the outer peripheral surface of the shaft 100 adjacent to the first stopper 252. When the first stopper 252 contacts the second stopper 120 and is caught when the bearing 250 rotates, the rotation of the rotating part 200 for removing lumping is stopped.

In this way, the turning radius can be adjusted according to the installation of the first stopper 252 and the second stopper 120.

8 to 11 are schematic diagrams showing an operating process of the automatic lumping removal apparatus according to the present invention.

As shown in FIG. 8, the collection plate 220 is placed in a horizontal state in normal times, and drain chutes 10 and 11 are placed on both sides of the collection plate 220 and the second removal unit 240.

The gangrene filtered by the first removal unit 230 is collected on the collection plate 220. As shown in FIG. 9, when the lump ore is collected by a certain weight or more, the collecting plate 220 is lowered by the lump ore weight, and the lump ore is discarded in one drain chute 10. At this time, as the collection plate 220 descends, the first removal unit 230 rotates by a predetermined angle in the direction in which the collection plate 220 is located, and the second removal unit 240 rises by a predetermined angle.

As shown in FIG. 10, while the collection plate 220 is lowered by the weight of the lump ore, while the lump ore is discarded in one drain chute 10, another lump ore is collected while being filtered by the second removal unit 240. do.

As shown in FIG. 11, when the lump ore is collected by a certain weight or more, the second removal unit 240 is lowered by the lump ore weight, and the lump ore is discarded in the other drain chute 11. At this time, as the second removal unit 240 descends, the first removal unit 230 rotates by a predetermined angle in the direction in which the second removal unit 240 is located, and the collection plate 220 rises by a predetermined angle.

In this way, the automatic lump ore removal device according to the present invention can be automatically discarded by rotating left and right according to the weight of the lump ore in order to filter the lump ore generated when the ore is used in a constant feed weigher. .

In particular, there is an effect of first filtering the lump ore through the first removal unit 230, and secondly filtering the lump ore through the second removal unit 240, and another lump on the conveyor belt 3 located in the lower direction. There is an effect of preventing the inflow of light.

Accordingly, clogging or overflow of the drain chute can be prevented, thereby minimizing the work load of the person in charge.

As described above with reference to the drawings illustrated for the present invention, the present invention is not limited by the embodiments and drawings disclosed in the present specification, and various by a person skilled in the art within the scope of the technical idea of the present invention. It is obvious that transformations can be made. In addition, even if not explicitly described and described the effects of the configuration of the present invention while describing the embodiments of the present invention, it is natural that the predictable effects of the configuration should also be recognized.

100: shaft
120: second stopper
200: rotating part for removing lump ore
210: surface portion
220: collection plate
230: first removal unit
232: 1st grizzly bar
240: second removal unit
242: 2nd grizzly bar
250: bearing
252: first stopper

Claims (7)

In the device for automatically removing condensed ore disposed between the drain chute,
shaft; And
Includes; a rotating part for removing the lump lumps disposed on the outer circumferential surface of the shaft and rotating in the left and right direction by the weight of the lump lumps falling down,
The rotating part for removing the lump ore
A surface portion surrounding the outer circumferential surface of the shaft,
A collection plate disposed in the longitudinal direction of the surface portion and collecting the falling lump ore,
A first removal unit disposed in the longitudinal direction of the surface portion and disposed at an interval on the side of the collection plate, and in which a plurality of first grizzly bars are disposed at a predetermined interval,
A second removal portion disposed in the longitudinal direction of the surface portion, arranged at intervals on the side of the first removal portion, and in which a plurality of second grizzly bars are arranged at a predetermined interval, and
It includes bearings disposed at both ends of the surface portion,
Drain chutes are disposed on both sides of each of the collection plate and the second removal unit,
A lump-mine automatic removal device in which a conveyor belt is disposed in a lower direction of the lump-mine automatic removal device.
The method of claim 1,
The first grizzly bar and the second grizzly bar are automatically disposed so as not to overlap with each other.
The method of claim 1,
The apparatus for automatically removing gangrene is a gap between one first grizzly bar and another adjacent first grizzly bar than a gap between one second grizzly bar and another adjacent second grizzly bar.
The method of claim 1,
The second grizzly bar has a length longer than that of the first grizzly bar.
The method of claim 1,
The lump ore removal device
A first stopper disposed on the side of the bearing, and
A second stopper disposed on an outer circumferential surface of the shaft adjacent to the first stopper, and further comprising a second stopper contacting the first stopper when the bearing rotates.
The method of claim 1,
The first grizzly bar is a device for automatically removing agglomerate located at a point of 100 to 110° with respect to the plane of the collection plate.
The method of claim 1,
The second grizzly bar is an automatic gangrene removal device positioned to be inclined downward with respect to the horizontal shaft of the shaft.

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