KR101417216B1 - Equipment Cover for Strip Mill - Google Patents

Abstract

An object of the present invention is to provide a rolling mill shielding device for preventing the diffusion of foreign matter through a surrounding means surrounding a rolling mill. To achieve this, an enveloping means surrounding the rolling mill and an inlet Wherein the enclosing means further comprises auxiliary opening and closing portions formed on both sides of the opening and closing portion formed above the opening, wherein the opening and closing portion provided at the position corresponding to both sides of the rolling mill moves up and down along the enclosing means Wherein the opening and closing part provided above the inlet is a door opening and closing door that is opened and closed by a hinge, wherein the opening and closing part of the opening and closing part is opened and closed by a hinge, Lt; / RTI >

Description

{Equipment Cover for Strip Mill}

The present invention relates to a shielding apparatus for a rolling mill, and more particularly, to a shielding apparatus for a rolling mill, which prevents external diffusion of foreign substances such as fumes and dust generated in a rolling process, minimizes environmental pollution, To a shielding apparatus for a rolling mill.

In general, a rolling mill produces steel products of various sizes by passing a strip (slab) produced in a steel casting continuous casting process through a plurality of rotating rolls to adjust a rolling reduction rate.

However, due to the nature of the production process, various kinds of foreign substances such as steam and dust are generated in the rolling mill, and thus the working efficiency and production efficiency are lowered.

Especially, the rolling mill is closed at the upper part but opened at the side, so that the foreign matter easily spreads to the surroundings, and thus has a problem of providing the cause of environmental pollution.

In addition, the foreign matter generated in the rolling mill (rolling process) causes contamination of the production facility and the subsequent process, resulting in a serious problem causing product failure.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a rolling mill shielding apparatus for preventing the diffusion of foreign matter through a surrounding unit surrounding a rolling mill.

It is another object of the present invention to provide a shielding apparatus for a rolling mill which can increase the work efficiency by forming an opening / closing part for opening and closing the hoist or equipment during maintenance of the rolling mill.

It is another object of the present invention to provide a shielding apparatus for a rolling mill which can move an opened shutter in a horizontal direction to prevent interference during maintenance of a rolling mill.

It is another object of the present invention to provide a rolling mill shielding apparatus having a cleaning pipe and a cleaning nozzle, which can clean foreign matter adhering to the inner surface of the surrounding means.

In order to achieve the above object, the present invention provides a rolling mill shielding apparatus as described below.

The present invention provides a rolling mill shielding device comprising an enclosing means surrounding a rolling mill and an inlet and an outlet configured to feed and discharge material to and from the rolling mill.

At this time, the enclosing means may include a shield member surrounding the side surface and the front and rear surfaces of the rolling mill, and a cover member covering the upper surface of the rolling mill.

Further, the rolling mill shielding apparatus of the present invention further includes a spraying portion disposed on the inner surface of the enveloping means for spraying the fluid into a space surrounded by the enveloping means, wherein the spraying portion includes a washing pipe connected to the enveloping means, As shown in FIG.

Further, the present invention is characterized by a monitoring means mounted on the inner surface of the surrounding means and arranged to observe the state of the rolling mill; And air guiding means disposed inside the space surrounded by the surrounding means to guide the internal air flow.

The enclosing means of the present invention includes an opening / closing portion configured to open and close a passage communicating with the outside to allow the rolling of the rolling mill to escape, and the opening / closing portion may be provided above the inlet and at positions corresponding to both sides of the rolling mill.

The opening and closing portions provided at positions corresponding to both sides of the rolling mill may include a shutter which is movable in the vertical direction along the surrounding means, And a moving part for moving the shutter and the wind-up part in the inward direction. The opening / closing part provided above the inlet may include an opening / closing door that is opened and closed by a hinge.

Further, the cover portion includes an opening connected to the opening and closing portion, and an openable lid can be disposed in the opening, so that a passage through which the hook of the hoist or crane located in the upper portion of the rolling mill enters into the inside is formed.

In the present invention, it is preferable that the moving parts of the opening and closing part including the shutter are provided on both sides of the rolling mill and controlled to interlock with each other.

The present invention has the effect of minimizing environmental pollution by preventing the diffusion of various foreign substances and vapors generated in the rolling process by providing an enclosing means surrounding the rolling mill.

In addition, the present invention can include an opening / closing part for maintenance of the rolling mill, through which the hook of the hoist or the ceiling crane can enter into the enclosing means, so that the working efficiency can be improved.

In addition, the present invention can include a water spraying portion, through which water can be sprayed and removed from the air containing foreign matter through the enclosing means, thereby providing a more comfortable working environment.

In addition, the present invention has the effect of preventing the contamination of the production facility and the subsequent process, thereby increasing the production efficiency.

1 is a perspective view showing a structure of a rolling mill shielding apparatus of the present invention as viewed from the rear.
2 is a perspective view of the structure of the rolling mill shielding apparatus of the present invention as viewed from the front.
3 is a plan view showing the structure of the rolling mill shielding apparatus of the present invention.
4A is a front view showing a structure of a rolling mill shielding apparatus of the present invention.
4B is a front view showing the operation of the rolling mill shielding apparatus of the present invention.
5 is a plan view showing the structure of the lid in the cover portion of the present invention.
6 is a plan view showing a state in which the cover of the side cover portion of the present invention is opened,
7 is a plan view showing a state in which the lid of the front cover part of the present invention is opened.

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

FIG. 1 is a perspective view showing a structure of a rolling mill shielding apparatus 1 of the present invention viewed from the rear, and FIG. 2 is a perspective view showing the structure of a rolling mill shielding apparatus 1 of the present invention from the front.

In the present invention, an apparatus for shielding a rolling mill (not shown), and the constitution of the rolling mill itself is well known in the art, so the description of the structure of the rolling mill is omitted in the present invention.

In the present invention, the rolling mill shielding apparatus 1 comprises first to fourth shielding members 10, 20, 30, and 40 which surround the rolling mill in four directions as surrounding means and to the shielding members 10, 20, 30 and 40 (3) and an outlet (4) are formed in the second and fourth shield members (20, 40), respectively, so that the material is fed and discharged by the rolling mill .

The first shielding member 10 is located on the side of the rolling mill and is connected to the second shielding member 20 and the fourth shielding member 40. The first shielding member 10 is provided with a door 11 through which an operator can enter into the rolling mill shielding apparatus 1 and includes a roll access unit 12 which is opened to perform operations such as replacing rolls of the rolling mill do. A shutter 51 is disposed in the roll access portion 12 to open the inside of the rolling shutter 1 only at the time of a roll replacement operation or the like. On the other hand, on the upper side of the first shielding member 10, a first opening and closing part 50 connected to the shutter 51 and winding the shutter 51 is disposed.

The second shielding member 20 is located on the front surface of the rolling mill, that is, on the material supply side of the rolling mill, and is perpendicularly connected to the first and third shielding members 10 and 30. Since the second shielding member 20 is located on the front surface of the rolling mill, an inlet 3 for introducing the material into the rolling mill is formed. Above the inlet 3, the opening and closing door 21 . In this embodiment, the opening and closing door 21 is composed of two pieces and is rotated around the hinges on both sides. However, the opening / closing door 21 may be formed as a single member and rotated around the hinge formed on one side Of course.

The second shielding member 20 may be provided with auxiliary opening and closing portions 22 and 23 on both sides of the opening and closing door 21 and the auxiliary opening and closing portions 22 and 23 may include a shutter which is moved in the vertical direction .

The second shielding member 20 is provided at the entrance 3 side with a camera 91 serving as monitoring means for monitoring the condition of the entrance of the rolling mill and thereby the portion covered by the rolling mill shielding apparatus 1 It can be confirmed without entering the operator through the door 11. It is preferable that the camera 91 is disposed with the illumination for photographing and transmitting the internal space.

The third shielding member 30 is located on the side of the rolling mill and is perpendicularly connected to the second and fourth shielding members 20 and 40. The third shielding member 30 includes a roll access portion which is opened to perform operations such as replacement of rolls of the rolling mill, similar to the first shielding member 10. A shutter 61 is disposed in the roll access portion to open the inside and the outside of the rolling shutter 1 only at the time of a roll replacement operation or the like. An upper portion of the third shielding member 30 is provided with a second opening / closing portion 60 connected to the shutter 61 for winding the shutter 61.

The fourth shielding member 40 is located on the rear surface of the rolling mill and is perpendicular to the first shielding member 10 and is not connected to the third shielding member 30 in this embodiment. However, it goes without saying that it may be connected to the third shielding member 30 in a vertical direction. Since the fourth shielding member 40 is located on the rear side of the rolling mill, the fourth shielding member 40 includes an outlet 4 through which the rolled material is discharged through the rolling mill. The fourth shielding member 40 may be provided with an air passage 102 for discharging the air inside the rolling mill shielding apparatus 1. Such an air passage 102 is a passage through which the air inside the air is discharged by the fan 101 (see FIG. 3).

A camera 90 is provided on the fourth shielding member 40 as a monitoring means for monitoring the state of the exit of the rolling mill and is disposed on the side of the exit 4, It is possible to confirm the portion covered by the apparatus 1 through the door 11 without entering the operator. The camera 90 is preferably disposed with the illumination to capture and transmit the interior space.

In the present embodiment, the shielding members 10, 20, 30 and 40 are described as using the first to fourth shielding members vertically connected to each other in such a manner as to surround the four sides, but if it surrounds the rolling mill, It is of course possible to connect the shielding member in a manner of surrounding the eight sides, and it is needless to say that another method can be used as long as it can separate the inside air and the outside air by surrounding the periphery of the rolling mill.

The rolling mill shielding apparatus 1 of the present invention further includes a cover member 5 connected to the first to fourth shield members 10, 20, 30, 40 and parallel to the ground and disposed on the upper surface of the rolling mill do.

The cover member 5 covers the upper surface of the rolling mill and is formed with a work passage 2 through which the worker can perform work on the upper part of the rolling mill. The cover member 5 is provided with lids 70 and 80 which can be opened and closed so that the hooks of the crane or the hoist inside the factory enter into the inside of the rolling mill shielding apparatus 1 or the rolling rolls etc. are connected to the hooks of the crane or the hoist . The covers 70 and 80 are connected to the cylinders 71 and 81 to be opened and closed. Alternatively, only the opening 88 through which the hook of the crane or the hoist can be inserted is provided, and it may be constructed without a separate cover, and the operator may manually open and close the cover instead of the cylinders 71 and 81.

As described above, the rolling mill shielding apparatus 1 according to the present invention surrounds the rolling mill in all directions with the shielding members 10, 20, 30 and 40 and covers the upper surface with the cover member 5, It can not be taken out by the rolling mill shielding apparatus 1 of the present invention and can be accommodated therein.

That is, since the foreign matter is not scattered to the outside and is stored in the rolling mill shielding apparatus 1, the foreign substances of the rolling mill are not discharged to the workers working outside, so that the working environment can be improved.

However, in the case of a rolling mill, it is necessary to periodically change the rolling rolls, which can cause work troubles in the rolling mill. Therefore, the rolling mill shielding apparatus 1 includes the opening and closing parts 50 and 60, the opening and closing door 21, the door 11, and the auxiliary opening and closing parts 22 and 23 for replacing the rolling roll of the rolling mill or for maintenance of the internal equipment .

Further, since the inside and the outside of the rolling mill are shielded by the rolling mill shielding apparatus 1, it is impossible to check the state of the rolling mill from the outside as in the prior art. Therefore, cameras 90, It is possible to monitor and, therefore, the operator is able to perform the same work in a more pleasant environment.

3 is a plan view showing a structure of a rolling mill shielding apparatus of the present invention.

As shown in FIG. 3, a cleaning pipe 110 is disposed inside the shielding member 10, 20, 30, 40 of the present invention as a water spraying portion. A plurality of cleaning nozzles 111 are arranged in the cleaning pipe 110 Thereby spraying water to the inner wall of the shielding member 10, 20, 30, 40. This is because the foreign substances generated in the rolling mill do not diffuse to the outside, so that they are buried on the inner surfaces of the shielding members 10, 20, 30 and 40, so that they are removed.

In addition, fans (100, 101) as air guiding means for making a flow of air to discharge the air in the internal space isolated by the rolling mill shielding apparatus (1) to the air passage (102) , 101 guide the inside air to the air passage (102), and draw air inside the rolling mill shielding apparatus (1) containing foreign matter.

According to the present invention, since the periphery and the outside of the rolling mill are blocked by the rolling mill shielding apparatus 1 so that the foreign substances generated in the rolling mill can not escape to the outside, the foreign matter can be concentrated inside the rolling mill shielding apparatus 1, have. Accordingly, it is possible to treat foreign matter adhered to the inner wall by spraying water through the water spraying part, or to treat the foreign matter inside the air passage 102 by drawing the air inside the air passage 102, The internal air can also be maintained at a certain level.

4A and 4B show a front view of the rolling mill shielding apparatus 1 of the present invention and the operation of the opening and closing portions 50 and 60 of the rolling mill shielding apparatus 1 in this front view.

4A, when the rolling mill operates normally, the opening and closing portions 50, 60, the opening and closing door 21, and the auxiliary opening and closing portions 22, 23 of the rolling mill shielding apparatus 1 are all closed, Only the inlet 3 and the outlet 4 are opened.

However, in the case of replacing the roll of the rolling mill, in particular the rolling roll or the backup roll, the hook of the crane must enter the inside of the rolling mill shielding device 1. Accordingly, the opening and closing portions 50 and 60 of the present invention operate.

This operation is well illustrated in FIG. 4B. The shutter 51 which has closed the roll-in portion 12 is connected to one side of the shutter 51 and is wound by the winding portion 55 accommodated in the opening / closing portion 50 All. The winding section 55 is connected to a rotation driving section (not shown) and rotated so that the shutter is wound inside the opening and closing section 50. Thereafter, the opening and closing part 50 is moved along the guides 52 and 53 (see FIG. 1) formed above the second and fourth shielding members 20 and 40 by the moving part (not shown) As shown in FIG.

At this time, not only the first opening and closing part 50 but also the second opening and closing part 60 are wound on the winding part in the same manner as the first opening and closing part 50 and the second opening and closing part 60 is wound on the rolling shield device 1, As shown in FIG. As the opening and closing portions 50 and 60 are moved to the inside of the rolling shutter 1, the hooks of the crane and the opening and closing portions 50 and 60 can be prevented from interfering with each other.

In the present invention, the cover member 5 includes a lid 70 80. A specific configuration of the lid 70 of the cover member 5 is shown in Fig.

5, the lid 70 is connected to the rod 72 of the cylinder 71 by a hinge 73 and the cover member 5 by a hinge 75. The cylinder 71 is connected to the cover member 5 by a hinge (74). Therefore, when the rod 72 of the cylinder 71 comes out, the lid 70 closes the corresponding opening, and when the rod 72 of the cylinder 71 enters, the lid 70 opens the corresponding opening Open.

6 and 7 show the relationship between the movement of the lid 70 and the movement of the opening and closing part 50 and the lid 80 and the opening and closing door 21.

6, when the first opening and closing part 50 is moved into the rolling mill gear device 1 along the guides 52 and 53 after the shutter 51 is wound, the cover 70 ) Is opened.

6, the first opening and closing part 50 in the rolling mill shielding device 1 is moved to the inside of the rolling mill gear device 1 after the shutter 51 is wound around the roller 51, (See Figure 2) is open. Further, when the lid 70 is then opened, the space 79 into which the hook of the crane enters is opened. The space 79 is connected to the roll exit 12 so that the hook of the crane that has entered the space 79 can escape from the inside of the mill through the roll entrance 12 together with the roll, On the other hand, a roll caught by the hook of the crane from the outside may enter the inside of the rolling mill shielding apparatus 1.

 That is, the rolling mill shielding apparatus 1 of the present invention may not cause interference with the hook of the crane, and it is possible to use a ceiling crane or a crane for replacing the rolling roll, (See FIG. 2) along with the roll-out portion 12 (see FIG. 2). Likewise, a rolling roll or a back-up roll can be introduced into the rolling mill shielding device 1 from the outside through a crane.

7, when the edger roll of the rolling mill is changed, the opening / closing door 21 is opened and the lid 80 is opened so that the space 89 in which the hook of the hoist or the crane can enter can be opened 6, the space is connected to the opening / closing door 21, so that the hook of the crane or the hoist that has entered the open space 89 by opening the lid 80 is opened and closed by the rolling door 21, It is possible to escape to the outside of the shielding apparatus 1.

As described above, the rolling mill shielding apparatus 1 according to the present invention separates the internal space in which the rolling mill is disposed and the external working environment by surrounding the rolling mill, so that the foreign matter generated in the rolling mill is not scattered to the external working environment, A pleasant environment can be provided to the operator of the vehicle.

Further, in the present invention, when the inside space of the rolling mill and the external working environment are separated from each other, it is possible to utilize a crane or a hoist when the rolling mill such as roll change of the rolling mill and the external work environment need to be exchanged. So that the working environment can be improved.

Further, in the present invention, it is easier for the operator to grasp the state of the rolling mill through the monitoring device as well as improve the environment of the space inside the rolling mill through the water spraying unit and the air guide means.

1: Rolling Mill Shielding Device 2: Work Path
3: entrance 4: exit
5: cover member 10, 20, 30, 40: shielding means
11: door 21: opening / closing door
22, 23: auxiliary opening / closing part 50: first opening /
51: Shutter 52, 53: Guide
60: second opening and closing part 61: shutter
62, 63: guide 70, 80: cover
90, 91: Camera 100: Fan
110: Cleaning pipe 111: Cleaning nozzle

Claims (8)

Surrounding means surrounding the rolling mill
An inlet and an outlet configured to supply and discharge material to and from the mill,
Wherein said enclosing means comprises an opening and closing portion configured to open and close a passage communicating with the outside to allow the rolling of the rolling mill to escape,
Wherein the opening and closing part is provided above the inlet and at positions corresponding to both sides of the rolling mill. The method according to claim 1,
The enclosing means
A shielding member surrounding the side surface and front and rear surfaces of the rolling mill
And a cover member covering an upper surface of the rolling mill. 3. The method according to claim 1 or 2,
Further comprising a water spraying portion disposed on an inner surface of the enclosing means for spraying a fluid into a space surrounded by the enclosing means,
Wherein the sprayer comprises a wash pipe connected to the surrounding means and a wash nozzle connected to the wash pipe. The method according to claim 1,
Monitoring means mounted on an inner surface of the enclosing means and arranged to observe the state of the rolling mill; And air guiding means disposed in a space surrounded by said enclosing means for guiding an internal air flow. delete The method according to claim 1,
Wherein the enclosing means further comprises auxiliary opening / closing portions formed on both sides of the opening / closing portion formed above the inlet,
The opening and closing portions provided at positions corresponding to both sides of the rolling mill include a shutter movable in the vertical direction along the enclosing means, a winding portion winding the shutter at the upper portion of the shutter, and a moving portion moving the shutter and the winding portion in the inward direction In addition,
Wherein the opening / closing portion provided above the inlet includes an opening / closing door rotatably opened by a hinge. 3. The method of claim 2,
Wherein the cover member includes an opening connected to the opening and closing portion, and an openable lid is disposed in the opening, so that a passageway for the hook of the hoist or crane located in the upper portion of the rolling mill is formed. The method according to claim 6,
Wherein the moving part of the opening and closing part including the shutter is provided on both sides of the rolling mill and is controlled to interlock with each other.

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