KR102080171B1 - Device for removing fume - Google Patents

Abstract

The fume removing device according to an embodiment of the present invention is located in the main body, the main body, the injection unit for spraying the mist to the steel sheet passing through the main body, a plurality of traps to collect the fumes generated in the main body and discharged out of the main body And a collecting part including a plurality of collecting plates bent to have a horizontal surface with the steel plate, and a collecting plate including a support plate spaced apart from one end of the collecting plate to form a discharge space. A plurality of collecting plates are stacked at regular intervals to form a plurality of collecting spaces connected to the discharge space.

Description

Fume removal device {DEVICE FOR REMOVING FUME}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fume removing apparatus, and more particularly, to an apparatus for removing fume generated when producing a coated steel sheet.

Steel products may be manufactured from plated steel sheets in a continuous plating process, if necessary. The continuous steel sheet passes through a plating bath in which a plating solution such as zinc is stored in the plating process, and cools the plating liquid in a molten state attached to the surface of the steel sheet to produce a coated steel sheet.

In general, the thickness of the plated steel sheet is 500 to 1000 µm, but in order to produce a plated steel sheet having a thickness of less than 100 µm thinner than this, it is produced by spraying immediately before the plating layer is solidified.

The core technology of such a plated steel sheet is to minimize the size of the spangles on the surface of the plated layer, and the spraying temperature is excellent only when the spraying is performed just before the plated layer is solidified. If sprayed at too high temperature, the solidification progresses after passing through the spray zone, and the sequins are formed late. If sprayed at too low temperature, solidification proceeds before passing the spray zone. Can not.

As such, because the mist-type solution is sprayed before the plating layer is solidified, a part of the solution is attached to the surface of the plated steel sheet, but the remaining unattached solution is made of fume and flows to the top or falls to the bottom. At this time, the scattered fume is attached to the installation causes a failure, and when the aggregates fall to the lower portion in the form of agglomeration, the function of the air knife located in the lower portion of the injection device is reduced.

Air knives play an important role in determining the thickness of the coating. When the function is degraded by the fume, the quality of the product is also degraded.

Accordingly, the present invention is to provide a plating apparatus capable of producing a high-quality coated steel sheet by completely removing the fume and lump-like plating powder generated during the plating process, thereby preventing the fixing of the facility and the deterioration of the function.

The fume removing device according to an embodiment of the present invention is located in the main body, the main body, the injection unit for spraying the mist to the steel sheet passing through the main body, a plurality of traps to collect the fumes generated in the main body and discharged out of the main body And a collecting part including a plurality of collecting plates bent to have a horizontal surface with the steel plate, a collecting plate including a support plate spaced apart from one end of the collecting plate to form a discharge space, and formed in the supporting plate. A plurality of collecting plates are stacked at regular intervals to form a plurality of collecting spaces connected to the discharge space.

The plurality of collecting plates may have different widths.

The plurality of collecting plates may be stacked such that the width gradually changes.

The collection space may be connected to the inside of the body through the inlet.

The inlet may be formed between the bent portions of the neighboring collecting plate.

The inlet can be open towards the jet.

The collecting unit may be located at left and right sides of an upper portion of the main body, and left and right sides of a lower portion of the main body, respectively, and left and right sides may be opposite to the center of the steel sheet.

The width of the collecting plate may be longer toward the upper portion of the main body, and the width of the collecting plate may be longer toward the lower portion of the main body.

A gear shaft respectively inserted in the collecting space, a motor for rotating the gear shaft, and a removing portion located in the collecting space and coupled to the gear shaft, respectively, wherein the removing portion may move along the gear shaft by driving of the motor. .

The removal unit is formed in the body through which the gear shaft penetrates, a pair of spaces respectively located on opposite sides of the gear shaft, a pair of pressure plates respectively positioned in the space, a spring located below the pressure plate, spring One end is connected to the lower portion of the pressing plate through the inside, and the other end may include a pair of connecting rods positioned outside the body, and a contact portion connected to the other end of the pair of connecting rods.

The pressure plate, the connecting rod, and the contact portion may include a flow path for discharging the agent flowing into the space into the collection space.

The gear shaft and the removal unit are coupled through threads, and the threads located in different collection spaces may have different pitches.

The body includes a movement path through which the fume moves, the movement path may be located between the gear shaft and the space.

Using a fume removal device according to an embodiment of the present invention can be easily collected by removing the fumes scattered easily.

1 is a schematic cross-sectional view of a fume removing device according to an embodiment of the present invention.
FIG. 2 is a schematic plan view of the fume removing device shown in FIG. 1.
3 and 4 are schematic cross-sectional views of the collecting part of the fume removing device shown in FIG.
FIG. 5 is a cross-sectional view schematically illustrating a driving unit of the fume removing device illustrated in FIG. 1.
FIG. 6 is a perspective view illustrating a schematic cross section of a removing unit of the fume removing device illustrated in FIG. 1.
FIG. 7 is a cross-sectional view taken from the direction A of FIG. 6.
8 and 9 are views for explaining the movement of the removal unit according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and like reference numerals designate like elements throughout the specification.

In the following detailed description, the names of the configurations are divided into first, second, and the like in order to distinguish them in the same relationship, and the description is not necessarily limited to the order in the following description. Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, except to exclude other components unless specifically stated otherwise.

In addition, the terms "... unit", "... means", "... part", "... member", etc. described in the specification refer to a unit of a comprehensive configuration that performs at least one function or operation. it means.

Hereinafter, a fume removing apparatus according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a schematic cross-sectional view of a fume removing device according to an embodiment of the present invention, and FIG. 2 is a schematic plan view of the fume removing device shown in FIG. 1.

1 and 2, the steel sheet 10 is immersed in the plating bath 12 through the roller (R) and then moved to the injection unit 100. The injection unit 100 may inject a high pressure solution into the steel sheet 10 in the form of a mist, and a part of the injected solution may be scattered in the form of a fume without being attached to the steel sheet 10.

The fume removing device according to an embodiment of the present invention is for removing fumes generated during a plating process of forming a plating layer on a steel sheet, and includes a main body 200 and a collecting part 300 installed in a space formed of the main body 200. ).

The main body 200 includes a bottom plate 21 and a top plate 22 spaced apart from each other and facing each other, and a pair of side plates 23 connecting them.

The side plate 23 may be installed to surround the injection unit 100 to prevent the fume from scattering and to collect and discharge the fume into the collecting unit 300. The side plate 23 may be made of a material that is transparent so that the inside can be seen and has rigidity that withstands external impact.

The top plate 22 reinforces the bottom plate 21 so that the side plate 23 can be more firmly installed. An opening may be formed in the bottom plate 21 and the top plate 22 so that the steel plate 10 may pass, and the side plate 23 may be formed long in the direction in which the steel plate 10 moves.

The side plate 23 is connected with a cylinder 24 for moving the side plate 23 to open and close the main body.

The collecting part 300 is located in the internal space E of the main body 200. When referred to as the top and bottom along the direction in which the steel sheet moves, the collecting part 300 may be located on the left and right of the upper portion of the inner space of the main body 200, respectively, and may be located on the left and right of the bottom, respectively. The left and right sides may be opposite to the plated plate.

3 and 4 are schematic cross-sectional views of the collecting part of the fume removing device shown in FIG. 1, and FIG. 5 is a schematic cross-sectional view of the driving part of the fume removing device shown in FIG.

Referring to FIGS. 3 and 4, the collecting unit 300 includes a collection container 400 forming spaces SA and SB for collecting the fume, a discharge port 43 for discharging the fume, and a driving unit 500 for moving the fume. ).

Collection tube 400 forms a collecting space (SA) for collecting the fume therein, a plurality of collecting plates 41, a plurality of collecting plates 41 which are spaced apart from each other and divided into a plurality of collecting spaces (SA). The support plate 42 is spaced apart from one end of the) and forms the discharge space SB.

The plurality of collecting plates 41 may be spaced apart from each other at regular intervals, and may be bent toward the inside of the main body. When the distance from one end of the collecting plate 41 to the bent portion is referred to as the width W, the plurality of collecting plates 41 may be formed to have different widths W. Therefore, one surface of the bent portion bent from the collecting plate 41 may be parallel to the steel plate 10.

The plurality of collecting plates 41 may be stacked to gradually increase or decrease the width, for example, the width W of the collecting plate 41 is longer or closer to the upper plate 22, or the lower plate 21 is disposed. It may be arranged so that the width of the collecting plate becomes longer as it is adjacent to.

Therefore, a gap is generated between neighboring collecting plates 41, and the gap is an inlet 44 through which the fume moves into the collection tube 400.

The magnetic plate 68 is attached to the collecting plate 41 having the longest width. The magnetic plate 68 may be disposed opposite to the steel plate 10 and may have the same polarity. The magnetic plate 68 disposed on the opposite side of the steel plate pushes the steel plate 10 (see FIGS. 1 and 2) so that the steel plate 10 does not come into close contact with the collecting plate 41 and maintains a constant gap. .

On the other hand, the discharge port 43 may be installed in the support plate 42, it may be a discharge pipe or discharge hole formed to communicate with the discharge space (SB). The fume collected in the collection space of the collection container may be moved to the discharge space SB and discharged to the outside through the discharge port 43. Therefore, the discharge port 43 is preferably located outside the main body 200. Alternatively, a separate pipe (not shown) may be connected to the discharge port 43 and discharged to the outside. 3 and 5, the driving unit 500 includes a gear shaft 51 installed in each collection space SA, a gear portion 52 connected to one side of the gear shaft 51, and a gear portion 52. It is connected to the) includes a motor 53 for driving the gear unit 52.

The gear shaft 51 is inserted in the width W direction of the collecting space SA, and the first gear 52a is connected to one side of each gear shaft 51. The teeth of the second gear 52b for changing the direction are engaged between the neighboring first gears 52a. The second gear 52b may be connected to the support shaft 54 rotatably connected to the support plate 42, or may be connected to the motor 53.

When the motor 53 is operated, the second gear 52b connected to the motor rotates, and the first gear 52a and the second gear 52b rotate in series. In this case, the motor 53 may be a motor capable of rotating in both forward and reverse directions.

The pitch P between the threads formed on the gear shaft 51 may be formed differently depending on the length of the gear shaft 51. For example, the longer the length of the gear shaft 51, the longer the pitch P between the threads, and the shorter the length of the gear shaft 51, the shorter the pitch P between the threads.

Meanwhile, referring to FIG. 3, the removal unit 600 is coupled to the gear shaft 51.

FIG. 6 is a perspective view showing a schematic cross section of the removal unit of the fume removing device shown in FIG. 1, and FIG. 7 is a sectional view seen from the direction A of FIG. 6.

6 and 7, the removing unit 600 is located in the body 61 and the space SC of the body 61, each having a pair of spaces SC to which an agent is supplied, respectively. An elastic member 62, a pressure plate 63 connected to the elastic member 62, respectively, a connecting rod 64 having one end connected to the lower surface of the pressing plate 63, and a contact portion 65 connected to the other end of the connecting rod 64. ). At this time, the connecting rod 64 is inserted into the through hole formed in the lower portion of the body (61). Therefore, one end of the connecting rod 64 is located in the space SC, and the other end is located outside the body 61.

The body 61 may be connected to a supply pipe 66 for supplying an agent, for example, air, oil, and cooling water, to the space SC. The spaces SC are respectively located on opposite sides about the gear shaft 51.

The elastic member 62 may be a spring. O-ring 67 may be coupled to the circumference of the pressure plate 63. The o-ring 67 can eliminate the gap between the pressure plate 63 and the body 61, thereby preventing the agent from moving to the gap.

The contact portion 65 is connected to the pair of connecting rods 64 and may be formed long in a direction (or a depth direction) intersecting the gear shaft 51. Accordingly, the removal unit 600 may be positioned along the contact unit 65 across the collection space SA.

As such, since the removal unit 600 is positioned across the collection space SA, the fume passing through the inlet may not be easily moved into the collection space SA. Therefore, the removal part 600 may be formed with a moving path SD to which the fume moves. The movement paths SD are respectively positioned on both sides of the gear shaft 51 and are located between the space SC and the gear shaft 51 into which the operating agent flows.

When the contact portion 65 is pressed by the connecting rod 64, the contact portion 65 is in close contact with the surface of the collecting plate 41 (see Fig. 9). Therefore, the contact part 65 may be formed of a flexible and elastic material so that a wound does not occur on the surface of the collecting plate 41. The size (or area) of the upper surface of the contact portion 65 is larger than the size (or area) of the through hole through which the connecting rod 64 penetrates. When the contact portion 65 is not pressurized, the through hole is formed by the contact portion 65. This can be prevented.

The agent pressurizes the pressure plate 63 while being injected at a constant pressure into the space SC of the body 61. Therefore, the elastic member 62 connected to the pressure plate 63 is pressed and contracted. As a result, the contact portion 65 connected to the connecting rod 64 moves in a direction away from the body 61 so that the contact portion 65 is collected from the collecting plate ( Contact with the surface of 41).

On the contrary, when the pressure applied to the pressure plate 63 is removed, by the elasticity of the elastic member 62, the elastic member 62 is relaxed and the contact portion 65 connected to the pressure plate 63 and the connecting rod 64 is the body 61. ), It is separated from the surface of the collecting plate 41.

Inside the pressure plate 63, the connecting rod 64, and the contact portion 65, a flow path 67 in which the agent is movable is formed. Therefore, when the agent flows into the body 61 to press the pressure plate 63, the agent moves through the flow path 67 and is discharged into the collecting space SA (see FIG. 3). At this time, the agent is discharged out of the flow path at a constant pressure.

8 and 9 are views for explaining the movement of the removal unit according to an embodiment of the present invention.

3 and 8, the removal unit 600 is coupled to mesh with the gear shaft 51 through a thread. Therefore, when the motor 53 is driven, the removal unit 600 moves along the gear shaft 51. For example, when the motor 53 rotates forward, as shown in FIG. 8, the removal unit 600 moves in a direction adjacent to the motor 53. On the contrary, when the motor 53 rotates in reverse, the removing unit 600 may move away from the motor 53 as shown in FIG. 5. On the contrary, in the forward rotation, the motor 53 may move away from the motor 53, and in the reverse rotation, the motor 53 may be adjacent to the motor 53.

The pitch P between the threads formed on the gear shaft 51 may be formed differently depending on the length of the gear shaft 51. For example, the longer the length of the gear shaft 51, the longer the pitch P between the threads, and the shorter the length of the gear shaft 51, the shorter the pitch P between the threads.

This is because the widths W of the collection spaces SA are different from each other, and the distance that the removal unit 600 moves is different, whereas each gear shaft is driven by one motor 53. Therefore, while the gear shaft 51 is rotated once, the moving distance of the removal unit 600 connected to the gear pitch 51 having a long pitch moves relative to the removal unit 600 connected to the gear shaft 51 having a relatively short pitch. Since the distance is long, the removal unit 600 connected to different gear shafts may be simultaneously moved to the discharge space SB.

Using the fume removal device according to an embodiment of the present invention described above can easily remove the fume.

As shown in FIG. 1, the steel sheet 12 having passed through the plating bath 10 moves to the spray unit 100 of the fume removing device, and the spray unit 100 sprays mist onto the steel plate 12. The steel sheet 12 moves out of the fume removing apparatus past the spraying part 100.

On the other hand, the fume generated by the mist injection may be scattered inside the main body 200. The fume may be moved to the upper or lower portion of the main body 200 and collected in the collecting space SA in the collection container 400 through the inlet 44. After collecting the fume for a predetermined time, the driving unit 500 is operated.

Specifically, referring to FIG. 9, the agonist flows into the space SC of the removal unit, and the contact part 65 moves to the collecting plate 41 while the pressure plate 63 is pressed by the agonist (see arrow). Contact. Thereafter, the motor 53 of the driving unit is operated.

When the motor 53 starts forward rotation, as shown in FIG. 8, the removal unit 600 moves along the gear shaft 51 toward the discharge space SB (see arrow), and the fume of the collecting space SB is discharged. It moves with the contact part 65 to the discharge space SB.

Thereafter, the fume moved to the discharge space SB may be discharged to the outside through the discharge port 63. In this case, a vacuum pump may be connected to the discharge port 63 to facilitate discharge.

When the discharge of the fume is completed, the supply of the agonist is stopped as shown in FIG. When the supply of the agent is stopped, the connecting rod 64 is moved into the space SC by the elastic member 62, and the contact portion 65 is separated from the collecting plate 41. Then, the motor 53 is rotated in reverse to move the remover 600 back to the inlet 44 (see FIG. 3).

This fume removal process may be repeatedly performed at a certain time, or may be performed after one steel plate plating operation is completed.

Although preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings.

10: steel plate 12: plating bath
21: top plate 22: bottom plate
24: cylinder 41: collecting plate
42: support plate 43: outlet
44: inlet 51: gear shaft
52: gear 53: motor
61: body 62: elastic member
63: pressure plate 64: connecting rod
65 contact portion 68 magnetic plate
100: injection part 200: main body
300: collecting unit 400: collection
500: drive unit 600: removal unit

Claims (13)

main body,
An injection unit located in the main body and spraying mist onto the steel sheet passing through the main body,
A plurality of collecting parts for collecting the fumes generated in the main body and then discharging them out of the main body;
Including;
The collecting part may include a plurality of collecting plates bent to have a horizontal surface with the steel plate, and a collecting plate including a support plate spaced apart from one end of the collecting plate to form a discharge space.
An outlet formed in the support plate and communicating with the discharge space
Including;
The plurality of collecting plates are stacked at regular intervals to form a plurality of collecting spaces connected to the discharge space,
The plurality of collecting plate has a fume removal device having a different width. delete In claim 1,
And said plurality of collecting plates are stacked such that the width changes gradually. In claim 3,
The collection space is a fume removal device is connected through the inlet and the inside of the body. In claim 4,
The inlet is the fume removal device is formed between the bent portion of the adjacent collecting plate. In claim 5,
And the inlet is open toward the jet. In claim 3,
The collection portion is located on the left and right of the upper portion of the main body, the left and right of the lower portion of the main body, respectively
The left and the right is a fume removing device opposite to the center of the steel sheet. In claim 7,
The width of the collecting plate is longer toward the top of the body,
The width of the collecting plate is a fume removal device that becomes longer toward the lower portion of the main body. In claim 1,
Gear shafts respectively inserted in the collecting spaces;
A motor for rotating the gear shaft,
Located in the collecting space, each removal portion coupled to the gear shaft
Including,
And a removal unit moving along the gear shaft by driving the motor. In claim 9,
The removal unit body through which the gear shaft passes,
A pair of spaces formed in the body and positioned on opposite sides of the gear shaft,
A pair of pressure plates, each located in the space,
An elastic member positioned below the pressing plate,
A pair of connecting rods having one end connected to a lower portion of the pressure plate through the inside of the body and the other end positioned outside the body;
A contact portion connected to the other end of the pair of connecting rods
Fume removal device comprising a. In claim 10,
The pressure plate, the connecting rod and the contact portion flow path for discharging the agent flowing into the space into the collection space
Fume removal device comprising a. In claim 9,
The gear shaft and the removal portion is coupled through a thread,
Fume removal device having a different pitch of the threads located in different collection spaces. In claim 10,
The body is a passage through which the hume moves through the body
Including,
And the moving path is located between the gear shaft and the space.

Images