WO2012148069A1 - 수증기 차단장치 - Google Patents

수증기 차단장치 Download PDF

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Publication number
WO2012148069A1
WO2012148069A1 PCT/KR2011/010011 KR2011010011W WO2012148069A1 WO 2012148069 A1 WO2012148069 A1 WO 2012148069A1 KR 2011010011 W KR2011010011 W KR 2011010011W WO 2012148069 A1 WO2012148069 A1 WO 2012148069A1
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WO
WIPO (PCT)
Prior art keywords
unit
water vapor
blocking device
width measuring
rolling
Prior art date
Application number
PCT/KR2011/010011
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
박영국
임종협
김형진
남호진
신진욱
이관형
최현준
Original Assignee
현대제철 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020110039422A external-priority patent/KR101257476B1/ko
Priority claimed from KR1020110051144A external-priority patent/KR101291561B1/ko
Application filed by 현대제철 주식회사 filed Critical 현대제철 주식회사
Priority to CN201180070432.4A priority Critical patent/CN103492093B/zh
Priority to JP2014508274A priority patent/JP5869103B2/ja
Publication of WO2012148069A1 publication Critical patent/WO2012148069A1/ko
Priority to US14/065,249 priority patent/US20140047886A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B21B37/76—Cooling control on the run-out table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product

Definitions

  • the present invention relates to a water vapor blocking device, and more particularly to a water vapor blocking device that can improve the width measurement accuracy of the material by blocking the water vapor generated by evaporation of the washing water injected from the descaler to the width measuring unit. It is about.
  • steel production consists of a steelmaking process for producing molten iron, a steelmaking process for removing impurities from molten iron, a regeneration process in which iron in a liquid state becomes a solid, and a rolling process in which iron is made of steel or wire.
  • the rolling process refers to a process in which intermediate materials such as slabs and blooms produced in the playing process are passed between several rotating rollers to be stretched or thinned by applying a continuous force, and are roughly divided into hot rolling and cold rolling.
  • An object of the present invention is to provide a water vapor blocking device that can improve the width measurement accuracy of the material by blocking the water vapor generated by evaporation of the washing water injected from the descaler to the width measuring unit.
  • Water vapor blocking device for rolling a material: a rolling unit for rolling a material; A conveying roller part disposed at the rear of the rolling part to convey the material sent from the rolling part; A descaler part disposed above the feed roller part and configured to spray washing water toward the feed roller part; A width measuring unit disposed behind the descaler and measuring a width of the material; And a shielding portion disposed between the descaler portion and the width measuring portion and blocking water vapor generated by evaporation of the washing water from flowing into the width measuring portion.
  • the shielding portion Preferably, the shielding portion, the body portion fixed to the external device; And a rotating part rotatably coupled to the body part.
  • the shielding portion further includes a fluid injection portion provided below the rotating portion and for injecting a fluid toward the feed roller portion.
  • the fluid injection portion the connection tube in communication with an external source to supply the fluid; Branch pipe branched from the connecting pipe; And a nozzle provided in the branch pipe to inject a fluid toward the feed roller.
  • the lifting unit coupled with the shield for lifting the shield; And a control unit for controlling the operation of the lifting unit.
  • the lifting unit the drive motor fixed to the external device; A rotary gear connected to the drive motor and rotated by driving of the drive motor; A rack gear meshed with the rotary gear and lifted by the rotation of the rotary gear; And a connecting plate having one side coupled to the rack gear and the other side coupled to the shield.
  • the control unit to operate the drive motor based on the distance to the material measured by the displacement sensor To control.
  • Water vapor blocking device for rolling a material; A conveying roller part disposed at the rear of the rolling part to convey the material sent from the rolling part; A descaler part disposed above the feed roller part and configured to spray washing water toward the feed roller part; A width measuring unit disposed behind the descaler and measuring a width of the material; And a shield disposed between the descaler unit and the width measuring unit, and sucking air on the width measuring unit side to inject air toward the conveying roller unit to prevent water vapor generated by evaporation of the washing water from flowing into the width measuring unit. Contains wealth.
  • the shielding portion the body portion fixed to the external device; And it is rotatably coupled to the lower end of the body portion, and includes an air curtain portion for injecting the air on the side of the width measuring unit and sprayed toward the feed roller.
  • the air curtain portion the inlet is formed on the side facing the width measuring portion, the discharge port is formed on the side facing the feed roller portion;
  • a fan rotatably installed in the case; And a fan motor disposed inside the case and rotating the fan.
  • the lifting unit coupled with the shield for lifting the shield; And a control unit for controlling the operation of the lifting unit.
  • the lifting unit the drive motor fixed to the external device; A rotary gear connected to the drive motor and rotated by driving of the drive motor; A rack gear meshed with the rotary gear and lifted by the rotation of the rotary gear; And a connecting plate having one side coupled to the rack gear and the other side coupled to the shield.
  • the control unit to operate the drive motor based on the distance to the material measured by the displacement sensor To control.
  • the shielding portion the body portion fixed to the connecting plate; And it is rotatably coupled to the lower end of the body portion, and includes an air curtain portion for injecting the air on the side of the width measuring unit and sprayed toward the feed roller.
  • the washing water injected from the descaler unit is prevented from entering the width measuring unit by the water vapor generated by evaporation, it is possible to accurately measure the width of the material.
  • the rotating part is rotatably coupled with respect to the body part, the impact during the collision between the material and the rotating part can be reduced.
  • the height of the shield can be adjusted to prevent the collision between the material and the shield, as well as to place the shield close to the material to minimize the movement of water vapor through the gap between the shield and the material. Can be.
  • FIG. 1 is a perspective view showing a water vapor blocking apparatus according to a first embodiment of the present invention.
  • FIG. 2 is a perspective view showing a shield of the water vapor blocking device according to the first embodiment of the present invention.
  • FIG 3 is a cross-sectional view showing a fluid injection part of the water vapor blocking device according to the first embodiment of the present invention.
  • FIG 4 is a bottom view showing a fluid injection part of the water vapor blocking device according to the first embodiment of the present invention.
  • FIG 5 is a perspective view showing a state in which the rotating unit rotates to the right in the water vapor blocking device according to the first embodiment of the present invention.
  • FIG. 6 is a perspective view showing a state in which the rotating unit rotates to the left side in the water vapor blocking device according to the first embodiment of the present invention.
  • FIG. 7 is a perspective view showing a water vapor blocking apparatus according to a second embodiment of the present invention.
  • FIG 8 is a perspective view showing a shield of the water vapor blocking device according to the second embodiment of the present invention.
  • FIG. 9 is a perspective view showing an air curtain part of the water vapor blocking device according to the second embodiment of the present invention.
  • FIG. 10 is a side view showing a water vapor blocking apparatus according to a second embodiment of the present invention.
  • FIG 11 is a view showing the operating state of the water vapor blocking device according to the second embodiment of the present invention when the front end portion of the material passes the shield.
  • FIG. 12 is a view showing an operating state of the water vapor blocking device according to the second embodiment of the present invention when the central portion of the material passes the shield.
  • FIG. 13 is a view showing the operating state of the water vapor blocking device according to the second embodiment of the present invention when the tail end portion of the material passes the shield.
  • FIG. 14 is a perspective view showing a state in which the air curtain portion is rotated to the right in the water vapor blocking device according to the second embodiment of the present invention.
  • FIG. 15 is a perspective view showing a state in which the air curtain portion is rotated to the left in the water vapor blocking device according to the second embodiment of the present invention.
  • 16 is a block diagram showing a control flow of the water vapor blocking device according to the second embodiment of the present invention.
  • FIG. 17 is a perspective view showing a water vapor blocking apparatus according to a third embodiment of the present invention.
  • FIG. 18 is a perspective view showing a shield of the water vapor blocking device according to the third embodiment of the present invention.
  • FIG. 19 is a cross-sectional view showing a fluid injection part of the water vapor blocking device according to the third embodiment of the present invention.
  • FIG. 20 is a bottom view of a fluid injection part of the water vapor blocking device according to the third embodiment of the present invention.
  • 21 is a side view showing a water vapor blocking apparatus according to a third embodiment of the present invention.
  • FIG. 22 is a view showing an operating state of the water vapor blocking device according to the third embodiment of the present invention when the front end portion of the material passes the shielding portion.
  • FIG. 23 is a view showing an operating state of the water vapor blocking device according to the third embodiment of the present invention when the central portion of the raw material passes through the shield.
  • FIG. 24 is a view showing an operating state of the water vapor blocking device according to the third embodiment of the present invention when the end portion of the material passes the shield.
  • FIG. 25 is a perspective view illustrating a state in which the fluid injection unit rotates to the right in the water vapor blocking device according to the third embodiment of the present invention.
  • FIG. 26 is a perspective view illustrating a state in which the fluid injection part rotates to the left in the water vapor blocking device according to the third embodiment of the present invention.
  • FIG. 27 is a block diagram showing the control flow of the water vapor blocking device according to the third embodiment of the present invention.
  • FIG. 1 is a perspective view showing a water vapor blocking device according to a first embodiment of the present invention
  • Figure 2 is a perspective view showing a shield of the water vapor blocking device according to a first embodiment of the present invention.
  • 3 is a cross-sectional view showing a fluid injection part of the water vapor blocking device according to the first embodiment of the present invention
  • Figure 4 is a bottom view showing a fluid injection part of the water vapor blocking device according to the first embodiment of the present invention.
  • 5 is a perspective view showing a state in which the rotating unit is rotated to the right in the water vapor blocking device according to the first embodiment of the present invention
  • Figure 6 is a rotating part to the left in the water vapor blocking device according to the first embodiment of the present invention A perspective view showing a state.
  • FIG. 7 is a perspective view showing a water vapor blocking device according to a second embodiment of the present invention
  • Figure 8 is a perspective view showing a shield of the water vapor blocking device according to a second embodiment of the present invention.
  • 9 is a perspective view showing an air curtain unit of the water vapor blocking device according to the second embodiment of the present invention
  • Figure 10 is a side view showing a water vapor blocking device according to a second embodiment of the present invention.
  • 11 is a view showing the operating state of the water vapor blocking apparatus according to the second embodiment of the present invention when the front end portion of the material passes the shielding portion
  • Figure 12 is a second embodiment of the present invention when the central portion of the material passes the shielding portion FIG.
  • FIG. 13 is a view showing an operating state of the water vapor blocking device according to the example, and FIG. 13 is a view showing an operating state of the water vapor blocking device according to the second embodiment of the present invention when the end of the material passes through the shield.
  • 14 is a perspective view showing a state in which the air curtain portion is rotated to the right in the water vapor blocking device according to the second embodiment of the present invention
  • Figure 15 is a left side of the air curtain unit in the water vapor blocking device according to the second embodiment of the present invention
  • 16 is a perspective view illustrating a rotating state
  • FIG. 16 is a block diagram illustrating a control flow of the water vapor blocking device according to the second embodiment of the present invention.
  • FIG. 17 is a perspective view showing a water vapor blocking device according to a third embodiment of the present invention
  • Figure 18 is a perspective view showing a shield of the water vapor blocking device according to a third embodiment of the present invention.
  • FIG. 19 is a cross-sectional view illustrating a fluid injection part of the water vapor blocking device according to the third embodiment of the present invention
  • FIG. 20 is a bottom view showing the fluid injection part of the water vapor blocking device according to the third embodiment of the present invention
  • FIG. 22 is a view showing the operating state of the water vapor blocking device according to the third embodiment of the present invention when the front end portion of the material passes the shield
  • Figure 23 is a third embodiment of the present invention when the central portion of the material passes the shield
  • 24 is a view showing an operating state of the water vapor blocking device according to the example
  • Figure 24 is a view showing the operating state of the water vapor blocking device according to the third embodiment of the present invention when the end of the material passes the shield.
  • FIG. 25 is a perspective view illustrating a state in which the fluid injection unit rotates to the right side in the water vapor blocking device according to the third embodiment of the present invention
  • FIG. 26 is a fluid injection unit to the left side in the water vapor blocking device according to the third embodiment of the present invention.
  • Fig. 27 is a block diagram showing the control flow of the water vapor blocking device according to the third embodiment of the present invention.
  • the water vapor blocking device is a rolling unit 10, the transfer roller unit 20, the descaler 30, the width measuring unit 40, shielding It comprises a portion 50.
  • the rolling part 10 rolls the raw material S to the target thickness and width so that finishing rolling may be easy in a finishing rolling process.
  • the rolling part 10 includes an upper work roll (not shown) arranged above and a lower work roll (not shown) arranged below.
  • the raw material S is rolled by the upper work roll and the lower work roll while being transported between the upper work roll and the lower work roll.
  • the raw material S rolled and sent out from the rolling unit 10 is transferred to the post process by the transfer roller unit 20.
  • the conveying roller part 20 is disposed behind the rolling part 10.
  • the conveying roller part 20 includes a conveying roller (not shown) for conveying the raw material S to a later process, and a roller support (not shown) for rotatably supporting both ends of the conveying roller.
  • the descaler portion 30 is disposed above the feed roller portion 20.
  • the descaler unit 30 removes the scale formed on the surface of the material S transported by the feed roller unit 20 by spraying high-pressure washing water toward the feed roller unit 20.
  • the descaler 30 is disposed in front of the width measuring unit 40 (see FIG. 1). Therefore, since the scale formed on the surface of the material S before passing through the width measuring part 40 is removed by the descaler 30, the measurement of the width measuring part 40 by the scale surrounding the material S is performed. It prevents the deterioration of accuracy.
  • the width measuring unit 40 is disposed above the feed roller unit 20. Width measuring unit 40 measures the width of the material (S) to be conveyed by the feed roller unit 20. Width measuring unit 40 may be made of a laser displacement sensor.
  • the laser displacement sensor is disposed above the feed roller portion 20 forming the feed path of the material S to irradiate the laser toward the feed roller portion 20.
  • the laser displacement sensor measures the width of the material S by using the laser displacement sensor.
  • the width measuring unit 40 When the width measuring unit 40 measures the width of the material S, the width measuring unit 40 transmits the width S 40 to the control unit (not shown). The control unit then controls the rolling process based on the width information of the received material (S).
  • the shield 50 is disposed above the feed roller 20.
  • the shielding part 50 is disposed between the descaler 30 and the width measuring part 40 to block the introduction of water vapor into the width measuring part 40, which may reduce the measurement accuracy of the width measuring part 40. do.
  • the washing water sprayed from the descaler 30 is vaporized after contact with the hot material S and phase changes into water vapor, and the shield 50 prevents the water vapor from entering the width measuring unit 40. .
  • the shield 50 includes a body 51, a rotation 52, and a fluid spray 54.
  • Body portion 51 is fixed to the external device (F).
  • the external device (F) may be a rolling frame or a roller table forming a frame of the rolling section 10, any other configuration if the body 51 can be disposed above the feed roller section 20 It may be.
  • Rotating portion 52 is hinged to the body portion 51 rotatably.
  • the upper end portion (see FIG. 2) of the rotating portion 52 is hinged to the lower end portion of the body portion 51 by the hinge portion 53.
  • the rotating part 52 may be freely rotated with respect to the body part 51.
  • the rotating part 52 When the material S is bounced upward in the process of being conveyed in the forward direction or in the reverse direction, the rotating part 52 is rotatably coupled to the body part 51, and thus impacts upon collision with the material S. Can be reduced.
  • FIG. 5 illustrates a state in which the rotating part 52 is rotated to the right by a collision with the raw material S during the transfer of the raw material S in the forward direction
  • FIG. 6 illustrates the raw material when the raw material S is transferred in the reverse direction.
  • the state in which the rotating part 52 rotates to the left side by the collision with (S) is shown. As such, when the collision with the material S is performed, the rotating part 52 is rotated in the advancing direction of the material S, thereby minimizing the impact due to the collision.
  • the fluid injection part 54 is provided below the rotation part 52.
  • the fluid injection part 54 injects a high pressure fluid toward the feed roller part 20, that is, the material S conveyed by the feed roller part 20, thereby providing the fluid injection part 54 and the feed roller part 20.
  • the fluid is air. In this way, since the water injected from the fluid spraying unit 54 may prevent water vapor from entering the width measuring unit 40, the width of the material S may be accurately measured through the width measuring unit 40. do.
  • the fluid injection part 54 includes a connection pipe 55, a branch pipe 56, a nozzle 57, and a housing 58.
  • the connecting pipe 55 communicates with an external source and receives fluid from the external source to guide the branch pipe 56 to the branch pipe 56.
  • a plurality of branch pipes 56 are formed by branching from the connecting pipe 55, and a plurality of branch pipes 56 are arranged in a line in the width direction of the material S. FIG. Therefore, the path in which water vapor flows into the width measurement part 40 is blocked in a wide range.
  • the nozzle 57 is provided at one end of the branch pipe 56 to inject a high pressure fluid toward the feed roller portion 20, specifically, the raw material S conveyed by the feed roller portion 20. Therefore, an air curtain is formed between the fluid injection unit 54 and the material S to block water vapor from entering the width measurement unit 40.
  • the housing 58 is configured to cover the connection pipe 55, the branch pipe 56, and the nozzle 57, and the connection pipe 55, the branch pipe 56, and the nozzle 57 collide with the material S. It prevents breakage at the time and suppresses deterioration damage in high temperature environment.
  • the water vapor blocking device is a rolling unit 110, a transfer roller unit 120, a descaler 130, a width measuring unit 140, shielding
  • the unit 150 includes a control unit 180.
  • the rolling unit 110 rolls the material S to a target thickness and width such that the material S is easily finished in the finishing rolling process.
  • the rolling unit 110 includes an upper work roll (not shown) disposed above and a lower work roll (not shown) disposed below.
  • the raw material S is rolled by the upper work roll and the lower work roll while being transported between the upper work roll and the lower work roll.
  • the raw material S rolled and sent from the rolling unit 110 is transferred to the post process by the transfer roller unit 120.
  • the conveying roller part 120 is disposed behind the rolling part 110.
  • the conveying roller part 120 includes a conveying roller (not shown) for conveying the raw material S to a later process, and a roller support (not shown) for rotatably supporting both ends of the conveying roller.
  • the descaler 130 is disposed above the feed roller 120.
  • the descaler 130 removes the scale formed on the surface of the material S transported by the feed roller 120 by spraying high-pressure washing water toward the feed roller 120.
  • the descaler 130 is disposed in front of the width measuring unit 140 (see FIG. 7). Therefore, since the scale formed on the surface of the material S before passing through the width measuring part 140 is removed by the descaler 130, the width measuring part 140 is measured by the scale surrounding the material S. It prevents the deterioration of accuracy.
  • the width measuring part 140 is disposed above the feed roller part 120.
  • Width measuring unit 140 measures the width of the material (S) to be conveyed by the feed roller 120.
  • Width measuring unit 140 may be made of a laser displacement sensor.
  • the laser displacement sensor is disposed above the feed roller part 120 forming the feed path of the material S to irradiate the laser toward the feed roller part 120.
  • the laser displacement sensor measures the width of the material S by using the laser displacement sensor.
  • the width measuring unit 140 transmits the measured width of the material S to the controller 180.
  • the control unit then controls the rolling process based on the width information of the received material (S).
  • the shielding part 150 is disposed above the feed roller part 120.
  • the shielding part 150 is disposed between the descaler 130 and the width measuring part 140 to block the introduction of water vapor into the width measuring part 140, which may reduce the measurement accuracy of the width measuring part 140. do.
  • the washing water sprayed from the descaler 130 is evaporated after being in contact with the high temperature material S to phase change into water vapor, and the shielding unit 150 prevents the water vapor from entering the width measuring unit 140. .
  • the shielding part 150 includes a body part 151 and an air curtain part 152.
  • Body portion 151 is fixed while being coupled to the external device (F) or the lifting unit (160).
  • the external device (F) may be a rolling frame or a roller table forming a frame of the rolling unit 110, any other configuration if the other body portion 151 can be disposed above the feed roller unit 120 It may be.
  • the shielding part 150 is not moved up and down, and when the body part 151 is coupled to the lifting part 160, the shielding part 150 is moved up and down. Can be.
  • the air curtain portion 152 is hingedly coupled to the body portion 151.
  • the upper end of the air curtain 152 (see FIG. 8) is hinged to the lower end of the body 151 by the hinge 153.
  • the air curtain part 152 may be freely rotated with respect to the body part 151.
  • FIG. 14 illustrates a state in which the air curtain part 152 is rotated to the right by collision with the raw material S during the transfer of the raw material S in the forward direction
  • FIG. 15 illustrates the transfer of the raw material S in the reverse direction.
  • the air curtain part 152 is rotated to the left side by the collision with the raw material S. It is shown. As such, when colliding with the material S, the air curtain part 152 is rotated in the advancing direction of the material S, thereby minimizing the impact due to the collision.
  • the air curtain part 152 injects air toward the material S transported by the feed roller part 120, that is, the feed roller part 120, thereby closing the gap between the air curtain part 152 and the material S. Through this, the water vapor is blocked from moving to the width measuring unit 140. As such, since the water injected from the air curtain unit 152 may block water vapor from entering the width measuring unit 140, the width of the material S may be accurately measured through the width measuring unit 140. do.
  • the air curtain part 152 sucks air on the width measuring part 140 side and injects toward the feed roller part 120. This eliminates the need for a separate air supply from the outside, simplifying the installation and reducing the cost.
  • the air curtain unit 152 includes a case 155, a fan 156, and a fan motor 157.
  • the case 155 is hinged to the body portion 151 and forms an outer shape of the air curtain portion 152.
  • the case 155 has a suction port 155a formed on the side facing the width measuring unit 140 and a discharge port 155b formed on the side facing the feed roller 120.
  • the fan 156 is rotatably installed in the case 155, and the fan motor 157 is disposed in the case 155, and generates power to rotate the fan 156.
  • the fan motor 157 is driven by the command of the controller 180, the fan 156 is rotated.
  • the fan 156 is rotated, the air on the width measuring unit 140 side is sucked into the case 155 through the inlet 155a and discharged toward the feed roller unit 120 through the outlet 155b.
  • the water vapor blocking device may further comprise a lifting unit 160, the displacement sensor 170.
  • the lifting unit 160 is combined with the shield 150 to lift the shield 150.
  • the lifting unit 160 includes a driving motor 161, a rotary gear 162, a rack gear 163, and a connecting plate 164.
  • the body 151 is coupled to the connecting plate 164, not the external device (F).
  • the drive motor 161 generates power and is fixed to the external device (F).
  • the external device F may be a rolling frame or a roller table constituting the frame of the rolling unit 110, any other configuration can be fixed to the drive motor 161.
  • the rotary gear 162 is connected to the drive motor 161 and is rotated by receiving power from the drive motor 161 when the drive motor 161 is driven.
  • the rack gear 163 meshes with the rotary gear 162 and is raised or lowered by the rotation of the rotary gear 162.
  • One side of the connecting plate 164 is coupled to the rack gear 163, the other side is coupled to the body portion 151 of the shielding part 150. Therefore, when the rack gear 163 is raised or lowered by the operation of the drive motor 161, the shield 150 is raised or lowered in the same direction as the rack gear 163. That is, the rising or falling of the shielding unit 150 may be controlled by controlling the operation of the driving motor 161 through the controller 180.
  • Displacement sensor 170 is installed on the connecting plate 164, and detects the distance to the material (S).
  • the displacement sensor 170 is disposed closer to the rolling unit 110 than the shield 150 so that the material S passes through the lower portion of the displacement sensor 170 earlier than the lower portion of the shield 150.
  • the displacement sensor 170 transmits the measured distance from the material S to the controller 180, and the controller 180 controls the operation of the driving motor 161 based on this.
  • the gap between the shield 150 and the material S should be minimized along with the operation of the air curtain part 152.
  • the shielding part 150 when the shielding part 150 is located close to the material S, the shielding part 150 may collide with the material S due to the upward of the material S, and the shielding part 150 may be damaged.
  • the displacement sensor 170 notifies the controller 180 when the distance from the material S is smaller than the reference value based on the set reference value and induces the rising of the shield 150 through the driving motor 161.
  • the displacement sensor 170 notifies the controller 180 when the distance from the material S is greater than the set reference value, thereby inducing the lowering of the shield 150 through the driving motor 161 (FIG. 12).
  • the shield 150 is raised by rotating the rotational gear 162 in one direction by the one-way rotation of the drive motor 161, the rack gear 163 meshed with the rotary gear 162 is moved upward. That is, the shield 150 is raised by the upward movement of the rack gear 163.
  • the lowering of the shielding part 150 is performed while the rotary gear 162 is rotated in the other direction by the rotation of the driving motor 161 in the other direction, and the rack gear 163 engaged with the rotary gear 162 moves downward. . That is, the shield 150 is lowered by the downward movement of the rack gear 163.
  • the water vapor blocking device is a rolling unit 210, a feed roller 220, a descaler 230, a width measuring unit 240, shielding
  • the unit 250 includes a lifting unit 260, a displacement sensor 270, and a controller 280.
  • the rolling unit 210 rolls the material S to a target thickness and width so that the finish rolling is easily performed in the finishing rolling process.
  • the rolling part 210 includes an upper work roll (not shown) disposed above and a lower work roll (not shown) arranged below.
  • the raw material S is rolled by the upper work roll and the lower work roll while being transported between the upper work roll and the lower work roll.
  • the raw material S rolled and sent from the rolling unit 210 is transferred to the post process by the conveying roller unit 220.
  • the conveying roller part 220 is disposed behind the rolling part 210.
  • the conveying roller part 220 includes a conveying roller (not shown) for conveying the raw material S to a later process, and a roller support (not shown) for rotatably supporting both ends of the conveying roller.
  • the descaler unit 230 is disposed above the feed roller unit 220.
  • the descaler 230 removes the scale formed on the surface of the material S transferred by the feed roller 220 by spraying high-pressure washing water toward the feed roller 220.
  • the descaler 230 is disposed in front of the width measuring unit 240 (see FIG. 17). Therefore, since the scale formed on the surface of the material S before passing through the width measuring part 240 is removed by the descaler 230, the width measuring part 240 is measured by the scale surrounding the material S. It prevents the deterioration of accuracy.
  • the width measuring part 240 is disposed above the feed roller part 220.
  • Width measuring unit 240 measures the width of the material (S) to be conveyed by the feed roller 220.
  • Width measuring unit 240 may be made of a laser displacement sensor.
  • the laser displacement sensor is disposed above the feed roller 220 forming the feed path of the material S and irradiates the laser toward the feed roller 220.
  • the laser displacement sensor measures the width of the material S by using the laser displacement sensor.
  • the width measuring unit 240 When the width measuring unit 240 measures the width of the material S, the width measuring unit 240 transmits it to the control unit 280. The control unit then controls the rolling process based on the width information of the received material (S).
  • the shielding part 250 is disposed above the feed roller part 220.
  • the shielding part 250 is disposed between the descaler 230 and the width measuring part 240 to block the inflow of water vapor, which may reduce the measurement accuracy of the width measuring part 240, into the width measuring part 240. do.
  • the washing water sprayed from the descaler 230 is evaporated and phase-changed into water vapor after contacting the hot material S, and the shielding unit 250 prevents the water vapor from flowing into the width measuring unit 240. .
  • the shielding part 250 includes a body part 251 and a fluid injection part 252.
  • Body portion 251 is coupled to the lifting portion 260.
  • the fluid injection part 252 is hingedly coupled to the body part 251.
  • the upper end of the fluid injection part 252 (see FIG. 18) is hinged to the lower end of the body part 251 by the hinge part 253.
  • the fluid injection part 252 may be freely rotated with respect to the body part 251.
  • FIG. 25 illustrates a state in which the fluid injection part 252 is rotated to the right by collision with the material S when the material S is conveyed in the forward direction, and FIG. 26 is conveyed in the reverse direction of the material S.
  • the state in which the fluid injection part 252 is rotated to the left side by the collision with the raw material S is shown. As such, when colliding with the material S, the fluid injection part 252 is rotated in the advancing direction of the material S, thereby minimizing the impact due to the collision.
  • the fluid injection part 252 injects a high pressure fluid toward the feed roller part 220, that is, the material S conveyed by the feed roller part 220, thereby providing the fluid injection part 252 and the feed roller part 220.
  • the gap between the water vapor is blocked to move to the width measuring unit 240.
  • the fluid is air.
  • the water injected from the fluid spraying unit 252 may prevent water vapor from entering the width measuring unit 240, the width of the material S may be accurately measured through the width measuring unit 240. do.
  • the fluid injection unit 252 includes a connection pipe 255, a branch pipe 256, a nozzle 257, and a housing 258.
  • the connector 255 communicates with an external source to receive fluid from the external source and guides it to the branch tube 256.
  • a plurality of branch pipes 256 are formed by branching from the connecting pipe 255, and a plurality of branch pipes 256 are arranged in a line in the width direction of the raw material S. FIG. Therefore, the path in which the water vapor flows into the width measurement unit 240 is blocked widely.
  • the nozzle 257 is provided at one end of the branch pipe 256 to inject a high-pressure fluid toward the feed roller portion 220, specifically, the material S conveyed by the feed roller portion 220. Therefore, an air curtain is formed between the fluid spraying unit 252 and the material S to block water vapor from entering the width measuring unit 240.
  • the housing 258 covers the connector 255, the branch tube 256, and the nozzle 257, and the connector 255, the branch tube 256, and the nozzle 257 collide with the material S. It prevents breakage at the time and suppresses deterioration damage in high temperature environment.
  • the lifting unit 260 is combined with the shielding unit 250 to lift the shielding unit 250.
  • the lifting unit 260 includes a driving motor 261, a rotary gear 262, a rack gear 263, and a connecting plate 264.
  • the drive motor 261 generates power and is fixed to the external device (F).
  • the external device F may be a rolling frame or a roller table constituting the frame of the rolling unit 210, any other configuration can be fixed to the drive motor 261.
  • the rotary gear 262 is connected to the driving motor 261, and is rotated by receiving power from the driving motor 261 when the driving motor 261 is driven.
  • the rack gear 263 meshes with the rotary gear 262 and is raised or lowered by the rotation of the rotary gear 262.
  • One side of the connection plate 264 is coupled to the rack gear 263, the other side is coupled to the body portion 251 of the shielding part 250. Therefore, when the rack gear 263 is raised or lowered by the operation of the driving motor 261, the shield 250 is raised or lowered in the same direction as the rack gear 263. That is, the rising or falling of the shielding unit 250 may be controlled by the operation control of the driving motor 261 through the control unit 280.
  • the displacement sensor 270 is installed on the connecting plate 264 and detects a distance from the material S. Referring to FIGS. The displacement sensor 270 is disposed closer to the rolling part 210 than the shield 250 so that the material S passes through the lower portion of the displacement sensor 270 first than the lower portion of the shield 250.
  • the displacement sensor 270 transmits the measured distance to the material S to the controller 280, and the controller 280 controls the operation of the driving motor 261 based on this.
  • the gap between the shielding part 250 and the raw material S should be minimized.
  • the displacement sensor 270 notifies the controller 280 when the distance from the material S is smaller than the reference value based on the set reference value to induce the rising of the shield 250 through the driving motor 261.
  • the displacement sensor 270 notifies the controller 280 when the distance from the material S is greater than the set reference value to induce the lowering of the shield 250 through the driving motor 261 (FIG. 23).
  • the shield 250 is raised by rotating the rotational gear 262 in one direction by the one-way rotation of the driving motor 261, and the rack gear 263 meshed with the rotational gear 262 moves upward. That is, the shield 250 is raised by the upward movement of the rack gear 263.
  • the lowering of the shielding part 250 is performed while the rotary gear 262 is rotated in the other direction by the rotation of the driving motor 261 in the other direction, and the rack gear 263 meshed with the rotary gear 262 moves downward. . That is, the shield 250 descends by the downward movement of the rack gear 263.
PCT/KR2011/010011 2011-04-27 2011-12-22 수증기 차단장치 WO2012148069A1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201180070432.4A CN103492093B (zh) 2011-04-27 2011-12-22 蒸汽阻塞装置
JP2014508274A JP5869103B2 (ja) 2011-04-27 2011-12-22 水蒸気遮断装置
US14/065,249 US20140047886A1 (en) 2011-04-27 2013-10-28 Steam-blocking apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0039422 2011-04-27
KR1020110039422A KR101257476B1 (ko) 2011-04-27 2011-04-27 수증기 차단장치
KR1020110051144A KR101291561B1 (ko) 2011-05-30 2011-05-30 수증기 차단장치
KR10-2011-0051144 2011-05-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/065,249 Continuation US20140047886A1 (en) 2011-04-27 2013-10-28 Steam-blocking apparatus

Publications (1)

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WO2012148069A1 true WO2012148069A1 (ko) 2012-11-01

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DE102016212967A1 (de) 2016-06-17 2017-12-21 Sms Group Gmbh Anordnung zur Bearbeitung einer Bramme oder eines Bandes
JP7354476B1 (ja) 2023-08-30 2023-10-02 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 空気送風機、撮影システム、圧延設備、空気送風方法、及び撮影方法

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CN103492093B (zh) 2016-01-06
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JP5869103B2 (ja) 2016-02-24
US20140047886A1 (en) 2014-02-20

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