KR200206497Y1 - Air Knife Automatic Cleaning Device of Galvanizing Equipment - Google Patents
Air Knife Automatic Cleaning Device of Galvanizing Equipment Download PDFInfo
- Publication number
- KR200206497Y1 KR200206497Y1 KR2019960059091U KR19960059091U KR200206497Y1 KR 200206497 Y1 KR200206497 Y1 KR 200206497Y1 KR 2019960059091 U KR2019960059091 U KR 2019960059091U KR 19960059091 U KR19960059091 U KR 19960059091U KR 200206497 Y1 KR200206497 Y1 KR 200206497Y1
- Authority
- KR
- South Korea
- Prior art keywords
- air knife
- discharge port
- air
- cleaning device
- computer
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims description 18
- 238000005246 galvanizing Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 230000008676 import Effects 0.000 abstract 2
- 238000007747 plating Methods 0.000 description 8
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/20—Strips; Plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
-
- B08B1/165—
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D5/00—Control of dimensions of material
- G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
Abstract
본 고안은 스트립의 표면에 적정 상태의 도금층이 성되게 하는 에어 나이프(Air Knife)의 공기토출구를 청결한 상태로 지토록하여 어느 일부분의 도금층이 두꺼워지는 빌드업현상을 방지하고 품질을 향상시킬 수 있게 한 에어 나이프 자동수입장치에 관한 것으로, 에어 나이프의 출구에 드로스가 부착됨을 감지하는 감지 센서와, 감지된 신호를 표출시킴과 아울러 수입 장치를 조정하여 주는 컴퓨터와, 이 컴퓨터의 신호에 의해 동작되는 에어실린더와, 이 에어실린더에 설치되어 토출구 상에서 슬라이딩되는 스크레이퍼로 구성함에 따라, 안전한 상태에서 에어 나이프의 토출구를 자동으로 수입하게 된 것이다.The present invention keeps the air outlet of the Air Knife, which makes the plated layer in a proper state on the surface of the strip, in a clean state to prevent build-up phenomenon in which a portion of the plated layer becomes thick and to improve the quality. An air knife automatic import device, comprising: a sensor for detecting the attachment of a dross to an outlet of an air knife, a computer for displaying a detected signal and adjusting an import device, and a signal operated by the signal of the computer By constructing an air cylinder and a scraper mounted on the air cylinder and sliding on the discharge port, the discharge port of the air knife is automatically imported in a safe state.
Description
본 고안은 아연도금설비의 에어 나이프(Air Knife) 자동청소장치에 관한 것 으로서, 더욱 상세하게는 스트립의 표면에 적정 상태의 도금층이 형성되게 하는 에어 나이프의 공기토출구를 청결한 상태로 유지토록하여 어느 일부분의 도금층이 두꺼워지는 빌드업 현상을 방지하고 제품의 품질을 향상시킬 수 있도록 하는 에어 나이프 자동청소장치에 관한 것이다.The present invention relates to an automatic cleaning device for an air knife of a galvanizing facility, and more particularly, to maintain a clean air discharge port of an air knife that allows an appropriate plating layer to be formed on a surface of a strip. The present invention relates to an air knife automatic cleaning device that prevents buildup of thickened portions of the coating layer and improves product quality.
일반적으로 냉연코일을 소재로 하는 아연도금 스트립의 생산라인은 제1도의 전체공정도에 나타낸 바와 같이 페이오프릴(10)에 권취된 코일형태와 스트립(S)이 용접기(11)와 입측루퍼(12)를 거쳐 열처리로(13)에서 열처리 된 후 아연도금조(14)를 거쳐 에어 나이프(15)에서 스트립(S)에 적정 상태의 도금층이 부착되도록 한다.In general, the production line of the cold-rolled coil galvanized strip is as shown in the overall process diagram of Figure 1, the coil shape and strip (S) wound on the payoff reel (10) welder 11 and the side looper (12) After the heat treatment in the heat treatment furnace 13 through the galvanizing bath 14 through the air knife (15) to ensure that the plating layer of the appropriate state is attached to the strip (S).
이어서 아연도금강판(S1)은 공기 냉각장치(16) 및 수냉각장치(17)에서 냉각된 다음 엑스레이(18)에서 도금부착량을 측정한 후 조질 압연기(19)로 들어가 형상 교정 및 내부응력을 제거하게 되고, 크롬처리 설비(20)에서는 내식성 향상을 위하여 화학처리를 한다.Subsequently, the galvanized steel sheet (S1) is cooled in the air cooling device (16) and the water cooling device (17), and then the plating deposition amount is measured on the X-ray (18), and then enters the tempering mill (19) to remove the shape correction and internal stress. In the chromium treatment facility 20, chemical treatment is performed to improve corrosion resistance.
이와 같은 공정을 마친 아연도금강판(S1)은 건조기(2l)에서 건조된 후 출측 루퍼(22)를 지나 텐션릴(23)에 코일형태로 감기거나 파일러(24)에 낱개로 보관됨으 로서 작업이 완료되게 되는 것이다.Galvanized steel sheet (S1) after the process is dried in the dryer (2l) and then passed through the exit looper 22 and wound in a coil form on the tension reel (23) or stored separately in the filer (24) Will be completed.
상기 에어 나이프(15)는 아연도금조(14)에서 도금된 코일에 수요가가 요구하는 도급부착량에 따라 적정도금량을 부착해주는 설비로서, 이는 연속적으로 진행중인 아연도금강판에 적정압력의 공기를 분사 한 후 도금 부착량을 엑스레이(18)에서 피드백 받아 에어 나이프(15) 압력이나. 간격을 조절하여 적정 도금부착량을 조절 해준다.The air knife 15 is a facility for attaching the appropriate plating amount to the coil plated in the galvanizing tank 14 in accordance with the amount of coating required by the demand, which is spraying the air of the appropriate pressure to the galvanized steel plate in progress After receiving the plating adhesion amount from the X-ray 18, the pressure of the air knife 15 or Adjust the gap to adjust the proper plating amount.
이때 에어 나이프(15)의 토출구에 드로스가 부착될 경우 이 드로스가 부착된 부분은 고압의 에어가 나오지 못하게 되어 아연도금강판에 빌드업(줄무의 모양의 과다도금 된 형태) 불량이 발생된다.At this time, when the dross is attached to the discharge port of the air knife 15, the part to which the dross is attached does not come out of the high-pressure air, resulting in a build-up (overplated form of the shape of the rope) on the galvanized steel sheet.
따라서 종래에는 에어 나이프(15)의 상부로 올라가서 작업자가 스틸봉 끝에 강철 선재를 체결하여 된 치공구(A)를 이용하여 직접 일일이 제거해야 하였으므로 제품의 품질면에서나, 제거효율 측면은 물론 작업자의 안전측면에서도 심각한 문제점이 발생하였다(제2도 참조).Therefore, in the related art, since the worker had to go up to the upper part of the air knife 15 and manually remove it by using a tool (A) made by fastening steel wires at the end of the steel bar, the quality of the product and the aspect of removal efficiency as well as the safety aspects of the worker. Serious problems also occurred in (see Figure 2).
본 고안은 상기한 실정을 감안하여 종래의 에어 나이프에서 발생되는 문제점을 해결하고자 안출한 것으로서, 그 목적은 에어 나이프의 토출구가 막히게 됨을 감지하여 토출구 상에서 슬라이딩 되는 스크레이퍼로 자동으로 청소하므로서 에어 나이프의 토출구를 막는 드로스를 제거하는 아연도금설비의 에어 나이프 자동청소 장치를 제공하는 것이다.The present invention has been made in view of the above situation to solve the problems occurring in the conventional air knife, the purpose of the discharge port of the air knife by automatically cleaning with a scraper sliding on the discharge port by detecting that the discharge port of the air knife is blocked. It is to provide an air knife automatic cleaning device of galvanizing equipment to remove dross that prevents.
제1도는 일반적인 아연도금 스트립의 전체 라인구성도.1 is a complete line configuration of a typical galvanized strip.
제2도는 종래의 에어 나이프의 토출구 청소상태를 나타낸 사시도.Figure 2 is a perspective view showing a cleaning state of the discharge port of the conventional air knife.
제3도는 본 고안의 실시예의 에어 나이프 토출구의 자동청소장치를 예시한 사시도.Figure 3 is a perspective view illustrating an automatic cleaning device of the air knife discharge port of the embodiment of the present invention.
제4도는 상기 제3도의 일부를 발췌한 측단면도이다.4 is a side cross-sectional view of a portion of the third view.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
100 : 에어 나이프 110 : 토출구100: air knife 110: discharge port
120 : 가이드홈 200 : 감지센서120: guide groove 200: detection sensor
300 : 토출구청소장치 310 : 전자밸브300: outlet cleaning device 310: solenoid valve
320 : 실린더 330 : 스크레이퍼320: cylinder 330: scraper
340,340' : 리미트 스위치 400 : 컴퓨터340,340 ': limit switch 400: computer
상기한 목적을 달성하기 위한 본 고안은 에어 나이프의 토출구에 드로스가 부착됨을 감지하는 감지센서와, 감지된 신호를 표시함과 더불어 청소장치를 제어하 여 주는 컴퓨터와, 이 컴퓨터의 신호에 의해 동작되는 에어 실린더와, 이 에어 실린더에 설치되어 토출구 상에서 슬라이딩 되는 스크레이퍼로 구성함에 따라 안전한 상태에서 에어 나이프의 토출구를 청소하게 됨을 특징으로 한다.The present invention for achieving the above object is a sensor for detecting that the dross is attached to the discharge port of the air knife, a computer that displays the detected signal and controls the cleaning device, and operates by the signal of the computer It is characterized in that it is configured to clean the discharge port of the air knife in a safe state by being composed of an air cylinder and a scraper installed on the air cylinder and sliding on the discharge port.
이하, 본 고안 아연도금설비의 에어 나이프 자동청소장치를 첨부도면을 참조하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the air knife automatic cleaning device of the present invention galvanizing equipment as follows.
제3도 및 제4도는 본 고안 실시예의 에어 나이프 자동청소장치와 그 일부 발췌도로서, 에어 나이프(100)의 상측에 에어 토출구(110)의 막힘을 감지하는 빌드업 감지센서(200)가 설치되고, 이 감지센서(200)는 다음에서 설명할 토출구 청소장치(300)에 출력신호를 보내는 컴퓨터(400)에 연결되어 있다.3 and 4 are excerpts of the air knife automatic cleaning device and a partial extract thereof according to an embodiment of the present invention, and a build-up detection sensor 200 for detecting a blockage of the air discharge port 110 is installed on the upper side of the air knife 100. The sensor 200 is connected to a computer 400 which sends an output signal to the discharge port cleaning device 300 which will be described later.
상기 토출구 청소장치(300)는 컴퓨터의 제어신호에 따라 개폐되는 전자밸브(310)와 유체에 의해 동작되는 실린더(320)와 에어 토출구(110) 상에서 슬라이딩되는 스크레이퍼(330)로 구성되어 있다.The discharge port cleaning apparatus 300 includes a solenoid valve 310 that is opened and closed according to a control signal of a computer, a cylinder 320 operated by a fluid, and a scraper 330 sliding on the air discharge port 110.
상기 실린더(320)에 의해 동작되는 스크레이퍼(330)는 에어 토출구(110)의 상·하부 어느 한측에 형성한 가이드 홈(120)을 따라 슬라이딩 되며, 스크레이퍼(330)가 동작되는 양단에는 그 동작을 감지하는 리미트 스위치(340)(340')가 각각 부설되어 있다.The scraper 330 operated by the cylinder 320 is slid along the guide groove 120 formed on one side of the upper and lower sides of the air discharge port 110, and the operation is performed at both ends of the scraper 330. Sensing limit switches 340 and 340 'are provided respectively.
따라서 아연도금조를 통과한 스트립의 표면에 에어 나이프(100)로부터 고압의 공기를 분사시켜 도금층을 조정하는 과정에서 그 에어토출구(110)에 드로스가 부착되어 연속작업중인 아연도금 스트립에 빌드업 마크가 발생되면, 즉시 에어 나이프(100)의 상부에 실치되어있는 빌드업 감지센서(200)가 좌·우로 왕복하면서 빌드업 마크를 발견하고, 이와 동시에 컴퓨터(400)에 감지신호를 출력하여 드로스가 에어 토출구(110)에 부착되었음을 인지하게 된다.Therefore, in the process of adjusting the plating layer by spraying high pressure air from the air knife 100 on the surface of the strip passing through the galvanizing bath, a dross is attached to the air discharge port 110, and the build-up mark on the galvanized strip in continuous operation. Is generated, the build-up detection sensor 200 mounted on the upper portion of the air knife 100 immediately detects the build-up mark by reciprocating left and right, and simultaneously outputs a detection signal to the computer 400 so that the dross It is recognized that it is attached to the air discharge port (110).
이어서 컴퓨터(400)에서 전자밸브(310)에 전진신호를 주게되면 이에 의해 실린더(320)가 동작되고 이 실린더(320)에 설치된 스크레이퍼(330)가 에어 토출구(110) 상에서 이동하면서 드로스를 제거시킨 후, 반대측 리미트 스위치(340')와 접촉하게 된다. 리미트 스위치(340')가 접촉되는 순간 컴퓨터(400)가 리미트 스위치(340')의 접촉신호를 받아 전자밸브(310)에 후진신호를 주게되어 실린더(320)가 후진되다기 원위치의 리미트 스위치(340)에 접촉되면 이 신호가 컴퓨터(400)로 들어가 컴퓨터(400)가 정지신호를 전자밸브(310)에 보내어 토출구 청소장치(300)를 정지시키게 된다.Subsequently, when the computer 400 gives a forward signal to the solenoid valve 310, the cylinder 320 is operated and the scraper 330 installed in the cylinder 320 moves on the air discharge port 110 to remove the dross. After contact, the contact with the opposite limit switch 340 'is made. When the limit switch 340 'is contacted, the computer 400 receives the contact signal of the limit switch 340' and gives a reverse signal to the solenoid valve 310 so that the cylinder 320 is reversed. When the signal comes into contact with the head 340, the signal enters the computer 400, and the computer 400 sends a stop signal to the solenoid valve 310 to stop the outlet cleaning device 300.
이상과 같은 본 고안은 에어 나이프에서 발생되는 도금 부착량 편차 불량이나 아연도금 스트립의 표면에 발생된 빌드업 발생을 원천적으로 방지할 수 있다.The present invention as described above can prevent the build-up generated on the surface of the galvanized strip or poor plating adhesion amount deviation generated in the air knife.
또한, 토출구 청소장치를 무인화 함으로써, 에어 나이프가 설치된 고소에서 작업할 때 발생되는 안전사고의 위험을 제거시킴은 물론 제품의 불량 발생을 줄이게 되어 전체적인 생산성을 극대화 할 수 있는 효과가 있다.In addition, by unmanning the discharge port cleaning device, it is possible to eliminate the risk of safety accidents that occur when working at the height of the air knife is installed, as well as to reduce the occurrence of defects of the product to maximize the overall productivity.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960059091U KR200206497Y1 (en) | 1996-12-27 | 1996-12-27 | Air Knife Automatic Cleaning Device of Galvanizing Equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960059091U KR200206497Y1 (en) | 1996-12-27 | 1996-12-27 | Air Knife Automatic Cleaning Device of Galvanizing Equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980045949U KR19980045949U (en) | 1998-09-25 |
| KR200206497Y1 true KR200206497Y1 (en) | 2001-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960059091U KR200206497Y1 (en) | 1996-12-27 | 1996-12-27 | Air Knife Automatic Cleaning Device of Galvanizing Equipment |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR200206497Y1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428566B1 (en) * | 2002-04-23 | 2004-04-29 | 주식회사 포스코 | An apparatus for cleaning nozzle tip of air knife of rotary type |
| KR101075916B1 (en) | 2008-11-07 | 2011-10-26 | 주식회사 포스코 | Lip cleaner of air knife |
| WO2013042930A1 (en) * | 2011-09-23 | 2013-03-28 | 포항공과대학교 산학협력단 | Lip cleaner for air knife using symmetrical structure |
| WO2013042931A1 (en) * | 2011-09-23 | 2013-03-28 | 포항공과대학교 산학협력단 | Lip cleaner for air knife provided with ventilation holes |
| KR101624576B1 (en) | 2015-02-25 | 2016-06-08 | 주식회사 삼우에코 | Tips for Cleaner Air Knife fixing and extracting device |
| KR20170029719A (en) | 2015-09-07 | 2017-03-16 | 주식회사 삼우에코 | Dividing the air knife tip cleaners |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020051265A (en) * | 2000-12-22 | 2002-06-28 | 이구택 | Machinery for air knife of the zinc plating equipment |
| KR100880572B1 (en) * | 2002-06-03 | 2009-01-30 | 주식회사 포스코 | Air-knife apparatus for controling the thickness of zinc plated on steel plate with improved blow-ability |
| KR100963426B1 (en) * | 2003-07-07 | 2010-06-15 | 주식회사 포스코 | Apparatus for controlling and polishing a lip of air knife in a galvanizing line |
| KR100856307B1 (en) * | 2006-06-28 | 2008-09-03 | 주식회사 포스코 | Apparatus for Cleaning Lip of Air Knife and Air Knife having The Same Apparatus |
| KR101583550B1 (en) | 2015-06-16 | 2016-01-19 | 효성산업 주식회사 | Transfer Device For Air Knife |
| KR101580665B1 (en) | 2015-06-16 | 2015-12-28 | 효성산업 주식회사 | take up roll apparatus for gavanized steel sheets |
| CN114774825A (en) * | 2022-03-10 | 2022-07-22 | 冠县仁泽复合材料有限公司 | Zinc layer thickness automatic control device |
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1996
- 1996-12-27 KR KR2019960059091U patent/KR200206497Y1/en not_active IP Right Cessation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428566B1 (en) * | 2002-04-23 | 2004-04-29 | 주식회사 포스코 | An apparatus for cleaning nozzle tip of air knife of rotary type |
| KR101075916B1 (en) | 2008-11-07 | 2011-10-26 | 주식회사 포스코 | Lip cleaner of air knife |
| WO2013042930A1 (en) * | 2011-09-23 | 2013-03-28 | 포항공과대학교 산학협력단 | Lip cleaner for air knife using symmetrical structure |
| WO2013042931A1 (en) * | 2011-09-23 | 2013-03-28 | 포항공과대학교 산학협력단 | Lip cleaner for air knife provided with ventilation holes |
| KR101290318B1 (en) | 2011-09-23 | 2013-07-26 | 포항공과대학교 산학협력단 | Lip cleaner for air knife having ventilation hole |
| KR101290317B1 (en) | 2011-09-23 | 2013-07-26 | 포항공과대학교 산학협력단 | Lip cleaner for air knife using symmetric structure |
| KR101624576B1 (en) | 2015-02-25 | 2016-06-08 | 주식회사 삼우에코 | Tips for Cleaner Air Knife fixing and extracting device |
| KR20170029719A (en) | 2015-09-07 | 2017-03-16 | 주식회사 삼우에코 | Dividing the air knife tip cleaners |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980045949U (en) | 1998-09-25 |
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