KR100330568B1 - Coating air knife nozzle - Google Patents

Coating air knife nozzle Download PDF

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Publication number
KR100330568B1
KR100330568B1 KR1020000015679A KR20000015679A KR100330568B1 KR 100330568 B1 KR100330568 B1 KR 100330568B1 KR 1020000015679 A KR1020000015679 A KR 1020000015679A KR 20000015679 A KR20000015679 A KR 20000015679A KR 100330568 B1 KR100330568 B1 KR 100330568B1
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South Korea
Prior art keywords
air
pressure
diffusion chamber
section
air knife
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KR1020000015679A
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Korean (ko)
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KR20000036738A (en
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오동주
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허기복
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Priority to KR2020000008733U priority Critical patent/KR200194221Y1/en
Priority to KR1020000015679A priority patent/KR100330568B1/en
Publication of KR20000036738A publication Critical patent/KR20000036738A/en
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Publication of KR100330568B1 publication Critical patent/KR100330568B1/en

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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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Coating With Molten Metal (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

본 발명은 함석과 같은 강판에 아연도금을 실시할 때 주로 사용하는 에어 나이프 노즐(Air knife Nozzle)에 관한 것이다.The present invention relates to an air knife nozzle mainly used when galvanizing a steel sheet such as tin.

종래의 도금용 에어 나이프 노즐은 에어 유입구에서 유입된 고압에어가 에어 확산실에서 확살될 때는 에어확산실 중심부에 설치된 막대 형상의 분배붕에 의해 분배 확산되게 한 후 측단면 산각상의 가속구간에서 가속력을 갖고, 노즐을 통해 분사되게 하였기 때문에 분사압이 고르지 못하여 피도금체에 균일한 압을 가할 수 없어 도금층에 얼룩현상이 생기는 등 품질저하의 폐단이 있었던 것이다.Conventional plating air knife nozzles are distributed by a rod-shaped distribution bar installed at the center of the air diffusion chamber when the high pressure air introduced from the air inlet is expanded in the air diffusion chamber, and then accelerates in the acceleration section on the side cross-sectional angle. In addition, since the spraying pressure is uneven, the uniform pressure cannot be applied to the plated object, causing staining on the plated layer.

본 발명은 이상의 문제점을 해결하고자 발명한 것으로 이의 발명요지는 에어 유입구를 통해 유입된 고압 에어가 에어 확산실(6)에서 확산되게함에 있어 확산실을 측단면 ' 아아치 '형상으로 상부에 만국부가 있게하되, 이의 앞측벽은 분배변(7)으로하여 이의 하부측에는 일정간격으로 다수의 분사공(8)이 연속형성되게하고, 이 분사공(8)의 외측단인 가압구간(9)의 일측에는 유로턱(9') 을 형성하여 분배변(7)의 분사공(8)에서 분사된 에어가 가속구간(9)에서 다시 모여 가속력을 갖일 때는 동일한 압을 갖고 노즐(9')을 통해 피도금체에 분사되면서 피도금체에는 균일한 두께의 도금층(16)을 형성할 수 있게하므로서 고 품질의 함석제품을 얻을 수 있게한 것이다.The present invention has been invented to solve the above problems, the present invention is to ensure that the high-pressure air introduced through the air inlet is diffused in the air diffusion chamber (6) in the upper end of the diffusion chamber in the cross-section 'arch' shape However, the front wall thereof is a distribution side (7) so that a plurality of injection holes (8) are continuously formed at a predetermined interval on the lower side thereof, one side of the pressure section (9) that is the outer end of the injection hole (8) Air flow path 9 'is formed and air injected from the injection hole 8 of the distribution valve 7 gathers in the acceleration section 9 and has the same pressure, and has the same pressure, and is discharged through the nozzle 9'. While being sprayed onto the plated body, it is possible to form a plated layer 16 having a uniform thickness on the plated body, thereby obtaining a high quality tin product.

Description

도금용 에어 나이프 노즐{Coating air knife nozzle}Plating air knife nozzle {Coating air knife nozzle}

본 발명은 함석과 같은 소재 강판에 아연도금을 할 때 주로 사용하는 도금용 에어 나이프 노즐(Airknife Nozzle)에 관한 것이다.The present invention relates to a plating air knife nozzle (Airknife Nozzle) mainly used when galvanizing a steel sheet such as tin.

종래의 도금용 에어 나이프 노즐은 에어 유입구에서 유입된 고압에어가 에어 확산실에서 확산될 때는 이에 확산실의 중심부에 설치된 막대 형상의 분배봉에 의해 상하로 나누어 확산된 후 측단면 삼각상의 가속 구간에서 다시 모이면서 가속되어 노즐부로 분사할 수 있게하고 있기 때문에 분사 압력이 고르지 못하여 피도금판체에 균일한 압을 가할 수 없어 도금층에는 얼룩현상이 생기는 등 품질 저하의 폐단이 있었던 것이다.Conventional plating air knife nozzle is spread in the acceleration section of the side cross section after the high pressure air introduced from the air inlet is diffused in the air diffusion chamber divided by up and down by a rod-shaped distribution rod installed in the center of the diffusion chamber. Since it is accelerated while being gathered again and sprayed to the nozzle part, the injection pressure is uneven and uniform pressure cannot be applied to the plated body, resulting in staining of the plated layer.

본 발명은 이상의 문제점을 해결하고자 발명한 것으로 이의 발명요지는 에어 유입구를 통해 유입된 고압 에어가 에어 확산실(6)에서 확산되게함에 있어 에어 확산실을 측단면 ' 아아치 '형상으로 상부에 만곡부가 있게하고, 이의 앞측벽에는 일정간격으로 다수의 분사공이 연속 뚫림된 분배변으로 되게하고, 분배변의 분사공에서배출된 에어는 단면 삼각형상의 가속구간에서 다시모여 압축된 후 노즐부로 압출될 시는 분사량과 분사압이 일정될 수 있게 분사공의 외측에 유도턱을 개재시킨 것으로서 이와 같이하면 에어가 노즐에 분사될 시는 균일한 양과 압을 피도금체에 가할 수 있어 피도금체는 이의 도금두께가 일정하여 고품질의 함석제품이 될 수 있게 한 것이다.The present invention has been invented to solve the above problems, the present invention is to allow the high-pressure air introduced through the air inlet to be diffused in the air diffusion chamber (6) the air diffusion chamber in the cross-section 'arch' shape of the upper curved portion In the front side of the wall, a plurality of injection holes are continuously drilled into the distribution valve at a predetermined interval, and the air discharged from the injection holes of the distribution valve is gathered again in the acceleration section on the cross section and compressed and then extruded into the nozzle unit. The inlet jaw is provided on the outside of the injection hole so that the injection amount and the injection pressure can be constant. Thus, when air is injected into the nozzle, a uniform amount and pressure can be applied to the plated body. The thickness is constant so that it can be a high quality tin product.

도 1은 본 발명의 사시도1 is a perspective view of the present invention

도 2는 도 1의 'A'부분, 도 3 'B'부분의 확대 측단면도2 is an enlarged side cross-sectional view of portion 'A' of FIG. 1 and portion 'B' of FIG.

도 3은 본 발명의 별도실시예의 사시도3 is a perspective view of another embodiment of the present invention;

도 4는 본 발명의 또다른 별도실시예의 사시도4 is a perspective view of another separate embodiment of the present invention

도 5는 도 4의 'B'부분의 확대 측단면도5 is an enlarged side cross-sectional view of the portion 'B' of FIG.

도 6는 본 발명의 장치 예시도6 illustrates an apparatus of the present invention.

도 7은 도 6의 실시예시도7 is an exemplary view of FIG. 6.

* 도면의 중요부분에 대한 부호의 설명* Explanation of symbols for important parts of the drawings

1-몸체 2,2'-상하외판 3-측면판 4-체결공1-body 2,2'-upper and outer plate 3-side plate 4-fastener

4'-체결볼트 5-에어 유입구 6-에어 확산실 7-분배변4'-fastening bolt 5-air inlet 6-air diffusion chamber 7-distribution valve

7'-지지판 7'-절곡부 8-분사공 108-분사장공7'-support plate 7'-bend 8-injector 108-injector

208-분사다공 9-가속구간 9'-유로턱 9'-노즐부208-Position 9-Acceleration section 9'-Euro chin 9'-Nozzle section

10-도금액조 10'-도금액 11-보빈 12-가이드 로울러10-plating tank 10'-plating solution 11-bobbin 12-guide roller

13,13'-텐션 로울러 14-강판 15-요철 도금부 16-평면 도금부13,13'- Tension Roller 14-Steel Plate 15-Uneven Plated 16-Flat Plated

이를 도면에 의거 상세히 설명하면 다음과 같다.This will be described in detail based on the drawings.

에어 나이프 노즐 몸체(1)를 구성함에 있어 상부외판(2)과 하부외판(2') 및 측면판(3)을 체결볼트(4')로 체결하여 긴 삼각봉 형상인 몸체(1)를 구성하고, 몸체(1)의 후면에는 일정간격으로 다수의 호우스 체결부(5')가 있는 유입구(5)를 형성하고, 이 유입구(5)의 내측에는 측단면 ' 아아치 '형상의 에어 확산실(6)이 형성하되, 이의 앞측벽에 형성된 분배변(7)의 하측면에는 일정간격으로 다수의 분사공(8)을 연속 형성하고, 이의 지지판(7')의 절곡부(7')의 외단에는 유로턱(9')이 형성되며, 그 전방에는 단면 삼각 형상의 가속구간(9)이 형성되고, 이의 선단에는 노즐부(9')가 형성되어진 것이다.In constructing the air knife nozzle body 1, the upper outer plate 2, the lower outer plate 2 'and the side plate 3 are fastened with fastening bolts 4' to form a long triangular rod-shaped body 1, On the rear of the body 1, an inlet 5 having a plurality of hose fastening portions 5 'is formed at regular intervals, and inside the inlet 5, an air diffusion chamber having a side cross section' arch 'shape is formed. (6) is formed, but a plurality of injection holes (8) are continuously formed on the lower side of the distribution side (7) formed on the front wall thereof at regular intervals, and the bent portion (7 ') of the support plate (7') is formed. A flow path trough 9 'is formed at the outer end, and an acceleration section 9 having a triangular cross section is formed at the front thereof, and a nozzle portion 9' is formed at the front end thereof.

그리고 도3은 본 발명의 별도실시예도로서 에어 확산실(6)과 가속구간(9) 사이에 개재된 분배변(7)을 구성할 때 이 분배변(7)의 하부에는 다수의 분사장공(108)이 연속형성되게 한 것이고, 도4는 본 발명의 또다른 별도실시예도로서 분배변(7)을 구성할 때 이 분배변(7)에 분사다공(208)이 연속 형성된 것이다.3 is a separate embodiment of the present invention, when constituting the distribution valve 7 interposed between the air diffusion chamber 6 and the acceleration section (9) in the lower portion of the distribution valve 7 a plurality of injection holes ( 108 is formed continuously, and FIG. 4 shows another embodiment of the present invention in which the injection pores 208 are continuously formed in the distribution valve 7 when the distribution valve 7 is configured.

이상과 같이 구성된 본 발명은 함석과 같은 비교적 얇은 철판에 아연 도금을 할때 주로 사용하는 에어 나이프 노즐인 바 이를 설치할 때는 도6 및 도7에 표시와 같이 도금액조(10)의 내부에 설치된 가이드 로울러(12)에는 보빈(11)에 감겨져 있는 강판(14)을 풀어서 감김 안내되게한 상태에서 도금액(10')에 침지되게 한 다음 도금액조(10)의 상부에 설치된 텐션 로울러(13)(13') 및 좌우 에어 나이프 노즐(1) 사이로 통과시킨 후 완성 제품 권취 보빈으로 연결하면 되는 것으로 이때 강판 소재가 구동부의 가동에 의해 이동될 때 도금액이 일정 두께로 전착될 수 있게 하는 것은 이송되는 강판(14)의 요철도금부(15) 양면부에 근접 설치된 에어 나이프 노즐에서 분사되는 에어압에 의해 철판(14)에 도착된 도금액이 평면으로 확산되면서 균일한 두께의 도금층을 형성하게된다.The present invention configured as described above is an air knife nozzle mainly used when galvanizing a relatively thin iron plate such as tin when installing the guide roller installed in the plating solution tank 10 as shown in Figure 6 and 7 12, the tension rollers 13 and 13 'installed on the upper part of the plating solution tank 10 are immersed in the plating solution 10' in a state where the steel sheet 14 wound around the bobbin 11 is unwound and guided. And the left and right air knife nozzles 1 and then connected to the finished product take-up bobbin, which allows the plating liquid to be electrodeposited to a certain thickness when the steel sheet material is moved by the operation of the driving unit. The plating liquid arriving at the iron plate 14 is diffused to the plane by the air pressure sprayed from the air knife nozzle installed near both sides of the uneven plating portion 15 to form a plating layer having a uniform thickness. do.

즉, 도금액조(10) 내의 도금액(10')이 도착된 강판(14)이 텐션 로울러(13)(13')에 의해 안내 상승할 때는 강판(14)의 표면에는 도착된 도금액이 일정하지 않고, 얼룩현상이 생긴 것을 균일한 두께로 전착될 수 있게 확산시키것은 에어 나이프 노즐인 바 본 발명의 에어 나이프 노즐은 에어 유입구(5)를 통해 유입된 에어가 확산실(6)에서 확산된 후 가속 구간(7)으로 이송됨에 있어서 종래와 같은 봉상체인 분배봉을 이용하지 않고, 평판상의 분배변(7)을 이용할 수 있게한 것으로 이 분배변(7)은 확산 구간의 칸막이 역활을하여 여기에서 에어가 정체되면서 전 길이 방향에 압력 및 공기량이 항상 일정하게 골고루 분배하는 역활을 한다. 그리고 분배변(7)의 하측부에는 원공 또는 장공 및 다공으로된 분사공(8)(108)(208)을 연속 형성하였기 때문에 여기에서 확산실 내에서 정체된 에어의 불안전한 분배를 균일하게 확산시켜주는 교촉(交軸) 역활을하여 분사압을 일정하게하고, 또한분배공(8)(108)(208)에서 분사된 에어가 측 단면삼각 형상인 가속구간(9)에서 뾰족한 선단 노즐부로 흐르면서 압축될 때는 이의 압측이 일정한 각도를 갖고, 균등하게 압축될 수 있게 분사공(8)(108) (208)의 외측에 유도턱(9')을 형성하여 가속구간(9) 내에서 에어가 균형을 잃고 와류되는 일이 없도록 하였기 때문에 노즐(9')을 통해 피도금체에 분사되는 분사량과 압이 균일하므로 고품질의 도금층을 형성하게 된다.That is, when the steel plate 14 to which the plating liquid 10 'in the plating liquid tank 10 arrived guides and raises by the tension rollers 13 and 13', the plating liquid which arrived at the surface of the steel plate 14 is not constant. The air knife nozzle of the present invention accelerates after the air introduced through the air inlet (5) is diffused in the diffusion chamber (6). In the transfer to the section (7), it is possible to use a flat distribution valve (7) instead of using a conventional rod-like distribution rod. The distribution valve (7) acts as a partition of the diffusion section, where air As the stagnation occurs, pressure and air volume always distributes evenly over the entire length. In addition, since the injection holes 8, 108, and 208 are formed continuously in the lower portion of the distribution valve 7, which are circular holes, long holes, and pores, the unstable distribution of stagnant air in the diffusion chamber is uniformly spread therein. The injection pressure is made constant by acting as a contact point, and the air injected from the distribution holes 8, 108, and 208 flows from the acceleration section 9, which is a triangular cross-sectional shape, to the pointed tip nozzle part. When compressed, air pressure is balanced in the acceleration section 9 by forming a guide jaw 9 'outside the injection holes 8, 108 and 208 so that the pressure side thereof has a constant angle and can be compressed evenly. Since the injection and the pressure are uniformly injected through the nozzles 9 'to the plated body, the high quality plated layer is formed.

이상과 같이 본 발명은 도금용 에어 나이프 노즐을 구성함에 있어 에어 유입구(5)를 통해 유입된 고압에어가 에어 확산실(8)에서 고루 확산되게함에 있어 확산실(6)을 측단면 '아아치'형상으로하여 이의 만곡부에서 확산유도된후 분사공(8)(108)(208)으로 분사될 시는 와류되지 않고, 직선상으로 분사될 수 있게 가속구간 일측에는 유도턱(9')을 형성하였기 때문에 즉, 확산실에서 확산된 에어는 가속구간(9)에서는 균일한 량과 압의 가속력을 갖고, 노즐(9')을 통해 분사되게 하였기 때문에 피도금체인 강판(14)의 도금층을 일정하게 할 수 있어 생산성 향상에 크게 기여할 수 있는 매우 유용한 발명이다.As described above, in the present invention, the high pressure air introduced through the air inlet 5 is uniformly diffused in the air diffusion chamber 8 in forming the air knife nozzle for plating. 'Induced jaw 9' is formed at one side of the acceleration section so as to be sprayed in a straight line without being vortexed when being injected into the injection holes 8, 108 and 208 after being induced to diffuse in the curved portion thereof. In other words, since the air diffused in the diffusion chamber has a uniform amount and acceleration force in the acceleration section 9 and is injected through the nozzle 9 ', the plated layer of the steel plate 14, which is the plated body, is made constant. It is a very useful invention that can greatly contribute to productivity improvement.

Claims (3)

도금용 에어 나이프 노즐 몸체(1)를 구성함에 있어서 에어 유입구(5)를 통해 유입된 에어가 에어 확살실(6)에 고루 확산할 수 있게 에어 확산실(6)은 이의 측단면이 ' 아아치 '형상으로되고, 그 앞측 벽은 분배변(7)이 되게하며, 분배변(7)에는 일정간격으로 다수의 분사공(8)이 연속 형성되어지게하고, 분사공(8)의 외측인 가압구간(9)의 일측에는 유도턱(9')이 형성되어짐을 특징으로 한 도금용 에어 나이프 노즐.In constructing the air knife nozzle body 1 for plating, the air diffusion chamber 6 has a side cross-section of the air diffusion chamber 6 so that the air introduced through the air inlet 5 can be evenly diffused into the air diffusion chamber 6. 'Shape, the front wall is to be the distribution side (7), a plurality of injection holes (8) are continuously formed at a predetermined interval on the distribution side (7), the pressure outside the injection hole (8) Plating air knife nozzle, characterized in that the guide jaw (9 ') is formed on one side of the section (9). 제1항에 있어서 분배변(7)의 하부측에 다수의 분사장공(108)이 연속하여 형성됨을 특징으로 한 도금용 에어 나이프 노즐.2. The plating air knife nozzle according to claim 1, wherein a plurality of injection holes (108) are formed continuously on the lower side of the distribution valve (7). 제2항에 있어서 분배변(7)에 분사다공(208)이 연속하여 형성됨을 특징으로 한 도금용 에어 나이프 노즐.3. An air knife nozzle for plating according to claim 2, characterized in that the injection holes (208) are formed continuously on the distribution side (7).
KR1020000015679A 2000-03-28 2000-03-28 Coating air knife nozzle KR100330568B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200494903Y1 (en) 2021-05-31 2022-01-20 박창규 Structure of Nozzle Lips for Galvanizing Air Knife

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KR20030020507A (en) * 2001-08-29 2003-03-10 이승부 Air Knife Nozzle for cleaning the precision parts
CN115478240B (en) * 2022-08-30 2023-07-18 武汉钢铁有限公司 Air knife

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200494903Y1 (en) 2021-05-31 2022-01-20 박창규 Structure of Nozzle Lips for Galvanizing Air Knife

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