JPS63109148A - Hot dip metal coating method - Google Patents
Hot dip metal coating methodInfo
- Publication number
- JPS63109148A JPS63109148A JP25183086A JP25183086A JPS63109148A JP S63109148 A JPS63109148 A JP S63109148A JP 25183086 A JP25183086 A JP 25183086A JP 25183086 A JP25183086 A JP 25183086A JP S63109148 A JPS63109148 A JP S63109148A
- Authority
- JP
- Japan
- Prior art keywords
- plating
- steel strip
- zinc
- dross
- hot dip
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 238000000576 coating method Methods 0.000 title abstract description 7
- 238000007747 plating Methods 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052725 zinc Inorganic materials 0.000 abstract description 17
- 239000011701 zinc Substances 0.000 abstract description 17
- 239000011248 coating agent Substances 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000005275 alloying Methods 0.000 abstract description 4
- 239000010425 asbestos Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 229910052895 riebeckite Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010731 rolling oil Substances 0.000 description 1
Landscapes
- Coating With Molten Metal (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、溶融金属メッキ方法に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to a molten metal plating method.
亜鉛、アルミニウム、ターンメタル等の溶融メッキにお
いては、周知のごとく、浴槽内に溶融メッキ金属を満し
、該浴底部にロール(一般にはジンクロールという)を
配置し、調帯を該ロールを介して浴内へ導き、メッキを
施し、浴上部へ引上げ、ガスワイプにより所定付着量に
調整するものである(特開昭61−73873号)。In hot-dip plating of zinc, aluminum, turn metal, etc., as is well known, a bathtub is filled with the hot-dip plated metal, a roll (generally called a zinc roll) is placed at the bottom of the bath, and the strip is passed through the roll. The coating is guided into the bath, plated, pulled up to the top of the bath, and adjusted to a predetermined coating amount by gas wiping (Japanese Patent Application Laid-open No. 73873/1983).
このようなメッキ方法においては、ジンクロールに鋼帯
が接触することからメッキ鋼帯に接触マーク(疵)が付
き、又メッキ浴中には、鋼帯から溶出した鉄分とメッキ
金属と反応したドロスと称する介在物が浮遊しており、
これが鋼帯に付着し、品質を損う等の欠点をともなうも
のである。In this plating method, contact marks (flaws) are formed on the plated steel strip because the steel strip comes into contact with the zinc roll, and dross that reacts with the iron eluted from the steel strip and the plated metal is present in the plating bath. There are floating inclusions called
This is accompanied by drawbacks such as adhesion to the steel strip and deterioration of quality.
本発明は、このような欠点を有利に解決するfこめなさ
れたものである。The present invention has been devised to advantageously solve these drawbacks.
本発明の特徴とするところは、調帯の垂直方向通板位置
の鋼帯表裏面とメンキセル間に溶融メッキ金属を供給し
、該メッキ金属を銅帯通板方向と逆方向へ流下移動しつ
つ、鋼帯表裏面にメッキを施し、鋼帯導入部のメッキ金
属を封入することを特徴とする溶融金属メッキ方法に関
するものである。The feature of the present invention is to supply hot-dip plated metal between the front and back surfaces of the steel strip and the menki cell at the vertical direction of the strip, and to move the plated metal downward in the direction opposite to the direction in which the copper strip passes. , relates to a molten metal plating method characterized in that the front and back surfaces of the steel strip are plated and the plated metal of the steel strip introduction section is enclosed.
本発明の一態様について述べると1、鋼帯表裏面とメツ
キセル間、つまり調帯の表裏面に対向して、セルを設け
、そのセルと鋼帯間に溶融メッキ金属を供給し、そのメ
ッキ金属を鋼帯通板方向と逆方向へ移動(流下)しつつ
、調帯両面にメッキを施し、残流メッキ金属は、系外へ
取出し、ドロスフィルターにより、浴中のドロスを除去
し、次いで溶解タンクへ導きメッキ金属の温度調整をす
るとともにメッキ金属を補給溶解した後、上記メツキセ
ルと調帯間へ供給し、連続的にメッキを施すものである
。To describe one aspect of the present invention, 1, a cell is provided between the front and back surfaces of the steel strip and the mesh cell, that is, facing the front and back surfaces of the strip, and hot-dip plating metal is supplied between the cell and the steel strip, and the plating metal is While moving (flowing down) the steel strip in the opposite direction to the strip passing direction, plating is applied to both sides of the strip, and the remaining plated metal is taken out of the system, and the dross in the bath is removed by a dross filter, and then melted. After being led to a tank, the temperature of the plated metal is adjusted, and the plated metal is replenished and melted, it is supplied to the space between the above-mentioned Metsuki cell and the belt, and plating is performed continuously.
又上記メッキ位置(メッキ部4)の銅帯導入部−は、メ
ッキ金属が洩れないようにメッキ金属を封入(シール)
するものであるが、′例えば、電磁ポンプとラビリンス
の組合せ機構、アスベスト簿の耐熱、耐摩耗性物質によ
り調帯挟持する機構、静圧をかける等、により封入する
ことができる。In addition, the copper band introduction part of the above-mentioned plating position (plated part 4) is sealed with plating metal to prevent the plating metal from leaking.
However, for example, it can be sealed using a combination mechanism of an electromagnetic pump and a labyrinth, a mechanism that clamps the band between asbestos sheets using heat-resistant and wear-resistant materials, or applying static pressure.
かくして、従来のごとき、メッキ浴槽内に浴を満した、
その浴中へ鋼帯を導き、メンキすることによる、ジンク
ロールとの接触による疵、浴中浮遊ドロス、堆積ドロス
によるメッキ表面疵等を確実に解消するものである。In this way, as in the conventional method, the plated bathtub was filled with bath.
By introducing the steel strip into the bath and peeling it, it is possible to reliably eliminate scratches caused by contact with zinc rolls, plating surface defects caused by floating dross in the bath, and deposited dross.
このような本発明の溶融金属メッキ方法としては、例え
ば亜鉛、亜鉛を主体とする残りアルミニウム、鉄、マン
ガン、アンチモン等の1種又は2種以上からなる金属、
アルミニウム、ターンメタン等の金属をメッキすること
ができる。Such a hot-dip metal plating method of the present invention includes, for example, zinc, a metal consisting of one or more of zinc-based aluminum, iron, manganese, antimony, etc.;
Metals such as aluminum and turn methane can be plated.
実施例 次に本発明の実施例を挙げる。Example Next, examples of the present invention will be described.
第1図、第2図及び第3図において、鋼帯1(巾:16
00m、板厚:0.8關)をメッキ前処理炉2で鋼帯1
の表面に付着している圧延油等を除去し、清浄化すると
ともに焼鈍し、温度500℃の鋼帯1をガイドロール3
を介して、メッキ部4へ導く。In Figures 1, 2 and 3, steel strip 1 (width: 16
00m, plate thickness: 0.8mm) in the plating pretreatment furnace 2.
The rolling oil etc. adhering to the surface of the steel strip 1 is removed, cleaned and annealed, and the steel strip 1 heated to a temperature of 500°C is passed through the guide roll 3.
It is guided to the plating part 4 via.
該メッキ部4は、鋼帯l垂直通板位置の表裏面に対向し
、メンキセル5を構成し、セル5と74帯1の間隔を調
帯1表裏面それぞれ10 璽*に位置せしめ、通板速度
Loom/分、溶融亜鉛6 (470℃)を供給口両側
7a、7bから合計6. Ot/hr供給し、銅帯1通
板方向と逆方向へ流下(移動)させつつ、メッキを施し
、ノズル8により、ガスワイプで付着量60g/m (
片面)に調整して製品とする。The plated part 4 faces the front and back surfaces of the steel strip 1 at the vertical threading position, and forms a menki cell 5, and the interval between the cell 5 and the 74 strip 1 is positioned at 10 mm* on each of the front and back surfaces of the strip 1, and the strip is threaded. At a speed of Loom/min, molten zinc 6 (470°C) was supplied from both sides 7a and 7b of the supply ports for a total of 6. 0t/hr and plating the copper strip while flowing (moving) it in the opposite direction to the direction in which the copper strip passes through the sheet, and then gas wipes the copper strip with a coating amount of 60 g/m (
(one side) and use it as a product.
一方メツキ部4で残流するメッキ金属6は、排出口9a
、 9bから取出し、ドロスフィルター10でメッキ金
属6中のドロスを除去し、次いで、溶解タンク11へ導
き、メッキ金属6の温度調整するとともにメッキ金属6
の補給溶解を行ない、メッキ部4の供給ロアa、7bへ
連続供給し、鋼帯1を連続的にメッキするものである。On the other hand, the plated metal 6 remaining in the plated part 4 is discharged from the outlet 9a.
, 9b, the dross in the plated metal 6 is removed with a dross filter 10, and then led to the melting tank 11, where the temperature of the plated metal 6 is adjusted and the plated metal 6 is removed.
The steel strip 1 is continuously supplied to the supply lowers a and 7b of the plating section 4, and the steel strip 1 is continuously plated.
メッキ部4への鋼帯1導入部(鋼帯1と排出口9a、9
bの部材との間隔5m)に図示のごとく、静圧発生用気
体ノズル12を設け、かつ、ラビリンス13を設け、操
業停止時で3000鶴/Aq、操業中1500g*/A
qの静圧を発生させメッキ金属の封入を確実に施した。Introducing part of steel strip 1 to plating part 4 (steel strip 1 and discharge ports 9a, 9
As shown in the figure, a gas nozzle 12 for generating static pressure and a labyrinth 13 are installed at a distance of 5 m from the member b), and a labyrinth 13 is installed, and the pressure is 3000 g/Aq when the operation is stopped and 1500 g*/A during the operation.
A static pressure of q was generated to ensure that the plated metal was encapsulated.
図中14はメッキ鋼帯を必要に応じて合金化処理するた
めの合金化炉である。In the figure, 14 is an alloying furnace for alloying the plated steel strip as required.
かくすることにより、メッキ浴槽を用いることなく、メ
ッキすることができ、鋼帯のメッキ浴中ロールによる擦
疵、浴中のドロス付着による品質劣化を確実に防止でき
る。By doing so, plating can be performed without using a plating bath, and quality deterioration due to scratches on the steel strip caused by rolls in the plating bath and dross adhesion in the bath can be reliably prevented.
又設備を小型化し、コスト低下ができ、更にメッキ浴槽
を用いないため、保守、点検等が少な(なり、設備管理
が容易になる等の優れた効果が得られる。In addition, the equipment can be made smaller and costs can be lowered, and since a plating bathtub is not used, there are fewer maintenance, inspections, etc., and excellent effects such as easier equipment management can be obtained.
第1図は、本発明の一例を示す設備説明立面図、第2図
は、メッキ部の説明立面図、第3図は、第2図のB−B
矢視説明図である。
1・・・鋼帯、2・・・メッキ前処理炉、3・・・ガイ
ドロール、4・・・メッキ部、5・・・メツキセル、6
・・・?専門を亜鉛、7a、7b・・・供給口、8・・
・ノズル、9a、9b・・・排出口、10・・・ドロス
フィルター、12・・・静圧発生用気体ノズル、13・
・・ラビリンス、14・・・合金化炉。Fig. 1 is an explanatory elevational view of the equipment showing an example of the present invention, Fig. 2 is an explanatory elevational view of the plating section, and Fig. 3 is B-B in Fig. 2.
FIG. DESCRIPTION OF SYMBOLS 1... Steel strip, 2... Plating pretreatment furnace, 3... Guide roll, 4... Plating part, 5... Metsuki cell, 6
...? Specializes in zinc, 7a, 7b...supply port, 8...
・Nozzle, 9a, 9b... Discharge port, 10... Dross filter, 12... Gas nozzle for generating static pressure, 13.
... Labyrinth, 14... Alloying furnace.
Claims (1)
溶融メッキ金属を供給し、該メッキ金属を鋼帯通板方向
と逆方向へ流下移動しつつ、鋼帯表裏面にメッキを施し
、鋼帯導入部のメッキ金属を封入することを特徴とする
溶融金属メッキ方法。Hot-dip plating metal is supplied between the front and back surfaces of the steel strip at the vertical threading position of the steel strip and the plating cells, and the plating metal is applied to the front and back surfaces of the steel strip while flowing downward in the opposite direction to the steel strip threading direction. , a molten metal plating method characterized by enclosing the plating metal in the introduction part of the steel strip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25183086A JPS63109148A (en) | 1986-10-24 | 1986-10-24 | Hot dip metal coating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25183086A JPS63109148A (en) | 1986-10-24 | 1986-10-24 | Hot dip metal coating method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63109148A true JPS63109148A (en) | 1988-05-13 |
Family
ID=17228557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25183086A Pending JPS63109148A (en) | 1986-10-24 | 1986-10-24 | Hot dip metal coating method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63109148A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5070071A (en) * | 1988-10-11 | 1991-12-03 | The Board Of Trustees Of The Leland Stanford Junior University | Method of forming a ceramic superconducting composite wire using a molten pool |
US5897683A (en) * | 1995-11-10 | 1999-04-27 | Mitsubishi Jukogyo Kabushiki Kaisha | Method and apparatus for holding molten metal |
US6984357B2 (en) | 2001-04-10 | 2006-01-10 | Posco | Apparatus and method for holding molten metal in continuous hot dip coating of metal strip |
-
1986
- 1986-10-24 JP JP25183086A patent/JPS63109148A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5070071A (en) * | 1988-10-11 | 1991-12-03 | The Board Of Trustees Of The Leland Stanford Junior University | Method of forming a ceramic superconducting composite wire using a molten pool |
US5897683A (en) * | 1995-11-10 | 1999-04-27 | Mitsubishi Jukogyo Kabushiki Kaisha | Method and apparatus for holding molten metal |
KR100264257B1 (en) * | 1995-11-10 | 2000-08-16 | 에모토 간지 | Method and apparatus for holding molten metal |
US6984357B2 (en) | 2001-04-10 | 2006-01-10 | Posco | Apparatus and method for holding molten metal in continuous hot dip coating of metal strip |
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