JPS63227792A - Method and apparatus for uniformly pickling surface of titanium strip - Google Patents
Method and apparatus for uniformly pickling surface of titanium stripInfo
- Publication number
- JPS63227792A JPS63227792A JP25778586A JP25778586A JPS63227792A JP S63227792 A JPS63227792 A JP S63227792A JP 25778586 A JP25778586 A JP 25778586A JP 25778586 A JP25778586 A JP 25778586A JP S63227792 A JPS63227792 A JP S63227792A
- Authority
- JP
- Japan
- Prior art keywords
- pickling
- tank
- liquid
- strip
- titanium strip
- 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
- 238000005554 pickling Methods 0.000 title claims abstract description 113
- 229910052719 titanium Inorganic materials 0.000 title claims description 44
- 239000010936 titanium Substances 0.000 title claims description 44
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 43
- 238000000034 method Methods 0.000 title claims description 8
- 239000007788 liquid Substances 0.000 claims description 44
- 238000007599 discharging Methods 0.000 claims 2
- 238000003825 pressing Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 titanium ions Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
- C23G1/106—Other heavy metals refractory metals
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の属する技術分野］
本発明はチタンストリップ表面の均−酸洗方法及びその
装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical field to which the invention pertains] The present invention relates to a method and apparatus for uniformly pickling the surface of a titanium strip.
［発明の背景］
チタンストリップを第５図に示すような従来型の酸洗槽
３０に浸漬し、酸洗を行なう場合、酸洗槽３０内の液の
攪 が不十分となる。またチタンストリップｚＯには中
延び、耳波等の形状不良があるため第６図に示すように
チタンストリップ表面に局部的に酸洗液が滞留する部分
が生じる。そのため、その部分の酸洗液のチタンイオン
濃度が上昇し、隣接する板面局所間で酸洗速度に差が生
じ、酸洗ムラが生じるという問題点があった。[Background of the Invention] When a titanium strip is pickled by immersing it in a conventional pickling tank 30 as shown in FIG. 5, the liquid in the pickling tank 30 is not sufficiently stirred. Furthermore, since the titanium strip zO has shape defects such as elongation in the middle and undulations, there are portions on the surface of the titanium strip where the pickling solution locally accumulates, as shown in FIG. As a result, the concentration of titanium ions in the pickling solution in that area increases, causing a difference in pickling speed between adjacent parts of the board surface, resulting in uneven pickling.
［発明の目的］
本出願に係る発明の目的は、チタンストリップ酸洗槽内
の酸洗液の組成を均一にし、酸洗ムラが生じない酸洗方
法及びその装置を提供することにある。[Object of the Invention] An object of the invention according to the present application is to provide a pickling method and an apparatus therefor that make the composition of the pickling liquid in the titanium strip pickling tank uniform and prevent uneven pickling.
［発明の概要］
本出願に係る第１の発明は、酸洗槽内に、チタンストリ
ップの長手方向に該チタンストリップを進行かつ酸洗槽
内の酸洗液に浸漬させつつ該チタンストリップ表面の酸
洗を行なうチタンストリップ表面の酸洗方法において、
酸洗槽内の酸洗液を、該酸洗槽と、該酸洗槽の外部との
間で循環させ、循環して該醜洗槽内戻る酸洗液を、チタ
ンストリップの表面に噴射しながら該チタンストリップ
表面の酸洗を行なうことを特徴とするチタンストリップ
表面の均一酸洗方法である。[Summary of the Invention] The first invention according to the present application is to advance the titanium strip in the longitudinal direction in a pickling tank and immerse the titanium strip in the pickling solution in the pickling tank, while cleaning the surface of the titanium strip. In the pickling method for the surface of titanium strip,
The pickling solution in the pickling tank is circulated between the pickling tank and the outside of the pickling tank, and the pickling solution that is circulated and returned to the dirty washing tank is sprayed onto the surface of the titanium strip. This method is characterized in that the surface of the titanium strip is uniformly pickled while the surface of the titanium strip is pickled.
本出願に係る第２の発明は、酸洗槽と、該酸洗槽内をチ
タンストリップの長手方向に該チタンストリップを進行
させるための手段と、該酸洗槽の表面からオーバーフロ
ーした酸洗液をたくわえるための該酸洗槽の外部に設け
られたリザーブタンクと、該リザーブタンクに接続され
、該リザーブタンク内の酸洗液な酸洗槽内に循環させる
ためのポンプと、一端が該ポンプに接続さ・れ、他の一
端吐出口が該リザーブタンク内からの酸洗液を、該酸洗
槽内のストリップの表面へ噴射しうるように配置された
複数のノズルとを含むように構成したことを特徴とする
チタンストリップ表面の均一酸洗装置である。A second invention according to the present application includes a pickling tank, a means for advancing the titanium strip in the longitudinal direction in the pickling tank, and a pickling liquid overflowing from the surface of the pickling tank. a reserve tank provided outside the pickling tank for storing pickling liquid; a pump connected to the reserve tank for circulating the pickling liquid in the reserve tank; and a plurality of nozzles, the other end of which is connected to a plurality of nozzles, the other end of which is arranged to inject the pickling liquid from within the reserve tank onto the surface of the strip within the pickling tank. This is a device for uniformly pickling the surface of a titanium strip.
本出願に係る第３の発明は、複数ノズルの酸洗槽側吐出
口の位置を、酸洗槽の長手方向に略均等の間隔をおいて
配置し、ノズルの高さをストリップの高さとほぼ同一と
した特許請求の範囲第２項る。The third invention according to the present application is such that the pickling tank side discharge ports of the plurality of nozzles are arranged at substantially equal intervals in the longitudinal direction of the pickling tank, and the height of the nozzles is set approximately equal to the height of the strip. Paragraph 2 of the claims are the same.
［発明の実施例］ （第１発明及び第２発明の実施例） 以下に図面に基づいて第２発明の詳細な説明する。[Embodiments of the invention] (Example of the first invention and the second invention) The second invention will be described in detail below based on the drawings.
第１図に実施例を示す。An example is shown in FIG.
本例では、酸洗槽３０と、該酸洗槽３０内□をチタンス
トリップ２０の長手方向にチタンストリップ２０を進行
させるための手段であるローラー１、ｌａと、酸洗Ｉ４
３０の表面からオーバーフローした酸洗液６をたくわえ
るための、酸洗槽３０の外部に設けられたリザーブタン
ク１０と、リザーブタンクｌＯに接続され、リザーブタ
ンク１０内の酸洗液６ａを酸洗槽３０内に循環させるた
めのポンプ１１と、一端がポンプ１１に接続され、他の
一端吐出口がリザーブタンク１０内からの酸洗液６ａを
、酸洗槽３０内のストリップ２０の表面へ噴射しうるよ
うに配置された複数のノズル３２とを含むように構成さ
れている。In this example, a pickling tank 30, rollers 1 and la, which are means for advancing the titanium strip 20 in the longitudinal direction of the titanium strip 20 in the pickling tank 30, and a pickling I4
A reserve tank 10 is provided outside the pickling tank 30 to store the pickling solution 6 overflowing from the surface of the pickling tank 30, and a reserve tank 10 is connected to the reserve tank IO, and the pickling solution 6a in the reserve tank 10 is stored in the pickling tank 10. One end is connected to the pump 11, and the other end has a discharge port for injecting the pickling liquid 6a from the reserve tank 10 onto the surface of the strip 20 in the pickling tank 30. The nozzle 32 is configured to include a plurality of nozzles 32 arranged so as to be transparent.
バーフローシた酸洗液は、リザーブタンクｌＯにたまり
、リザーブ１０にたまった酸洗液６ａは、ポンプ１１に
より圧力を与えられノズル３２の吐出口からチタンスト
リップ２０表面に噴射する。The barflowed pickling liquid is accumulated in the reserve tank IO, and the pickling liquid 6a accumulated in the reserve 10 is given pressure by the pump 11 and is injected from the discharge port of the nozzle 32 onto the surface of the titanium strip 20.
こお噴射時の圧力のため酸洗槽内の酸洗液は攪される。The pickling liquid in the pickling tank is agitated due to the pressure during jetting.
その結果酸洗液の組成は均一になるとともに、チタンス
トリップ２０に板面上には酸洗液の滞留が生じず、均一
な酸洗を行なうことができる。As a result, the composition of the pickling solution becomes uniform, and the pickling solution does not accumulate on the surface of the titanium strip 20, so that uniform pickling can be performed.
以下に本実施例をより詳細に説明する。This example will be explained in more detail below.
本例では、酸洗液６として硝酸塩液と硝酸液と水との混
合液を用いる。この６液は、硝酸塩液供給バルブ２、沸
酸液供給バルブ３、水供給バルブ４から酸洗槽３０内に
それぞれ供給される。In this example, a mixed solution of a nitrate solution, a nitric acid solution, and water is used as the pickling solution 6. These six liquids are supplied into the pickling tank 30 from the nitrate liquid supply valve 2, the boiling acid liquid supply valve 3, and the water supply valve 4, respectively.
オーバーフローシた酸洗液６はオーバーフロー管１３を
介してリザーブタンクｌＯにたくわえられる。オーバー
フロー管１３の一端開口は酸洗液６の液面に設けてあり
、他端はリザーブタンク１０に接続されている。The overflow pickling liquid 6 is stored in a reserve tank IO via an overflow pipe 13. One end opening of the overflow pipe 13 is provided at the liquid level of the pickling liquid 6, and the other end is connected to the reserve tank 10.
本例では、第２図及び第３図がより明らかに示すように
、ノズル３２の吐出１１１４は、チタンストリップ２０
とほぼ同じ高さに位置しており、また吐出口１４はチタ
ンストリップ２０の進行方向１９と逆向きに開目してい
る。そして吐出口１４はチタンストリップ２０の進行方
向１９に均等の略間隔をおいて配こされている。In this example, as FIGS. 2 and 3 more clearly show, the discharge 1114 of the nozzle 32 is connected to the titanium strip 20.
The discharge port 14 is opened in the opposite direction to the traveling direction 19 of the titanium strip 20. The discharge ports 14 are arranged at approximately equal intervals in the traveling direction 19 of the titanium strip 20.
してかって、リザーブタンク１０からの循環液はチタン
ストリップ２０の進行方向１９に対して逆向きに吐出し
、また、チタンストリップ２０の表面と裏面とにむらな
く噴出されるので、チタンストリップ２０面表裏全体に
対して平均的な流れが生じ、板面状での液の滞留がより
一層なくなり、板面が常に均一組成の液に接触するため
、酸洗ムラの発生を防止できる。As a result, the circulating fluid from the reserve tank 10 is discharged in the opposite direction to the traveling direction 19 of the titanium strip 20, and is evenly discharged onto the front and back surfaces of the titanium strip 20, so that the surface of the titanium strip 20 is An average flow is generated over the entire front and back surfaces, further eliminating stagnation of the liquid on the plate surface, and the plate surface is always in contact with a liquid of uniform composition, thereby preventing the occurrence of pickling unevenness.
（第１発明及び第３発明の実施例） 第４図に実施例の変形例を示す。(Example of the first invention and the third invention) FIG. 4 shows a modification of the embodiment.
第４図に示すように、酸洗槽６の側面に複数個の局部循
環吐出装２１１５を配こする。同装置は、液入口１６．
液吐出口１７及びインペラー１８からなり、装置近傍の
酸洗液を吹込み、インペラー１８により流速を′ｊ−え
て、液吐出口１７よりストリップ進行方向１９と逆向き
に吐出することにより、板面でのチタンイオン濃度差を
解消する効果を有する。As shown in FIG. 4, a plurality of local circulation discharge devices 2115 are arranged on the side of the pickling tank 6. The device has a liquid inlet 16.
Consisting of a liquid discharge port 17 and an impeller 18, the pickling liquid near the device is blown in, the impeller 18 adjusts the flow velocity, and the liquid is discharged from the liquid discharge port 17 in the opposite direction to the strip traveling direction 19, thereby cleaning the plate surface. This has the effect of eliminating the difference in titanium ion concentration between
他の点は第１発ＩＪＪ及び第２発明の実施例で述べた点
と同様である。Other points are the same as those described in the first IJJ and the second embodiment of the invention.
（発明の効果）
本出願に係る発明によれば、酸洗槽内の酸洗液の組成は
均一になり、酸洗ムラを生ずることなくチタンストリッ
プの酸洗を行なうことができる。(Effects of the Invention) According to the invention of the present application, the composition of the pickling liquid in the pickling tank becomes uniform, and titanium strips can be pickled without causing uneven pickling.
第１図は従来型の酸洗槽を示す断面図であり、第２図は
形状不良のストリップにより生じるチタンイオン濃度差
を示す模式図である。第３図は第２発明の実施例に係る
酸洗槽の横断面図であり、第４図は第１発明の実施例に
係る酸洗槽の平面図であり、第５図は第１発明の実施例
に係る酸洗槽の縦断面図であり、第６図は第３発明の実
施例に係る酸洗槽の断面図である。
１・・・ロール、２・・９硝酸塩液供給バルブ、３・・
・沸酸現液供給バルブ、４拳・・水供給バルブ、５・・
参ドレン抜きバルブ、６・・・硝酸液、７・・争チタン
濃度大となる部分、８・・・チタン濃度小となる部分、
１０・・拳混酸リザーブタンク、１１１１−・循環液ポ
ンプ、１３・・・オーバーフロー’ｆｆ、１４−・・ｆ
ｆ１Ｗ液吐出口、１５・・・局部循環口、１６・・Φ液
入口、１７・・・液吐出口、１８・・・インペラー、１
９・・・チタンストリップ進行方向、２０・・・チタン
ストリップ、３０・・・酸洗槽。
第１図
第２図
第６図FIG. 1 is a sectional view showing a conventional pickling tank, and FIG. 2 is a schematic diagram showing a difference in titanium ion concentration caused by a strip having a defective shape. FIG. 3 is a cross-sectional view of the pickling tank according to the embodiment of the second invention, FIG. 4 is a plan view of the pickling tank according to the embodiment of the first invention, and FIG. 5 is a cross-sectional view of the pickling tank according to the embodiment of the first invention. FIG. 6 is a longitudinal sectional view of a pickling tank according to an embodiment of the third invention. FIG. 6 is a sectional view of a pickling tank according to an embodiment of the third invention. 1...Roll, 2...9 Nitrate liquid supply valve, 3...
・Boiling acid liquid supply valve, 4 fists・・Water supply valve, 5・・
Reference drain valve, 6... Nitric acid solution, 7... Portion where titanium concentration is high, 8... Portion where titanium concentration is low,
10...Fist mixed acid reserve tank, 1111-...Circulating fluid pump, 13...Overflow'ff, 14-...f
f1W liquid discharge port, 15...local circulation port, 16...Φ liquid inlet, 17...liquid discharge port, 18...impeller, 1
9... Titanium strip advancing direction, 20... Titanium strip, 30... Pickling tank. Figure 1 Figure 2 Figure 6
Claims (1)
ンストリップを進行かつ酸洗槽内の酸洗液に浸漬させつ
つ該チタンストリップ表面の酸洗を行なうチタンストリ
ップ表面の酸洗方法において、酸洗槽内の酸洗液を、該
酸洗槽と、該酸洗槽の外部との間で循環させ、循環して
該酸洗槽内に戻る酸洗液を、チタンストリップの表面に
噴射しながら該チタンストリップ表面の酸洗を行なうこ
とを特徴とするチタンストリップ表面の均一酸洗方法。 ２ 酸洗槽と、該酸洗槽内をチタンストリップの長手方
向に該チタンストリップを進行させるための手段と、該
酸洗槽の表面からオーバーフローした酸洗液をたくわえ
るための該酸洗槽の外部に設けられたリザーブタンクと
、該リザーブタンクに接続され、該リザーブタンク内の
酸洗液を酸洗槽内に循環させるためのポンプと、一端が
該ポンプに接続され、他の一端吐出口が該リザーブタン
ク内からの酸洗液を、該酸洗槽内のストリップの表面へ
噴射しうるように配置された複数のノズルとを含むよう
に構成したことを特徴とするチタンストリップ表面の均
一酸洗装置。 ３ 複数ノズルの酸洗槽側吐出口の位置を、酸洗槽の長
手方向に略均等の間隔をおいて配置し、ノズルの高さを
ストリップの高さとほぼ同一とした特許請求の範囲第２
項記載のチタンストリップ表面の均一酸洗装置。 ４ 吐出ノズルからの酸洗液の吐出方向をチタンストリ
ップの進行方向に対して逆向きとした特許請求の範囲第
２項記載のチタンストリップ表面の均一酸洗装置。 ５ 酸洗槽内の酸洗液を吸引したノズルから吐出する装
置を複数個設けた特許請求の範囲第２項乃至第４項のい
ずれかに記載のチタンストリップ表面の均一酸洗装置。 ６ 酸洗槽と、該酸洗槽内をチタンストリップの長手方
向に該チタンストリップを進行させるための手段と、液
入口と液吐出口とを有し該液入口と掖出口との間に液入
口から入いってくる液を圧力をもたせて該液出口から吐
出させるためのインペラーが設けられている局部循環吐
出装置とを有し、該入口を酸洗槽の内部と連通させかつ
、液吐出口を、液入口からの酸洗液を、該酸洗槽内のス
トリップの表面へ噴射しうるように配置して該局部循環
吐出装置を該酸洗槽の側面に設けたことを特徴とするチ
タンストリップ表面の均一酸洗装置。[Claims] 1. A method of pickling the surface of a titanium strip while advancing the titanium strip in the longitudinal direction of the titanium strip into a pickling tank and immersing it in a pickling solution in the pickling tank. In the pickling method, a pickling solution in a pickling tank is circulated between the pickling tank and the outside of the pickling tank, and the pickling solution is circulated and returned to the pickling tank. A method for uniformly pickling a surface of a titanium strip, characterized in that the surface of the titanium strip is pickled while being sprayed onto the surface of the strip. 2. A pickling tank, a means for advancing the titanium strip in the longitudinal direction within the pickling tank, and a means for storing the pickling liquid overflowing from the surface of the pickling tank. a reserve tank provided externally; a pump connected to the reserve tank for circulating the pickling liquid in the reserve tank into the pickling tank; one end connected to the pump and the other end a discharge port; and a plurality of nozzles arranged to spray the pickling liquid from the reserve tank onto the surface of the strip in the pickling tank. Pickling equipment. 3. The pickling tank side discharge ports of the plurality of nozzles are arranged at substantially equal intervals in the longitudinal direction of the pickling tank, and the height of the nozzles is substantially the same as the height of the strip.
A uniform pickling device for the surface of a titanium strip as described in 2. 4. The apparatus for uniformly pickling the surface of a titanium strip according to claim 2, wherein the discharge direction of the pickling liquid from the discharge nozzle is opposite to the traveling direction of the titanium strip. 5. An apparatus for uniformly pickling the surface of a titanium strip according to any one of claims 2 to 4, which is provided with a plurality of devices for discharging the pickling liquid from the nozzle that sucks the pickling liquid in the pickling tank. 6 A pickling tank, a means for advancing the titanium strip in the longitudinal direction of the titanium strip in the pickling tank, a liquid inlet and a liquid discharge port, and a liquid is disposed between the liquid inlet and the discharge port. A local circulation discharge device is provided with an impeller for applying pressure to the liquid entering from the inlet and discharging it from the liquid outlet, and the inlet is communicated with the inside of the pickling tank, and the liquid discharge device The outlet is arranged so that the pickling liquid from the liquid inlet can be injected onto the surface of the strip in the pickling tank, and the local circulation discharge device is provided on the side of the pickling tank. Uniform pickling device for titanium strip surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25778586A JPS63227792A (en) | 1986-10-28 | 1986-10-28 | Method and apparatus for uniformly pickling surface of titanium strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25778586A JPS63227792A (en) | 1986-10-28 | 1986-10-28 | Method and apparatus for uniformly pickling surface of titanium strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63227792A true JPS63227792A (en) | 1988-09-22 |
Family
ID=17311069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25778586A Pending JPS63227792A (en) | 1986-10-28 | 1986-10-28 | Method and apparatus for uniformly pickling surface of titanium strip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63227792A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0708186A1 (en) * | 1994-10-17 | 1996-04-24 | Andritz-Patentverwaltungs-Gesellschaft m.b.H. | Process and apparatus for continuous surface treatment, in particular for pickling and cleaning strip |
| FR2784998A1 (en) * | 1998-10-22 | 2000-04-28 | Kvaerner Metals Clecim | Installation for pickling of metal strip by passing through a vat of pickling liquid with one or more banks of injection nozzles |
| JP2010090426A (en) * | 2008-10-07 | 2010-04-22 | Kobe Steel Ltd | Method for pickling titanium sheet |
| JP2019214764A (en) * | 2018-06-12 | 2019-12-19 | 日本製鉄株式会社 | Pickling device and pickling method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5132582A (en) * | 1974-09-10 | 1976-03-19 | Kanebo Ltd | Sefuarosuhorinrui no seizoho |
| JPS52454A (en) * | 1975-06-23 | 1977-01-05 | Nec Corp | Transponder installed in water |
| JPS5952959A (en) * | 1982-09-20 | 1984-03-27 | Sharp Corp | Interphone |
-
1986
- 1986-10-28 JP JP25778586A patent/JPS63227792A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5132582A (en) * | 1974-09-10 | 1976-03-19 | Kanebo Ltd | Sefuarosuhorinrui no seizoho |
| JPS52454A (en) * | 1975-06-23 | 1977-01-05 | Nec Corp | Transponder installed in water |
| JPS5952959A (en) * | 1982-09-20 | 1984-03-27 | Sharp Corp | Interphone |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0708186A1 (en) * | 1994-10-17 | 1996-04-24 | Andritz-Patentverwaltungs-Gesellschaft m.b.H. | Process and apparatus for continuous surface treatment, in particular for pickling and cleaning strip |
| FR2784998A1 (en) * | 1998-10-22 | 2000-04-28 | Kvaerner Metals Clecim | Installation for pickling of metal strip by passing through a vat of pickling liquid with one or more banks of injection nozzles |
| US6612318B1 (en) | 1998-10-22 | 2003-09-02 | Vai Clecim | Installation for pickling a metal band |
| JP2010090426A (en) * | 2008-10-07 | 2010-04-22 | Kobe Steel Ltd | Method for pickling titanium sheet |
| JP2019214764A (en) * | 2018-06-12 | 2019-12-19 | 日本製鉄株式会社 | Pickling device and pickling method |
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