JPS5518571A - Continuously hot dipping apparatus - Google Patents

Continuously hot dipping apparatus

Info

Publication number
JPS5518571A
JPS5518571A JP9144478A JP9144478A JPS5518571A JP S5518571 A JPS5518571 A JP S5518571A JP 9144478 A JP9144478 A JP 9144478A JP 9144478 A JP9144478 A JP 9144478A JP S5518571 A JPS5518571 A JP S5518571A
Authority
JP
Japan
Prior art keywords
fluid
temp
molten metal
hot dipping
press
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
Application number
JP9144478A
Other languages
Japanese (ja)
Inventor
Kenji Tabuse
Teruo Yamaguchi
Kenji Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Nippon Steel Nisshin Co Ltd
Original Assignee
Hitachi Ltd
Nisshin Steel Co Ltd
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
Application filed by Hitachi Ltd, Nisshin Steel Co Ltd filed Critical Hitachi Ltd
Priority to JP9144478A priority Critical patent/JPS5518571A/en
Publication of JPS5518571A publication Critical patent/JPS5518571A/en
Pending legal-status Critical Current

Links

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

PURPOSE:To easily utilize a high temp. pressurized fluid for wiping molten metal by regulating a low temp. high press. fluid compressor and low temp. high press. fluid valves when excess molten metal on the surfaces of a hot dipped steel strip is wiped to regulate the hot dipping thickness. CONSTITUTION:Steel strip 1 heated with burners 17 in heating furnace 18 is passed through molten metal bath 6 in the hot dipping vessel. The hot dipped strip is sprayed with a high temp. fluid spouted from nozzles 7, 7' to wipe excess molten metal, thus making the hot dipping thickness uniform. A low temp. fluid is compressed with compressor 22 and charged into ejector 23. On the other hand, a high temp. fluid of different temps. and the same press. is taken out of a plurality of places of furnace 18 through piping 26, 32, 38 and charged into ejector 23. At this time, by regulating valves 20, 25, 28, 29 a high temp. wiping fluid of the same temp. and press. is always fed to nozzles 7, 7' to regulate the amt. of excess molten metal to be wiped, and the hot dipping thickness is controlled to a predetermined thickness.
JP9144478A 1978-07-28 1978-07-28 Continuously hot dipping apparatus Pending JPS5518571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9144478A JPS5518571A (en) 1978-07-28 1978-07-28 Continuously hot dipping apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9144478A JPS5518571A (en) 1978-07-28 1978-07-28 Continuously hot dipping apparatus

Publications (1)

Publication Number Publication Date
JPS5518571A true JPS5518571A (en) 1980-02-08

Family

ID=14026532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9144478A Pending JPS5518571A (en) 1978-07-28 1978-07-28 Continuously hot dipping apparatus

Country Status (1)

Country Link
JP (1) JPS5518571A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0437416A (en) * 1990-06-01 1992-02-07 Kawasaki Steel Corp Method for winding strip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0437416A (en) * 1990-06-01 1992-02-07 Kawasaki Steel Corp Method for winding strip

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