JPS55109553A - Breakout preventing method in continuous casting - Google Patents

Breakout preventing method in continuous casting

Info

Publication number
JPS55109553A
JPS55109553A JP1718379A JP1718379A JPS55109553A JP S55109553 A JPS55109553 A JP S55109553A JP 1718379 A JP1718379 A JP 1718379A JP 1718379 A JP1718379 A JP 1718379A JP S55109553 A JPS55109553 A JP S55109553A
Authority
JP
Japan
Prior art keywords
current
breakout
rate
becomes
occurrence
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
JP1718379A
Other languages
Japanese (ja)
Inventor
Takeji Egashira
Arata Ogasawara
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP1718379A priority Critical patent/JPS55109553A/en
Publication of JPS55109553A publication Critical patent/JPS55109553A/en
Pending legal-status Critical Current

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  • Continuous Casting (AREA)

Abstract

PURPOSE: To prevent the occurrence of breakout by detecting sticking phenomena with an electrical means, forecasting the occurrence of breakout and decreasing the rate of pouring.
CONSTITUTION: In a normal casting state, a part between the inside surface of a mold 3 and shell 4 is insulated by the uniform inflow of powder 7 and the applied voltage becomes the closed circuit of molten steel 5, float rolls 6, cooling water, earth 22, connection point 21, circuit provided with detecting coil 24 and power source 17. The current ID becomes of a high level and the current IU of an approximately zero level. When sticking occurs, the powder film breaks locally and the current from the molten steel 5 passes therethrough and shunts to the connection points 20, 21. Since the distance from the mold meniscus part to the connection points 20, 21 is made smaller for the former, the current IU becomes of a high level. When the IU/ID signal from a rate operator 31 becomes higher than safe current rate, the rate of casing is decreased and the occurrence of breakout prevented.
COPYRIGHT: (C)1980,JPO&Japio
JP1718379A 1979-02-19 1979-02-19 Breakout preventing method in continuous casting Pending JPS55109553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1718379A JPS55109553A (en) 1979-02-19 1979-02-19 Breakout preventing method in continuous casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1718379A JPS55109553A (en) 1979-02-19 1979-02-19 Breakout preventing method in continuous casting

Publications (1)

Publication Number Publication Date
JPS55109553A true JPS55109553A (en) 1980-08-23

Family

ID=11936821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1718379A Pending JPS55109553A (en) 1979-02-19 1979-02-19 Breakout preventing method in continuous casting

Country Status (1)

Country Link
JP (1) JPS55109553A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553604A (en) * 1982-02-24 1985-11-19 Kawasaki Steel Corporation Method of controlling continuous casting equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553604A (en) * 1982-02-24 1985-11-19 Kawasaki Steel Corporation Method of controlling continuous casting equipment

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