KR970042377A - Coating material for continuous casting machine - Google Patents

Coating material for continuous casting machine Download PDF

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Publication number
KR970042377A
KR970042377A KR1019950067295A KR19950067295A KR970042377A KR 970042377 A KR970042377 A KR 970042377A KR 1019950067295 A KR1019950067295 A KR 1019950067295A KR 19950067295 A KR19950067295 A KR 19950067295A KR 970042377 A KR970042377 A KR 970042377A
Authority
KR
South Korea
Prior art keywords
continuous casting
casting machine
weight
coating material
particle size
Prior art date
Application number
KR1019950067295A
Other languages
Korean (ko)
Other versions
KR0144773B1 (en
Inventor
전진익
Original Assignee
서상기
포철로재 주식회사
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 서상기, 포철로재 주식회사 filed Critical 서상기
Priority to KR1019950067295A priority Critical patent/KR0144773B1/en
Publication of KR970042377A publication Critical patent/KR970042377A/en
Application granted granted Critical
Publication of KR0144773B1 publication Critical patent/KR0144773B1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5212—Organic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mold Materials And Core Materials (AREA)
  • Ceramic Products (AREA)

Abstract

본 발명은 연속주조기용 코팅재에 관한 것으로, 원료 입도를 조정하여 원료 입도를 미세화하고, 섬유질 파이버 및 유기질 구상파이버를 첨가함으로서 기공을 다량으로 발생시키고, 저 비중화하여 단열성을 향상시키고, 내화물의 단가를 절감시킨 비중이 매우 낮은 연속주조기용 코팅재를 제공하는 것이다.The present invention relates to a coating material for a continuous casting machine, by adjusting the raw material particle size to refine the raw material particle size, by adding a fibrous fiber and organic spherical fiber to generate a large amount of pores, low specific gravity to improve the thermal insulation, the unit cost of the refractory It is to provide a coating material for a continuous casting machine having a very low specific gravity.

Description

연속 주조기용 코팅재Coating material for continuous casting machine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (3)

천연 마그네시아, 섬유질 파이버, 셀룰로오스계 구상형 유기질, 규산계, 무기파이버로 구성된 연속주조기용 코팅제에 있어서, 상기 천연 마그네시아 10~50중량%, 섬유질 파이버가 2~3중량%, 셀룰로오스계 구상형 유기잘을 2~4중량%, 규산계 4~7중량%, 무기 파이버가 2중량%이하로 되는 것을 특징으로 하는 연속주조기용 코팅제.In the coating agent for continuous casting machine consisting of natural magnesia, fibrous fiber, cellulose spherical organic, silicic acid, inorganic fiber, 10 to 50% by weight of the natural magnesia, 2-3% by weight of fibrous fiber, cellulose spherical organic well The coating agent for a continuous casting machine, characterized in that 2 to 4% by weight, 4 to 7% by weight of silicic acid-based, inorganic fiber is 2% by weight or less. 제1항에 있어서, 상기 코팅재의 건조비중이 110℃인 경우에 1.5이하고 되고, 소성비중이 1,500℃인 경우에 1.7이하로 되는 것을 특징으로 하는 연속주조기용 코팅재.The coating material for a continuous casting machine according to claim 1, wherein the coating material has a drying ratio of less than 1.5 when the specific gravity is 110 ° C and less than 1.7 when the firing specific gravity is 1,500 ° C. 제1항에 있어서, 상기 천연 마그네시아의 입도크기가 1㎜이하인 경우에 30~50중량%로 되고, 천연 마그네시아 입도크기가 0.5㎜인 경우에 40~59중량%로 되며, 천연 마그네시아의 입도크기가 0.074㎜인 경우에 10~20중량%로 되는 것을 특징으로 하는 연속주조기용 코팅재.The particle size of the natural magnesia is 30 to 50% by weight when the particle size of the natural magnesia is 1 mm or less, 40 to 59% by weight when the particle size of the natural magnesia is 0.5mm, and the particle size of the natural magnesia is Coating material for a continuous casting machine, characterized in that 10 to 20% by weight in the case of 0.074mm.
KR1019950067295A 1995-12-29 1995-12-29 Coating meterial for tundish KR0144773B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950067295A KR0144773B1 (en) 1995-12-29 1995-12-29 Coating meterial for tundish

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950067295A KR0144773B1 (en) 1995-12-29 1995-12-29 Coating meterial for tundish

Publications (2)

Publication Number Publication Date
KR970042377A true KR970042377A (en) 1997-07-24
KR0144773B1 KR0144773B1 (en) 1998-07-15

Family

ID=19447629

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950067295A KR0144773B1 (en) 1995-12-29 1995-12-29 Coating meterial for tundish

Country Status (1)

Country Link
KR (1) KR0144773B1 (en)

Also Published As

Publication number Publication date
KR0144773B1 (en) 1998-07-15

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