KR970033173A - Method for manufacturing complex tube using thermite reaction - Google Patents

Method for manufacturing complex tube using thermite reaction Download PDF

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Publication number
KR970033173A
KR970033173A KR1019950061777A KR19950061777A KR970033173A KR 970033173 A KR970033173 A KR 970033173A KR 1019950061777 A KR1019950061777 A KR 1019950061777A KR 19950061777 A KR19950061777 A KR 19950061777A KR 970033173 A KR970033173 A KR 970033173A
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KR
South Korea
Prior art keywords
tube
metal tube
thermite
thermite reaction
reaction
Prior art date
Application number
KR1019950061777A
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Korean (ko)
Inventor
성환진
마봉열
안상호
Original Assignee
김종진
포항종합제철주식회사
신창식
재단법인 산업과학기술연구소
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.)
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Publication date
Application filed by 김종진, 포항종합제철주식회사, 신창식, 재단법인 산업과학기술연구소 filed Critical 김종진
Priority to KR1019950061777A priority Critical patent/KR970033173A/en
Publication of KR970033173A publication Critical patent/KR970033173A/en

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Abstract

본 발명은 각종 유체 또는 분말 수송관, 배관이나 화학반응용관으로 사용되는 복합관의 제조방법에 관한 것으로서, 그 목적은 내부표면에 치밀한 세라믹층이 형성될 수 있는 복합관의 제조방법을 제공함에 있다.The present invention relates to a method for producing a composite tube for use in various fluid or powder transport tubes, pipes or chemical reaction tubes, and an object thereof is to provide a method for manufacturing a composite tube in which a dense ceramic layer can be formed on an inner surface thereof.

본 발명은 회전몰드(1)의 내측에 금속관(2)을 삽입하고, 상기 금속관(2)의 내부에 테르밋(thermit) 반응용 혼합 분말을 장입한 후 상기 급속관(2)을 회전시키면서 상기 혼합분말의 점화로 일어나는 테르밋 반응열을 이용하여 금속관(2)의 내부에 세라믹층을 형성시킴을 포함하는 복합관(10)의 제조방법에 있어서, 상기 테르밋 반응직후에 금속관(2)의 내부에 형성되는 세라믹 생성물층(4)의 표면을 강제 냉각시키는 테르밋 반응을 이용한 복합관의 제조방법에 관한 것을 그 기술적 요지로 한다.The present invention is inserted into the metal tube (2) inside the rotary mold (1), the mixture of thermite (thermit) reaction powder into the inside of the metal tube (2), and then the mixing while rotating the rapid tube (2) In the method of manufacturing a composite tube 10 comprising forming a ceramic layer inside the metal tube 2 by using thermite reaction heat generated by the ignition of the powder, the ceramic formed inside the metal tube 2 immediately after the thermite reaction The technical gist of the present invention relates to a method for producing a composite tube using a thermite reaction for forcibly cooling the surface of the product layer 4.

Description

테르밋 반응을 이용한 복합관 제조방법Method for manufacturing complex tube using thermite reaction

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

제1도는 일반적인 테르밋 반응에 의해 제조된 복합관의 단면 모식도.1 is a schematic cross-sectional view of a composite tube produced by a general thermite reaction.

제2도는 종래의 방법으로 제조한 복합관의 단면사진.2 is a cross-sectional photograph of a composite tube manufactured by a conventional method.

제3도는 제2도와 동일한 복합관의 세라믹층의 표면사진.3 is a photograph of the surface of the ceramic layer of the same composite tube as in FIG.

제4도는 본 발명에 의한 제조된 복합관의 단면사진.Figure 4 is a cross-sectional picture of the composite tube produced according to the present invention.

Claims (3)

회전몰드(1)의 내측에 금속관(2)을 삽입하고, 상기 금속관(2)의 내부에 테르밋(thermit) 반응용 혼합분말을 장입한 후, 상기 금속관(2)을 회전시키면서 상기 혼합분말의 점화로 일어나는 테르밋 반응열을 이용하여 금속관(2)의 내부에 세라믹층을 형성시킴을 포함하는 복합관(10)의 제조방법에 있어서, 상기 테르밋 반응직후에 금속관(2)의 내부에 형성되는 세라믹 생성물층(4)의 표면을 강제 냉각시킴을 특징으로 하는 테르밋 반응을 이용한 복합관의 제조방법.A metal tube 2 is inserted into the rotary mold 1, a mixed powder for thermite reaction is charged into the metal tube 2, and the metal tube 2 is rotated while ignition of the mixed powder. In the method of manufacturing a composite tube 10 comprising forming a ceramic layer inside the metal tube (2) by using the thermal reaction of thermite, the ceramic product layer formed inside the metal tube (2) immediately after the thermite reaction ( Method for producing a composite tube using thermite reaction characterized in that the surface of 4) forced cooling. 제1항에 있어서, 상기 강제냉각을 액화가스에 의해 행함을 특징으로 하는 테르밋 반응을 이용한 복합관의 제조방법.The method of manufacturing a composite tube using thermite reaction according to claim 1, wherein the forced cooling is performed by liquefied gas. 제2항에 있어서, 상기 액화가스는 액체 이산화탄소, 액체질소 및 액체헬륨으로 이루어진 그룹으로부터 선택된 1종임을 특징으로 하는 테르밋 반응을 이용한 복합관의 제조방법.The method of claim 2, wherein the liquefied gas is one selected from the group consisting of liquid carbon dioxide, liquid nitrogen, and liquid helium. ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019950061777A 1995-12-28 1995-12-28 Method for manufacturing complex tube using thermite reaction KR970033173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950061777A KR970033173A (en) 1995-12-28 1995-12-28 Method for manufacturing complex tube using thermite reaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950061777A KR970033173A (en) 1995-12-28 1995-12-28 Method for manufacturing complex tube using thermite reaction

Publications (1)

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KR970033173A true KR970033173A (en) 1997-07-22

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KR1019950061777A KR970033173A (en) 1995-12-28 1995-12-28 Method for manufacturing complex tube using thermite reaction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100729215B1 (en) * 2006-09-26 2007-06-19 한국지질자원연구원 Ceramic lining for pipe using high-speed centrifugal thermit reactor and lined layer's properties

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100729215B1 (en) * 2006-09-26 2007-06-19 한국지질자원연구원 Ceramic lining for pipe using high-speed centrifugal thermit reactor and lined layer's properties

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