JPS5451906A - Method of cooling heat indulating pipe at lower portion of skirt in converter exhaust gas combustible gas recovery device - Google Patents

Method of cooling heat indulating pipe at lower portion of skirt in converter exhaust gas combustible gas recovery device

Info

Publication number
JPS5451906A
JPS5451906A JP11731377A JP11731377A JPS5451906A JP S5451906 A JPS5451906 A JP S5451906A JP 11731377 A JP11731377 A JP 11731377A JP 11731377 A JP11731377 A JP 11731377A JP S5451906 A JPS5451906 A JP S5451906A
Authority
JP
Japan
Prior art keywords
pipes
heat insulating
water
skirt
lower portion
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.)
Granted
Application number
JP11731377A
Other languages
Japanese (ja)
Other versions
JPS5617402B2 (en
Inventor
Hiroshi Takase
Takahiro Kiyofuji
Yukinori Shigeyama
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 JP11731377A priority Critical patent/JPS5451906A/en
Publication of JPS5451906A publication Critical patent/JPS5451906A/en
Publication of JPS5617402B2 publication Critical patent/JPS5617402B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/38—Removal of waste gases or dust
    • C21C5/40—Offtakes or separating apparatus for converter waste gases or dust

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)

Abstract

PURPOSE:To prevent the generation of accidents due to the damages of heat insulating pipes while prolonging the durable life, by passing water into the heat insulating pipes at a lower portion of a skirt in a converter exhaust gas combustible gas recovery device by atomizing water while using compressed air as a carrier. CONSTITUTION:A skirt 3 is mounted to an upper portion of an opening portion 4 at an upper portion of a converter 1 to revover combustible gas. In this case, heat insulating pipes 2 are installed to a lower portion of the skirt 3 in order to kreduce the combustion rate of combustible gas at a furnace port of the converter. The heat insulating pipes are produced insuch a manner that a castable coating portion 7 is mounted to the outer circumferences of a plurality of pressure resisting pipes 6 or a smooth portion 9 is installed to the inside of the furnace of a plurality of half pressure resisting pipes 8. Compressed air with approx. 5kg/mm<2> pressure and water are fed into the pressure resisting pipes 6, 8, water is passed through the pressure resisting pipes 6, 8 by atomizing water, and the heat insulating pipes 2 at the lower portion are cooled by the change of atomized water into steam. Since cooling water drops into the converter even if the heat insulating pipes 2 are drilled by contact with base metal accumulated portions 5, there is no danger causing explosion accidents.
JP11731377A 1977-10-01 1977-10-01 Method of cooling heat indulating pipe at lower portion of skirt in converter exhaust gas combustible gas recovery device Granted JPS5451906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11731377A JPS5451906A (en) 1977-10-01 1977-10-01 Method of cooling heat indulating pipe at lower portion of skirt in converter exhaust gas combustible gas recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11731377A JPS5451906A (en) 1977-10-01 1977-10-01 Method of cooling heat indulating pipe at lower portion of skirt in converter exhaust gas combustible gas recovery device

Publications (2)

Publication Number Publication Date
JPS5451906A true JPS5451906A (en) 1979-04-24
JPS5617402B2 JPS5617402B2 (en) 1981-04-22

Family

ID=14708649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11731377A Granted JPS5451906A (en) 1977-10-01 1977-10-01 Method of cooling heat indulating pipe at lower portion of skirt in converter exhaust gas combustible gas recovery device

Country Status (1)

Country Link
JP (1) JPS5451906A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020022460A1 (en) * 2018-07-25 2020-01-30 日本製鉄株式会社 Converter waste gas treatment device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5962301U (en) * 1982-10-18 1984-04-24 三菱重工業株式会社 oil tank equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020022460A1 (en) * 2018-07-25 2020-01-30 日本製鉄株式会社 Converter waste gas treatment device
CN112004946A (en) * 2018-07-25 2020-11-27 日本制铁株式会社 Converter exhaust gas treatment device

Also Published As

Publication number Publication date
JPS5617402B2 (en) 1981-04-22

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