JPS5210808A - Method of cleaning orifice for observation and keeping it clean - Google Patents

Method of cleaning orifice for observation and keeping it clean

Info

Publication number
JPS5210808A
JPS5210808A JP7845976A JP7845976A JPS5210808A JP S5210808 A JPS5210808 A JP S5210808A JP 7845976 A JP7845976 A JP 7845976A JP 7845976 A JP7845976 A JP 7845976A JP S5210808 A JPS5210808 A JP S5210808A
Authority
JP
Japan
Prior art keywords
observation
keeping
clean
cleaning orifice
orifice
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
JP7845976A
Other languages
Japanese (ja)
Inventor
Piretsute Robaato
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of JPS5210808A publication Critical patent/JPS5210808A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/02—Observation or illuminating devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476—Non-optical details, e.g. housings, mountings, supports
    • G02B23/2492—Arrangements for use in a hostile environment, e.g. a very hot, cold or radioactive environment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
    • F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
JP7845976A 1975-07-01 1976-07-01 Method of cleaning orifice for observation and keeping it clean Pending JPS5210808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE830896 1975-07-01

Publications (1)

Publication Number Publication Date
JPS5210808A true JPS5210808A (en) 1977-01-27

Family

ID=3861231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7845976A Pending JPS5210808A (en) 1975-07-01 1976-07-01 Method of cleaning orifice for observation and keeping it clean

Country Status (3)

Country Link
JP (1) JPS5210808A (en)
BE (1) BE830896A (en)
FR (1) FR2316564A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354386A1 (en) * 1976-06-11 1978-01-06 Centre Rech Metallurgique Observation hole for blast furnaces - using current of compressed gas to keep dust off porthole
US4040473A (en) * 1976-08-13 1977-08-09 The Air Preheater Company, Inc. Annular lens cleaner
GB8829695D0 (en) * 1988-12-20 1989-02-15 British Steel Plc Observation of furnace interiors
CH714454A2 (en) 2017-12-15 2019-06-28 T Meili Reto Device for monitoring processes inside explosion-proof reaction vessels.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178460A (en) * 1974-12-27 1976-07-08 Ikuo Tajima RENDOSHIKITATOGATASHISHUMISHIN

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920585A (en) * 1955-12-30 1960-01-12 Babcock & Wilcox Co Observation or lance door
US3276442A (en) * 1965-02-24 1966-10-04 Combustion Eng Furnace observation port
LU52435A1 (en) * 1966-11-24 1968-06-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178460A (en) * 1974-12-27 1976-07-08 Ikuo Tajima RENDOSHIKITATOGATASHISHUMISHIN

Also Published As

Publication number Publication date
FR2316564B1 (en) 1982-07-23
BE830896A (en) 1976-01-02
FR2316564A1 (en) 1977-01-28

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