BE830896A - PROCEDURE FOR ENSURING AND MAINTAINING THE CLEANLINESS OF AN OBSERVATION PORT - Google Patents

PROCEDURE FOR ENSURING AND MAINTAINING THE CLEANLINESS OF AN OBSERVATION PORT

Info

Publication number
BE830896A
BE830896A BE6045076A BE6045076A BE830896A BE 830896 A BE830896 A BE 830896A BE 6045076 A BE6045076 A BE 6045076A BE 6045076 A BE6045076 A BE 6045076A BE 830896 A BE830896 A BE 830896A
Authority
BE
Belgium
Prior art keywords
cleanliness
ensuring
maintaining
procedure
observation port
Prior art date
Application number
BE6045076A
Other languages
French (fr)
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 filed Critical
Publication of BE830896A publication Critical patent/BE830896A/en
Priority to DE19762628939 priority Critical patent/DE2628939C2/en

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—Arrangement of monitoring devices; Arrangement 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)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Blast Furnaces (AREA)
BE6045076A 1975-07-01 1975-07-01 PROCEDURE FOR ENSURING AND MAINTAINING THE CLEANLINESS OF AN OBSERVATION PORT BE830896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19762628939 DE2628939C2 (en) 1975-07-01 1976-06-28 Method for keeping an observation opening free, in particular in a blast furnace

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE830896A true BE830896A (en) 1976-01-02

Family

ID=3861231

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6045076A BE830896A (en) 1975-07-01 1975-07-01 PROCEDURE FOR ENSURING AND MAINTAINING THE CLEANLINESS OF AN OBSERVATION PORT

Country Status (3)

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

Cited By (3)

* 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
FR2361620A1 (en) * 1976-08-13 1978-03-10 Svenska Rotor Maskiner Ab CLEANING DEVICE FOR THE OBJECTIVE OF A TEMPERATURE DETECTOR SUITABLE IN PARTICULAR FOR A RECOVERY HEAT EXCHANGER
EP0374642A1 (en) * 1988-12-20 1990-06-27 British Steel plc Observation of furnace interiors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH714454A2 (en) 2017-12-15 2019-06-28 T Meili Reto Device for monitoring processes inside explosion-proof reaction vessels.

Family Cites Families (4)

* 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
JPS5178460A (en) * 1974-12-27 1976-07-08 Ikuo Tajima RENDOSHIKITATOGATASHISHUMISHIN

Cited By (3)

* 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
FR2361620A1 (en) * 1976-08-13 1978-03-10 Svenska Rotor Maskiner Ab CLEANING DEVICE FOR THE OBJECTIVE OF A TEMPERATURE DETECTOR SUITABLE IN PARTICULAR FOR A RECOVERY HEAT EXCHANGER
EP0374642A1 (en) * 1988-12-20 1990-06-27 British Steel plc Observation of furnace interiors

Also Published As

Publication number Publication date
FR2316564B1 (en) 1982-07-23
JPS5210808A (en) 1977-01-27
FR2316564A1 (en) 1977-01-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CENTRUM VOOR RESEARCH IN DE METALLURGIE VZW

Effective date: 19890731

Owner name: CENTRE DE RECHERCHE METALLURGIQUE ASBL

Effective date: 19890731