JPS5210808A - Method of cleaning orifice for observation and keeping it clean - Google Patents
Method of cleaning orifice for observation and keeping it cleanInfo
- 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
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)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Blast Furnaces (AREA)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5178460A (en) * | 1974-12-27 | 1976-07-08 | Ikuo Tajima | RENDOSHIKITATOGATASHISHUMISHIN |
Family Cites Families (3)
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 |
-
1975
- 1975-07-01 BE BE6045076A patent/BE830896A/en not_active IP Right Cessation
-
1976
- 1976-06-29 FR FR7620685A patent/FR2316564A1/en active Granted
- 1976-07-01 JP JP7845976A patent/JPS5210808A/en active Pending
Patent Citations (1)
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 |
---|---|
FR2316564A1 (en) | 1977-01-28 |
BE830896A (en) | 1976-01-02 |
FR2316564B1 (en) | 1982-07-23 |
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