JPS5441902A - Maintenance of furnace of coke oven - Google Patents

Maintenance of furnace of coke oven

Info

Publication number
JPS5441902A
JPS5441902A JP10769177A JP10769177A JPS5441902A JP S5441902 A JPS5441902 A JP S5441902A JP 10769177 A JP10769177 A JP 10769177A JP 10769177 A JP10769177 A JP 10769177A JP S5441902 A JPS5441902 A JP S5441902A
Authority
JP
Japan
Prior art keywords
black smoke
smoke
coking
time lag
coking chamber
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
JP10769177A
Other languages
Japanese (ja)
Other versions
JPS5747945B2 (en
Inventor
Tokitoshi Fujishiro
Takasumi Aoki
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Industries Ltd
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 Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP10769177A priority Critical patent/JPS5441902A/en
Publication of JPS5441902A publication Critical patent/JPS5441902A/en
Publication of JPS5747945B2 publication Critical patent/JPS5747945B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Coke Industry (AREA)

Abstract

PURPOSE: To detect accurately and quickly which coking chamber is emitting black smoke in an abnormal operation, by using the corresponding relation between the time lag of the detecting signal for black smoke and charging operations.
CONSTITUTION: Many coking chambers 11 in the coke oven 1 are charged with coals, which are leveled with the leveling rod 23 and heated to be carbonized. When cracks occur in the joint of the oven walls 13, the gas leak from the coking operation and emits black smoke from the exhauster 5. The black smoke is detected with the smoke densitometer 6 and the indicator 7 shows the smoke concentration. The coking chamber emitting black smoke 11 is judged by using the corresponding relation between the time lag of the detecting signal for the black smoke and charging operations. For instance, the output signal S2 for the indicator 7 and the leveling signal S1 for the leveling rod 23 in the pusher 2 are charted on the recorder 8. The damaged coking chamber is thus judged by the time lag of the record.
COPYRIGHT: (C)1979,JPO&Japio
JP10769177A 1977-09-09 1977-09-09 Maintenance of furnace of coke oven Granted JPS5441902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10769177A JPS5441902A (en) 1977-09-09 1977-09-09 Maintenance of furnace of coke oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10769177A JPS5441902A (en) 1977-09-09 1977-09-09 Maintenance of furnace of coke oven

Publications (2)

Publication Number Publication Date
JPS5441902A true JPS5441902A (en) 1979-04-03
JPS5747945B2 JPS5747945B2 (en) 1982-10-13

Family

ID=14465509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10769177A Granted JPS5441902A (en) 1977-09-09 1977-09-09 Maintenance of furnace of coke oven

Country Status (1)

Country Link
JP (1) JPS5441902A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5793125U (en) * 1980-11-28 1982-06-08
US5278126A (en) * 1989-03-31 1994-01-11 Ricoh Company, Ltd. Recording process and apparatus and recording medium in the same
US5335001A (en) * 1990-04-09 1994-08-02 Ricoh Company, Ltd. Process and apparatus for forming dot image capable of controlling dot size
US5369421A (en) * 1992-02-14 1994-11-29 Ricoh Company, Ltd. Method of printing colored image and apparatus suitable therefor
US5479382A (en) * 1993-08-23 1995-12-26 Hitachi, Ltd. Information recording medium comprising recording layer capable of recording under-exposure to recording laser beam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5793125U (en) * 1980-11-28 1982-06-08
US5278126A (en) * 1989-03-31 1994-01-11 Ricoh Company, Ltd. Recording process and apparatus and recording medium in the same
US5335001A (en) * 1990-04-09 1994-08-02 Ricoh Company, Ltd. Process and apparatus for forming dot image capable of controlling dot size
US5369421A (en) * 1992-02-14 1994-11-29 Ricoh Company, Ltd. Method of printing colored image and apparatus suitable therefor
US5479382A (en) * 1993-08-23 1995-12-26 Hitachi, Ltd. Information recording medium comprising recording layer capable of recording under-exposure to recording laser beam

Also Published As

Publication number Publication date
JPS5747945B2 (en) 1982-10-13

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