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JPS54148104A - Air-heating furnace - Google Patents

Air-heating furnace

Info

Publication number
JPS54148104A
JPS54148104A JP5656378A JP5656378A JPS54148104A JP S54148104 A JPS54148104 A JP S54148104A JP 5656378 A JP5656378 A JP 5656378A JP 5656378 A JP5656378 A JP 5656378A JP S54148104 A JPS54148104 A JP S54148104A
Authority
JP
Japan
Prior art keywords
brick
guiter
combustion
air
heating furnace
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
JP5656378A
Other languages
Japanese (ja)
Inventor
Sumiyuki Kishimoto
Kazuo Kanai
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP5656378A priority Critical patent/JPS54148104A/en
Publication of JPS54148104A publication Critical patent/JPS54148104A/en
Pending legal-status Critical Current

Links

Landscapes

  • Pre-Mixing And Non-Premixing Gas Burner (AREA)

Abstract

PURPOSE: To prevent the change of Guiter brick due to creep at high temperature by enriching oxygen in combustion air and also by regulating the length of flame according to the combustion chamber capacity of external combustion type air- heating furnace and also the distance to the upper surface of regenerator's Guiter brick.
CONSTITUTION: In an external combustion type air-heating furnace using ceramic burners, a high temperature creep-caused change in the high-alumina Guiter brick 4 is often caused by the arrival and combustion of unburned gas to the Guiter brick 3 and 4 of the regenerator 2. Since the safe working limit temperature of the Guiter brick is approx. 1550°C, in case where the calorific value of gas is 1200 kcal/Nm3, oxygen content of combustion air is enriched to 24.5% to enhance the thermal efficiency by effectively burning gas. Also, when flame reaches the upper surface of the Guiter brick 3, the oxygen content of combustion air is enriched to more than 23% and the length of the flame is shortened to prevent the deterioration of Guiter brick, especially the high-alumina brick 4.
COPYRIGHT: (C)1979,JPO&Japio
JP5656378A 1978-05-15 1978-05-15 Air-heating furnace Pending JPS54148104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5656378A JPS54148104A (en) 1978-05-15 1978-05-15 Air-heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5656378A JPS54148104A (en) 1978-05-15 1978-05-15 Air-heating furnace

Publications (1)

Publication Number Publication Date
JPS54148104A true JPS54148104A (en) 1979-11-20

Family

ID=13030586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5656378A Pending JPS54148104A (en) 1978-05-15 1978-05-15 Air-heating furnace

Country Status (1)

Country Link
JP (1) JPS54148104A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012246568A (en) * 2011-05-25 2012-12-13 Linde Ag Heating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012246568A (en) * 2011-05-25 2012-12-13 Linde Ag Heating apparatus

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