KR20090069607A - 산소 농도 제어 방법 - Google Patents
산소 농도 제어 방법 Download PDFInfo
- Publication number
- KR20090069607A KR20090069607A KR1020070137321A KR20070137321A KR20090069607A KR 20090069607 A KR20090069607 A KR 20090069607A KR 1020070137321 A KR1020070137321 A KR 1020070137321A KR 20070137321 A KR20070137321 A KR 20070137321A KR 20090069607 A KR20090069607 A KR 20090069607A
- Authority
- KR
- South Korea
- Prior art keywords
- oxygen concentration
- flow rate
- oxygen
- signal
- fuel flow
- Prior art date
Links
Images
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
-
- 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
- F27D19/00—Arrangements of controlling devices
-
- 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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
-
- 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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
- F27D2019/0043—Amount of air or O2 to the burner
-
- 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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0065—Regulation involving controlled section modification
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Description
Claims (2)
- 사용자 설정 산소 농도를 바탕으로 산소농도 제어루프를 통해 가열로에서의 산소농도를 제어하는 산소 농도 제어 방법에 있어서,연료유량설정신호를 입력받는 단계;이동평균 연산기가 상기 연료유량설정신호의 신호헌팅을 감소시키는 단계;변환함수가 상기 신호헌팅이 감소된 연료유량설정신호를 대응산소농도로 변환하는 단계;가열로 개방시 유입되는 공기의 영향을 고려하도록 상기 대응산소농도를 오프셋시키는 단계; 및상기 오프셋된 대응산소농도를 산소농도 제어루프에서 사용자 설정 산소농도로 사용하는 단계를 포함하는 것을 특징으로 하는 산소 농도 제어 방법.
- 제 1 항에 있어서, 상기 변환함수는상기 연료 유량이 증가함에 따라 상기 대응산소농도가 감소하여 수렴하는 그래프인 것을 특징으로 하는 산소 농도 제어 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070137321A KR100936187B1 (ko) | 2007-12-26 | 2007-12-26 | 산소 농도 제어 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070137321A KR100936187B1 (ko) | 2007-12-26 | 2007-12-26 | 산소 농도 제어 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090069607A true KR20090069607A (ko) | 2009-07-01 |
KR100936187B1 KR100936187B1 (ko) | 2010-01-11 |
Family
ID=41321233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070137321A KR100936187B1 (ko) | 2007-12-26 | 2007-12-26 | 산소 농도 제어 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100936187B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018117625A1 (ko) * | 2016-12-20 | 2018-06-28 | 주식회사 포스코 | 가열로의 산소 농도 제어 장치 및 방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101225262B1 (ko) * | 2010-10-27 | 2013-01-22 | 현대제철 주식회사 | 가열로의 공기 유입 차단장치 |
KR101402748B1 (ko) | 2012-12-21 | 2014-06-02 | 주식회사 포스코 | 가열로의 산소 제어장치 및 제어방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09125122A (ja) * | 1995-10-30 | 1997-05-13 | Taiyo Chuki Co Ltd | 竪型迅速溶解炉における出湯温度に対応した酸素濃度 の制御方法 |
JP2002081867A (ja) * | 2000-09-07 | 2002-03-22 | Daido Steel Co Ltd | 金属酸化物還元炉の導入空気制御装置 |
KR100804233B1 (ko) | 2001-12-21 | 2008-02-18 | 재단법인 포항산업과학연구원 | 다종연료 연소시의 산소농도 제어방법 |
JP2005257234A (ja) | 2004-03-15 | 2005-09-22 | Jfe Engineering Kk | 出滓温度制御方法、出滓温度制御プログラム及び出滓温度制御装置 |
-
2007
- 2007-12-26 KR KR1020070137321A patent/KR100936187B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018117625A1 (ko) * | 2016-12-20 | 2018-06-28 | 주식회사 포스코 | 가열로의 산소 농도 제어 장치 및 방법 |
KR20180071782A (ko) | 2016-12-20 | 2018-06-28 | 주식회사 포스코 | 가열로의 산소 농도 제어 장치 및 방법 |
US11187463B2 (en) | 2016-12-20 | 2021-11-30 | Posco | Apparatus and method for controlling concentration of oxygen in heating furnace |
Also Published As
Publication number | Publication date |
---|---|
KR100936187B1 (ko) | 2010-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2008232501A (ja) | 燃焼加熱炉の空燃比制御システム | |
JP5970368B2 (ja) | ボイラ制御装置 | |
JP2011099608A (ja) | ボイラ燃焼制御装置 | |
KR100936187B1 (ko) | 산소 농도 제어 방법 | |
CN103697494A (zh) | 锅炉风量控制方法及系统 | |
JP6985155B2 (ja) | 特に再生加熱される工業炉を制御下で動作させる方法、開ループ制御及び閉ループ制御装置、並びに、加熱可能な工業炉 | |
KR890000341B1 (ko) | 연소 배기가스중의 산소농도 제어방법 | |
AU2008352208B2 (en) | Method and apparatus of controlling oxygen supply for boiler | |
KR20090068810A (ko) | 가열로의 공연비 제어방법 | |
KR100361246B1 (ko) | 고로 열풍로의 균배압 제어방법 | |
JP4605656B2 (ja) | 火力発電用ボイラと燃焼用空気供給制御方法 | |
JPS6029515A (ja) | 燃焼制御装置 | |
JP6085965B2 (ja) | 給湯装置 | |
JP5523412B2 (ja) | ガスタービンの燃料制御装置 | |
JP2009174741A (ja) | グランドフレアーおよびその燃焼制御方法 | |
JP2004027891A (ja) | 燃料弁開度制御システム | |
KR100689150B1 (ko) | 보일러 공연비 다중제어 시스템 | |
JP7220971B2 (ja) | 燃焼設備の燃焼制御方法 | |
JPH07280256A (ja) | 燃焼炉の炉内圧制御方法 | |
RU2416759C1 (ru) | Способ автоматического регулирования взаимосвязанных процессов нагрузки прямоточного котла в условиях технологических ограничений | |
JPS58168814A (ja) | 燃焼設備の空燃比制御方法 | |
JPH11201445A (ja) | コークス炉ガスバーナ弁の開度自動制御方法 | |
JP2007205224A (ja) | デュアル燃料焚きガスタービンの燃料ガス圧力制御装置及び燃料ガス圧力制御方法 | |
KR100920641B1 (ko) | 취입 미분탄의 편차에 따른 산소량 제어장치 | |
KR840000688B1 (ko) | 칼로리 보정 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121228 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20131107 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20150102 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20160105 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20170102 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20180103 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20190103 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20200103 Year of fee payment: 11 |