JPH0356040U - - Google Patents
Info
- Publication number
- JPH0356040U JPH0356040U JP1990090141U JP9014190U JPH0356040U JP H0356040 U JPH0356040 U JP H0356040U JP 1990090141 U JP1990090141 U JP 1990090141U JP 9014190 U JP9014190 U JP 9014190U JP H0356040 U JPH0356040 U JP H0356040U
- Authority
- JP
- Japan
- Prior art keywords
- opacity
- detector
- loss
- multiplier
- output
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 4
- 239000003546 flue gas Substances 0.000 claims 4
- 239000000446 fuel Substances 0.000 claims 4
- 239000001301 oxygen Substances 0.000 claims 4
- 229910052760 oxygen Inorganic materials 0.000 claims 4
- 239000006227 byproduct Substances 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/08—Measuring temperature
- F23N2225/10—Measuring temperature stack temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/22—Measuring heat losses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/22—Measuring heat losses
- F23N2225/24—Measuring heat losses indicated in an amount of money
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2231/00—Fail safe
- F23N2231/20—Warning devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
- Feedback Control In General (AREA)
Description
第１図は、本考案に従つた燃焼作動における損
失を最小限とするための装置のブロツク図である
。第２図は、燃焼作動による負荷指数に対する最
良の先決空気要求量を示すグラフである。第３図
は、燃焼作動における種々の損失を表わす空気要
求量に対する費用（ドル）を示すグラフである。
３０，３２，４６，４８，５０……トランスミ
ツタ、３４，６０……関数発生器、３６，４２，
４４，５２，５４，５６，５８……掛算器、６２
……加算ユニツト、６６……制限・警報ユニツト
。
FIG. 1 is a block diagram of an apparatus for minimizing losses in combustion operations according to the present invention. FIG. 2 is a graph showing the best pre-emptive air demand versus load index due to combustion operation. FIG. 3 is a graph showing cost (in dollars) versus air demand representing various losses in combustion operation. 30, 32, 46, 48, 50... Transmitter, 34, 60... Function generator, 36, 42,
44, 52, 54, 56, 58... Multiplier, 62
... Addition unit, 66 ... Limitation/warning unit.
Claims (1)
スは未燃焼副産物及び酸素を有し且つ或る煙突温
度とされる燃焼作動において諸損失を減少せしめ
るための装置であつて、煙突温度を測定するため
の温度トランスミツタと：煙道ガス中の未燃焼酸
素を検知するための酸素検知器と；煙道ガス中の
未燃焼副産物の量を検知するための少なくとも１
つの未燃焼副産物と；煙道ガスの不透明度を検知
するための不透明度検知器と；燃焼作動の負荷指
数に比例する燃焼作動のための負荷レベルを確立
するための手段と；前記温度トランスミツタと酸
素検知器とに連結されてそしてこれらトラスミツ
タと検知器とによつて発生した値を掛けるための
第１の掛算器と；前記負荷レベル確立手段と前記
第１掛算器の出力との間に連結された第２の掛算
器と；前記第２掛算器の出力に連結され、空気加
熱損失値を発生する第１の費用係数ユニツトと；
前記負荷レベル確立手段と前記少なくとも１つの
未燃焼副産物検知器との間に連結された第３の掛
算器と；前記第３掛算器の出力に連結され、燃焼
作動による未燃焼副産物損失に比例した或る量を
発生する第２の費用係数ユニツトと；前記不透明
度検知器に連結され、前記不透明度検知器によつ
て検知された不透明度の量に、不透明度が限界に
達したときに科される罰金にまで増大される或る
量を掛けるための関数発生器と；前記関数発生器
の出力及び不透明度損失量発生手段に連結された
第４の掛算器と；前記第２費用係数ユニツトの出
力及び前記第４掛算器に連結され、燃焼作動の総
燃料損失量を発生するための加算ユニツトと；前
記加算ユニツトの出力、前記第１費用係数ユニツ
トの出力及び前記負荷レベル確立手段に連結され
、燃料損失量、空気加熱損失量、並びに燃料損失
と空気加熱損失との加算値が最小とされる空気要
求信号を発生せしめるための損失指数最小化ユニ
ツトを具備することを特徴とする燃焼制御装置。 A device for reducing losses in combustion operations in which fuel and air are combusted at low levels and the flue gas contains unburned by-products and oxygen and is at a certain chimney temperature. a temperature transmitter for measuring: an oxygen detector for detecting unburned oxygen in the flue gas; and at least one for detecting the amount of unburned byproducts in the flue gas.
an opacity detector for detecting the opacity of the flue gas; means for establishing a load level for the combustion operation that is proportional to the load index of the combustion operation; and said temperature transmitter. and an oxygen detector and for multiplying the values generated by the transmitter and the detector; between the load level establishing means and the output of the first multiplier; a second multiplier connected; a first cost factor unit connected to the output of the second multiplier and generating an air heating loss value;
a third multiplier coupled between the load level establishing means and the at least one unburned byproduct detector; a second cost factor unit coupled to the opacity detector for generating a quantity; a second cost factor unit configured to impose an penalty on the quantity of opacity detected by the opacity detector when the opacity reaches a limit; a fourth multiplier connected to the output of said function generator and the opacity loss quantity generating means; said second cost factor unit; a summing unit coupled to the output of the summing unit, the output of the first cost factor unit and the fourth multiplier for generating the total fuel loss of the combustion operation; and a loss index minimizing unit for generating an air demand signal that minimizes the amount of fuel loss, the amount of air heating loss, and the sum of the fuel loss and air heating loss. Device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43821682A | 1982-11-01 | 1982-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0356040U true JPH0356040U (en) | 1991-05-29 |
Family
ID=23739730
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58203785A Pending JPS59131824A (en) | 1982-11-01 | 1983-11-01 | Combustion control method and device through which loss is minimized |
| JP1990090141U Pending JPH0356040U (en) | 1982-11-01 | 1990-08-30 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58203785A Pending JPS59131824A (en) | 1982-11-01 | 1983-11-01 | Combustion control method and device through which loss is minimized |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0108586B1 (en) |
| JP (2) | JPS59131824A (en) |
| KR (1) | KR880001507B1 (en) |
| BR (1) | BR8306128A (en) |
| CA (1) | CA1197011A (en) |
| DE (1) | DE3376871D1 (en) |
| ES (1) | ES8501511A1 (en) |
| HK (1) | HK98988A (en) |
| IN (1) | IN160113B (en) |
| MX (1) | MX168154B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4308055A1 (en) * | 1993-03-13 | 1994-09-15 | Rwe Entsorgung Ag | Process for controlling thermal processes |
| KR20040019462A (en) * | 2002-08-28 | 2004-03-06 | 김은기 | Unberned Carbon and Air Damper Control System for Boiler Optimal Combustion |
| KR101021293B1 (en) * | 2008-10-02 | 2011-03-11 | 한국전력공사 | Pure oxygen boiler combustion gas property automatic calculation system and method |
| KR101237995B1 (en) * | 2010-10-29 | 2013-02-27 | 한국전력공사 | Apparatus and Method for maintaining Optimum efficiency of boiler |
| CN103256623B (en) * | 2012-02-20 | 2015-06-17 | 宝山钢铁股份有限公司 | Method for flexibly controlling air excess coefficient of impulse burner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2021815B (en) * | 1978-05-24 | 1983-01-26 | Land Pyrometers Ltd | Automatic control of burnes |
| GB2064780B (en) * | 1979-11-23 | 1984-04-18 | Neotronics Ltd | Apparatus for measuring the efficiency of combustion appliances |
| US4360336A (en) * | 1980-11-03 | 1982-11-23 | Econics Corporation | Combustion control system |
| JPS57174620A (en) * | 1981-04-20 | 1982-10-27 | Sumitomo Metal Ind Ltd | Combustion control system |
| JPS57174618A (en) * | 1981-04-22 | 1982-10-27 | Fuji Electric Co Ltd | Control system for variable spped fan in combustion equipment |
| AU559412B2 (en) * | 1981-12-10 | 1987-03-12 | International Control Automation Finance Sa | Steam generator on-line efficiency monitor |
-
1983
- 1983-10-26 KR KR1019830005061A patent/KR880001507B1/en not_active Expired
- 1983-10-27 ES ES526800A patent/ES8501511A1/en not_active Expired
- 1983-10-27 IN IN1321/CAL/83A patent/IN160113B/en unknown
- 1983-10-31 CA CA000440048A patent/CA1197011A/en not_active Expired
- 1983-10-31 MX MX199270A patent/MX168154B/en unknown
- 1983-10-31 DE DE8383306625T patent/DE3376871D1/en not_active Expired
- 1983-10-31 EP EP83306625A patent/EP0108586B1/en not_active Expired
- 1983-11-01 JP JP58203785A patent/JPS59131824A/en active Pending
- 1983-11-01 BR BR8306128A patent/BR8306128A/en not_active IP Right Cessation
-
1988
- 1988-12-08 HK HK989/88A patent/HK98988A/en unknown
-
1990
- 1990-08-30 JP JP1990090141U patent/JPH0356040U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0108586A1 (en) | 1984-05-16 |
| EP0108586B1 (en) | 1988-06-01 |
| ES526800A0 (en) | 1984-12-01 |
| KR880001507B1 (en) | 1988-08-16 |
| ES8501511A1 (en) | 1984-12-01 |
| HK98988A (en) | 1988-12-16 |
| JPS59131824A (en) | 1984-07-28 |
| CA1197011A (en) | 1985-11-19 |
| KR840007168A (en) | 1984-12-05 |
| IN160113B (en) | 1987-06-27 |
| DE3376871D1 (en) | 1988-07-07 |
| BR8306128A (en) | 1984-06-12 |
| MX168154B (en) | 1993-05-06 |
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