JPH04208305A - Method for controlling solid product combustion device - Google Patents
Method for controlling solid product combustion deviceInfo
- Publication number
- JPH04208305A JPH04208305A JP2340004A JP34000490A JPH04208305A JP H04208305 A JPH04208305 A JP H04208305A JP 2340004 A JP2340004 A JP 2340004A JP 34000490 A JP34000490 A JP 34000490A JP H04208305 A JPH04208305 A JP H04208305A
- Authority
- JP
- Japan
- Prior art keywords
- values
- control
- fuzzy
- correction
- response
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000012265 solid product Substances 0.000 title 1
- 239000002699 waste material Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 abstract description 12
- 239000011159 matrix material Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 239000011343 solid material Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- UFHLMYOGRXOCSL-UHFFFAOYSA-N isoprothiolane Chemical compound CC(C)OC(=O)C(C(=O)OC(C)C)=C1SCCS1 UFHLMYOGRXOCSL-UHFFFAOYSA-N 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- F23N2223/00—Signal processing; Details thereof
- F23N2223/52—Fuzzy logic
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ごみ焼却装置等の固形燃焼装置の自動燃焼制
御に適用される固形燃焼装置の制御方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for controlling a solid combustion device, which is applied to automatic combustion control of a solid combustion device such as a garbage incinerator.
従来、ごみ焼却装置の炉はほぼ第２図に示すように構成
され、ごみピットからクレーンで搬送された燃料として
のごみは焼却炉（１）の投入ホッパ（２）に投入される
。Conventionally, the furnace of a garbage incinerator is constructed approximately as shown in FIG. 2, and garbage used as fuel is transported by a crane from a garbage pit and is charged into an input hopper (2) of an incinerator (1).
そして、投入されたごみは図中の斜線に示すように堆積
した状態で下方の乾燥火格子（３）に送られ、この火格
子（３）により、下方の風箱（４）からの熱風で乾燥さ
れる。The thrown garbage is then sent to the lower drying grate (3) in a piled state as shown by the diagonal lines in the figure, and through this grate (3), the hot air from the lower air box (4) dried.
さらに、火格子（３）の乾燥されたごみは、燃焼火格子
（５）に送られて燃焼される。Furthermore, the dried waste on the grate (3) is sent to the combustion grate (5) to be burned.
なお、火格子（５）４ま前段格子（５ａ）と後段格子（
５ｂ）とからなり、両格子（５ａ） 、 （５ｂ）にそ
れぞれの下方の風箱（６ａ） 、 （６ｂ）からの燃焼
用の熱風が送られる。In addition, the grate (5), the front grate (5a) and the rear grate (
5b), and hot air for combustion is sent to both the grates (5a) and (5b) from the lower wind boxes (6a) and (6b), respectively.
そして、火格子（５）で燃焼されたごみは、完全に燃焼
するため、後燃焼火格子（７）で送られてさらに燃焼さ
れる。Then, in order to completely burn the garbage burned in the grate (5), it is sent to the post-combustion grate (7) for further combustion.
なお、火格子（７）にも下方の風箱（８）からの燃焼用
の熱風が送られる。Incidentally, hot air for combustion is also sent to the fire grate (7) from the lower air box (8).
また、火格子（７）の燃焼により生じた灰は、炉内の灰
ビット（９）に堆積する。Also, the ash produced by the combustion of the grate (7) is deposited on the ash bit (9) in the furnace.
そして、炉内の熱によりボイラα・で蒸気が発生し、こ
の蒸気が蒸気管路αυを介して外部に送られ、利用され
る。Then, steam is generated in the boiler α due to the heat in the furnace, and this steam is sent to the outside via the steam pipe αυ and used.
ところで、各風箱（４１、（６ａ） 、 （６ｂ） 、
（８）に適当な熱風を供給するため、空気管路側の１
次空気がエアヒータａ３により加熱され、エアヒータダ
ンパａａ及び風箱（４）、 （６ａ） 、 （６ｂ）
、 （８）の下部の乾燥火格子ダンパＱＳ、燃焼空気ダ
ンパ（１６ａ）、燃焼火格子ダンパ（１６ｂ）。By the way, each wind box (41, (6a), (6b),
In order to supply suitable hot air to (8),
Next air is heated by air heater a3, air heater damper aa and wind boxes (4), (6a), (6b)
, (8) lower dry grate damper QS, combustion air damper (16a), combustion grate damper (16b).
ａｌにより調整されて風箱（４） 、 （６ａ） 、
（６ｂ） 、 （８）それぞれに送られる。Wind box (4), (6a), adjusted by al.
(6b) and (8) respectively.
また、炉内には空気管路０酔の２次空気が送風ダンパａ
嘩を介して供給される。In addition, the secondary air in the air pipe is blown into the furnace by the blower damper a.
Supplied through fights.
一方、焼却炉（１）の燃焼を制御するため、炉内の温度
、圧力が温度センサ（２０） 、圧力センサ（２１）に
より検出され、風箱（４） 、（６ａ）の圧力が圧力セ
ンサ（２２） 、 （２３）それぞれにより検出される
。On the other hand, in order to control combustion in the incinerator (1), the temperature and pressure inside the furnace are detected by a temperature sensor (20) and a pressure sensor (21), and the pressure in the wind boxes (4) and (6a) is detected by a pressure sensor. (22) and (23), respectively.
また、ボイラα・の発生蒸気量が流量センサ（２４）に
より検出され、１次空気、２次空気の量が流量センサ（
２５） 、 （２６）により検出される。In addition, the amount of steam generated in boiler α is detected by the flow sensor (24), and the amount of primary air and secondary air is detected by the flow sensor (24).
25) and (26).
なお、第２図において、（２７＞は炉内の仕切壁、（２
Ｂ ）’はボイラ顛に接続された水管群を示す。In addition, in Fig. 2, (27> is the partition wall inside the furnace, (2
B)' shows a group of water pipes connected to the boiler frame.
そして、焼却炉（１）の各センサ（２０）〜（２６）等
の検出信号（センサ出力）は、従来、第３図に示す構成
の自動燃焼の制御装置（２７Ａ）に供給される。Detection signals (sensor outputs) from the sensors (20) to (26) of the incinerator (1) are conventionally supplied to an automatic combustion control device (27A) having the configuration shown in FIG. 3.
この制御装Ｗ （２７Ａ） は、ＰＩＤ構成のフィード
バック制御の演算部（２Ｂ）、補正用の設定値の操作設
定部（２９）及び制御値を出力°する加算部（３０）か
らなる。This control device W (27A) consists of a PID-configured feedback control calculating section (2B), a correction set value operation setting section (29), and an adding section (30) that outputs a control value.
そして、各センサ（２０）〜（２６）等が形成するセン
サ部（３１）の各検出信号が演算部（２８）に供給され
ると、この演算部（２８）は各検出信号を収集し、燃料
供給量、燃焼状態等の燃焼運転の各制御対象についての
帰還制御量を演算し、各演算値を加算部（３０）に出力
する。Then, when each detection signal of the sensor unit (31) formed by each sensor (20) to (26) etc. is supplied to the calculation unit (28), this calculation unit (28) collects each detection signal, The feedback control amount for each control target of combustion operation, such as fuel supply amount and combustion state, is calculated, and each calculated value is output to the adding section (30).
一方、操作設定部（２９）は作業員（運転員）の運転監
視に基づく手動操作により、例えば各演算値に基づく制
御範囲を超える異常が発生したときに、その異常に対応
する補正用の各設定値がセットされる。On the other hand, when an abnormality that exceeds the control range based on each calculated value occurs due to manual operation by a worker (operator) based on operation monitoring, the operation setting section (29) sets various corrective settings corresponding to the abnormality. The setting value is set.
そして、加算部（３０）により演算部（２８）の各演算
値に操作設定部（２９）の各設定値が加算されて各制御
値が形成され、この各制御値の信号がアクチュエータ部
（３２）の各ダンパα（、・・・等に供給される。Then, each setting value of the operation setting part (29) is added to each calculation value of the calculation part (28) by the addition part (30) to form each control value, and the signal of each control value is sent to the actuator part (32). ) are supplied to each damper α(,..., etc.).
この供給により各ダンパ０船、・・・の調整量等が制御
されて燃料供給量、燃焼状態等が調整され、焼却炉（１
）の燃焼が異常の発生等を防止してフィードバック制御
される。By this supply, the adjustment amount of each damper 0 ship, etc. is controlled, the fuel supply amount, combustion state, etc. are adjusted, and the incinerator (1
) combustion is feedback-controlled to prevent abnormalities from occurring.
なお、補正用の各設定値は、例えばごみの状態を示すご
み質傾向、火格子（３）、 （５１のごみ移動速度を決
定するすべり率等の値であり、予め設定された加算組合
せ等に基づき、各演算値に選択約６こ加算される。In addition, each set value for correction is, for example, a value such as a tendency of waste quality indicating the condition of the waste, a sliding rate that determines the waste movement speed of grate (3), (51), etc., and a preset addition combination, etc. Approximately 6 selections are added to each calculated value based on .
前記従来のごみ焼却装置の制御方法の場合、各演算値に
加算される補正用の各設定値が作業員の勘、経験に基づ
く手動操作で設定されるため、専間の作業員を要し、省
人化が図れない問題点がある。In the case of the conventional waste incinerator control method described above, each set value for correction that is added to each calculated value is set manually based on the intuition and experience of the worker, so a dedicated worker is required. , there is a problem that labor saving cannot be achieved.
しかも、作業員の個人差等で制御の速度、精度等がばら
つき、制御の安定化が図れない問題点もある。Furthermore, there are also problems in that control speed, accuracy, etc. vary due to individual differences among workers, making it difficult to stabilize control.
そして、ごみ焼却装置以外の産業廃棄物、木屑（パーク
）１石炭塊、バーガス等の種々の固形燃料を使用する燃
焼装置の制御方法においても、補正用の設定値が手動操
作で設定されるため、前記と同様の問題点が生じ・る。Also, in the control method of combustion equipment other than garbage incineration equipment that uses various solid fuels such as industrial waste, wood chips (park), coal lumps, bar gas, etc., the correction setting values are set manually. , the same problems as above arise.
本発明は、補正用の設定値°を自動的に可変調整してセ
ットし、省人化等を図るようにした固形燃焼装置の制御
方法を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a method of controlling a solid combustion apparatus in which a correction setting value ° is automatically variably adjusted and set, thereby saving manpower.
前記目的を達成するために、本発明の固形燃焼装置の＄
ｌ１ｍ方法においては、各センサ出力に基づくファジィ
（Ｆｕｚｚｙ）制御により、補正用の設定値を装置の運
転状況に応じて可変調整する。In order to achieve the above object, the solid combustion device of the present invention
In the l1m method, the set value for correction is variably adjusted according to the operating status of the device by fuzzy control based on the output of each sensor.
前記のように構成された本発明の制御方法の場合、補正
用の設定値が運転状況に応じて自動的に可変調整される
ため、従来のような作業員の運転監視に基づく手動操作
を省いて異常等に応じた適切な補正用の設定値のセット
が行える。In the case of the control method of the present invention configured as described above, the set value for correction is automatically variably adjusted according to the operating situation, so the manual operation based on the operator's operation monitoring as in the past can be omitted. It is possible to set appropriate correction settings according to abnormalities, etc.
１実−施例につき、第１図を参照して説明する。 1. An example will be described with reference to FIG.
同図において、（２７Ｂ）は第３図の制御装置（２７Ａ
）の代わりに設けられた制御装置であり、加算部（３０
）及び演算部（３３）、設定値算出用のファジィ制御部
（３４）からなる。In the same figure, (27B) is the control device (27A) of FIG.
) is a control device provided in place of the adding unit (30
), an arithmetic unit (33), and a fuzzy control unit (34) for calculating set values.
そして、センサ部（３１）の各検出信号は入力処理部（
３３ａ）で収集処理され、検出量演算部（３３ｂ）によ
り各検出対象のフィードバック制御の検出値及び補正用
の各設定値の決定に必要な各検出値に加工されて制御量
算出部（３３ｃ）及びファジィ制御部（３４）に供給さ
れる。Each detection signal of the sensor section (31) is then input to the input processing section (
33a), and is processed by the detection amount calculation unit (33b) into detection values necessary for determining the detection values of feedback control for each detection target and each setting value for correction, and then processed by the control amount calculation unit (33c). and is supplied to the fuzzy control unit (34).
このとき、制御量算出部（３３ｃ）の各検出値に基づ＜
ＰＩＤ制御の各帰還制御量の演算により、演算部（３３
）から加算部（３０）に、第３図の演算部（２８）の出
力と同様の各演算値が出力される。At this time, based on each detected value of the control amount calculation unit (33c)
By calculating each feedback control amount of PID control, the calculation unit (33
) outputs each calculated value similar to the output of the calculation unit (28) in FIG. 3 to the addition unit (30).
一方、ファジィ制御部（３４）はごみ質傾向、すべり率
等の補正用の各設定値の算出用のファジィマトリックス
が予め設定され、各検出値と各ファジィマトリックスと
に基づき、従来は操作設定されていた補正用の各設定値
を常時算出して自動的に形成する。On the other hand, the fuzzy control unit (34) has fuzzy matrices for calculating various set values for correction of waste quality trends, slippage rates, etc., and is conventionally operated and set based on each detected value and each fuzzy matrix. Each correction setting value that has been set is constantly calculated and automatically created.
この形成により、ファジィ制御部（３４）から加算１こ
、焼却炉（１）の運転状況に応じて時々刻々可変調整さ
れる補正用の各設定値が供給される。With this formation, the fuzzy control unit (34) supplies each setting value for correction, which is variably adjusted from time to time according to the operating status of the incinerator (1).
さらに、各演算値と補正用の各設定値とが加算部（３０
）により加算されて各制御値が形成され、この各制御値
によりアクチュエータ部（３２）の各ダンパ圓、・・・
等が調整される。Furthermore, each calculated value and each set value for correction are added to an adder (30
) are added to form each control value, and each damper circle of the actuator section (32),...
etc. will be adjusted.
このとき、補正用の各設定値が運転状況に応じて連続的
に可変調整しながら自動形成されるため、省人化が図れ
るとともに制御の速度、精度が向上して安定化が図られ
る。At this time, each setting value for correction is automatically generated while being continuously and variably adjusted according to the driving situation, so that it is possible to save manpower and improve the speed and accuracy of control, thereby achieving stability.
そして、前記実施例ではごみ燃焼装置の制御に適用した
が、固形燃料を使用する種々の燃焼装置の制御に適用で
きるのは勿論である。Although the embodiment described above is applied to the control of a waste combustion device, it is of course applicable to the control of various combustion devices that use solid fuel.
本発明は、以上説明したように構成されているため、以
下に記載する効果を奏する。Since the present invention is configured as described above, it produces the effects described below.
各センサ出力に基づくファジィ制御により、異常発生時
等の補正用の設定値を運転状況に応じて連続的に可変調
整しながら形成したため、従来の補正用の設定値の操作
設定が省け、省人化が図れる。Using fuzzy control based on the output of each sensor, the set values for correction in the event of an abnormality are continuously variably adjusted according to the operating situation, which eliminates the need to manually set the conventional correction set values, resulting in labor savings. can be achieved.
しかも、補正用の設定値が作業員の個人差の影響等を受
けることなく常時形成されるため、制御の速度、精度が
大幅に向上して制御の安定化が図れる。Moreover, since the correction setting values are constantly formed without being influenced by individual differences among workers, control speed and accuracy are greatly improved, and control can be stabilized.
第１図は本発明の固形燃焼装置の制御方法の１実施例の
ブロック図、第２図はごみ燃焼装置の燃焼炉のブロック
図、第３図は従来例のブロック図である。
（１）・・・燃焼炉、（２７Ｂ）・・・制御装置、（３
０）・・・加算部、（３１）・・・センサ部、（３２）
・・・アクチュエータ部、（３３）・・・演算部、（３
４）・・・ファジィ制御部。
代理人 弁理士 藤１）龍太部
第１図
１ 違背ｆ３３ ；１ｌｔｉ１
２７８ シ１町１１ ３３０ 入〃（１埋
軒３０ηｏｌＪ ３３ｂ−１ｊｌｉｌｉ＊Ｑ
３１− ｃ ンｙ＠ｌｌ ３３ｃ −
ｆＪｆｙｆ％瓜ｎ′３２ 了７九ニー７岬
３４ ７１＞″１詞ン即即第２図
第３図
Ｉ
２７Ａ 制卿（置
２８ 澤ｗＩ−１
２９投浮訝廿ｐFIG. 1 is a block diagram of an embodiment of the solid combustion apparatus control method of the present invention, FIG. 2 is a block diagram of a combustion furnace of a waste combustion apparatus, and FIG. 3 is a block diagram of a conventional example. (1)... Combustion furnace, (27B)... Control device, (3
0)...addition section, (31)...sensor section, (32)
...actuator section, (33) ... calculation section, (3
4)...Fuzzy control section. Agent Patent Attorney Fuji 1) Ryutabe 1 Figure 1 Violation f33; 1lti1 278 Shi1cho 11 330 入〃 (1 buried house 30ηolJ 33b-1jlili*Q
31- c n y@ll 33c -
fJfyf%瓜n'32 了7 9 Knee 7 Misaki
34.
Claims (1)
常発生時等の補正用の設定値を加算して制御値を形成し
、前記制御値により燃焼を制御するごみ焼却装置等の固
形燃焼装置の制御方法において、前記各センサ出力に基
づくファジィ制御により、前記設定値を装置の運転状況
に応じて可変調整することを特徴とする固形燃焼装置の
制御方法。(1) Solid combustion in waste incinerators, etc., where a control value is formed by adding a set value for correction when an abnormality occurs, etc. to the calculated value of feedback control based on various sensor outputs, and combustion is controlled by the control value. A method for controlling a solid combustion apparatus, characterized in that the set value is variably adjusted according to the operating status of the apparatus by fuzzy control based on the outputs of the respective sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2340004A JPH079289B2 (en) | 1990-11-30 | 1990-11-30 | Control method for solid combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2340004A JPH079289B2 (en) | 1990-11-30 | 1990-11-30 | Control method for solid combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04208305A true JPH04208305A (en) | 1992-07-30 |
| JPH079289B2 JPH079289B2 (en) | 1995-02-01 |
Family
ID=18332829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2340004A Expired - Lifetime JPH079289B2 (en) | 1990-11-30 | 1990-11-30 | Control method for solid combustion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079289B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3033097U (en) * | 1996-07-01 | 1997-01-17 | 由紀子 折茂 | Business socks hanger |
-
1990
- 1990-11-30 JP JP2340004A patent/JPH079289B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079289B2 (en) | 1995-02-01 |
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