JPH0240410A - Automatic combustion control of municipal waste incinerating furnace - Google Patents
Automatic combustion control of municipal waste incinerating furnaceInfo
- Publication number
- JPH0240410A JPH0240410A JP19189788A JP19189788A JPH0240410A JP H0240410 A JPH0240410 A JP H0240410A JP 19189788 A JP19189788 A JP 19189788A JP 19189788 A JP19189788 A JP 19189788A JP H0240410 A JPH0240410 A JP H0240410A
- Authority
- JP
- Japan
- Prior art keywords
- calorific value
- incinerator
- moisture content
- amount
- exhaust gas
- 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 title claims abstract description 21
- 239000002699 waste material Substances 0.000 title claims description 23
- 239000007789 gas Substances 0.000 claims abstract description 40
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010813 municipal solid waste Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 9
- 238000013179 statistical model Methods 0.000 claims description 3
- 150000002926 oxygen Chemical class 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 15
- 238000001514 detection method Methods 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 101100345589 Mus musculus Mical1 gene Proteins 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 102220059317 rs780155240 Human genes 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Incineration Of Waste (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は都市こみ焼却炉の自動燃焼制御方法に関する。[Detailed description of the invention] Industrial applications The present invention relates to an automatic combustion control method for a municipal waste incinerator.
従来の技術
従来の都市ごみ焼却炉の自動燃焼制御は、たとえば第５
図のフローチャートに示すような手順にて行われていた
。まず、都市ごみ焼却炉の各プロセスにおける各種プロ
セスデータ（温度、圧力、流量等）を収集し、このプロ
セスデータから熱収支計算を行い、設定蒸気発生量を算
出する。そして、算出された設定蒸気発生量と蒸気発生
量とからＰＩＤ演算を行い、演算された値を、燃切点、
こみ厚、かさ比重などに基づいて補正演算し、この補正
演算された値によってブツシャおよびストーカの速度制
御を行い、あるいは燃焼空気ダンパの開閉制御を行って
いた。そして、ごみ質（低位発熱量）の変動に適宜に対
応したオペレーションを行うためには、低位発熱量を適
確に把握することが必要であるが、低位発熱量を実測す
ることは不可能であり、このために従来は、低位発ｖ！
、量を推定する手法として熱収支計算を以下のように行
なっていた。Conventional technology Conventional automatic combustion control of municipal waste incinerators
The procedure was as shown in the flowchart in the figure. First, various process data (temperature, pressure, flow rate, etc.) for each process of the municipal waste incinerator is collected, heat balance is calculated from this process data, and the set amount of steam generation is calculated. Then, PID calculation is performed from the calculated set steam generation amount and steam generation amount, and the calculated value is used as the burn-out point,
Correct calculations were performed based on the thickness, bulk specific gravity, etc., and the speeds of the bushings and stokers were controlled based on the calculated values, or the opening and closing of the combustion air damper was controlled. In order to perform operations that appropriately respond to changes in waste quality (lower calorific value), it is necessary to accurately understand the lower calorific value, but it is impossible to actually measure the lower calorific value. For this reason, conventionally, low-level V!
As a method for estimating the amount, heat balance calculation was performed as follows.
Ｗ′ ：ごみ焼却量（ｔ／ｈ）
Ｇ′ ：ボイラーにおける蒸気発生量（ｔ ／ ｈ、
）Ｈｅ：ごみの低位発熱量（推定量）（にｃａｌ／＋ｑ
ｒ）Ｋ ：燃焼空気流量など他のプロセスデータより決
定されるパラメータ
ｃｒ’＝ＫｘＨｅＸＷ′
Ｇ’
Ｈｅ−て７ｗ・
発明が解決しようとする課題
しかし、ごみ焼却量Ｗ′は焼却炉に投入されたごみ履で
あり、ごみはごみクレーンにより間欠的に焼却炉に投入
されるために、こみ焼却量を連続して測定することは不
可能であった。そのために、１〜２時間をかけてデータ
を収集せねばならず、短時間に現在の燃焼状態を把握す
ることができないために、制御に時間遅れが生じるとと
もに制御精度が悪くなる問題があった。そして、このた
めに、急激なごみ質の変動に対して追従することができ
す、［ごみ山盛パターン」、すなわちごみ質が急に悪化
し、ストーカ上でごみが山盛となって燃焼せず、蒸気の
低下および熱灼減量の増加を招く状態となったり、ある
いは、「ごみ切パターン」すなわち、ごみ質が急に良く
なり、ストーカ上で燃焼しているごみが少なくなって、
蒸気量の急激な低下、およびＮＯｘ′ａ度の増加を招く
状態となる問題があった。W': Amount of waste incinerated (t/h) G': Amount of steam generated in the boiler (t/h,
)He: Lower calorific value (estimated amount) of waste (Nical/+q
r) K: Parameter determined from other process data such as combustion air flow rate cr' = KxHe It was impossible to continuously measure the amount of trash incinerated, as the trash was dumped into the incinerator intermittently by a trash crane. To do this, data had to be collected over a period of 1 to 2 hours, making it impossible to grasp the current combustion status in a short period of time, resulting in a time delay in control and poor control accuracy. . For this reason, it is possible to follow sudden changes in the quality of the garbage, resulting in a ``heaped garbage pattern'', in which the quality of garbage suddenly deteriorates and the garbage piles up on the stoker and does not burn. , resulting in a decrease in steam and an increase in burnout loss, or a "garbage cutting pattern", in which the quality of the waste suddenly improves and the amount of waste being burned on the stoker decreases.
There was a problem in that the amount of steam suddenly decreased and the NOx'a degree increased.
本発明は上記課題を解決するもので、短時間内にごみの
低位発熱量を算出して、時間遅れをなくし、こみ質の変
動に対して適確に対処することができる都市こみ焼却炉
の自動燃焼制御方法を提供することを目自勺とする。The present invention solves the above problems by providing a municipal waste incinerator that can calculate the lower calorific value of waste within a short period of time, eliminate time delays, and accurately deal with fluctuations in waste quality. The aim is to provide an automatic combustion control method.
課題を解決するための手段
上記課題を解決するために、本発明は、焼却炉より排出
された排ガス中の水分および酸素濃度を求め、この酸素
濃度から乾燥ごみの燃焼時に生ずるドライガス量を求め
、このドライガス量と排ガス中の水分との関係から焼却
炉に投入されたごみの水分含有率を求め、あらかじめ統
計モデルとして求められたごみの水分含有率と低位発熱
量の相関から、投入されたごみの水分含有率に対応する
低位発熱量の推算を行い、推算された低位発熱量に基づ
いて焼却炉を適宜に操作する構成とするものである。Means for Solving the Problems In order to solve the above problems, the present invention calculates the moisture and oxygen concentrations in the exhaust gas discharged from the incinerator, and calculates the amount of dry gas generated when dry waste is combusted from this oxygen concentration. The moisture content of the waste put into the incinerator is determined from the relationship between the amount of dry gas and the moisture in the exhaust gas, and from the correlation between the moisture content of the waste and the lower calorific value, which was determined in advance as a statistical model, The structure is such that the lower calorific value corresponding to the moisture content of the garbage is estimated, and the incinerator is operated appropriately based on the estimated lower calorific value.
作用
上記構成により、燃焼によって生ずる排ガス中の水分と
酸素濃度を指標として低位発熱量を推算するので、現時
点で燃焼するごみの低位発熱量が短時間内に算出される
。このことにより、こみ質の変動に対して焼却炉の制御
が時間遅れを伴なわずに、適確に行われる６
実施例
以下、本発明の一実施例を図面に基づいて説明する。第
１図において、焼却炉１の一側にはごみ２を投入するた
めのホッパー３が形成されており、ホッパー３の投入口
３ａの上方にはこみクレーン４が設けられている。そし
て、焼却炉１の内部には、ごみ２を保持して燃焼させる
ためのストーカ５が設けられており、このストーカ５は
、ごみ２の燃焼段階に応じて、ホンパー３の側から乾燥
ストーカ５ａと燃焼ストーカ５ｂと後燃焼ストーカ５Ｃ
の三段階に分割して形成されている。また、ホッパー３
の底部には、ブツシャ６が設けられており、ブツシャ６
はごみ２を乾燥ストーカ５ａ上に押出すためのものであ
る。そして、ストーカ５の下部にはフード７が設けられ
ており、このフード７はストーカ５を通して焼却炉１内
に一次空気を導くとともに、灰を灰ビット８に導くよう
に形成されている。また、フード７に連通して押込送風
機９が設けられている。そして、焼却炉１の他側には、
後燃焼ストーカ５Ｃに隣接して灰排出口１０が形成され
ており、この灰排出口１０の近傍には焼却炉１内の燃焼
状態を観察するための観察窓１ａが形成されている。ま
た、観察窓１ａに対応して工業用テレビカメラ（ＩＴＶ
）１１が配置されている。そして、焼却炉１にはスター
トバーナ１２と、このスタートバーナ１２の燃焼状態を
観察するＩＴＶ１３が設けられている。さらに、焼却炉
１の上方の内部に連通して二次空気送風機１４が設けら
れており、また、焼却炉１内の排風口１５の近傍に位置
して廃熱ボイラ１６が配置されている。そして、廃熱ボ
イラ１６がタービン発電ｌ１１７に連通するとともに、
排風口１５が電気業！［１ｇを介して湿式ガス洗浄装置
１９に連通している。そして、この湿式カス洗浄装置１
９は急冷洗浄部２０と減湿部２１とを有しており、湿式
ガス洗浄装置１９の内部には、急冷洗浄部２０の出口に
位置して温度検出装置２２の第１温度センサ２３が設け
られている。また、湿式ガス洗浄装置１９の入口には、
酸素濃度検出装置２４の酸素センサ２５と、温度検出装
置２２の第２温度センサ２６が設けられている。そして
、温度検出装置２２と酸素濃度検出装置２４はともに演
算装置２７に接続されている。Effect With the above configuration, the lower calorific value is estimated using the moisture and oxygen concentrations in the exhaust gas generated by combustion as indicators, so the lower calorific value of the garbage currently being combusted can be calculated within a short time. As a result, the incinerator can be properly controlled without any time delay in response to fluctuations in waste quality.6 Embodiments An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, a hopper 3 for charging garbage 2 is formed on one side of an incinerator 1, and a garbage crane 4 is provided above an input port 3a of the hopper 3. A stoker 5 for holding and burning the waste 2 is provided inside the incinerator 1, and the stoker 5 is connected to a dry stoker 5a from the side of the homper 3 according to the combustion stage of the waste 2. and combustion stoker 5b and after-combustion stoker 5C
It is divided into three stages. Also, hopper 3
A button 6 is provided at the bottom of the button 6.
is for pushing the waste 2 onto the drying stoker 5a. A hood 7 is provided below the stoker 5, and the hood 7 is formed to guide primary air into the incinerator 1 through the stoker 5 and to guide ash to the ash bit 8. Further, a forced air blower 9 is provided in communication with the hood 7. And on the other side of the incinerator 1,
An ash discharge port 10 is formed adjacent to the after-combustion stoker 5C, and an observation window 1a for observing the combustion state within the incinerator 1 is formed near the ash discharge port 10. In addition, an industrial television camera (ITV) is installed corresponding to the observation window 1a.
) 11 are arranged. The incinerator 1 is provided with a start burner 12 and an ITV 13 for observing the combustion state of the start burner 12. Further, a secondary air blower 14 is provided in communication with the upper interior of the incinerator 1, and a waste heat boiler 16 is arranged near the exhaust port 15 in the incinerator 1. Then, the waste heat boiler 16 communicates with the turbine power generation unit 117,
Exhaust port 15 is electrical! [Communicated with the wet gas cleaning device 19 via 1g.] And this wet scum cleaning device 1
9 has a quenching cleaning section 20 and a dehumidification section 21, and inside the wet gas cleaning device 19, a first temperature sensor 23 of a temperature detection device 22 is provided at the outlet of the quenching cleaning section 20. It is being In addition, at the entrance of the wet gas cleaning device 19,
An oxygen sensor 25 of the oxygen concentration detection device 24 and a second temperature sensor 26 of the temperature detection device 22 are provided. Both the temperature detection device 22 and the oxygen concentration detection device 24 are connected to a calculation device 27.
以下、上記構成における作用について説明する。The effects of the above configuration will be explained below.
まず、ごみクレーン４にてホッパー３内に投入されたご
み２は、ブツシャ６にて乾燥ストーカ５ａの上に押出さ
れ、焼却炉１内の熱によって乾燥される。そして、続い
て投入されるごみ２に押されて、乾燥したごみ２が燃焼
ストーカ５ｂ上に移動し、押込送風Ｒ９から供給される
空気を受けて燃焼する。また、燃焼するごみは後燃焼ス
トーカ５ｃに移動しながらさらに燃焼し、灰が灰排出口
９から灰ピント８に排出される。そして、燃焼ガスは二
次空気送風ｌ１１１４から供給される空気を受けてさら
に燃焼し、廃熱ボイラ１６で熱交換された後に、電気集
塵機１８を通って湿式ガス洗浄袋ｒ！１１９に送られる
。さらに、湿式ガス洗浄装置１９に送られた排ガスは、
急冷洗浄部２０で冷却され、減湿部２１を通って次の処
理系に送られる。そして、湿式ガス洗浄装置１９の入口
にて酸素センサ２５および第２温度センサ２６が排ガス
中の酸素濃度および温度を検出し、酸素濃度が酸素濃度
検出装置２４から演算装置２７に電気信号として送られ
、温度が温度検出装置２２から演算装置２７に電気信号
として送られる。First, the garbage 2 put into the hopper 3 by the garbage crane 4 is pushed onto the drying stoker 5a by the busher 6, and is dried by the heat in the incinerator 1. Then, the dried garbage 2 is pushed by the garbage 2 that is subsequently thrown in, moves onto the combustion stoker 5b, receives air supplied from the forced air blower R9, and burns. Further, the combustible garbage is further combusted while moving to the post-combustion stoker 5c, and ash is discharged from the ash outlet 9 to the ash pinto 8. Then, the combustion gas receives air supplied from the secondary air blower l1114 and is further combusted, and after heat exchange in the waste heat boiler 16, it passes through the electrostatic precipitator 18 and the wet gas cleaning bag r! Sent to 119. Furthermore, the exhaust gas sent to the wet gas cleaning device 19 is
It is cooled in the quenching washing section 20 and sent to the next processing system through the dehumidification section 21. Then, at the entrance of the wet gas cleaning device 19, the oxygen sensor 25 and the second temperature sensor 26 detect the oxygen concentration and temperature in the exhaust gas, and the oxygen concentration is sent as an electrical signal from the oxygen concentration detection device 24 to the calculation device 27. , the temperature is sent from the temperature detection device 22 to the calculation device 27 as an electrical signal.
また、急冷洗浄部２０の出口にて第１温度センサ２３が
排ガスの温度を検出し、この温度が温度検出装置２２か
ら演算装置２７に電気信号として送られる。Further, the first temperature sensor 23 detects the temperature of the exhaust gas at the outlet of the quenching cleaning section 20, and this temperature is sent as an electrical signal from the temperature detection device 22 to the calculation device 27.
そして、演算装置２７においては、下記に示す手）１ｎ
に従って計算が行われる。Then, in the arithmetic unit 27, the following hand) 1n
Calculations are made according to
まず、湿式ガス洗浄装置１９の急冷洗浄部２０の出口に
おける排ガス温度は湿式ガス洗浄装置１９の入口におけ
る排ガスの断熱飽和温度である。したがって、出口にお
ける排ガス温度をＴｔ（’Ｃ）、出口における排ガスモ
ル湿度をＨｌ （水分ｈｇｎｏｌ ／ドライガスｋｇｎ
ｏｌ ）とし、入口における排カス温度をＴ２ 、排ガ
ス湿度をＮ２とすれば、第２図に示すような関係が存在
する。第２図において、モル飽和湿度曲線Ｘは、アンド
ニーの式よりＰｓ −１０Ａ−７
で表わすことができる。ただし、Ａ、Ｂ、Ｃは定数であ
り、Ｐｓは圧力値である。また、断熱冷却線Ｙは近似的
に、
Ｈ＝ＤＴ＋Ｅ ・・・・・・・・・（
２）で表わすことができる。ただし、Ｄ、Ｅはパラメー
タである。したがって、（１）式に、実測した′「１を
代入することによってＨｌが求まる。そして、（２）式
に、実測したＴ２を代入することによってＮ２が求まる
。First, the exhaust gas temperature at the outlet of the quenching cleaning section 20 of the wet gas cleaning device 19 is the adiabatic saturation temperature of the exhaust gas at the inlet of the wet gas cleaning device 19. Therefore, the exhaust gas temperature at the outlet is Tt ('C), and the exhaust gas molar humidity at the outlet is Hl (moisture hgnol/dry gas kgn
ol), the exhaust gas temperature at the inlet is T2, and the exhaust gas humidity is N2, then a relationship as shown in FIG. 2 exists. In FIG. 2, the molar saturation humidity curve X can be expressed as Ps -10A-7 from Andonie's equation. However, A, B, and C are constants, and Ps is a pressure value. Also, the adiabatic cooling line Y is approximately as follows: H=DT+E ・・・・・・・・・(
2). However, D and E are parameters. Therefore, Hl can be found by substituting the actually measured 1 into equation (1). N2 can then be found by substituting the actually measured T2 into equation (2).
そして、ごみ２は、第３図に示すような構成である。た
だし、
Ｃ：処理物中の可燃分炭素量（−）
ｈ： Ｊｌ 水素量
０： ノｌ 酸素量
Ｓ 二 ノＩ 硫黄量Ｎ
： １ノ 窒 素
Ｃｌ 二 ツノ 塩
素である。ここで、乾燥されなごみ２の組成は同一であ
り、水分Ｗのみ変動する。また、ごみ２がｌ ｋｉ燃え
たときのガス組成、は、下記に示す通りである。The garbage 2 has a configuration as shown in FIG. However, C: Amount of combustible carbon in the treated material (-) h: Jl Hydrogen amount 0: Nol Oxygen amount S 2 No I Sulfur amount N
: 1 nitrogen Cl 2 salt
It is basic. Here, the composition of the dried garbage 2 is the same, and only the water content W varies. Furthermore, the gas composition when the garbage 2 is burned is as shown below.
理論空気量
Ｌｏｗ ＝８．８９Ｃ＋２６．７ｆｈ−０／８） ＋３
．３３３−１３）空気比−ｍとすると、
Ｃ０２＝ １．８７ｘ Ｃ・・・・・・・・・（４）０
２ ＝０．２１Ｘ （ｍ −１） Ｘ Ｌｏｗ −−−
−・・・・・ｆ５）Ｎ２ ＝０．７９Ｘ ｔｏｖ Ｘ
ｍ −−−−・−・−（６）Ｎ２０＝１１．２
Ｘｈ＋１．２４４ Ｗ ・・・・・・・・・（７）ド
ライガス量ＤＧ＝ＣＯ２＋０２ ＋Ｎ２・・・・・・・
・・（８）
よって、実測した０２４度を（９）式に代入してＤＧを
求め、求めたＤＧと先に求めたＨ２ （排ガス湿度）
とを（１０）式に代入してＨ２０を求め、求めたト■２
０を（７）式に代入してＷを求める。Theoretical air amount Low = 8.89C + 26.7fh - 0/8) +3
．． 333-13) If the air ratio is -m, then C02= 1.87x C・・・・・・・・・(4)0
2 = 0.21X (m −1) X Low ---
-... f5) N2 = 0.79X tov
m −−−−・−・−(6) N20=11.2
Xh+1.244 W ・・・・・・・・・(7) Dry gas amount DG=CO2+02 +N2・・・・・・・・・
...(8) Therefore, DG is obtained by substituting the actually measured 024 degrees into equation (9), and the obtained DG and previously obtained H2 (exhaust gas humidity)
Substituting and into equation (10) to find H20, the obtained t■2
W is determined by substituting 0 into equation (7).
また、ごみ２の水分Ｗと低位発熱量Ｈｅの間には、第４
図に示すように統計的に明確な相関がある。したがって
、先に求めた水Ｗに対応する低位発熱量Ｈｅが、第４図
から推算される。In addition, there is a fourth
As shown in the figure, there is a statistically clear correlation. Therefore, the lower calorific value He corresponding to the water W determined previously is estimated from FIG.
そして、求められた低位発熱ｉＨｅに基づいてブツシャ
６などを操作し、焼却炉１の燃焼を制御する。Then, the combustion in the incinerator 1 is controlled by operating the bushing 6 and the like based on the obtained lower heat generation iHe.
発明の効果
以上述べたように、本発明によれば、燃焼によって生ず
る排ガス中の水分と酸素濃度を櫓標として低位発熱量を
推算するので、現時点で燃焼するごみの低位発熱量を、
短時間内に算出することができ、このことによって、こ
み質の変動に対する焼却炉の制御を、時間遅れを伴なわ
ずに、適確に行うことができる。Effects of the Invention As described above, according to the present invention, the lower calorific value is estimated using the moisture and oxygen concentrations in the exhaust gas generated by combustion as a yardstick.
Calculations can be made within a short period of time, and as a result, the incinerator can be accurately controlled in response to fluctuations in waste quality without any time delay.
第１図は本発明の一実施例を示す全体構成図、第２図は
排ガス温度とモル湿度の関係を示す図、第３図はごみの
成分構成を示す図、第４図はごみ中の水分と低位発熱量
の関係を示す統計モデル図、第５図は従来の制御を示す
フローチャート図である。
１・・・焼却炉、２・・・ごみ、５・・・ストーカ、６
・・・ブツシャ、１８・・・集ａｌｌ！、１９・・・湿
式ガス洗浄装置、２０・・・急冷洗浄部、２２・・−温
度検出装置、２３・・・第１温度センサ、２４・・・酸
素濃度検出装置、２５・・・酸素センサ、２６・・・第
２温度センサ、２７・・・演算装置。
代理人 森 本 義 弘
帛２
図
第３図
第４
図
已’Ｈｆｍ’Ｆ−／７ＪＸＷ Ｃ’１０）第Ｓ図
αｍ１＝１四科Fig. 1 is an overall configuration diagram showing one embodiment of the present invention, Fig. 2 is a diagram showing the relationship between exhaust gas temperature and molar humidity, Fig. 3 is a diagram showing the composition of waste components, and Fig. 4 is a diagram showing the composition of waste gases. A statistical model diagram showing the relationship between moisture and lower calorific value, and FIG. 5 is a flowchart diagram showing conventional control. 1...Incinerator, 2...Garbage, 5...Stoker, 6
... Butsusha, 18... collection all! , 19... Wet gas cleaning device, 20... Rapid cooling cleaning section, 22... Temperature detection device, 23... First temperature sensor, 24... Oxygen concentration detection device, 25... Oxygen sensor , 26... Second temperature sensor, 27... Arithmetic device. Agent Yoshihiro Morimoto 2 Figure 3 Figure 4 Figure 'Hfm'F-/7JXW C'10) Figure S αm1 = 1 4 departments
Claims (1)
度を求め、この酸素濃度から乾燥ごみの燃焼時に生ずる
ドライガス量を求め、このドライガス量と排ガス中の水
分との関係から焼却炉に投入されたごみの水分含有率を
求め、あらかじめ統計モデルとして求められたごみの水
分含有率と低位発熱量の相関から、投入されたごみの水
分含有率に対応する低位発熱量の推算を行い、推算され
た低位発熱量に基づいて焼却炉を適宜に操作することを
特徴とする都市ごみ焼却炉の自動燃焼制御方法。1. Determine the moisture and oxygen concentrations in the exhaust gas discharged from the incinerator, determine the amount of dry gas generated when dry waste is burned from this oxygen concentration, and calculate the amount of dry gas produced in the incinerator based on the relationship between this amount of dry gas and the moisture in the exhaust gas. The moisture content of the input garbage is determined, and the lower calorific value corresponding to the moisture content of the input garbage is estimated from the correlation between the moisture content of the garbage and the lower calorific value, which has been determined in advance as a statistical model. An automatic combustion control method for a municipal waste incinerator, characterized in that the incinerator is operated appropriately based on the estimated lower calorific value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19189788A JPH0240410A (en) | 1988-07-29 | 1988-07-29 | Automatic combustion control of municipal waste incinerating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19189788A JPH0240410A (en) | 1988-07-29 | 1988-07-29 | Automatic combustion control of municipal waste incinerating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0240410A true JPH0240410A (en) | 1990-02-09 |
Family
ID=16282269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19189788A Pending JPH0240410A (en) | 1988-07-29 | 1988-07-29 | Automatic combustion control of municipal waste incinerating furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0240410A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0498007A (en) * | 1990-08-15 | 1992-03-30 | Shokin Chin | Tunnel type refuse incinerator |
| JPH10332123A (en) * | 1997-06-02 | 1998-12-15 | Kubota Corp | Method and device for controlling sludge supply in melting furnace |
| JPH1194227A (en) * | 1997-09-26 | 1999-04-09 | Sumitomo Heavy Ind Ltd | Method of presuming low heating value of combustible waste and presuming heating value of combustible part of garbage of garbage incinerator |
| JP5996762B1 (en) * | 2015-11-19 | 2016-09-21 | 株式会社タクマ | Waste combustion control method and combustion control apparatus to which the method is applied |
| JP2017026172A (en) * | 2015-07-16 | 2017-02-02 | 株式会社タクマ | Waste heat value measuring method and waste processing device using the same |
| JP2018124010A (en) * | 2017-01-31 | 2018-08-09 | 株式会社タクマ | Measurement method of amount of heat generation of burned object, combustion control method of combustion furnace using measured amount of heat generation, and combustion control device |
| JP2019202924A (en) * | 2018-05-25 | 2019-11-28 | 株式会社豊田中央研究所 | Flame resistance treatment device of carbon material precursor, and flame resistance treatment method of carbon material precursor |
| JP2020139720A (en) * | 2019-03-01 | 2020-09-03 | 三機工業株式会社 | Automatic combustion control method for garbage incinerator |
-
1988
- 1988-07-29 JP JP19189788A patent/JPH0240410A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0498007A (en) * | 1990-08-15 | 1992-03-30 | Shokin Chin | Tunnel type refuse incinerator |
| JPH10332123A (en) * | 1997-06-02 | 1998-12-15 | Kubota Corp | Method and device for controlling sludge supply in melting furnace |
| JPH1194227A (en) * | 1997-09-26 | 1999-04-09 | Sumitomo Heavy Ind Ltd | Method of presuming low heating value of combustible waste and presuming heating value of combustible part of garbage of garbage incinerator |
| JP2017026172A (en) * | 2015-07-16 | 2017-02-02 | 株式会社タクマ | Waste heat value measuring method and waste processing device using the same |
| JP5996762B1 (en) * | 2015-11-19 | 2016-09-21 | 株式会社タクマ | Waste combustion control method and combustion control apparatus to which the method is applied |
| WO2017085941A1 (en) * | 2015-11-19 | 2017-05-26 | 株式会社タクマ | Waste incineration control method, and incineration control apparatus using same |
| JP2017096517A (en) * | 2015-11-19 | 2017-06-01 | 株式会社タクマ | Waste material combustion method and combustion control device applying the same |
| EP3379147A4 (en) * | 2015-11-19 | 2018-12-05 | Takuma Co., Ltd. | Waste incineration control method, and incineration control apparatus using same |
| JP2018124010A (en) * | 2017-01-31 | 2018-08-09 | 株式会社タクマ | Measurement method of amount of heat generation of burned object, combustion control method of combustion furnace using measured amount of heat generation, and combustion control device |
| JP2019202924A (en) * | 2018-05-25 | 2019-11-28 | 株式会社豊田中央研究所 | Flame resistance treatment device of carbon material precursor, and flame resistance treatment method of carbon material precursor |
| JP2020139720A (en) * | 2019-03-01 | 2020-09-03 | 三機工業株式会社 | Automatic combustion control method for garbage incinerator |
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