JP2748214B2 - Combustion control method in fluidized bed furnace - Google Patents
Combustion control method in fluidized bed furnaceInfo
- Publication number
- JP2748214B2 JP2748214B2 JP5133005A JP13300593A JP2748214B2 JP 2748214 B2 JP2748214 B2 JP 2748214B2 JP 5133005 A JP5133005 A JP 5133005A JP 13300593 A JP13300593 A JP 13300593A JP 2748214 B2 JP2748214 B2 JP 2748214B2
- Authority
- JP
- Japan
- Prior art keywords
- fluidized bed
- exhaust gas
- bed furnace
- fluidized
- amount
- 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.)
- Expired - Fee Related
Links
Landscapes
- Incineration Of Waste (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、石炭，廃棄物，汚泥，
都市ごみ等の被処理物を流動床炉で燃焼させる際の燃焼
制御方法に関する。The present invention relates to coal, waste, sludge,
The present invention relates to a combustion control method for burning an object such as municipal waste in a fluidized-bed furnace.
【０００２】[0002]
【従来の技術】従来、流動床炉で被処理物を燃焼させる
際、とくに発熱量が高い被処理物に対しては流動層温度
が高くなり（例えば７００℃以上）、安定燃焼を維持す
るために、流動層内に注水したり、層内に伝熱管等の伝
面を設けて流動層を冷却する方法が不可欠であった。2. Description of the Related Art Conventionally, when an object to be treated is burned in a fluidized-bed furnace, the temperature of the fluidized bed is increased (for example, 700 ° C. or more) especially for the object having a high calorific value, so that stable combustion is maintained. In addition, a method of cooling the fluidized bed by injecting water into the fluidized bed or providing a transfer surface such as a heat transfer tube in the bed is essential.
【０００３】特開昭５４−１６７３１号公報には、除じ
んされた排ガスの一部を流動層燃焼装置の流動層へ循環
する低ＮＯX 流動層燃焼方法が記載されている。また、
実公平２−２９３７１号公報には、除じんされた排ガス
の一部を燃焼用空気とともに流動床ボイラへ循環し、燃
焼用空気を供給する押込通風機と、排ガス混合ファンと
を同一軸上に設けて単一のモータで駆動し得るようにし
た、ＮＯX 低減を図ることができる流動床ボイラが記載
されている。[0003] in JP-A-54-16731, the low NO X fluidized bed combustion method of circulating a portion of the dust removal by exhaust gas into the fluidized bed of the fluidized bed combustion system is described. Also,
Japanese Utility Model Publication No. 2-29371 discloses that a part of a removed exhaust gas is circulated together with combustion air to a fluidized-bed boiler, and a forced draft fan for supplying combustion air and an exhaust gas mixing fan are coaxial. and adapted to be driven by a single motor is provided, a fluidized bed boiler can be achieved NO X reduction is described.
【０００４】[0004]
【発明が解決しようとする課題】前記従来技術における
問題点を解決するために、風箱へ流入する一次空気量を
絞ることが考えられるが、この方法では、流動媒体の均
一流動の不良、又は不適物（被処理物中に含まれる不燃
物）を炉から排出することが難しくなるという欠点があ
る。また、上記二つの公報記載の発明は、いずれも排ガ
スの一部を循環してＮＯXの低減を図ることを目的とす
るもので、これらの公報には、本願発明の特徴である、
循環する排ガス量を流動層の温度により制御することは
何も記載されていない。In order to solve the above-mentioned problems in the prior art, it is conceivable to reduce the amount of primary air flowing into the wind box. There is a disadvantage that it is difficult to discharge an unsuitable material (a non-combustible material contained in the material to be processed) from the furnace. In addition, the inventions described in the above two publications aim at reducing NO X by circulating a part of the exhaust gas, and these publications are features of the present invention.
There is no description of controlling the amount of circulating exhaust gas by the temperature of the fluidized bed.
【０００５】本発明は上記の諸点に鑑みなされたもの
で、本発明の目的は、流動床炉において、層内温度制御
を排ガス再循環量の制御により行い、幅広い発熱量の被
処理物を完全燃焼させることができる燃焼制御方法を提
供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above points. An object of the present invention is to control the temperature in a bed by controlling the amount of exhaust gas recirculated in a fluidized-bed furnace to completely remove an object to be treated having a wide range of heat generation. An object of the present invention is to provide a combustion control method capable of burning.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の流動床炉における燃焼制御方法は、流動
床炉からの排ガスを除じん処理した後、この排ガスの一
部を一次空気と一緒に、又は別々に流動床炉へ循環する
方法において、流動床炉下部に循環する排ガス量を流動
層の温度により制御して、流動層内温度を一定温度範囲
内に維持するとともに、流動床炉下部に循環する排ガス
量と一次空気供給量との合計流量が一定になるように一
次空気量を制御して流動層の流動化状態を維持すること
を特徴としている。In order to achieve the above object, a method for controlling combustion in a fluidized-bed furnace according to the present invention comprises the steps of: removing an exhaust gas from a fluidized-bed furnace; In the method of circulating together with the air or separately to the fluidized bed furnace, while controlling the amount of exhaust gas circulating in the lower part of the fluidized bed furnace by the temperature of the fluidized bed, while maintaining the temperature in the fluidized bed within a certain temperature range, The total flow rate of the exhaust gas circulating in the lower part of the fluidized bed furnace and the primary air supply should be kept constant.
It is characterized in that the fluidized state of the fluidized bed is maintained by controlling the amount of secondary air .
【０００７】上記の方法において、排ガス中の酸素濃度
により、フリーボード部に供給する二次空気量を制御す
ることが好ましい。また、流動床炉出口の排ガス温度に
より、フリーボード部に供給する二次空気量を制御する
ことが好ましい。また、被処理物の供給量により、フリ
ーボード部に供給する二次空気量を制御することが好ま
しい。さらに、これらの方法において、被処理物の発熱
量が高い場合、循環する排ガスを冷却器でさらに冷却し
た後、流動床炉下部へ循環することが好ましい。[0007] In the above method, the oxygen concentration in the exhaust gas, it is preferable to control the amount of secondary air supplied to the free board section. In addition, it is preferable to control the amount of secondary air supplied to the freeboard section based on the exhaust gas temperature at the outlet of the fluidized bed furnace. Further, it is preferable to control the amount of secondary air supplied to the free board section based on the supply amount of the processing object. Further, in these methods, when the heat quantity of the object is high, after further cooling the exhaust gas circulating in the cooler, it is preferred to circulate to the fluidized bed furnace bottom.
【０００８】[0008]
【実施例】以下、図面を参照して本発明の好適な実施例
を詳細に説明する。ただし、この実施例に記載されてい
る構成機器の形状、その相対配置などは、とくに特定的
な記載がない限りは、本発明の範囲をそれらのみに限定
する趣旨のものではなく、単なる説明例にすぎない。 実施例１ 図１、図３において、１は流動床炉で、風箱２、流動層
３、フリーボード部５を有している。そして、風箱２に
は流動化用気体供給管６が接続され、フリーボード部５
には燃焼用二次空気供給管７が接続されている。８は気
体分散板、１０は被処理物投入装置、１１は一次送風
機、１２は二次送風機、１３は一次空気供給管、１５は
空気予熱器等のガス冷却設備、１６は脱じん・脱硝・脱
硫装置等の排ガス処理設備、１７は誘引ファン（ＩＤ
Ｆ）、１８は煙突である。さらに、図３に示すように、
流動床炉下部に循環する排ガス量と一次空気供給量との
合計流量を流量指示調節器（ＦＩＣ）３０で検出し、こ
の値が一定になるように一次空気量を制御する。３１は
一次空気量調節手段である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings. However, the shapes of the components described in this embodiment, the relative arrangement thereof, and the like are not intended to limit the scope of the present invention to them only, unless otherwise specified, and are merely illustrative examples. It's just Example 1 In FIGS. 1 and 3, reference numeral 1 denotes a fluidized bed furnace having a wind box 2, a fluidized bed 3, and a free board unit 5. A fluidizing gas supply pipe 6 is connected to the wind box 2, and a free board section 5 is provided.
Is connected to a secondary air supply pipe 7 for combustion. 8 is a gas dispersing plate, 10 is a device for charging an object to be treated, 11 is a primary blower, 12 is a secondary blower, 13 is a primary air supply pipe, 15 is a gas cooling facility such as an air preheater, 16 is dust removal / denitration / Exhaust gas treatment equipment such as desulfurization equipment, 17 is an induction fan (ID
F) and 18 are chimneys. Further , as shown in FIG.
The total flow rate of the exhaust gas quantity and the primary air supply amount circulating fluidized bed furnace bottom detected by flow indicator controller (FIC) 30, this value controls the primary air amount to be constant. 31 is a primary air amount adjusting means.
【０００９】上記のように構成された流動床炉を含む装
置において、冷却・除じんされた排ガスの一部を排ガス
循環ライン２０により抜き出して、一次空気とともに流
動床炉１の風箱２に循環する。そして、循環する排ガス
量は、流動層３に接続された温度指示調節器（ＴＩＣ）
２１により、ダンパー，弁，インバータ等の流量調節手
段２２を介して制御される。すなわち、流動層１の温度
が設定値よりも高くなると、流量調節手段２２を開方向
に作動させて排ガス循環量を多くしＯ2 分圧を下げて流
動層１の温度を下降させ、一方、流動層１の温度が設定
値よりも低くなると、流量調節手段２２を閉方向に作動
させて排ガス循環量を少なくしＯ2 分圧を上げて流動層
１の温度を上昇させる。In the apparatus including the fluidized bed furnace configured as described above, a part of the cooled and removed exhaust gas is extracted by the exhaust gas circulation line 20 and circulated together with the primary air to the wind box 2 of the fluidized bed furnace 1. I do. The amount of circulating exhaust gas is controlled by a temperature indicating controller (TIC) connected to the fluidized bed 3.
21 is controlled via flow rate adjusting means 22 such as a damper, a valve, and an inverter. That is, when the temperature of the fluidized bed 1 becomes higher than the set value, the flow rate adjusting means 22 is operated in the opening direction to increase the exhaust gas circulation amount and lower the O 2 partial pressure to lower the temperature of the fluidized bed 1. When the temperature of the fluidized bed 1 becomes lower than the set value, the flow rate adjusting means 22 is operated in the closing direction to reduce the exhaust gas circulation amount and increase the O 2 partial pressure to increase the temperature of the fluidized bed 1.
【００１０】以下、上記の作用をさらに詳細に説明す
る。排ガス処理後の排ガスを燃焼用一次空気の一部又は
全部に使用することにより、流動化に必要な一次空気量
を確保し、かつ、層内での燃焼率を下げる（従来は２１
％Ｏ2 の空気を使用していたが、本発明では、再循環の
排ガス（Ｏ2 ≒６〜１２％）を混合するか、又は全量使
用するため、層内でのＯ2 分圧が下がり、その分、燃焼
率が低下する）ことができるため、層内に伝面を設ける
必要なく、層温を制御することが可能となる。したがっ
て、層内で熱回収し、冷却する必要がない分、従来の廃
熱ボイラーにて後流で熱回収できるので、装置全体の信
頼性を向上させることができ、しかも、従来装置を有効
利用することができる。Hereinafter, the above operation will be described in more detail. By using the exhaust gas after the exhaust gas treatment for part or all of the primary air for combustion, the amount of primary air required for fluidization is ensured and the combustion rate in the bed is reduced (conventionally, 21%).
Although the air of% O 2 was used, in the present invention, since the exhaust gas of recirculation (O 2 ≒ 6 to 12%) is mixed or used in its entirety, the O 2 partial pressure in the bed decreases. Therefore, the combustion rate can be reduced), so that the bed temperature can be controlled without providing a power transmission surface in the bed. Therefore, since there is no need to collect and cool the heat in the layer, the heat can be recovered in the downstream by the conventional waste heat boiler, so that the reliability of the entire apparatus can be improved and the conventional apparatus can be effectively used. can do.
【００１１】表１は、流動化用気体を空気のみとした従
来例、排ガスを４０％とした本発明の方法、及び排ガス
を１００％（全量、再循環排ガスを使用）とした本発明
の方法について、Ｏ2 量、Ｎ2 量、及び一次空気比λ1
を示している。Table 1 shows a conventional example using only air as the fluidizing gas, a method of the present invention using 40% of exhaust gas, and a method of the present invention using 100% of exhaust gas (total amount, using recirculated exhaust gas). , The O 2 amount, the N 2 amount, and the primary air ratio λ 1
Is shown.
【００１２】[0012]
【表１】 [Table 1]
【００１３】表１に示すように、排ガス再循環により、
層内一次空気比λ１を、０．９から０．７１又は０．４
３に下げることができる。流動化用気体の流量は、循環
排ガスと一次空気との合計流量であって、同一であるの
で、流動化状態は同一であり、層内のＯ２分圧が下がる
分、層内での燃焼率が下がり、層内温度を下げることが
できる。この層内温度は、排ガス再循環量を変えて、層
内Ｏ２分圧を変えることにより、一定温度範囲内に制御
される。As shown in Table 1, by exhaust gas recirculation,
The in-layer primary air ratio λ 1 is set to 0.9 to 0.71 or 0.4.
Can be reduced to 3. The flow rate of the fluidizing gas is circulated
Since the total flow rate of the exhaust gas and the primary air is the same, the fluidization state is the same, and the lower the O 2 partial pressure in the bed, the lower the combustion rate in the bed and the lower the temperature in the bed. be able to. The temperature in the bed is controlled within a certain temperature range by changing the exhaust gas recirculation amount and changing the partial pressure of O 2 in the bed.
【００１４】また、一次の排ガス循環量によっては、炉
出口Ｏ2 濃度が低くなりすぎる場合が予測されるので、
排ガス中の酸素濃度を酸素濃度計２３で検出し、この値
によりフリーボード部５へ供給する二次空気量を制御す
ることが好ましい。２４は二次空気量調節手段である。
また、流動床炉１出口の排ガス温度を温度指示調節器２
５で検出し、この値によりフリーボード部５へ供給する
二次空気量を制御することがある。さらに、被処理物の
供給量を被処理物供給量検知手段２６で検知して、この
値によりフリーボード部５に供給する二次空気量を制御
することがある。Also, depending on the amount of primary exhaust gas circulation, it is expected that the O 2 concentration at the furnace outlet will be too low.
It is preferable that the oxygen concentration in the exhaust gas is detected by the oxygen concentration meter 23, and the amount of secondary air supplied to the freeboard unit 5 is controlled based on this value. 24 is a secondary air amount adjusting means.
Further, the temperature of the exhaust gas at the outlet of the fluidized bed furnace 1 is controlled by a temperature indicating controller 2.
5, the secondary air amount supplied to the free board unit 5 may be controlled based on this value. Further, the supply amount of the processing object may be detected by the processing object supply amount detecting means 26, and the secondary air amount supplied to the free board unit 5 may be controlled based on the detected value.
【００１５】また、図２に示すように、一次空気と循環
排ガスとを別々に流動床炉１の風箱２に供給する場合も
ある。２７は一次空気送風機、２８は循環排ガス送風機
である。他の構成及び作用は実施例１の場合と同様であ
る。 Further, as shown in FIG. 2, if also <br/> supplies the circulation exhaust gas and primary air separately to the windbox 2 of the fluidized bed furnace 1. 27 is a primary air blower, 28 is a circulating exhaust gas blower. Other configurations and operations are the same as those of the first embodiment.
【００１６】また、前述の実施例１において、図３に示
すように、流動床炉下部に循環する排ガス量と一次空気
供給量との合計流量を流量指示調節器（ＦＩＣ）３０で
検出し、この値が一定になるように一次空気量を制御す
ることにより、流動化に必要な一次空気量を確保して流
動層３の流動化状態を維持しつつ、層内のＯ２分圧を調
整して層内の燃焼率を制御し、層内温度を一定温度範囲
内にすることができる。In the first embodiment, as shown in FIG. 3, the total flow rate of the exhaust gas amount circulating in the lower part of the fluidized-bed furnace and the primary air supply amount is detected by a flow rate controller (FIC) 30, by controlling the primary air quantity so that this value is constant, to ensure primary air quantity required for fluidization while maintaining the fluidized state of the fluidized bed 3, the O 2 partial pressure in the layer By adjusting the combustion rate in the bed, the temperature in the bed can be kept within a certain temperature range.
【００１７】実施例２ 本実施例は、図４に示すように、排ガス循環ライン２０
にエコノマイザー、空気予熱器等の冷却器３２を設け
て、循環する排ガスをさらに冷却した後、流動床炉１下
部の風箱２へ循環するものである。本実施例では、冷却
器３２を設けることにより、排ガス循環ラインのガス量
が減少するという利点があり、かつ、より高カロリー被
処理物でも、層内温度を適正に制御できるという効果が
奏せられる。他の構成及び作用は、実施例１の場合と同
様である。Embodiment 2 In this embodiment, as shown in FIG.
Econo the economizer, and the cooler 32 of the air preheater or the like is provided, after further cooling the exhaust gas circulating fluidized bed furnace 1 below
It is circulated to the wind box 2 of the section . In the present embodiment, the provision of the cooler 32 has the advantage that the gas amount in the exhaust gas circulation line is reduced, and the effect that the temperature in the bed can be properly controlled even with a higher calorie material to be treated. Can be Other configurations and operations are the same as those of the first embodiment.
【００１８】[0018]
【発明の効果】本発明は上記のように構成されているの
で、つぎのような効果を奏する。 （１）流動床炉下部に循環する排ガス量と一次空気供給
量との合計流量が一定になるように一次空気量を制御す
るので、流動化に必要な一次空気量を確保して流動層の
流動化状態を維持しつつ、層内のＯ２分圧を調整して層
内の燃焼率を制御し、層内温度を一定温度範囲内にする
ことができる。 （２）流動層の流動化状態を維持し、かつ、流動床炉下
部への排ガス循環量で流動層内温度を一定温度に制御す
るので、低ＣＯの安定燃焼が可能となる。 （３）流動層内温度を冷却するための注水、伝面設置が
不要になるので、建設費を低くすることができる。 （４）排ガスの誘引ファン（ＩＤＦ）の所要動力を低減
することができる。As described above, the present invention has the following effects. (1) Since the total flow rate of the exhaust gas quantity and the primary air supply amount circulating fluidized bed furnace bottom to control the primary air amount to be constant, the fluidized bed to ensure the primary air quantity required for fluidization While maintaining the fluidized state, the partial pressure of O 2 in the bed is adjusted to control the combustion rate in the bed, and the temperature in the bed can be kept within a certain temperature range. (2) Since the fluidized state of the fluidized bed is maintained and the temperature in the fluidized bed is controlled to a constant temperature by the amount of exhaust gas circulated to the lower part of the fluidized bed furnace, stable combustion with low CO can be achieved. (3) Water injection for cooling the temperature in the fluidized bed and installation of transmission surfaces are not required, so that construction costs can be reduced. (4) The required power of the exhaust gas induction fan (IDF) can be reduced.
【図１】本発明の流動床炉における燃焼制御方法を実施
する装置の一例を示すフローシートである。FIG. 1 is a flow sheet showing an example of an apparatus for performing a combustion control method in a fluidized bed furnace of the present invention.
【図２】本発明の方法を実施する装置の他の例を示すフ
ローシートである。FIG. 2 is a flow sheet showing another example of an apparatus for performing the method of the present invention.
【図３】本発明の方法を実施する装置の他の例を示すフ
ローシートである。FIG. 3 is a flow sheet showing another example of an apparatus for performing the method of the present invention.
【図４】本発明の方法を実施する装置のさらに他の例を
示すフローシートである。FIG. 4 is a flow sheet showing still another example of an apparatus for performing the method of the present invention.
１ 流動床炉 ３ 流動層 ５ フリーボード部 ６ 流動化用気体供給管 ７ 燃焼用二次空気供給管 １１ 一次送風機 １２ 二次送風機 １３ 一次空気供給管 １５ ガス冷却設備 １６ 排ガス処理設備 ２０ 排ガス循環ライン ２１ 温度指示調節器 ２２ 流量調節手段 ２３ 酸素濃度計 ２５ 温度指示調節器 ２７ 一次空気送風機 ２８ 循環排ガス送風機 ３０ 流量指示調節器 ３２ 冷却器 DESCRIPTION OF SYMBOLS 1 Fluidized bed furnace 3 Fluidized bed 5 Free board part 6 Fluidization gas supply pipe 7 Secondary air supply pipe for combustion 11 Primary blower 12 Secondary blower 13 Primary air supply pipe 15 Gas cooling equipment 16 Exhaust gas treatment equipment 20 Exhaust gas circulation line Reference Signs List 21 temperature indicating controller 22 flow rate adjusting means 23 oxygen concentration meter 25 temperature indicating controller 27 primary air blower 28 circulating exhaust gas blower 30 flow rate indicating controller 32 cooler
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｆ２３Ｇ 5/50 ＺＡＢ Ｆ２３Ｇ 5/50 ＺＡＢＭ ＺＡＢＮ (72)発明者 下川 達之 大阪市北区天神橋２丁目５番25号 川崎 重工業株式会社 大阪設計事務所内 (56)参考文献 特開 昭56−49805（ＪＰ，Ａ) 特開 昭59−195019（ＪＰ，Ａ) 特開 昭63−41708（ＪＰ，Ａ) 特開 平４−273911（ＪＰ，Ａ) 特開 平４−283304（ＪＰ，Ａ)──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI F23G 5/50 ZAB F23G 5/50 ZABM ZABN (72) Inventor Tatsuyuki Shimokawa 2-5-225 Tenjinbashi, Kita-ku, Osaka Kawasaki Heavy Industries (56) References JP-A-56-49805 (JP, A) JP-A-59-195019 (JP, A) JP-A-63-41708 (JP, A) JP-A-4-273911 (JP, A) JP-A-4-283304 (JP, A)
Claims (5)
後、この排ガスの一部を一次空気と一緒に、又は別々に
流動床炉へ循環する方法において、流動床炉下部に循環
する排ガス量を流動層の温度により制御して、流動層内
温度を一定温度範囲内に維持するとともに、流動床炉下
部に循環する排ガス量と一次空気供給量との合計流量が
一定になるように一次空気量を制御して流動層の流動化
状態を維持することを特徴とする流動床炉における燃焼
制御方法。1. A method of circulating a part of the exhaust gas together with or separately from primary air to a fluidized-bed furnace after removing the exhaust gas from the fluidized-bed furnace into a fluidized-bed furnace. the amount of and controlled by the temperature of the fluidized layer, while maintaining the fluidized bed temperature within a certain temperature range, the total flow rate of the exhaust gas quantity and the primary air supply amount circulating fluidized bed furnace bottom
Fluidized bed fluidization by controlling the amount of primary air to be constant
A combustion control method in a fluidized-bed furnace characterized by maintaining a state .
ド部に供給する二次空気量を制御する請求項１記載の流
動床炉における燃焼制御方法。Wherein the oxygen concentration in the exhaust gas, 請 Motomeko 1 combustion control method in a fluidized bed furnace according that controls the amount of secondary air supplied to the free board section.
ーボード部に供給する二次空気量を制御する請求項１記
載の流動床炉における燃焼制御方法。Wherein the exhaust gas temperature of the fluidized bed furnace outlet, the combustion control method in a fluidized bed furnace 請 Motomeko 1, wherein that control secondary air amount supplied to the free board section.
部に供給する二次空気量を制御する請求項１記載の流動
床炉における燃焼制御方法。Wherein the supply amount of the object to be treated, combustion control method in a fluidized bed furnace 請 Motomeko 1, wherein that control secondary air amount supplied to the free board section.
流動床炉下部へ循環する請求項１、２、３又は４記載の
流動床炉における燃焼制御方法。5. After cooling the circulating exhaust gas with a cooler ,
Combustion control method in a fluidized bed furnace according to claim 1, 2, 3 or 4 wherein you circulated to the fluidized bed furnace bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5133005A JP2748214B2 (en) | 1993-05-11 | 1993-05-11 | Combustion control method in fluidized bed furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5133005A JP2748214B2 (en) | 1993-05-11 | 1993-05-11 | Combustion control method in fluidized bed furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06323510A JPH06323510A (en) | 1994-11-25 |
| JP2748214B2 true JP2748214B2 (en) | 1998-05-06 |
Family
ID=15094564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5133005A Expired - Fee Related JP2748214B2 (en) | 1993-05-11 | 1993-05-11 | Combustion control method in fluidized bed furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2748214B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101835737B1 (en) | 2016-07-26 | 2018-03-07 | 현대건설 주식회사 | Circulating fluidized bed boiler |
| KR102077820B1 (en) * | 2019-06-10 | 2020-04-07 | 진성흥 | Hydrogen-incinerator with improved combustion efficiency |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2765670B1 (en) * | 1997-07-04 | 1999-09-10 | Ruble Paul | PROCESS AND INSTALLATION FOR PRODUCING HEAT BY COMBUSTION OF LOW CALORIFIC FUELS |
| JPH11248121A (en) * | 1998-03-02 | 1999-09-14 | Ishikawajima Harima Heavy Ind Co Ltd | City waste incinerator and operating method thereof |
| JP2004084981A (en) * | 2002-08-23 | 2004-03-18 | Jfe Engineering Kk | Waste incinerator |
| US20090320725A1 (en) * | 2008-06-25 | 2009-12-31 | Alstom Technology Ltd. | Furnace system with internal flue gas recirculation |
| JP5417068B2 (en) * | 2009-07-14 | 2014-02-12 | 株式会社日立製作所 | Oxyfuel boiler and control method for oxygen fired boiler |
| JP5580466B1 (en) * | 2013-10-09 | 2014-08-27 | 榮子 山田 | Fluidized bed heating furnace |
| JP6210079B2 (en) * | 2015-03-18 | 2017-10-11 | Ｊｆｅスチール株式会社 | Method and apparatus for supplying combustion air to a forced draft boiler |
| JP2018159481A (en) * | 2017-03-22 | 2018-10-11 | メタウォーター株式会社 | Incinerator with supercharger and method for operating the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5649805A (en) * | 1979-09-28 | 1981-05-06 | Babcock Hitachi Kk | Load control operation for fluidized bed boiler |
| JPS59195019A (en) * | 1983-04-21 | 1984-11-06 | Ebara Corp | Fluidized-bed type combustion furnace |
| JPS6341708A (en) * | 1986-08-07 | 1988-02-23 | Kawasaki Heavy Ind Ltd | Fluidized bed combustion method |
| JP3021062B2 (en) * | 1991-02-27 | 2000-03-15 | 三井造船株式会社 | Combustion control method for waste incinerator |
| JPH04283304A (en) * | 1991-03-11 | 1992-10-08 | Babcock Hitachi Kk | Circulating fluidized-bed boiler and method for operation |
-
1993
- 1993-05-11 JP JP5133005A patent/JP2748214B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101835737B1 (en) | 2016-07-26 | 2018-03-07 | 현대건설 주식회사 | Circulating fluidized bed boiler |
| KR102077820B1 (en) * | 2019-06-10 | 2020-04-07 | 진성흥 | Hydrogen-incinerator with improved combustion efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06323510A (en) | 1994-11-25 |
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