JPH08178260A - Combustion monitor for boiler - Google Patents
Combustion monitor for boilerInfo
- Publication number
- JPH08178260A JPH08178260A JP32663994A JP32663994A JPH08178260A JP H08178260 A JPH08178260 A JP H08178260A JP 32663994 A JP32663994 A JP 32663994A JP 32663994 A JP32663994 A JP 32663994A JP H08178260 A JPH08178260 A JP H08178260A
- Authority
- JP
- Japan
- Prior art keywords
- monitoring
- boiler
- combustion state
- furnace
- ash
- 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
Landscapes
- Gasification And Melting Of Waste (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、火力発電用ボイラ、特
に、石炭焚を行うボイラのバーナの燃焼状態を監視する
監視用ITVカメラ及び光ファイバーケーブルを備えた
監視装置に係り、特に炉内監視を常時行うため、石炭燃
焼時に生成する灰による監視窓の閉塞を防ぎ、灰を除
去,灰の付着を抑制する動作機構を有するボイラ燃焼状
態監視装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermal power generation boiler, and more particularly to a monitoring device equipped with a monitoring ITV camera for monitoring the combustion state of a burner of a coal burning boiler and an optical fiber cable, and more particularly to monitoring in a furnace. The present invention relates to a boiler combustion state monitoring device having an operation mechanism that prevents clogging of a monitoring window due to ash generated during coal combustion, removes ash, and suppresses ash adhesion.
【0002】[0002]
【従来の技術】石炭焚火力発電プラント用ボイラ内の燃
焼監視は、ボイラの炉壁に監視孔(窓)を穿設し、本監視
窓に炉内監視用ITVカメラ又は光ファイバーケーブル
を利用した撮像手段にて炉内を監視し、燃焼状態の監視
を行っているが、石炭焚火力発電プラント内ボイラで
は、石炭を燃やした時に生成する灰の付着により、監視
窓が塞がれてしまう現象がある。従来では、炉内監視用
ITVカメラを外し、棒などにより手動で灰を取り除く
作業を行っている。2. Description of the Related Art Combustion monitoring in a boiler for a coal-fired thermal power plant is performed by forming a monitoring hole (window) in the furnace wall of the boiler, and using an ITV camera for monitoring the furnace or an optical fiber cable in the monitoring window. The inside of the furnace is monitored by means to monitor the combustion state, but in the boiler in the coal-fired power plant, there is a phenomenon that the monitoring window is closed due to the adhesion of ash generated when coal is burned. is there. Conventionally, the ITV camera for monitoring the inside of the furnace is removed and the ash is manually removed with a stick or the like.
【0003】又、石炭焚火力発電用ボイラには、スート
ブロワ(蒸気を噴霧し、すすや灰を除去する装置)が備
っており、本装置の近くに監視窓を設け、炉内監視用I
TVカメラ等の監視装置を設置している。この場合、炉
内監視用ITVカメラの設置箇所に制約があり、炉内の
燃焼状態の監視が充分できない。Further, the boiler for coal-fired power generation is equipped with a soot blower (a device for spraying steam to remove soot and ash), and a monitoring window is provided near this device to monitor the inside of the furnace I.
A monitoring device such as a TV camera is installed. In this case, there is a restriction on the installation location of the ITV camera for monitoring the inside of the furnace, and the combustion state inside the furnace cannot be sufficiently monitored.
【0004】石炭焚火力発電プラントが増える一方、燃
料となる石炭の種類も多様化しており、炉内での燃焼状
態の把握も重要になってきている。As the number of coal-fired power generation plants has increased, the types of coal used as fuel have also diversified, and it is becoming important to understand the combustion state in the furnace.
【0005】[0005]
【発明が解決しようとする課題】上記、従来技術では灰
の除去を手動で行うことにより炉内監視が一時的に中断
し、灰の除去操作を行う時は、燃焼状態を監視すること
が出来なくなる。SUMMARY OF THE INVENTION In the above-mentioned prior art, the in-furnace monitoring is temporarily interrupted by manually removing the ash, and the combustion state can be monitored when performing the ash removal operation. Disappear.
【0006】また、スートブロワ等の装置は、本来ボイ
ラ内の蒸気過熱器や炉壁の汚れを落すための装置である
が、バーナ等の燃焼装置の近傍ではスートブロワから吐
き出す蒸気により、燃焼装置の炉内での燃焼状態を悪く
し、制御にも影響を与える為、燃焼装置の近くに設置さ
れない。このため、炉内監視装置の設置場所に制約が出
来てしまい、充分な監視が出来ない。Further, the soot blower and other devices are originally devices for removing dirt on the steam superheater and the furnace wall in the boiler. It is not installed near the combustion device because it deteriorates the internal combustion state and affects control. For this reason, the installation place of the in-core monitoring device is restricted, and sufficient monitoring cannot be performed.
【0007】本発明の目的は、付着した灰を除去し付着
を抑制することによりボイラの燃焼状態を常時監視を行
うことが可能なボイラ燃焼状態監視装置を提供すること
にある。It is an object of the present invention to provide a boiler combustion state monitoring device capable of constantly monitoring the combustion state of a boiler by removing the attached ash and suppressing the attachment.
【0008】[0008]
【課題を解決するための手段】上記目的を達成するた
め、本発明に係るボイラ燃焼監視装置は、ボイラ炉壁に
穿設された監視孔に挿入された撮像手段により、ボイラ
内の火炎を撮像して燃焼状態を監視するボイラ燃焼状態
監視装置において、前記監視孔と前記撮像手段との間隙
を、前記監視孔の軸方向に進退移動して前記監視孔に堆
積された燃焼灰を除去する灰除去手段を設けたことを特
徴とする。前記灰除去手段は、環状のプレートと、該環
状のプレートを、前記監視窓と前記撮像手段との間隙に
前記監視孔の軸方向に進退移動させる手段とを有するも
のであってもよい。In order to achieve the above object, a boiler combustion monitoring apparatus according to the present invention images a flame in a boiler by an imaging means inserted in a monitoring hole formed in a boiler furnace wall. In the boiler combustion state monitoring device for monitoring the combustion state by means of ash for removing the combustion ash accumulated in the monitoring hole by moving back and forth in the gap between the monitoring hole and the imaging means in the axial direction of the monitoring hole. It is characterized in that a removing means is provided. The ash removing means may include an annular plate and means for moving the annular plate forward and backward in a gap between the monitoring window and the imaging means in the axial direction of the monitoring hole.
【0009】また、前記手段は、空気を動力源として前
記環状のプレートを前記監視孔の進退方向に移動させる
ピストン手段であってもよい。Further, the means may be piston means for moving the annular plate in the advancing / retreating direction of the monitoring hole by using air as a power source.
【0010】更に、前記手段は、前記環状のプレートを
周期的に前記進退移動させる手段を有するものであって
もよい。Further, the means may include means for periodically moving the annular plate forward and backward.
【0011】[0011]
【作用】撮像手段と本灰除去装置を同一の監視孔(窓)
を利用し、石炭燃焼によって生成される灰を、除去し、
また灰の付着を抑制することで、監視窓からの炉内の監
視を常時行うことが可能となる。[Function] The image pickup means and the main ash removing device are the same monitoring hole (window)
To remove the ash produced by coal combustion,
Further, by suppressing the adhesion of ash, it becomes possible to constantly monitor the inside of the furnace through the monitoring window.
【0012】また、スートブロワ(蒸気噴霧によるすす
除去装置)の様に蒸気を噴霧することがないため、燃焼
装置での燃焼火炎に影響を与えることが無い為、燃焼装
置近傍での燃焼状態の監視が行える。Further, unlike the soot blower (a soot removing device by steam spraying), no steam is sprayed, so there is no effect on the combustion flame in the combustion device. Therefore, the combustion state near the combustion device is monitored. Can be done.
【0013】[0013]
【実施例】以下、本発明の一実施例を図面を参照し説明
する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【0014】図1は、本発明が適用されるボイラ燃焼状
態炉内監視装置の概要を示す図である。図1に示す装置
は、炉内監視用ITVカメラ1と、この炉内監視用IT
Vカメラ1に接続されたカメラ制御装置2とこのカメラ
制御装置2に接続されたモータ3で構成されている。炉
内監視用ITVカメラ1はボイラ炉壁7に穿設された監
視用窓4に設置されており、ボイラ内の燃焼装置(以下
バーナと称す)5のバーナ火炎6を監視する。FIG. 1 is a diagram showing an outline of a boiler combustion state in-core monitoring device to which the present invention is applied. The apparatus shown in FIG. 1 includes an ITV camera 1 for in-reactor monitoring and an IT for in-reactor monitoring.
It is composed of a camera control device 2 connected to the V camera 1 and a motor 3 connected to the camera control device 2. The in-furnace monitoring ITV camera 1 is installed in a monitoring window 4 formed in a boiler furnace wall 7, and monitors a burner flame 6 of a combustion device (hereinafter referred to as a burner) 5 in the boiler.
【0015】監視映像は炉内監視用ITVカメラ1から
カメラ制御装置2に送信され、モニタ3に映し出され
る。The monitoring video is transmitted from the ITV camera 1 for monitoring inside the furnace to the camera control device 2 and displayed on the monitor 3.
【0016】図2は、本発明に係るボイラ燃焼状態監視
装置の一実施例を説明するための図である。図1で示し
た炉内監視システムに灰除去システム8を組み込むこと
により構成される。灰除去システム8は、炉内監視用I
TVカメラ1を設置する監視用窓4と同じ場所に設置す
る。灰除去システム8は、カメラ制御装置2より炉内監
視開始信号を受信し、タイマー回路9を動作する。タイ
マー回路9により一定周期単位に除去システム駆動信号
を送信し、除去システム8を動作する。この動作により
監視用窓4に付着する灰を除去し、灰の付着を抑制す
る。FIG. 2 is a diagram for explaining an embodiment of the boiler combustion state monitoring device according to the present invention. It is configured by incorporating an ash removal system 8 into the in-core monitoring system shown in FIG. The ash removal system 8 is for monitoring inside the furnace I
It is installed in the same place as the monitoring window 4 in which the TV camera 1 is installed. The ash removal system 8 receives the in-furnace monitoring start signal from the camera control device 2 and operates the timer circuit 9. The removal circuit drive signal is transmitted by the timer circuit 9 in constant cycle units to operate the removal system 8. By this operation, the ash attached to the monitoring window 4 is removed, and the ash attachment is suppressed.
【0017】次に図3にて除去システム8のシステム構
成及び操作について説明する。灰除去システム8は、灰
を除去するための除去フレーム13とこの除去フレーム
13に接続するシリンダー12,シリンダー12の動作
を制御するスピードコントローラ14,シリンダー12
を動作するための電磁弁10及び空気配管11−1・1
1−2・11−3、また、この電磁弁10を動作するた
めのタイマー回路9から構成されている。Next, the system configuration and operation of the removal system 8 will be described with reference to FIG. The ash removal system 8 includes a removal frame 13 for removing ash, a cylinder 12 connected to the removal frame 13, a speed controller 14 for controlling the operation of the cylinder 12, and a cylinder 12.
Solenoid valve 10 and air piping 11-1.1 for operating
1-2.11-3, and a timer circuit 9 for operating the solenoid valve 10.
【0018】上記構成において、カメラ制御装置2から
炉内監視開始信号によりタイマー回路9が動作する。タ
イマー回路9から一定周期単位に電磁弁10にON・O
FF信号(電磁弁10の開動作信号=ON信号,電磁弁
10の閉動作信号=OFF信号)を送り、電磁弁10を
開動作及び閉動作させる。この電磁弁10の開・閉動作
により空気配管11−1・11−2・11−3に流れる
空気の流れ方向を変え、シリンダー12に流れ込む空気
の向きを変えシリンダー12を押し動作,引き動作に変
換する。このシリンダー12の押し引き動作によりシリ
ンダー12の先端に接続される除去フレーム13を押し
引き動作し、灰の除去を行う。また、除去フレーム13
の押し引きの強さは、シリンダー12と空気配管11−
2と11−3の接合部に設置されたスピードコントロー
ラ14により空気の流量調整により行うことができる。In the above structure, the timer circuit 9 is operated by the in-furnace monitoring start signal from the camera control device 2. ON / O from the timer circuit 9 to the solenoid valve 10 in fixed cycle units
An FF signal (opening operation signal of the solenoid valve 10 = ON signal, closing operation signal of the solenoid valve 10 = OFF signal) is sent to open and close the solenoid valve 10. By opening / closing the solenoid valve 10, the flow direction of the air flowing through the air pipes 11-1, 11-2, 11-3 is changed, the direction of the air flowing into the cylinder 12 is changed, and the cylinder 12 is pushed or pulled. Convert. By the pushing / pulling operation of the cylinder 12, the removing frame 13 connected to the tip of the cylinder 12 is pushed / pulling operation to remove the ash. Also, the removal frame 13
The pushing and pulling strength of the cylinder 12 and the air pipe 11-
This can be performed by adjusting the flow rate of air by the speed controller 14 installed at the joint between 2 and 11-3.
【0019】次に図4,図5を用いて灰の除去方法につ
いて詳細を示す。図4は、動作原理について示すもので
ある。シリンダー12は、スピードコントローラ14と
空気配管11−1・11−2・11−3が接続されてい
る。電磁弁10の開・閉の動作により空気が流れ込みシ
リンダー12に内接するピストン15を押し引きする。
電磁弁10が開動作の場合、空気の流れは空気配管11
−2−1よりスピードコントローラ14−1を通りピス
トン15を押し、スピードコントローラ14−2を通り
空気配管11−2−2を通り電磁弁10に到る。逆に、
電磁弁10が閉動作の場合、空気の流れは逆となり、空
気配管11−2−2からスピードコントローラ14−2
を通り、ピストン15を押し戻し、スピードコントロー
ラ14−1を通り、空気配管11−2−1を通り電磁弁
10に到る。この様に電磁弁10の開・閉動作によりシ
リンダー12に内接するピストン15を押し動作・押し
戻し(引き)動作に変換し、ピストン15に接続する除
去フレーム13を押し・引き動作する。Next, the method of removing ash will be described in detail with reference to FIGS. FIG. 4 shows the operating principle. The cylinder 12 is connected to the speed controller 14 and the air pipes 11-1, 11-2, 11-3. Air flows in by the opening / closing operation of the solenoid valve 10 and pushes and pulls the piston 15 inscribed in the cylinder 12.
When the solenoid valve 10 is in the opening operation, the air flow is the air pipe 11
2-1 pushes the piston 15 through the speed controller 14-1, passes through the speed controller 14-2, passes through the air pipe 11-2-2, and reaches the solenoid valve 10. vice versa,
When the solenoid valve 10 is closed, the air flow is reversed, and the air pipe 11-2-2 to the speed controller 14-2
, The piston 15 is pushed back, passes through the speed controller 14-1, passes through the air pipe 11-2-1 and reaches the solenoid valve 10. In this way, the opening / closing operation of the solenoid valve 10 converts the piston 15 inscribed in the cylinder 12 into pushing / pushing back (pulling) operation, and pushes / pulls the removal frame 13 connected to the piston 15.
【0020】図5は、除去フレーム13により灰除去原
理を示す。除去フレーム13は炉壁7に開けられた監視
用窓4内をシリンダー12の押し引き動作により動作す
る。シリンダー12の押し動作の場合、除去フレーム1
3は炉内に半分程度突出する。次にシリンダー12の引
き動作により監視用窓内に戻る。この押し引き動作は、
連続には行われない。本動作は一定周期ごとに押し引き
を行う。連続で押し引き動作を続けると灰の除去が出来
なくなってしまうため、ある程度、灰を付着させた時点
で押し引き動作を行う。これにより、灰をある程度の塊
まりとして除去することができる。FIG. 5 shows the ash removal principle by the removal frame 13. The removal frame 13 operates by pushing and pulling the cylinder 12 in the monitoring window 4 opened in the furnace wall 7. In case of pushing operation of the cylinder 12, the removing frame 1
No. 3 projects into the furnace by about half. Then, the cylinder 12 is pulled to return to the inside of the monitoring window. This push-pull operation is
It is not done continuously. This operation pushes and pulls at regular intervals. As the ash cannot be removed if the push-pull operation is continued continuously, the push-pull operation is performed when the ash is attached to some extent. As a result, the ash can be removed as lumps to some extent.
【0021】図6に除去フレーム13の構造を示す。本
除去フレーム13は監視用窓とほぼ同径の円状のフレー
ムであり、フレームの中央には炉内監視用ITVカメラ
1を設置可能とするために炉内監視用ITVカメラ1よ
り大きめの円形状の穴が設けられている。これにより除
去フレーム13は炉内監視用ITVカメラ1に影響を与
えることが無く押し引き動作が可能となる。また、炉内
監視用窓4を利用し同じ位置での監視及び灰の除去が可
能となる。FIG. 6 shows the structure of the removal frame 13. The removal frame 13 is a circular frame having almost the same diameter as the monitoring window, and a larger circle than the in-core monitoring ITV camera 1 so that the in-core monitoring ITV camera 1 can be installed in the center of the frame. Shaped holes are provided. As a result, the removal frame 13 can be pushed and pulled without affecting the ITV camera 1 for monitoring inside the furnace. Further, it is possible to monitor and remove ash at the same position by using the in-furnace monitoring window 4.
【0022】[0022]
【発明の効果】以上説明した様に、本発明によれば、石
炭焚火力発電プラント用ボイラの炉内での燃焼監視を行
う炉内監視装置において、炉内監視用ITVカメラを設
置する監視窓に機械的動作による灰を除去する除去装置
を設置することで、バーナ等の燃焼装置の燃焼火炎に影
響を与えることがないため、燃焼装置の近傍にも設置可
能となる。As described above, according to the present invention, in the in-core monitoring device for monitoring combustion in the furnace of the coal-fired power plant, the monitoring window in which the ITV camera for monitoring in-core is installed. By installing a removing device that removes ash due to mechanical operation, since it does not affect the combustion flame of a combustion device such as a burner, it can be installed near the combustion device.
【0023】これにより、炉内監視装置の設置箇所に自
由度が与えられ、且つ監視も連続で行うことが出来るた
め、プラントの安定な運転管理も向上する効果がある。As a result, the degree of freedom is given to the installation location of the in-core monitoring device, and continuous monitoring can be performed, so that stable operation management of the plant is also improved.
【図1】本発明が適用される炉内監視システムの概要を
示す図である。FIG. 1 is a diagram showing an outline of a reactor monitoring system to which the present invention is applied.
【図2】本発明の一実施例であり、炉内監視システムに
灰除去システムを組み込んだ構成を示す図である。FIG. 2 is a diagram showing a configuration in which an ash removal system is incorporated in a furnace monitoring system, which is an embodiment of the present invention.
【図3】本発明に係る灰除去システムの詳細構成を示す
図である。FIG. 3 is a diagram showing a detailed configuration of an ash removal system according to the present invention.
【図4】本発明に係る灰除去システムの動作機構を示す
図である。FIG. 4 is a view showing an operating mechanism of the ash removing system according to the present invention.
【図5】本発明に係る灰除去の動作を示す図である。FIG. 5 is a diagram showing an ash removal operation according to the present invention.
【図6】本発明に係る除去フレームの構造を示す図であ
る。FIG. 6 is a diagram showing a structure of a removal frame according to the present invention.
1…炉内監視用ITVカメラ、2…カメラ側制御装置、
3…モニタ、4…監視用窓、5…燃焼装置(バーナ)、
6…燃焼火炎、7…炉壁、8…灰除去システム、9…タ
イマー回路、10…電磁弁、11−1,11−2,11
−3(11−2−1,11−2−2)…空気配管、12
…シリンダー、13…除去フレーム、13−1…フレー
ム先端、13−2,13−3…フレームシリンダ接続
棒、14,14−1,14−2…スピードコントロー
ラ、15…ピストン、16…灰、17−カメラ用開口
部。1 ... ITV camera for monitoring inside the furnace, 2 ... Camera side control device,
3 ... Monitor, 4 ... Monitoring window, 5 ... Combustion device (burner),
6 ... Combustion flame, 7 ... Furnace wall, 8 ... Ash removal system, 9 ... Timer circuit, 10 ... Solenoid valve, 11-1, 11-2, 11
-3 (11-2-1, 11-2-2) ... Air piping, 12
... Cylinder, 13 ... Removal frame, 13-1 ... Frame tip, 13-2, 13-3 ... Frame cylinder connecting rod, 14, 14-1, 14-2 ... Speed controller, 15 ... Piston, 16 ... Ash, 17 -A camera opening.
Claims (4)
た撮像手段により、ボイラ内の火炎を撮像して燃焼状態
を監視するボイラ燃焼状態監視装置において、 前記監視孔と前記撮像手段との間隙を、前記監視孔の軸
方向に進退移動して前記監視孔に堆積された燃焼灰を除
去する灰除去手段を設けたことを特徴とするボイラ燃焼
状態監視装置。Claim: What is claimed is: 1. A boiler combustion state monitoring device for monitoring a combustion state by capturing an image of a flame in a boiler by an image capturing means inserted in a monitoring hole formed in a boiler furnace wall, the monitoring hole and the image capturing means. The boiler combustion state monitoring device is provided with an ash removing unit that moves forward and backward in the axial direction of the monitoring hole to remove the combustion ash accumulated in the monitoring hole.
た撮像手段により、ボイラ内の火炎を撮像して燃焼状態
を監視するボイラ燃焼状態監視装置において、 環状のプレートと、該環状のプレートを、前記監視窓と
前記撮像手段との間隙に前記監視孔の軸方向に進退移動
させる手段とを設けたことを特徴とするボイラ燃焼状態
監視装置。2. A boiler combustion state monitoring device for monitoring a combustion state by capturing an image of a flame in a boiler by an image pickup means inserted in a monitoring hole formed in a boiler furnace wall. And a means for moving the plate in the axial direction of the monitoring hole in a gap between the monitoring window and the imaging means.
において、前記手段は、空気を動力源として前記環状の
プレートを前記監視孔の進退方向に移動させるピストン
手段であることを特徴とするボイラ燃焼状態監視装置。3. The boiler combustion state monitoring device according to claim 2, wherein the means is piston means for moving the annular plate in the advancing and retracting direction of the monitoring hole by using air as a power source. Boiler combustion condition monitoring device.
において、前記手段は、前記環状のプレートを周期的に
前記進退移動させる手段を有することを特徴とするボイ
ラ燃焼状態監視装置。4. The boiler combustion state monitoring apparatus according to claim 2, wherein the means includes means for periodically moving the annular plate forward and backward.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32663994A JPH08178260A (en) | 1994-12-28 | 1994-12-28 | Combustion monitor for boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32663994A JPH08178260A (en) | 1994-12-28 | 1994-12-28 | Combustion monitor for boiler |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH08178260A true JPH08178260A (en) | 1996-07-12 |
Family
ID=18190037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32663994A Pending JPH08178260A (en) | 1994-12-28 | 1994-12-28 | Combustion monitor for boiler |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH08178260A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104117279A (en) * | 2014-07-17 | 2014-10-29 | 中国华能集团公司 | SNCR denitration control system of power station boiler and control method of SNCR denitration control system |
CN104266221A (en) * | 2014-10-29 | 2015-01-07 | 武汉华科高能工程技术有限公司 | Observing device in self-cleaning high-temperature furnace |
CN111735303A (en) * | 2020-06-18 | 2020-10-02 | 山东中阳碳素股份有限公司 | Burning monitoring system of petroleum coke calcining furnace |
-
1994
- 1994-12-28 JP JP32663994A patent/JPH08178260A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104117279A (en) * | 2014-07-17 | 2014-10-29 | 中国华能集团公司 | SNCR denitration control system of power station boiler and control method of SNCR denitration control system |
CN104117279B (en) * | 2014-07-17 | 2015-11-11 | 中国华能集团公司 | A kind of station boiler SNCR denitration control system and control method thereof |
CN104266221A (en) * | 2014-10-29 | 2015-01-07 | 武汉华科高能工程技术有限公司 | Observing device in self-cleaning high-temperature furnace |
CN111735303A (en) * | 2020-06-18 | 2020-10-02 | 山东中阳碳素股份有限公司 | Burning monitoring system of petroleum coke calcining furnace |
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