JPH09257372A - Burner combustion controller - Google Patents
Burner combustion controllerInfo
- Publication number
- JPH09257372A JPH09257372A JP6438696A JP6438696A JPH09257372A JP H09257372 A JPH09257372 A JP H09257372A JP 6438696 A JP6438696 A JP 6438696A JP 6438696 A JP6438696 A JP 6438696A JP H09257372 A JPH09257372 A JP H09257372A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- combustion
- flow rate
- signal
- burner
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、炉内温度を調節す
るバーナ燃焼制御装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burner combustion controller for adjusting the temperature inside a furnace.
【０００２】[0002]
【従来の技術】従来、図３に示す炉の燃焼制御系が公知
であり、この制御系は複数のバーナ３ａ，３ｂ，３ｃを
備えている。そして、炉毎あるいは加熱帯域毎に一つの
温度検出器１を設けて、これによる検出温度を温度調節
装置２に入力し、炉温が所定温度になるように、温度調
節装置２からの信号により燃焼用空気制御弁４および燃
料制御弁５の開度を調節して各バーナ３ａ，３ｂ，３ｃ
の燃焼量を制御するようにしてある。なお、図中６、７
はそれぞれ手動の空気調節弁、燃料調節弁を示してい
る。また、この燃焼制御系では、常に各バーナを同一の
燃焼量で燃焼させるようにするため、被加熱物（処理
材）の形状、寸法、炉の形態等によって炉内温度分布が
必ずしも同じにはならず、乱れる場合もある。このた
め、炉内各部の温度を確認しつつ、空気調節弁６、燃料
調節弁７の開度を手動で調節することにより、或は処理
材均熱時間を延長することにより炉内温度や処理材温度
の均一化が図られている。2. Description of the Related Art Conventionally, a combustion control system for a furnace shown in FIG. 3 is known, and this control system includes a plurality of burners 3a, 3b, 3c. Then, one temperature detector 1 is provided for each furnace or each heating zone, and the detected temperature by this is input to the temperature adjusting device 2, and a signal from the temperature adjusting device 2 is used so that the furnace temperature becomes a predetermined temperature. The burner air control valve 4 and the fuel control valve 5 are adjusted in opening degree to control the burners 3a, 3b, 3c.
The combustion amount of is controlled. In addition, 6, 7 in the figure
Indicate a manual air control valve and a fuel control valve, respectively. Further, in this combustion control system, in order to always burn each burner with the same amount of combustion, the temperature distribution in the furnace is not necessarily the same depending on the shape and size of the object to be heated (treatment material), the form of the furnace, etc. However, it may be disturbed. Therefore, while confirming the temperature of each part in the furnace, the temperature in the furnace and the processing can be adjusted by manually adjusting the opening of the air control valve 6 and the fuel control valve 7 or by extending the soaking time of the processing material. The material temperature is made uniform.
【０００３】[0003]
【発明が解決しようとする課題】上記燃焼制御系の場
合、炉内（被処理材）温度の均一化による被処理材の高
品質化を図るためには、現場作業量および処理時間（消
費エネルギ）が増大するという問題が生じる。一方、自
動的に炉内温度を均一にするために上述したように炉毎
或は加熱帯域毎の温度検出器１、温度調節装置２を各バ
ーナ３ａ，３ｂ，３ｃ毎に設置すると、各バーナ毎の燃
焼量制御は可能となるが、隣接するバーナの熱影響を受
け、各位置における炉内温度がハンチングする可能性が
あるという問題もある。本発明は、斯る従来の問題をな
くすことを課題としてなされたもので、被処理材の寸
法、位置、炉の形態等とは無関係に炉内の各位置におけ
る温度を自動的に所望の値にするバーナ燃焼制御装置を
提供することにある。In the case of the above combustion control system, in order to improve the quality of the material to be treated by making the temperature in the furnace (material to be treated) uniform, the amount of work on site and the processing time (energy consumption) ) Increases. On the other hand, if the temperature detector 1 and the temperature adjusting device 2 for each furnace or each heating zone are installed for each burner 3a, 3b, 3c as described above in order to automatically make the temperature inside the furnace uniform, Although it is possible to control the combustion amount for each burner, there is a problem that the temperature inside the furnace at each position may be hunting due to the heat effect of the adjacent burner. The present invention has been made with the object of eliminating such a conventional problem, and the temperature at each position in the furnace is automatically adjusted to a desired value regardless of the dimensions of the material to be processed, the position, the form of the furnace, and the like. Another object of the present invention is to provide a burner combustion control device.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決するため
に、第１発明は、炉内の代表的な温度を検出する一つの
基準温度検出器と、炉内の各部の温度を検出する複数の
各部温度検出器と、上記基準温度検出器により検出され
た基準温度を示す基準温度信号を受けて、この基準温度
と予め入力された設定温度との偏差の値に対応した燃焼
量信号および上記基準温度を出力する温度調節計と、上
記各部温度検出器により検出された各部の温度を示す各
部温度信号と上記基準温度信号とを受けて、上記各部の
温度と上記基準温度の上下に予め設定された幅を有する
温度領域の上限温度、下限温度との各偏差を上記各部毎
に示す偏差信号を出力する温度偏差演算器と、この偏差
信号を受けて、予め定めたバーナの複数の燃焼パターン
の中から上記各偏差の値に対応する燃焼パターンの種類
を設定時間毎に選択し、この選択された種類を示すパタ
ーン信号を出力するシーケンサと、このパターン信号と
上記燃焼量信号とを受けて、このパターン信号に対応す
る燃焼パターンと上記燃焼量信号が示す燃焼量に基づき
上記各部温度検出器に対応する位置に設けられた複数の
バーナの各燃焼調節部に対して燃料流量と空気流量を調
節する信号を出力するバーナ操作部と、から形成した。In order to solve the above-mentioned problems, a first invention is one reference temperature detector for detecting a typical temperature in a furnace, and a plurality of temperature detectors for detecting the temperature of each part in the furnace. Each part temperature detector, receiving a reference temperature signal indicating the reference temperature detected by the reference temperature detector, the combustion amount signal corresponding to the value of the deviation between the reference temperature and the preset temperature and the above A temperature controller that outputs a reference temperature, the temperature signals of the respective parts indicating the temperatures of the respective parts detected by the temperature detectors of the respective parts, and the reference temperature signal, and the temperatures of the respective parts and above and below the reference temperature are preset A temperature deviation calculator that outputs a deviation signal indicating each deviation between an upper limit temperature and a lower limit temperature of a temperature region having a predetermined width, and a plurality of combustion patterns of a burner predetermined in response to the deviation signal. From each of the above A sequencer that selects the type of combustion pattern corresponding to the value of at every set time and outputs a pattern signal indicating the selected type, and receives this pattern signal and the combustion amount signal, and responds to this pattern signal Based on the combustion pattern and the combustion amount indicated by the combustion amount signal, a signal for adjusting the fuel flow rate and the air flow rate is output to each combustion adjustment section of the plurality of burners provided at the positions corresponding to the temperature detectors for each section. And a burner operating part.
【０００５】また、第２発明は、上記シーケンサを、上
記温度領域の上限温度よりも上記各部の温度が高いこと
を上記各偏差が示している場合には、上記燃焼量に対応
する制御量である上記燃料流量と空気流量の値を現状に
比してより小さくする燃焼パターンを選択する一方、上
記温度領域の下限温度よりも上記各部の温度が低いこと
を上記各偏差が示している場合には、上記燃焼量に対応
する制御量である上記燃料流量と空気流量の値を現状に
比してより大きくする燃焼パターンを選択するように形
成した。Further, in the second aspect of the invention, when the deviation indicates that the temperature of each part is higher than the upper limit temperature of the temperature range, the sequencer is controlled by the control amount corresponding to the combustion amount. While selecting a combustion pattern that makes the values of the fuel flow rate and the air flow rate smaller than the current state, if the deviations indicate that the temperature of each part is lower than the lower limit temperature of the temperature range, Is configured to select a combustion pattern that makes the values of the fuel flow rate and the air flow rate, which are control amounts corresponding to the combustion amount, larger than the current values.
【０００６】さらに、第３発明は、上記温度領域の幅と
上記設定時間とを変更可能とした構成にした。Further, according to the third invention, the width of the temperature region and the set time can be changed.
【０００７】[0007]
【発明の実施の形態】次に、本発明の実施の一形態を図
面にしたがって説明する。図１は本発明に係るバーナ燃
焼制御装置を示し、ここに示す例の場合、一つの基準温
度検出器１１と、３組の各部温度検出器１２ａ，１２
ｂ，１２ｃと、温度調節計１３と、温度偏差演算器１４
と、シーケンサ１５と、バーナ操作部１６ａ，１６ｂ，
１６ｃとから形成されている。ここで、基準温度検出器
１１は、炉２１内の代表的な温度を検出できる位置に設
けられており、各部温度検出器１２ａ，１２ｂ，１２ｃ
は炉２１内のバーナ２２ａ，２２ｂ，２２ｃに対向した
位置のそれぞれに設けられている。なお、各部温度検出
器１２ａ，１２ｂ，１２ｃの取り付け位置は、バーナ２
２ａ，２２ｂ，２２ｃに対向する位置に限定するもので
なく、バーナ２２ａ，２２ｂ，２２ｃの個々の燃焼によ
る熱影響を、他の２本のバーナの燃焼による熱影響とは
明確に区別できる程度にこの他の２本のバーナの燃焼に
よる熱影響より強く受け得る位置であればよい。Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a burner combustion control device according to the present invention. In the case of the example shown here, one reference temperature detector 11 and three sets of temperature detectors 12a, 12 are provided.
b, 12c, temperature controller 13, temperature deviation calculator 14
, Sequencer 15, burner operating units 16a, 16b,
16c. Here, the reference temperature detector 11 is provided at a position where a typical temperature in the furnace 21 can be detected, and the temperature detectors 12a, 12b, 12c of the respective parts are provided.
Are provided in the furnace 21 at respective positions facing the burners 22a, 22b, 22c. The temperature detectors 12a, 12b, 12c are attached to the burner 2 at different positions.
It is not limited to the positions facing 2a, 22b, 22c, but the heat effect due to the individual combustion of the burners 22a, 22b, 22c can be clearly distinguished from the heat effect due to the combustion of the other two burners. Any other position may be used as long as it is more strongly affected by the heat effect of the combustion of the other two burners.
【０００８】また、図示する例では、被処理材２３が炉
２１に搬入され、その一方の端部近傍に位置した状態を
示しており、バーナ２２ａと各部温度検出器１２ａがこ
の被処理材２３に最も近い位置にあり、バーナ２２ｂと
各部温度検出器１２ｂがこの被処理材２３からやや離れ
た位置にあり、バーナ２２ｃと各部温度検出器１２ｃが
被処理材２３から最も離れた炉２１の他方の端部に近い
位置にある。温度調節計１３は、予め定められた温度設
定値、例えば１０００℃の値を入力される一方、基準温
度検出器１１により検出された基準温度を示す基準温度
信号を受け、この基準温度と上記温度設定値との偏差を
算出し、この偏差の値に対応した燃焼量信号を出力する
とともに、上記基準温度信号を出力する。In the illustrated example, the material 23 to be treated is carried into the furnace 21 and is positioned near one end of the furnace 21, and the burner 22a and the temperature detectors 12a are used to treat the material 23. The burner 22b and each temperature detector 12b are located at a position slightly distant from the material to be treated 23, and the burner 22c and each temperature detector 12c are the other from the furnace 21 farthest from the material 23 to be treated. It is located near the edge of. The temperature controller 13 receives a reference temperature signal indicating the reference temperature detected by the reference temperature detector 11 while receiving a predetermined temperature set value, for example, a value of 1000 ° C., and receives the reference temperature and the above temperature. A deviation from the set value is calculated, a combustion amount signal corresponding to the deviation value is output, and the reference temperature signal is output.
【０００９】温度偏差演算器１４は、各部温度検出器１
２ａ，１２ｂ，１２ｃにより検出された各部の温度を示
す各部温度信号と上記基準温度信号とを受ける一方、予
め基準温度の上下に設定された幅を有する温度領域を定
めておくための温度を入力されている。即ち、この温度
偏差演算器１４には、例えば、２種類の設定温度、Δｔ
1＝３℃、Δｔ2＝３℃を予め入力し、基準温度＋Δｔ1
を上限温度とし、基準温度−Δｔ2を下限温度とする温
度領域が定められる。ここで、上記基準温度は常に一定
しているものではない故、上記温度領域自体も常に一定
しているものではない。The temperature deviation calculator 14 is a temperature detector 1 for each part.
2a, 12b, 12c receives the temperature signal of each part indicating the temperature of each part and the reference temperature signal, while inputting the temperature for defining a temperature region having a width set above and below the reference temperature in advance. Has been done. That is, the temperature deviation calculator 14 has, for example, two kinds of set temperatures, Δt.
Input 1 = 3 ° C and Δt 2 = 3 ° C in advance, and set the reference temperature + Δt 1
Is set as an upper limit temperature, and a reference temperature −Δt 2 is set as a lower limit temperature. Here, since the reference temperature is not always constant, the temperature region itself is not always constant.
【００１０】なお、設定温度Δｔ1、Δｔ2は必ずしも同
一にする必要はなく、上記値に限定するものでもなく、
逆にΔｔ1＝Δｔ2、即ち基準温度の上下の幅を等しくし
て、１種類の設定温度Δｔ（＝Δｔ1＝Δｔ2）だけを入
力するだけで、温度領域が定まるようにしてもよい。ま
た、設定温度Δｔ1とΔｔ2、或はΔｔの値を適宜調整可
能にしておくのが好ましい。さらに、この温度偏差演算
器１４において、｛各部の温度−（基準温度＋Δ
ｔ1）｝、および｛（基準温度−Δｔ2）−各部の温度｝
の演算が行われ、各偏差を示す上記各部毎に示す偏差信
号が出力される。即ち、ここに示す例の場合、各部温度
検出器１２ａ，１２ｂ，１２ｃのそれぞれに対応して、
各偏差信号が出力される。The set temperatures Δt 1 and Δt 2 do not necessarily have to be the same and are not limited to the above values.
On the contrary, Δt 1 = Δt 2 , that is, the upper and lower widths of the reference temperature are equalized, and only one kind of set temperature Δt (= Δt 1 = Δt 2 ) may be input to determine the temperature region. . Further, it is preferable that the set temperatures Δt 1 and Δt 2 or the value of Δt can be adjusted appropriately. Further, in the temperature deviation calculator 14, {temperature of each part− (reference temperature + Δ
t 1 )}, and {(reference temperature-Δt 2 ) -temperature of each part}
Is performed, and a deviation signal indicating each deviation is output for each unit. That is, in the case of the example shown here, corresponding to each of the temperature detectors 12a, 12b, 12c,
Each deviation signal is output.
【００１１】シーケンサ１５は、温度検出器１２ａ，１
２ｂ，１２ｃのそれぞれに対応する各偏差信号を受け
て、予め定めたバーナの複数の燃焼パターンの中から上
記各偏差の値に対応する燃焼パターンの種類を設定時
間、例えば１分毎に選択し、この選択された種類を示す
パターン信号を出力する。例えば、図２に示すように燃
焼量と、燃料流量および空気流量（図２の縦軸では、こ
れらを、それぞれの最大値に対する比として表してあ
る）との関係を示すＩ〜Ｖの５種類の燃焼パターンが定
められている場合、上記各偏差の値に対応して燃焼パタ
ーンＩ〜Ｖの内のいずれにするかが選択される。ここに
示す例の場合、上記燃焼パターンＩから燃焼パターンＶ
へと勾配が大きくなっており、燃料流量および空気流量
が１００％に達するまでは、燃焼量に対応する制御量で
ある上記燃料流量と空気流量の値が大きくなっている。The sequencer 15 includes temperature detectors 12a, 1
Receiving each deviation signal corresponding to each of 2b and 12c, the type of combustion pattern corresponding to the value of each deviation is selected from a plurality of combustion patterns of a predetermined burner for a set time, for example, every one minute. , And outputs a pattern signal indicating the selected type. For example, as shown in FIG. 2, five types of I to V showing the relationship between the combustion amount and the fuel flow rate and the air flow rate (in the vertical axis of FIG. 2, these are expressed as a ratio to each maximum value). When the combustion pattern is defined, any one of the combustion patterns I to V is selected corresponding to the value of each deviation. In the case of the example shown here, the combustion pattern I to the combustion pattern V
The gradient becomes larger and the values of the fuel flow rate and the air flow rate, which are the control amounts corresponding to the combustion amount, increase until the fuel flow rate and the air flow rate reach 100%.
【００１２】そして、操業開始時には、例えば燃焼パタ
ーンIIIが選択され、さらに上記各偏差が、上記温度領域
の上限温度よりも上記各部の温度が高いことを示してい
る場合、即ち｛各部の温度−（基準温度＋Δｔ1）｝＞
０の場合には、上記燃焼量に対応する制御量である上記
燃料流量と空気流量の値を現状に比してより小さくする
燃焼パターン、図２に示す例の場合は一つ小さい番号の
燃焼パターンが選択される。これに対して、上記各偏差
が、上記温度領域の下限温度よりも上記各部の温度が低
いことを示している場合、即ち｛（基準温度−Δｔ2）
−各部の温度｝＞０の場合には、上記燃焼量に対応する
制御量である上記燃料流量と空気流量の値を現状に比し
てより大きくする燃焼パターン、図２に示す例の場合は
一つ大きい番号の燃焼パターンが選択される。その他の
場合には、現状の燃焼パターンが維持される。なお、上
記設定時間は、適宜変更可能にしておくのが好ましい。When the operation is started, for example, the combustion pattern III is selected, and further, the deviations indicate that the temperature of each part is higher than the upper limit temperature of the temperature range, that is, {temperature of each part- (Reference temperature + Δt 1 )}>
In the case of 0, the combustion pattern that makes the values of the fuel flow rate and the air flow rate, which are the control amounts corresponding to the combustion amount, smaller than the current state, in the case of the example shown in FIG. The pattern is selected. On the other hand, when each deviation indicates that the temperature of each part is lower than the lower limit temperature of the temperature range, that is, {(reference temperature-Δt 2 ).
-Temperature of each part> 0, a combustion pattern that makes the values of the fuel flow rate and the air flow rate, which are the control amounts corresponding to the combustion amount, larger than the current state, in the case of the example shown in FIG. The one higher numbered combustion pattern is selected. In other cases, the current combustion pattern is maintained. It is preferable that the set time can be changed appropriately.
【００１３】複数種類、図２に示す例の場合は５種類の
上記燃焼パターン自体は、バーナ操作部１６ａ、１６
ｂ、１６ｃのそれぞれに予め入力されており、各バーナ
操作部１６ａ、１６ｂ、１６ｃは、各部温度検出器１２
ａ，１２ｂ，１２ｃによる検出温度に対応して選択され
た上記パターン信号を受け、そのパターン信号に対応す
る燃焼パターンと温度調節計１３より入力された燃焼量
信号が示す燃焼量とに基づき各部温度検出器１２ａ，１
２ｂ，１２ｃに対応する位置に設けられたバーナ２２
ａ，２２ｂ，２２ｃの各燃焼調節部に対して燃料流量と
空気流量を調節する信号を出力する。例えば、燃焼パタ
ーンIIIに基づいてバーナ２２ａ，２２ｂ，２２ｃの燃
焼調節部の各々が制御されている場合において、基準温
度が１０００℃で、各部温度検出器１２ａ，１２ｂ，１
２ｃによる上記各部の温度が、この順に９９１℃，９９
７℃，１００５℃となっている場合、各バーナ操作部１
６ａ，１６ｂ，１６ｃはこの順に燃焼パターンIV，II
I，IIに基づいて各燃焼調節部を一定時間制御を行うこ
とになる。A plurality of types, five types of combustion patterns in the case of the example shown in FIG.
b, 16c, and the burner operating parts 16a, 16b, 16c are respectively inputted in advance to the temperature detectors 12 of the respective parts.
The temperature of each part is received based on the combustion pattern corresponding to the pattern signal selected according to the temperature detected by a, 12b, 12c and the combustion amount indicated by the combustion amount signal input from the temperature controller 13. Detectors 12a, 1
Burners 22 provided at positions corresponding to 2b and 12c
A signal for adjusting the fuel flow rate and the air flow rate is output to each of the combustion control units a, 22b, 22c. For example, when each of the combustion control units of the burners 22a, 22b, 22c is controlled based on the combustion pattern III, the reference temperature is 1000 ° C., and the temperature detectors 12a, 12b, 1
The temperatures of the above parts due to 2c are 991 ° C. and 99 in this order.
When the temperature is 7 ℃ and 1005 ℃, each burner operation part 1
6a, 16b and 16c are combustion patterns IV and II in this order.
Each combustion control unit will be controlled for a certain period of time based on I and II.
【００１４】このように、基準温度が設定温度よりも高
い場合には、バーナ２２ａ，２２ｂ，２２ｃのいずれの
燃焼量をも低下させ、逆の場合にはいずれの燃焼量をも
増大させるように制御しつつ、個々のバーナについては
対応する各部温度検出器１２ａ或は１２ｂ或は１２ｃに
よる検出温度が上記温度領域より高い場合には、燃焼量
をより低下させ、逆の場合には燃焼量をより増大させる
ようになっている。この結果、図示する例の場合、最も
温度の低い所のバーナ２２ａが最も強く燃焼し、逆に最
も温度の高い所にあるバーナ２２ｃが最も弱く燃焼する
ようになり、炉２１内の温度が被処理材２３の寸法、位
置、炉の形態等とは無関係に自動的に均一になるように
なっている。なお、本発明は、各部温度検出器、バーナ
の配設位置、数量を上述した例に限定されるものではな
い。As described above, when the reference temperature is higher than the set temperature, the combustion amount of any of the burners 22a, 22b, 22c is decreased, and in the opposite case, the combustion amount is increased. While controlling, when the temperature detected by the corresponding temperature detector 12a or 12b or 12c for each burner is higher than the above temperature range, the combustion amount is further decreased, and in the opposite case, the combustion amount is decreased. It is designed to increase more. As a result, in the case of the illustrated example, the burner 22a at the lowest temperature burns the strongest, and conversely, the burner 22c at the highest temperature burns the weakest, so that the temperature inside the furnace 21 is The processing material 23 is automatically made uniform irrespective of the size, position, furnace form and the like. It should be noted that the present invention is not limited to the above-described examples in which the temperature detectors and burners are arranged at the respective positions and the numbers thereof.
【００１５】[0015]
【発明の効果】以上の説明より明らかなように、第１発
明によれば、炉内の代表的な温度を検出する一つの基準
温度検出器と、炉内の各部の温度を検出する複数の各部
温度検出器と、上記基準温度検出器により検出された基
準温度を示す基準温度信号を受けて、この基準温度と予
め入力された設定温度との偏差の値に対応した燃焼量信
号および上記基準温度を出力する温度調節計と、上記各
部温度検出器により検出された各部の温度を示す各部温
度信号と上記基準温度信号とを受けて、上記各部の温度
と上記基準温度の上下に予め設定された幅を有する温度
領域の上限温度、下限温度との各偏差を上記各部毎に示
す偏差信号を出力する温度偏差演算器と、この偏差信号
を受けて、予め定めたバーナの複数の燃焼パターンの中
から上記各偏差の値に対応する燃焼パターンの種類を設
定時間毎に選択し、この選択された種類を示すパターン
信号を出力するシーケンサと、このパターン信号と上記
燃焼量信号とを受けて、このパターン信号に対応する燃
焼パターンと上記燃焼量信号が示す燃焼量に基づき上記
各部温度検出器に対応する位置に設けられた複数のバー
ナの各燃焼調節部に対して燃料流量と空気流量を調節す
る信号を出力するバーナ操作部と、から形成してある。As is apparent from the above description, according to the first aspect of the invention, one reference temperature detector for detecting a typical temperature in the furnace and a plurality of reference temperature detectors for detecting the temperature of each part in the furnace are provided. Receiving a reference temperature signal indicating the reference temperature detected by each of the temperature detectors and the reference temperature detector, the combustion amount signal corresponding to the deviation value between the reference temperature and the preset temperature and the reference A temperature controller that outputs a temperature, a temperature signal of each part indicating the temperature of each part detected by the temperature detector of each part, and the reference temperature signal, and the preset temperature above and below the temperature of each part and the reference temperature. A temperature deviation calculator that outputs a deviation signal indicating each deviation between the upper limit temperature and the lower limit temperature of a temperature range having a certain width, and a temperature deviation calculator that receives the deviation signal and outputs a plurality of combustion patterns of a predetermined burner. Of each of the above deviations A sequencer that selects the type of combustion pattern corresponding to each of the set times and outputs a pattern signal indicating the selected type, and a burner that receives the pattern signal and the combustion amount signal and that corresponds to the pattern signal A burner operation for outputting a signal for adjusting the fuel flow rate and the air flow rate to each combustion control section of a plurality of burners provided at the positions corresponding to the temperature detectors for each section based on the pattern and the combustion rate indicated by the combustion rate signal. And part.
【００１６】また、第２発明によれば、上記シーケンサ
を、上記温度領域の上限温度よりも上記各部の温度が高
いことを上記各偏差が示している場合には、上記燃焼量
に対応する制御量である上記燃料流量と空気流量の値を
現状に比してより小さくする燃焼パターンを選択する一
方、上記温度領域の下限温度よりも上記各部の温度が低
いことを上記各偏差が示している場合には、上記燃焼量
に対応する制御量である上記燃料流量と空気流量の値を
現状に比してより大きくする燃焼パターンを選択するよ
うに形成してある。According to the second aspect of the invention, the sequencer controls the sequencer when the deviations indicate that the temperature of each part is higher than the upper limit temperature of the temperature range. Each deviation indicates that the temperature of each part is lower than the lower limit temperature of the temperature range while selecting the combustion pattern that makes the values of the fuel flow rate and the air flow rate, which are the amounts, smaller than the current values. In this case, the combustion pattern is selected so that the values of the fuel flow rate and the air flow rate, which are the control amounts corresponding to the combustion amount, are made larger than the current state.
【００１７】さらに、第３発明によれば、上記温度領域
の幅と上記設定時間とを変更可能とした構成にしてあ
る。Further, according to the third aspect of the invention, the width of the temperature region and the set time can be changed.
【００１８】このため、被処理材の寸法、位置、炉の形
態等とは無関係に炉内の各位置における温度を自動的に
均一にすることが可能になるという効果を奏する。Therefore, there is an effect that the temperature at each position in the furnace can be automatically made uniform irrespective of the size and position of the material to be treated and the form of the furnace.
【図１】 本発明に係るバーナ燃焼制御装置の全体構成
を示す図である。FIG. 1 is a diagram showing an overall configuration of a burner combustion control device according to the present invention.
【図２】 図１に示す装置の燃焼パターンの一例を示す
図である。FIG. 2 is a diagram showing an example of a combustion pattern of the apparatus shown in FIG.
【図３】 従来のバーナ燃焼制御装置の全体構成を示す
図である。FIG. 3 is a diagram showing an overall configuration of a conventional burner combustion control device.
１１ 基準温度検出器 １２ａ，１２ｂ，１２ｃ
各部温度検出器 １３ 温度調節計 １４ 温度偏差演算器 １５ シーケンサ １６ａ，１６ｂ，１６ｃ
バーナ操作部 ２１ 炉 ２２ａ，２２ｂ，２２ｃ
バーナ ２３ 被処理材11 Reference temperature detectors 12a, 12b, 12c
Each part temperature detector 13 temperature controller 14 temperature deviation calculator 15 sequencer 16a, 16b, 16c
Burner operation part 21 Furnace 22a, 22b, 22c
Burner 23 Processed material
Claims (3)
準温度検出器と、炉内の各部の温度を検出する複数の各
部温度検出器と、上記基準温度検出器により検出された
基準温度を示す基準温度信号を受けて、この基準温度と
予め入力された設定温度との偏差の値に対応した燃焼量
信号および上記基準温度を出力する温度調節計と、上記
各部温度検出器により検出された各部の温度を示す各部
温度信号と上記基準温度信号とを受けて、上記各部の温
度と上記基準温度の上下に予め設定された幅を有する温
度領域の上限温度、下限温度との各偏差を上記各部毎に
示す偏差信号を出力する温度偏差演算器と、この偏差信
号を受けて、予め定めたバーナの複数の燃焼パターンの
中から上記各偏差の値に対応する燃焼パターンの種類を
設定時間毎に選択し、この選択された種類を示すパター
ン信号を出力するシーケンサと、このパターン信号と上
記燃焼量信号とを受けて、このパターン信号に対応する
燃焼パターンと上記燃焼量信号が示す燃焼量に基づき上
記各部温度検出器に対応する位置に設けられた複数のバ
ーナの各燃焼調節部に対して燃料流量と空気流量を調節
する信号を出力するバーナ操作部と、から形成したこと
を特徴とするバーナ燃焼制御装置。1. A reference temperature detector for detecting a typical temperature in a furnace, a plurality of temperature detectors for detecting respective temperatures of respective parts in the furnace, and a reference detected by the reference temperature detector. A temperature controller that receives a reference temperature signal indicating the temperature and outputs the combustion amount signal corresponding to the value of the deviation between this reference temperature and the preset temperature and the reference temperature, and the temperature detectors that detect the temperature Receiving each part temperature signal indicating the temperature of each part and the reference temperature signal, each deviation between the upper limit temperature and the lower limit temperature of the temperature of each part and a temperature region having a preset width above and below the reference temperature A temperature deviation calculator that outputs a deviation signal indicating each of the above parts, and a type of combustion pattern corresponding to the value of each deviation among a plurality of combustion patterns of a predetermined burner is set by receiving the deviation signal. Select every hour A sequencer which outputs a pattern signal indicating the selected type, receives the pattern signal and the combustion amount signal, and outputs the combustion pattern corresponding to the pattern signal and the combustion amount indicated by the combustion amount signal. Burner combustion control, characterized in that it is formed from a burner operation section that outputs a signal for adjusting the fuel flow rate and the air flow rate to each combustion control section of a plurality of burners provided at a position corresponding to the temperature detector. apparatus.
温度よりも上記各部の温度が高いことを上記各偏差が示
している場合には、上記燃焼量に対応する制御量である
上記燃料流と空気流量の値を現状に比してより小さくす
る燃焼パターンを選択する一方、上記温度領域の下限温
度よりも上記各部の温度が低いことを上記各偏差が示し
ている場合には、上記燃焼量に対応する制御量である上
記燃料流量と空気流量の値を現状に比してより大きくす
る燃焼パターンを選択するように形成したことを特徴と
する請求項１に記載のバーナ燃焼制御装置。2. The sequencer, when the deviations indicate that the temperature of each part is higher than the upper limit temperature of the temperature range, the fuel flow that is a control amount corresponding to the combustion amount While selecting a combustion pattern that makes the value of the air flow rate smaller than the current state, when the above deviations indicate that the temperature of each part is lower than the lower limit temperature of the above temperature range, the above combustion amount 2. The burner combustion control device according to claim 1, wherein the burner combustion control device is formed so as to select a combustion pattern that makes the values of the fuel flow rate and the air flow rate, which are control amounts corresponding to the above, larger than the current values.
更可能としたことを特徴とする請求項１または２に記載
のバーナ燃焼制御装置。3. The burner combustion control device according to claim 1, wherein the width of the temperature region and the set time can be changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6438696A JP2901915B2 (en) | 1996-03-21 | 1996-03-21 | Burner combustion control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6438696A JP2901915B2 (en) | 1996-03-21 | 1996-03-21 | Burner combustion control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09257372A true JPH09257372A (en) | 1997-10-03 |
| JP2901915B2 JP2901915B2 (en) | 1999-06-07 |
Family
ID=13256838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6438696A Expired - Fee Related JP2901915B2 (en) | 1996-03-21 | 1996-03-21 | Burner combustion control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2901915B2 (en) |
Cited By (5)
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|---|---|---|---|---|
| EP2375157A1 (en) | 2010-03-30 | 2011-10-12 | Yamatake Corporation | Combustion controlling device |
| WO2013099483A1 (en) * | 2011-12-27 | 2013-07-04 | 日本碍子株式会社 | Combustion apparatus, and heating furnace using same |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2375157A1 (en) | 2010-03-30 | 2011-10-12 | Yamatake Corporation | Combustion controlling device |
| JP2011208879A (en) * | 2010-03-30 | 2011-10-20 | Yamatake Corp | Combustion control device |
| WO2013099483A1 (en) * | 2011-12-27 | 2013-07-04 | 日本碍子株式会社 | Combustion apparatus, and heating furnace using same |
| CN104011466A (en) * | 2011-12-27 | 2014-08-27 | 日本碍子株式会社 | Combustion apparatus, and heating furnace using same |
| JPWO2013099483A1 (en) * | 2011-12-27 | 2015-04-30 | 日本碍子株式会社 | Combustion apparatus and heating furnace using the same |
| CN104011466B (en) * | 2011-12-27 | 2016-08-17 | 日本碍子株式会社 | Burner and use its heating furnace |
| US10551125B2 (en) | 2011-12-27 | 2020-02-04 | Ngk Insulators, Ltd. | Combustion apparatus, and heating furnace using same |
| CN104755867A (en) * | 2013-10-21 | 2015-07-01 | 金元模 | Apparatus for controlling combustion of furnace with oxygen lancing |
| CN104755867B (en) * | 2013-10-21 | 2016-05-25 | 金元模 | The oxygen blast combustion control device of heating furnace |
| JP6062092B1 (en) * | 2016-04-18 | 2017-01-18 | 新日鉄住金エンジニアリング株式会社 | Industrial furnace operating method, industrial furnace controller, and industrial furnace system |
| JP2017194189A (en) * | 2016-04-18 | 2017-10-26 | 新日鉄住金エンジニアリング株式会社 | Operational method for industrial furnace, controller for industrial furnace and industrial furnace system |
| KR101962958B1 (en) * | 2017-11-07 | 2019-03-28 | 한국에너지기술연구원 | IoT based Heat treatment furnace system with module |
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