JPH0220590Y2 - - Google Patents
Info
- Publication number
- JPH0220590Y2 JPH0220590Y2 JP1985095582U JP9558285U JPH0220590Y2 JP H0220590 Y2 JPH0220590 Y2 JP H0220590Y2 JP 1985095582 U JP1985095582 U JP 1985095582U JP 9558285 U JP9558285 U JP 9558285U JP H0220590 Y2 JPH0220590 Y2 JP H0220590Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- burner
- shielding plate
- nozzle
- fuel 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.)
- Expired
Links
- 239000007789 gas Substances 0.000 claims description 40
- 239000002737 fuel gas Substances 0.000 claims description 11
- 239000000567 combustion gas Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は異なる発熱量（カロリー）の燃料を燃
焼するバーナに係り、特に銑鋼一貫製造工程で発
生する、コークス炉ガス、転炉ガス、高炉ガス等
大量に生じてかつ発熱量が大幅に異なるこれ等燃
料ガスを良好な制御性と燃焼効率で燃焼するバー
ナに関するものである。[Detailed description of the invention] [Industrial application field] The invention relates to a burner that burns fuels with different calorific values (calories), and is particularly applicable to coke oven gas, converter gas, The present invention relates to a burner that burns blast furnace gas and other fuel gases that are produced in large quantities and have significantly different calorific values with good controllability and combustion efficiency.
［従来の技術］
本考案が対象とするような大量に生じ、かつ発
熱量が大幅に異なる燃料を燃焼するバーナは存在
も提案も見ないが、カロリーの異なる燃料をその
燃料の流通路内で、ガス流通孔と補助ガス流通孔
をスクリユードライバーによる操作で前後進する
閉塞子によつて、カロリーの高い燃料例えば天然
ガスのときは、ガス流通孔を開き、補助ガス流通
孔を閉じ、又カロリーの低い燃料例えば都市ガス
のときは、両ガス流通孔を開いてミキシングチユ
ーブに各々の燃料ガスを供給する小規模バーナが
特開昭48−41336号公報で提案されている。[Prior Art] There is no burner that exists or has been proposed that burns fuels that are produced in large quantities and have significantly different calorific values, as the subject of the present invention, but it is possible to burn fuels with different calorific values within the fuel flow path. When using a high-calorie fuel such as natural gas, the gas distribution hole and the auxiliary gas distribution hole are opened and the auxiliary gas distribution hole is closed, or When using a low-calorie fuel such as city gas, Japanese Patent Laid-Open No. 48-41336 proposes a small-scale burner in which both gas flow holes are opened to supply each fuel gas to a mixing tube.
［考案が解決しようとする課題］
本考案の如く、カロリーの異なる大量の燃料を
その発生状況と、消費状況の関係から、随時切換
えて必要な消費と燃焼を継続するには前記した従
来の技術の提案では操作性及び精密に問題が残
る。[Problem to be solved by the invention] The above-mentioned conventional technology is required to continuously switch a large amount of fuel with different calorific values depending on the generation situation and consumption situation to continue the necessary consumption and combustion as in the invention. However, there are still problems with operability and precision in this proposal.
本考案はこの問題点を解決し、銑鋼一貫製鉄プ
ロセスの総合エネルギー効率の向上を妨げていた
問題をも解決するものである。 The present invention solves this problem and also solves the problems that have been hindering the improvement of the overall energy efficiency of the integrated pig steel manufacturing process.
［課題を解決するための手段］
本考案は上記した問題点を解消するものであり
その要旨は中央部に、２重エアーパイプ１０ａ，
１０ｂを設け、内側のエアーパイプ１０ａ内を燃
焼ガスのパイロツト・トーチ５０と点火プラグ５
０ａを配置したパイロツトバーナ部とし、内側と
外側のエアーパイプ１０ａ，１０ｂ間を燃料ガス
ノズル１１を配置した種火用バーナ部とし、外側
エアーパイプ１０ｂのこの周囲に低・高各カロリ
ーガス系統にダクトを介して連設した燃料ガスケ
ーシング８と複数のガスノズル１とその外側に開
閉駆動式ダンパー５を後部に内設したエアー用バ
ーナスロート２を設けたバーナにおいて、前記燃
料ガスケーシング８と各ガスノズル１と連通部に
回転可能に遮蔽板を設けて連通部の開孔面積を遮
蔽板の回転で調整可能にし、該遮蔽板を回転させ
る駆動装置と該遮蔽板を所定開度の位置で保持す
る装置を設けたことを特徴とするカロリーの異な
るガスを燃焼するバーナにある。[Means for Solving the Problems] The present invention solves the above-mentioned problems, and its gist is that a double air pipe 10a,
A combustion gas pilot torch 50 and a spark plug 5 are provided inside the air pipe 10a.
A pilot burner section is provided with a fuel gas nozzle 11 between the inner and outer air pipes 10a and 10b, and ducts are provided around the outer air pipe 10b for low and high calorie gas systems. In this burner, a fuel gas casing 8 and a plurality of gas nozzles 1 are connected to each other via a fuel gas casing 8, a plurality of gas nozzles 1, and an air burner throat 2 having an opening/closing drive type damper 5 installed in the rear outside thereof. A rotatable shielding plate is provided in the communicating part so that the aperture area of the communicating part can be adjusted by rotating the shielding plate, a drive device for rotating the shielding plate, and a device for holding the shielding plate at a predetermined opening position. This burner burns gases with different calories.
［作用］
本考案は低・高カロリーガス各ノズルの入口部
において回動遮蔽板により各ノズル入口開孔面積
を遠隔調整しかつロツク可能に構成しているの
で、カロリーが異なり、しかも発生状況、消費状
況に多大の変動が生じてもこれらに応じて前記遮
蔽板によつて各燃料ガスノズルへの連通部開孔面
積を調整設定して常にバーナ前方の燃料部が適正
な所定域になる吐出流速にてバーナ先部および燃
焼部周囲の耐火壁、熱交チユーブ等の焼損を防止
する。例えば、カロリー700kcal／Ｎm3高炉ガス
も又カロリー2000kcal／Ｎm3程度の転炉ガスも一
つのバーナで共用して適性燃焼ができる。[Function] The present invention is configured so that the aperture area of each nozzle can be remotely adjusted and locked using a rotary shielding plate at the inlet of each nozzle for low-calorie and high-calorie gases. Even if there are large fluctuations in the consumption situation, the opening area of the communicating part to each fuel gas nozzle is adjusted and set by the shielding plate according to these changes, so that the discharge flow rate always keeps the fuel part in front of the burner in an appropriate predetermined range. to prevent burnout of the fireproof wall, heat exchanger tube, etc. around the burner tip and combustion section. For example, blast furnace gas with a calorie of 700 kcal/Nm 3 and converter gas with a calorie of about 2000 kcal/Nm 3 can be used in common in one burner for appropriate combustion.
［実施例］
以下に本考案を図に示す一実施例をもとに詳細
に説明する。[Example] The present invention will be described in detail below based on an example shown in the drawings.
第１図は実施例バーナの側断面図、第２図は第
１図のＡ−Ａ矢視図、第３図は第１図のＢ−Ｂ矢
視図、第４図は第１図のＣ−Ｃ矢視図で図示のノ
ズル１の開度は低カロリーガス用で全開状態を示
す高カロリーガスを燃焼するときは、左半分が閉
塞される。 Figure 1 is a side sectional view of the burner of the embodiment, Figure 2 is a view taken along the line A-A in Figure 1, Figure 3 is a view taken along line B-B in Figure 1, and Figure 4 is a view taken along the line B-B in Figure 1. The opening degree of the nozzle 1 shown in the C-C arrow view is for low calorie gas and is fully open when burning high calorie gas, the left half is closed.
各図において、２重エアーパイプ１０ａ，１０
ｂの内側のエアーパイプ１０ａの先部をパイロツ
トバーナ部とし、内側と外側のエアーパイプ１０
ａ，１０ｂ間の先部を種火用バーナ部としてあ
る。１は低カロリーガス（本例では700kcal／Ｎ
m3）と高カロリーガス（本例では転炉ガス
2000kcal／Ｎm3）の両用ノズル、１１は種火用バ
ーナ部の種火用燃料ガス（本例ではコークス炉ガ
ス）ノズル、３６はパイロツトバーナ部のパイロ
ツト・トーチ５０（本例ではコークス炉ガス燃
焼、点火プラグ５０ａによる電気点火）にコーク
ス炉ガスを供給するパイプ、４２は種火用燃料ガ
スノズル１１にガスを供給する管路の入口に設け
たボール弁、２０は低・高各カロリーガスの入口
ダクトで図示していない各ガス源と遮蔽弁を介し
て接続している。１２は低・高各カロリーガス用
バーナ１の入口に設けた遮蔽板、１３は該遮蔽板
１２を回動するカム、１４は該カム１３を駆動す
るシヤフト、３１は前記遮蔽板１２の開度固定板
でノツクピン方式で所定開度で遮蔽板１２の開度
がロツク可能となつている。３３は前記シヤフト
１４を操作するハンドルである。尚、２２はバー
ナ１のクリーニング用スチームのノズルである。
又５１は燃焼用エアー用ダンパー５の操作用モー
タで、ガス種類と所要燃焼空気量の設定により、
自動的にダンパー５を必要開度位置に駆動する。 In each figure, double air pipes 10a, 10
The tip of the inner air pipe 10a of b is used as a pilot burner part, and the inner and outer air pipes 10
The tip between a and 10b is used as a pilot burner part. 1 is low calorie gas (700kcal/N in this example)
m 3 ) and high-calorie gas (in this example, converter gas
2000 kcal/Nm 3 ) dual-purpose nozzle, 11 is a pilot fuel gas (in this example, coke oven gas) nozzle in the pilot burner section, and 36 is a pilot torch 50 (in this example, coke oven gas combustion) in the pilot burner section. , electric ignition by the spark plug 50a); 42 is a ball valve provided at the entrance of the pipe that supplies gas to the pilot fuel gas nozzle 11; 20 is an inlet for low and high calorie gases; It is connected to each gas source (not shown) via a duct via a shutoff valve. 12 is a shielding plate provided at the inlet of each burner 1 for low and high calorie gas, 13 is a cam that rotates the shielding plate 12, 14 is a shaft that drives the cam 13, and 31 is the opening degree of the shielding plate 12. The opening degree of the shielding plate 12 can be locked at a predetermined opening degree using a knock pin method using a fixed plate. 33 is a handle for operating the shaft 14. Note that 22 is a cleaning steam nozzle for the burner 1.
Further, 51 is a motor for operating the combustion air damper 5, which can be controlled by setting the type of gas and the required amount of combustion air.
The damper 5 is automatically driven to the required opening position.
尚上記例は、遮蔽板１２を手動操作する例につ
いて述べたが、これに限ることなく、圧力計５２
と同様に例えば入口ダクト２０にガス分析計を設
け、この出力にもとづいて、ガスの発熱カロリー
を算出する装置を設け、この出力によつてエアー
ダンパー５の操作モータ５１と同様に回動遮蔽板
１２を自動的に回動駆動する電動装置を設けて構
成してもよく、この場合は低・高カロリーガスを
混合して供給を受ける場合の本考案のバーナとし
てすぐれた作用効果を発揮する。図中２はバナス
ロート、８はガスケーシング、４１，４３はエア
ー入口ダンパーを示す。 Although the above example describes an example in which the shielding plate 12 is manually operated, the pressure gauge 52 is not limited to this.
Similarly, for example, a gas analyzer is provided in the inlet duct 20, and a device is provided that calculates the calorific value of the gas based on the output of the gas analyzer. 12 may be provided with an electric device for automatically rotating and driving the burner 12. In this case, the burner of the present invention exhibits an excellent effect when receiving a mixture of low and high calorie gases. In the figure, 2 indicates a vanas throat, 8 indicates a gas casing, and 41 and 43 indicate an air inlet damper.
［考案の効果］
本考案は一つのノズルの燃料供給用面積を遠隔
で調整可能に構成しかつ所定面積開度で前記面積
調整用遮蔽板をロツク可能としたので、例えば銑
鋼一貫製造工程等で発生する大量でかつ大幅なカ
ロリー差を持つ高炉ガス、転炉ガスが発生状況、
消費状況に多大の変動を生じても極めて円滑、的
確に燃焼制御を継続でき、該銑鋼一貫製造工程の
エネルギー効率を格段に向上する等もたらす効果
は大きい。[Effects of the invention] The present invention is configured so that the fuel supply area of one nozzle can be adjusted remotely, and the shielding plate for adjusting the area can be locked at a predetermined area opening, so that it can be used, for example, in an integrated manufacturing process of pig steel. Blast furnace gas and converter gas are generated in large quantities and have a large caloric difference,
Combustion control can be continued extremely smoothly and accurately even if there are large fluctuations in the consumption situation, and the effects of this are significant, such as significantly improving the energy efficiency of the integrated pig steel manufacturing process.
第１図は本考案の一実施例バーナの側断面図、
第２図は第１図のＡ−Ａ矢視図、第３図は第１図
のＢ−Ｂ矢視図、第４図は第１図のＣ−Ｃ矢視図
である。
１……LOGおよびBFGノズル、２……バーナ
スロート、５……ダンパー、８……ガスケーシン
グ、１０ａ……２重エアーパイプ、１１……
COGノズル、１２……遮蔽板、１３……カム、
１４……伝導シヤフト、２０……入口ダクト、２
２……スチームパイプ、３１……開度固定板、３
３……ハンドル、３６……COGパイプ、４１，
４３……エアー入口ダンパー、４２……COG接
続フランジ、５０……パイロツト・トーチ、５１
……モータ、５２……圧力計。
FIG. 1 is a side sectional view of a burner according to an embodiment of the present invention.
2 is a view taken along the line A-A in FIG. 1, FIG. 3 is a view taken along the line B-B in FIG. 1, and FIG. 4 is a view taken along the line CC shown in FIG. 1... LOG and BFG nozzle, 2... Burner throat, 5... Damper, 8... Gas casing, 10a... Double air pipe, 11...
COG nozzle, 12...shielding plate, 13...cam,
14...Conduction shaft, 20...Inlet duct, 2
2...Steam pipe, 31...Opening fixing plate, 3
3...Handle, 36...COG pipe, 41,
43... Air inlet damper, 42... COG connection flange, 50... Pilot torch, 51
...Motor, 52...Pressure gauge.
Claims (1)
設け、内側のエアーパイプ１０ａ内を燃焼ガスの
パイロツト・トーチ５０と点火プラグ５０ａを配
置したパイロツトバーナ部とし、内側と外側のエ
アーパイプ１０ａ，１０ｂ間を燃料ガスノズル１
１を配置した種火用バーナ部とし、外側エアーパ
イプ１０ｂのこの周囲に低・高各カロリーガス系
統にダクトを介して連設した燃料ガスケーシング
８と複数のガスノズル１とその外側に開閉駆動式
ダンパー５を後部に内設したエアー用バーナスロ
ート２を設けたバーナにおいて、前記燃料ガスケ
ーシング８と各ガスノズル１と連通部に回転可能
に遮蔽板を設けて連通部の開孔面積を遮蔽板の回
転で調整可能にし、該遮蔽板を回転させる駆動装
置と該遮蔽板を所定開度の位置で保持する装置を
設けたことを特徴とするカロリーの異なるガスを
燃焼するバーナ。 Double air pipes 10a and 10b are provided in the center, and the inside of the inner air pipe 10a is used as a pilot burner section in which a combustion gas pilot torch 50 and a spark plug 50a are arranged, and between the inner and outer air pipes 10a and 10b. The fuel gas nozzle 1
A fuel gas casing 8 and a plurality of gas nozzles 1 are connected to the low and high calorie gas systems via ducts around the outer air pipe 10b, and a plurality of gas nozzles 1 are arranged on the outside thereof. In a burner equipped with an air burner throat 2 with a damper 5 installed inside at the rear, a rotatable shielding plate is provided at a communicating portion between the fuel gas casing 8 and each gas nozzle 1, and the opening area of the communicating portion is adjusted by adjusting the opening area of the shielding plate. 1. A burner for burning gases having different calorific values, the burner being rotatably adjustable and comprising a driving device for rotating the shielding plate and a device for holding the shielding plate at a predetermined opening position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985095582U JPH0220590Y2 (en) | 1985-06-24 | 1985-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985095582U JPH0220590Y2 (en) | 1985-06-24 | 1985-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS628525U JPS628525U (en) | 1987-01-19 |
| JPH0220590Y2 true JPH0220590Y2 (en) | 1990-06-05 |
Family
ID=30960285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985095582U Expired JPH0220590Y2 (en) | 1985-06-24 | 1985-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220590Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01308958A (en) * | 1988-06-07 | 1989-12-13 | Daido Steel Co Ltd | Internal defect detection method and apparatus for bar-shaped metal material |
| KR101140297B1 (en) | 2011-10-05 | 2012-05-02 | 김도균 | Orifice of dust coal feeder pipe for pulverizer |
-
1985
- 1985-06-24 JP JP1985095582U patent/JPH0220590Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS628525U (en) | 1987-01-19 |
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