JPH035021U - - Google Patents
Info
- Publication number
- JPH035021U JPH035021U JP5925689U JP5925689U JPH035021U JP H035021 U JPH035021 U JP H035021U JP 5925689 U JP5925689 U JP 5925689U JP 5925689 U JP5925689 U JP 5925689U JP H035021 U JPH035021 U JP H035021U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- fuel
- secondary fuel
- combustion device
- catalytic
- 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
- 239000000446 fuel Substances 0.000 claims description 29
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 15
- 239000003054 catalyst Substances 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Description
【図面の簡単な説明】
第１図は本考案の触媒燃焼装置の一実施例を示
す概略的構成図、第２図は第１図における触媒バ
ーナを示す断面図、第３図は本考案の触媒燃焼装
置によるＮＯＸ発生量の一例を示す図、第４図は
本考案の一実施例によるガス流れ方向温度分布を
示す図、第５図は本考案の触媒燃焼装置の他の実
施例を示す断面図、第６図は第５図のＡ−Ａ線断
面図、第７図、第８図、第９図、第１０図及び第
１１図は従来の触媒燃焼式バーナを示す概略的構
成図である。
１……改質器本体、３……原料ノズル、４……
仕切室、５……反応管外管、６……反応管内管、
７……改質ガス仕切室、８……改質ガスノズル、
９……改質ガス、１０……一次燃料、１１……一
次燃料管、１２……二次燃料、１３……二次燃料
管、１４……空気、１５……空気管、１６……触
媒バーナ、１７……燃焼触媒、２０……一次燃料
ノズル、２１……二次燃料ノズル、２２……一次
燃料噴出ノズル、２３……二次燃料噴出ノズル、
２４……混合分散器、２５……整流器、３１……
空気ノズル、３２……保炎板、３３，３４，３５
……温度検出器、３６，３７，３８，３９……流
量調節弁、４０……空気予熱器、４１……断熱材
。[Brief Description of the Drawings] Fig. 1 is a schematic configuration diagram showing an embodiment of the catalytic combustion device of the present invention, Fig. 2 is a sectional view showing the catalytic burner in Fig. 1, and Fig. 3 is a schematic diagram showing an embodiment of the catalytic combustion device of the present invention. FIG. 4 is a diagram showing an example of the amount of NOx generated by a catalytic combustion device, FIG. 4 is a diagram showing a temperature distribution in the gas flow direction according to an embodiment of the present invention, and FIG. 5 is a diagram showing another embodiment of the catalytic combustion device of the present invention. 6 is a sectional view taken along the line A-A in FIG. 5, and FIGS. 7, 8, 9, 10, and 11 are schematic configuration diagrams showing a conventional catalytic combustion burner. It is. 1... Reformer main body, 3... Raw material nozzle, 4...
Partition chamber, 5... reaction tube outer tube, 6... reaction tube inner tube,
7...Reformed gas partition, 8...Reformed gas nozzle,
9...Reformed gas, 10...Primary fuel, 11...Primary fuel pipe, 12...Secondary fuel, 13...Secondary fuel pipe, 14...Air, 15...Air pipe, 16...Catalyst Burner, 17... Combustion catalyst, 20... Primary fuel nozzle, 21... Secondary fuel nozzle, 22... Primary fuel injection nozzle, 23... Secondary fuel injection nozzle,
24... Mixing disperser, 25... Rectifier, 31...
Air nozzle, 32...Flame holding plate, 33, 34, 35
... Temperature detector, 36, 37, 38, 39 ... Flow control valve, 40 ... Air preheater, 41 ... Heat insulation material.
Claims (1)
２次燃料を分割供給して燃料を燃焼させる触媒燃
焼装置において、前記２次燃料が供給される２次
燃料ノズルを前記燃焼触媒を貫通した状態で配置
すると共に前記１次燃料が供給される１次燃料ノ
ズルを前記燃焼触媒が設置された領域と連通させ
、前記２次燃料ノズル先端部の噴出ノズルを前記
燃焼触媒の出口側に配置し、該噴出ノズルのノズ
ル形状を噴出ノズルからの二次燃料が前記燃焼触
媒の出口側に噴出するように構成したことを特徴
とする触媒燃焼装置。 (2) 前記２次燃料ノズル先端部の噴出ノズル近
傍に保炎板を設置したことを特徴とする請求項(1
)記載の触媒燃焼装置。 (3) 前記２次燃料ノズルの外周面と前記燃焼触
媒との間に断熱材層を介在させたことを特徴とす
る請求項(1)記載の触媒燃焼装置。 (4) 前記燃焼触媒入口のガス温度を検出する第
１の温度検出器を設置し、該検出器からの信号に
基づいて前記燃焼触媒が設置された領域に導入さ
れる空気を予熱する空気予熱器の加熱量を制御す
るようにしたことを特徴とする請求項(1)記載の
触媒燃焼装置。 (5) 前記燃焼触媒出口のガス温度を検出する第
２の温度検出器を設置し、該検出器からの信号に
基づいて前記１次燃料ノズルに導入される前記１
次燃料の流量を制御するようにしたことを特徴と
する請求項(1)記載の触媒燃焼装置。 (6) 前記触媒バーナが設置された炉内の温度又
は前記触媒バーナにより加熱される被加熱体の温
度を検出する第３の温度検出器を設置し、該検出
器からの信号に基づいて前記２次燃料ノズルに導
入される２次燃料及び２次空気の流量を制御する
ようにしたことを特徴とする請求項(1)記載の触
媒燃焼装置。 (7) 前記１次燃料ノズルにガス状燃料を供給す
る配管を接続し、前記２次燃料ノズルに油状燃料
を供給する配管を接続したことを特徴とする請求
項(1)記載の触媒燃焼装置。 (8) 前記保炎板は、その傾斜角が前記２次燃料
ノズルの径方向に対して２５〜９０°であること
を特徴とする請求項(2)記載の触媒燃焼装置。[Claims for Utility Model Registration] (1) In a catalytic combustion device that combusts fuel by separately supplying primary fuel and secondary fuel into a burner having a combustion catalyst, secondary fuel to which the secondary fuel is supplied. A nozzle is disposed so as to pass through the combustion catalyst, and the primary fuel nozzle to which the primary fuel is supplied is communicated with the area where the combustion catalyst is installed, and the ejection nozzle at the tip of the secondary fuel nozzle is connected to the area where the combustion catalyst is installed. A catalytic combustion device, characterized in that the ejection nozzle is disposed on the outlet side of the combustion catalyst, and the nozzle shape of the ejection nozzle is configured such that secondary fuel from the ejection nozzle is ejected onto the exit side of the combustion catalyst. (2) Claim (1) characterized in that a flame holding plate is installed near the jet nozzle at the tip of the secondary fuel nozzle.
) The catalytic combustion device described in ). (3) The catalytic combustion device according to claim (1), characterized in that a heat insulating layer is interposed between the outer peripheral surface of the secondary fuel nozzle and the combustion catalyst. (4) Installing a first temperature detector that detects the gas temperature at the inlet of the combustion catalyst, and preheating air to preheat the air introduced into the area where the combustion catalyst is installed based on a signal from the detector. 2. The catalytic combustion device according to claim 1, wherein the amount of heating of the catalytic combustion device is controlled. (5) A second temperature detector is installed to detect the gas temperature at the outlet of the combustion catalyst, and the temperature of the first fuel introduced into the primary fuel nozzle is determined based on a signal from the detector.
2. The catalytic combustion device according to claim 1, wherein the flow rate of the secondary fuel is controlled. (6) A third temperature detector is installed to detect the temperature inside the furnace in which the catalytic burner is installed or the temperature of the heated object heated by the catalytic burner, and the 2. The catalytic combustion device according to claim 1, wherein the flow rate of the secondary fuel and secondary air introduced into the secondary fuel nozzle is controlled. (7) The catalytic combustion device according to claim (1), wherein a pipe for supplying gaseous fuel is connected to the primary fuel nozzle, and a pipe for supplying oily fuel is connected to the secondary fuel nozzle. . (8) The catalytic combustion device according to claim (2), wherein the flame stabilizing plate has an inclination angle of 25 to 90 degrees with respect to the radial direction of the secondary fuel nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989059256U JP2565886Y2 (en) | 1989-05-22 | 1989-05-22 | Catalytic combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989059256U JP2565886Y2 (en) | 1989-05-22 | 1989-05-22 | Catalytic combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH035021U true JPH035021U (en) | 1991-01-18 |
| JP2565886Y2 JP2565886Y2 (en) | 1998-03-25 |
Family
ID=31585590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989059256U Expired - Lifetime JP2565886Y2 (en) | 1989-05-22 | 1989-05-22 | Catalytic combustion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2565886Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100815435B1 (en) * | 2006-10-16 | 2008-03-20 | 유한회사 익스 | Boundary stone unevenness making system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154748U (en) * | 1981-03-25 | 1982-09-29 | ||
| JPS58148409U (en) * | 1982-03-31 | 1983-10-05 | 住友金属工業株式会社 | Burner device |
| JPS60122807A (en) * | 1983-12-07 | 1985-07-01 | Toshiba Corp | Low nitrogene oxide combustion |
| JPS6229521U (en) * | 1985-08-02 | 1987-02-23 | ||
| JPS62196519A (en) * | 1986-02-24 | 1987-08-29 | Babcock Hitachi Kk | Catalytic burner |
| JPS63306303A (en) * | 1987-06-04 | 1988-12-14 | Mitsubishi Heavy Ind Ltd | Combustion method |
-
1989
- 1989-05-22 JP JP1989059256U patent/JP2565886Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154748U (en) * | 1981-03-25 | 1982-09-29 | ||
| JPS58148409U (en) * | 1982-03-31 | 1983-10-05 | 住友金属工業株式会社 | Burner device |
| JPS60122807A (en) * | 1983-12-07 | 1985-07-01 | Toshiba Corp | Low nitrogene oxide combustion |
| JPS6229521U (en) * | 1985-08-02 | 1987-02-23 | ||
| JPS62196519A (en) * | 1986-02-24 | 1987-08-29 | Babcock Hitachi Kk | Catalytic burner |
| JPS63306303A (en) * | 1987-06-04 | 1988-12-14 | Mitsubishi Heavy Ind Ltd | Combustion method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100815435B1 (en) * | 2006-10-16 | 2008-03-20 | 유한회사 익스 | Boundary stone unevenness making system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2565886Y2 (en) | 1998-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |