JP2762194B2 - Catalytic combustion device - Google Patents
Catalytic combustion deviceInfo
- Publication number
- JP2762194B2 JP2762194B2 JP4191745A JP19174592A JP2762194B2 JP 2762194 B2 JP2762194 B2 JP 2762194B2 JP 4191745 A JP4191745 A JP 4191745A JP 19174592 A JP19174592 A JP 19174592A JP 2762194 B2 JP2762194 B2 JP 2762194B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- combustion
- catalytic combustion
- fuel gas
- 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 - Fee Related
Links
Landscapes
- Gas Burners (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は可燃性ガスを予熱した触
媒に通流接触させ、発生する酸化熱を熱源とするバーナ
等の触媒燃焼装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a catalytic combustion apparatus such as a burner in which a combustible gas is brought into flowing contact with a preheated catalyst, and the generated heat of oxidation is used as a heat source.
【０００２】[0002]
【従来の技術】この種の燃焼装置において用いる燃料ガ
スはその種類によって燃焼開始温度が異なっているた
め、当初から安定した燃焼を開始させるには触媒自体を
燃焼開始温度に予熱しておく必要がある。2. Description of the Related Art Since the combustion start temperature of fuel gas used in this type of combustion apparatus varies depending on the type, it is necessary to preheat the catalyst itself to the combustion start temperature in order to start stable combustion from the beginning. is there.
【０００３】表１は活性が高いとされている白金系触媒
を用いた時の各種可燃性ガスの燃焼開始温度を示してあ
る。[0003] Table 1 shows the combustion start temperatures of various combustible gases when a platinum-based catalyst which is considered to have high activity is used.
【０００４】 [0004]
【０００５】表１から明らかな如く、ガスの種類によっ
て燃焼開始温度に大きな差が存することが解る。As is clear from Table 1, it can be seen that there is a large difference in the combustion start temperature depending on the type of gas.
【０００６】図１は従来の触媒燃焼バーナを示す模式的
縦断面図であり、図中１は燃焼筒を示している。燃焼筒
１はステンレス製で筒形に形成され、逆円錐台形に形成
された基端部には燃料供給管２の一端が連結され、その
他端は途中にバルブ2aを介在させて燃料タンク３に連結
されている。FIG. 1 is a schematic longitudinal sectional view showing a conventional catalytic combustion burner. In FIG. 1, reference numeral 1 denotes a combustion cylinder. The combustion tube 1 is made of stainless steel and formed in a cylindrical shape. One end of a fuel supply pipe 2 is connected to a base end formed in an inverted truncated cone shape, and the other end is connected to a fuel tank 3 through a valve 2a in the middle. Are linked.
【０００７】また燃焼筒１の先端部には上，下方向に多
数の孔を設けてあるハニカム構造のPt製の触媒４が装着
されている。そしてこの触媒４を装着してある部分の燃
焼筒１の周壁外周には触媒４を取り囲む態様で複数の電
気ヒータ５を装着し、夫々電源６に接続してある。At the tip of the combustion cylinder 1, a catalyst 4 made of Pt having a honeycomb structure and having a large number of holes formed upward and downward is mounted. A plurality of electric heaters 5 are mounted on the outer periphery of the peripheral wall of the combustion cylinder 1 where the catalyst 4 is mounted so as to surround the catalyst 4, and each of the electric heaters 5 is connected to a power source 6.
【０００８】而してこのような従来のバーナにあって
は、電源６から各電気ヒータ５に通電して触媒４を使用
した時の燃料ガスの燃焼開始温度に迄予熱した後、バル
ブ2aを開放して燃料ガスを燃焼筒１内に供給する。供給
された燃料ガスは触媒４を通過する過程でこれと接触
し、燃焼が開始される。In such a conventional burner, the electric power is supplied from the power source 6 to each electric heater 5 to preheat the fuel gas to the combustion start temperature when the catalyst 4 is used, and then the valve 2a is opened. Open to supply fuel gas into the combustion cylinder 1. The supplied fuel gas comes in contact with the catalyst 4 in the process of passing through it, and combustion is started.
【０００９】[0009]
【発明が解決しようとする課題】ところでこのような従
来のバーナにあっては、電気ヒータ５，電源６で構成さ
れた予熱装置を設けるためバーナ全体の構成が複雑にな
るという問題があった。本発明はかかる事情に鑑みなさ
れたものであって、その目的とするところは電源，電気
ヒータ等の予熱装置を要せず、全体の構成の簡略化を可
能とした触媒燃焼装置を提供するにある。However, such a conventional burner has a problem in that the entire structure of the burner is complicated because a preheating device including an electric heater 5 and a power supply 6 is provided. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a catalytic combustion device that does not require a preheating device such as a power supply and an electric heater and that can simplify the entire configuration. is there.
【００１０】[0010]
【課題を解決するための手段】本発明に係る触媒燃焼装
置は、燃料ガスの燃焼開始温度に迄予熱した接触燃焼用
の触媒に燃料ガスを通流接触させて燃焼させるようにし
た触媒燃焼装置において、前記触媒を燃料ガスの燃焼開
始温度に迄加熱すべくメタノールを前記触媒に接触さ
せ、その酸化熱にて触媒を予熱し、予熱が終了するとメ
タノールの供給を停止する手段を備えたことを特徴とす
る。According to the present invention, there is provided a catalytic combustion apparatus in which a fuel gas is brought into contact with a catalytic combustion catalyst preheated to a combustion start temperature of the fuel gas and burned. In the above, methanol is brought into contact with the catalyst so as to heat the catalyst to the combustion start temperature of the fuel gas, and the catalyst is preheated by the heat of oxidation thereof.
It is characterized in that a means for stopping the supply of the ethanol is provided .
【００１１】[0011]
【作用】本発明にあっては、メタノールを触媒に通流さ
せることで、燃料ガスが酸化され、その酸化熱にて触媒
自体の温度が高められ、主要燃料ガスの燃焼開始温度に
迄予熱することが可能となり、また予熱が終了するとメ
タノールの供給を停止する。According to the present invention, the fuel gas is oxidized by flowing methanol through the catalyst, the temperature of the catalyst itself is raised by the heat of oxidation, and the fuel gas is preheated to the combustion start temperature of the main fuel gas. eyes that can and Do Ri, also preheating is completed
Stop the supply of ethanol.
【００１２】[0012]
【実施例】以下本発明をその実施例を示す図面に基づき
具体的に説明する。図２は本発明に係る触媒燃焼装置を
バーナに適用した構成を示す模式的縦断面図であり、図
中１は燃焼筒を示している。燃焼筒１はステンレス製で
筒形に形成されており、逆円錐形に形成されている基端
部には燃料ガス供給管２の一端が連結され、その他端側
は２分岐され、夫々バルブ2a,2b を介在させて各分岐端
を燃料タンク７，主燃料タンク８に連結されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings showing the embodiments. FIG. 2 is a schematic longitudinal sectional view showing a configuration in which the catalytic combustion device according to the present invention is applied to a burner. In the drawing, reference numeral 1 denotes a combustion cylinder. The combustion cylinder 1 is made of stainless steel and is formed in a cylindrical shape. One end of a fuel gas supply pipe 2 is connected to a base end formed in an inverted conical shape, and the other end is branched into two. , 2b are connected to the fuel tank 7 and the main fuel tank 8, respectively.
【００１３】燃料タンク７にはＨ2 ，メタノール等の常
温燃焼可能な燃料ガスが、また主燃料タンク８にはＨ2
以外の、例えばLPG 等の主燃料である可燃性ガスが夫々
高圧で充填されている。燃焼筒１の先端部には上，下方
向に貫通する多数の孔を備えたハニカム構造のPt等から
なる触媒４が燃焼筒１の上端部を覆う態様で装着されて
いる。[0013] H 2 in the fuel tank 7, room temperature combustible fuel gas such as methanol, but also to the main fuel tank 8 is H 2
Other than the above, a flammable gas which is a main fuel such as LPG is filled at a high pressure. A catalyst 4 made of a honeycomb-structured Pt or the like having a large number of holes penetrating upward and downward is mounted on the front end of the combustion cylinder 1 so as to cover the upper end of the combustion cylinder 1.
【００１４】而してこのような本発明装置にあっては、
先ずバルブ2aを開放して水素ガスを燃焼筒１内に供給
し、触媒４と通流接触させて酸化させ、その際発生する
酸化熱によって、触媒４を主燃料タンク８に収容してあ
る可燃性ガスの燃焼開始温度に迄予熱する。触媒４が所
定温度に加熱されるとバルブ2aを閉じ、バルブ2bを開放
して主燃料である可燃性ガスを燃焼筒１内に供給し、可
燃性ガスを触媒燃焼させる。なお触媒４の材質について
は特にPtのみに限定するものではなく、従来知られてい
るものを適宜用いてもよい。Thus, in such an apparatus of the present invention,
First, the valve 2a is opened to supply hydrogen gas into the combustion cylinder 1, and the hydrogen gas is brought into flow contact with the catalyst 4 to be oxidized. The oxidizing heat generated at that time causes the flammable fuel contained in the main fuel tank 8 Preheat to the starting temperature of the flammable gas combustion. When the catalyst 4 is heated to a predetermined temperature, the valve 2a is closed and the valve 2b is opened to supply the flammable gas, which is the main fuel, into the combustion cylinder 1, and the flammable gas is catalytically burned. The material of the catalyst 4 is not particularly limited to only Pt, and a conventionally known material may be appropriately used.
【００１５】[0015]
【発明の効果】以上の如く本発明装置にあっては、メタ
ノールを触媒に通流接触させることでこれを酸化させ、
この酸化熱によって触媒自体の予熱を行い、予熱が終了
するとメタノールの供給を停止することとしているか
ら、Ｈ 2 ガス又はＨ 2 と空気との混合ガスを用いる場合
に比較して安全性が高く安価に済む。また全体の構成が
簡略化され、また触媒自体の温度が均一となって、その
後の燃料ガスに対する燃焼を効率的に行い得る等、本発
明は優れた効果を奏するものである。In the present invention apparatus as above, according to the present invention, meta
Nord was oxidized to by causing Tsuryu contact with the catalyst,
There row preheating of the catalyst itself by the heat of oxidation, the preheating is terminated
Then, the supply of methanol is stopped. When using H 2 gas or a mixed gas of H 2 and air
It is safer and cheaper compared to. Further , the present invention has excellent effects such as a simplified overall structure, a uniform temperature of the catalyst itself, and efficient combustion of fuel gas thereafter.
【図１】従来装置の模式的縦断面図である。FIG. 1 is a schematic longitudinal sectional view of a conventional device.
【図２】本発明に係る触媒燃焼装置の模式的縦断面図で
ある。FIG. 2 is a schematic longitudinal sectional view of a catalytic combustion device according to the present invention.
１ 燃焼筒 ２ 燃料供給管 2a,2b バルブ ４ 触媒 ７，８ 燃料タンク DESCRIPTION OF SYMBOLS 1 Combustion cylinder 2 Fuel supply pipe 2a, 2b Valve 4 Catalyst 7, 8 Fuel tank
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) F23D 14/00 - 14/18 F23D 14/26 - 14/84──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) F23D 14/00-14/18 F23D 14/26-14/84
Claims (1)
触燃焼用の触媒に燃料ガスを通流接触させて燃焼させる
ようにした触媒燃焼装置において、 前記触媒を燃料ガスの燃焼開始温度に迄加熱すべくメタ
ノールを前記触媒に接触させ、その酸化熱にて触媒を予
熱し、予熱が終了するとメタノールの供給を停止する手
段を備えたことを特徴とする触媒燃焼装置。1. A catalytic combustion apparatus that is burned by contact Tsuryu fuel gas to the catalyst for catalytic combustion, preheated until the combustion start temperature of the fuel gas, until the catalytic combustion initiation temperature of the fuel gas Meta to heat
Contacting the Nord to the catalyst, preheated catalyst at oxidation heat, catalytic combustion apparatus, characterized in that it comprises means for stopping the supply of methanol when the preheating is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4191745A JP2762194B2 (en) | 1992-06-24 | 1992-06-24 | Catalytic combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4191745A JP2762194B2 (en) | 1992-06-24 | 1992-06-24 | Catalytic combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0611119A JPH0611119A (en) | 1994-01-21 |
| JP2762194B2 true JP2762194B2 (en) | 1998-06-04 |
Family
ID=16279801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4191745A Expired - Fee Related JP2762194B2 (en) | 1992-06-24 | 1992-06-24 | Catalytic combustion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2762194B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6932593B2 (en) * | 2001-12-03 | 2005-08-23 | New England Catalytic Technologies, Inc. | Method of preheating catalytic heater |
| RU2014120943A (en) * | 2014-05-26 | 2015-12-10 | Общество с ограниченной ответственностью "Уникат" | METHOD FOR FLAMELESS STARTING OF THE CATALYTIC DEVICE |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617734B2 (en) * | 1985-08-23 | 1994-03-09 | バブコツク日立株式会社 | Catalytic combustion device for gas containing carbon monoxide and hydrogen |
| JPS6361607U (en) * | 1986-10-08 | 1988-04-23 | ||
| JPH05306396A (en) * | 1990-08-27 | 1993-11-19 | Toshiba Corp | Method for combustion with oxidizing catalyst |
-
1992
- 1992-06-24 JP JP4191745A patent/JP2762194B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611119A (en) | 1994-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |