JPH0611119A - Catalyst combustion device - Google Patents
Catalyst combustion deviceInfo
- Publication number
- JPH0611119A JPH0611119A JP19174592A JP19174592A JPH0611119A JP H0611119 A JPH0611119 A JP H0611119A JP 19174592 A JP19174592 A JP 19174592A JP 19174592 A JP19174592 A JP 19174592A JP H0611119 A JPH0611119 A JP H0611119A
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- catalyst
- fuel gas
- gas
- fuel
- 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
Landscapes
- Gas Burners (AREA)
Abstract
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 device such as a burner which uses a heat source of oxidation heat generated by bringing a combustible gas into constant contact with a preheated catalyst.
【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 The fuel gas used in this type of combustion apparatus has a different combustion start temperature depending on its type. Therefore, in order to start stable combustion from the beginning, it is necessary to preheat the catalyst itself to the combustion start temperature. 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。Table 1 shows the combustion start temperature of various combustible gases when a platinum-based catalyst, which is said 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 is understood 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 vertical sectional view showing a conventional catalytic combustion burner, in which 1 denotes a combustion cylinder. The combustion cylinder 1 is made of stainless steel and has a cylindrical shape. One end of a fuel supply pipe 2 is connected to a base end portion formed in an inverted truncated cone shape, and the other end is connected to a fuel tank 3 with a valve 2a interposed therebetween. It is connected.
【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。Further, a Pt catalyst 4 having a honeycomb structure having a large number of holes formed in the upper and lower directions is attached to the tip of the combustion cylinder 1. 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 are connected to a power source 6, respectively.
【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。Thus, 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. It is opened to supply the fuel gas into the combustion cylinder 1. The supplied fuel gas comes into contact with the catalyst 4 as it passes through the catalyst 4, 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, in such a conventional burner, there is a problem that the structure of the entire burner becomes complicated because the preheating device including the electric heater 5 and the power source 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、燃焼ガスの燃焼開始温度に迄予熱した接触燃焼用
の触媒に燃焼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、前記触媒を燃焼ガスの燃焼開
始温度に迄加熱すべく常温燃焼可能な燃料ガスを前記触
媒に接触させ、その酸化熱にて触媒を予熱する手段を備
えたことを特徴とする。SUMMARY OF THE INVENTION A catalytic combustion apparatus according to the present invention is a catalytic combustion apparatus in which a combustion gas is preheated to a combustion start temperature of a combustion gas so that the combustion gas is made to flow through and come into contact with the catalyst for catalytic combustion. In order to heat the catalyst to the combustion start temperature of the combustion gas, a fuel gas combustible at room temperature is brought into contact with the catalyst, and the catalyst is preheated by its oxidation heat.
【００１１】[0011]
【作用】本発明にあっては、常温燃焼可能な燃料ガスを
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る。In the present invention, the fuel gas that is combustible at room temperature is passed through the catalyst to oxidize the fuel gas, and the heat of oxidation raises the temperature of the catalyst itself to start combustion of the main fuel gas. It is possible to preheat to temperature.
【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。DETAILED 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 vertical cross-sectional view showing a configuration in which the catalytic combustion apparatus according to the present invention is applied to a burner, and 1 in the figure shows a combustion cylinder. The combustion cylinder 1 is made of stainless steel and has a cylindrical shape. One end of a fuel gas supply pipe 2 is connected to a base end portion formed in an inverted conical shape, and the other end side is branched into two. , 2b are interposed to connect the respective branch ends to the fuel tank 7 and the main fuel tank 8.
【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 that, for example, combustible gas, which is the main fuel such as LPG, is filled at high pressure. A catalyst 4 made of Pt or the like having a honeycomb structure having a large number of holes penetrating upward and downward is attached to the tip 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 a device of the present invention,
First, the valve 2a is opened to supply hydrogen gas into the combustion cylinder 1, and the catalyst 4 is made to flow through and contact with the catalyst 4 to oxidize the same. Preheat to the combustion start temperature of the characteristic gas. When the catalyst 4 is heated to a predetermined temperature, the valve 2a is closed and the valve 2b is opened to supply the combustible gas which is the main fuel into the combustion cylinder 1 to catalytically combust the combustible gas. The material of the catalyst 4 is not limited to Pt, and any conventionally known material may be used as appropriate.
【００１５】[0015]
【発明の効果】以上の如く本発明装置にあっては、常温
燃焼可能な燃料ガス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う
こととしているから、従来の如く電気ヒータ等を用いる
場合に比較して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。As described above, in the device of the present invention, the fuel gas combustible at room temperature is flowed into contact with the catalyst to oxidize it, and the heat of oxidation preheats the catalyst itself. In comparison with the conventional case where an electric heater or the like is used, the entire structure is simplified, the temperature of the catalyst itself becomes uniform, and the subsequent combustion with respect to the fuel gas can be efficiently performed. It has an excellent effect.
【図１】従来装置の模式的縦断面図である。FIG. 1 is a schematic vertical 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 vertical 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 1 Combustion cylinder 2 Fuel supply pipe 2a, 2b Valve 4 Catalyst 7 and 8 Fuel tank
Claims (1)
触燃焼用の触媒に燃焼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、 前記触媒を燃焼ガスの燃焼開始温度に迄加熱すべく常温
燃焼可能な燃料ガスを前記触媒に接触させ、その酸化熱
にて触媒を予熱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 device in which combustion catalyst is preheated to the combustion start temperature of the combustion gas so that the combustion gas is flowed into contact with the catalyst for combustion to burn the catalyst. A catalytic combustion apparatus comprising means for bringing a fuel gas capable of combustion at room temperature into contact with the catalyst to be heated, and preheating the catalyst by the heat of oxidation thereof.
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 true JPH0611119A (en) | 1994-01-21 |
| JP2762194B2 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) |
Cited By (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 |
| WO2015183120A1 (en) * | 2014-05-26 | 2015-12-03 | Общество с ограниченной ответственностью "Уникат" | Method for the flameless ignition of a catalytic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246116A (en) * | 1985-08-23 | 1987-02-28 | Babcock Hitachi Kk | Method of contact combusting for carbon monoxide and hydrogen containing gas and equipment thereof |
| 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
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246116A (en) * | 1985-08-23 | 1987-02-28 | Babcock Hitachi Kk | Method of contact combusting for carbon monoxide and hydrogen containing gas and equipment thereof |
| JPS6361607U (en) * | 1986-10-08 | 1988-04-23 | ||
| JPH05306396A (en) * | 1990-08-27 | 1993-11-19 | Toshiba Corp | Method for combustion with oxidizing catalyst |
Cited By (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 |
| WO2015183120A1 (en) * | 2014-05-26 | 2015-12-03 | Общество с ограниченной ответственностью "Уникат" | Method for the flameless ignition of a catalytic device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2762194B2 (en) | 1998-06-04 |
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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 |