JPH10325512A - Combustion apparatus - Google Patents
Combustion apparatusInfo
- Publication number
- JPH10325512A JPH10325512A JP13660997A JP13660997A JPH10325512A JP H10325512 A JPH10325512 A JP H10325512A JP 13660997 A JP13660997 A JP 13660997A JP 13660997 A JP13660997 A JP 13660997A JP H10325512 A JPH10325512 A JP H10325512A
- Authority
- JP
- Japan
- Prior art keywords
- burner
- gas
- combustion
- fuel gas
- burners
- 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]
【発明の属する技術分野】本発明は、給湯機又は給湯機
付風呂釜等に用いる燃焼装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combustion apparatus used for a water heater or a bathtub with a water heater.
【０００２】[0002]
【従来の技術】従来用いられてきた燃焼装置を、図３に
示す給湯機を用いて説明すると、給湯機の外装１２内に
は、その上方に熱交換器１０を配置し、下方にバーナ１
を配置している。バーナ１を中心とする燃焼装置部分を
詳細に述べると、バーナ１の全長は、略炎口部２の長さ
に等しく、前記バーナ１に燃料ガスを導入するための燃
料ガス入口３は、バーナ１の下端部を一部切欠き、炎口
部２の直下となるようになっている。バーナ１は複数本
平行に並べられ、各バーナ１に対応するように、複数本
の燃料ガス用ノズル４が設けられている。前記バーナ１
及び燃料ガス用ノズル４は燃焼室ケース５の内部に設置
され、該燃焼室ケース５の下方には、燃焼用空気を供給
するファン６を取り付けている。また、燃料ガス用ノズ
ル４の上流側にあたるガス流路７には、前記各バーナ１
に対応したガス電磁弁８及びガス比例弁９が設けられて
いる。2. Description of the Related Art A conventional burner will be described with reference to a water heater shown in FIG. 3. A heat exchanger 10 is disposed above a water heater exterior 12 and a burner 1 is disposed below it.
Has been arranged. If the combustion device portion centering on the burner 1 is described in detail, the total length of the burner 1 is substantially equal to the length of the flame port portion 2, and the fuel gas inlet 3 for introducing the fuel gas into the burner 1 is provided with a burner 1. The lower end of 1 is partially cut out so as to be directly below the flame outlet 2. A plurality of burners 1 are arranged in parallel, and a plurality of fuel gas nozzles 4 are provided so as to correspond to each burner 1. The burner 1
The fuel gas nozzle 4 is installed inside the combustion chamber case 5, and a fan 6 for supplying combustion air is mounted below the combustion chamber case 5. Each of the burners 1 is provided in a gas flow path 7 upstream of the fuel gas nozzle 4.
, A gas solenoid valve 8 and a gas proportional valve 9 are provided.
【０００３】加熱するための水は、熱交換器１０を通過
する際に、該熱交換器１０下方に位置するバーナ１によ
って加温され、湯となった後に外装１２より排出され
る。熱交換に用いられ後の排気は、排気室１１を介して
外装１２の外に排出する。[0003] The water for heating is heated by the burner 1 located below the heat exchanger 10 when passing through the heat exchanger 10, turned into hot water, and then discharged from the exterior 12. The exhaust gas used for the heat exchange is discharged to the outside of the exterior 12 through the exhaust chamber 11.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、図３に
示した給湯機は、ファン６、燃焼室ケース５、熱交換器
１０及び排気室１１が鉛直方向に積み上げあれたもので
あり、高さ方向に大きな制約があった。具体的には、壁
貫通型の給湯機等に使用される燃焼装置には、浴室内の
浴槽との兼ね合いから、横幅方向の制約よりも高さ方向
の制約が大きく、図３に示す燃焼装置を使用することが
できない。そのため、給湯機の高さ方向の値が、所定値
より低い給湯機を製作する場合には、バーナ１の形状を
変更し、図４に示す形状とする必要性があった。However, the water heater shown in FIG. 3 has a fan 6, a combustion chamber case 5, a heat exchanger 10, and an exhaust chamber 11 stacked vertically, and a height direction. Had significant restrictions. Specifically, in the combustion device used in a wall penetration type water heater or the like, the restriction in the height direction is larger than the restriction in the width direction due to the balance with the bathtub in the bathroom, and the combustion device shown in FIG. Can not be used. Therefore, when manufacturing a water heater in which the value in the height direction of the water heater is lower than a predetermined value, it is necessary to change the shape of the burner 1 to the shape shown in FIG.
【０００５】図４に示すバーナ１は、燃料ガス入口３を
炎口部２の直下とすることなく、側方に突出させた形状
であり、その高さは、図３に示すバーナ１より低くなっ
ている。このような図４に示すバーナ１を使用すること
により、給湯機全体としては、その高さを低くすること
が可能であるが、低くできる高さは全体の１割にも満た
ず、通常使用している図３に示すバーナ１以外に図４に
示すバーナを開発する必要があり、その労力が大きな負
荷となる課題があった。The burner 1 shown in FIG. 4 has a shape in which the fuel gas inlet 3 protrudes laterally without being directly below the flame port 2, and its height is lower than that of the burner 1 shown in FIG. Has become. The use of such a burner 1 shown in FIG. 4 makes it possible to reduce the height of the water heater as a whole. It is necessary to develop a burner shown in FIG. 4 in addition to the burner 1 shown in FIG.
【０００６】本発明は、前述した課題に鑑みなされたも
のであり、従来使用していた図３に示すバーナ１を用い
ながら、給湯機全体の高さを大幅に縮小可能であり、壁
貫通型給湯機にも適用可能な燃焼装置を提供することを
目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and it is possible to greatly reduce the height of the entire water heater while using the conventional burner 1 shown in FIG. It is an object of the present invention to provide a combustion device applicable to a water heater.
【０００７】[0007]
【課題を解決するための手段】本発明は、図１に示すよ
うに、バーナ１の全長が略炎口部２の長さに等しく、且
つ、燃料ガス入口３が前記炎口部２の直下にある複数本
のバーナ１と、前記各バーナ１に対応する複数の燃料ガ
ス用ノズル４と、前記バーナ１及び燃料ガス用ノズル４
を収納する燃焼室ケース５と、該燃焼室ケース５側壁に
設けられたガス電磁弁８及びガス比例弁９と、燃焼用空
気供給用のファン６と、からなる燃焼装置において、前
記燃料ガス用ノズル４とバーナ１の間に、各バーナに対
応すると共に両端を開放したパイプ状のガス導入管１３
を配置し、且つ、前記ファン６をガス導入管１３の直上
に設けたことを特徴とする。According to the present invention, as shown in FIG. 1, the entire length of the burner 1 is substantially equal to the length of the flame port 2, and the fuel gas inlet 3 is located directly below the flame port 2. , A plurality of fuel gas nozzles 4 corresponding to each of the burners 1, the burner 1 and the fuel gas nozzle 4
A combustion chamber case 5 for accommodating the fuel gas, a gas solenoid valve 8 and a gas proportional valve 9 provided on the side wall of the combustion chamber case 5, and a fan 6 for supplying combustion air. Between the nozzle 4 and the burner 1, a pipe-shaped gas introduction pipe 13 corresponding to each burner and having both ends opened.
, And the fan 6 is provided immediately above the gas introduction pipe 13.
【０００８】[0008]
【発明の実施の形態】本発明に用いるガス導入管１３
は、各バーナに対応する複数本を一括固定したもので
も、１本ずつ独立したものでも適宜選択できる。ガス導
入管１３の両端は、燃料ガス入口３又は燃料ガス用ノズ
ル４に挿入するようにしてもよいが、連結接続を行って
はならない。少なくとも、ガス導入管１３と燃料ガス入
口３又は燃料ガス用ノズル４との間から空気が流入する
必要がある。また、ガス導入管１３の断面形状は、円形
に限るものではなく、角形又は多角形等であってもよ
い。DESCRIPTION OF THE PREFERRED EMBODIMENTS Gas inlet tube 13 used in the present invention
Can be appropriately selected whether a plurality of the burners corresponding to each burner are fixed collectively or an independent one of the burners. Both ends of the gas introduction pipe 13 may be inserted into the fuel gas inlet 3 or the fuel gas nozzle 4, but should not be connected. At least, air needs to flow from between the gas introduction pipe 13 and the fuel gas inlet 3 or the fuel gas nozzle 4. Further, the cross-sectional shape of the gas introduction pipe 13 is not limited to a circle, but may be a square or a polygon.
【０００９】図１を用いて燃料ガスの流れを説明する
と、燃料ガス用ノズル４から噴出された燃料ガスは、燃
料ガス用ノズル４及びガス導入管１３との間からエゼク
タ効果により空気を取り込み、ガス導入管１３内にて混
合され、燃料ガス入口３へと導かれる。燃料ガス入口３
にて、燃料ガス入口３及びガス導入管１３との間から更
に空気を供給された燃料ガスは、バーナ１内部にて混合
され、炎口部２から噴出し、炎口を形成する。The flow of the fuel gas will be described with reference to FIG. 1. The fuel gas ejected from the fuel gas nozzle 4 takes in air from between the fuel gas nozzle 4 and the gas introduction pipe 13 by an ejector effect. They are mixed in the gas introduction pipe 13 and guided to the fuel gas inlet 3. Fuel gas inlet 3
Then, the fuel gas further supplied with air from between the fuel gas inlet 3 and the gas introduction pipe 13 is mixed inside the burner 1 and blows out from the flame port 2 to form a flame port.
【００１０】[0010]
【実施例】以下、図面を用いて本発明の実施例を説明す
る。図１は本発明の実施例を示す燃焼装置の断面図であ
り、バーナ１及び燃料ガス用ノズル４との間に断面円形
のガス導入管１３を設けている。更に、ファン６をガス
導入管１３の直上に設け、そこから空気を下降流にて空
気室１５に供給させている。空気室１５のバーナ１側に
は、仕切り板１４を設け、ファン６からバーナ１の下方
に設けた整流部１６を通過することなく炎口部２へ空気
を供給できないようにしている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view of a combustion apparatus showing an embodiment of the present invention. A gas introduction pipe 13 having a circular section is provided between a burner 1 and a fuel gas nozzle 4. Further, the fan 6 is provided immediately above the gas introduction pipe 13, from which air is supplied to the air chamber 15 in a downward flow. A partition plate 14 is provided on the burner 1 side of the air chamber 15 so that air cannot be supplied from the fan 6 to the flame outlet 2 without passing through the rectifying unit 16 provided below the burner 1.
【００１１】本発明の燃焼装置を組み込んだ給湯機を示
す図２を用いて、空気の流れを説明すると、ファン６か
ら供給される空気は、空気室１５に送風され、その一部
は、燃料ガス用ノズル４及びガス導入管１３との間から
と、燃料ガス入口３及びガス導入管１３との間からバー
ナ１内部へ燃料ガスと混合した状態で供給される。The flow of air will be described with reference to FIG. 2 showing a water heater incorporating the combustion apparatus of the present invention. The air supplied from a fan 6 is blown into an air chamber 15 and a part of the air is supplied to a fuel chamber. The fuel gas is supplied to the inside of the burner 1 from between the gas nozzle 4 and the gas introduction pipe 13 and from between the fuel gas inlet 3 and the gas introduction pipe 13.
【００１２】空気室１５を通過した空気は、バーナ１底
部に設けられた整流部１６を経て、バーナ１同士の隙間
から上方に向けて噴出され、燃焼用空気として使用する
ために燃焼室１７へ供給される。The air that has passed through the air chamber 15 passes through a rectifying section 16 provided at the bottom of the burner 1 and is jetted upward from a gap between the burners 1 to the combustion chamber 17 for use as combustion air. Supplied.
【００１３】燃焼にて発生した高温の空気は、熱交換器
１０にて熱交換を行い、前記熱交換器１０を通過した後
は、排ガスとして排気室１１を通り、外装１２の外部へ
排出される。The high-temperature air generated by the combustion exchanges heat in the heat exchanger 10, and after passing through the heat exchanger 10, is discharged as exhaust gas through the exhaust chamber 11 to the outside of the exterior 12. You.
【００１４】[0014]
【発明の効果】本発明においては、ガス導入管を用いた
ことにより、ファンをバーナの下方側からガス導入管の
上方側へ移動可能となった為に、既存のバーナを用いた
燃焼装置であっても、高さを縮めることを可能とならし
め、結果として本発明の燃焼装置を用いた給湯機等の高
さをも縮めることが可能となった。また、新規のバーナ
を開発する必要もないために、開発期間の大幅な短縮が
図れ、使用者に対しては安価な燃焼装置を提供すること
ができる。According to the present invention, since the fan can be moved from the lower side of the burner to the upper side of the gas introduction pipe by using the gas introduction pipe, the combustion apparatus using the existing burner can be used. Even so, the height can be reduced, and as a result, the height of a water heater or the like using the combustion device of the present invention can be reduced. In addition, since there is no need to develop a new burner, the development period can be greatly reduced, and an inexpensive combustion device can be provided to the user.
【図１】本発明の実施例を示す燃焼装置の断面図であ
る。FIG. 1 is a sectional view of a combustion device showing an embodiment of the present invention.
【図２】本発明の燃焼装置を組み込んだ給湯機の実施例
を示す断面図である。FIG. 2 is a sectional view showing an embodiment of a water heater incorporating the combustion device of the present invention.
【図３】従来例を示す燃焼装置を組み込んだ給湯機の断
面図である。FIG. 3 is a cross-sectional view of a water heater incorporating a combustion device according to a conventional example.
【図４】従来例を示すバーナの側面図である。FIG. 4 is a side view of a burner showing a conventional example.
１．バーナ ２．炎口部 ３．燃料ガス入口 ４．燃料
ガス用ノズル ５．燃焼室ケース ６．ファン ７．ガ
ス流路 ８．ガス電磁弁 ９．ガス比例弁 １０．熱交
換器 １１．排気室 １２．外装 １３．ガス導入管
１４．仕切り板 １５．空気室 １６．整流部 １７．燃焼室1. Burner 2. Flame port 3 3. Fuel gas inlet 4. Fuel gas nozzle Combustion chamber case 6. Fan 7. Gas flow path 8. Gas solenoid valve 9. Gas proportional valve 10. Heat exchanger 11. Exhaust chamber 12. Exterior 13. Gas inlet pipe
14． Partition plate 15. Air chamber 16. Rectifier 17. Combustion chamber
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小林 久浩 茨城県下館市大字下江連1250番地 日立化 成工業株式会社結城工場内 (72)発明者 中村 健二 茨城県下館市大字下江連1250番地 日立化 成工業株式会社結城工場内 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor, Hisahiro Kobayashi 1250, Shimoedori, Shimodate-shi, Ibaraki Pref.Hitachi Kasei Kogyo Co., Ltd. Seiki Kogyo Co., Ltd.
Claims (1)
く、且つ、燃料ガス入口が前記炎口部の直下にある複数
本のバーナと、前記各バーナに対応する複数の燃料ガス
用ノズルと、前記バーナ及び燃料ガス用ノズルを収納す
る燃焼室ケースと、該燃焼室ケース側壁に設けられたガ
ス電磁弁及びガス比例弁と、燃焼用空気供給用のファン
と、からなる燃焼装置において、前記燃料ガス用ノズル
とバーナの間に、各バーナに対応すると共に両端を開放
したパイプ状のガス導入管を配置し、且つ、前記ファン
をガス導入管の直上に設けたことを特徴とする燃焼装
置。1. A plurality of burners having a total length of a burner substantially equal to a length of a flame port, and a fuel gas inlet provided immediately below the flame port, and a plurality of fuel gas corresponding to each of the burners. A combustion apparatus comprising: a nozzle; a combustion chamber case accommodating the burner and the fuel gas nozzle; a gas solenoid valve and a gas proportional valve provided on a side wall of the combustion chamber case; and a combustion air supply fan. A pipe-shaped gas introduction pipe corresponding to each burner and having both ends opened is disposed between the fuel gas nozzle and the burner, and the fan is provided immediately above the gas introduction pipe. Combustion equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13660997A JP3731694B2 (en) | 1997-05-27 | 1997-05-27 | Combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13660997A JP3731694B2 (en) | 1997-05-27 | 1997-05-27 | Combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10325512A true JPH10325512A (en) | 1998-12-08 |
| JP3731694B2 JP3731694B2 (en) | 2006-01-05 |
Family
ID=15179309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13660997A Expired - Lifetime JP3731694B2 (en) | 1997-05-27 | 1997-05-27 | Combustion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3731694B2 (en) |
-
1997
- 1997-05-27 JP JP13660997A patent/JP3731694B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP3731694B2 (en) | 2006-01-05 |
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