JPH0835644A - Purge device for heavy oil burner - Google Patents
Purge device for heavy oil burnerInfo
- Publication number
- JPH0835644A JPH0835644A JP16960494A JP16960494A JPH0835644A JP H0835644 A JPH0835644 A JP H0835644A JP 16960494 A JP16960494 A JP 16960494A JP 16960494 A JP16960494 A JP 16960494A JP H0835644 A JPH0835644 A JP H0835644A
- Authority
- JP
- Japan
- Prior art keywords
- heavy oil
- switching valve
- spray medium
- supply pipe
- light oil
- 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.)
- Pending
Links
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、重油バーナにおける重
油供給流路及び重油供給管内の汚れを取り除くためのパ
ージ装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a purging device for removing dirt in a heavy oil supply passage and a heavy oil supply pipe in a heavy oil burner.
【０００２】[0002]
【従来の技術】図２は、従来において使用されている重
油バーナに備えられたパージ装置の一例を示したもので
あり、バーナ本体１の先端にノズルボディ２を設け、又
該ノズルボディ２の先端にオリフィスプレート３及びバ
ーナチップ４を夫々配設し、前記ノズルボディ２に螺合
するチップナット５により前記オリフィスプレート３及
びバーナチップ４をノズルボディ２に固定するようにし
ている。2. Description of the Related Art FIG. 2 shows an example of a purging device provided in a conventional heavy oil burner, in which a nozzle body 2 is provided at the tip of a burner body 1, and the nozzle body 2 is provided with a nozzle body 2. The orifice plate 3 and the burner tip 4 are respectively provided at the tips, and the orifice plate 3 and the burner tip 4 are fixed to the nozzle body 2 by a tip nut 5 screwed onto the nozzle body 2.
【０００３】又、前記したバーナチップ４内部には、斜
め外方に向かい傾斜する噴射孔６を円周方向に所要の間
隔で複数穿設してあり、前記各噴射孔６の途中位置に連
通するよう、前記ノズルボディ２及びオリフィスプレー
ト３を上下方向に貫通する重油供給流路７を形成すると
共に前記各噴射孔６の後端に連通するよう噴霧媒体供給
流路８を設けてある。Further, a plurality of injection holes 6 inclined obliquely outward are formed in the burner tip 4 in the circumferential direction at required intervals, and the injection holes 6 communicate with the injection holes 6 at intermediate positions. Therefore, a heavy oil supply passage 7 is formed so as to vertically penetrate the nozzle body 2 and the orifice plate 3, and a spray medium supply passage 8 is provided so as to communicate with the rear end of each injection hole 6.
【０００４】更に、重油供給流路７に重油切換弁９を備
えた重油供給管１０の一端を接続すると共に、噴霧媒体
供給流路８に噴霧媒体切換弁１１を備えて蒸気或いは圧
縮空気等の噴霧媒体を供給する噴霧媒体供給管１２の一
端を接続してある。Further, one end of a heavy oil supply pipe 10 having a heavy oil switching valve 9 is connected to the heavy oil supply passage 7, and a spray medium switching valve 11 is provided in the spray medium supply passage 8 to supply steam or compressed air. One end of a spray medium supply pipe 12 for supplying a spray medium is connected.
【０００５】又、前記した重油供給管１０の重油切換弁
９より下流側に軽油切換弁１３を備えた軽油供給管１４
の一端を接続し、噴霧媒体供給管１２の噴霧媒体切換弁
１１より上流側と重油供給管１０の重油切換弁９より下
流側との間を分岐切換弁１５を備えた噴霧媒体分岐管１
６により接続してある。なお、図２中、符号ａは逆止弁
を示す。A light oil supply pipe 14 having a light oil changeover valve 13 downstream of the heavy oil changeover valve 9 of the heavy oil supply pipe 10 described above.
Of the spray medium supply pipe 12, which is connected to one end of the spray medium supply pipe 12 between the upstream side of the spray medium switching valve 11 and the downstream side of the heavy oil supply valve 10 of the heavy oil supply valve 10.
It is connected by 6. In addition, in FIG. 2, the symbol a indicates a check valve.
【０００６】上記した重油バーナにより燃焼を行なう場
合には、噴霧媒体切換弁１１を開放し、分岐切換弁１５
を閉鎖して噴霧媒体である例えば蒸気を噴霧媒体供給流
路８に送り込むと共に、重油切換弁９を開放して重油を
重油供給流路７に送り込み、噴射孔６内で蒸気と重油と
を混合させて蒸気の圧力で噴射孔６の先端から噴出させ
るようにする。When performing combustion with the above heavy oil burner, the spray medium switching valve 11 is opened and the branch switching valve 15 is opened.
Is closed to feed the spray medium, for example, steam into the spray medium supply passage 8, and the heavy oil switching valve 9 is opened to send the heavy oil into the heavy oil supply passage 7 to mix the steam and the heavy oil in the injection hole 6. Then, the pressure of the steam is used to eject the gas from the tip of the injection hole 6.
【０００７】上記重油バーナの燃焼を行なった後に燃焼
を停止させる場合、単に重油切換弁９を閉鎖して燃料の
供給を停止しても、重油供給流路７及び重油供給管１０
の内壁に重油が付着したままになっているため、この重
油が火炉等の高温によって炭化して前記重油供給流路７
及び重油供給管１０の内壁に固化し、これが成長して閉
塞を引き起こす。このため、重油バーナの燃焼停止時に
は、重油切換弁９及び噴霧媒体切換弁１１を閉鎖し、分
岐切換弁１５を開放して蒸気を前記重油供給管１０内に
送り込んで、蒸気の圧力により重油供給流路７及び重油
供給管１０の内壁に付着した重油を除去するようにして
いる。When the combustion is stopped after the combustion of the heavy oil burner, even if the heavy oil switching valve 9 is simply closed to stop the fuel supply, the heavy oil supply passage 7 and the heavy oil supply pipe 10 are provided.
Since the heavy oil remains attached to the inner wall of the heavy oil, the heavy oil is carbonized by the high temperature of the furnace or the like and the heavy oil supply passage 7
And, it solidifies on the inner wall of the heavy oil supply pipe 10, which grows and causes blockage. Therefore, when the combustion of the heavy oil burner is stopped, the heavy oil switching valve 9 and the spray medium switching valve 11 are closed, the branch switching valve 15 is opened, and the steam is sent into the heavy oil supply pipe 10 to supply the heavy oil by the pressure of the steam. The heavy oil adhering to the inner wall of the flow path 7 and the heavy oil supply pipe 10 is removed.
【０００８】しかし、使用する重油の質が粗悪なもの
（重質油）であると、粘性が高いために重油供給流路７
及び重油供給管１０内壁への重油の付着が強固になり、
先に説明した蒸気を噴射させる方法では前記重油供給流
路７及び重油供給管１０内壁に付着した重油を充分に除
去することができないことがあり、こうした残油が残熱
により炭化して前記重油供給流路７及び重油供給管１０
内壁を詰らせるという問題を引き起こしていた。However, when the quality of the heavy oil used is poor (heavy oil), the viscosity of the heavy oil is high, and therefore the heavy oil supply passage 7
And the adhesion of the heavy oil to the inner wall of the heavy oil supply pipe 10 becomes strong,
The above-described method of injecting steam may not be able to sufficiently remove the heavy oil adhering to the inner walls of the heavy oil supply passage 7 and the heavy oil supply pipe 10. Such residual oil is carbonized by residual heat and the heavy oil is Supply channel 7 and heavy oil supply pipe 10
It caused the problem of clogging the inner wall.
【０００９】このため、重油供給管１０の重油切換弁９
より下流側に、軽油切換弁１３を備えた軽油供給管１４
の一端を接続し、重油バーナの燃焼停止時に、重油切換
弁９、噴霧媒体切換弁１１及び分岐切換弁１５を閉鎖す
ると共に、軽油切換弁１３を開放し、重油供給管１０に
軽油を送り込んで燃焼を行なわせながら、該軽油により
重油供給流路７及び重油供給管１０内壁に付着した重油
を洗い流すことにより除去する。そして、軽油切換弁１
３を閉鎖し、分岐切換弁１５を開放して、前記重油供給
管１０に蒸気を送り込んで、前記重油供給流路７及び重
油供給管１０内の軽油を除去するようにしていた。Therefore, the heavy oil switching valve 9 of the heavy oil supply pipe 10
On the further downstream side, a light oil supply pipe 14 equipped with a light oil switching valve 13
When one end of the heavy oil burner is stopped, the heavy oil switching valve 9, the spray medium switching valve 11 and the branch switching valve 15 are closed, the light oil switching valve 13 is opened, and the light oil is fed to the heavy oil supply pipe 10. While burning, the heavy oil adhered to the inner wall of the heavy oil supply passage 7 and the heavy oil supply pipe 10 is washed away with the light oil to be removed. And the light oil switching valve 1
3 is closed, the branch switching valve 15 is opened, steam is sent into the heavy oil supply pipe 10, and the light oil in the heavy oil supply passage 7 and the heavy oil supply pipe 10 is removed.
【００１０】[0010]
【発明が解決しようとする課題】しかし、この方法で
は、重油供給流路７及び重油供給管１０内壁に付着して
いる重油を洗い流すために軽油を多量に送り込む必要が
あり、このため、軽油の消費量が多大となり、軽油自体
が高価なために経費が嵩むという問題があった。However, in this method, in order to wash away the heavy oil adhering to the heavy oil supply passage 7 and the inner wall of the heavy oil supply pipe 10, a large amount of light oil needs to be sent. There is a problem that the amount of consumption is large and the cost is high because the light oil itself is expensive.
【００１１】本発明は、上述の実情に鑑み、微量の軽油
により重油供給流路及び重油供給管内壁に付着した重油
を効果的に除去するために成したものである。In view of the above situation, the present invention is made to effectively remove heavy oil adhering to the inner wall of the heavy oil supply passage and the inner wall of the heavy oil supply pipe with a slight amount of light oil.
【００１２】[0012]
【課題を解決するための手段】本発明の重油バーナのパ
ージ装置は、重油バーナに備えたバーナチップの内部
に、複数の噴射孔を形成し、該噴射孔に連通するよう重
油供給流路と噴霧媒体供給流路を設け、重油切換弁を備
えた重油供給管の一端を前記重油供給流路に接続すると
共に、噴霧媒体切換弁を備えた噴霧媒体供給管の一端を
噴霧媒体供給流路に接続し、又軽油切換弁を備えた軽油
供給管の一端を前記重油供給管の重油切換弁より下流側
に接続し、噴霧媒体供給管の噴霧媒体切換弁より上流側
と前記軽油供給管の軽油切換弁より下流側との間を分岐
切換弁を備えた噴霧媒体分岐管により接続し、前記軽油
供給管における軽油切換弁と噴霧媒体分岐管の接続部と
の間に軽油流量調整弁を備えたものである。A purging device for a heavy oil burner according to the present invention has a plurality of injection holes formed inside a burner tip provided in the heavy oil burner, and a heavy oil supply passage for communicating with the injection holes. A spray medium supply passage is provided, and one end of a heavy oil supply pipe having a heavy oil switching valve is connected to the heavy oil supply passage, and one end of the spray medium supply pipe provided with a spray medium switching valve is used as a spray medium supply passage. One end of a light oil supply pipe having a light oil switching valve connected to the heavy oil supply pipe is connected to a downstream side of the heavy oil switching valve, and the light oil of the spray medium supply pipe is located upstream of the spray medium switching valve and the light oil of the light oil supply pipe. The downstream side of the switching valve is connected by a spray medium branch pipe equipped with a branch switching valve, and a light oil flow rate adjusting valve is provided between the light oil switching valve and the connection part of the spray medium branch pipe in the light oil supply pipe. It is a thing.
【００１３】[0013]
【作用】本発明において、重油バーナの燃焼を停止させ
る際に、重油切換弁及び噴霧媒体切換弁を閉鎖し、分岐
切換弁及び軽油切換弁を開放すると共に軽油流量調整弁
を所要量開放して、噴霧媒体に微量の軽油を混合させて
重油供給管内に送り込む。このとき、微量の軽油は、噴
霧媒体とともに重油供給流路及び重油供給管内壁全体に
吹きつけられるため、重油供給管内壁に付着した重油は
軽油によって洗い流され、取り除かれた重油は流速の速
い噴霧媒体によって重油バーナの外部に除去される。そ
の後、軽油切換弁を閉鎖し、少し時間をおいて分岐切換
弁を閉鎖すると、軽油の含まれない噴霧媒体が重油供給
管内に送り込まれるので、重油供給流路及び重油供給管
内壁に付着した微量の軽油も除去することができる。In the present invention, when the combustion of the heavy oil burner is stopped, the heavy oil switching valve and the spray medium switching valve are closed, the branch switching valve and the light oil switching valve are opened, and the light oil flow rate adjusting valve is opened by the required amount. , A small amount of light oil is mixed with the spray medium and sent into the heavy oil supply pipe. At this time, since a small amount of light oil is sprayed along with the spray medium over the heavy oil supply passage and the inner wall of the heavy oil supply pipe, the heavy oil adhering to the inner wall of the heavy oil supply pipe is washed away by the light oil, and the removed heavy oil is sprayed with a high flow velocity. It is removed to the outside of the heavy oil burner by the medium. After that, if the light oil switching valve is closed and the branch switching valve is closed after a while, the spray medium that does not contain light oil is sent into the heavy oil supply pipe. It can also remove light oil.
【００１４】[0014]
【実施例】以下本発明の実施例を図面を参照しつつ説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００１５】図１は本発明における重油バーナのパージ
装置の一実施例を示しており、図２に示すものと同一の
ものには同一の符号を付し説明は省略する。FIG. 1 shows an embodiment of a purging device for a heavy oil burner according to the present invention. The same parts as those shown in FIG. 2 are designated by the same reference numerals and the description thereof will be omitted.
【００１６】本実施例においては、重油切換弁１７を備
えた重油供給管１８の一端を重油供給流路７に接続する
と共に、噴霧媒体切換弁１９を備えて蒸気或いは圧縮空
気等の噴霧媒体を供給する噴霧媒体供給管２０の一端を
噴霧媒体供給流路８に接続してある。In this embodiment, one end of a heavy oil supply pipe 18 having a heavy oil switching valve 17 is connected to the heavy oil supply passage 7, and a spray medium switching valve 19 is provided to supply a spray medium such as steam or compressed air. One end of the spray medium supply pipe 20 to be supplied is connected to the spray medium supply passage 8.
【００１７】又、軽油切換弁２１を備えた軽油供給管２
２の一端を重油供給管１８の重油切換弁１７より下流側
に接続すると共に、分岐切換弁２３を備えた噴霧媒体分
岐管２４の一端を噴霧媒体供給管２０の噴霧媒体切換弁
１９より上流側に接続し、他端を前記軽油供給管２２の
軽油切換弁２１より下流側の接続部２５で接続してあ
る。A light oil supply pipe 2 having a light oil switching valve 21
One end of 2 is connected to the downstream side of the heavy oil switching valve 17 of the heavy oil supply pipe 18, and one end of the spray medium branch pipe 24 provided with the branch switching valve 23 is upstream of the spray medium switching valve 19 of the spray medium supply pipe 20. , And the other end is connected by a connecting portion 25 on the downstream side of the light oil switching valve 21 of the light oil supply pipe 22.
【００１８】更に、軽油供給管２２における軽油切換弁
２１と接続部２５との間にニードル弁等の軽油流量調整
弁２６を備えてある。Further, a light oil flow rate adjusting valve 26 such as a needle valve is provided between the light oil switching valve 21 and the connecting portion 25 in the light oil supply pipe 22.
【００１９】次に、本実施例の作用について説明する。Next, the operation of this embodiment will be described.
【００２０】本実施例において、重油バーナの燃焼時に
は、軽油切換弁２１及び分岐切換弁２３を閉鎖し、噴霧
媒体切換弁１９を開放して噴霧媒体である例えば蒸気を
噴霧媒体供給流路８に送り込むと共に、重油切換弁１７
を開放して重油を重油供給流路７に送り込み、噴射孔６
内で蒸気と重油とを混合させて蒸気の圧力で噴射孔６の
先端から噴出させて燃焼を行なう。In this embodiment, at the time of combustion of the heavy oil burner, the light oil switching valve 21 and the branch switching valve 23 are closed, and the spray medium switching valve 19 is opened to supply the spray medium, for example, steam, to the spray medium supply passage 8. Fuel oil switching valve 17
Is opened to feed the heavy oil into the heavy oil supply passage 7, and the injection hole 6
The steam and the heavy oil are mixed therein, and the fuel is ejected from the tip of the injection hole 6 by the pressure of the steam to perform combustion.
【００２１】上記した重油バーナ燃焼を停止する際に
は、重油切換弁１７及び噴霧媒体切換弁１９を閉鎖し、
分岐切換弁２３及び軽油切換弁２１を開放すると共に軽
油流量調整弁２６を所要量開放する。When the combustion of the above-mentioned heavy oil burner is stopped, the heavy oil switching valve 17 and the spray medium switching valve 19 are closed,
The branch switching valve 23 and the light oil switching valve 21 are opened, and the light oil flow rate adjusting valve 26 is opened by a required amount.
【００２２】このとき、接続部２５において蒸気に微量
の軽油が混合されて重油供給管１８内に送り込まれる。At this time, a small amount of light oil is mixed with the steam at the connecting portion 25 and sent into the heavy oil supply pipe 18.
【００２３】前記した微量の軽油は、蒸気とともに重油
供給流路７及び重油供給管１８内壁全体に吹きつけられ
るので、前記重油供給流路７及び重油供給管１８内壁に
付着した重油は洗い流され、取り除かれた重油は流速の
速い蒸気により重油バーナの外部に除去される。Since the trace amount of the light oil is blown together with the steam on the entire inner walls of the heavy oil supply passage 7 and the heavy oil supply pipe 18, the heavy oil adhering to the heavy oil supply passage 7 and the inner wall of the heavy oil supply pipe 18 is washed away, The removed heavy oil is removed to the outside of the heavy oil burner by the steam having a high flow rate.
【００２４】その後、軽油切換弁２１を閉鎖し、少し時
間をおいて分岐切換弁２３を閉鎖すると、軽油の含まれ
ない蒸気が重油供給管１８に送り込まれるため、重油供
給流路７及び重油供給管１８内壁に付着した微量の軽油
も除去することができる。After that, when the light oil switching valve 21 is closed and the branch switching valve 23 is closed after a short time, steam containing no light oil is sent into the heavy oil supply pipe 18, so that the heavy oil supply flow path 7 and the heavy oil supply are supplied. A small amount of light oil attached to the inner wall of the pipe 18 can also be removed.
【００２５】従って、微量の軽油により重油供給流路７
及び重油供給管１８内壁に付着した重油が効果的に除去
されると共に経費を大幅に削減することができる。Therefore, the heavy oil supply passage 7 is formed by a slight amount of light oil.
Also, the heavy oil attached to the inner wall of the heavy oil supply pipe 18 can be effectively removed, and the cost can be significantly reduced.
【００２６】なお、本発明の実施例における各弁１７，
１９，２１，２３，２６の開閉操作については制御装置
により制御しても良く、又手動で行なうようにしても良
い等、その他、本発明の要旨を逸脱しない範囲内で種々
変更を加え得ることは勿論である。In addition, each valve 17 in the embodiment of the present invention,
Opening and closing operations of 19, 21, 23, and 26 may be controlled by a control device, may be manually performed, and other various changes may be made without departing from the scope of the present invention. Of course.
【００２７】[0027]
【発明の効果】本発明においては、重油バーナの燃焼を
停止する際に、重油切換弁及び噴霧媒体切換弁を閉鎖
し、分岐切換弁及び軽油切換弁を開放すると共に軽油流
量調整弁を所要量開放して、噴霧媒体に微量の軽油を混
合させ、該軽油を混合させた噴霧媒体を重油供給管内に
送り込むことにより、重油供給流路及び重油供給管内壁
に付着した重油を取り除くと同時に流速の速い噴霧媒体
によって取り除いた重油を除去するようにしているた
め、微量の軽油により効果的に重油を除去することがで
きると共に、経費を大幅に削減することができる等、種
々の優れた効果を奏し得る。According to the present invention, when the combustion of the heavy oil burner is stopped, the heavy oil changeover valve and the spray medium changeover valve are closed, the branch changeover valve and the light oil changeover valve are opened, and the light oil flow rate adjusting valve is required. By opening and mixing a small amount of light oil with the spray medium, and sending the spray medium mixed with the light oil into the heavy oil supply pipe, the heavy oil adhering to the heavy oil supply passage and the inner wall of the heavy oil supply pipe is removed and at the same time the flow rate is changed. Since the heavy oil that has been removed by the fast atomizing medium is removed, it is possible to effectively remove heavy oil with a small amount of light oil, and it is possible to significantly reduce costs, and various other excellent effects are exhibited. obtain.
【図１】本発明の重油バーナのパージ装置の一実施例を
示す縦断側面図である。FIG. 1 is a vertical sectional side view showing an embodiment of a purging device for a heavy oil burner according to the present invention.
【図２】従来の重油バーナのパージ装置の一例を示す縦
断側面図である。FIG. 2 is a vertical sectional side view showing an example of a conventional purging device for a heavy oil burner.
４ バーナチップ ６ 噴射孔 ７ 重油供給流路 ８ 噴霧媒体供給流路 １７ 重油切換弁 １８ 重油供給管 １９ 噴霧媒体切換弁 ２０ 噴霧媒体供給管 ２１ 軽油切換弁 ２２ 軽油供給管 ２３ 分岐切換弁 ２４ 噴霧媒体分岐管 ２５ 接続部 ２６ 軽油流量調整弁 4 burner tip 6 injection hole 7 heavy oil supply flow path 8 spraying medium supply flow path 17 heavy oil switching valve 18 heavy oil supply pipe 19 spraying medium switching valve 20 spraying medium supply pipe 21 light oil switching valve 22 light oil supply pipe 23 branch switching valve 24 spraying medium Branch pipe 25 Connection part 26 Light oil flow rate adjustment valve
Claims (1)
に、複数の噴射孔を形成し、該噴射孔に連通するよう重
油供給流路と噴霧媒体供給流路を設け、重油切換弁を備
えた重油供給管の一端を前記重油供給流路に接続すると
共に、噴霧媒体切換弁を備えた噴霧媒体供給管の一端を
噴霧媒体供給流路に接続し、又軽油切換弁を備えた軽油
供給管の一端を前記重油供給管の重油切換弁より下流側
に接続し、噴霧媒体供給管の噴霧媒体切換弁より上流側
と前記軽油供給管の軽油切換弁より下流側との間を分岐
切換弁を備えた噴霧媒体分岐管により接続し、前記軽油
供給管における軽油切換弁と噴霧媒体分岐管の接続部と
の間に軽油流量調整弁を備えたことを特徴とする重油バ
ーナのパージ装置。1. A burner chip provided in a heavy oil burner is provided with a plurality of injection holes, a heavy oil supply passage and a spray medium supply passage are provided so as to communicate with the injection holes, and a heavy oil switching valve is provided. One end of the heavy oil supply pipe is connected to the heavy oil supply passage, and one end of the spray medium supply pipe provided with a spray medium switching valve is connected to the spray medium supply passage, and a light oil supply pipe provided with a light oil switching valve One end is connected to the downstream side of the heavy oil switching valve of the heavy oil supply pipe, and a branch switching valve is provided between the upstream side of the spray medium switching valve of the spray medium supply pipe and the downstream side of the light oil switching valve of the light oil supply pipe. A purging device for a heavy oil burner, characterized in that it is connected by a spray medium branch pipe, and a light oil flow rate adjusting valve is provided between the light oil switching valve in the light oil supply pipe and the connection portion of the spray medium branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16960494A JPH0835644A (en) | 1994-07-21 | 1994-07-21 | Purge device for heavy oil burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16960494A JPH0835644A (en) | 1994-07-21 | 1994-07-21 | Purge device for heavy oil burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0835644A true JPH0835644A (en) | 1996-02-06 |
Family
ID=15889581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16960494A Pending JPH0835644A (en) | 1994-07-21 | 1994-07-21 | Purge device for heavy oil burner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0835644A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008298361A (en) * | 2007-05-31 | 2008-12-11 | Mitsubishi Heavy Ind Ltd | Liquid spray burner and residual fuel removal method of the same |
-
1994
- 1994-07-21 JP JP16960494A patent/JPH0835644A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008298361A (en) * | 2007-05-31 | 2008-12-11 | Mitsubishi Heavy Ind Ltd | Liquid spray burner and residual fuel removal method of the same |
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