JP2004333103A

JP2004333103A - Cooled heating burner

Info

Publication number: JP2004333103A
Application number: JP2003135337A
Authority: JP
Inventors: Hisanori Hanagami; 久議花神
Original assignee: HANAGAMI TEKKOSHO KK
Current assignee: HANAGAMI TEKKOSHO KK
Priority date: 2003-03-12
Filing date: 2003-05-14
Publication date: 2004-11-25

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooled heating burner reducing a degree of wear of a nozzle due to burner heating. <P>SOLUTION: The cooled heating burner is provided with a combustion gas chamber 10 taking in combustion gas A, an oxygen chamber 20 taking in oxygen B, and a cooling chamber 30 taking in a coolant C. A tip nozzle part 40 is formed on an end face of the cooling chamber 30, a first pipe 50 is provided for leading the combustion gas A to the tip nozzle part 40 from the combustion gas chamber 10 via the cooling chamber 30, and a second pipe 60 is provided for leading the oxygen B to the tip nozzle part 40 from the oxygen chamber 20 via the cooling chamber 30. It is characterized by that the combustion gas chamber 10, the oxygen chamber 20, and the cooling chamber 30 are composed in multiple tiers. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
この発明は、冷却構造を備えた冷却式加熱バーナーに関するものである。
【０００２】
【従来の技術】
従来、冷却構造を備えた加熱バーナーとして、例えば特開平９−２６４５１６号公報に示すものがあった。これは、炉本体に一次バーナーと二次バーナーとを備え、これら各バーナーの焚口を冷却するための冷却装置が設けられたもので、各バーナーでの燃焼の際に焚口の周囲を冷却するので、燃料の燃焼の際の火炎の表面温度が下がり、従って、燃焼が緩慢に行われ、大量の不活性ガスを使用することなく、燃焼温度を抑えてＮＯｘの生成の大幅な抑制を行うことができるというものである。
【０００３】
【特許文献１】
特開平９−２６４５１６号公報
【０００４】
【発明が解決しようとする課題】
上記従来技術（特開平９−２６４５１６号）では、一次ノズル４を大径筒９の途中まで挿通し、大径筒９の挿通部９ａの焚口外周を第１水冷ジャケット１０で被覆し、また、二次ノズル５を小径筒２０に挿通し、小径筒２０の焚口外周を第２水冷ジャケット２１で被覆している。従って、各ノズルの焚口周辺を冷却することはできるが、各ノズル自身の先端火口を直接冷却することはできない。
【０００５】
このように、従来の加熱バーナーは、バーナー自身のノズル先端火口の冷却については考慮されていない。そのため、バーナー自身の火炎熱によりノズル先端の傷みが著しくなり、消耗が早いという問題点があった。
【０００６】
この発明は、上記のような問題点を解消するためになされたものであり、バーナー加熱による火口の消耗度を少なくする冷却式加熱バーナーを提供することを目的とする。
【０００７】
【課題を解決するための手段】
請求項１による冷却式加熱バーナーの発明は、冷却媒体Ｃが導入される冷却室を備え、冷却室の端面に先端火口部が形成されていると共に、燃焼ガスＡを冷却室を経由して先端火口部に導く第１パイプと、酸素Ｂを冷却室を経由して先端火口部に導く第２パイプを備えたことを特徴とする。
【０００８】
請求項２による冷却式加熱バーナーの発明は、燃焼ガスＡが導入される燃焼ガス室と、酸素Ｂが導入される酸素室と、冷却媒体Ｃが導入される冷却室とを備え、冷却室の端面に先端火口部が形成されていると共に、燃焼ガス室から冷却室を経由して燃焼ガスＡを先端火口部に導く第１パイプと、酸素室から冷却室を経由して酸素Ｂを先端火口部に導く第２パイプを備えたことを特徴とする。
【０００９】
請求項３による冷却式加熱バーナーの発明は、請求項２の発明において、燃焼ガス室、酸素室、並びに冷却室を、この順で縦列に複数段で構成することを特徴とする。
【００１０】
請求項４による冷却式加熱バーナーの発明は、請求項２の発明において、酸素室、燃焼ガス室、並びに冷却室を、この順で縦列に複数段で構成することを特徴とする。
【００１１】
請求項５による冷却式加熱バーナーの発明は、燃焼ガスＡが導入される燃焼ガス室と、酸素Ｂが導入される酸素室と、酸素Ｂが導入される冷却室をこの順に複数段に構成し、
冷却室の端面に燃焼ガスＡ及び酸素Ｂの先端火口部を形成すると共に、冷却室の先端火口部付近に酸素Ｂを導入し、冷却室に導入した酸素Ｂを更に酸素室に導入すると共に、
燃焼ガス室から酸素室及び冷却室を貫通して燃焼ガスＡを先端火口部に導く第１パイプと、酸素室から冷却室を貫通して酸素Ｂを先端火口部に導く第２パイプを備えたことを特徴とする。
【００１２】
請求項６による冷却式加熱バーナーの発明は、酸素Ｂが導入される酸素室と、燃焼ガスＡが導入される燃焼ガス室と、燃焼ガスＡが導入される冷却室をこの順に複数段に構成し、
冷却室の端面に燃焼ガスＡ及び酸素Ｂの先端火口部を形成すると共に、冷却室の先端火口部付近に燃焼ガスＡを導入し、冷却室に導入した燃焼ガスＡを更に燃焼ガス室に導入すると共に、
酸素室から燃焼ガス室及び冷却室を貫通して酸素Ｂを先端火口部に導く第２パイプと、燃焼ガス室から冷却室を貫通して燃焼ガスＢを先端火口部に導く第１パイプを備えたことを特徴とする。
【００１３】
【発明の実施の形態】
実施の形態１．
以下、この発明の実施の形態１を図に基づいて説明する。図１（ａ）及び（ｂ）はこの発明の実施の形態１による冷却式加熱バーナーを示す側面断面図（図１（ｂ）のａ−ａ線断面図）及び正面図である。
【００１４】
図１において、本実施の形態の冷却式加熱バーナーの主要構成は、ＬＰＧや水素等の燃焼ガスＡを導入する燃焼ガス室１０と、酸素Ｂを導入する酸素室２０と、冷却媒体Ｃを導入する冷却室３０とを複数段構成で備えている。そして、燃焼ガス室１０から冷却室３０を介して燃焼ガスＡを先端火口部４０に導く第１パイプ５０と、酸素室２０から冷却室３０を介して酸素Ｂを先端火口部４０に導く第２パイプ６０を備えている。
【００１５】
次に、各構成部分の詳細について説明する。燃焼ガス室１０は隔壁１２により囲まれており、燃焼ガス通路１１を通じて燃焼ガスＡが導入される。燃焼ガス室１０内には、仕切り壁１３が設けられ、燃焼ガスＡを均等圧に調整する燃焼ガス均圧室１５を構成している。燃焼ガス導入口１４は燃焼ガスＡを燃焼ガス均圧室１５に導く案内口である。酸素室２０には、酸素Ｂがガス通路２１から隔壁１２と隔壁２２の間ならびに酸素導入口２３を通して、導入されるようになっている。冷却室３０には、冷却水や冷却空気の様な冷却媒体Ｃが冷却媒体導入通路３１を通して導入され、また、冷却媒体排出通路３２を通して排出される。
【００１６】
燃焼ガス室１０の燃焼ガス均圧室１５からは、酸素室２０及び冷却室３０を通して先端火口部４０に貫通する第１パイプ５０が設けられ、燃焼ガスＡを燃焼ガス均圧室１５から先端火口部４０に導くように構成されている。酸素室２０からは、冷却室３０を通して先端火口部４０に貫通する第２パイプ６０が設けられ、燃焼ガスＡを酸素室２０から先端火口部４０に導くように構成されている。なお、先端火口部４０における火炎生成に際して酸欠を防止するために、燃焼ガスＡを通す第１パイプ５０の径より酸素Ｂを通す第２パイプ６０の径の方を大きくしている。
【００１７】
次に、この発明の実施の形態１による冷却式加熱バーナーの動作について説明する。燃焼ガスＡは、燃焼ガス通路１１を通じて燃焼ガス室１０に導入され、燃焼ガス導入口１４から燃焼ガス均圧室１５に導かれる。そして、燃焼ガスＡは、燃焼ガス均圧室１５でほぼ均等圧に調整され、第１パイプ５０を通じて冷却室３０を経由して先端火口部４０に導かれる。また、酸素Ｂは、ガス通路２１から隔壁１２と隔壁２２の間ならびに酸素導入口２３を通して、酸素室２０に導入される。そして、酸素Ｂは、第２パイプ６０を通じて冷却室３０を経由して先端火口部４０に導かれる。更に、冷却水や冷却空気等の冷却媒体Ｃは、冷却媒体導入通路３１から冷却室３０に導入され、冷却媒体排出通路３２を通して排出される。
【００１８】
第１パイプ５０を通じて先端火口部４０から吐き出される燃焼ガスＡ及び第２パイプ６０を通じて先端火口部４０から吐き出される酸素Ｂは、あいまって火炎を形成するが、先端火口部４０は冷却室３０と直接接しているので、燃焼ガスＡの吐出口である第１パイプ５０の先端火口、並びに酸素Ｂの吐出口である第２パイプ６０の先端火口は、常時冷却され、加熱による火口の傷み及び消耗を著しく低下させることができる。
【００１９】
なお、上記実施の形態１の説明では、燃焼ガス室１０と、酸素室２０と、冷却室３０とをこの順序で複数段に構成し、燃焼ガス室１０から酸素室２０及び冷却室３０を貫通して燃焼ガスＡを先端火口部４０に導く第１パイプ５０と、酸素室２０から冷却室３０を貫通して酸素Ｂを先端火口部４０に導く第２パイプ６０を備えたものを示したが、酸素室と、燃焼ガス室と、冷却室とをこの順序で複数段に構成し、燃焼ガス室から冷却室を貫通して燃焼ガスＡを先端火口部に導く比較的幅狭のパイプと、酸素室から燃焼ガス室及び冷却室を経由して酸素Ｂを先端火口部に導く比較的幅広のパイプを備えたものであっても良い。
【００２０】
また、上記実施の形態１の説明では、図１（ｂ）に示すように、先端火口部４０として円形上のものを示したが、多角形状等でも構わない。
【００２１】
実施の形態２．
実施の形態１では、冷却室の端面に先端火口部を形成すると共に冷却室に冷却媒体Ｃを導入するような構成にしたが、本実施の形態では、冷却室の端面に先端火口部を形成すると共に冷却媒体Ｃの代わりに酸素又は燃焼ガスを冷却室に導入するような構成とする。
【００２２】
以下、この発明の実施の形態２を図に基づいて説明する。図２（ａ）及び（ｂ）はこの発明の実施の形態２による冷却式加熱バーナーを示す側面断面図及び正面図である。
【００２３】
図２において、本実施の形態の冷却式加熱バーナーの主要構成は、冷却のための酸素Ｂを導入する冷却室３５と、冷却室３５から酸素Ｂを導入する酸素室２０と、ＬＰＧや水素等の燃焼ガスＡを導入する燃焼ガス室１０とを縦列に複数段構成で備えている。そして、燃焼ガス室１０から冷却室３５を貫通して燃焼ガスＡを先端火口部４０に導く第１パイプ５０と、酸素室２０から冷却室３５を貫通して酸素Ｂを先端火口部４０に導く第２パイプ６０を備えている。
【００２４】
次に、各構成部分の詳細について説明する。燃焼ガス室１０は隔壁１２により囲まれており、燃焼ガス通路１１を通じて燃焼ガスＡが導入される。燃焼ガス室１０内には、仕切り壁１３が設けられ、燃焼ガスＡを均等圧に調整する燃焼ガス均圧室１５を構成している。燃焼ガス導入口１４は燃焼ガスＡを燃焼ガス均圧室１５に導く案内口である。酸素室２０及び冷却室３５も隔壁１２によりそれぞれ隔離されている。
【００２５】
酸素Ｂは、酸素ガス通路２１から隔壁１２と外壁２２の間を通って酸素導入口２６に導かれ、冷却室３５に導入されるようになっている。酸素導入口２６は冷却室３５の先端火口部４０に接近した位置に設けられている。そして、冷却室３５と酸素室２０の間の隔壁に通路７０が設けられ、冷却室３５に導入された酸素Ｂが酸素室２０に導かれるようになっている。
【００２６】
燃焼ガス室１０の燃焼ガス均圧室１５からは、酸素室２０及び冷却室３５を通して先端火口部４０に貫通する第１パイプ５０が設けられ、燃焼ガスＡを燃焼ガス均圧室１５から先端火口部４０に導くように構成されている。酸素室２０からは、冷却室３５を通して先端火口部４０に貫通する第２パイプ６０が設けられ、酸素Ｂを酸素室２０から先端火口部４０に導くように構成されている。なお、先端火口部４０における火炎生成に際して酸欠を防止するために、燃焼ガスＡを通す第１パイプ５０の径より酸素Ｂを通す第２パイプ６０の径の方を大きくしている。
【００２７】
次に、この発明の実施の形態２による冷却式加熱バーナーの動作について説明する。燃焼ガスＡは、燃焼ガス通路１１を通じて燃焼ガス室１０に導入され、燃焼ガス導入口１４から燃焼ガス均圧室１５に導かれる。そして、燃焼ガスＡは、燃焼ガス均圧室１５でほぼ均等圧に調整され、第１パイプ５０を通じて冷却室３５を経由して先端火口部４０に導かれる。一方、酸素Ｂは、酸素ガス通路２１から隔壁１２と外壁２２の間ならびに酸素導入口２６を介して、冷却室３５の先端火口部４０付近に導入される。ここで、酸素ガス通路２１から導入される酸素は、一般に圧縮された低温度のガスであるので、冷却室３５の先端火口側端面を冷却する役割を果す。
【００２８】
そして、冷却室３５に導入された酸素Ｂは、冷却室３５と酸素室２０の間の隔壁に設けられた通路７０を通して、酸素室２０に導入される。その後、酸素Ｂは、酸素室２０から第２パイプ６０を通じて冷却室３５を経由して先端火口部４０に導かれる。
【００２９】
第１パイプ５０を通じて先端火口部４０から吐き出される燃焼ガスＡ及び第２パイプ６０を通じて先端火口部４０から吐き出される酸素Ｂは、あいまって火炎を形成するが、先端火口部４０は冷却室３５と直接接しているので、燃焼ガスＡの吐出口である第１パイプ５０の先端火口、並びに酸素Ｂの吐出口である第２パイプ６０の先端火口は、常時冷却され、加熱による火口の傷み及び消耗を著しく低下させることができる。
【００３０】
また、冷却室３５に導入される酸素Ｂは、冷却室３５の先端火口部端面で熱せられ温まるので、酸素室２０及び第２パイプ６０を通じて吐き出される酸素Ｂも温度が上昇しており、火炎の形成がスムースになる。
【００３１】
なお、上記実施の形態２の説明では、燃焼ガス室１０と、酸素室２０と、冷却室３５とをこの順序で複数段に構成し、酸素Ｂを冷却室３５の先端火口部付近に導入し、冷却室３５に導入した酸素Ｂを更に酸素室に導入すると共に、燃焼ガス室１０から酸素室２０及び冷却室３５を貫通して燃焼ガスＡを先端火口部４０に導く第１パイプ５０と、酸素室２０から冷却室３５を貫通して酸素Ｂを先端火口部４０に導く第２パイプ６０を備えたものを示したが、酸素室と、燃焼ガス室と、冷却室とをこの順序で複数段に構成し、燃焼ガスＡを冷却室の先端火口部付近に導入し、冷却室に導入した燃焼ガスＡを更に燃焼ガス室に導入すると共に、燃焼ガス室から冷却室を経由して燃焼ガスＡを先端火口部に導く比較的幅狭のパイプと、酸素室から燃焼ガス室及び冷却室を経由して酸素Ｂを先端火口部に導く比較的幅広のパイプを備えたものであっても良い。
【００３２】
【発明の効果】
以上のように、請求項１及び請求項２の発明によれば、冷却媒体Ｃが導入される冷却室の端面に燃焼ガスＡ及び酸素Ｂの先端火口部を形成し、燃焼ガスＡを冷却室を貫通して先端火口部に導く第１パイプと、酸素Ｂを冷却室を貫通して先端火口部に導く第２パイプを備えたので、燃焼ガスＡの吐出口である第１パイプの先端火口、並びに酸素Ｂの吐出口である第２パイプの先端火口は常時冷却され、加熱による火口の傷み及び消耗を著しく低下させることができる。
【００３３】
また、請求項３及び請求項４の発明によれば、上記効果に加え、加熱バーナー自体の構造を簡単化することができる。
【００３４】
また、請求項５及び請求項６の発明によれば、冷却室の端面に燃焼ガスＡ及び酸素Ｂの先端火口部を形成すると共に、冷却室の先端火口部付近に酸素Ｂ又は燃焼ガスＡを導入して、冷却室に導入した酸素Ｂ又は燃焼ガスＡを更に酸素室又は燃焼ガス室に導入すると共に、燃焼ガスＡ及び酸素Ｂを冷却室を貫通して先端火口部に導くパイプを備えたので、燃焼ガスＡ及び酸素Ｂの吐出口であるパイプの先端火口は常時冷却され、加熱による火口の傷み及び消耗を著しく低下させることができる。また、冷却室に導入される酸素Ｂ又は燃焼ガスＡは先端火口部で発生する火炎により熱せられ、パイプを通じて吐き出される酸素Ｂ又は燃焼ガスも温度が上昇しており、火炎の形成がスムースになる。さらに、冷却媒体Ｃも不要となる。
【図面の簡単な説明】
【図１】この発明の実施の形態１による冷却式加熱バーナーを示す側面断面図及び正面図である。
【図２】この発明の実施の形態２による冷却式加熱バーナーを示す側面断面図及び正面図である。
【符号の説明】
Ａ燃焼ガス、Ｂ酸素、Ｃ冷却媒体、１０燃焼ガス室、２０酸素室、３０、３５冷却室、４０先端火口部、５０第１パイプ、６０第２パイプ。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cooling-type heating burner having a cooling structure.
[0002]
[Prior art]
Conventionally, as a heating burner having a cooling structure, for example, there has been a heating burner disclosed in Japanese Patent Application Laid-Open No. 9-264516. This is provided with a primary burner and a secondary burner in the furnace body, and provided with a cooling device for cooling the firing port of each burner, so that the surroundings of the firing port are cooled at the time of combustion in each burner. Therefore, the surface temperature of the flame during the combustion of the fuel is lowered, and therefore, the combustion is performed slowly, so that the combustion temperature can be suppressed without using a large amount of inert gas and the generation of NOx can be largely suppressed. It is possible.
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 9-264516
[Problems to be solved by the invention]
In the above prior art (Japanese Patent Application Laid-Open No. 9-264516), the primary nozzle 4 is inserted halfway through the large-diameter cylinder 9, and the outer periphery of the opening of the insertion portion 9 a of the large-diameter cylinder 9 is covered with the first water-cooled jacket 10. The secondary nozzle 5 is inserted into the small-diameter cylinder 20, and the outer periphery of the firing port of the small-diameter cylinder 20 is covered with a second water-cooling jacket 21. Therefore, the vicinity of the crater of each nozzle can be cooled, but the tip crater of each nozzle cannot be directly cooled.
[0005]
As described above, the conventional heating burner does not consider cooling of the nozzle tip crater of the burner itself. For this reason, there has been a problem that the damage of the tip of the nozzle becomes remarkable due to the flame heat of the burner itself, and that the nozzle is quickly consumed.
[0006]
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a cooling-type heating burner that reduces the consumption of a crater due to burner heating.
[0007]
[Means for Solving the Problems]
The invention of a cooling type heating burner according to claim 1 includes a cooling chamber into which a cooling medium C is introduced, a tip crater portion is formed at an end face of the cooling chamber, and the combustion gas A is transferred to the tip through the cooling chamber. A first pipe leading to the crater and a second pipe leading oxygen B to the tip crater via the cooling chamber are provided.
[0008]
The invention of the cooling type heating burner according to claim 2 includes a combustion gas chamber in which the combustion gas A is introduced, an oxygen chamber in which the oxygen B is introduced, and a cooling chamber in which the cooling medium C is introduced. A tip crater is formed on the end face, and a first pipe for guiding the combustion gas A from the combustion gas chamber to the tip crater via the cooling chamber, and oxygen B from the oxygen chamber via the cooling chamber to the tip crater. And a second pipe leading to the section.
[0009]
The invention of a cooling type heating burner according to a third aspect is characterized in that, in the invention of the second aspect, the combustion gas chamber, the oxygen chamber, and the cooling chamber are configured in a plurality of stages in tandem in this order.
[0010]
The invention of a cooling type heating burner according to a fourth aspect is characterized in that, in the invention of the second aspect, the oxygen chamber, the combustion gas chamber, and the cooling chamber are configured in a plurality of stages in tandem in this order.
[0011]
The invention of the cooling type heating burner according to claim 5 comprises a combustion gas chamber in which the combustion gas A is introduced, an oxygen chamber in which the oxygen B is introduced, and a cooling chamber in which the oxygen B is introduced, which are arranged in a plurality of stages in this order. ,
While forming the tip crater portion of the combustion gas A and oxygen B on the end face of the cooling chamber, oxygen B is introduced near the tip crater portion of the cooling chamber, and the oxygen B introduced into the cooling chamber is further introduced into the oxygen chamber.
A first pipe is provided to lead the combustion gas A from the combustion gas chamber through the oxygen chamber and the cooling chamber to the tip crater part, and a second pipe is provided to guide the combustion gas A from the oxygen chamber through the cooling chamber to the tip crater part. It is characterized by the following.
[0012]
The invention of the cooling type heating burner according to claim 6 comprises a plurality of stages of an oxygen chamber into which oxygen B is introduced, a combustion gas chamber into which combustion gas A is introduced, and a cooling chamber into which combustion gas A is introduced. And
A tip crater for the combustion gas A and oxygen B is formed at the end face of the cooling chamber, and the combustion gas A is introduced near the tip crater of the cooling chamber, and the combustion gas A introduced into the cooling chamber is further introduced into the combustion gas chamber. Along with
A second pipe that penetrates the oxygen B from the oxygen chamber through the combustion gas chamber and the cooling chamber to the tip crater, and a first pipe that penetrates the combustion gas from the combustion gas chamber through the cooling chamber to the tip crater; It is characterized by having.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1 FIG.
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. 1 (a) and 1 (b) are a side sectional view (a sectional view along line aa in FIG. 1 (b)) and a front view showing a cooling-type heating burner according to Embodiment 1 of the present invention.
[0014]
In FIG. 1, the main components of a cooling-type heating burner according to the present embodiment include a combustion gas chamber 10 for introducing a combustion gas A such as LPG and hydrogen, an oxygen chamber 20 for introducing oxygen B, and a cooling medium C for introduction. And a cooling chamber 30 having a plurality of stages. The first pipe 50 guides the combustion gas A from the combustion gas chamber 10 to the tip crater 40 via the cooling chamber 30, and the second pipe 50 guides the oxygen B from the oxygen chamber 20 to the tip crater 40 via the cooling chamber 30. A pipe 60 is provided.
[0015]
Next, details of each component will be described. The combustion gas chamber 10 is surrounded by a partition 12, and the combustion gas A is introduced through the combustion gas passage 11. A partition wall 13 is provided in the combustion gas chamber 10 to constitute a combustion gas pressure equalizing chamber 15 for adjusting the combustion gas A to a uniform pressure. The combustion gas inlet 14 is a guide port for guiding the combustion gas A to the combustion gas pressure equalizing chamber 15. Oxygen B is introduced into the oxygen chamber 20 from the gas passage 21 between the partition 12 and the partition 22 and through the oxygen inlet 23. A cooling medium C such as cooling water or cooling air is introduced into the cooling chamber 30 through a cooling medium introduction passage 31 and is discharged through a cooling medium discharge passage 32.
[0016]
A first pipe 50 is provided from the combustion gas pressure equalizing chamber 15 of the combustion gas chamber 10 to penetrate through the oxygen chamber 20 and the cooling chamber 30 to the tip crater portion 40, and the combustion gas A flows from the combustion gas pressure equalizing chamber 15 to the tip crater. It is configured to lead to the unit 40. A second pipe 60 penetrating from the oxygen chamber 20 to the tip crater part 40 through the cooling chamber 30 is provided, and is configured to guide the combustion gas A from the oxygen chamber 20 to the tip crater part 40. The diameter of the second pipe 60 through which the oxygen B passes is made larger than the diameter of the first pipe 50 through which the combustion gas A passes, in order to prevent oxygen deficiency when the flame is generated at the tip crater 40.
[0017]
Next, the operation of the cooling-type heating burner according to the first embodiment of the present invention will be described. The combustion gas A is introduced into the combustion gas chamber 10 through the combustion gas passage 11, and is guided from the combustion gas inlet 14 to the combustion gas pressure equalizing chamber 15. Then, the combustion gas A is adjusted to a substantially uniform pressure in the combustion gas pressure equalizing chamber 15, and is guided to the tip crater 40 via the cooling chamber 30 through the first pipe 50. Oxygen B is introduced into the oxygen chamber 20 from the gas passage 21 through the space between the partition 12 and the partition 22 and the oxygen inlet 23. Then, the oxygen B is guided to the tip crater 40 via the cooling chamber 30 through the second pipe 60. Further, a cooling medium C such as cooling water or cooling air is introduced from the cooling medium introduction passage 31 into the cooling chamber 30 and discharged through the cooling medium discharge passage 32.
[0018]
Combustion gas A discharged from the tip crater 40 through the first pipe 50 and oxygen B discharged from the tip crater 40 through the second pipe 60 combine to form a flame, but the tip crater 40 is directly connected to the cooling chamber 30. Since it is in contact, the tip crater of the first pipe 50, which is the discharge port of the combustion gas A, and the tip crater of the second pipe 60, which is the discharge port of oxygen B, are constantly cooled, and the damage and consumption of the crater due to heating are reduced. It can be significantly reduced.
[0019]
In the description of the first embodiment, the combustion gas chamber 10, the oxygen chamber 20, and the cooling chamber 30 are configured in a plurality of stages in this order, and the combustion gas chamber 10 passes through the oxygen chamber 20 and the cooling chamber 30. Although the first pipe 50 that guides the combustion gas A to the tip crater part 40 and the second pipe 60 that guides the oxygen B from the oxygen chamber 20 through the cooling chamber 30 to the tip crater part 40 are shown. An oxygen chamber, a combustion gas chamber, and a cooling chamber are arranged in a plurality of stages in this order, and a relatively narrow pipe that guides the combustion gas A from the combustion gas chamber through the cooling chamber to the tip crater portion; A relatively wide pipe may be provided for guiding oxygen B from the oxygen chamber via the combustion gas chamber and the cooling chamber to the tip crater.
[0020]
Further, in the description of the first embodiment, as shown in FIG. 1 (b), the tip crater portion 40 has a circular shape, but may have a polygonal shape or the like.
[0021]
Embodiment 2 FIG.
In the first embodiment, the tip crater is formed on the end face of the cooling chamber, and the cooling medium C is introduced into the cooling chamber. In the present embodiment, the tip crater is formed on the end face of the cooling chamber. At the same time, oxygen or combustion gas is introduced into the cooling chamber instead of the cooling medium C.
[0022]
Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. 2 (a) and 2 (b) are a side sectional view and a front view showing a cooling-type heating burner according to Embodiment 2 of the present invention.
[0023]
In FIG. 2, the main components of the cooling-type heating burner according to the present embodiment include a cooling chamber 35 for introducing oxygen B for cooling, an oxygen chamber 20 for introducing oxygen B from the cooling chamber 35, LPG, hydrogen, and the like. And a combustion gas chamber 10 for introducing the combustion gas A in a plurality of stages in a cascade. The first pipe 50 guides the combustion gas A from the combustion gas chamber 10 through the cooling chamber 35 to the tip crater 40, and guides the oxygen B from the oxygen chamber 20 through the cooling chamber 35 to the tip crater 40. A second pipe 60 is provided.
[0024]
Next, details of each component will be described. The combustion gas chamber 10 is surrounded by a partition 12, and the combustion gas A is introduced through the combustion gas passage 11. A partition wall 13 is provided in the combustion gas chamber 10 to constitute a combustion gas pressure equalizing chamber 15 for adjusting the combustion gas A to a uniform pressure. The combustion gas inlet 14 is a guide port for guiding the combustion gas A to the combustion gas pressure equalizing chamber 15. The oxygen chamber 20 and the cooling chamber 35 are also isolated from each other by the partition 12.
[0025]
The oxygen B is led from the oxygen gas passage 21 to the oxygen inlet 26 through the space between the partition 12 and the outer wall 22, and is introduced into the cooling chamber 35. The oxygen inlet 26 is provided at a position close to the tip crater 40 of the cooling chamber 35. Further, a passage 70 is provided in a partition wall between the cooling chamber 35 and the oxygen chamber 20, and oxygen B introduced into the cooling chamber 35 is guided to the oxygen chamber 20.
[0026]
A first pipe 50 is provided from the combustion gas equalizing chamber 15 of the combustion gas chamber 10 to penetrate the tip crater portion 40 through the oxygen chamber 20 and the cooling chamber 35, and the combustion gas A flows from the combustion gas equalizing chamber 15 to the tip crater. It is configured to lead to the unit 40. A second pipe 60 penetrating from the oxygen chamber 20 to the tip crater part 40 through the cooling chamber 35 is provided, and is configured to guide oxygen B from the oxygen chamber 20 to the tip crater part 40. The diameter of the second pipe 60 through which the oxygen B passes is made larger than the diameter of the first pipe 50 through which the combustion gas A passes, in order to prevent oxygen deficiency when the flame is generated at the tip crater 40.
[0027]
Next, the operation of the cooling-type heating burner according to the second embodiment of the present invention will be described. The combustion gas A is introduced into the combustion gas chamber 10 through the combustion gas passage 11, and is guided from the combustion gas inlet 14 to the combustion gas pressure equalizing chamber 15. Then, the combustion gas A is adjusted to a substantially uniform pressure in the combustion gas pressure equalizing chamber 15, and is guided to the tip crater 40 via the first pipe 50 via the cooling chamber 35. On the other hand, oxygen B is introduced from the oxygen gas passage 21 between the partition wall 12 and the outer wall 22 and through the oxygen inlet 26 near the tip crater 40 of the cooling chamber 35. Here, since the oxygen introduced from the oxygen gas passage 21 is generally a compressed low-temperature gas, it serves to cool the end face of the cooling chamber 35 on the tip end side.
[0028]
Then, the oxygen B introduced into the cooling chamber 35 is introduced into the oxygen chamber 20 through a passage 70 provided in a partition wall between the cooling chamber 35 and the oxygen chamber 20. Thereafter, the oxygen B is guided from the oxygen chamber 20 through the second pipe 60 to the tip crater 40 via the cooling chamber 35.
[0029]
The combustion gas A discharged from the tip crater 40 through the first pipe 50 and the oxygen B discharged from the tip crater 40 through the second pipe 60 combine to form a flame, but the tip crater 40 is directly connected to the cooling chamber 35. Since it is in contact, the tip crater of the first pipe 50, which is the discharge port of the combustion gas A, and the tip crater of the second pipe 60, which is the discharge port of oxygen B, are constantly cooled, and the damage and consumption of the crater due to heating are reduced. It can be significantly reduced.
[0030]
In addition, since the oxygen B introduced into the cooling chamber 35 is heated and heated at the end of the crater end of the cooling chamber 35, the temperature of the oxygen B discharged through the oxygen chamber 20 and the second pipe 60 also increases, and The formation is smooth.
[0031]
In the description of the second embodiment, the combustion gas chamber 10, the oxygen chamber 20, and the cooling chamber 35 are configured in a plurality of stages in this order, and oxygen B is introduced near the tip end of the cooling chamber 35. A first pipe 50 for further introducing oxygen B introduced into the cooling chamber 35 into the oxygen chamber, and leading the combustion gas A from the combustion gas chamber 10 through the oxygen chamber 20 and the cooling chamber 35 to the tip crater part 40; Although the one provided with the second pipe 60 which leads the oxygen B from the oxygen chamber 20 through the cooling chamber 35 to the tip crater part 40 is shown, the oxygen chamber, the combustion gas chamber, and the cooling chamber are plurally arranged in this order. The combustion gas A is introduced into the vicinity of the tip end of the cooling chamber, the combustion gas A introduced into the cooling chamber is further introduced into the combustion gas chamber, and the combustion gas from the combustion gas chamber passes through the cooling chamber. Combustion from oxygen chamber with relatively narrow pipe leading A to tip crater Via the scan room and the cooling chamber may be one oxygen B with a relatively wide pipe leading to the tip crater portion.
[0032]
【The invention's effect】
As described above, according to the first and second aspects of the present invention, the tip of the combustion gas A and the oxygen B is formed at the end face of the cooling chamber into which the cooling medium C is introduced, and the combustion gas A is cooled. And a second pipe through which the oxygen B penetrates the cooling chamber and guides the oxygen B to the tip crater, so that the tip crater of the first pipe which is the discharge port of the combustion gas A is provided. In addition, the tip crater of the second pipe, which is a discharge port of oxygen B, is constantly cooled, so that damage and wear of the crater due to heating can be significantly reduced.
[0033]
According to the third and fourth aspects of the present invention, in addition to the above effects, the structure of the heating burner itself can be simplified.
[0034]
According to the fifth and sixth aspects of the present invention, the tip of the combustion gas A and the oxygen B is formed at the end face of the cooling chamber, and the oxygen B or the combustion gas A is formed near the tip of the cooling chamber. A pipe was provided for introducing the oxygen B or the combustion gas A introduced into the cooling chamber to the oxygen chamber or the combustion gas chamber, and guiding the combustion gas A and the oxygen B to the tip crater through the cooling chamber. Therefore, the tip crater of the pipe, which is the discharge port of the combustion gas A and the oxygen B, is constantly cooled, so that damage and wear of the crater due to heating can be significantly reduced. Further, the oxygen B or the combustion gas A introduced into the cooling chamber is heated by the flame generated at the tip crater, and the temperature of the oxygen B or the combustion gas discharged through the pipe is also increased, so that the formation of the flame becomes smooth. . Further, the cooling medium C is not required.
[Brief description of the drawings]
FIG. 1 is a side sectional view and a front view showing a cooling-type heating burner according to Embodiment 1 of the present invention.
FIG. 2 is a side sectional view and a front view showing a cooling-type heating burner according to Embodiment 2 of the present invention.
[Explanation of symbols]
A combustion gas, B oxygen, C cooling medium, 10 combustion gas chamber, 20 oxygen chamber, 30, 35 cooling chamber, 40 tip crater, 50 first pipe, 60 second pipe.

Claims

A cooling chamber into which a cooling medium C is introduced; a tip crater portion of combustion gas A and oxygen B formed at an end face of the cooling chamber; And a second pipe that guides oxygen B through the cooling chamber to the tip crater.

A combustion gas chamber into which the combustion gas A is introduced, an oxygen chamber into which the oxygen B is introduced, and a cooling chamber into which the cooling medium C is introduced, and a tip crater of the combustion gas A and the oxygen B at an end face of the cooling chamber. And a first pipe for passing combustion gas A from the combustion gas chamber to the cooling chamber to the tip crater portion, and passing oxygen B from the oxygen chamber to the tip of the cooling chamber through the cooling chamber. A cooling heating burner comprising a second pipe leading to a crater.

The cooling-type heating burner according to claim 2, wherein the combustion gas chamber, the oxygen chamber, and the cooling chamber are configured in a plurality of stages in tandem in this order.

The cooling-type heating burner according to claim 2, wherein the oxygen chamber, the combustion gas chamber, and the cooling chamber are configured in a plurality of stages in tandem in this order.

A combustion gas chamber in which the combustion gas A is introduced, an oxygen chamber in which the oxygen B is introduced, and a cooling chamber in which the oxygen B is introduced are configured in a plurality of stages in this order,
A tip crater portion of the combustion gas A and oxygen B is formed on an end surface of the cooling chamber, oxygen B is introduced near the tip crater portion of the cooling chamber, and the oxygen B introduced into the cooling chamber is further transferred to the oxygen chamber. With the introduction,
A first pipe for leading the combustion gas A from the combustion gas chamber through the oxygen chamber and the cooling chamber to the tip crater, and a first pipe for leading the oxygen B from the oxygen chamber through the cooling chamber to the tip crater. A cooled burner comprising two pipes.

An oxygen chamber into which oxygen B is introduced, a combustion gas chamber into which combustion gas A is introduced, and a cooling chamber into which combustion gas A is introduced are configured in a plurality of stages in this order,
A tip crater portion of the combustion gas A and oxygen B is formed at an end face of the cooling chamber, and a combustion gas A is introduced near the tip crater portion of the cooling chamber, and the combustion gas A introduced into the cooling chamber is further subjected to the combustion. Introduce into the gas chamber,
A second pipe that guides oxygen B from the oxygen chamber through the combustion gas chamber and the cooling chamber to the tip crater, and guides the combustion gas B from the combustion gas chamber through the cooling chamber to the tip crater; A cooling burner comprising a first pipe.