KR100356236B1 - A burner of gas boiler - Google Patents

A burner of gas boiler Download PDF

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Publication number
KR100356236B1
KR100356236B1 KR1020000040571A KR20000040571A KR100356236B1 KR 100356236 B1 KR100356236 B1 KR 100356236B1 KR 1020000040571 A KR1020000040571 A KR 1020000040571A KR 20000040571 A KR20000040571 A KR 20000040571A KR 100356236 B1 KR100356236 B1 KR 100356236B1
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KR
South Korea
Prior art keywords
guide
venturi pipe
fuel
air
chamber portion
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KR1020000040571A
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Korean (ko)
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KR20020006960A (en
Inventor
최진민
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최성환
최영환
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Publication of KR100356236B1 publication Critical patent/KR100356236B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/70—Baffles or like flow-disturbing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/007—Mixing tubes, air supply regulation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)

Abstract

본 발명은 가스보일러에 사용되는 버너에 관한 것으로, 벤츄리파이프(51) 내부에 다수의 가이드날개(53a)를 갖춘 와류발생용 가이드부재(53)가 구비되어, 공기와 분사연료가 염공부재(52)의 내부공간(52e)을 향해서 벤츄리파이프(51) 내부를 흐르면서 1차적으로 혼합된 후, 와류발생용 가이드부재(53)의 가이드날개(53a) 사이의 혼합가스 유도로(53b)를 통과하면서 2차적으로 혼합되므로, 염공부재(52) 내부공간(52e)의 혼합가스가 전체적으로 균일하면서 고르게 혼합되도록 된 것이다.The present invention relates to a burner used in a gas boiler, and is provided with a vortex generating guide member (53) having a plurality of guide vanes (53a) inside the venturi pipe (51), so that the air and the injection fuel are flamed members ( After mixing primarily while flowing the inside of the venturi pipe 51 toward the internal space 52e of the 52, it passes through the mixed gas guide path 53b between the guide vanes 53a of the vortex generating guide member 53. While being mixed secondarily, the mixed gas of the salt hole member 52 internal space 52e is to be uniformly and evenly mixed as a whole.

Description

가스보일러의 버너{A burner of gas boiler}A burner of gas boiler

본 발명은 가스보일러에 사용되는 버너에 관한 것으로, 연료와 공기가 상호 만족스럽게 혼합되어, 버너의 연소효율이 향상되고, 배기가스중의 유해가스 함유량이 감소되도록 하는 가스보일러의 버너에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burner used in a gas boiler, and relates to a burner of a gas boiler in which fuel and air are mixed satisfactorily to improve the combustion efficiency of the burner and reduce the harmful gas content in the exhaust gas.

주지된 바와 같이, 연소식 보일러중 하나인 가스보일러는 LNG나, LPG등의 액화가스를 연료로 사용하는 것으로, 일반적으로 등유 등의 액상연료를 사용하는 보일러에 비해서 연소효율이 높고 연료취급이 간편하여 널리 사용되고 있다.As is well known, a gas boiler, one of combustion boilers, uses liquefied gas such as LNG or LPG as fuel, and has a higher combustion efficiency and easier fuel handling than a boiler using liquid fuel such as kerosene. It is widely used.

도 1은 가스보일러의 일예를 개략적으로 도시한 도면으로서, 하향연소식 가스보일러의 요부 부분단면도이고, 도 2는 종래 기술에 따른 버너를 도시한 도면인 바, 이를 참고하여 종래 버너를 갖춘 가스보일러의 연소 및 열교환에 대해서 개략적으로 설명해 보면, 우선 가스보일러를 가동시키면, 배기용 팬(90)이 작동되어, 프론트커버(20)의 공기유입 쳄버부(21)를 통해서 외부 공기가 유입되는데, 이중에서 일부분의 외부 공기는, 2차공기확산판(40)의 공기확산구멍(40a) → 제1열교환라인(71) → 후연소쳄버부(81) → 제2열교환라인(72) → 배기후드(82)를 따라서 흐른 후에, 배기구(100)를 통해서 외부로 배출되는 한편, 다른 일부분의 외부 공기는, 버너(50)를 구성하는 벤츄리파이프(51)의 혼합가스유입 쳄버부(51a)로 유도된다.1 is a view schematically showing an example of a gas boiler, which is a partial cross-sectional view of a partial combustion gas boiler, and FIG. 2 is a view illustrating a burner according to the prior art, with reference to the gas boiler having a conventional burner. In the description of combustion and heat exchange, first, when the gas boiler is operated, the exhaust fan 90 is operated to allow external air to flow through the air inlet chamber 21 of the front cover 20. A part of the external air in the air is diffused through the air diffusion hole 40a of the secondary air diffusion plate 40 → the first heat exchange line 71 → the post combustion chamber portion 81 → the second heat exchange line 72 → the exhaust hood ( After flowing along 82, it is discharged to the outside through the exhaust port 100, while the other part of the external air is led to the mixed gas inlet chamber 51a of the venturi pipe 51 constituting the burner 50. .

또한, 연료공급라인(30)으로부터 연속적으로 공급되는 연료가 프론트커버(20)의 연료유입라인(22)으로 유입된 후 연료분사노즐(23)을 통해서 혼합가스유입 쳄버부(51a)로 분사되어, 혼합가스유입 쳄버부(51a)의 내부로 유도된 공기와, 연료분사노즐(23)로부터 분사된 연료가 벤츄리파이프(51)의 제1확산 쳄버부(51b)와 가이드 쳄버부(51c) 및 제2확산 쳄버부(51d)를 따라서 흐르며 서로 혼합된 후, 염공부재(52)의 내부공간(52e)으로 유입되어 염공부재(52)의 염공(52f)을 통해서 제1열교환라인(71)으로 유출된다.In addition, the fuel continuously supplied from the fuel supply line 30 is introduced into the fuel inlet line 22 of the front cover 20 and then injected into the mixed gas inlet chamber part 51a through the fuel injection nozzle 23. In addition, the air guided into the mixed gas inlet chamber 51a, and the fuel injected from the fuel injection nozzle 23, the first diffusion chamber 51b and the guide chamber 51c of the venturi pipe 51 and After flowing along the second diffusion chamber portion 51d and mixed with each other, the first heat exchange line 71 flows into the inner space 52e of the salt hole member 52 and passes through the salt hole 52f of the salt hole member 52. Out).

이러한 상태에서, 점화기(60)가 작동되어, 염공부재(52)의 염공(52f)을 통해서 유출되는 혼합가스가 점화봉(61)의 스파크에 의해 점화되는데, 상기 버너(50)의 벤츄리파이프(51)로 유도되는 공기는, 연소에 적합한 농도의 혼합가스가 형성되도록, 연료분사노즐(23)로부터 분사되어진 연료와 혼합되고, 또한 2차공기확산판(40)의 공기확산구멍(40a)을 통해서 제1열교환라인(71)으로 유도되는 공기는, 혼합가스가 가능한 한 완전히 연소되도록, 염공부재(52)의 염공(52f)을 통해서 제1열교환라인(71)으로 유출되면서 연소되는 혼합가스와 반응한다.In this state, the igniter 60 is operated, and the mixed gas flowing out through the salt hole 52f of the salt hole member 52 is ignited by the spark of the ignition rod 61, and the venturi pipe of the burner 50 is operated. The air guided to the 51 is mixed with fuel injected from the fuel injection nozzle 23 so that a mixed gas having a concentration suitable for combustion is formed, and the air diffusion hole 40a of the secondary air diffusion plate 40 is provided. The air guided to the first heat exchange line 71 through the mixture is discharged into the first heat exchange line 71 through the salt hole 52f of the salt hole member 52 so that the mixed gas is burned as completely as possible. Reacts with gas

따라서, 버너(50)를 통해 연소되어진 고온의 배기가스는, 제1열교환라인(71) → 후연소쳄버부(81) → 제2열교환라인(72)을 따라 흐르면서 제1열교환쳄버부(73)와 제2열교환쳄버부(74)에 고온의 열에너지를 전도하여, 제1·2열교환쳄버부(73,74)의 난방수를 가열시킨 후 배기후드(82)로 유입되어 배기구(100)를 통해서 외부로 배출된다.Therefore, the high temperature exhaust gas combusted through the burner 50 flows along the first heat exchange line 71 → the post combustion chamber portion 81 → the second heat exchange line 72, and then the first heat exchange chamber portion 73. And conducts high temperature heat energy to the second heat exchange chamber portion 74, heats the heating water of the first and second heat exchange chamber portions 73 and 74, and then flows into the exhaust hood 82 through the exhaust port 100. It is discharged to the outside.

그러나, 상기 종래 기술에 따르면, 연료분사노즐(23)로부터 분사되어진 연료와, 혼합가스유입 쳄버부(51a)로 유도되어진 프론트커버(20)로부터의 공기가 단지 버너(50)의 벤츄리파이프(51)를 따라서 염공부재(52)의 내부공간(52e)으로 유입되는 동안 서로 혼합되도록 되어 있어서, 분사연료와 공기의 혼합이 전체적으로 균일하면서 고르게 이루어지지 못하게 된다.However, according to the prior art, the fuel injected from the fuel injection nozzle 23 and the air from the front cover 20 guided to the mixed gas inlet chamber 51a are merely the venturi pipe 51 of the burner 50. In order to be mixed with each other while flowing into the inner space (52e) of the salt hole member 52, the mixing of the injection fuel and air is not made uniform and even as a whole.

따라서, 혼합가스가 불완전연소되어 연소효율이 저하되고, 배기가스에 일산화탄소(CO)와 질산화물(NOX) 등의 유해가스 함유량이 증가되어 대기가 오염되는 문제가 발생되었다.Therefore, the mixed gas is incompletely burned, and the combustion efficiency is lowered, and the content of harmful gases such as carbon monoxide (CO) and nitrogen oxides (NO X ) is increased in the exhaust gas, resulting in a problem of air pollution.

이에 본 발명은 상기와 같은 문제를 해소하기 위하여 발명된 것으로, 연료와 공기가 상호 만족스럽게 혼합되어, 버너의 연소효율이 향상되고, 배기가스중의 유해가스 함유량이 감소되도록 하는 가스보일러의 버너를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above problems, and the gas boiler burner which satisfactorily mixes fuel and air, improves the combustion efficiency of the burner, and reduces the harmful gas content in the exhaust gas. The purpose is to provide.

도 1은 가스보일러의 일예를 개략적으로 도시한 도면으로서, 하향연소식 가스보일러의 요부 부분단면도,1 is a view schematically showing an example of a gas boiler, a partial cross-sectional view of a main part of a gas combustion boiler,

도 2는 종래 기술에 따른 버너를 도시한 도면,2 shows a burner according to the prior art,

도 3은 본 발명에 따른 버너를 도시한 도면,3 shows a burner according to the invention,

도 4는 도 3에 도시된 와류발생용 가이드부재의 일예를 도시한 사시도이다.4 is a perspective view showing an example of the vortex generation guide member shown in FIG.

- 첨부도면의 주요 부분에 대한 용어설명 --Explanation of terms for the main parts of the accompanying drawings-

10 ; 보일러 본체, 10a ; 밀폐공간,10; Boiler body, 10a; Enclosed Space,

11 ; 밀폐판, 12 ; 제1받침판,11; Sealing plate, 12; First Support Plate,

13 ; 제2받침판, 20 ; 프론트커버,13; Second supporting plate, 20; Front Cover,

21 ; 공기유입 쳄버부, 22 ; 연료유입라인,21; Air inlet chamber section, 22; Fuel inlet line,

23 ; 연료분사노즐, 30 ; 연료공급라인,23; Fuel injection nozzle, 30; Fuel Supply Line,

40 ; 2차공기확산판, 40a ; 공기확산구멍,40; Secondary air diffusion plate, 40a; Air Diffusion Hole,

50 ; 버너, 51 ; 벤츄리파이프,50; Burner, 51; Venturi Pipe,

51a ; 혼합가스유입 쳄버부, 51b ; 제1확산 쳄버부,51a; Mixed gas inlet chamber section, 51b; 1st diffusion chamber,

51c ; 가이드 쳄버부, 51d ; 제2확산 쳄버부,51c; Guide chamber portion, 51d; 2nd diffusion chamber unit,

52 ; 염공부재, 52a ; 다공성 분산판,52; Salt hole member, 52a; Porous dispersion plate,

52b ; 다공성 분산망, 52c ; 가열망 부재,52b; Porous dispersion network, 52c; Heating mesh member,

52d ; 하부 밀폐판. 52e ; 내부공간,52d; Bottom sealing plate. 52e; Interior Space,

52f ; 염공, 53 ; 와류발생용 가이드부재,52f; Salt pit, 53; Guide member for vortex generation,

53a ; 가이드날개, 53b ; 혼합가스 유도로,53a; Guide blade, 53b; Mixed gas induction furnace,

53c ; 첨부(尖部), 60 ; 점화기,53c; Attached, 60; Lighter,

61 ; 점화봉, 70 ; 열교환기,61; Ignition rod, 70; heat transmitter,

71 ; 제1열교환라인, 72 ; 제2열교환라인,71; First heat exchange line, 72; Second heat exchange line,

73 ; 제1열교환쳄버부, 74 ; 제2열교환쳄버부,73; A first heat exchange chamber portion, 74; 2nd heat exchange chamber part,

81 ; 후연소쳄버부, 82 ; 배기후드,81; Post combustion chamber section, 82; Exhaust Hood,

90 ; 배기용 팬, 100 ; 배기구.90; Exhaust fan, 100; Air vent.

상기와 같은 목적을 달성하기 위한 본 발명은, 프론트커버로부터의 공기와, 연료분사노즐로부터의 분사연료가 유입되면서, 이들 공기와 분사연료를 염공부재의 내부공간으로 유도하는 벤츄리파이프와 ; 다수의 염공을 구비하면서 벤츄리파이프의 선단에 연결되어, 내부공간으로 유도되어진 혼합가스가 염공을 통해서 유출되는 염공부재로 이루어진 가스보일러용 버너에 있어서,The present invention for achieving the above object, Venturi pipe for introducing the air from the front cover and the injection fuel from the fuel injection nozzle, the air and the injection fuel into the inner space of the salt hole member; In the gas boiler burner comprising a salt hole member having a plurality of salt holes and connected to the tip of the venturi pipe, the mixed gas introduced into the inner space flows through the salt holes,

상기 벤츄리파이프 내부에 다수의 가이드날개를 갖춘 와류발생용 가이드부재가 구비되어, 염공부재의 내부공간을 향해서 벤츄리파이프 내부를 흐르는 공기와 분사연료가 가이드날개 사이의 혼합가스 유도로를 통과하면서 서로 혼합되는 것을 특징으로 하는 구조로 되어 있다.The vortex generation guide member having a plurality of guide wings is provided in the venturi pipe, and air and injection fuel flowing inside the venturi pipe toward the inner space of the salt hole member are mixed with each other while passing through the mixed gas induction path between the guide wings. It is a structure characterized by the above-mentioned.

이하 본 발명을 첨부된 예시도면에 의거하여 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명에 따른 버너를 도시한 도면으로서, 도 2에 대한 대응도인 바, 종래 기술을 도시한 도 2와 동일한 부위에는 동일한 인출부호를 붙이면서 그 설명은 생략한다.3 is a view illustrating a burner according to the present invention, which is a corresponding diagram of FIG. 2, and the description thereof will be omitted while attaching the same drawing code to the same part as that of FIG. 2.

도 3에 의하면, 본 발명에 따른 버너(50)는, 프론트커버(20)로부터의 공기와, 연료분사노즐(23)로부터의 분사연료가 유입되면서, 이들 공기와 분사연료를 염공부재(52)의 내부공간(52e)으로 유도하는 벤츄리파이프(51)와 ; 다수의 염공(52f)을 구비하면서 벤츄리파이프(51)의 선단에 연결되어, 내부공간(52e)으로 유도되어진 혼합가스가 염공(52f)을 통해서 유출되는 염공부재(52) 및 ; 염공부재(52)의 내부공간(52e)을 향해서 벤츄리파이프(51) 내부를 흐르는 공기와 분사연료가 서로 균일하면서 고르게 혼합되도록, 벤츄리파이프(51) 내부에 설치되는 다수의 가이드날개(53a)를 갖춘 와류발생용 가이드부재(53)로 이루어진 구조로 되어 있다.According to FIG. 3, the burner 50 according to the present invention, while the air from the front cover 20 and the injection fuel from the fuel injection nozzle 23 flow into the air, the flame member 52 Venturi pipe 51 leading to the inner space (52e) of the; A salt hole member 52 having a plurality of salt holes 52f and connected to the front end of the venturi pipe 51 so that the mixed gas introduced into the internal space 52e flows out through the salt holes 52f; A plurality of guide vanes 53a installed inside the venturi pipe 51 to uniformly and evenly mix air flowing in the venturi pipe 51 and the injection fuel toward the inner space 52e of the salt hole member 52. Has a structure consisting of a guide member 53 for generating a vortex with a.

도 3에 도시된 본 실시예의 경우, 상기 벤츄리파이프(51)는, 프론트커버(20)로부터의 공기와, 연료분사노즐(23)로부터의 분사연료가 유입되는 혼합가스유입 쳄버부(51a)와, 혼합가스유입 쳄버부(51a)로부터 멀어질수록 직경이 확대되어지는 제1확산 쳄버부(51b), 직경이 일정하게 유지되는 가이드 쳄버부(51c) 및, 가이드 쳄버부(51c)로부터 멀어질수록 직경이 확대되어지는 제2확산 쳄버부(51d)가 순차적으로 연통되는 구조를 이루는 것이 적용되었고, 와류발생용 가이드부재(53)는 벤츄리파이프(51)의 제2확산 쳄버부(51d) 내부에 설치되었다. 또한, 상기 와류발생용 가이드부재(53)로는, 전체 형상이 원추형태를 이루고, 가이드날개(53a)가 첨부(53c)를 중심으로 등간격을 이루면서 방사상으로 형성되며, 각각의 날개는 동일한 임의의 각을 이루면서 경사지게 형성되어진 것을 이용하였다.In the present embodiment shown in FIG. 3, the venturi pipe 51 includes a mixed gas inlet chamber 51a into which air from the front cover 20 and injection fuel from the fuel injection nozzle 23 are introduced. , The first diffusion chamber portion 51b, the diameter of which is enlarged as it moves away from the mixed gas inflow chamber portion 51a, the guide chamber portion 51c, whose diameter is kept constant, and the distance from the guide chamber portion 51c. The second diffusing chamber portion 51d having an increased diameter is formed to sequentially communicate with each other, and the vortex generating guide member 53 is inside the second diffusing chamber portion 51d of the venturi pipe 51. Was installed on. In addition, the vortex generating guide member 53, the overall shape is in the form of a cone, the guide blade 53a is radially formed at equal intervals around the attachment 53c, each wing is the same arbitrary It was used that was formed obliquely while making an angle.

따라서, 상기 연료공급라인(30)으로부터 연속적으로 공급되는 연료가 프론트커버(20)의 연료유입라인(22)으로 유입된 후 연료분사노즐(23)을 통해서 혼합가스유입 쳄버부(51a)로 분사되어, 혼합가스유입 쳄버부(51a)의 내부로 유도된 공기와, 연료분사노즐(23)로부터 분사된 연료가 벤츄리파이프(51)의 제1확산 쳄버부(51b)와 가이드 쳄버부(51c) 및 제2확산 쳄버부(51d)를 따라서 흐르면서 서로 1차적으로 혼합되면서, 상기 와류발생용 가이드부재(53)의 가이드날개(53a)들 사이의 혼합가스 유도로(53b)를 통과하면서 2차적으로 혼합된 후, 염공부재(52)의 내부공간(52e)으로 유입되어 염공부재(52)의 염공(52f)을 통해서 제1열교환라인(71)으로 유출된다.Therefore, the fuel continuously supplied from the fuel supply line 30 flows into the fuel inflow line 22 of the front cover 20 and then is injected into the mixed gas inflow chamber part 51a through the fuel injection nozzle 23. Thus, the air guided into the mixed gas inflow chamber 51a and the fuel injected from the fuel injection nozzle 23 are supplied to the first diffusion chamber 51b and the guide chamber 51c of the venturi pipe 51. And primarily mixed with each other while flowing along the second diffusion chamber part 51d, while passing through the mixed gas induction path 53b between the guide vanes 53a of the vortex generation guide member 53. After mixing, it flows into the inner space 52e of the salt hole member 52 and flows out to the first heat exchange line 71 through the salt hole 52f of the salt hole member 52.

이러한 상태에서, 점화기(60)가 작동되어, 염공부재(52)의 염공(52f)을 통해서 유출되는 혼합가스가 점화봉(61)의 스파크에 의해 점화되는데, 본 발명에 따르면, 염공부재(52)의 내부공간(52e)으로 유입되는 혼합가스는 공기와 분사연료가 2차적으로 혼합된 상태이므로, 종래 버너에 비해서 공기와 분사연료의 혼합비가 전체적으로 보다 균일하면서 고른 상태를 유지하게 되어, 연소효율이 증가되고, 이에 따라 배기가스의 유해가스 함유량이 감소하게 된다.In this state, the igniter 60 is operated so that the mixed gas flowing out through the salt hole 52f of the salt hole member 52 is ignited by the spark of the ignition rod 61. According to the present invention, the salt hole member Since the mixed gas introduced into the internal space 52e of the 52 is a state in which air and injection fuel are secondaryly mixed, the mixing ratio of air and injection fuel is more uniform and even than the conventional burner as a whole. Combustion efficiency is increased, thereby reducing the harmful gas content of the exhaust gas.

아래의 표 1은 종래 기술에 따른 버너와, 본 발명에 따른 버너의 배기가스중의 유해가스 함유량을 비교한 데이타로서, 이를 참고해 보면, 일산화탄소(CO)와, 질산화물(NOX)들의 함유량이 크게 감소되었음을 알 수 있으며, 배기가스의 유해가스 함유량과 연소효율은 반비례하므로, 종래 기술에 따른 버너에 비해서 본 발명에 따른 버너의 연소효율이 높다는 것을 알 수 있다.Table 1 below is a data comparing the harmful gas content of the burner according to the prior art and the exhaust gas of the burner according to the present invention. Referring to this, carbon monoxide (CO) and nitrogen oxides (NO X ) are significantly increased. It can be seen that, since the harmful gas content and the combustion efficiency of the exhaust gas is inversely proportional, it can be seen that the combustion efficiency of the burner according to the present invention is higher than the burner according to the prior art.

본 발명에 따른 버너Burner according to the invention 종래 기술에 따른 버너Burner according to the prior art [ppm][ppm] R[mg/m3]R [mg / m3] [ppm][ppm] R[mg/m3]R [mg / m3] COCO 44 77 682682 10081008 SO2 SO 2 00 00 00 00 NONO 5555 110110 7676 120120 NO2 NO 2 00 00 00 00 NOX NO X 5555 169169 7676 184184

한편, 본 실시예의 염공부재(52)로는, 다공성 분산판(52a)과, 다공성 분산망(52b)이 2중으로 둘레면을 이루고, 다공성 분산판(52a)의 개구면에는 하부 밀폐판(52d)이 취부되어 염공부재(52)의 내부공간(52e)이 외부와 차단되며, 메탈화이버 재질의 가열망 부재(52c)가 둘레면의 외면을 감싸는 구조를 이루는 것을 사용하였다.On the other hand, as the salt hole member 52 of the present embodiment, the porous dispersion plate 52a and the porous dispersion network 52b form a double circumferential surface, and the lower sealing plate 52d is formed on the opening surface of the porous dispersion plate 52a. ), The inner space 52e of the salt hole member 52 is blocked from the outside, and the heating network member 52c made of metal fiber is used to form a structure surrounding the outer surface of the circumferential surface.

이상 상기한 바와 같은 본 발명에 따르면, 벤츄리파이프 내부에 다수의 가이드날개를 갖춘 와류발생용 가이드부재가 구비되어, 공기와 분사연료가 염공부재의 내부공간을 향해서 벤츄리파이프 내부를 흐르면서 1차적으로 혼합된 후, 와류발생용 가이드부재의 가이드날개 사이의 혼합가스 유도로를 통과하면서 2차적으로 혼합되므로, 염공부재 내부공간의 혼합가스가 전체적으로 균일하면서 고르게 혼합된다.According to the present invention as described above, there is provided a guide member for vortex generation having a plurality of guide wings in the venturi pipe, the air and the injection fuel is primarily mixed while flowing inside the venturi pipe toward the inner space of the salt hole member After the mixing, the mixture is secondaryly passed through the mixed gas induction path between the guide vanes of the vortex generating guide member, so that the mixed gas in the inner space of the salt hole member is uniformly and evenly mixed as a whole.

따라서, 버너의 연소효율이 증가되어 유지비용이 감소되고, 배기가스의 유해가스 함유량이 감소되어 대기오염이 억제되는 효과가 있다.Therefore, the combustion efficiency of the burner is increased, the maintenance cost is reduced, and the harmful gas content of the exhaust gas is reduced, so that air pollution is suppressed.

본 발명은 상기한 바와 같은 실시예에 한정되지 않고 이하의 청구범위를 벗어나지 않는 한도내에서 다양하게 변형될 수 있음은 물론이다.The present invention is not limited to the embodiment as described above, but can be variously modified without departing from the scope of the claims below.

Claims (3)

프론트커버(20)로부터의 공기와, 연료분사노즐(23)로부터의 분사연료가 유입되면서, 이들 공기와 분사연료를 염공부재(52)의 내부공간(52e)으로 유도하는 벤츄리파이프(51)와 ; 다수의 염공(52f)을 구비하면서 벤츄리파이프(51)의 선단에 연결되어, 내부공간(52e)으로 유도되어진 혼합가스가 염공(52f)을 통해서 유출되는 염공부재(52)로 이루어진 가스보일러용 버너에 있어서,Venturi pipe 51 for introducing air from the front cover 20 and injection fuel from the fuel injection nozzle 23 to guide the air and the injection fuel into the inner space 52e of the salt hole member 52. Wow ; For gas boilers having a plurality of salt holes 52f and connected to the front end of the venturi pipe 51, and the mixed gas introduced into the internal space 52e flows out through the salt holes 52f. In the burner, 상기 벤츄리파이프(51) 내부에 다수의 가이드날개(53a)를 갖춘 와류발생용 가이드부재(53)가 구비되어, 염공부재(52)의 내부공간(52e)을 향해서 벤츄리파이프(51) 내부를 흐르는 공기와 분사연료가 가이드날개(53a) 사이의 혼합가스 유도로(53b)를 통과하면서 서로 혼합되는 것을 특징으로 하는 가스보일러용 버너.A vortex generating guide member 53 having a plurality of guide vanes 53a is provided inside the venturi pipe 51 to move the inside of the venturi pipe 51 toward the internal space 52e of the salt hole member 52. A gas boiler burner, wherein the flowing air and the injected fuel are mixed with each other while passing through the mixed gas induction path 53b between the guide vanes 53a. 제 1항에 있어서, 상기 벤츄리파이프(51)는, 프론트커버(20)로부터의 공기와, 연료분사노즐(23)로부터의 분사연료가 유입되는 혼합가스유입 쳄버부(51a)와, 혼합가스유입 쳄버부(51a)로부터 멀어질수록 직경이 확대되어지는 제1확산 쳄버부(51b), 직경이 일정하게 유지되는 가이드 쳄버부(51c) 및, 가이드 쳄버부(51c)로부터 멀어질수록 직경이 확대되어지는 제2확산 쳄버부(51d)가 순차적으로 연통되는 구조를 이루고, 와류발생용 가이드부재(53)가 제2확산 쳄버부(51d)의 내부에 배치되어진 것을 특징으로 하는 가스보일러용 버너.2. The venturi pipe (51) according to claim 1, wherein the venturi pipe (51) includes a mixed gas inlet chamber (51a) into which air from the front cover (20), injection fuel from the fuel injection nozzle (23) flows, and a mixed gas inlet. The diameter increases as the distance from the chamber portion 51a increases from the first diffusion chamber portion 51b, the diameter of which is increased, the guide chamber portion 51c for keeping the diameter constant, and the guide chamber portion 51c. A gas boiler burner, comprising a structure in which a second diffusion chamber portion (51d) is sequentially communicated with each other, and a vortex generation guide member (53) is disposed inside the second diffusion chamber portion (51d). 제 1항 또는 제2항에 있어서, 상기 와류발생용 가이드부재(53)는, 전체 형상이 원추형태를 이루고, 가이드날개(53a)가 첨부(53c)를 중심으로 등간격을 이루면서 방사상으로 형성되며, 각각의 날개는 동일한 임의의 각을 이루면서 경사지게 형성되어진 것을 특징으로 하는 가스보일러용 버너.According to claim 1 or 2, wherein the vortex generating guide member 53, the overall shape is in the form of a cone, the guide blade 53a is formed radially with equal intervals around the attachment (53c) , Each wing is a gas boiler burner, characterized in that formed to be inclined at the same arbitrary angle.
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KR100893904B1 (en) * 2007-10-08 2009-04-21 임석연 Back pressure reducing apparatus using orifice venturi pipe

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CN107837659B (en) * 2017-10-31 2023-07-21 无锡新琛科环境工程技术有限公司 Homogenization guiding turbulent flow flue gas desulfurization ultra-purification device

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KR100893904B1 (en) * 2007-10-08 2009-04-21 임석연 Back pressure reducing apparatus using orifice venturi pipe

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