KR200261877Y1 - Burner for ignition of exhaust gas of stack - Google Patents

Burner for ignition of exhaust gas of stack Download PDF

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Publication number
KR200261877Y1
KR200261877Y1 KR2019970030708U KR19970030708U KR200261877Y1 KR 200261877 Y1 KR200261877 Y1 KR 200261877Y1 KR 2019970030708 U KR2019970030708 U KR 2019970030708U KR 19970030708 U KR19970030708 U KR 19970030708U KR 200261877 Y1 KR200261877 Y1 KR 200261877Y1
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South Korea
Prior art keywords
ignition
air
stack
air supply
supply pipe
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KR2019970030708U
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Korean (ko)
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KR19990017261U (en
Inventor
정현모
이석현
오현환
정연태
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이구택
포항종합제철 주식회사
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Priority to KR2019970030708U priority Critical patent/KR200261877Y1/en
Publication of KR19990017261U publication Critical patent/KR19990017261U/en
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Publication of KR200261877Y1 publication Critical patent/KR200261877Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
    • 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
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • 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
    • F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
    • 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
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2207/00—Ignition devices associated with burner

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)

Abstract

본 고안은 연돌의 배출가스 점화용 버너에 관한 것으로, 특히 연돌(30)의 외주면 일측에 부착되면서 상단부가 상기 연돌(30)측으로 절곡되는 공기공급관(2)과; 상기 공기공급관(2)의 하단에 나합되고, 외주면에 다수의 공기흡입구(16)가 원주방향으로 형성되는 공기조절변(6)과; 연소통(1)에 내장되면서 하단부가 상기 공기공급관(2)의 상단에 삽입되고, 중앙에 연료노즐(14)이 형성되며, 상부에 보염기(12)가 부착되고, 하부에 다수의 공기노즐(13)이 원주방향으로 형성되는 노즐(9)과; 상기 공기조절변(6)에 관통되면서 상기 공기공급관(2)에 내장되고, 상단이 상기 연료노즐(14)에 삽입되는 연료관(5)과; 상단이 상기 연소통(1)에 삽입되고, 하단이 점화불씨공급변(7)과 압축공기공급변(8) 사이에 연결되는 점화관(3)으로 구성되는 것을 특징으로 하는 연돌의 배출가스 점화용 버너에 관한 것이다.The present invention relates to a burner for ignition exhaust gas of the stack, in particular, the air supply pipe (2) is attached to one side of the outer peripheral surface of the stack 30, the upper end is bent toward the stack (30); An air control valve 6 which is joined to the lower end of the air supply pipe 2 and has a plurality of air intakes 16 formed in the circumferential direction on an outer circumferential surface thereof; The lower end is inserted into the upper end of the air supply pipe (2), the fuel nozzle (14) is formed in the center, the injector (12) is attached to the upper part, and the plurality of air nozzles are attached to the lower part of the combustion cylinder (1). A nozzle 9 in which the 13 is formed in the circumferential direction; A fuel pipe 5 embedded in the air supply pipe 2 while penetrating through the air control valve 6 and having an upper end inserted into the fuel nozzle 14; The upper end is inserted into the combustion cylinder (1), the lower end ignition exhaust gas ignition of the stack, characterized in that consisting of an ignition tube (3) connected between the ignition ember supply side (7) and the compressed air supply side (8). It is about a dragon burner.

Description

연돌의 배출가스 점화용 버너Burner for ignition of exhaust gas of stack

본 고안은 연돌의 배출가스 점화용 버너에 관한 것으로, 특히 각종 로에서 발생하는 가연성분의 배출가스를 연돌를 통해 대기로 방출시 유해성분에 의한 대기오염을 방지하기 위하여 연돌상부에서 배출가스를 완전연소시켜 대기로 방출하는 연돌의 배출가스 점화용 버너에 관한 것이다.The present invention relates to a burner for ignition of exhaust gas of a stack, in particular, in order to prevent the air pollution by harmful components when exhaust gas of combustible components generated in various furnaces into the atmosphere through the stack, the exhaust gas from the top of the stack is completely burned. The present invention relates to a burner for igniting flue gas of flue which is discharged to the atmosphere.

일반적으로 연돌을 통해 방출되는 각종로의 배출가스는 전기스파크에 의한 방법과 소형점화버너에 의한 방법에 의해 점화되는데, 이때 주로 사용되는 소형점화버너는 연돌상부에 설치되어 점화장치에 의해 점화되면서 연돌로 배출되는 가연성 유해가스를 연소시키게 된다.In general, the exhaust gas discharged through the stack is ignited by the method of electric spark and the method of the small ignition burner. At this time, the small ignition burner is mainly installed on the stack and ignited by the ignition device. It will burn the flammable harmful gas which is emitted.

여기서 종래의 점화버너는 도1 내지 도3에 도시한 바와같이 연료관(25)의 연료(COG)가 벤튜리관(Venturi Pipe)(24)을 통해 고속으로 분사되면 관내에 부압이 발생되어 공기흡입관(26)을 통해 공기가 흡입된다.Here, in the conventional ignition burner, as shown in FIGS. 1 to 3, when the fuel COG of the fuel pipe 25 is injected at a high speed through the Venturi pipe 24, a negative pressure is generated in the pipe and the air suction pipe Air is sucked in through 26.

그리고 연료와 공기는 공급관(21)에서 혼합되어 노즐(27)을 통해 연소통(20)내로 분사되고, 동시에 점화관(22)에서 불씨가 공급되어 화염이 발생된다.Fuel and air are mixed in the supply pipe 21 and injected into the combustion cylinder 20 through the nozzle 27, and at the same time, embers are supplied from the ignition tube 22 to generate flame.

그러나 종래의 점화버너는 연료량에 비해 공기량이 적어 불완전연소가 발생되고, 노즐(27)이 그 혼합가스의 분출속도가 낮아 화염의 안정성이 떨어지며, 보염의 역할을 연소통구멍(20-1)에서 흡입되는 공기가 하도록 설계되어 있으나, 실제로 연소를 부가적으로 촉진시킬 뿐 보염의 기능을 하지 못한다.However, in the conventional ignition burner, the amount of air is small compared to the amount of fuel, incomplete combustion is generated, and the nozzle 27 has a low blowing speed of the mixed gas, so that the flame stability is lowered. It is designed to be inhaled, but it does not actually function as an additional flame, in addition to further promoting combustion.

또한 종래의 점화버너는 외란에 의해 쉽게 소화되고, 연돌배출가스와의 거리가 멀어 배출가스의 착화가 늦어지면서 폭발음이 발생된다.In addition, the conventional ignition burner is easily extinguished by the disturbance, and the ignition of the exhaust gas is delayed because the distance from the flue-gas is far, causing an explosion sound.

본 고안은 각종 로에서 발생하는 가연성분의 배출가스를 대기로 배출하는 연돌의 상부에 설치되어 화염의 보염와 배출가스의 착화가 우수한 연돌의 배출가스 점화용 버너를 제공함에 그 목적이 있다.The object of the present invention is to provide a burner for ignition of the exhaust gas of the flue which is installed in the upper part of the stack to discharge the exhaust gas of the combustible components generated in various furnaces to the atmosphere.

도1은 종래의 점화용 버너가 장착된 연돌을 나타내는 개략도,1 is a schematic view showing a stack equipped with a conventional ignition burner;

도2는 종래의 연돌의 배출가스 점화용 버너중 노즐을 나타내는 사시도,2 is a perspective view showing a nozzle in a burner for ignition of exhaust gas of a conventional stack;

도3은 종래의 연돌의 배출가스 점화용 버너의 연소통 내에서의 유체흐름을 나타내는 개략도,Figure 3 is a schematic diagram showing the fluid flow in the combustion cylinder of the burner for ignition exhaust gas of the conventional stack;

도4는 본 고안에 따른 점화용 버너가 장착된 연돌을 나타내는 개략도,4 is a schematic view showing a stack equipped with an ignition burner according to the present invention;

도5는 본 고안에 따른 점화용 버너중 노즐을 나타내는 사시도,5 is a perspective view showing a nozzle of an ignition burner according to the present invention;

도6은 본 고안에 따른 점화용 버너의 연소통 내에서의 유체흐름을 나타내는 개략도,Figure 6 is a schematic diagram showing the fluid flow in the combustion cylinder of the ignition burner according to the present invention,

도7은 본 고안에 따른 점화용 버너중 공기조절변을 나타내는 사시도이다.7 is a perspective view showing an air control valve of the ignition burner according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1: 연소통 2: 공기공급관 3: 점화관 5: 연료관 6: 공기조절변 7: 점화불씨공급변 8: 압축공기공급변 9: 노즐 10: 연소통구멍 12: 보염기 13: 공기노즐 14: 연료노즐 16: 공기흡입구 19: 점화기 20: 연소통 21: 공급관 22: 점화관 23: 온도센서관 24: 벤튜리관 25: 연료관 26: 공기흡입관 27: 노즐 27-1: 혼합가스노즐 27-2: 센서삽입구 30: 연돌DESCRIPTION OF SYMBOLS 1: Combustion cylinder 2: Air supply line 3: Ignition tube 5: Fuel line 6: Air control valve 7: Ignition ember supply valve 8: Compressed air supply valve 9: Nozzle 10: Combustion cylinder hole 12: Flame | steam 13: Air nozzle 14 : Fuel Nozzle 16: Air Inlet 19: Igniter 20: Combustion Cylinder 21: Supply Pipe 22: Ignition Tube 23: Temperature Sensor Tube 24: Venturi Tube 25: Fuel Tube 26: Air Intake Tube 27: Nozzle 27-1: Mixed Gas Nozzle 27- 2: sensor insertion hole 30: stack

상기한 목적을 달성하기 위하여 본 고안은 연돌의 외주면 일측에 부착되면서 상단부가 상기 연돌측으로 절곡되는 공기공급관과; 상기 공기공급관의 하단에 나합되고, 외주면에 다수의 공기흡입구가 원주방향으로 형성되는 공기조절변과; 연소통에 내장되면서 하단부가 상기 공기공급관의 상단에 삽입되고, 중앙에 연료노즐이 형성되며, 상부에 보염기가 부착되고, 하부에 다수의 공기노즐이 원주방향으로 형성되는 노즐과; 상기 공기조절변에 관통되면서 상기 공기공급관에 내장되고, 상단이 상기 연료노즐에 삽입되는 연료관과; 상단이 상기 연소통에 삽입되고, 하단이 점화불씨공급변과 압축공기공급변 사이에 연결되는 점화관으로 구성되는 것을 특징으로 하는 연돌의 배출가스 점화용 버너를 제공한다.In order to achieve the above object, the present invention is attached to one side of the outer peripheral surface of the stack while the upper end of the air supply pipe bent to the stack; An air control valve which is joined to a lower end of the air supply pipe and has a plurality of air inlets formed in an circumferential direction on an outer circumferential surface thereof; A nozzle having a lower end portion inserted into an upper end of the air supply pipe, a fuel nozzle formed at a center thereof, a flame detector attached at an upper portion thereof, and a plurality of air nozzles formed at a lower portion thereof in a circumferential direction; A fuel pipe inserted into the air supply pipe while penetrating the air control valve, and having an upper end inserted into the fuel nozzle; The upper end is inserted into the combustion cylinder, the lower end provides a burner for ignition exhaust gas ignition, characterized in that composed of an ignition tube connected between the ignition ember supply side and the compressed air supply side.

도면을 참조하여 본 고안의 구성을 설명한다.The configuration of the present invention will be described with reference to the drawings.

도4는 본 고안에 따른 점화용 버너가 장착된 연돌을 나타내는 개략도이고, 도5는 본 고안에 따른 점화용 버너가중 노즐을 나타내는 사시도이며, 도6은 본 고안에 따른 점화용 버너의 연소통 내에서의 유체흐름을 나타내는 개략도이고, 도7은 본 고안에 따른 점화용 버너중 공기조절변을 나타내는 사시도이다.Figure 4 is a schematic diagram showing a stack with an ignition burner according to the present invention, Figure 5 is a perspective view showing a ignition burner weight nozzle according to the present invention, Figure 6 is a combustion cylinder of the ignition burner according to the present invention Figure 7 is a schematic diagram showing the fluid flow in the interior, Figure 7 is a perspective view showing the air control valve of the ignition burner according to the present invention.

연돌(30)의 외주면 일측에 수직으로 부착되는 공기공급관(2)은 상단부가 연돌측으로 약 30。가량 절곡되어 있고, 그 상단이 연소통(1)에 삽입 내장되어 있으며, 하단에 공기조절변(6)이 나합되어 있다.Air supply pipe (2) attached vertically to one side of the outer peripheral surface of the chimney 30, the upper end is bent about 30 degrees toward the chimney side, the upper end is inserted into the combustion cylinder (1), the air control valve ( 6) is combined.

여기서 공기조절변(6)은 중단에 원주방향으로 4개의 공기흡입구(16)가 형성되어 있고, 바닥면 중앙에 연료관(5)이 수직 관통하는 관통홀(6-1)이 형성되어 있다.Here, the air control valve 6 has four air inlets 16 formed in the circumferential direction at the middle of the suspension, and a through hole 6-1 through which the fuel pipe 5 vertically penetrates is formed at the center of the bottom surface.

따라서 공기조절변(6)을 돌려서 상향 이동시키면 공기흡입구(16)가 공기공급관(2)에 의해 막히면서 공기공급관으로의 공기흡입이 차단되고, 반대로 공기조절변을 하강되도록 돌리면 공기흡입구가 공기공급관의 하단으로부터 벗어나면서 개방된다.Therefore, if the air control valve 6 is moved upward, the air inlet 16 is blocked by the air supply pipe 2, and the air intake to the air supply pipe is blocked. On the contrary, when the air control valve is turned down, the air inlet port of the air supply pipe is lowered. Opening away from the bottom.

이때 연료(COG)가 공급되는 연료관(5)은 공기조절변(6)의 관통홀(6-1)을 통해 공기공급관(2)에 내장되어 그 상단이 연소통(1)에 삽입 내장된다.At this time, the fuel pipe 5 to which the fuel COG is supplied is embedded in the air supply pipe 2 through the through hole 6-1 of the air control valve 6, and an upper end thereof is inserted into the combustion cylinder 1. .

그리고 연소통(1)에 내장되면서 공기공급관(2)과 연료관(5)의 상단에 결합되는 노즐(9)은 중앙에 연료노즐(14)이 동일 축방향으로 형성되어 있고, 상부에 깔때기형상의 보염기(12)가 부착되어 있으며, 하부에 연료노즐의 바깥쪽에 위치하도록 원주방향으로 8개의 공기노즐(13)이 형성되어 있다.The nozzle 9 coupled to the upper end of the air supply pipe 2 and the fuel pipe 5 while being embedded in the combustion cylinder 1 has a fuel nozzle 14 formed in the same axial direction at the center thereof, and has a funnel shape at the top thereof. The injector 12 is attached, and eight air nozzles 13 are formed in the circumferential direction so as to be located outside the fuel nozzle.

여기서 연료노즐(14)의 하부에는 연료관(5)의 상단이 삽입되어 있고, 공기공급관(2)은 상단이 노즐(9)의 하단에 외장 결합되어 있다.The upper end of the fuel pipe (5) is inserted into the lower portion of the fuel nozzle 14, the upper end of the air supply pipe (2) is externally coupled to the lower end of the nozzle (9).

한편 공기공급관(2)의 후방측에 고정 설치되는 점화관(3)은 상단이 연소통(1)에 삽입 내장되어 있고, 하단이 점화불씨공급변(7)과 압축공기공급변(8) 사이에 연결되어 있으며, 이 점화불씨공급변은 점화기(19)의 불씨공급을 개폐하게 된다.On the other hand, the ignition tube (3) fixed to the rear side of the air supply pipe (2) has an upper end inserted into the combustion cylinder (1), the lower end between the ignition ember supply side (7) and the compressed air supply side (8) It is connected to, the ignition ember supply side is to open and close the ember supply of the igniter (19).

이하 본 고안의 작용을 설명한다.Hereinafter will be described the operation of the present invention.

연료관(5)으로부터 가스가 공급되어 연료노즐(14)에서 고속 분사시 연소통(1) 내부의 밀도차에 의한 부압이 발생되고, 이 연소통의 부압에 의해 공기조절변(6)으로부터 공기가 흡입되어 공기노즐(13)을 통해 연소통내로 분사된다.When gas is supplied from the fuel pipe 5 and underpressure is generated by the fuel nozzle 14 at high speed, negative pressure is generated due to the density difference inside the combustion cylinder 1, and the air from the air control valve 6 is caused by the negative pressure of the combustion cylinder 14. Is sucked and injected into the combustion cylinder through the air nozzle (13).

그리고 연소통(1)에서 연료와 공기가 혼합되면서 점화관(3)으로부터 공급되는 불씨에 의해 점화되고, 공기노즐(13)로부터 분사되는 공기는 접시형보염기(12)의 하면에 부디치면서 방사상으로 확산되는 동시에 접시형보염기(12)의 상부에서 와류가 형성된다.In addition, the fuel and air are mixed in the combustion cylinder 1 and ignited by the embers supplied from the ignition tube 3, and the air injected from the air nozzle 13 is radially attached to the lower surface of the dish-shaped flame sprayer 12. At the same time, a vortex is formed at the top of the dish-shaped base 12.

따라서 보염기(12)의 상부에서 발생되는 공기의 와류에 의해 그 주위에 부압이 발생되고, 연료노즐(14)상에서 발생되는 화염은 보염기의 상면을 따라 발생되는 와류에 의한 부압을 메꾸기 위하여 접시형보염기(12)에 밀착되어 보염된다.Therefore, a negative pressure is generated around the air by the vortex of air generated in the upper portion of the flame reinforcement 12, and the flame generated on the fuel nozzle 14 is used to fill the negative pressure due to the vortex generated along the upper surface of the flame retarder. It is in close contact with the mold base 12 and is inflamed.

이때 연소통(1)의 화염은 연돌(30) 측으로 30。기우러진 상태로 형성되기 때문에 연돌의 배출가스에 쉽게 착화된다.At this time, since the flame of the combustion cylinder 1 is formed inclined 30 degrees toward the stack 30, it is easily ignited by the exhaust gas of the stack.

한편 초기 점화작업시 점화불씨공급변(7)만을 열어 점화관(3)을 통해 점화기(19)의 불씨를 연소통(1)에 공급하다가, 조업중 인위적인 외란(질소통입 등)이 발생되면 압축공기공급변(8)을 개방하여 연소통에 압축공기를 공급함으로써 외란에도 소화되지 않도록 화염을 강하게 한다.Meanwhile, during the initial ignition operation, only the ignition ignition supply valve 7 is opened to supply the ignition 19 of the igniter 19 to the combustion cylinder 1 through the ignition tube 3, and when artificial disturbance (nitrogen flow, etc.) occurs during operation. Opening the compressed air supply valve (8) to supply compressed air to the combustion cylinder to strengthen the flame so as not to be extinguished even in disturbance.

본 고안은 화염의 보염이 우수하여 외란에 의한 소화를 방지할 수 있고, 상단부를 연돌측으로 경사지게 형성함으로써 배출가스착화가 용이하게 이루어지고, 이로써 연돌의 배출가스를 완전연소시킴으로써 대기오염을 방지할 수 있는 효과를 제공한다.The present invention is excellent in flame flames to prevent extinguishing due to disturbance, and by forming the upper end inclined toward the stack side, it is easy to ignite the exhaust gas, thereby preventing the air pollution by completely burning the exhaust gas of the stack. Provide the effect.

Claims (1)

연돌(30)의 외주면 일측에 부착되면서 상단부가 상기 연돌(30)측으로 절곡되는 공기공급관(2)과;An air supply pipe (2) attached to one side of an outer circumferential surface of the stack (30) and having an upper end bent toward the stack (30); 상기 공기공급관(2)의 하단에 나합되고, 외주면에 다수의 공기흡입구(16)가 원주방향으로 형성되는 공기조절변(6)과;An air control valve 6 which is joined to the lower end of the air supply pipe 2 and has a plurality of air intakes 16 formed in the circumferential direction on an outer circumferential surface thereof; 연소통(1)에 내장되면서 하단부가 상기 공기공급관(2)의 상단에 삽입되고, 중앙에 연료노즐(14)이 형성되며, 상부에 보염기(12)가 부착되고, 하부에 다수의 공기노즐(13)이 원주방향으로 형성되는 노즐(9)과;The lower end is inserted into the upper end of the air supply pipe (2), the fuel nozzle (14) is formed in the center, the injector (12) is attached to the upper part, and the plurality of air nozzles are attached to the lower part of the combustion cylinder (1). A nozzle 9 in which the 13 is formed in the circumferential direction; 상기 공기조절변(6)에 관통되면서 상기 공기공급관(2)에 내장되고, 상단이 상기 연료노즐(14)에 삽입되는 연료관(5)과;A fuel pipe 5 embedded in the air supply pipe 2 while penetrating through the air control valve 6 and having an upper end inserted into the fuel nozzle 14; 상단이 상기 연소통(1)에 삽입되고, 하단이 점화불씨공급변(7)과 압축공기공급변(8) 사이에 연결되는 점화관(3)으로 구성되는 것을 특징으로 하는 연돌의 배출가스 점화용 버너.The upper end is inserted into the combustion cylinder (1), the lower end ignition exhaust gas ignition of the stack, characterized in that consisting of an ignition tube (3) connected between the ignition ember supply side (7) and the compressed air supply side (8). Dragon burner.
KR2019970030708U 1997-10-31 1997-10-31 Burner for ignition of exhaust gas of stack KR200261877Y1 (en)

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