JPS6233210A - Infrared ray burner - Google Patents

Infrared ray burner

Info

Publication number
JPS6233210A
JPS6233210A JP17216785A JP17216785A JPS6233210A JP S6233210 A JPS6233210 A JP S6233210A JP 17216785 A JP17216785 A JP 17216785A JP 17216785 A JP17216785 A JP 17216785A JP S6233210 A JPS6233210 A JP S6233210A
Authority
JP
Japan
Prior art keywords
burner
air
main body
plate
air passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17216785A
Other languages
Japanese (ja)
Other versions
JPH0320642B2 (en
Inventor
Masao Hattori
服部 正雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daido Kogyo Co Ltd
Original Assignee
Daido Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daido Kogyo Co Ltd filed Critical Daido Kogyo Co Ltd
Priority to JP17216785A priority Critical patent/JPS6233210A/en
Publication of JPS6233210A publication Critical patent/JPS6233210A/en
Publication of JPH0320642B2 publication Critical patent/JPH0320642B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE:To provide a light weight burner unit of less expensive price, promote cooling operation and to enable the prevention of thermal strain by a method wherein a burner main body is formed out of a thin walled steel plate and a cooling air passage is arranged at an outer circumference of the burner main body. CONSTITUTION:An infrared ray burner 1 is provided with a horizontally elongated combustion chamber 2, a combustion plate 3 made of porous ceramic material is arranged at the front surface of a burner main body 1a made by a rectangular steel pipe 25 having a rectangular cross section is provided at an outer circumference. Cooling air sent from air-supplying port 36 to the air passage 26 flows within the air passage along the outer circumference of the burner main body 1a and then flows out to the outer part through through-holes 37 the through-holes 38 in sequence. While the air passes through the air passage 26, the side surfaces of the burner main body 1 are cooled. The air flowing out of the through-holes 37 will cool a guide plate 27 and the air flowing out of the through-holes 38 will cool the rear surface of the burner main body 1a and the side surfaces of the mixing gas chamber 5. The burner is formed out of a thin-walled steel plate, thereby making a light weight burner; thus, a cooling after diminishing of flame is rapidly performed.

Description

【発明の詳細な説明】 (産業上の利用分野) この発明は、紙、布等の乾燥に使用するに適した赤外線
バーナに関する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an infrared burner suitable for use in drying paper, cloth, etc.

(従来の技術) 紙、布等の乾燥に使用される従来の長尺の赤外線バーナ
は、本体が厚肉の鋳物で作られていた。
(Prior Art) The main body of a conventional long infrared burner used for drying paper, cloth, etc. is made of thick casting.

(発明が解決しようとする問題点) しかしながら、鋳物は重量が重く、かつ高価であるとい
う問題点があった。また、鋳物は熱容量が大きいので、
赤外線バーナを紙、布等の連続乾燥用に使用する場合、
連続運転停止時に消火後の赤外線バーナの輻射熱によっ
て紙、布等が燃えたり焼は焦げたりする可能性があった
(Problems to be Solved by the Invention) However, castings have problems in that they are heavy and expensive. In addition, since castings have a large heat capacity,
When using an infrared burner for continuous drying of paper, cloth, etc.
When continuous operation was stopped, the radiant heat from the infrared burner after extinguishing the fire could burn or scorch paper, cloth, etc.

(問題点を解決するための手段) 上記問題点を解決するために、本発明は次のような構成
とした。すなわち、本発明にかかる赤外線バーナは、バ
ーナ本体を薄肉鋼板で成形し、該バーナ本体の外周部に
冷却用のエア通路を設けた −ことを特徴ととしている
(Means for Solving the Problems) In order to solve the above problems, the present invention has the following configuration. That is, the infrared burner according to the present invention is characterized in that the burner body is formed from a thin steel plate, and a cooling air passage is provided in the outer peripheral portion of the burner body.

(作用) エア通路に冷却用エアを流通させることにより、バーナ
本体の外周部が常時冷却されるので、燃焼中においても
バーナ本体が異常高温にならず、鋼板製の本体に歪等が
生じにくい。また、消火後は、すみやかに冷却される。
(Function) By circulating cooling air through the air passage, the outer periphery of the burner body is constantly cooled, so the burner body does not reach abnormally high temperatures even during combustion, and the steel plate body is less prone to distortion. . Also, after extinguishing the fire, it is quickly cooled down.

(実施例) 第1図乃至第4図は本発明の実施例をあられすもので、
この赤外線バーナlは、水平方向に長い燃焼室2をそな
えた薄肉鋼板製のバーナ本体1aの前面部に多孔質セラ
ミック材料でできた燃焼プレート3が設けられている。
(Example) Figures 1 to 4 show examples of the present invention.
This infrared burner 1 has a combustion plate 3 made of a porous ceramic material on the front side of a burner body 1a made of a thin steel plate and provided with a horizontally long combustion chamber 2.

燃焼室2の背部には、該燃焼室2に隣接させて混合ガス
室5が設けられている。混合ガス室5は、背面部に設け
られている流入口6から送り込まれる燃料ガスと空気と
の混合ガスで充満しており、この混合ガスが、燃焼室2
と混合ガス室5の隔壁7に一定間隔毎に設けられている
複数個のノズル8から、燃焼室2に一定星ずつ供給され
るようになっている。燃焼室2内に供給された混合ガス
は、燃焼プレート3の細孔を通ってプレート表面に達し
、該表面付近で燃焼して、燃焼プレート3を赤熱させる
。この赤熱した燃焼プレート3の輻射熱によって、赤外
線バーナlの前面にある物体が熱せられるのである。
At the back of the combustion chamber 2, a mixed gas chamber 5 is provided adjacent to the combustion chamber 2. The mixed gas chamber 5 is filled with a mixed gas of fuel gas and air fed from an inlet 6 provided on the back side, and this mixed gas flows into the combustion chamber 2.
A constant number of stars are supplied to the combustion chamber 2 from a plurality of nozzles 8 provided at regular intervals on the partition wall 7 of the mixed gas chamber 5. The mixed gas supplied into the combustion chamber 2 passes through the pores of the combustion plate 3 to reach the plate surface, burns near the surface, and makes the combustion plate 3 red-hot. The radiant heat of this red-hot combustion plate 3 heats the object in front of the infrared burner l.

前記ノズル8は、隔壁に溶着されているねじ付きポスl
Oに燃焼室側から螺着されており、その中空部16の後
端開口部にニードル弁14の先端部14aが嵌入してい
る。ニードル弁14は、混合ガス室5の外壁12に溶着
されているねじ付きポス13に外側から螺着されている
。ノズル8は、混合ガス室側に開口する中空部16の先
端部に、燃焼室2に通ずる複数個のオリフィス17.1
7.・・・が放射状に設けられている。ニードル弁14
は、後端面に形成されている係合溝19にドライバ等を
係合させて回すことにより、前後に移動可能であり、こ
れが前進すると、ノズル8の中空部16とニードル14
の先端部+4aとの隙間20が狭くなり、混合ガス室5
から燃焼室2への混合ガスの供給量が減少する。逆に、
ニードル弁14を後退させると、隙間20が拡がり、混
合ガスの供給量が増加する0図中の22はニードル弁固
定ナツト、23はニードル弁の保護とシールを兼ねた袋
ナツトである。
The nozzle 8 is a threaded post l welded to the partition wall.
The needle valve 14 is screwed into the combustion chamber from the combustion chamber side, and the tip 14a of the needle valve 14 is fitted into the rear end opening of the hollow portion 16. The needle valve 14 is screwed from the outside onto a threaded post 13 that is welded to the outer wall 12 of the mixed gas chamber 5. The nozzle 8 has a plurality of orifices 17.1 communicating with the combustion chamber 2 at the tip of a hollow portion 16 that opens toward the mixed gas chamber.
7. ...are arranged radially. Needle valve 14
can be moved back and forth by engaging a screwdriver or the like with an engagement groove 19 formed on the rear end surface and turning it. When it moves forward, the hollow part 16 of the nozzle 8 and the needle 14
The gap 20 with the tip +4a becomes narrower, and the mixed gas chamber 5
The amount of mixed gas supplied to the combustion chamber 2 decreases. vice versa,
When the needle valve 14 is moved backward, the gap 20 widens and the amount of mixed gas supplied increases. In the figure, 22 is a needle valve fixing nut, and 23 is a cap nut that serves both to protect and seal the needle valve.

さらに、この赤外線バーナlは、バーナ本体1aの外周
部に、断面艮方形の角型鋼管25でできたエア通路26
が設けられている。この角型鋼管25の前後両面には、
案内板27.28がそれぞれビス29.29で取り付け
られている。前側の案内板27は、バーナ本体1aの外
壁30の開口部に設けられた屈曲周縁部30aと、鋼管
25の前面に固着されたスペーサ31によって鋼管25
との間に間隔をおいて取り付けられており、この間隔が
エア流出路32を形成している。案内板27の外縁部2
7aは、鋼管25の側面に沿って後向きに屈曲しており
、鋼管25の側面との間には隙間が形成されている。ま
た、その内縁部は、最も端の部分が断面カギ形のプレー
ト押え部27bとなり、その内側の部分が、後方に突出
する折返し部2?cとなっている。前記燃焼プレート3
は、この案内板27のプレート押え部27bと、バーナ
本体1aの側壁30内面に固着されたプレート保持板3
3とによって、バーナ本体1aの前部に保持されている
。なお、燃焼プレート3の外周と側壁3oとの間隔部に
は、石綿等の耐熱パツキン34が充填されている。
Furthermore, this infrared burner l has an air passage 26 made of a square steel pipe 25 with a rectangular cross section on the outer periphery of the burner body 1a.
is provided. On both the front and rear sides of this square steel pipe 25,
Guide plates 27 and 28 are attached with screws 29 and 29, respectively. The front guide plate 27 is connected to the steel pipe 25 by a bent peripheral edge 30a provided at the opening of the outer wall 30 of the burner body 1a and a spacer 31 fixed to the front surface of the steel pipe 25.
The air outflow path 32 is installed at a distance between the air outlet and the air outflow path 32 . Outer edge 2 of guide plate 27
7a is bent backward along the side surface of the steel pipe 25, and a gap is formed between the portion 7a and the side surface of the steel pipe 25. Moreover, the inner edge part becomes the plate holding part 27b having a hook-shaped cross section at the end, and the folded part 2? that projects rearward is the inner part. c. The combustion plate 3
is the plate holding part 27b of this guide plate 27 and the plate holding plate 3 fixed to the inner surface of the side wall 30 of the burner main body 1a.
3 at the front of the burner body 1a. Note that the space between the outer periphery of the combustion plate 3 and the side wall 3o is filled with a heat-resistant packing 34 made of asbestos or the like.

後側の案内板28は、鋼管25の後端面に沿って該後端
面に密着させて延設され、その内縁部28aが混合ガス
室5の側方で後向きに屈曲している。案内板28と、燃
焼室2の背面および混合ガス室5の側面との間には、空
間部が形成されており、この空間部がエア流出路35と
なっている。
The rear guide plate 28 extends along the rear end surface of the steel pipe 25 in close contact with the rear end surface, and its inner edge 28 a is bent rearward on the side of the mixed gas chamber 5 . A space is formed between the guide plate 28 and the back surface of the combustion chamber 2 and the side surface of the mixed gas chamber 5, and this space serves as an air outflow path 35.

前記エア通路26には、後部に設けた複数個のエア供給
口36からエアが供給される。また、エア通路を構成す
る鋼管25には、一定間隔毎に前後のエア流出路32.
35に通ずる通孔37.・・・ 38.・・・が設けら
れている。
Air is supplied to the air passage 26 from a plurality of air supply ports 36 provided at the rear. In addition, the steel pipe 25 constituting the air passage is provided with front and rear air outlet passages 32 at regular intervals.
35 through hole 37. ... 38. ...is provided.

エア供給口36からエア通路26に送り込まれた冷却用
エアは、バーナ本体1aの外周に沿ってエア通路内を流
れ、通孔37.・・・および通孔38.・・・から逐次
外部へ流出する。エアがエア通路2Gを通過する際に八
−す本体1aの側面部が冷却される。また、通孔37か
ら流出したエアは、流出路32を通過する際に燃焼プレ
ート3からの伝熱によって高温となっている案内板27
を冷却し、通孔38から流出したエアは、流出路35を
通過する際に、バーナ本体1aの背面部および混合ガス
室5の側面部を冷却する。特に、前側の案内板27は、
通孔37から吐出されるエアが直接吹き付けられるので
、冷却が効果的に行なわれる。
The cooling air sent into the air passage 26 from the air supply port 36 flows in the air passage along the outer periphery of the burner body 1a, and flows through the air passage 37. ...and through hole 38. ... leaks out to the outside one after another. When the air passes through the air passage 2G, the side surface of the eight main body 1a is cooled. Furthermore, when the air flowing out from the through hole 37 passes through the outflow path 32, the air flows through the guide plate 27, which is heated to a high temperature due to heat transfer from the combustion plate 3.
The air flowing out from the through hole 38 cools the back surface of the burner body 1a and the side surface of the mixed gas chamber 5 when passing through the flow path 35. In particular, the front guide plate 27 is
Since the air discharged from the through hole 37 is directly blown, cooling is performed effectively.

つぎに、第5図乃至第8図に示される赤外線バーナは異
なる実施例をあられすもので、この赤外線バーナl′は
、前掲のバーナlと次の各点で異なり、それ以外の部分
はほぼ同様に構成されている。すなわち、本実施例では
、混合ガス室5が角型鋼管50で構成され、燃焼室2か
ら若干離れた位置に設けられている。角型鋼管50は、
ねじ付きポス10によって、バーナ本体1a′の下面に
取り付けられている。混合ガス室をバーナ本体と一体に
設けておくと、両者を構成している鋼板の溶接個所に歪
が生じるおそれがあるが、本例のような構。
Next, the infrared burners shown in FIGS. 5 to 8 are different embodiments, and this infrared burner l' differs from the burner I described above in the following points, and other parts are almost the same. are configured similarly. That is, in this embodiment, the mixed gas chamber 5 is made of a square steel pipe 50, and is provided at a position slightly apart from the combustion chamber 2. The square steel pipe 50 is
It is attached to the lower surface of the burner body 1a' by a threaded post 10. If the mixed gas chamber is provided integrally with the burner body, there is a risk that distortion will occur at the welded parts of the steel plates that make up the two, but this is not the case with the structure shown in this example.

造にすればその心配はない、また、燃焼室2と混合ガス
室5の間に形成される空間52の作用で、ノく−す本体
+a′から混合ガス室5への伝熱量が減少する。なお、
混合ガス室5と燃焼室2との間には、断面円弧状の流気
案内板51が取り伺けられている。
There is no need to worry about this if the combustion chamber 2 and the mixed gas chamber 5 are constructed, and the amount of heat transferred from the combustion chamber +a' to the mixed gas chamber 5 is reduced due to the effect of the space 52 formed between the combustion chamber 2 and the mixed gas chamber 5. . In addition,
A flow guide plate 51 having an arcuate cross section is provided between the mixed gas chamber 5 and the combustion chamber 2.

また、本実施例では、エア通路26が/く−す本体la
′の側面から隔てて設けられている。したがって、エア
通路26とバーナ本体1a’との間に空間が形成され、
バーナ本体1a’の側面から背面に沿って混合カス室5
の側方に至るエア流出路54が構成されている。エア通
路26を構成する角型鋼管25には、エア流出路54に
通ずる通孔55.・・・、58.・・・が前後交互に千
鳥状に設けられている。これら通孔55.5Eiから吐
出されたエアは、エア流出路54を通って外部へ流出す
るが、その際にバーナ本体+a’の側面と背面ならびに
混合ガス室5の側面が冷却される。角型鋼管25の後部
をバーナ本体1a′に固定している固定板57は1間隔
をおいて適所に設けられているので、エアの流通に支障
はない。また、流気案内板51は、円弧状に形成されて
いるので、その曲面が流気案内面として(動き、エアの
流通が円滑に行なわれる0通孔55から吐出されるエア
がバーナ本体1a’の側面前部に吹き付けられるので、
高温になるこの部分が十分に冷却される。
In addition, in this embodiment, the air passage 26 is
’. Therefore, a space is formed between the air passage 26 and the burner body 1a',
The mixing waste chamber 5 is located along the side and back of the burner body 1a'.
An air outflow path 54 extending to the sides of is configured. The square steel pipe 25 constituting the air passage 26 has a through hole 55 that communicates with the air outlet passage 54. ..., 58. ... are provided in a staggered manner alternately in the front and back. The air discharged from these through holes 55.5Ei flows out through the air outlet passage 54, and at this time, the side and back surfaces of the burner body +a' and the side surface of the mixed gas chamber 5 are cooled. Since the fixing plates 57 fixing the rear part of the square steel pipe 25 to the burner body 1a' are provided at appropriate positions at one interval, there is no problem with air circulation. In addition, since the air flow guide plate 51 is formed in an arc shape, its curved surface acts as a flow air guide surface (moves), and the air discharged from the zero through hole 55 where the air flows smoothly is transferred to the burner body 1a. ' Since it is sprayed on the front side of the
This area, which gets hot, is sufficiently cooled.

さらに1本実施例では、燃焼室2を前後2室2a、 2
bに仕切る有孔プレート60と、ノズル11を包囲する
円環状のバックルプレート61が設けられている。有孔
プレート60は、燃焼プレート3を保持する保持板33
の後部縁33aにビス62によって取り付けられている
。パフフルプレート61は、バーナ本体+a′の後板に
、当金64によって取り付けられている。有孔プレート
60およびバックルプレート61を設けることにより、
混合ガスが燃焼プレート3の全面に均等に行きわたるよ
うになり、効果的な燃焼を行なわせることができる。
Furthermore, in this embodiment, the combustion chamber 2 is divided into two chambers, front and rear, 2a, 2.
A perforated plate 60 that partitions the nozzle 11 and an annular buckle plate 61 that surrounds the nozzle 11 are provided. The perforated plate 60 is a holding plate 33 that holds the combustion plate 3.
It is attached to the rear edge 33a with screws 62. The puffful plate 61 is attached to the rear plate of the burner body +a' by a stopper 64. By providing the perforated plate 60 and the buckle plate 61,
The mixed gas is spread evenly over the entire surface of the combustion plate 3, and effective combustion can be performed.

いずれの赤外線バーナ1,1’も、/ヘーナ本体la、
 la’の外周部にエア通路28を設け、このエア通路
26に冷却用エアを流通させることにより、バーナ本体
を薄肉鋼板で成形することが可能となった。その結果、
バーナ全体を軽量化することができるとともに、安価に
作ることができるようになった。また、薄肉鋼板を使用
することで7<−ナの熱容量が減少するので、消火後の
冷却が迅速に行なわれるようになった。
Both infrared burners 1 and 1' are /Hena body la,
By providing an air passage 28 on the outer periphery of la' and circulating cooling air through this air passage 26, it has become possible to mold the burner body from a thin steel plate. the result,
The overall weight of the burner can be reduced, and it can also be manufactured at low cost. Further, by using a thin steel plate, the heat capacity (7<-na) is reduced, so cooling after extinguishing the fire can be performed quickly.

なお、ニードル弁14は必ずしも必要ではなく。Note that the needle valve 14 is not necessarily required.

混合ガスの供給量をニードル弁14で調節する代りに、
外部に設けた調節装置であらかじめ?JJ節してから、
混合ガスを混合ガス室5に送り込むように構成してもよ
い。
Instead of adjusting the supply amount of the mixed gas with the needle valve 14,
In advance with an external adjustment device? After JJ-bushi,
The configuration may be such that the mixed gas is sent into the mixed gas chamber 5.

(効果) 以りの説明から明らかなように、本発明にかかる赤外線
バーナは、薄肉鋼板でできているので、軽量かつ安価で
ある。また、エア通路に冷却用エアを流通させることに
より、冷却を促進し、熱歪の発生を防止することができ
るようになった。
(Effects) As is clear from the following description, the infrared burner according to the present invention is made of a thin steel plate, so it is lightweight and inexpensive. Furthermore, by circulating cooling air through the air passages, cooling can be promoted and thermal distortion can be prevented from occurring.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明にかかる赤外線バーナの1実施例の正面
図、第2図はその右半分を断面であられした平面図、第
3図はその背面図、および第4図はその横断面図である
。第5図は異なる実施例の −正面図、第6図はその左
半分を断面であられした平面図、第7図はその背面図、
および第8図はその横断面図である。 1.1′・・・赤外線バーナ la、la’・・・バー
ナ本体 2・・・燃焼室 3・・・燃焼プレート 5・
・・混合ガス室 26・・・エア通路
Fig. 1 is a front view of one embodiment of the infrared burner according to the present invention, Fig. 2 is a plan view of the right half thereof in section, Fig. 3 is its rear view, and Fig. 4 is its cross-sectional view. It is. Fig. 5 is a front view of a different embodiment, Fig. 6 is a plan view with the left half sectioned, Fig. 7 is a rear view thereof,
and FIG. 8 is a cross-sectional view thereof. 1.1'... Infrared burner la, la'... Burner body 2... Combustion chamber 3... Combustion plate 5.
...Mixed gas chamber 26...Air passage

Claims (1)

【特許請求の範囲】[Claims] (1)燃焼室をそなえたバーナ本体の前面に燃焼プレー
トを設けてなり、赤熱した該プレートの輻射熱によって
前面側空間部を熱するように構成した赤外線バーナにお
いて、バーナ本体を薄肉鋼板で成形し、該バーナ本体の
外周部に冷却用のエア通路を設けたことを特徴とする赤
外線バーナ。
(1) In an infrared burner configured to have a combustion plate on the front side of a burner body equipped with a combustion chamber, and to heat a space on the front side by red-hot radiant heat from the plate, the burner body is formed from a thin steel plate. An infrared burner characterized in that a cooling air passage is provided on the outer periphery of the burner body.
JP17216785A 1985-08-05 1985-08-05 Infrared ray burner Granted JPS6233210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17216785A JPS6233210A (en) 1985-08-05 1985-08-05 Infrared ray burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17216785A JPS6233210A (en) 1985-08-05 1985-08-05 Infrared ray burner

Publications (2)

Publication Number Publication Date
JPS6233210A true JPS6233210A (en) 1987-02-13
JPH0320642B2 JPH0320642B2 (en) 1991-03-19

Family

ID=15936813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17216785A Granted JPS6233210A (en) 1985-08-05 1985-08-05 Infrared ray burner

Country Status (1)

Country Link
JP (1) JPS6233210A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764017A (en) * 2015-04-20 2015-07-08 河北工业大学 Water-cooling type gas burner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9029800B2 (en) 2011-08-09 2015-05-12 Palo Alto Research Center Incorporated Compact analyzer with spatial modulation and multiple intensity modulated excitation sources

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57207716A (en) * 1981-06-16 1982-12-20 Nippon Steel Corp Method of removing heat in surface combustor
JPS6219651A (en) * 1985-07-17 1987-01-28 株式会社神戸製鋼所 Refrigeration cycle using mixed refrigerant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57207716A (en) * 1981-06-16 1982-12-20 Nippon Steel Corp Method of removing heat in surface combustor
JPS6219651A (en) * 1985-07-17 1987-01-28 株式会社神戸製鋼所 Refrigeration cycle using mixed refrigerant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764017A (en) * 2015-04-20 2015-07-08 河北工业大学 Water-cooling type gas burner

Also Published As

Publication number Publication date
JPH0320642B2 (en) 1991-03-19

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