CN102721057A

CN102721057A - Industrial gas burner

Info

Publication number: CN102721057A
Application number: CN2012102076788A
Authority: CN
Inventors: 潘育坛
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-25
Filing date: 2012-06-25
Publication date: 2012-10-10
Anticipated expiration: 2032-06-25
Also published as: CN102721057B

Abstract

The invention relates to an industrial gas burner. The industrial gas burner comprises a cylindrical housing, and a gas guide pipe arranged in the housing, wherein a burning head is arranged in the front end of the housing and adjustably sleeved on the gas guide pipe; a swirler is arranged at the front end of the housing, and an air guide blade inclined to an axis of the housing is fixed onto the swirler; a front cover is also arranged at the front end of the housing, with the front end contracted inwards to form a circular opening, and the inside diameter of the opening is more than the outside diameter of the burning head. According to the industrial gas burner, the swirler is arranged outside the burning head, which can further promote the gas burning during burning under gas, and moreover, the flame in burning can be spread to the outside by means of rotating through the swirler, therefore, the burning area of the flame is expanded. The front cover is arranged at the front end of the burning head, and the edges of the flame in burning are baffled by the front cover, thus, the edges are forcibly close to centre of the flame, and spewed out from the opening at the front cover, and the flame in burning is collected and extended, and the full burning is achieved, the emission of CO and NOx is reduced, and the stability of the flame is improved.

Description

A kind of industrial fuel gas burner

Technical field

The invention belongs to the gas combustion technical field, relate in particular to a kind of industrial fuel gas burner.

Background technology

No matter the burning of which kind of combustion gas all needs air-breathing, the burning degree of combustion gas and Air mixing ratio and mixability decision combustion gas.Fuel gas buring is abundant more, and the calorific value that is produced is also the highest, and waste gas and pernicious gas that the burning back is produced are also minimum, thereby reaches the purpose of efficient, energy-conservation and environmental protection.

The stove and accessory of existing market can be divided into two big series products from the aerodynamics angle, and one type is the natural wind cooking stove, and one type is the blowing-type cooking stove.And blowing-type cooking stove combustion mode on the market is the mixing combustion mode in back, i.e. combustion gas mixes with air in the process of furnace chamber internal combustion synchronously, because of combustion gas is difficult to fully mix with air immediately, thereby causes combustion gas fully to burn.The combustion gas that part fails to burn can be discharged from flue, thereby caused the waste of the energy and the pollution of environment aspect.

Gaseous fuel belongs to hydrocarbon, and the present most burners particularly above burner of unit high-power (14MW) all adopt diffusion combustion mode (being that fuel does not mix with combustion air) before burning.The inner local temperature of diffusion combustion flame is quite high, and air distribution is inhomogeneous, and in this case, hydrocarbon can decompose, and produces the solid carbon black, even forms black smoke, reduces efficiency of combustion, and also produces CO and NOx in a large number.Burner rating is big more, and this phenomenon is just serious more.

In the prior art, the fuel gas buring head that has is provided with cyclone, combustion air along the blade of cyclone by the burned flame sucking-off after, further promote fuel gas buring on the one hand, the rotation diffusion enlarges the flame burning area in the time of can making flame combustion on the other hand.Existing cyclone operated by rotary motion remains further perfect and be arranged on the outside cyclone technology of flame in combustion flame.

In addition, current gas stove has inconvenience more than aspect the automatic igniting; And aspect blowout protection, disappearance is arranged more, there is potential safety hazard.

Summary of the invention

Technical problem to be solved by this invention is, provides a kind of combustion gas to mix with combustion air fully, the novel burner of low CO and NOx during burning, the flame holding of raising burner.

For solving the problems of the technologies described above; The present invention provides a kind of industrial fuel gas burner; Comprise a columnar shell and gas conduct pipe in the enclosure is set; Gas conduct pipe is extend in the shell by the side of shell, is provided with combustion head in the front end of shell, and the combustion head adjustable ground is socketed on the gas conduct pipe; Front end at shell also is provided with cyclone, is fixed with the wind blade that tilts with housing axis on the cyclone; Be provided with front shroud in the shell front portion, the front shroud front end inwardly shrinks the formation circular open, and the internal diameter of opening is greater than the external diameter of combustion head.

Further, cyclone is fixed on the inwall of shell, and the top of wind blade and the outer wall of combustion head have the gap.

Further, the wind blade rear end is lower than the front end of combustion head.

Further, the front shroud socket is fixed on the outer wall of shell, and front shroud is provided with adjusting device, can regulate the distance of itself and outer cover port.

Further; Combustion head comprises burning pedestal, stable flame pan and flame cap kept burning day and night; Burning pedestal front end is concaved with hybrid chamber, and its rear end socket is fixed on the gas conduct pipe end, and stable flame pan is arranged in the hybrid chamber; Flame cap sleeve kept burning day and night is connected on the middle part of stable flame pan, and the bottom of burning pedestal is provided with some air admission holes.

Further, stable flame pan through disconnectable jockey be fixed on the burning pedestal the bottom, some fire output holes are set on the stable flame pan, fire output hole is arranged on the middle part and the lateral edges of stable flame pan.

Further, an end of flame cap kept burning day and night is provided with some pores, and pore is arranged on the side and the end face of flame cap kept burning day and night.

Further, the gas conduct pipe periphery is provided with some passages, and passage communicates with hybrid chamber, and the gas conduct pipe end is fixedly connected with straight bobbin, and the other end of straight bobbin extends to the inside of flame cap kept burning day and night.

Further, the fixedly sleeved throttle setting of outer casing back, throttle setting are provided with can close and open the air door that air gets into, and air door is arranged on the sidewall of throttle setting.

Further, the probe that in combustion head, also is set with the spark ignition electrode and surveys flame temperature, an end of ignitor and probe extends to the outside of stable flame pan, and its other end extends to the outside of throttle setting.

Compared with prior art, a kind of industrial fuel gas burner of the present invention, cyclone is arranged on the outside of combustion head, during fuel gas buring, can further promote fuel gas buring, rotates diffusion in the time of also can making flame combustion laterally, enlarges the flame burning area.Because the relative position of combustion head and cyclone can be regulated, and can change the diffusion and the fired state of flame at an easy rate.Because also be provided with protecgulum at the combustion head front end, the edge of combustion flame is blocked by front shroud, and is compelled to crowd around to flame kernel; Along the opening part ejection of front shroud, combustion flame compiles and prolongs, and sufficient combustion; Reduce the discharging of CO and NOx, improve the stability of flame.

Description of drawings

Fig. 1 is the cross-sectional view of the present invention's one preferred embodiment;

Fig. 2 is that sketch map is looked on the right side of Fig. 1.

The specific embodiment

In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.

Seeing also Fig. 1 and Fig. 2, is a preferred embodiment of the present invention, and this industrial fuel gas burner comprises shell 1, gas conduct pipe 2, combustion head 3, cyclone 4, front shroud 5, throttle setting 6 and ignitor 7 and probe 8.Shell 1 is cylindrical, and gas conduct pipe 2 is extend in the shell 1 by the side of shell 1.Combustion head 3 is arranged in the front end of shell 1, and adjustable ground is socketed on the gas conduct pipe 2.Cyclone 4 sockets are fixed on the front end port near shell 1; Front shroud 5 is arranged on the outermost of shell 1 front end, and socket is fixed on the outer wall of shell 1.Throttle setting 6 sockets are fixed on shell 1 rear end, and ignitor 7 is arranged in the combustion head 3 with flame probe 8.

Combustion head 3 comprises burning pedestal 31, stable flame pan 32 and flame cap 33 kept burning day and night; Burning pedestal 31 front ends are concaved with hybrid chamber 34; Its rear end socket is fixed on the gas conduct pipe 2, and stable flame pan 32 is arranged in the hybrid chamber 34, and flame cap 33 kept burning day and night is socketed in the middle part of stable flame pan 32.

The bottom of burning pedestal 31 is provided with some air admission holes 311, and stable flame pan 32 is fixed on the bottom of burning pedestal 31 through disconnectable jockey 35.In the present embodiment, jockey 35 comprises screw rod 351 and sleeve 352, and sleeve 352 is arranged between the bottom of stable flame pan 32 and burning pedestal 31, has confirmed between the bottom of stable flame pan 32 and the pedestal 31 that burns highly to have confirmed the volume size of hybrid chamber 34.Stable flame pan 32 can be fixed on the bottom of burning pedestal 31 through the helicitic texture of three screw rods 351.Regulate the end face distance of stable flame pan 32 to burning pedestal 31 if desired, the volume size that can regulate hybrid chamber 34 simultaneously only need be unclamped screw rod 351, changes the sleeve 352 of Len req, and the screw rod 351 of screwing again gets final product.

On the other hand, the rear end of burning pedestal 31 is provided with fixed screw 36, can be fixed on combustion head 3 on the gas conduct pipe 2.Likewise, unclamp fixed screw 36, the position of scalable combustion head 3 on gas conduct pipe 2.

Some fire output holes 321 are set on the stable flame pan 32, and fire output hole 321 evenly is arranged on the middle part and the lateral edges of stable flame pan 32.The present invention can guarantee that flame does not take off fire because stable flame pan 32 is provided with intensive fire output hole 321, solves the tempering abnormal problem of burner.Also enlarged simultaneously heat regulation scope of the present invention.

Flame cap 33 kept burning day and night links together through thread connecting mode and stable flame pan 32, and turn flame cap 33 kept burning day and night can be regulated the relative position of itself and stable flame pan 32 end faces.One end of flame cap 33 kept burning day and night is provided with some pores 331, and pore 331 is arranged on the side and the end face of flame cap 33 kept burning day and night.Mixed combustion gas can be overflowed from pore 331.During the air mixture burning, pore 331 also is the fire output hole of flame cap 33 kept burning day and night.

Gas conduct pipe 2 peripheries are provided with some passages 22, and passage 22 communicates with hybrid chamber 34.Gas conduct pipe 2 ends are fixedly connected with straight bobbin 21, and the other end of straight bobbin 21 extends to the inside of flame cap 33 kept burning day and night.

Outside combustion gas is entered in the combustion head 3 by gas conduct pipe 2, and most of combustion gas enters into hybrid chamber 34 via passage 22, and the sub-fraction combustion gas is overflowed by pore 331 via the inside of straight bobbin 21 entering flame cap 33 kept burning day and night again.Extraneous air also enters into hybrid chamber 34 by air admission hole 311, and with combustion gas mixing after overflow by fire output hole 321.

Cyclone 4 comprises wind blade 41, and wind blade 41 is evenly distributed on the inner peripheral surface of cyclone 4.The root of wind blade 41 is fixed on the cyclone 4, and the outer wall of the top of wind blade 41 and combustion head 2 has the gap, can be so that the axial adjustment of burning pedestal 31 on gas conduct pipe 2.Wind blade 41 tilts with the axis of shell 1.In the present embodiment, wind blade 41 is for counterclockwise arranging.Certainly, wind blade 41 is arranged clockwise and also is fine.

Front shroud 5 front ends inwardly shrink and form circular open 51, and the internal diameter of opening 51 is greater than the external diameter of combustion head 2.Front shroud 5 is provided with adjusting device 52, can regulate the distance of front shroud 5 and shell 1 port.In the present embodiment, adjusting device 52 comprises and is fixed on front shroud 5 screw 521 on the shell 1 and is arranged on the chute 522 of being convenient to screw slippage on the front shroud 5.When needing to regulate the spacing of front shroud 5 and shell 1 port, unclamp screw 521, move front shroud 5 to the appropriate location, the screw 521 of screwing again gets final product.Because, being provided with chute 522, screw 521 can stop at the optional position in the chute 522, has enlarged adjustable range.Holding screw 53 also is installed on front shroud 5, and the sidewall that can pass shell 1 is fixed on cyclone 4 on the shell 1.

During the actual use of the present invention; With the mixed combustion gas of air after flame cap kept burning day and night 33 places are lighted, the air mixtures in the combustion head 3 are burnt rapidly, burned flame is via the fire output hole 321 front ends ejection of combustion head 3; This moment, fuel gas buring was also insufficient, and flame is also inhomogeneous.Flame when ejection, constantly aspirate the combustion air at wind blade 41 places, diffusion combustion further rapidly after flame obtains combustion air and replenishes, flame prolongs.Flame is along incline direction diffusion around cyclone 4 of wind blade 41.The fixed screw 36 that unscrews combustion head 3 rear ends can be regulated wind blade 41 rear ends and combustion head 2 relative positions, can regulate the diffusion effect of flame, obtains the desirable length of flame.In the present embodiment, wind blade 41 rear ends are lower than the front end of combustion head 2.Simultaneously,,, can change the sleeve 352 of suitable length according to the method described above in combustion head 3, regulate the volume size of hybrid chamber 34 so that obtain satisfied combustion efficiency in order to make combustion gas and combustion air that best mixing ratio arranged.Blocked by front shroud 5 when the flame at wind blade 41 edges passes through front shroud 5, force edge flame to compile, make flame more prolong the length of flame further from opening 51 ejections in the concentrated area, help the stable of flame, be difficult for taking off fire to flame kernel.Flame temperature is more even, and fuel gas buring is more abundant.Ignition temperature is more even, and has reduced flue-gas temperature, effectively suppresses the generation of NOx, and exhaust emission is little.

The purpose of throttle setting 6 is the combustion airs that provide sufficient during for fuel gas buring, and throttle setting 6 is provided with can close and open the air door 61 that air gets into, and opens the burning degree that size is regulated combustion gas through damper 61.Among the present invention, air door 61 is arranged on the sidewall of throttle setting 6.The unlatching amplitude of damper 61, length and the combustion efficiency that can regulate combustion flame to reach the sufficient purpose of fuel gas buring, are practiced thrift the combustion gas resource.Throttle setting 6 is fixed on shell 1 rearward end through connecting screw 62 sockets.Present embodiment in normal operating conditions, frequent damper 61 sizes.

Ignitor 7 is fixedly installed in the combustion head 3 with probe 8, and an end of ignitor 7 and probe 8 extends to the outside of stable flame pan 32, and its other end extends to the outside of throttle setting 6.Ignitor 7 mainly is to be used to light ever-burning flame.In the present invention, ignitor 7 utilizes electric spark to light the air mixture of being discharged through flame cap 33 kept burning day and night.And flame probe 8 mainly is to be used to realize extinguish protection function.Probe 8 is an ion probe.Ion probe is to utilize the ionic conduction principle of flame to survey the measuring element of flame temperature and combustion case.Flame can form the ion that can conduct electricity in combustion process.But the blowout protection technology is achieved in that through ion probe perception flame whether extinguish; If extinguish, then can control and cut off fuel gas path immediately through magnetic valve.On the basis of guaranteeing burner safety, also practice thrift combustion gas effectively, reduce dangerous hidden danger.In the present embodiment, ignitor 7 adopts the conducting metal rod with probe 8, in the time of can preventing that burner generation tempering is unusual, can not burnt out by back fire flame, prolongs its service life.Be fixedly connected with

splicing interface

71 and 81 respectively at ignitor 7 and probe 8 afterbodys, interface 71 can be connected high-

voltage insulating wire

72 and 82 respectively with 81 the other end.Take the project organization of this light plug dismounting, make things convenient for the daily clean and maintenance of burner.In addition, in order to increase ignitor 7 and the insulation effect of probe 8, on ignitor 7 and probe 8, be socketed with

ceramic jacket

73 and 83 respectively with combustion head 3 contact-making surfaces.Simultaneously, on ignitor 7 and probe 8, be socketed with

insulation sleeve

74 and 84 respectively, increase the insulation effect of contact site with throttle setting 6 contact-making surface places.

Cyclone 4 when using particularly,, makes that cyclone 4 and front shroud 5 surface temperatures are high, so should adopt heat proof material to make with front shroud 5 because combustion flame is directly roasted cyclone 4 and front shroud 5.In the present embodiment, cyclone 4 all adopts stainless steel to process with front shroud 5.Install and use for the ease of of the present invention, on shell 1 side periphery, convex with installing web plate 11, gusset 11 is provided with the bolt hole 12 that usefulness is installed, and can be installed in the place that needs to this device easily.On the other hand, if the present invention is used with air-introduced machine, be specially adapted to the coil pipe internal combustion, its combustion efficiency is better, and energy-saving effect is more outstanding.

In sum, shell 1 of the present invention adopts straight barrel shape design, has the little characteristics that take up room.Simultaneously, simple in structure quick detachable, be convenient to repair and safeguard.And, owing to be provided with ignitor 7 and probe 8, make the present invention have automatic firing function and extinguish protection function again simultaneously, can monitor flame, use convenient and safe more.Simultaneously,, produce very low CO and NOx during burning, improved the utilization rate of fuel because combustion gas can mix with combustion air fully.

The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims

1. industrial fuel gas burner; Comprise a columnar shell and gas conduct pipe in the enclosure is set; Said gas conduct pipe is extend in the said shell by the side of said shell; Be provided with combustion head in the front end of said shell, it is characterized in that, said combustion head adjustable ground is socketed on the said gas conduct pipe; Front end at said shell also is provided with cyclone, is fixed with the wind blade that tilts with said housing axis on the said cyclone; Be provided with front shroud in said shell front portion, said front shroud front end inwardly shrinks the formation circular open, and the internal diameter of said opening is greater than the external diameter of said combustion head.

2. industrial fuel gas burner as claimed in claim 1 is characterized in that, said cyclone is fixed on the inwall of said shell, and the top of said wind blade and the outer wall of said combustion head have the gap.

3. industrial fuel gas burner as claimed in claim 2 is characterized in that, said wind blade rear end is lower than the front end of said combustion head.

4. industrial fuel gas burner as claimed in claim 1 is characterized in that, said front shroud socket is fixed on the said shell, and said front shroud is provided with adjusting device, can regulate the distance of itself and said outer cover port.

5. like any described industrial fuel gas burner of claim 1 to 4; It is characterized in that said combustion head comprises burning pedestal, stable flame pan and flame cap kept burning day and night, said burning pedestal front end is concaved with hybrid chamber; Its rear end socket is fixed on said gas conduct pipe end; Said stable flame pan is arranged in the said hybrid chamber, and said flame cap sleeve kept burning day and night is connected on the middle part of said stable flame pan, and the bottom of said burning pedestal is provided with some air admission holes.

6. industrial fuel gas burner as claimed in claim 5; It is characterized in that; Said stable flame pan is fixed on the bottom of said burning pedestal through disconnectable jockey, and some fire output holes are set on the said stable flame pan, and said fire output hole is arranged on the middle part and the lateral edges of said stable flame pan.

7. industrial fuel gas burner as claimed in claim 5 is characterized in that, an end of said flame cap kept burning day and night is provided with some pores, and said pore is arranged on the side and the end face of said flame cap kept burning day and night.

8. industrial fuel gas burner as claimed in claim 5; It is characterized in that; Said gas conduct pipe periphery is provided with some passages; Said passage communicates with said hybrid chamber, and said gas conduct pipe end is fixedly connected with straight bobbin, and the other end of said straight bobbin extends to the inside of said flame cap kept burning day and night.

9. industrial fuel gas burner as claimed in claim 1 is characterized in that, the fixedly sleeved throttle setting of said outer casing back, said throttle setting are provided with can close and open the air door that air gets into, and said air door is arranged on the sidewall of said throttle setting.

10. industrial fuel gas burner as claimed in claim 9; It is characterized in that; The probe that in said combustion head, also is set with the spark ignition electrode and surveys flame temperature; One end of said ignitor and probe extends to the outside of said stable flame pan, and its other end extends to the outside of said throttle setting.