CN105823042A - Fuel gas burner - Google Patents
Fuel gas burner Download PDFInfo
- Publication number
- CN105823042A CN105823042A CN201610342021.0A CN201610342021A CN105823042A CN 105823042 A CN105823042 A CN 105823042A CN 201610342021 A CN201610342021 A CN 201610342021A CN 105823042 A CN105823042 A CN 105823042A
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- gas
- mixing pipe
- burner
- gas mixing
- lid
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Classifications
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- 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
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- 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
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- 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
- F23D14/64—Mixing devices; Mixing tubes with injectors
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- 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
Abstract
The invention provides a fuel gas burner and belongs to the technical field of burning equipment. According to the fuel gas burner, the technical problems that gas blending is not uniform, combustion is not sufficient and noise is large by means of an existing burner are solved. The fuel gas burner comprises a first gas blending pipe, a second gas blending pipe, a gas blending shell body, a burner cover body and burner ports. One end of the first gas blending pipe communicates with the exterior, and air and fuel gas can be aerated into the first gas blending pipe; the second gas blending pipe communicates with the first gas blending pipe and an included angle is formed between the first gas blending pipe and the second gas blending pipe; the interior of the gas blending shell body communicates with the second gas blending pipe; the burner cover body is arranged on the gas blending shell body in a covering manner; and the multiple burner ports are arranged and distributed on the burner cover body, the burner ports extend obliquely from the rim of the burner cover body to the off-centered side at the interior of the burner cover body, and the width of each burner port decreases gradually from the rim of the burner cover body to the interior of the burner cover body. The air and the fuel gas are more uniform after multiple blending, and the combustion efficiency is high; the shapes, sizes and positions of the burner ports are reasonably designed, and the noise when gas is discharged is reduced; the stability of the gas when the gas is discharged is improved, and the combustion of the gas is made to be more sufficient.
Description
Technical field
The invention belongs to burner technical field, relate to a kind of gas burner.
Background technology
Gas burner is defined as a kind of a kind of equipment that material is converted heat energy by this chemical reaction mode of burning, and will air and fuel convert so that its abundant combustion heat energy device by pre-mixing apparatus by proper proportion is mixed.
Gas mixed nub structure and fire hole structure are two important feature affecting burner using effect, existing burner can meet existing use demand substantially, but in above-mentioned two link, there is techniques below problem: 1, air mixing process is simpler, it is commonly and once mixes gas, cause mixed gas weak effect, combustion gas mixes uneven with air, causes efficiency of combustion relatively low and environmental pollution is more serious；2, fire hole design is unreasonable, and when causing gas to flow out, noise is relatively big, the problem of gas stabilization difference, causes gas combustion insufficient, efficiency of combustion is relatively low, and fire hole easily blocks, and is not easily cleaned, and, in combustion, easily occur that calorific intensity is low, be tempered, from problems such as flames.
In sum, in order to solve the technical problem that said burner exists, need to design a kind of simple in construction, gas mix homogeneously, burning fully, the thermal efficiency is high, noise is low and the gas burner of easy to clean.
Summary of the invention
It is an object of the invention to the problems referred to above existed for prior art, it is proposed that a kind of simple in construction, gas mix homogeneously, burning are fully, the thermal efficiency is high, noise is low and the gas burner of easy to clean.
The purpose of the present invention can be realized by following technical proposal: a kind of gas burner, including
First gas mixing pipe, its one end communicates with outside and can be passed through air and combustion gas；
Second gas mixing pipe, its connect with the first gas mixing pipe and and the first gas mixing pipe between be formed with angle；
Mixed gas housing, its inside connects with the second gas mixing pipe；
Fire cover body, it is covered on mixed gas housing；
Fire hole, it has multiple and is uniformly distributed on fire cover body, and fire hole is extended by the most off-centered lopsidedness of fire cover body edges, and the width of fire hole is gradually reduced inside it by fire cover body edges；
Air and mix in mixed gas housing and is flowed out by fire hole at the first gas mixing pipe, the second gas mixing pipe successively with combustion gas.
In above-mentioned a kind of gas burner, the deviation angle of described fire hole is 30-45 °.
In above-mentioned a kind of gas burner, described fire hole has angle and this angle is acute angle in fire cover body interior shape.
In above-mentioned a kind of gas burner, being provided with, in described mixed gas housing, the decompression diverter communicated with the second gas mixing pipe, be provided with multiple tap hole on decompression diverter, described tap hole is respectively communicated with decompression diverter and mixed gas housing.
In above-mentioned a kind of gas burner, described tap hole is divided into two groups and one of which tap hole around being arranged at the sidewall upper of decompression diverter, and another component discharge orifice is around being arranged at the side wall lower ends of decompression diverter and separating with upper end tap hole.
In above-mentioned a kind of gas burner, described fire cover body includes
Burning cover, it is connected with mixed gas housing；
Lid, it is positioned at burning cover and is connected with burning cover, and burning cover upper end highlights lid upper surface, and described fire hole is distributed in lid periphery and is extended in the middle part of lid by the lateral wall of lid.
In above-mentioned a kind of gas burner, the middle part of described lid offers the through hole passed through for the trachea that ignites, and is provided with the gas hood that ignites being connected with lid in through hole periphery, described in ignite gas hood offer around its end multiple and outside communicate draw combustion gas discharge port.
In above-mentioned a kind of gas burner, the upper surface of described lid is provided with the holding tank being spaced with fire hole, and described through hole is positioned at holding tank and communicates with holding tank, described in the gas hood that ignites be positioned at holding tank and embed in lid.
In above-mentioned a kind of gas burner, being provided with t-joint between described first gas mixing pipe and the second gas mixing pipe, perpendicular with t-joint respectively two interfaces of the first gas mixing pipe and the second gas mixing pipe are connected, and another seam is provided with blowdown pipe close.
In above-mentioned a kind of gas burner, this burner also includes air intake assembly, and described air intake assembly includes
Air inlet pipe, it is connected with the first gas mixing pipe and one end is stretched in the first gas mixing pipe；
Nozzle of air supply, it is connected with air inlet pipe one end and communicates；
Spray orifice, it tilts to run through nozzle of air supply from inside to outside, and described spray orifice has multiple and around being distributed in nozzle of air supply end.
Compared with prior art, the method have the advantages that
1, in the present invention, air with combustion gas successively at the first gas mixing pipe, the second gas mixing pipe with mixed gas housing through repeatedly mixing, the angle formed between especially first gas mixing pipe and the second gas mixing pipe, first mixed gas is transferred when being entered in the second gas mixing pipe by the first gas mixing pipe, disperse after producing impact with the second gas mixing pipe when mixed gas contacts, strengthening the mixed effect of combustion gas and air, air and combustion gas mixing are more uniform, and gas mixing after-combustion efficiency is high.
2, fire hole width is internally gradually reduced by fire cover body edges, therefore, gas can be the most broadening part flowing, this air-flow can form the most soaring poly-flame when burning, thus between burning cover inwall, form heat radiation, flame when mixed gas is burnt is more fierce, improves the efficiency of combustion of mixed gas.
3, fire hole deviates fire cover body central and arranges, the flame rotated is formed when mixed gas is burnt, compensate for that mixed gas between adjacent two fire holes is inadequate and uneven defect of burning, uniformity when further increasing burning and stability, improve the burning quality of gas.
4, the shape of fire hole, size, Position Design are rationally, reduce noise when gas flows out, and improve stability when gas flows out, making gas combustion more abundant, burning time extends, thus improves efficiency of combustion, it addition, the structure of this fire hole is also beneficial to clear up it and maintain.
5, reasonable due to shape, the Position Design of fire hole, it is achieved that the maximization of fire hole gross area utilization rate, in limited space, achieve the power bigger than traditional structure.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of the present invention.
Fig. 2 is the plane graph of nozzle of air supply in the present invention.
Fig. 3 is the three-dimensional structure diagram of fire cover body in the present invention.
Fig. 4 is the floor map of fire cover body in the present invention.
Fig. 5 is the enlarged drawing in Fig. 4 at A.
Fig. 6 is the sectional view of diverter of reducing pressure in the present invention.
Fig. 7 is the sectional view of A-A in Fig. 2.
Fig. 8 is the sectional view of B-B in Fig. 2.
In figure, the 100, first gas mixing pipe；110, union elbow；120, blower fan adapter；130, air inlet pipe；140, nozzle of air supply；141, spray orifice；
200, the second gas mixing pipe；210, t-joint；211, blowdown pipe close；
300, mixed gas housing；310, mixed gas chamber；320, decompression diverter；321, tap hole；
400, fire cover body；410, lid；411, through hole；412, receiving hole；413, fire hole；413a, base；413b, short hypotenuse；413c, long hypotenuse；413d, top margin；414, holding tank；420, burning cover；421, back-up ring；430, ignite gas hood；431, combustion gas discharge port is drawn；
500, ignite pneumatic module；510, ignite trachea；
600, spark plug；610, igniting core.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As it is shown in figure 1, one gas burner of the present invention, including the first gas mixing pipe 100, air intake assembly, the second gas mixing pipe 200 and mixed gas housing 300.
As shown in Figure 1, first gas mixing pipe 100 is horizontally disposed with, connect in one end, right side of the first gas mixing pipe 100 and have union elbow 110, the other end of union elbow 110 is provided with the blower fan adapter 120 being connected with blower fan, can be sent constantly in a steady stream by air to the first gas mixing pipe 100 by blower fan and blower fan adapter 120.
As shown in Figure 1 and Figure 2, air intake assembly includes air inlet pipe 130, nozzle of air supply 140 and spray orifice 141.
Air inlet pipe 130 runs through union elbow 110 and one end stretch to union elbow 110 in and extend in the first gas mixing pipe 100, the other end of air inlet pipe 130 connect with the air inlet source of combustion gas, and this air inlet pipe 130 lateral wall and union elbow 110 are connected.
Nozzle of air supply 140 is hollow structure, and its one end is positioned at the threaded one end of union elbow 110 and is connected and communicates with air inlet pipe 130 inside nozzle of air supply 140 with air inlet pipe 130, and nozzle of air supply 140 other end has the end of a taper type.
Spray orifice 141 has multiple and around being distributed on the conical surface of this end, and air inlet pipe 130 is communicated with the first gas mixing pipe 100 by this spray orifice 141.
Combustion gas mixes with air successively in air inlet pipe 130, nozzle of air supply 140 enter to the first gas mixing pipe 100 with spray orifice 141 and in the first gas mixing pipe 100 for the first time.
Arranging as it is shown in figure 1, the second gas mixing pipe 200 is erect, the lower end of this second gas mixing pipe 200 and the left end vertical connection of the first gas mixing pipe 100, under the effect of blower fan, the gas of first mixing constantly enters in the second gas mixing pipe 200.
As shown in Figure 1, mixed gas housing 300 is hollow structure, its upper end open, bottom lock, mixed gas housing 300 is internally formed You Hun gas chamber 310, offers the jack (not shown) run through bottom mixed gas housing 300 on mixed gas housing 300, and the second gas mixing pipe 200 is positioned at the lower section of mixed gas housing 300, in the upper end of the second gas mixing pipe 200 is inserted into jack and communicating with mixed gas chamber 310, mixed gas is entered in mixed gas chamber 310 by the second gas mixing pipe 200.
As it is shown in figure 1, be provided above fire cover body 400 at mixed gas housing 300, this fire cover body 400 includes lid 410 and burning cover 420.
Lid 410 is horizontally disposed nahlock shape, it is positioned at the opening part of mixed gas housing 300, the opening of mixed gas housing 300 is sealed and makes mixed gas to be gathered in mixed gas chamber 310 by lid 410, a through hole 411 is offered at the middle part of lid 410, a receiving hole 412 is had in lid 410 edge away from this through hole 411, periphery at lid 410 offers the multiple fire holes 413 vertically running through lid 410, the plurality of fire hole 413 is uniformly distributed in the periphery of lid 410, and the mixed gas in mixed gas chamber 310 is outside multiple fire holes 413 flow to mixed gas chamber 310.
Burning cover 420 is cylindric and erects setting, above-mentioned lid 410 is positioned at the lateral wall of burning cover 420 and lid 410 and is connected with burning cover 420 medial wall, this lid 410 can be one-body molded with burning cover 420, also can be integral by the installation shape in later stage, back-up ring 421 is outwardly extended in the lower end of burning cover 420, in burning cover 420 lower end is inserted into mixed gas housing 300 and being adjacent to mixed gas housing 300 medial wall, back-up ring 421 is against on the upper end end face of mixed gas housing 300 and prevents burning cover 420 and mixed gas housing 300 relative motion.
Burning cover 420 upper end highlights lid 410 upper surface and forms a combustion zone in burning cover 420, mixed gas enters this combustion zone after flowing out mixed gas chamber 310 and concentrates, mixed gas can be gathered in this combustion zone by this burning cover 420, the air-dried mixed gas disturbed in combustion zone in the external world can be prevented, to ensure mixed gas flameholding simultaneously.
As shown in Figure 1, the pneumatic module 500 that ignites connected with the source of the gas that ignites it is provided with in the outside of the second gas mixing pipe 200, the having of this pneumatic module 500 that ignites is ignited, and outside to stretch into the second gas mixing pipe 200 internal by the second gas mixing pipe 200 for trachea 510 and the trachea 510 that ignites, the trachea 510 that ignites stretches out lid 410 upper surface through overmulling gas chamber 310 and through above-mentioned through hole 411, by the pneumatic module 500 that ignites, pilot gas can be caused the medium position of lid 410.
Herein, the trachea 510 that ignites passes through to be welded to connect, to ensure that this junction has preferable sealing with the second gas mixing pipe 200.
Mixed gas housing 300 is provided with the spark plug 600 for igniting, the lower end of spark plug 600 is run through bottom mixed gas housing 300, mixed gas chamber 310 it is positioned in the middle part of spark plug 600, spark plug 600 upper end is through described receiving hole 412 and stretches into lid 410 upper surface, and the igniting core 610 of this spark plug 600 stretches to the outlet of the trachea 510 that ignites.
nullDuring work，Igniting core 610 is lighted a fire and first the pilot gas that the trachea 510 that ignites exports is lighted formation ever-burning flame，Then combustion gas is entered in the first gas mixing pipe 100 by air intake assembly，Blower fan works and makes the first gas mixing pipe 100 be passed through air，Combustion gas and air converge and at the first gas mixing pipe 100 in the first gas mixing pipe 100、Second gas mixing pipe 200、Repeatedly mix in mixed gas chamber 310，Flow out through fire hole 413 after and be ignited，Mixed gas is through repeatedly mixing，Especially first gas mixing pipe 100 is vertical with the second gas mixing pipe 200，Mixed gas is transferred when being entered in the second gas mixing pipe 200 by the first gas mixing pipe 100，Impact is produced with the second gas mixing pipe 200 when mixed gas contacts，Further enhance the mixed effect of combustion gas and air，Air is more uniform with combustion gas mixing，Gas mixing after-combustion efficiency is high.
On the basis of said structure, it has been made further improvement by the present invention.
As shown in Figures 3 to 5, this fire hole 413 is shaped like in triangle, it mainly includes base 413a, short hypotenuse 413b and tri-limits of long hypotenuse 413c, preferably, base 413a is positioned at lid 410 edge the lateral wall with lid 410 and overlaps, so, make fire hole processing convenient, short hypotenuse 413b and long hypotenuse 413c two ends with base 413a respectively are connected and all extend to lid 410 is internal, one end of short hypotenuse 413b is connected with one end of long hypotenuse 413c, the structure of this fire hole 413 is in addition to above-mentioned shape, may also be configured to arc, the shortest hypotenuse 413b and long hypotenuse 413c is arc-shaped side, therefore, the structure of fire hole 413 is not limited to said structure.
nullWhole fire hole 413 is extended by the most off-centered lopsidedness in lid 410 edge，That is，Line on the basis of the intersection point of long hypotenuse 413c and base 413a to the line of lid 410 central point，Whole fire hole 413 deviates the side of this datum line，An angle α is formed between the longest hypotenuse 413c and this datum line，Preferably，The angular range of this α is 30-45 °，The fire hole 413 being obliquely installed，The flame rotated is formed when mixed gas is burnt，Compensate for that adjacent 413 mixed gas of two fire holes are inadequate and uneven defect of burning，Further increase uniformity during burning，Improve burning quality，And through test，When the angular range of this α is between 30-45 °，The best results of giving vent to anger of fire hole 413，Certainly，This α is not limited in 30-45 ° of angular range.
It should be noted that this fire hole 413 can deviate any side of datum line according to the requirement to flame.
nullThe width of whole fire hole 413 is gradually reduced inside it by lid 410 edge，That is，The shape angle β for acute angle at an angle between short hypotenuse 413b and long hypotenuse 413c，Preferably，The angular range that angle β is is 15-18 °，Flame during mixed gas burning is to be determined by the diffusion trend of air-flow，The front end of each fire hole 413 is narrow，Therefore，Gas can be the most broadening part flowing，This air-flow can form the most soaring poly-flame when burning，Thus between burning cover 420 inwall, form heat radiation，Flame when mixed gas is burnt is more fierce，Improve the efficiency of combustion of mixed gas，After tested，When the angular range of this angle be 15-18 spend time，Flame effect is best，Efficiency of combustion is the highest，Certainly，The angle of this angle is also not necessarily limited in the range of 15-18 degree.
As improvement, one end of described short hypotenuse 413b and long hypotenuse 413c is connected by a top margin 413d, described top margin 413d is straight line or arc-shaped side, one top margin 413d is set between short hypotenuse 413b and long hypotenuse 413c, avoid short hypotenuse 413b to extend to the two with long hypotenuse 413c to intersect, so that angle between the two is easily cleared up, increase simultaneously mixed gas by time area, prevent mixed gas by time there is bigger noise.
As shown in Fig. 1, Fig. 6 to Fig. 8, the decompression diverter 320 communicated with the second gas mixing pipe 200 it is provided with in mixed gas housing 300, this decompression diverter 320 inner hollow, its upper end closed and lower end have an opening, and decompression diverter 320 lower end is buckled on above-mentioned jack and the diverter 320 that reduces pressure is internal communicates with the second gas mixing pipe 200.
Decompression diverter 320 sidewall offers and multiple is respectively communicated with decompression the diverter 320 and tap hole 321 of mixed gas chamber 310, preferably, tap hole 321 is divided into two groups and one of which tap hole 321 around being arranged at the sidewall upper of decompression diverter 320, and another component discharge orifice 321 is around being arranged at the side wall lower ends of decompression diverter 320 and separating with upper end tap hole 321.
Mixed gas under the effect of blower fan successively through the first gas mixing pipe 100, second gas mixing pipe 200 enters in mixed gas chamber 310, the flow velocity of mixed gas is fast, pressure is big, if flowing directly out mixed gas chamber 310, mixed gas air-flow then can be caused unstable, cause mixed gas burning insufficient and bigger noise can be produced, and after decompression diverter 320 is set, mixed gas is played barrier effect by decompression diverter 320, make the flows decrease of mixed gas, pressure is decreased to burn after required pressure and enters back in mixed gas chamber 310, mixed gas flows out through fire hole 413 after being evenly distributed in mixed gas chamber 310, make mixed gas burning more abundant, also reduce noise when mixed gas flows out.
In addition, mixed gas is transferred in the diverter 320 that reduces pressure again, and it produces impact with decompression diverter 320, makes mixed gas be sufficiently mixed again, further increases air and the mixed effect of combustion gas and efficiency of combustion.
What deserves to be explained is, according to real needs when using, tap hole 321 may be configured as one group, may be alternatively provided as many groups, it is not limited only to two groups, and the position of tap hole 321 is also not limited only to be opened on the sidewall of decompression diverter 320, also can be opened in the upper end of decompression separation device.
As improving further, the gas hood 430 that ignites being connected with lid 410 it is provided with in through hole 411 periphery, this gas hood 430 inside of igniting is similarly hollow form, its upper end closed, lower ending opening also communicates with the trachea 510 that ignites, the gas hood 430 that ignites offer around its end multiple and outside communicate draw combustion gas discharge port 431, pilot gas is successively through the trachea 510 that ignites, ignite gas hood 430, draw combustion gas discharge port 431 to flow out, above-mentioned igniting core 610 stretch to draw combustion gas discharge port 431 and with draw the spacing that combustion gas discharge port 431 keeps certain, to ensure that igniting core 610 can be lighted by drawing the pilot gas that combustion gas discharge port 431 flows out.
Herein, the gas hood 430 that ignites plays the effect slowing down pilot gas flow velocity, is put together by pilot gas simultaneously, it is to avoid pilot gas diffusion causes pilot gas unstable, thus ensure that mixed gas can normally be ignited by pilot gas.
As shown in Figures 3 to 5, upper surface at lid 410 offers the holding tank 414 being spaced with fire hole 413, described holding tank 414 is circular, holding tank 414 is with the center of lid 410 as the center of circle, described through hole 411 is positioned at holding tank 414 and communicates with holding tank 414, described in the gas hood 430 that ignites be positioned at holding tank 414 and embed in lid 410.
After mixed gas flows out, holding tank 414 can take a part of mixed gas in, thus adds the burning time of mixed gas, it is to avoid gas quickly distributes to surrounding and causes unnecessary waste after flowing out, thus improves burning quality.
As shown in Figure 1, it is provided with t-joint 210 between the first gas mixing pipe 100 and the second gas mixing pipe 200, this t-joint 210 has three interfaces, three interfaces are respectively upper interface, lower interface and horizontal interface, first gas mixing pipe 100 connects with horizontal interface, second gas mixing pipe 200 and upper orifice, be provided with blowdown pipe close 211 at lower interface.
Made by t-joint 210 that first gas mixing pipe 100 is vertical with the second gas mixing pipe 200 to be connected, mixed gas is transferred when entering in the second gas mixing pipe 200, mixed gas impacts to be disperseed on the second gas mixing pipe 200 and mixes further, condition is provided for the multistage mixing of mixed gas, and the first mixing tube and the second mixing tube are conveniently cleared up by reserved lower interface, lower interface then can be blocked by blowdown pipe close 211, it is to avoid situation about leaking air during burner operation.
The operation principle of the present invention is as follows:
Pilot gas is delivered to ignite gas hood 430 being sprayed by the combustion gas discharge port 431 that draws of the gas hood 430 that ignites by the trachea 510 that ignites, and igniting core 610 lights formation ever-burning flame by drawing the pilot gas that combustion gas discharge port 431 sprays.
Combustion gas is delivered in the first gas mixing pipe by air inlet pipe 130 and nozzle of air supply 140, and blower fan works and makes the first gas mixing pipe 100 be passed through air, and combustion gas and air converge in the first gas mixing pipe 100 and be mixed to form mixed gas first in the first gas mixing pipe 100.
Under the effect of blower fan, mixed gas is sent in the second gas mixing pipe 200, between the first gas mixing pipe 100 and the second gas mixing pipe under the effect of angle, when mixed gas enters the second gas mixing pipe 200, direction changes, disperse after producing impact with the second gas mixing pipe 200 when mixed gas contacts, and in the second gas mixing pipe 200 realize second time mixing so that mixed gas mixed effect more preferably, more uniform.
Mixed gas enters after mixing in the second gas mixing pipe 200 in decompression diverter 320, and mixed gas realizes third time mixing with decompression diverter 320 after contacting.
Mixed gas is in the tap hole 321 of decompression diverter 320 flows into mixed gas chamber 310 and realizes the 4th time and mixes, after flow out through fire hole 413 and to be lighted by ever-burning flame.
Mixed gas is through four mixing, especially first gas mixing pipe 100 is vertical with the second gas mixing pipe 200, and mixed gas is impacted when contacting with the second gas mixing pipe so that mixed gas mixing is more uniform, further enhancing the mixed effect of combustion gas and air, gas mixing after-combustion efficiency is high.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a gas burner, including
First gas mixing pipe, its one end communicates with outside and can be passed through air and combustion gas；
Second gas mixing pipe, its connect with the first gas mixing pipe and and the first gas mixing pipe between be formed with angle；
Mixed gas housing, its inside connects with the second gas mixing pipe；
Fire cover body, it is covered on mixed gas housing；
Fire hole, it has multiple and is uniformly distributed on fire cover body, and fire hole is extended by the most off-centered lopsidedness of fire cover body edges, and the width of fire hole is gradually reduced inside it by fire cover body edges；
Air and mix in mixed gas housing and is flowed out by fire hole at the first gas mixing pipe, the second gas mixing pipe successively with combustion gas.
A kind of gas burner the most according to claim 1, it is characterised in that: the deviation angle of described fire hole is 30-45 °.
A kind of gas burner the most according to claim 1 and 2, it is characterised in that: described fire hole has angle and this angle is acute angle in fire cover body interior shape.
A kind of gas burner the most according to claim 1, it is characterized in that: be provided with, in described mixed gas housing, the decompression diverter communicated with the second gas mixing pipe, being provided with multiple tap hole on decompression diverter, described tap hole is respectively communicated with decompression diverter and mixed gas housing.
A kind of gas burner the most according to claim 4, it is characterized in that: described tap hole is divided into two groups and one of which tap hole around being arranged at the sidewall upper of decompression diverter, and another component discharge orifice is around being arranged at the side wall lower ends of decompression diverter and separating with upper end tap hole.
A kind of gas burner the most according to claim 1, it is characterised in that: described fire cover body includes
Burning cover, it is connected with mixed gas housing；
Lid, it is positioned at burning cover and is connected with burning cover, and burning cover upper end highlights lid upper surface, and described fire hole is distributed in lid periphery and is extended in the middle part of lid by the lateral wall of lid.
A kind of gas burner the most according to claim 6, it is characterized in that: the middle part of described lid offers the through hole passed through for the trachea that ignites, be provided with the gas hood that ignites being connected with lid in through hole periphery, described in ignite gas hood offer around its end multiple and outside communicate draw combustion gas discharge port.
8. according to a kind of gas burner described in claim 6 or 7, it is characterized in that: the upper surface of described lid is provided with the holding tank being spaced with fire hole, described through hole is positioned at holding tank and communicates with holding tank, described in the gas hood that ignites be positioned at holding tank and embed in lid.
A kind of gas burner the most according to claim 1, it is characterized in that: between described first gas mixing pipe and the second gas mixing pipe, be provided with t-joint, perpendicular with t-joint respectively two interfaces of first gas mixing pipe and the second gas mixing pipe are connected, and another seam is provided with blowdown pipe close.
A kind of gas burner the most according to claim 1, it is characterised in that: this burner also includes air intake assembly, and described air intake assembly includes
Air inlet pipe, it is connected with the first gas mixing pipe and one end is stretched in the first gas mixing pipe；
Nozzle of air supply, it is connected with air inlet pipe one end and communicates；
Spray orifice, it tilts to run through nozzle of air supply from inside to outside, and described spray orifice has multiple and around being distributed in nozzle of air supply end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342021.0A CN105823042B (en) | 2016-05-20 | 2016-05-20 | Fuel gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342021.0A CN105823042B (en) | 2016-05-20 | 2016-05-20 | Fuel gas burner |
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| Publication Number | Publication Date |
|---|---|
| CN105823042A true CN105823042A (en) | 2016-08-03 |
| CN105823042B CN105823042B (en) | 2017-05-03 |
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| CN201610342021.0A Active CN105823042B (en) | 2016-05-20 | 2016-05-20 | Fuel gas burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730975A (en) * | 2017-04-24 | 2018-11-02 | 上海诺特飞博燃烧设备有限公司 | Diffusion type all-premixing burner |
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| KR20020032494A (en) * | 2002-04-09 | 2002-05-03 | 핀튜브텍(주) | Gasboiler with Premixed flame burner |
| CN2839835Y (en) * | 2005-08-30 | 2006-11-22 | 谭六明 | Stove burner external flame-dividing cover |
| CN201593788U (en) * | 2009-10-30 | 2010-09-29 | 傅金栋 | Energy-saving environment-friendly burner |
| CN103574601A (en) * | 2013-11-11 | 2014-02-12 | 广东美的厨房电器制造有限公司 | Premixing combustor and gas stove |
| CN205842646U (en) * | 2016-05-20 | 2016-12-28 | 宁海县吉宁厨具有限公司 | A kind of gas burner |
-
2016
- 2016-05-20 CN CN201610342021.0A patent/CN105823042B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020032494A (en) * | 2002-04-09 | 2002-05-03 | 핀튜브텍(주) | Gasboiler with Premixed flame burner |
| CN2839835Y (en) * | 2005-08-30 | 2006-11-22 | 谭六明 | Stove burner external flame-dividing cover |
| CN201593788U (en) * | 2009-10-30 | 2010-09-29 | 傅金栋 | Energy-saving environment-friendly burner |
| CN103574601A (en) * | 2013-11-11 | 2014-02-12 | 广东美的厨房电器制造有限公司 | Premixing combustor and gas stove |
| CN205842646U (en) * | 2016-05-20 | 2016-12-28 | 宁海县吉宁厨具有限公司 | A kind of gas burner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730975A (en) * | 2017-04-24 | 2018-11-02 | 上海诺特飞博燃烧设备有限公司 | Diffusion type all-premixing burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105823042B (en) | 2017-05-03 |
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