CN107314372A - The burner of gas heater - Google Patents
The burner of gas heater Download PDFInfo
- Publication number
- CN107314372A CN107314372A CN201710595483.8A CN201710595483A CN107314372A CN 107314372 A CN107314372 A CN 107314372A CN 201710595483 A CN201710595483 A CN 201710595483A CN 107314372 A CN107314372 A CN 107314372A
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- Prior art keywords
- gas
- flame
- mixed
- burner
- injection passage
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The present invention relates to a kind of burner of gas heater, including shell and inner casing, inner casing has the first injection passage, the second injection passage and the first mixed air cavity.Shell is provided with receiving space, inner casing is installed in receiving space, the second mixed air cavity is formed between inner casing and shell, one end of first injection passage is provided with the first air inlet, first injection passage is connected with the first mixed air cavity, one end of second injection passage is provided with the second air inlet, and the second injection passage is connected with the second mixed air cavity.The top of inner casing is provided with the first flame hole connected with the first mixed air cavity, and the top of shell is provided with the second flame hole connected with the second mixed air cavity, and the second flame hole is located at the both sides of the first flame hole.The burner of above-mentioned gas heater realizes reduction nitrogen oxide emission on the premise of combustion gas utilization rate is not reduced, so that the burner of above-mentioned gas heater is conducive to environmental protection.
Description
Technical field
The present invention relates to fuel gas buring technical field, more particularly to a kind of burner of gas heater.
Background technology
In the burner of traditional combustion gas gas heater, NOXGas (nitrogen oxides) discharge capacity is high.Nitrogen oxides can be pierced
Swash lung, make one the respiratory disease of more difficult resistance flu etc.In addition, the nitrogen oxygen based on nitric oxide and nitrogen dioxide
Compound is the major reason to form photochemical fog and acid rain.Photochemical fog has special odor, stimulates eyes, injury
Plant, and atmospheric visibility can be reduced.Therefore, the burner of traditional combustion gas gas heater produces more NOXGas,
It is unfavorable for environmental protection.
The content of the invention
Based on this, it is necessary to which there is provided a kind of burning for the gas heater for being beneficial to environmental protection the problem of for being unfavorable for environmental protection
Device.
There is a kind of burner of gas heater, including shell and inner casing, the inner casing the first injection passage, second to draw
Passage and the first mixed air cavity are penetrated, the shell is provided with receiving space, and the inner casing is installed in the receiving space, it is described interior
The second mixed air cavity is formed between shell lateral wall and the housing interior side-wall, one end of the first injection passage is entered provided with first
Gas port, the first injection passage is connected with first mixed air cavity, and one end of the second injection passage is entered provided with second
Gas port, the second injection passage is connected with second mixed air cavity；
The top of the inner casing is provided with the top of the first flame hole connected with first mixed air cavity, the shell and set
There is the second flame hole connected with second mixed air cavity, second flame hole is located at the both sides of first flame hole.
The burner of gas heater of the present invention beneficial effect produced compared with background technology：Light flame is mixed
Close gas and pass sequentially through the first air inlet, the first injection passage and the first mixed air cavity, and burnt at the first flame hole, formed
Light flame zone.Dense flame mixed gas passes sequentially through the second air inlet, the second injection passage and the second mixed air cavity, and second
Burnt at flame hole, form dense flame zone.Light flame mixed gas is burnt under excessive air, causes flame temperature by excessive
Air is reduced.Dense flame mixed gas carries out imperfect combustion under anoxic conditions, so that flame temperature is reduced.Flame temperature
Degree reduction, causes nitrogen oxide emission to reduce, so as to be conducive to environmental protection.Meanwhile, the second flame hole is located at the first flame hole
Both sides, so that unburnt combustion gas enters the light flame region of air excess and forms secondary mixed in dense flame mixed gas
Combination burning, finally achievable combustion gas and the cmpletely burning of air, improve the utilization rate of combustion gas.Therefore, above-mentioned gas and hot water
The burner of device realizes reduction nitrogen oxide emission on the premise of combustion gas utilization rate is not reduced, so that above-mentioned gas heater
Burner be conducive to environmental protection.
In one of the embodiments, second flame hole is higher than first flame hole.In this way, dense flame zone with it is light
Flame zone is distributed design in difference in height, flame can be made effectively to flock together, and flame is more stablized.
In one of the embodiments, the burner of above-mentioned gas heater also includes inner core, and the inner core is installed on institute
State in the first mixed air cavity, the inner core is provided with gas flow, described gas flow one end is connected with first mixed air cavity,
The gas flow other end is located at first flame hole；The gas flow is multiple, middle gas flow
Other end end of the other end end higher than the gas flow on both sides.Inner core is provided with multiple gas flows, can be by first
Light flame mixed gas in mixed air cavity is divided into multiply air-flow, and then forms at the top of inner casing multiple first flame holes.
The middle gas flow other end end is higher than the other end end of the gas flow on both sides, so that multiple first fire
Hungry ghosts who spit fire forms middle high, the low distribution in both sides, and is arranged with the second flame hole in height fluctuating, so as to make flame effectively gather
Gather together, flame is more stablized.
In one of the embodiments, second flame hole is higher by the first flame hole 1mm to 5mm, middle institute
State the other end end 0.3mm to 1.5mm that gas flow other end end is higher by the gas flow on both sides.
In one of the embodiments, first air inlet and second air inlet are located at the same of the inner casing
Side, the sectional area of first air inlet is more than the sectional area of second air inlet.First air inlet and the second air inlet position
In the same side of inner casing, it is easy to combustion gas to respectively enter the first injection passage and the second injection passage from the same side of inner casing.Combustion gas
First injection passage is entered by the first air inlet, and is involved in the air of the first air inlet annex and enters the first injection passage.Combustion
Gas and the air being involved in are mixed to form the first mixed gas.Combustion gas enters the second injection passage by the second air inlet, and is involved in
The air of second air inlet annex enters the second injection passage.Combustion gas and the air being involved in are mixed to form the second mixed gas.By
It is more than the sectional area of the second air inlet in the sectional area of the first air inlet, so the AIR Proportional of the first mixed gas is more than second
The AIR Proportional of mixed gas, the first mixed gas is light flame mixed gas, and the second mixed gas is dense flame mixed gas.
Light flame mixed gas is burnt under excessive air, causes flame temperature to be reduced by excessive air.Dense flame mixed gas
Imperfect combustion is carried out under anoxic conditions, so that flame temperature is reduced.Flame temperature is reduced, and causes nitrogen oxide emission
Reduction, so as to be conducive to environmental protection.
In one of the embodiments, the first injection passage includes air intake duct, mixing tube and the diffusion being sequentially communicated
Pipe, the length of the mixing tube is more than the length of the diffuser pipe, and the length of the diffuser pipe is more than the length of the air intake duct.
In this way, the length of mixing tube, diffuser pipe and air intake duct is sequentially reduced.The length of mixing tube is most long, is conducive to combustion gas and air to exist
It is sufficiently mixed before into diffuser pipe so that speed difference, concentration field and temperature field are in uniform in light flame mixed gas
Distribution.
In one of the embodiments, the inlet calibre of the air intake duct is more than the outlet bore of the air intake duct, described
The inlet calibre of diffuser pipe is less than the outlet bore of the diffuser pipe.In this way, when combustion gas is by air intake duct, the flow velocity of combustion gas increases
Greatly, the injection effect of injection air is effectively lifted so that the air of the first air inlet annex is more involved in the first injection and led to
In road.When light flame mixed gas is by diffuser pipe, the part dynamic pressure of light flame mixed gas is changed into static pressure, to improve light flame
The pressure of mixed gas, while being conducive to combustion gas to be further well mixed with air, effectively reduces the stream of light flame mixed gas
Dynamic speed.
In one of the embodiments, the other end closing of the second injection passage, the side of the second injection passage
Wall opens up multiple passages, and the passage is connected with second mixed air cavity.Dense flame mixed gas by passage from
The second injection passage is opened, into the second mixed air cavity.
In one of the embodiments, the inner casing includes two inner panels being connected with each other, and the shell includes mutually interconnecting
Two outside plates connect, described two outside plates are arranged at the outside of described two inner panels, described two outside plates and described two inner panels
Connection, forms two second mixed air cavities between described two outside plates and described two inner panels.In this way, inner casing is located at two
Between two the second mixed air cavities formed between outside plate and two inner panels so that the second flame hole is located at the two of the first flame hole
Side, so that unburnt combustion gas enters the light flame region of air excess and forms secondary mixing in dense flame mixed gas
Burning, finally achievable combustion gas and the cmpletely burning of air, improve the utilization rate of combustion gas.
In one of the embodiments, the outside plate is provided with strip groove towards close to the inner panel direction, and the strip is recessed
One end of groove from the outside plate extends to the other end of the outside plate.Outside plate is provided with strip groove towards close to inner panel direction, from
And strip groove narrows the second mixed air cavity, being easy to dense flame mixed gas, further mixing is equal in the second mixed air cavity
It is even.In addition, strip groove extends to the other end of outside plate from one end of outside plate so that the flow velocity of the second gaseous mixture intracavity gas is equal
Reduction so that the concentration field and velocity field of gas are uniform, more stablizes so that dense flame mixed gas is burnt in the second flame hole.
Brief description of the drawings
Fig. 1 is the structural representation of the burner of gas heater in the embodiment of the present invention；
Fig. 2 is the schematic diagram of simulation model for mixing gases flows in the embodiment of the present invention；
Fig. 3 is sectional views of the Fig. 2 along M-M lines；
Fig. 4 is enlarged drawing at Fig. 3 A；
Fig. 5 is the structural representation of inner core in the embodiment of the present invention；
Fig. 6 is the structural representation of inner casing in the embodiment of the present invention；
Fig. 7 is the structural representation of shell in the embodiment of the present invention.
100th, shell, 101, receiving space, the 102, second mixed air cavity, the 103, second flame hole, 104, outside plate, 105, long
Bar groove, 200, inner casing, the 201, first injection passage, the 202, second injection passage, the 203, first mixed air cavity, 204, first enters
Gas port, the 205, second air inlet, the 206, first flame hole, 207, air intake duct, 208, mixing tube, 209, diffuser pipe, 210, ventilation
Hole, 211, inner panel, 300, inner core, 301, gas flow.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Plus it is thorough comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when, do not deposit
In intermediary element.Heretofore described " first ", " second " do not represent specific quantity and order, are only used for the area of title
Point.
As shown in Figures 1 to 4, a kind of burner of gas heater, including shell 100 and inner casing 200.Inner casing 200 has
There are the first injection passage 201, the second injection passage 202 and the first mixed air cavity 203.Shell 100 is provided with receiving space 101.It is interior
Shell 200 is installed in receiving space 101.The second mixed air cavity 102 is formed between the lateral wall of inner casing 200 and the madial wall of shell 100.
One end of first injection passage 201 is provided with the first air inlet 204.First injection passage 201 is connected with the first mixed air cavity 203.
One end of second injection passage 202 is provided with the second air inlet 205.Second injection passage 202 is connected with the second mixed air cavity 102.
The top of inner casing 200 is provided with the first flame hole 206 connected with the first mixed air cavity 203.The top of shell 100 is set
There is the second flame hole 103 connected with the second mixed air cavity 102.Second flame hole 103 is located at the both sides of the first flame hole 206.
The burner beneficial effect produced compared with background technology of the gas heater of the present invention：Light flame gaseous mixture
Body passes sequentially through the first air inlet 204, the first injection passage 201 and the first mixed air cavity 203, and at the first flame hole 206
Burning, forms light flame zone.It is mixed that dense flame mixed gas passes sequentially through the second air inlet 205, the second injection passage 202 and second
Air cavity 102 is closed, and is burnt at the second flame hole 103, dense flame zone is formed.Light flame mixed gas is fired under excessive air
Burn, cause flame temperature to be reduced by excessive air.Dense flame mixed gas carries out imperfect combustion under anoxic conditions,
So as to flame temperature reduction.Flame temperature is reduced, and causes nitrogen oxide emission to reduce, so as to be conducive to environmental protection.Meanwhile, second
Flame hole 103 is located at the both sides of the first flame hole 206, so that unburnt combustion gas enters sky in dense flame mixed gas
The superfluous light flame region of gas forms secondary mixed combustion, and finally achievable combustion gas and the cmpletely burning of air, improve combustion
The utilization rate of gas.Therefore, the burner of above-mentioned gas heater realizes reduction nitrogen oxygen on the premise of combustion gas utilization rate is not reduced
Compound discharge capacity, so that the burner of above-mentioned gas heater is conducive to environmental protection.
Wherein, to those skilled in the art, the normal equivalent of combustion gas and air is known with ratio.Light flame is mixed
Close in gas, the equivalent of combustion gas and air deviates normal equivalent with ratio and matches somebody with somebody ratio so that the air ratio of light flame mixed gas
Example is high.In dense flame mixed gas, the equivalent of combustion gas and air deviates normal equivalent with ratio and matches somebody with somebody ratio so that dense flame mixing
The AIR Proportional of gas is low.Therefore, in the technical scheme of the application, the equivalent proportioning of combustion gas and air in light flame mixed gas
Value deviates normal equivalent and matches somebody with somebody ratio so that the AIR Proportional of light flame mixed gas is high；Combustion gas and sky in dense flame mixed gas
The equivalent of gas deviates normal equivalent with ratio and matches somebody with somebody ratio so that the AIR Proportional of dense flame mixed gas is low.In this way, light flame is mixed
Close gas to burn to form light flame, dense flame mixed gas burns to form dense flame.
In addition, the lateral wall of the side of inner casing 200 and madial wall one the second mixed air cavity 102 of formation of the side of shell 100,
The lateral wall of the opposite side of inner casing 200 forms another second mixed air cavity 102 with the madial wall of the opposite side of shell 100.In this way,
Second mixed air cavity 102 is located at the both sides of the first mixed air cavity 203, so that the second flame hole 103 is located at the first flame hole 206
Both sides, dense flame zone is located at the both sides of light flame zone.Dense flame also there is good steady flame to act on light flame, it is to avoid from flame
The generation of phenomenon.
Further, as shown in Figure 3 and Figure 4, the second flame hole 103 is higher than the first flame hole 206.In this way, dense flame zone
It is distributed and designs in difference in height with light flame zone, flame can be made effectively to flock together, flame is more stablized.
Specifically, as shown in figure 5, the burner of above-mentioned gas heater also includes inner core 300.Inner core 300 is installed on
In one mixed air cavity 203, inner core 300 is provided with gas flow 301.The one end of gas flow 301 is connected with the first mixed air cavity 203,
The other end of gas flow 301 is located at the first flame hole 206.Gas flow 301 is multiple, and middle gas flow 301 is another
End is held higher than the other end end of the gas flow 301 on both sides.Inner core 300 is provided with multiple gas flows 301, can be by first
Light flame mixed gas in mixed air cavity 203 is divided into multiply air-flow, and then forms at the top of inner casing 200 multiple first fire
Hungry ghosts who spit fire 206 so that light flame mixed gas is divided into multiply, and light flame mixed gas burning more in order, is more stablized.Middle
The other end end of gas flow 301 is higher than the other end end of the gas flow 301 on both sides, so that multiple first flame holes 206
High, the low distribution in both sides in the middle of being formed, and arranged with the second flame hole 103 in just rising and falling, so as to make flame effectively gather
Gather together, flame is more stablized.
Further, as shown in figure 5, the flame hole 206 of the second flame hole 103 to the first is higher by 1mm to 5mm.Middle gas
The other end end of body runner 301 is higher by the other end end 0.3mm to 1.5mm of the gas flow 301 on both sides.Imitated by multiple
The height relationships of true experiment and physical test, the second flame hole 103 and the first flame hole 206, dense flame is not caused only effectively
Unburnt combustion gas enters the light flame region of air excess and forms secondary mixed combustion in mixed gas, and causes
Burning is more stablized.By multiple l-G simulation test and physical test, the height of the other end end of multiple gas flows 301 is closed
System so that the flame of multiple formation of first flame hole 206 can more efficiently flock together, and make flame more stablize.
Specifically, the flame hole 206 of the second flame hole 103 to the first is higher by 1.5mm.The middle other end of gas flow 301
Other end end 0.5mm of the end higher than the gas flow 301 on both sides.
Further, as shown in Fig. 3, Fig. 4 and Fig. 6, the first air inlet 204 and the second air inlet 205 are located at inner casing 200
The same side.The sectional area of first air inlet 204 is more than the sectional area of the second air inlet 205.First air inlet 204 and the second air inlet
Mouthfuls 205 are located at the same side of inner casing 200, are easy to combustion gas to respectively enter the first injection passage 201 and the from the same side of inner casing 200
Two injection passages 202.Combustion gas enters the first injection passage 201 by the first air inlet 204, and it is attached to be involved in the first air inlet 204
The air of part enters the first injection passage 201.Combustion gas and the air being involved in are mixed to form the first mixed gas.Combustion gas passes through second
Air inlet 205 enter the second injection passage 202, and be involved in the annex of the second air inlet 205 air enter the second injection passage
202.Combustion gas and the air being involved in are mixed to form the second mixed gas.Because the sectional area of the first air inlet 204 enters more than second
The sectional area of gas port 205, so the AIR Proportional of the first mixed gas is more than the AIR Proportional of the second mixed gas, the first mixing
Gas is light flame mixed gas, and the second mixed gas is dense flame mixed gas.Light flame mixed gas is under excessive air
Burning, causes flame temperature to be reduced by excessive air.Dense flame mixed gas carries out incomplete combustion under anoxic conditions
Burn, so that flame temperature is reduced.Flame temperature is reduced, and causes nitrogen oxide emission to reduce, so as to be conducive to environmental protection.
Specifically, the sectional area of the first air inlet 204 is 3 times to 6 times of sectional area of the second air inlet 205.In this way, the
The sectional area of one air inlet 204 is of moderate size so that the AIR Proportional of light flame mixed gas is high, so that flame temperature is reduced,
Avoid AIR Proportional too high simultaneously, it is to avoid heat energy is wasted.Meanwhile, the sectional area of the second air inlet 205 is of moderate size so that
The AIR Proportional of dense flame mixed gas is low, can reduce flame temperature, while avoiding air very few, it is to avoid waste is not filled excessively
The combustion gas of divided combustion.
Further, it is air intake duct 207 that the first injection passage 201 includes being sequentially communicated, mixed as shown in Fig. 3, Fig. 4 and Fig. 6
Close pipe 208 and diffuser pipe 209.The length of mixing tube 208 is more than the length of diffuser pipe 209.The length of diffuser pipe 209 is more than air-breathing
The length of pipe 207.In this way, the length of mixing tube 208, diffuser pipe 209 and air intake duct 207 is sequentially reduced.The length of mixing tube 208
It is most long, be conducive to combustion gas and air to be sufficiently mixed before diffuser pipe 209 is entered so that fast in light flame mixed gas
Spend poor, concentration field and temperature field is evenly distributed.
Further, as shown in Fig. 3, Fig. 4 and Fig. 6, the inlet calibre of air intake duct 207 is more than the outlet mouthful of air intake duct 207
Footpath.The inlet calibre of diffuser pipe 209 is less than the outlet bore of diffuser pipe 209.In this way, when combustion gas is by air intake duct 207, combustion gas
Flow velocity increases, and effectively lifts the injection effect of injection air so that the air of the annex of the first air inlet 204 is more involved in the
In one injection passage 201.When light flame mixed gas is by diffuser pipe 209, the part dynamic pressure of light flame mixed gas is changed into quiet
Pressure, to improve the pressure of light flame mixed gas, while being conducive to combustion gas to be further well mixed with air, effectively reduces light fire
The flowing velocity of flame mixed gas.
Specifically, the entrance section product of air intake duct 207 is 2 times to 4 times of discharge area of air intake duct 207.Air intake duct
The Way out of 207 the caliber entrance along air intake duct 207 to air intake duct 207 is gradually reduced.207 liang of end cross-sectional areas of air intake duct
Multiple proportion, can not only increase the flow velocity of light flame mixed gas, and the resistance of light flame mixed gas can be avoided to damage
Lose excessive.
In addition, Way out rounding off of entrance of the caliber of air intake duct 207 along air intake duct 207 to air intake duct 207, energy
It is enough effectively to reduce the drag losses of light flame mixed gas, the flow velocity of injection air is lifted, so as to lift the injection of injection air
Effect.
Further, as shown in Fig. 3, Fig. 4 and Fig. 6, the other end closing of the second injection passage 202.Second injection passage
202 side wall opens up multiple passages 210.Passage 210 is connected with the second mixed air cavity 102.Dense flame mixed gas passes through
Passage 210 leaves the second injection passage 202, into the second mixed air cavity 102.
Specifically, the number of passage 210 is 4 to 8.The aperture of passage 210 is 1.5mm to 3mm.In this way, ventilation
The number in hole 210 and the aperture of passage 210 ensure that the flow of dense flame mixed gas preferably, can effectively guide dense
Flame mixed gas enters the second mixed air cavity 102.
Further, as shown in Fig. 3, Fig. 4 and Fig. 6, inner casing 200 includes two inner panels 211 being connected with each other.Shell 100
Two outside plates 104 including interconnection.Two outside plates 104 are arranged at the outside of two inner panels 211.Two outside plates 104 and two
Individual inner panel 211 is connected.Two the second mixed air cavities 102 are formed between two outside plates 104 and two inner panels 211.In this way, inner casing
200 are located between two the second mixed air cavities 102 formed between two outside plates 104 and two inner panels 211 so that the second flame
Mouth 103 is located at the both sides of the first flame hole 206, so that unburnt combustion gas enters air mistake in dense flame mixed gas
Surplus light flame region forms secondary mixed combustion, and finally achievable combustion gas and the cmpletely burning of air, improve combustion gas
Utilization rate.
Further, as shown in Fig. 1, Fig. 3 and Fig. 7, outside plate 104 is provided with strip groove 105 towards close to the direction of inner panel 211.
One end of strip groove 105 from outside plate 104 extends to the other end of outside plate 104.Outside plate 104 is set towards close to the direction of inner panel 211
There is strip groove 105, so that strip groove 105 narrows the second mixed air cavity 102, be easy to dense flame mixed gas mixed second
Close and be further well mixed in air cavity 102.In addition, one end of strip groove 105 from outside plate 104 extends to the another of outside plate 104
End so that the flow velocity of gas is reduced in the second mixed air cavity 102 so that the concentration field and velocity field of gas are uniform, so that dense
Flame mixed gas is burnt in the second flame hole 103 more to be stablized.Wherein, strip groove 105 can be manufactured by die mould technique
Form.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of burner of gas heater, it is characterised in that including shell (100) and inner casing (200), the inner casing
(200) there is the first injection passage (201), the second injection passage (202) and the first mixed air cavity (203), the shell (100)
Provided with receiving space (101), the inner casing (200) is installed in the receiving space (101), inner casing (200) lateral wall
The second mixed air cavity (102) is formed between the shell (100) madial wall, one end of the first injection passage (201) is set
There is the first air inlet (204), the first injection passage (201) connects with first mixed air cavity (203), and described second draws
The one end for penetrating passage (202) is provided with the second air inlet (205), the second injection passage (202) and second mixed air cavity
(102) connect；
The top of the inner casing (200) is provided with the first flame hole (206) connected with first mixed air cavity (203), described
The top of shell (100) is provided with the second flame hole (103) connected with second mixed air cavity (102), second flame
Mouth (103) is located at the both sides of first flame hole (206).
2. the burner of gas heater according to claim 1, it is characterised in that second flame hole (103) is high
In first flame hole (206).
3. the burner of gas heater according to claim 2, it is characterised in that also including inner core (300), described interior
Core (300) is installed in first mixed air cavity (203), and the inner core (300) is provided with gas flow (301), the gas
Runner (301) one end is connected with first mixed air cavity (203), and gas flow (301) other end is located at described first
Flame hole (206) place；The gas flow (301) is that multiple, the middle gas flow (301) other end ends are higher than two
The other end end of the gas flow (301) on side.
4. the burner of gas heater according to claim 3, it is characterised in that second flame hole (103) is high
Go out the first flame hole (206) 1mm to 5mm, the middle gas flow (301) other end end is higher by the described of both sides
The other end end 0.3mm to 1.5mm of gas flow (301).
5. the burner of gas heater according to claim 1, it is characterised in that first air inlet (204) and
Second air inlet (205) is located at the same side of the inner casing (200), and the sectional area of first air inlet (204) is more than
The sectional area of second air inlet (205).
6. the burner of gas heater according to claim 1, it is characterised in that the first injection passage (201)
Including the air intake duct (207), mixing tube (208) and diffuser pipe (209) being sequentially communicated, the length of the mixing tube (208) is more than
The length of the diffuser pipe (209), the length of the diffuser pipe (209) is more than the length of the air intake duct (207).
7. the burner of gas heater according to claim 6, it is characterised in that the entrance of the air intake duct (207)
Bore is more than the outlet bore of the air intake duct (207), and the inlet calibre of the diffuser pipe (209) is less than the diffuser pipe
(209) outlet bore.
8. the burner of gas heater according to claim 1, it is characterised in that the second injection passage (202)
Other end closing, the side wall of the second injection passage (202) opens up multiple passages (210), the passage (210) with
Second mixed air cavity (102) connection.
9. the burner of the gas heater according to claim 1 to 8 any one, it is characterised in that the inner casing
(200) two inner panels (211) being connected with each other are included, the shell (100) includes two outside plates (104) being connected with each other, institute
State the outside that two outside plates (104) are arranged at described two inner panels (211), described two outside plates (104) and described two inner panels
(211) connect, two second mixed air cavities are formed between described two outside plates (104) and described two inner panels (211)
(102)。
10. the burner of gas heater according to claim 9, it is characterised in that the outside plate (104) is towards close to institute
Inner panel (211) direction is stated provided with strip groove (105), the strip groove (105) extends to from one end of the outside plate (104)
The other end of the outside plate (104).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595483.8A CN107314372B (en) | 2017-07-19 | 2017-07-19 | Burner of gas water heater |
| ES201830366U ES1212364Y (en) | 2017-07-19 | 2018-03-16 | GAS WATER HEATER BURNER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595483.8A CN107314372B (en) | 2017-07-19 | 2017-07-19 | Burner of gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314372A true CN107314372A (en) | 2017-11-03 |
| CN107314372B CN107314372B (en) | 2022-12-20 |
Family
ID=60178050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710595483.8A Active CN107314372B (en) | 2017-07-19 | 2017-07-19 | Burner of gas water heater |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107314372B (en) |
| ES (1) | ES1212364Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954317A (en) * | 2018-05-30 | 2018-12-07 | 上海禾森机电有限公司 | A kind of low NO of the negative pressure of wall-hung boilerxBurner |
| CN110296401A (en) * | 2019-07-31 | 2019-10-01 | 广东万和新电气股份有限公司 | Shade burner and gas combustion apparatus |
| CN110307541A (en) * | 2019-06-12 | 2019-10-08 | 上海禾森机电有限公司 | A kind of chimney flue type bias combustion low NO |
| CN110513681A (en) * | 2018-05-22 | 2019-11-29 | 沃加斯布鲁恰托里有限责任公司 | Modular burner |
| CN114396621A (en) * | 2021-12-22 | 2022-04-26 | 重庆海尔热水器有限公司 | Fire grate, combustor and gas water heater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205351315U (en) * | 2015-12-31 | 2016-06-29 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas heater who has it |
| CN207049918U (en) * | 2017-07-19 | 2018-02-27 | 广东万和新电气股份有限公司 | The burner of gas heater |
-
2017
- 2017-07-19 CN CN201710595483.8A patent/CN107314372B/en active Active
-
2018
- 2018-03-16 ES ES201830366U patent/ES1212364Y/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205351315U (en) * | 2015-12-31 | 2016-06-29 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas heater who has it |
| CN207049918U (en) * | 2017-07-19 | 2018-02-27 | 广东万和新电气股份有限公司 | The burner of gas heater |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513681A (en) * | 2018-05-22 | 2019-11-29 | 沃加斯布鲁恰托里有限责任公司 | Modular burner |
| CN108954317A (en) * | 2018-05-30 | 2018-12-07 | 上海禾森机电有限公司 | A kind of low NO of the negative pressure of wall-hung boilerxBurner |
| CN110307541A (en) * | 2019-06-12 | 2019-10-08 | 上海禾森机电有限公司 | A kind of chimney flue type bias combustion low NO |
| CN110296401A (en) * | 2019-07-31 | 2019-10-01 | 广东万和新电气股份有限公司 | Shade burner and gas combustion apparatus |
| CN110296401B (en) * | 2019-07-31 | 2024-09-13 | 广东万和新电气股份有限公司 | Rich and lean burner and gas device |
| CN114396621A (en) * | 2021-12-22 | 2022-04-26 | 重庆海尔热水器有限公司 | Fire grate, combustor and gas water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| ES1212364U (en) | 2018-05-17 |
| ES1212364U9 (en) | 2018-08-14 |
| ES1212364Y (en) | 2018-09-07 |
| CN107314372B (en) | 2022-12-20 |
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