CN107917421B - Burner - Google Patents
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- Publication number
- CN107917421B CN107917421B CN201610882077.5A CN201610882077A CN107917421B CN 107917421 B CN107917421 B CN 107917421B CN 201610882077 A CN201610882077 A CN 201610882077A CN 107917421 B CN107917421 B CN 107917421B
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- China
- Prior art keywords
- pipeline section
- section
- gas outlet
- flame
- fire row
- Prior art date
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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
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at 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
- F23D14/70—Baffles or like flow-disturbing devices
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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 provides a kind of burners, it include one to enter tracheae and a fire row, wherein it includes one first pipeline section and one second pipeline section that this, which enters tracheae in horizontal U-shaped, first pipeline section has an air intake, which has a gas outlet along the axially extending of second pipeline section；Second pipeline section has at least one to inside contract section, which is less than this and inside contracts the channel sectional area of section two sides adjacent area；The fire row is incorporated into second pipeline section and is located above the gas outlet, which there are multiple flame holes to communicate with the gas outlet.Therefore, this inside contract section and enable include gas air-flow it is average be delivered to fire row, after allowing the air-flow exported from flame hole to be ignited, the combustion range of flame is average, promotes efficiency of combustion.
Description
Technical field
The present invention is related with heating device；Particularly relating to one kind makes gas more sufficiently cause burning more equal with air mixing
Even burner.
Background technique
Fig. 1 is existing burner 1, and it includes have a main body 2 and a fire row 3.The main body 2 is by stamped at pre-
Two symmetrical plates of setting shape are formed, and enter tracheae 2a in horizontal U-shaped with one inside the main body 2.This enters tracheae 2a's
One end has an air intake 2b, is injected with for gas and air.The fire row 3 is in elongated and is set to 2 top of main body, the fire
Offer multiple flame hole 3a on row 3, these flame hole 3a along fire row 3 long axial alignment and enter tracheae 2a with this and communicate.After mixing
Gas and air enter tracheae 2a via this and exported again from each flame hole 3a of the fire row 3, and the after damp that ignited forms fire
Flame.
Though existing 1 incendivity gas of burner generates flame, however, the tracheae 2a that enters of the main body 2 is set in what is curved
Meter enters when curving of tracheae 2a by this by the air-flow of the air intake 2b gas and air injected, and most of includes watt
The airflow collision of this and air, which will enter to this behind turning tracheae 2a, so that most of air-flows is turned left water conservancy diversion by toward left steering, then
Gradually contracted from the right side toward the left side after curving former in addition this enters tracheae 2a, most of air-flow will enter gas along this after curving
These flame hole 3a output of left side before the tube wall of pipe 2a and then toward the fire row 3.Situation above-mentioned will cause the fire row 3
The air-flow of gas and air that these flame holes 3a is exported is by a left side and the right side gradually decreases.
It please cooperate Fig. 2, each flame hole position 3a and the relational graph of mass flow (mass flow) for the burner 1,
Wherein these flame holes 3a is sequentially numbered with #01~#44 from left to right.By Fig. 2 it is evident that the quality stream of these flame holes 3a
It measures from the right trend to taper off in a left side, that is, the flame at the lower flame hole 3a of mass flow (such as the flame hole of number #34) will
Flame at flame hole 3a (such as the flame hole of number #04) higher less than mass flow.Therefore, the flame which generates will
The trend being gradually reduced from left to right can be presented, cause the combustion range of flame unequal, keep heating efficiency bad.
Summary of the invention
In view of this, the air-flow that the flame hole from fire row can be allowed to export is more the purpose of the present invention is to provide a kind of burner
It is average.
Edge is to reach above-mentioned purpose, a kind of burner provided by the invention, includes one to enter tracheae and a fire row, wherein
It includes one first pipeline section and one second pipeline section that this, which enters tracheae, which extends along a predetermined direction and one end has one to enter
Port, second pipeline section have a first end and a second end, which is connected to the other end of first pipeline section, this second
The direction of pipeline section toward the other end away from first pipeline section curves and is located above first pipeline section；Second pipeline section has one to go out
Port is axially extending along second pipeline section, and direction of the channel cross-sectional area of second pipeline section from the first end toward the second end is passed
Subtract；Second pipeline section has at least one to inside contract section, which is less than this and inside contracts a section two sides adjacent region
The channel cross-sectional area in domain；The fire row be incorporated into second pipeline section and be located at the gas outlet above, the fire row have multiple flame holes with
The gas outlet communicates.
Effect of the invention is that by burner the second pipeline section setting inside contract section, enable include gas air-flow
Average to be delivered to fire row, after allowing the air-flow exported from flame hole to be ignited, the combustion range of flame is average, promotes burning effect
Rate.
Detailed description of the invention
Fig. 1 is the perspective view of existing burner.
Fig. 2 is the relational graph of existing burner flame hole site and mass flow.
Fig. 3 is the perspective view of the burner of the first preferred embodiment of the invention.
Fig. 4 is the exploded perspective view of the burner of above-mentioned preferred embodiment.
Fig. 5 is the 5-5 sectional view of Fig. 3.
Fig. 6 is a cut-away view, shows the first smallest passage sectional area for inside contracting section.
Fig. 7 is a cut-away view, shows the first channel cross-sectional area for inside contracting section Yu first segment junction.
Fig. 8 is a cut-away view, shows the second smallest passage sectional area for inside contracting section.
Fig. 9 is a cut-away view, shows the second channel cross-sectional area for inside contracting section Yu second segment junction.
Figure 10 is the direction the 10-10 sectional block diagram of Fig. 3.
Figure 11 is the 11-11 sectional view of Fig. 3.
Figure 12 is a schematic diagram, discloses the flow direction of air-flow.
Figure 13 is the burner and the flame hole site of existing burner and the relational graph of mass flow of above-mentioned preferred embodiment.
Figure 14 is the partial sectional view of the burner of the second preferred embodiment of the invention.
Figure 15 is the partial sectional view of the burner of third preferred embodiment of the present invention.
Description of symbols
[prior art]
1 burner
2 main bodys
2a enters tracheae
2b air intake
3 fire rows
3a flame hole
[present invention]
10 main bodys
102 plates
12 enter tracheae
14 first pipeline sections
142 air intakes
144 undergauge sections
16 second pipeline sections
162 first ends
164 second ends
166 gas outlets
The starting point 166a
The end 166b
168 inner walls
168a turning point
168 ' inner walls
16a first inside contracts section
16b second inside contracts section
16c first segment
16d second segment
16e third section
20 fire rows
202 room, 22 side plate
222 protrusions
224 protrusion, 24 inclined plate
26 vertical plates
28 flame orifice plates
28a first end
28b second end
282 first flame holes
284 second flame holes
30 position of splitter
302 channels
304 perforation
A1, A3 smallest passage sectional area
A2, A4 channel cross-sectional area
D predetermined direction
L preset distance
L1 length
L2 length
The first range of R1
The second range of R2
32 metal meshes
34 fire rows
34a inner surface
The outer surface 34b
342 flame holes
36 fire rows
36a inner surface
The outer surface 36b
362 central stoppers
364 flame holes
The first flame of 364a hole
The second flame of 364b hole
38 metal meshes
40 position of splitter
402 channels
404 perforation
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
Please refer to shown in Fig. 3 to Figure 11, for the burner of first preferred embodiment of the invention, it includes have a main body 10,
One flame orifice plate 28 and a position of splitter.
The main body 10 is made of the stamped two symmetrical plates 102 at predetermined shape and has one to enter tracheae 12, two
Side plate 22, two inclined plates 24 and two vertical plates 26.This enters tracheae 12 generally in horizontal U-shaped, including one first pipeline section 14 and one second pipe
Section 16, which extends along a predetermined direction D and one end has an air intake 142, the both ends of first pipeline section 14
Between there is a undergauge section 144, the internal diameter of the undergauge section 144 is less than other position internal diameters of first pipeline section 14, and the undergauge section
144 channel cross-sectional area is along the tapered then flaring of predetermined direction D.
Second pipeline section 16 has a first end 162 and a second end 164, which is connected to first pipeline section
The direction of 14 other end, second pipeline section 16 toward the other end away from first pipeline section 14 curves and is located at first pipeline section 14
Top.Second pipeline section 16 is gradually tilted upward after the place of curving, and the channel cross-sectional area of second pipeline section 16 by this first
Gradually successively decrease toward the direction of the second end 164 at end 162.Second pipeline section 16 has a gas outlet 166, which is located at
The top of second pipeline section 16 and along the axially extending of second pipeline section 16, in the present embodiment, the gas outlet 166 is in elongated and have
There are a starting point 166a and an end 166b, what starting point 166a was located at second pipeline section 16 curves place and neighbouring second pipeline section
16 first end 162, second end 164 of the end 166b adjacent to second pipeline section 16.
Curving for second pipeline section 16 has two facing inner walls 168 on predetermined direction D, and 168 ', and in
There is a turning point 168a on the inner wall 168 of the neighbouring air intake 142.Second pipeline section 16 is in the turning point for curving place
168a at least one inside contracts section to having between the second end 164, this inside contract section for the main body 10 is stamped and winner, this inside contracts section
Smallest passage sectional area be less than this inside contract a section channel cross-sectional area for two sides adjacent area.This in the present embodiment at least one inside contracts section
Quantity be two and respectively 1 first inside contracts section 16a and 1 second and inside contracts a section 16b.First two sides for inside contracting section 16a are divided
Not Wei an a first segment 16c and second segment 16d, which is respectively second segment 16d and a third section
16e, this first inside contracts a section 16a and is separately connected first segment 16c and second segment 16d, this second inside contracts a section 16b and be separately connected
Second segment 16d and third section 16e.
It please cooperate Fig. 5, defining turning point 168a between the 166b of the end is one at a distance from predetermined direction D
Preset distance L, this first inside contract section 16a be located at from turning point 168a start between the 166b of the end in predetermined direction D
On one first range R1 among, wherein the first range R1 be preset distance L from the turning point start 15~30% it
Between range.Please cooperate Fig. 6 and Fig. 7 this first inside contract section 16a smallest passage sectional area A1 be this first inside contract section 16a with
One first ratio of the channel cross-sectional area A2 of the junction first segment 16c, which is 50~65%, in this example
First ratio is about 62%.This first inside contract section 16a in the length L1 on predetermined direction D be preset distance L 2~
10%, in this present embodiment about 2.4%.
It is as also shown in fig. 5, this second inside contract section 16b be located at from turning point 168a start between the 166b of the end in this
Within one second range R2 on predetermined direction D, which is 45 that preset distance L is started from turning point 168a
Range between~65%.It please cooperate Fig. 8 and Fig. 9, which is that this second is inside contracted
One second ratio of section 16b and the channel cross-sectional area A4 of the junction second segment 16d, second ratio are 50~65%, and should
Second ratio be greater than first ratio, second ratio is about 55% in this example, in practice, the second ratio also can be equal to or
Less than first ratio.This second inside contract section 16b in the length L2 on predetermined direction D be the preset distance 2~10%,
It is in this present embodiment about 3.2%.
It please cooperate Figure 10, two side plate 22, two inclined plate 24, the vertical plate 26 and the flame orifice plate 28 constitute one in elongated
Fire row 20, wherein two side plate 22 is connected to 166 periphery of gas outlet of second pipeline section 16 and is located at the gas outlet 166 and is somebody's turn to do
Between flame orifice plate 28, two side plate 22 with respect to the distance between two wall surfaces from the gas outlet 166 toward the direction of the flame orifice plate 28 gradually
Expand.It please cooperate Fig. 3 and Figure 11 two side plates, 22 stamped form of relative wall and respectively there are two elongated protrusions 222,224, respectively
The length of the protrusion 222,224 extends axially along predetermined direction D, and one pair of them protrusion 222 is located at the starting point of the gas outlet
Above 166a, another pair protrusion 224 is located at this and second inside contracts the upper of region between section 16b and the end 166b of the gas outlet 166
Side.
Two inclined plate 24 is connected to the apical margin of two side plate 22, and the distance between two inclined plate 24 is from lower to up gradually
The degree of expansion and flaring is greater than the degree of two side plates, 22 flaring.Two vertical plate 26 is connected to the apical margin of two inclined plate.
The flame orifice plate 28 is incorporated on two vertical plate 26, which has an a first end 28a and second end 28b,
First end 28a corresponds to the starting point 166a of the gas outlet 166, and second end 28b corresponds to the end 166b of the gas outlet 166.
In addition, on the flame orifice plate 28 there are multiple flame holes to be connected with the gas outlet 166 of respectively second pipeline section 16, these flame holes include
Multiple first flames hole 282 and multiple second flames hole 284, wherein these the first flame holes 282 along fire row long axial alignment, these
Second flame hole 284 is distributed in these the first flame holes 282 in the opposite sides in the short axial of the fire row 20, and is located at first flame
Long axial alignment of the second flame hole 284 of each side in hole 282 along the fire row 20.In the present embodiment, these the second flame holes 284 are with two
Be a pair along the long axial alignment of the fire row 20, and between adjacent two pair of second flame hole 284 between be separated at least one first flame
Hole 282, for four the first flame holes 282, but not limited to this in the present embodiment.Each pair of second flame hole 284 is located at the fire row 20
Same axis in short axial.In practice, the mode that these the second flame holes 284 can also misplace is distributed in these the first flame holes
282 two sides.
A room 202 is formed between the flame orifice plate 28 and two vertical plate 26, which is set to the room 202
In, which has a channel 302 and multiple perforation 304, and the channel 302 is axially extending along the length of the fire row 20, these
Perforation 304 is along the long axial alignment of fire row 20 and in the two sides for being distributed in the channel 302 in short axial.
It please cooperate Figure 12, include that the air-flow of gas and air should from the air intake 142 injection by above-mentioned structure
After the first pipeline section 14 for entering tracheae 12, when air-flow flows through the undergauge section 144, since the channel cross-sectional area of the undergauge section 144 first contracts
The small event of then flaring, increases the flow velocity of air-flow.Air-flow flows through when curving place of second pipeline section 16, comprising gas and
The air-flow of air flows through after this enters 12 turning of tracheae, and the air-flow of part up flows, from 166 starting point 166a of the gas outlet
It first inside contracts region between section 16a to this and flows out second pipeline section 16；It is flowed out near 166 starting point 166a of the gas outlet
It when air-flow is close to the wall surface flowing of side plate 22, is influenced by the protrusion 222 above the 166a of the starting point, fraction past will be somebody's turn to do
The direction of 28 first end 28a of flame orifice plate is flowed, and the first flame hole 282 between 28 first end 28a of protrusion 222 and flame orifice plate and the are made
Two flame holes 284 have enough air-flows to export.
Air-flow flows through when curving place of second pipeline section 16, second end 164 of another part air-flow toward second pipeline section 16
Direction flowing, due to first channel cross-sectional area for inside contracting section 16a die-off it is therefore, toward the second end 164 direction flow
For air-flow by first limitation for inside contracting section 16a, resistance of the air-flow before first inside contracts section 16a is smaller, therefore, fraction
First can be allowed to inside contract region between section 16a and protrusion 222 by up exporting from gas outlet 166 before first inside contracts section 16a
The the first flame hole 282 and the second flame hole 284 of top also have enough air-flows to export.
It flowing through first and inside contracts air-flow after section 16a, the channel cross-sectional area for being inside contracted section 16b by second is die-offed and is influenced,
Fraction is up exported from gas outlet 166 before second inside contracts section 16b, is allowed first to inside contract section 16a to second and is inside contracted section
The the first flame hole 282 and the second flame hole 284 of upper area also have enough air-flows to export between 16b.
Flow through second and inside contract air-flow after section 16b, after up being exported from gas outlet 166, by second inside contract section 16b with
The influence of protrusion 224 between 166 end 166b of gas outlet, air-flow will flow toward the direction of 28 second end 28b of the flame orifice plate, make
Protrusion 224 between 28 second end 28b of flame orifice plate the first flame hole 282 and the second flame hole 284 there is enough air-flows to export, the
The effect in two flame holes 284 is to adjust the flame of part.
Figure 13 those shown is 282 position of the first flame hole of the present embodiment burner and the flame hole position 3a of existing burner 1
With the relational graph of mass flow, wherein by these the first flame holes 282 from 28 second end 28b of flame orifice plate toward first end 28a with #01
~#44 is sequentially numbered.By in Figure 13 it is found that the matter for the air-flow that these the first flame holes 282 of the burner of the present embodiment are exported
Mass flow of amount flow (dotted portion of Figure 13) distribution compared to the flame hole 3a of existing burner 1 air-flow exported
(bold portion of Figure 13) more uniformly, therefore, by these produced flame sizes in the first flame hole 282 of the present embodiment burner
Also will be average, and then heating efficiency can be effectively improved.
It is two in the quantity among the above, inside contracting section, in practice, can also be only arranged first and inside contract section and be not provided in second
Contracting section can improve the uneven problem of the flame gas flow hole output of fire row 20；Certainly, optionally three or more interior can also be set
Contracting section.In addition, also the one pair of them protrusion 222,224 on 22 wall surface of side plate is selectively arranged in visual required efficiency of combustion,
Certainly, if efficiency of combustion has met demand and can also be not provided with protrusion 222,224.In addition, position of splitter 30 can also be not provided in practice.
Figure 14 show the burner of the second preferred embodiment of the invention, has the knot for being approximately identical to first embodiment
Structure, unlike, the burner of the present embodiment has further included a metal mesh 32, which has most meshes.This reality
The fire row 32 for applying example has an an inner surface 34a and outer surface 34b, and flame hole 342 is through inner surface 34a and outer surface 34b.
The metal mesh 32 is posted by inner surface 34a, and has more persons among these meshes in the drop shadow spread in each flame hole 342,
The maximum diameter of the mesh of middle metal mesh 32 is less than the minimum widith in the respectively flame hole 342.The metal mesh 32 can achieve the work of rectification
With, allow from these flame holes 342 export flame more evenly, avoid from these flame holes 342 generate flame formed it is forked.
Figure 15 show the burner of third preferred embodiment of the present invention, has the knot for being approximately identical to second embodiment
Structure, unlike, the fire row 36 of the present embodiment has a central stopper 362 axially extending along the length of the fire row 36, the fire row 36
From inner surface 36a toward the direction of outer surface 36b toward outer lug, and metal mesh 38 is posted by inner surface 36a；The flame of the present embodiment
Hole 364 includes multiple first flames hole 364a and multiple second flames hole 364b, these first flames hole 364a and these the second flame holes
364b in the two sides for being located at the center stopper 362 in the short axial of fire row 36, and these first flames hole 364a and these the
Two flame hole 364b are along the long axial alignment.The channel 402 of the position of splitter 40 of the present embodiment be located at the center stopper 362 just under
Side, the perforation 404 of position of splitter 40 are located at the underface of the first flame hole 364a and the second flame hole 364b.Therefore, allow flame can
To be distributed in the two sides of central stopper 362, allow the flame of entire fire row 36 in the direction of short axial toward external diffusion.Practice
On, if not considering the even flame that flame hole 364 exports, it can also be not provided with metal mesh 38, in addition, the fire row 36 can also be such as figure
14 are not designed to the shape toward outer lug.
In conclusion the present invention by burner the second pipeline section setting inside contract section, enable include gas air-flow
Average to be delivered to fire row, after allowing the air-flow exported from flame hole to be ignited, the combustion range of flame is average, effectively improves burning
Efficiency.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (16)
1. a kind of burner characterized by comprising
One enters tracheae, including one first pipeline section and one second pipeline section, which extends along a predetermined direction and one end has
There is an air intake, which has a first end and a second end, which is connected to the other end of first pipeline section,
The direction of second pipeline section toward the other end away from first pipeline section curves and is located above first pipeline section；Second pipeline section tool
There is a gas outlet along the axially extending of second pipeline section, the channel cross-sectional area of second pipeline section is from the first end toward the second end
Successively decrease in direction；Second pipeline section has at least one to inside contract section, which is less than this and inside contracts a section two sides
The channel cross-sectional area of adjacent area；Curving for second pipeline section has two facing inner walls on the predetermined direction, and
In having a turning point on the inner wall of the neighbouring air intake；The gas outlet has a starting point and an end, and the starting point is adjacent
The first end of nearly second pipeline section, second end of the end adjacent to second pipeline section；It is pre- in this between the turning point and the end
Determining the distance on direction is a preset distance；This inside contracts section in 2~10% that the length on the predetermined direction is the preset distance；
And
One fire row is incorporated into second pipeline section and is located above the gas outlet, which has multiple flame holes and the gas outlet phase
It is logical.
2. a kind of burner characterized by comprising
One enters tracheae, including one first pipeline section and one second pipeline section, which extends along a predetermined direction and one end has
There is an air intake, which has a first end and a second end, which is connected to the other end of first pipeline section,
The direction of second pipeline section toward the other end away from first pipeline section curves and is located above first pipeline section；Second pipeline section tool
There is a gas outlet along the axially extending of second pipeline section, the channel cross-sectional area of second pipeline section is from the first end toward the second end
Successively decrease in direction；Second pipeline section has at least one to inside contract section, which is less than this and inside contracts a section two sides
The channel cross-sectional area of adjacent area；The gas outlet has a starting point and an end, the starting point adjacent to second pipeline section the
One end, second end of the end adjacent to second pipeline section；And
One fire row is incorporated into second pipeline section and is located above the gas outlet, which has multiple flame holes and the gas outlet phase
Logical, which includes that two side plates are connected to the gas outlet periphery of second pipeline section and between the gas outlet and these flame holes,
Two side plate respectively has a protrusion with respect to two wall surfaces, which is located above the starting point.
3. a kind of burner characterized by comprising
One enters tracheae, including one first pipeline section and one second pipeline section, which extends along a predetermined direction and one end has
There is an air intake, which has a first end and a second end, which is connected to the other end of first pipeline section,
The direction of second pipeline section toward the other end away from first pipeline section curves and is located above first pipeline section；Second pipeline section tool
There is a gas outlet along the axially extending of second pipeline section, the channel cross-sectional area of second pipeline section is from the first end toward the second end
Successively decrease in direction；Second pipeline section has at least one to inside contract section, which is less than this and inside contracts a section two sides
The channel cross-sectional area of adjacent area；The gas outlet has a starting point and an end, the starting point adjacent to second pipeline section the
One end, second end of the end adjacent to second pipeline section；And
One fire row is incorporated into second pipeline section and is located above the gas outlet, which has multiple flame holes and the gas outlet phase
Logical, which includes that two side plates are connected to the gas outlet periphery of second pipeline section and between the gas outlet and these flame holes,
Two side plate respectively has a protrusion with respect to two wall surfaces, which is located at this and inside contracts region between section and the end of the gas outlet
Top.
4. according to claim 1, burner described in any one of 2 or 3, which is characterized in that it is stamped form that this, which inside contracts section,.
5. according to claim 1, burner described in any one of 2 or 3, which is characterized in that second pipeline section has one first
Duan Yuyi second segment, and this inside contracts section and is connected between the first segment and the second segment；This inside contracts the smallest passage sectional area of section
One first ratio of section and the channel cross-sectional area of the first segment junction is inside contracted for this, which is 50~65%.
6. burner according to claim 5, which is characterized in that at least one quantity for inside contracting section is multiple and including one
First, which inside contracts Duan Yuyi second, inside contracts section, this first inside contracts section and be connected between the first segment and the second segment；Second pipeline section
With more a third section, and this second inside contracts section and is connected between the second segment and the third section.
7. burner according to claim 6, which is characterized in that this second inside contract section smallest passage sectional area be this
Two inside contract one second ratio of section and the channel cross-sectional area of the second segment junction, which is 50~65%.
8. burner according to claim 7, which is characterized in that second ratio is greater than first ratio.
9. burner according to claim 6, which is characterized in that curving for second pipeline section has on the predetermined direction
There are a two facing inner walls, and in there is a turning point on the inner wall of the neighbouring air intake；The gas outlet has a starting
End and an end, first end of the starting point adjacent to second pipeline section, second end of the end adjacent to second pipeline section；The turnover
Point is a preset distance at a distance from the predetermined direction between the end；This first inside contract section be located at from the turning point start
To within one first range on the predetermined direction, wherein first range is the preset distance from the turnover between the end
15~30% range that point is started.
10. burner according to claim 6, which is characterized in that second pipeline section curves on the predetermined direction
With two facing inner walls, and in having a turning point on the inner wall of the neighbouring air intake；The gas outlet has together
Beginning and an end, first end of the starting point adjacent to second pipeline section, second end of the end adjacent to second pipeline section；This turn
Break is a preset distance at a distance from the predetermined direction between the end；This first inside contract section be located at lighted from the turnover
Calculate between the end within one first range on the predetermined direction；This second inside contract section be located at from the turning point start to
Between the end within one second range on the predetermined direction, wherein first range is the preset distance from the turning point
The range between 15~30% started, second range are the preset distance between 45~65% that the turning point is started
Range.
11. according to claim 1, burner described in any one of 2 or 3, which is characterized in that include a metal mesh, have
Most meshes；The fire row has an inner surface and an outer surface, and the inner surface and the outer surface, and the gold are run through in these flame holes
Belong to net and be posted by the inner surface, and respectively in the drop shadow spread in the flame hole with more persons among these meshes.
12. according to claim 1, burner described in any one of 2 or 3, which is characterized in that it include a position of splitter, setting
In the fire row；The fire row is in elongated, and has a long axial and short axial, and the fire row has a center stopper along the long axis
To extension；These flame holes include multiple first flames hole and multiple second flames hole, these the first flame holes and these the second flame holes are in this
The two sides of the center stopper are located in short axial, and these the first flame holes and these the second flame holes are along the long axial alignment；
The position of splitter has a channel and a multiple perforation, the channel it is axially extending along the length of the fire row and be located at the center stopper just under
Side, these perforation are along the long axial alignment and in the two sides for being distributed in the channel in the short axial.
13. burner according to claim 12, which is characterized in that include a metal mesh, there are most meshes；It should
Fire row has an inner surface and an outer surface, these flame holes are through the inner surface and the outer surface, and the metal mesh is posted by this
Inner surface, and respectively in the drop shadow spread in the flame hole with more persons among these meshes.
14. burner according to claim 13, which is characterized in that direction of the fire row from the inner surface toward the outer surface
Toward outer lug.
15. according to claim 1, burner described in any one of 2 or 3, which is characterized in that the fire row is in elongated, and has one
A long axial and short axial；These flame holes include multiple first flames hole and multiple second flames hole, these the first flame holes are along the long axis
To arrangement, these the second flame pore size distributions in these the first flame holes in the opposite sides in the short axial, and be located at these first flames
Second flame hole of each side in hole is along the long axial alignment.
16. burner according to claim 15, which is characterized in that these the second flame holes are a pair along the fire row with two
Long axial alignment, and between adjacent two pair of second flame hole have at least one the first flame hole, each pair of second flame hole be located at should
Same axis in short axial.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610882077.5A CN107917421B (en) | 2016-10-10 | 2016-10-10 | Burner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882077.5A CN107917421B (en) | 2016-10-10 | 2016-10-10 | Burner |
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| CN107917421A CN107917421A (en) | 2018-04-17 |
| CN107917421B true CN107917421B (en) | 2019-08-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3974743A4 (en) * | 2019-04-25 | 2022-06-08 | Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | Housing for burner, burner and water heating apparatus |
| CN112880199A (en) * | 2019-11-29 | 2021-06-01 | 芜湖美的厨卫电器制造有限公司 | Fire grate unit, combustor and gas equipment |
| CN217302793U (en) * | 2021-03-25 | 2022-08-26 | 芜湖美的厨卫电器制造有限公司 | Fire grate, combustor and gas water heater |
| CN115164414B (en) * | 2022-08-03 | 2024-03-08 | 宁波方太厨具有限公司 | Combustion chamber box and gas water heater comprising same |
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|---|---|---|---|---|
| CN201539975U (en) * | 2009-06-29 | 2010-08-04 | 广东万家乐燃气具有限公司 | Harmonica type burner of gas water heater |
| CN102080823A (en) * | 2009-12-01 | 2011-06-01 | 樱花卫厨（中国）股份有限公司 | Burner structure improvement for gas water heater |
| CN102537962A (en) * | 2010-12-16 | 2012-07-04 | 株式会社能率 | Rich-lean combustion burner |
| CN202647761U (en) * | 2012-05-29 | 2013-01-02 | 威能(无锡)供热设备有限公司 | Novel burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4299314B2 (en) * | 2006-04-12 | 2009-07-22 | リンナイ株式会社 | Tint burner |
| JP5626242B2 (en) * | 2012-02-28 | 2014-11-19 | 株式会社ノーリツ | Tint burning burner |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539975U (en) * | 2009-06-29 | 2010-08-04 | 广东万家乐燃气具有限公司 | Harmonica type burner of gas water heater |
| CN102080823A (en) * | 2009-12-01 | 2011-06-01 | 樱花卫厨（中国）股份有限公司 | Burner structure improvement for gas water heater |
| CN102537962A (en) * | 2010-12-16 | 2012-07-04 | 株式会社能率 | Rich-lean combustion burner |
| CN202647761U (en) * | 2012-05-29 | 2013-01-02 | 威能(无锡)供热设备有限公司 | Novel burner |
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| CN107917421A (en) | 2018-04-17 |
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