CN107917421A - Burner - Google Patents

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Publication number
CN107917421A
CN107917421A CN201610882077.5A CN201610882077A CN107917421A CN 107917421 A CN107917421 A CN 107917421A CN 201610882077 A CN201610882077 A CN 201610882077A CN 107917421 A CN107917421 A CN 107917421A
Authority
CN
China
Prior art keywords
section
pipeline section
flame
gas outlet
fire row
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610882077.5A
Other languages
Chinese (zh)
Other versions
CN107917421B (en
Inventor
黄重景
黄锦颖
黄信铭
黄信雄
叶严仁
陈维隆
林冠州
罗堂元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grand Mate Co Ltd
Original Assignee
Grand Mate Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grand Mate Co Ltd filed Critical Grand Mate Co Ltd
Priority to CN201610882077.5A priority Critical patent/CN107917421B/en
Publication of CN107917421A publication Critical patent/CN107917421A/en
Application granted granted Critical
Publication of CN107917421B publication Critical patent/CN107917421B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/70Baffles or like flow-disturbing devices

Abstract

The present invention provides a kind of burner, include one and enter tracheae and a fire row, wherein, this enters tracheae includes one first pipeline section and one second pipeline section 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 the channel sectional area for inside contracting section both sides adjacent area;The fire row is incorporated into second pipeline section and above the gas outlet, which there are multiple flame holes to be communicated with the gas outlet.Therefore, this, which inside contracts section, enables the air-flow for including gas is average to be delivered to fire row, allows from after being ignited the air-flow of flame hole output, and the combustion range of flame is average, promotes efficiency of combustion.

Description

Burner
Technical field
The present invention is related with heating unit;Particularly relating to one kind makes gas more fully cause burning more equal with air mixing Even burner.
Background technology
Fig. 1 is existing burner 1, and it includes have a main body 2 and a fire row 3.The main body 2 is into predetermined by stamped Two symmetrical plates of shape are formed, which has one to enter tracheae 2a in horizontal U-shaped.This enters the one of tracheae 2a End has an air intake 2b, is injected with for gas and air.The fire row 3 is in elongated and is arranged above the main body 2, the fire row Multiple flame hole 3a are offered on 3, these flame hole 3a along fire row 3 long axial alignment and enter tracheae 2a with this and communicate.After mixing Gas enters tracheae 2a via this with air and is exported again from each flame hole 3a of the fire row 3, and forms flame through the after damp that ignites.
Though existing 1 incendivity gas of burner produces flame, however, the tracheae 2a that enters of the main body 2 is in the design curved, Enter when curving of tracheae 2a by this by the air-flow of the air intake 2b gas injected and air, it is most of comprising gas and The airflow collision of air enters to this behind tracheae 2a turnings will be by toward left steering, and most of air-flows is turned left water conservancy diversion, adds This enters tracheae 2a will enter tracheae 2a from right event of gradually contracting toward the left side, most air-flow after curving along this after curving Tube wall before so that toward the fire row 3 left side these flame holes 3a output.Foregoing situation will cause these flames of the fire row 3 The gas and the air-flow of air that hole 3a is exported by left and the right side gradually decreases.
It please coordinate Fig. 2, each flame hole 3a positions and the graph of a relation of mass flow (mass flow) for the burner 1, its It is middle sequentially to number these flame holes 3a with #01~#44 from left to right.By Fig. 2 it is evident that the mass flow of these flame holes 3a From trend left and that the right side tapers off, that is, the flame at the relatively low flame hole 3a of mass flow (such as the flame hole of numbering #34) place will be small Flame in the higher flame hole 3a of mass flow (such as the flame hole of numbering #04) place.Therefore, the flame which produces will The trend being gradually reduced from left to right is presented, causes the combustion range of flame unequal, makes the efficiency of heating surface bad.
The content of the invention
In view of this, it is an object of the invention to provide a kind of burner, can allow from the air-flow of the flame hole of fire row output more It is average.
To reach above-mentioned purpose, a kind of burner provided by the invention, includes one and enters tracheae and a fire row edge, wherein, This, which enters tracheae, includes one first pipeline section and one second pipeline section, which extends along a predetermined direction and its one end has one to enter Gas 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 Gas port is axially extending along second pipeline section, and the 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 inside contracts a section both sides adjacent region less than this The channel sectional area in domain;The fire row is incorporated into second pipeline section and above the gas outlet, the fire row have multiple flame holes with The gas outlet communicates.
Effect of the invention is that inside contracting section by being set in the second pipeline section of burner, enable the air-flow for including gas It is average to be delivered to fire row, allow from after being ignited the air-flow of flame hole output, the combustion range of flame is average, promotes burning effect Rate.
Brief description of the drawings
Fig. 1 is the stereogram of existing burner.
Fig. 2 is the graph of a relation of existing burner flame hole site and mass flow.
Fig. 3 is the stereogram 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 views 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 and 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 and second segment junction.
Figure 10 is the 10-10 directions sectional block diagram of Fig. 3.
Figure 11 is the 11-11 sectional views 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 graph of a relation 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 the 3rd preferred embodiment of the invention.
Description of reference numerals
[prior art]
1 burner
2 main bodys
2a enters tracheae
2b air intakes
3 fire rows
3a flames 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
166a initiating terminals
166b ends
168 internal faces
168a turning points
168 ' internal faces
16a first inside contracts section
16b second inside contracts section
16c first segments
16d second segments
The 3rd section of 16e
20 fire rows
202 room, 22 side plate
222 convex portions
224 convex portion, 24 inclined plate
26 risers
28 flame orifice plates
28a first ends
28b second ends
282 first flame holes
284 second flame holes
30 position of splitter
302 passages
304 perforation
A1, A3 smallest passage sectional area
A2, A4 channel cross-sectional area
D predetermined directions
L preset distances
L1 length
L2 length
The first scopes of R1
The second scopes of R2
32 metal meshes
34 fire rows
34a inner surfaces
34b outer surfaces
342 flame holes
36 fire rows
36a inner surfaces
36b outer surfaces
362 central stoppers
364 flame holes
The first flames of 364a hole
The second flames of 364b hole
38 metal meshes
40 position of splitter
402 passages
404 perforation
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference Attached drawing, the present invention is described in more detail.
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 into predetermined shape and enters tracheae 12, two with one Side plate 22, two inclined plates 24 and two risers 26.It is in generally horizontal U-shaped that this, which enters tracheae 12, including one first pipeline section 14 and one second pipe Section 16, which extends along a predetermined direction D and its 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 first pipeline section 14 other position internal diameters, and the undergauge section 144 channel cross-sectional area is along the tapered then flarings 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 14 other end, the direction of second pipeline section 16 toward the other end away from first pipeline section 14 curve and are located at first pipeline section 14 Top.Second pipeline section 16 gradually tilts after the place of curving upward, 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 an initiating terminal 166a and an end 166b, what initiating terminal 166a was located at second pipeline section 16 curves place and neighbouring second pipeline section 16 first end 162, second ends 164 of the end 166b adjacent to second pipeline section 16.
Curving for second pipeline section 16 has two facing internal faces 168 on predetermined direction D, and 168 ', and in There is a turning point 168a on the internal face 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 and inside contract the channel sectional area of section both sides adjacent area.This in the present embodiment at least one inside contracts section Quantity inside contract section 16a and 1 second for two and respectively 1 first and inside contract a section 16b.First both sides for inside contracting section 16a are divided Not Wei an a first segment 16c and second segment 16d, which is respectively the 3rd section of second segment 16d and 1 16e, this first inside contracts section 16a and connects first segment 16c and second segment 16d respectively, this second inside contracts a section 16b and connect this respectively Second segment 16d and the 3rd section of 16e.
It please coordinate Fig. 5, define pre- for one in the distance on predetermined direction D between turning point 168a and end 166b Set a distance L, this first inside contract section 16a be located at from turning point 168a start between the 166b of the end on predetermined direction D One first scope R1 among, wherein first scope R1 for preset distance L between 15~30% that the turning point is started at Scope.Please coordinate Fig. 6 and Fig. 7 this first inside contract smallest passage sectional area A1 of section 16a for this first inside contract section 16a with this One first ratio of the channel cross-sectional area A2 of one section of 16c junction, first ratio be 50~65%, in this example this 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 It is about 2.4% in the present embodiment.
Again as shown in figure 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 scope R2 on predetermined direction D, second scope R2 is 45 that preset distance L is started at from turning point 168a Scope between~65%.It please coordinate Fig. 8 and Fig. 9, this second inside contracts smallest passage sectional area A3 of section 16b and second inside contracted for this One second ratio of section 16b and the channel cross-sectional area A4 of second segment 16d junctions, second ratio are 50~65%, and should Second ratio is more than first ratio, and second ratio is about 55% in this example, in practice, the second ratio can also 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%, in It is about 3.2% in the present embodiment.
It please coordinate Figure 10, it is in elongated fire that two side plate 22, two inclined plate 24, the riser 26 form one with the flame orifice plate 28 Row 20, wherein, which is connected to 166 periphery of gas outlet of second pipeline section 16 and positioned at the gas outlet 166 and the flame Between orifice plate 28, two side plate 22 is with respect to the distance between two walls from the gas outlet 166 toward the direction flaring of the flame orifice plate 28. It please coordinate Fig. 3 and Figure 11 two side plates, 22 stamped form of relative wall and respectively there are two elongated convex portions 222,224, respectively this is convex The length in portion 222,224 extends axially along predetermined direction D, and one pair of which convex portion 222 is located at the initiating terminal 166a of the gas outlet Top, another pair convex portion 224 are located at second top for inside contracting region between section 16b and the end 166b of the gas outlet 166.
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 more than the degree of two side plates, 22 flaring.Two riser 26 is connected to the apical margin of two inclined plate.
The flame orifice plate 28 is incorporated on two riser 26, which has an a first end 28a and second end 28b, First end 28a corresponds to the initiating terminal 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 flame holes 282 and multiple second flame holes 284, wherein, these the long axial alignments of the first flame hole 282 along fire row, 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 282 each side of hole along the fire row 20.In the present embodiment, these the second flame holes 284 are with two For long axial alignment of a pair along the fire row 20, and between adjacent two pair of second flame hole 284 between be separated with least one first flame Hole 282, for four the first flame holes 282 but is not limited in the present embodiment.It is short that the second flame of each pair hole 284 is located at the fire row 20 Same axis in axial direction.In practice, the mode that these the second flame holes 284 can also misplace is distributed in these the first flame holes 282 Both sides.
Between the flame orifice plate 28 and two riser 26 room 202 is arranged at formed with a room 202, the position of splitter 30 In, which has a passage 302 and multiple perforation 304, and the passage 302 is axially extending along the length of the fire row 20, these Perforation 304 is along the 20 long axial alignment of fire row and in the both sides that the passage 302 is distributed in short axial.
It please coordinate Figure 12, should from the air intake 142 injection in the air-flow for including gas and air 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, the flow velocity for causing air-flow is increased.Air-flow flows through when curving place of second pipeline section 16, comprising gas and The air-flow of air is flowed through after this enters 12 turning of tracheae, and the air-flow of part up flows, from 166 initiating terminal 166a of the gas outlet extremely This first inside contract section 16a between region flow out second pipeline section 16;The air-flow flowed out near 166 initiating terminal 166a of the gas outlet During close to the wall flowing of side plate 22, influenced by the convex portion 222 above initiating terminal 166a, fraction will be toward the flame hole The direction flowing of 28 first end 28a of plate, makes the first flame hole 282 between 28 first end 28a of convex portion 222 and flame orifice plate and the second flame There is enough air-flow output in hole 284.
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 Air-flow first is inside contracted a section 16a and is limited to be subject to this, and resistance of the air-flow before first inside contracts section 16a is smaller, therefore, fraction By up being exported from gas outlet 166 first can be allowed to inside contract region between section 16a and convex portion 222 before first inside contracts section 16a Also there is enough air-flow output in the first flame hole 282 and the second flame hole 284 of top.
Flow through first and inside contract air-flow after section 16a, being die-offed be subject to the second channel cross-sectional area for inside contracting section 16b is influenced, Fraction up exports before second inside contracts section 16b from gas outlet 166, allows first to inside contract section 16a to second and inside contracts section Also there is enough air-flow output in the first flame hole 282 of upper area and the second flame hole 284 between 16b.
Flow through second and inside contract air-flow after section 16b, after up being exported from gas outlet 166, be subject to second inside contract section 16b with The influence of convex portion 224 between 166 end 166b of gas outlet, air-flow will make toward the direction flowing of 28 second end 28b of the flame orifice plate Convex portion 224 to the first flame hole 282 between 28 second end 28b of flame orifice plate and the second flame hole 284 has enough air-flows to export, and second The effect in flame hole 284 is to adjust local flame.
Figure 13 those shown is 282 position of the first flame hole of the present embodiment burner and the flame hole 3a positions of existing burner 1 With the graph of a relation 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.From in Figure 13, 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-flows exported (bold portion of Figure 13) is more uniformly distributed, therefore, by these 282 produced flame sizes of the first flame hole of the present embodiment burner Also will be average, and then the efficiency of heating surface can be effectively improved.
In above-mentioned, the quantity for inside contracting section is two, in practice, also can only set first to inside contract section and be not provided with second Contracting section, you can the flame gas flow hole for improving fire row 20 exports the problem of uneven;Certainly, also optionally more than three interior can be set Contracting section.In addition, also visual required efficiency of combustion selectively sets the one pair of which convex portion 222,224 on 22 wall of side plate, Certainly, if efficiency of combustion has met demand and can also be not provided with convex portion 222,224.In addition, position of splitter 30 can be also not provided with practice.
Figure 14 show the burner of the second preferred embodiment of the invention, it 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 more several meshes.This reality Applying the fire row 32 of 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, its 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 reach the work of rectification With, allow from these flame holes 342 output flame evenly, avoid from these flame holes 342 produce flame formed it is forked.
Figure 15 show the burner of the 3rd preferred embodiment of the invention, it has the knot for being approximately identical to second embodiment Structure, unlike, the fire row 36 of the present embodiment is axially extending along the length of the fire row 36 with a central stopper 362, 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 flame hole 364a and multiple second flame hole 364b, these first flames hole 364a and these the second flame holes 364b in the both sides for being located at the center stopper 362 in the short axial of fire row 36 respectively, and these first flames hole 364a and these the Two flame hole 364b are along the long axial alignment.The passage 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 respectively.Therefore, allow flame can To be distributed in the both sides of central stopper 362, allow the flame of whole fire row 36 in the direction of short axial toward external diffusion.Practice On, if the even flame exported without considering flame hole 364, can also be not provided with metal mesh 38, in addition, the fire row 36 also can be such as figure 14 are not designed to the shape toward outer lug.
In conclusion the present invention inside contracts section by being set in the second pipeline section of burner, enable the air-flow for including gas It is average to be delivered to fire row, allow from after being ignited the air-flow of flame hole output, the combustion range of flame is average, effectively improves burning Efficiency.
Particular embodiments described above, has carried out the purpose of the present invention, technical solution and beneficial effect further in detail Describe in detail it is bright, it should be understood that the foregoing is merely the present invention specific embodiment, be not intended to limit 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 the guarantor of the present invention Within the scope of shield.

Claims (17)

  1. A kind of 1. burner, it is characterised in that including:
    One enters tracheae, including one first pipeline section and one second pipeline section, which extends along a predetermined direction and its 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 has 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 inside contracts a section both sides less than this The channel sectional area of adjacent area;And
    One fire row, is incorporated into second pipeline section and above the gas outlet, which has multiple flame holes and the gas outlet phase It is logical.
  2. 2. burner according to claim 1, it is characterised in that this inside contracts section and is formed to be stamped.
  3. 3. burner according to claim 1, it is characterised in that second pipeline section has a first segment and a second segment, And this inside contracts section and is connected between the first segment and the second segment;The smallest passage sectional area for inside contracting section inside contracts section with being somebody's turn to do for this One first ratio of the channel cross-sectional area of first segment junction, first ratio are 50~65%.
  4. 4. burner according to claim 1, it is characterised in that curving for second pipeline section has on the predetermined direction There are a two facing internal faces, and in there is a turning point on the internal face of the neighbouring air intake;The gas outlet has a starting End and an end, the initiating terminal is adjacent to the first end of second pipeline section, second end of the end adjacent to second pipeline section;The turnover Point the end between in the distance on the predetermined direction be a preset distance;This inside contracts section The 2~10% of the preset distance.
  5. 5. burner according to claim 3, it is characterised 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 one the 3rd section, and this second inside contracts section and is connected between the second segment and the 3rd section.
  6. 6. burner according to claim 5, it is characterised in that this second inside contract smallest passage sectional area of section for this Two inside contract section and one second ratio of the channel cross-sectional area of the second segment junction, which is 50~65%.
  7. 7. burner according to claim 6, it is characterised in that second ratio is more than first ratio.
  8. 8. burner according to claim 3, it is characterised in that curving for second pipeline section has on the predetermined direction There are a two facing internal faces, and in there is a turning point on the internal face of the neighbouring air intake;The gas outlet has a starting End and an end, the initiating terminal is adjacent to the first end of second pipeline section, second end of the end adjacent to second pipeline section;The turnover Point the end between in the distance on the predetermined direction be a preset distance;This first inside contracts section positioned at being started at from the turning point To between the end within one first scope on the predetermined direction, wherein first scope is the preset distance from this turn 15~30% scope that break is started at.
  9. 9. burner according to claim 5, it is characterised in that curving for second pipeline section has on the predetermined direction There are a two facing internal faces, and in there is a turning point on the internal face of the neighbouring air intake;The gas outlet has a starting End and an end, the initiating terminal is adjacent to the first end of second pipeline section, second end of the end adjacent to second pipeline section;The turnover Point the end between in the distance on the predetermined direction be a preset distance;This first inside contracts section positioned at being started at from the turning point To between the end within one first scope on the predetermined direction;This second inside contracts section positioned at being started at from the turning point to this Between end within one second scope on the predetermined direction, wherein first scope is lighted for the preset distance from the turnover The scope between 15~30% calculated, second scope are the preset distance from the model between 45~65% that the turning point is started at Enclose.
  10. 10. burner according to claim 1, it is characterised in that the gas outlet has an initiating terminal and an end, this Beginning is adjacent to the first end of second pipeline section, second end of the end adjacent to second pipeline section;The fire row is connected including two side plates In second pipeline section gas outlet periphery and between the gas outlet and these flame holes, which respectively has with respect to two walls One convex portion, two convex portion are located above the initiating terminal.
  11. 11. burner according to claim 1, it is characterised in that the gas outlet has an initiating terminal and an end, this Beginning is adjacent to the first end of second pipeline section, second end of the end adjacent to second pipeline section;The fire row is connected including two side plates In second pipeline section gas outlet periphery and between the gas outlet and these flame holes, which respectively has with respect to two walls One convex portion, two convex portion are located at the top for inside contracting region between section and the end of the gas outlet.
  12. 12. burner according to claim 1, it is characterised in that include a metal mesh, there are more several meshes;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.
  13. 13. burner according to claim 1, it is characterised in that include a position of splitter, be arranged in the fire row;Should Fire row has a length axial with a short axial in elongated, and the fire row has the central stopper axially extending along the length;These flames Hole includes multiple first flame holes and multiple second flame holes, these the first flame holes and these the second flame holes are in distinguishing position in the short axial In the both sides of the center stopper, and these the first flame holes and these the second flame holes are along the long axial alignment;The position of splitter has one Passage and multiple perforation, the passage is axially extending along the length of the fire row and is located at the underface of the center stopper, these perforation edges The long axial alignment and in the both sides that the passage is distributed in the short axial.
  14. 14. burner according to claim 13, it is characterised in that include a metal mesh, there are more several meshes;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.
  15. 15. burner according to claim 13, it is characterised in that direction of the fire row from the inner surface toward the outer surface Toward outer lug.
  16. 16. burner according to claim 1, it is characterised in that the fire row is in elongated, and has length axial direction and a short axle To;These flame holes include multiple first flame holes and multiple second flame holes, these the first flame holes are along the long axial alignment, these second Flame pore size distribution in these the first flame holes in the opposite sides in the short axial, and positioned at these each sides in the first flame hole the second flame hole Along the long axial alignment.
  17. 17. burner according to claim 16, it is characterised in that these the second flame holes with two to be a pair of along the fire row Long axial alignment, and there is at least one first flame hole between adjacent two pair of second flame hole, the second flame of each pair hole was positioned at should Same axis in short axial.
CN201610882077.5A 2016-10-10 2016-10-10 Burner Active CN107917421B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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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 true CN107917421A (en) 2018-04-17
CN107917421B CN107917421B (en) 2019-08-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020215762A1 (en) * 2019-04-25 2020-10-29 芜湖美的厨卫电器制造有限公司 Housing for burner, burner and water heating apparatus
CN115164414A (en) * 2022-08-03 2022-10-11 宁波方太厨具有限公司 Combustion chamber box and gas water heater comprising same
WO2023151158A1 (en) * 2021-03-25 2023-08-17 芜湖美的厨卫电器制造有限公司 Burner piece, burner and gas water heater

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Publication number Priority date Publication date Assignee Title
WO2020215762A1 (en) * 2019-04-25 2020-10-29 芜湖美的厨卫电器制造有限公司 Housing for burner, burner and water heating apparatus
WO2023151158A1 (en) * 2021-03-25 2023-08-17 芜湖美的厨卫电器制造有限公司 Burner piece, burner and gas water heater
CN115164414A (en) * 2022-08-03 2022-10-11 宁波方太厨具有限公司 Combustion chamber box and gas water heater comprising same
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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