CN105090956B - Flat burner - Google Patents
Flat burner Download PDFInfo
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- CN105090956B CN105090956B CN201410222703.9A CN201410222703A CN105090956B CN 105090956 B CN105090956 B CN 105090956B CN 201410222703 A CN201410222703 A CN 201410222703A CN 105090956 B CN105090956 B CN 105090956B
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- flame
- abutting part
- burner
- flame mouth
- flow path
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Abstract
Flat burner of the present invention has the flame mouth part of elongated shape in upper end, rectification part (68) is installed in flame mouth part, rectification part (68) has the multiple cowling panels being set up in parallel in the horizontal, rectification part has abutting part at front and back multiple positions, the abutting part keeps cowling panel against each other and disconnects the flame hole flow path formed between each cowling panel in the longitudinal direction, wherein, even if the inflow direction that gaseous mixture is flowed into the flame hole flow path by lateral center of flame mouth part significantly tilts forward and backward, also it can prevent the flame formed on the flame hole flow path from significantly tilting forward and backward.Shape when at least lower half of the abutting part (68c) of the cowling panel (68in) of the laterally inboard for the flame hole flow path by lateral center for forming flame mouth part to each other is formed as from laterally is up-side down triangle.
Description
Technical field
The present invention relates to provide the flat burner used in the burners such as hot water heat source machine.
Background technology
In general, in providing hot water heat source machine, combustion air is forcibly being provided with combustion blower
In burning shell body, it is set side by side with the flat burner of multiple flame mouth parts in upper end with elongated shape.
In the past, this flat burner, if the length direction of flame mouth part is the width direction of front-rear direction, flame mouth part
When being lateral, be formed on the burner body being made of a pair of side plates opposite in the horizontal lower part mixing pipe portion, with
And the gaseous mixture from mixing tube portion is directed to the portion of distributing chamber of flame mouth part, installation is in the horizontal in flame mouth part
The rectification part for the multiple cowling panels being set up in parallel (for example, referring to patent document 1).Moreover, rectification part is in front and back multiple portions
Position have abutting part, the abutting part keep cowling panel against each other and by the flame hole flow path formed between each cowling panel in front and back
It disconnects upwards.
But due to the miniaturization of heat source machine, the upper and lower directions ruler in the portion of distributing chamber for shortening flat burner is sometimes required that
It is very little.If however, shorten the upper and lower directions size in distributing chamber portion, in the front or rear portion of flat burner, gaseous mixture is from distribution
The inflow direction that room portion is flowed into flame mouth part significantly tilts forward and backward relative to upper and lower directions.Then, in flame hole
In the flame hole flow path of the close lateral center in portion, the flow velocity of gaseous mixture becomes faster, and the flame formed on the flame hole flow path becomes
Greatly.If in addition, at burner front or rear portion, the inflow direction that gaseous mixture is flowed into the flame hole flow path by lateral center is forward
Rear direction significantly tilts, then the big flame formed on the flame hole flow path tilts forward and backward, before the shell that burns
Surface or rear surface can be heated strongly, and generate the heat waste of burning shell.
Citation
Patent document
1 Japanese Unexamined Patent Publication 7-91620 bulletins of patent document
Invention content
Present invention has been made in view of the above problems, and its purpose is to provide a kind of flat burners, even if gaseous mixture
The inflow direction flowed into the flame hole flow path of the close lateral center of flame mouth part significantly tilts forward and backward, can also prevent
The flame only formed on the flame hole flow path significantly tilts forward and backward.
To solve the above-mentioned problems, flat burner of the invention has the flame mouth part of elongated shape in upper end, if
The length direction of flame mouth part be front-rear direction, flame mouth part width direction be laterally, by a laterally upper opposite offside
It is formed with the mixing pipe portion of lower part on the burner body that plate is constituted and the gaseous mixture from mixing tube portion is directed to flame
The portion of distributing chamber of oral area is equipped with the rectification part with the multiple cowling panels being set up in parallel in the horizontal in flame mouth part,
Rectification part front and back multiple positions have abutting part, keep cowling panel against each other using the abutting part and will be between each cowling panel
The flame hole flow path of formation disconnects in the longitudinal direction, and the flat burner is characterized in that, at least lower half of abutting part
Be formed as：Shape when from laterally is up-side down triangle, here, the abutting part refers to：Forming the close horizontal of flame mouth part
As defined among the cowling panel of laterally inboard of the flame hole flow path in center their abutting parts to each other, being at least present in
The abutting part of front-rear direction part, it is specified that front-rear direction part refer to：What gaseous mixture was flowed into from portion of distributing chamber to flame mouth part
Inflow direction tilts the part of predetermined angular or more forward and backward for upper and lower directions.
According to the present invention, in gaseous mixture with significantly inclined state is flowed into the close horizontal of flame mouth part forward and backward
In the case of into the flame hole flow path in center, the gaseous mixture that is collided with the up-side down triangle part of abutting part with inflow
The mode with larger velocity component is rebounded on the opposite front-rear direction in direction.Then, under the influence of the air-flow that this rebounds,
Even if if the air-flow for the flame hole circuit portion gaseous mixture for having left abutting part upward.Even if gaseous mixture is to fire as a result,
The inflow direction that the flame hole flow path of the close lateral center in hungry ghosts who spit fire portion flows into significantly tilts forward and backward, can also prevent this
The flame formed on flame hole flow path significantly tilts forward and backward.
Moreover, in the present invention, it is preferred to reduction is presented in the defined front-rear direction part in the configuration spacing of abutting part.
It can make to tilt forward and backward as a result, and the air-flow of gaseous mixture that is flowed into flame hole flow path is more efficiently towards top.
Moreover, in the present invention, it is preferred to secondary abutting part, the pair abutting part make the cowling panel of laterally inboard each other to
The middle lower portion of the configuration spacing of socket part abuts against.Further, preferably make to be present among secondary abutting part it is described as defined in it is front and back
The secondary abutting part of direction part tilts for upper and lower directions to the front-rear direction opposite with the inflow direction of gaseous mixture.According to
This, can make to tilt forward and backward and the air-flow of gaseous mixture that is flowed into flame hole flow path more reliably upward.
Description of the drawings
Fig. 1 is the cutaway side view of the burner for the flat burner for having embodiments of the present invention.
Fig. 2 is the stereogram of the flat burner of embodiment.
Fig. 3 is the stereogram of the decomposing state of the flat burner of embodiment.
Fig. 4 is the sectional view of the flat burner of IV-IV line progress cutting along Fig. 2.
Fig. 5 is the cutaway side view of the flat burner of V-V line progress cutting along Fig. 4.
Fig. 6 is the definition graph for illustrating the effect of the present invention.
Fig. 7 is the cutaway side view of the flat burner of the 2nd embodiment corresponding with Fig. 5.
Fig. 8 is the cutaway side view of the flat burner of the 3rd embodiment corresponding with Fig. 5.
Symbol description
6 ... flat burners, 61 ... burner bodies, 61a ... side plates, 63 ... flame mouth parts, 65 ... mixing pipe portions, 66 ...
Portion of distributing chamber, 68 ... rectification parts, the interior side fairings of 68in ..., 68c ... abutting parts, the secondary abutting parts of 68d ...
Specific implementation mode
Referring to Fig.1, it 1 indicates to constitute the burning shell that the burners such as hot water heat source machine are provided.The upper table of burning shell 1
Face is open, the heating objects such as heat exchanger of setting illustration omitted on burning shell 1.In burning shell 1, it is equipped with
The space in shell 1 of burning is separated into the demarcation strip 4 of the air supply chamber 3 of combustion chamber 2 and its downside.Combustion blower warp outside figure
It is connected to the bottom surface of air supply chamber 3 by pipeline 5, air is provided from combustion blower to air supply chamber 3.On demarcation strip 4, it is formed with more
A distribution hole 4a is supplied to the air of air supply chamber 3 to be supplied to combustion chamber 2 as auxiliary air via these distribution holes 4a.
In combustion chamber 2, the flat burners 6 of embodiments of the present invention is set up in parallel multiple.Moreover, in demarcation strip 4
Leading edge be formed by bending rise part 41, and in the front side of rise part 41 with the lower part front surface of clogging burning shell 1
Mode is installed with menifold 7.On menifold 7, it is equipped with and the aftermentioned inflow entrance for mixing pipe portion 65,67 of each flat burner 6
65a, 67a facing gas nozzle 71,72.In addition, combustion gas is provided from each gas nozzle 71,72 to each inflow entrance 65a, 67a,
And primary sky is provided to each inflow entrance 65a, 67a from air supply chamber 3 via the gap formed between rise part 41 and menifold 7
Gas.
Flat burner 6 is as shown in Figure 2 and Figure 3, has burner body 61 and covers the combustion on the top of burner body 61
Burner cap 62.On the top of burner body 61, the flame mouth part 63 of the elongated shape of upper opening is formed.Moreover, by
Burner cap 62 is formed with flank fire flame mouth part 64, and flank fire flame mouth part 64 is located at the both sides of flame mouth part 63.In addition, making
The fuel concentration light gaseous mixture thinner than chemically correct fuel is sprayed from flame mouth part 63, and fuel concentration is made to compare chemically correct fuel
Dense rich mixture is sprayed from flank fire flame mouth part 64, carries out so-called bias combustion.
Hereinafter, it is laterally, to flat to set the length direction of flame mouth part 63 as the width direction of front-rear direction, flame mouth part 63
The composition of flat burner 6 is described in detail.Burner body 61 is as shown in figure 4, by a pair of side plates opposite in the horizontal
61a, 61a are constituted.Moreover, both side plate 61a, 61a are by the bending by one block of plate along the lower edge as burner body 61
Line is bent into the state of putting the palms together before one and is formed.In addition, by carrying out punch process to each side plate 61a, in the formation of burner body 61
The flame mouth part 63 of upper end, the mixing pipe portion 65 of lower part and the gaseous mixture from mixing tube portion 65 is directed to flame mouth part
63 portion of distributing chamber 66.
Mixing pipe portion 65 rearward extends from the inflow entrance 65a of the lower front positioned at burner body 61, thereafter end
Bending is connected to portion of distributing chamber 66 upward.Moreover, in the front of burner body 61, positioned at mixing tube portion 65 and distributing chamber
Position between portion 66 is formed with the mixing pipe portion 67 of flank fire.The mixing pipe portion 67 is from the leading edge positioned at burner body 61
Inflow entrance 67a rearward slightly extend and terminate, in the rear end, side offers venthole 67b.
Burner cap 62 have by a pair of side plates 62a of the outer side covering of a pair of side plates 61a, 61a of burner body 61,
62a, and by the bridge portion 62b at the multiple positions before and after edge links up on it both side plate 62a, 62a.In addition, in burner
Between the side plate 61a of main body 61 and the side plate 62a of burner cap 62, it is formed with the flank fire flame mouth part 64 of upper end and incites somebody to action
From flank fire with mixing pipe portion 67 flank fire is directed to via the venthole 67b gaseous mixtures flowed out to the outside of burner body 61
The access of flame mouth part 64.Moreover, multiple positions are formed with recess portion 62c before and after the side plate 62a of burner cap 62, the recess portion
62c is abutted with the lateral surface of the side plate 61a of burner body 61, and flank fire flame mouth part 64 is disconnected in the longitudinal direction.
Moreover, being installed with rectification part 68 in flame mouth part 63, which has is set up in parallel in the horizontal
Multiple cowling panels.In the present embodiment, by 2 pieces of rectifications of 2 pieces of cowling panels 68in, 68in of laterally inboard and lateral outer side
Plate 68out, 68out constitute rectification part 68.In the flame mouth part 63 of burner body 61, with lower direction middle part disposed thereon
Mode be formed with the narrow part 63a that rectification part 68 is clipped from both lateral sides.As a result, in the side plate of the upside of narrow part 63a
The blind gap 63b for not spraying gaseous mixture is formed between a part of 61a and outer side fairing 68out.
The multiple positions before and after the bridge portion 62b with burner cap 62 matches of rectification part 68 have a pair of up and down abut
Portion 68a, 68b and abutting part 68c (with reference to Fig. 5), which makes the cowling panel of inner side and outer side
68in, 68out are against each other, and the flame hole flow path formed between two cowling panel 68in, 68out is disconnected in the longitudinal direction,
Abutting part 68c keeps side fairing 68in, 68in in 2 pieces against each other, the fire that will be formed between interior side fairing 68in, 68in
The flame hole flow path by lateral center in hungry ghosts who spit fire portion 63 disconnects in the longitudinal direction, and rectification part 68 also has secondary abutting part 68d,
Pair abutting part 68d makes interior side fairing 68in, the 68in offset each other in the middle lower portion of the configuration spacing of abutting part 68c
It connects.Moreover, interior side fairing 68in, 68in are concatenated by the linking part 68e of rear and front end, the cowling panel of inner side and outer side
68in, 68out are concatenated by the linking part 68f of multiple position settings before and after its lower edge.
Top in portion of distributing chamber 66 is formed with the throttle 66a of width constriction.The width of throttle 66a is always
It is gradually expanded forwards from the inflow position of gaseous mixture that is, the rear portion in portion of distributing chamber 66 for mixing pipe portion 65.It is flowed into as a result,
The front-rear direction flow distribution of the gaseous mixture of flame mouth part 63 is homogenized.
But if shortening the upper and lower directions size in portion of distributing chamber 66, the part shown in A in Fig. 5 of burner front,
The inflow direction that gaseous mixture is flowed into from portion of distributing chamber 66 to flame mouth part 63 tilts regulation angle forwards relative to upper and lower directions
Spend (for example, 10~15 °) or more, moreover, the part shown in B in the Fig. 5 at burner rear portion, gaseous mixture from portion of distributing chamber 66 to
The inflow direction that flame mouth part 63 flows into is relative to upper and lower directions and more than tilted rearward predetermined angular (for example, 5~10 °).
Here, in the flame hole flow path of the close lateral center of flame mouth part 63, the flow velocity of gaseous mixture is fast, on the flame hole flow path
The flame of formation becomes larger.If in addition, at burner front or rear portion, gaseous mixture is flowed into the flame hole flow path close to lateral center
Inflow direction significantly tilt in the longitudinal direction, then the big flame formed on the flame hole flow path will forward and backward
It tilts, the front surface of shell 1 of burning or rear surface are heated strongly, and the heat waste of burning shell 1 occurs.
Then, in the present embodiment, by the lower half of the mutual abutting part 68c of interior side fairing 68in, 68in, such as scheme
Shown in 5, shape when being formed as from laterally is up-side down triangle.Accordingly, gaseous mixture is with significantly inclined forward and backward
In the case that state is flowed into the flame hole flow path of the close lateral center of flame mouth part 63, as shown in fig. 6, in abutting part
The gaseous mixture that the up-side down triangle part of the lower half of 68c is collided, to have on the front-rear direction opposite with inflow direction
There is the mode of larger velocity component to rebound.Then, under the influence of the air-flow that this rebounds, even if having left abutting part 68c
Flame hole circuit portion, the air-flow of gaseous mixture is also upward.Therefore, shown in A, B of burner front and rear
Point, even if the inflow direction that gaseous mixture is flowed into the flame hole flow path of the close lateral center of flame mouth part 63 is big forward and backward
It tilts to width, can also prevent the flame formed on the flame hole flow path from significantly tilting forward and backward, without firing
Burn the heat waste of shell 1.
Moreover, in the above-described embodiment, although by the mutual whole abutting part 68c shapes of interior side fairing 68in, 68in
As the abutting part of the lower half with up-side down triangle, but can also only will be present in shown in A, B of burner front and rear
Inflow direction from portion of distributing chamber 66 to flame mouth part 63 that flowed into from of part, i.e. gaseous mixture relative to upper and lower directions forward and backward
The abutting part 68c in the part of predetermined angular or more is tilted, the abutting part of the lower half of up-side down triangle is formed to have.Moreover,
Can also upper and lower entirety be also not only all formed as up-side down triangle by the lower half of these abutting parts 68c.Furthermore although can omit
Secondary abutting part 68d, if but the secondary abutting part 68d of setting, the air-flow of gaseous mixture can be made more effectively upward, to be advantageous.
Furthermore, it is also possible to which the 2nd embodiment as shown in Figure 7 is such, make the configuration spacing of abutting part 68c before burner
It partly presents and reduces shown in A, the B at portion and rear portion.Accordingly, it can partly make the air-flow of gaseous mixture relatively reliable shown in A, B
Ground is upward.
Furthermore, it is also possible to which the 3rd embodiment as shown in Figure 8 is such, make to be present in the secondary abutting part of part shown in A, B
68d is tilted for upper and lower directions to the front-rear direction opposite with the inflow direction of gaseous mixture.I.e., make to be present in gaseous mixture
Inflow direction for upper and lower directions the secondary abutting part 68d in part shown in inclined A forwards, relative to upper and lower
Direction and tilted rearward, make the inflow direction for being present in gaseous mixture for upper and lower directions shown in the B of tilted rearward
Part in secondary abutting part 68d, tilted forwards for upper and lower directions.It in this case, also can be shown in A, B
Part makes the air-flow of gaseous mixture more reliably upward.
More than, embodiments of the present invention are illustrated with reference to attached drawing, however, the present invention is not limited thereto.For example, upper
It states in embodiment, although at least lower half of the mutual abutting part 68c of interior side fairing 68in, 68in is formed as inverted triangle
Shape, but can also be not only by the mutual abutting part 68c of interior side fairing 68in, 68in, also by the cowling panel of inner side and outer side
At least lower half of the mutual abutting part 68a of 68in, 68out is formed as up-side down triangle.
Moreover, although the rectification part 68 of the above embodiment is 4 plate tectonics but it is also possible to be in 2 pieces of inside rectifications
There are 5 plate tectonics of central cowling panel between plate.In this case, it is formed between central cowling panel and Ge Nei side fairings
The flame hole flow path of the close lateral center of flame mouth part, so extremely by the abutting part of central cowling panel and Ge Nei side fairings
Few lower half is formed as up-side down triangle.
Moreover, although the flat burner of the above embodiment is the bias combustion formula burner for having burner cap 62,
But it can also be by present invention is equally applicable to the flat burner of the non-bias combustion formula of burner cap is omitted.
Claims (4)
1. a kind of flat burner has the flame mouth part of elongated shape, if before the length direction of flame mouth part is in upper end
Rear direction, the width direction of flame mouth part are the laterally shape on by the burner body that laterally upper opposite a pair of side plates is constituted
The portion of distributing chamber of flame mouth part is directed at the mixing pipe portion for having lower part and by the gaseous mixture from mixing tube portion, in flame
There is the rectification part for the multiple cowling panels being set up in parallel in the horizontal, rectification part to have at front and back multiple positions for installation in oral area
There is abutting part, keeps cowling panel against each other using the abutting part and by the flame hole flow path formed between each cowling panel in front and back
It disconnects upwards,
The flat burner is characterized in that：
The close lateral center for forming flame mouth part flame hole flow path laterally inboard cowling panel abutting part to each other it
In, at least lower half for the abutting part for being at least present in defined front-rear direction part is formed as：Shape when from laterally
Shape be up-side down triangle, it is specified that front-rear direction part refer to：The inflow direction that gaseous mixture is flowed into from portion of distributing chamber to flame mouth part
Tilt the part of predetermined angular or more forward and backward for upper and lower directions.
2. flat burner as described in claim 1, which is characterized in that
The configuration spacing of the abutting part is presented in the defined front-rear direction part to be reduced.
3. flat burner as claimed in claim 1 or 2, which is characterized in that
With secondary abutting part, which makes the cowling panel of the laterally inboard each other in the configuration spacing of the abutting part
Middle lower portion abuts against.
4. flat burner as claimed in claim 3, which is characterized in that
Among the secondary abutting part, be present in it is described as defined in front-rear direction part secondary abutting part relative to upper and lower directions and
It says to the front-rear direction inclination opposite with the inflow direction of gaseous mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222703.9A CN105090956B (en) | 2014-05-23 | 2014-05-23 | Flat burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222703.9A CN105090956B (en) | 2014-05-23 | 2014-05-23 | Flat burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090956A CN105090956A (en) | 2015-11-25 |
| CN105090956B true CN105090956B (en) | 2018-10-02 |
Family
ID=54571958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410222703.9A Active CN105090956B (en) | 2014-05-23 | 2014-05-23 | Flat burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090956B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881364Y (en) * | 2005-11-17 | 2007-03-21 | 徐宁 | Plywood composite burner for gas water heater |
| CN201373411Y (en) * | 2009-03-17 | 2009-12-30 | 上海禾森机电有限公司 | Fire grate used for low discharge combustor of water heater with V-shape fire hole |
| CN201964410U (en) * | 2010-12-30 | 2011-09-07 | 上海禾森机电有限公司 | Burner used in H-shaped gas heating water heater |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090126669A (en) * | 2008-06-05 | 2009-12-09 | 주식회사 경동나비엔 | Premixed burner having fuel nozzle for improving mixing properties of air and fuel |
| JP2011145027A (en) * | 2010-01-15 | 2011-07-28 | Paloma Co Ltd | Gas burner unit and combustion apparatus |
-
2014
- 2014-05-23 CN CN201410222703.9A patent/CN105090956B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881364Y (en) * | 2005-11-17 | 2007-03-21 | 徐宁 | Plywood composite burner for gas water heater |
| CN201373411Y (en) * | 2009-03-17 | 2009-12-30 | 上海禾森机电有限公司 | Fire grate used for low discharge combustor of water heater with V-shape fire hole |
| CN201964410U (en) * | 2010-12-30 | 2011-09-07 | 上海禾森机电有限公司 | Burner used in H-shaped gas heating water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105090956A (en) | 2015-11-25 |
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