CN108954317A - A kind of low NO of the negative pressure of wall-hung boilerxBurner - Google Patents
A kind of low NO of the negative pressure of wall-hung boilerxBurner Download PDFInfo
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- CN108954317A CN108954317A CN201810541586.0A CN201810541586A CN108954317A CN 108954317 A CN108954317 A CN 108954317A CN 201810541586 A CN201810541586 A CN 201810541586A CN 108954317 A CN108954317 A CN 108954317A
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- light
- burner
- dense
- combustion gas
- slot
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- 239000000567 combustion gas Substances 0.000 claims abstract description 94
- 238000009792 diffusion process Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 40
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 239000011324 bead Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The present invention relates to a kind of negative pressure low-NOx combustors of wall-hung boiler, it burns under condition of negative pressure, the burner includes that light combustion gas introduces burning flow path and dense combustion gas introducing burning flow path, it includes light combustion gas ejecting port (1) that the light combustion gas, which introduces burning flow path, light blast tube and light burner (5), it includes dense combustion gas ejecting port (4) that the dense combustion gas, which introduces burning flow path, dense blast tube and dense burner (6), the light burner (5) and dense burner (6) is located at burner top, wherein light burner (5) is located at centre, dense burner (6) is located at two sides, and deep or light diffusion region (8) are equipped between light burner (5) and dense burner (6).Compared with prior art, the present invention has many advantages, such as that structure is simple, fuel gas buring is abundant, NO_x formation is few, applied widely.
Description
Technical field
The present invention relates to a kind of burners for wall-hung boiler, more particularly, to a kind of low NOx for wall-hung boiler
Burner.
Background technique
As dynamics of the country to environment protection treating continues to increase, continuous new standard is had to the flue gas emission of gas appliance and is gone out
It is existing, especially to NOxDischarge, must all have low NO now into American-European gas appliancexRequirement, and China is to combustion gas
Apparatus NOxEmission request also started in 2012.Existing common wall-hung boiler burner can generate a large amount of NO in burningx,
This can cause environmental pollution, or even acid rain can occur and jeopardize the respiratory system generation lesion of the mankind.
Chinese patent CN104807010A discloses the negative pressure low-NOx combustor of wall-hung boiler, mainly under condition of negative pressure
Burning, the burner includes burner mainboard, which is equipped with ejecting port, and burner mainboard top is equipped with
Fire row, the ejecting port connects fire row by ejector pipe, there are two the ejecting port is set, respectively dense combustion gas ejecting port and
Light combustion gas ejecting port, the fire row are equipped at least three parallel burner slots, wherein the burner slot for being distributed in two sides is dense fire
Mouthful, being distributed in intermediate burner slot is light burner, and the dense combustion gas ejecting port connects dense burner, institute by dense combustion gas ejector pipe
The light combustion gas ejecting port stated connects light burner by light combustion gas ejector pipe, which mainly passes through the dense combustion gas ejecting port of setting
With light combustion gas ejecting port, the ratio of two kinds of pre-mixing gas combustions is avoided since the factors such as air draught speed or air pressure influence dense combustion gas
Low NOx flue gas emission is not achieved so that second-time burning temperature be caused to rise and destroy combustion stability with the ratio of light combustion gas.
But the structure has the disadvantage that but the structure fire row is set there are six parallel burner slot, wherein be distributed in the two of two sides
A burner slot is dense burner, and being distributed in four intermediate burner slots is light burner, and light burner and light burner are closely packed together, a side
Face flow guiding structure is complicated, and on the other hand dense combustion gas and light combustion gas do not have the effect burnt respectively and just mix, it is difficult to thorough
Bottom reduces NOx flue gas emission.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of burning is substantially stabilized
Wall-hung boiler negative pressure low-NOx combustor.
The purpose of the present invention can be achieved through the following technical solutions: a kind of negative pressure low-NOx combustor of wall-hung boiler,
It burns under condition of negative pressure, which is characterized in that the burner includes that light combustion gas introduces burning flow path and dense combustion gas introducing combustion
Burn flow path, it includes light combustion gas ejecting port (1), light blast tube and light burner (5) that the light combustion gas, which introduces burning flow path, described
Dense combustion gas introduce burning flow path include dense combustion gas ejecting port (4), dense blast tube and dense burner (6), the light burner (5)
It is located at burner top with dense burner (6), wherein light burner (5) is located at centre, dense burner (6) is located at two sides, and light burner
(5) deep or light diffusion region (8) are equipped between dense burner (6)；
Light combustion gas and dense combustion gas are respectively after light burner (5) and dense burner (6) burning, and superfluous combustion gas and air are in deep or light expansion
It dissipates the secondary mixing of area (8) progress to burn away, so that fuel gas buring is abundant, in addition, the ignition temperature of secondary combustion gas is compared
The temperature of ordinary combustion substantially reduces, to be effectively reduced NOxGeneration.
The light burner (5) includes the light burner slot of multiple groups, and the light burner slot of each group is by least two parallel light burner slots
Composition；
The dense burner (6) includes the deep or light burner slot of multiple groups, and every group of deep or light burner slot has two to be oppositely arranged on pair
The deep or light burner slot composition of light burner slot two sides should be organized, wherein deep or light burner slot is vertically arranged with deep or light burner slot, and every dense
It is deep or light diffusion region (8) between light burner slot and corresponding group of light burner slot.
The width of the deep or light diffusion region (8) is 1~2mm, and length is 140~150mm, it is ensured that deep or light combustion gas is being left
Diffusion after burner is mixed to form stable thick and thin flame combustion zone.
The light burner slot is rectangle strip, it is ensured that the combustion gas rate of outflow is uniform, is realized by punching press punching technology, with
Obtain stable burner size.
The light blast tube is made of multiple pipeline connection, and the dense blast tube is by being wrapped in light blast tube
The shell of two sides forms, and light blast tube and dense blast tube form shell structure, wherein intermediate tube side, dense combustion are walked in light combustion gas
Make the shell side of two sides leave with rage.
The light blast tube includes the light gas mixing chamber (3) for connecting light combustion gas ejecting port (1), and with light burner
(5) the light gas distribution pipe (7) of connection, the light gas distribution pipe (7) are the transverse pipe below the light burner (5)
Road is equipped with a transverse groove (10) at the top of the horizontal pipeline, and all light burner slots of the transverse groove (10) and light burner (5) join
It is logical；Light combustion gas introduces light gas mixing chamber (3) by light combustion gas ejecting port (1) and mixes, and then passes through light gas distribution pipe (7)
After distribution, by transverse groove (10) even into each light burner slot of the light burner (5).
It is a light gas inlet pipe (11) being laterally arranged, the light gas inlet pipe (11) below the light burner (5)
Above the light gas distribution pipe (7), and pass through transverse groove (10) connection；
Space between the transverse groove (10) and the shell for forming dense blast tube constitutes dense combustion gas diversion channel
(4), narrow dense combustion gas input channel is formd between light gas inlet pipe (11) and the shell of its two sides.
The shell of described light gas inlet pipe (11) two sides is equipped with current limliting boss (9) raised inwardly, it can be ensured that
The stabilization of dense burner air-flow being evenly distributed with air velocity, also acts the effect for stablizing dense burner size.
Multiple parting beads (11) are equipped among the light burner (5), multiple parting bead (11) both ends connect shells for light burner
(5) multiple groups are separated into；
Current limliting boss (9) is connect with each parting bead (11) respectively, dense burner (6) is separated into multiple groups, and light burner (5) is opposite
It answers.
The dense combustion gas ejecting port (4) is introduced in dense blast tube by a pipeline, and equipped with multiple on the pipeline
Diffusing opening (12).
The diameter of the light combustion gas ejecting port is 17~19mm, big with the coefficient of excess air for the light combustion gas for ensuring to be passed through
In 1.5.The light gas flow rate of the light burner is that 1.65-1.90 marks meter per second, and the dense gas flow rate of the dense burner is
0.4-0.65 marks meter per second.
The setting of above structure can get enough light burner excess air coefficients and stable mixed gas static pressure band, control
The gas flow rate of light burner is made, speed difference is provided for deep or light diffusion mixing, the region of mixing and diffusion is provided.
Compared with prior art, the invention has the following advantages that
(1) present invention is provided with light combustion gas and introduces burning flow path and dense combustion gas introducing burning flow path, by light combustion gas and dense combustion
Gas divides two-way to carry out primary combustion after crater, and has been equipped with dense burner and light burner, dense burner and light burner it
Between be provided with deep or light diffusion region, on the one hand avoid the ratio of two kinds of pre-mixing gas combustions due to factors such as air draught speed or air pressures
The ratio of dense combustion gas and light combustion gas is influenced, so that second-time burning temperature be caused to rise and destroy combustion stability, low NO is not achievedx
On the other hand the deep or light diffusion region of specific width and length is arranged, it is ensured that expansion of the deep or light combustion gas after leaving burner in flue gas emission
It dissipates, is mixed to form stable thick and thin flame combustion zone, it is ensured that the stabilization of burning.
(2) dense burner is arranged in the two sides of entire burner by the present invention, and vertical with light burner, and between reserved space,
Air quantity space needed for ensuring light flame in structure and mixing require.
(3) present invention enters between light burner in light combustion gas and is allocated in advance by light gas distribution pipe, makes to enter light
The combustion gas of each of burner fire slot is uniform, it is ensured that full combustion；Current limliting boss is set in dense burner channel simultaneously, it is ensured that dense burner
Air flow method is uniformly stablized with air velocity.
(4) present invention is negative compression ignition burner, overcomes the difficult point that low nitrogen burning is only limited to pressure combustion.
(5) the configuration of the present invention is simple, burning sufficiently, can effectively reduce the generation of nitrogen oxides in burning, reach energy conservation
The purpose of environmental protection.
Detailed description of the invention
Fig. 1 is positive structure diagram of the invention；
Fig. 2 is side structure schematic view of the invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1~2, a kind of negative pressure low-NOx combustor of wall-hung boiler burns, feature exists under condition of negative pressure
In the burner includes that light combustion gas introduces burning flow path and dense combustion gas introducing burning flow path, and the light combustion gas introduces combustion
Burning flow path includes light combustion gas ejecting port 1, light blast tube and light burner 5, and it includes dense combustion that the dense combustion gas, which introduces burning flow path,
Gas injection mouth 4, dense blast tube and dense burner 6, the light burner 5 and dense burner 6 are located at burner top, wherein light burner
5 are located at centre, and dense burner 6 is located at two sides, and deep or light diffusion region 8 is equipped between light burner 5 and dense burner 6；
The light burner 5 includes the light burner slot of multiple groups, and the light burner slot of each group is by least two parallel light burner slot groups
At；The dense burner 6 includes the deep or light burner slot of multiple groups, and every group of deep or light burner slot has two to be oppositely arranged on the corresponding light fire of group
The deep or light burner slot composition of mouth slot two sides, wherein deep or light burner slot is vertically arranged with deep or light burner slot, and every deep or light burner slot
It is deep or light diffusion region 8 between corresponding group of light burner slot.
The width of the deep or light diffusion region 8 is 1~2mm, and length is 140~150mm, it is ensured that fire is being left in deep or light combustion gas
Diffusion after mouthful, is mixed to form stable thick and thin flame combustion zone.The light burner slot is rectangle strip, it is ensured that combustion gas stream
Speed is uniform out, is realized by punching press punching technology, to obtain stable burner size.
The light blast tube is made of multiple pipeline connection, and the dense blast tube is by being wrapped in light blast tube
The shell of two sides forms, and light blast tube and dense blast tube form shell structure, wherein intermediate tube side, dense combustion are walked in light combustion gas
Make the shell side of two sides leave with rage.The light blast tube includes the light gas mixing chamber 3 for connecting light combustion gas ejecting port 1, and with it is light
The light gas distribution pipe 7 of 5 connection of burner, the light gas distribution pipe 7 are the horizontal pipeline positioned at light 5 lower section of burner,
A transverse groove 10, all light burner slot connection of the transverse groove 10 and light burner 5 are equipped at the top of the horizontal pipeline；Light combustion gas passes through
Light combustion gas ejecting port 1 introduces light gas mixing chamber 3 and mixes, and after then distributing by light gas distribution pipe 7, passes through transverse groove 10
Even into each light burner slot of the light burner 5.It is a light gas inlet pipe being laterally arranged below the light burner 5
11, which is located at 7 top of light gas distribution pipe, and passes through 10 connection of transverse groove；The transverse groove
Space between 10 and the shell of the dense blast tube of formation constitutes dense combustion gas diversion channel 4, light gas inlet pipe 11 and its two sides
Shell between form narrow dense combustion gas input channel.
The shell of 11 two sides of light gas inlet pipe is equipped with current limliting boss 9 raised inwardly, it can be ensured that dense fire
The stabilization of implication stream being evenly distributed with air velocity, also acts the effect for stablizing dense burner size.In the light burner 5
Between be equipped with multiple parting beads 11, light burner 5 is separated into multiple groups by multiple 11 both ends of parting bead connection shells；Current limliting boss 9 is respectively and respectively
Parting bead 11 connects, and dense burner 6 is separated into multiple groups, and light burner 5 is corresponding.The dense combustion gas ejecting port 4 passes through a pipeline
It introduces in dense blast tube, and is equipped with multiple diffusing openings 12 on the pipeline.
The diameter of the light combustion gas ejecting port is 17~19mm, big with the coefficient of excess air for the light combustion gas for ensuring to be passed through
In 1.5.The light gas flow rate of the light burner is that 1.65-1.90 marks meter per second, and the dense gas flow rate of the dense burner is
0.4-0.65 marks meter per second.
Light combustion gas is introduced from light combustion gas ejecting port 1, is sufficiently mixed into light gas mixing chamber 3, is then distributed through light combustion gas
After pipe 7 distributes, by transverse groove 10 even into light gas inlet pipe 11, then each light burner slot of the light burner 5 is inputted,
It burns.
Dense combustion gas is introduced from dense combustion gas ejecting port 4, is diffused into dense blast tube through diffusing opening 12, is divided through current limliting boss 9
Each dense burner slot for entering dense burner 6 after matching, burns.
Light combustion gas and dense combustion gas are respectively after light burner 5 and dense burner 6 burn, and superfluous combustion gas and air are in deep or light diffusion region
8, which carry out secondary mixing, burns away, so that fuel gas buring is abundant, in addition, the ignition temperature of secondary combustion gas is compared to common combustion
The temperature of burning substantially reduces, to be effectively reduced NOxGeneration, it is each through detecting the gas after burner combustion of the present invention
Constituent content is as follows:
Claims (10)
1. a kind of negative pressure low-NOx combustor of wall-hung boiler, burns under condition of negative pressure, which is characterized in that the burner
Burning flow path is introduced including light combustion gas and dense combustion gas introduces burning flow path, and it includes light combustion gas that the light combustion gas, which introduces burning flow path,
Ejecting port (1), light blast tube and light burner (5), the dense combustion gas introduce burning flow path include dense combustion gas ejecting port (4),
Dense blast tube and dense burner (6), the light burner (5) and dense burner (6) are located at burner top, wherein light burner (5)
Positioned at centre, dense burner (6) is located at two sides, and is equipped with deep or light diffusion region (8) between light burner (5) and dense burner (6)；
Light combustion gas and dense combustion gas are respectively after light burner (5) and dense burner (6) burning, and superfluous combustion gas and air are in deep or light diffusion region
(8) secondary mixing is carried out to burn away.
2. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 1, which is characterized in that the light fire
Mouth (5) includes the light burner slot of multiple groups, and the light burner slot of each group is made of at least two parallel light burner slots；
The dense burner (6) includes the deep or light burner slot of multiple groups, and every group of deep or light burner slot has two to be oppositely arranged on corresponding group
The deep or light burner slot of light burner slot two sides forms, wherein deep or light burner slot is vertically arranged with deep or light burner slot, and every deep or light fire
It is deep or light diffusion region (8) between mouth slot and corresponding group of light burner slot.
3. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 1 or 2, which is characterized in that described is dense
The width of light diffusion region (8) is 1~2mm, and length is 140~150mm.
4. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 2, which is characterized in that the light fire
Mouth slot is rectangle strip.
5. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 1, which is characterized in that the light combustion
Gas channel is made of multiple pipeline connection, and the dense blast tube is made of the shell for being wrapped in light blast tube two sides, light
Blast tube and dense blast tube form shell structure, wherein intermediate tube side is walked in light combustion gas, the shell side of two sides is walked in dense combustion gas.
6. the negative pressure low-NOx combustor of a kind of wall-hung boiler according to claim 1 or 5, which is characterized in that described is light
Blast tube includes the light gas mixing chamber (3) for connecting light combustion gas ejecting port (1), and the light combustion gas with light burner (5) connection
Distribution pipe (7), which is the horizontal pipeline below the light burner (5), on the horizontal pipeline top
Portion is equipped with a transverse groove (10), all light burner slot connection of the transverse groove (10) and light burner (5)；Light combustion gas passes through light combustion gas
Ejecting port (1) introduces light gas mixing chamber (3) mixing and passes through transverse groove (10) after then being distributed by light gas distribution pipe (7)
Even into each light burner slot of the light burner (5).
7. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 6, which is characterized in that the light fire
It is a light gas inlet pipe (11) being laterally arranged below mouth (5), which is located at the light combustion gas distribution
It manages above (7), and passes through transverse groove (10) connection；
Space between the transverse groove (10) and the shell for forming dense blast tube constitutes dense combustion gas diversion channel (4), light
Narrow dense combustion gas input channel is formd between gas inlet pipe (11) and the shell of its two sides.
8. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 7, which is characterized in that the light combustion
The shell of gas input pipe (11) two sides is equipped with current limliting boss (9) raised inwardly.
9. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 8, which is characterized in that the light fire
Multiple parting beads (11) are equipped among mouth (5), light burner (5) is separated into multiple groups by multiple parting bead (11) both ends connection shells；
Current limliting boss (9) is connect with each parting bead (11) respectively, dense burner (6) is separated into multiple groups, and light burner (5) is corresponding.
10. a kind of negative pressure low-NOx combustor of wall-hung boiler according to claim 1, which is characterized in that the dense combustion
Gas injection mouth (4) is introduced in dense blast tube by a pipeline, and is equipped with multiple diffusing openings (12) on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541586.0A CN108954317B (en) | 2018-05-30 | 2018-05-30 | Negative pressure low NO for wall hanging stovexBurner with a burner head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541586.0A CN108954317B (en) | 2018-05-30 | 2018-05-30 | Negative pressure low NO for wall hanging stovexBurner with a burner head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108954317A true CN108954317A (en) | 2018-12-07 |
| CN108954317B CN108954317B (en) | 2020-10-16 |
Family
ID=64492563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810541586.0A Active CN108954317B (en) | 2018-05-30 | 2018-05-30 | Negative pressure low NO for wall hanging stovexBurner with a burner head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954317B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307541A (en) * | 2019-06-12 | 2019-10-08 | 上海禾森机电有限公司 | A kind of chimney flue type bias combustion low NO |
| CN113654041A (en) * | 2021-07-22 | 2021-11-16 | 何俊荣 | Up-draft thick-thin burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007163043A (en) * | 2005-12-14 | 2007-06-28 | Paloma Ind Ltd | Rich/lean combustion burner |
| CN104807010A (en) * | 2015-04-30 | 2015-07-29 | 上海禾森机电有限公司 | Low-NOx burner for wall-hung stove |
| CN205174358U (en) * | 2015-12-02 | 2016-04-20 | 浙江普尔法智能电气有限公司 | Hanging is combustor for stove |
| US20160312999A1 (en) * | 2015-04-22 | 2016-10-27 | Rinnai Corporation | Rich-lean burner |
| CN106801868A (en) * | 2016-12-27 | 2017-06-06 | 威能(无锡)供热设备有限公司 | Burner unit and the gas and hot water equipment using the burner unit |
| CN107314372A (en) * | 2017-07-19 | 2017-11-03 | 广东万和新电气股份有限公司 | The burner of gas heater |
| CN108006629A (en) * | 2016-11-25 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Burner and there is its gas heater |
-
2018
- 2018-05-30 CN CN201810541586.0A patent/CN108954317B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007163043A (en) * | 2005-12-14 | 2007-06-28 | Paloma Ind Ltd | Rich/lean combustion burner |
| US20160312999A1 (en) * | 2015-04-22 | 2016-10-27 | Rinnai Corporation | Rich-lean burner |
| CN104807010A (en) * | 2015-04-30 | 2015-07-29 | 上海禾森机电有限公司 | Low-NOx burner for wall-hung stove |
| CN205174358U (en) * | 2015-12-02 | 2016-04-20 | 浙江普尔法智能电气有限公司 | Hanging is combustor for stove |
| CN108006629A (en) * | 2016-11-25 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Burner and there is its gas heater |
| CN106801868A (en) * | 2016-12-27 | 2017-06-06 | 威能(无锡)供热设备有限公司 | Burner unit and the gas and hot water equipment using the burner unit |
| CN107314372A (en) * | 2017-07-19 | 2017-11-03 | 广东万和新电气股份有限公司 | The burner of gas heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307541A (en) * | 2019-06-12 | 2019-10-08 | 上海禾森机电有限公司 | A kind of chimney flue type bias combustion low NO |
| CN113654041A (en) * | 2021-07-22 | 2021-11-16 | 何俊荣 | Up-draft thick-thin burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108954317B (en) | 2020-10-16 |
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Denomination of invention: A negative pressure low NO burner for wall mounted boilers Effective date of registration: 20231213 Granted publication date: 20201016 Pledgee: Fengxian Branch of Shanghai Rural Commercial Bank Co.,Ltd. Pledgor: SHANGHAI HESEN ELECTRO-MACHINERY Co.,Ltd. Registration number: Y2023310000842 |