CN105927978B - Low nitrogen oxide burner and the gas and hot water equipment using the burner - Google Patents
Low nitrogen oxide burner and the gas and hot water equipment using the burner Download PDFInfo
- Publication number
- CN105927978B CN105927978B CN201610223055.8A CN201610223055A CN105927978B CN 105927978 B CN105927978 B CN 105927978B CN 201610223055 A CN201610223055 A CN 201610223055A CN 105927978 B CN105927978 B CN 105927978B
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- Prior art keywords
- burner
- gas
- air
- deflector
- combustion chamber
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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
- F23D14/02—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The present invention provides a kind of burner, it includes housing, deflector and porous fibre cover.Housing is extended along longitudinally, is equipped with combustion chamber in it, some air inlets are distributed with bottom wall of the side of housing close to combustion chamber, along longitudinally.Deflector is housed in the combustion chamber and positioned at the top of some air inlets, for being directed through combustion gas and the air of air inlet entrance.Porous fibre cover is located above deflector, for burning for air and the mixed gas of combustion gas on its porous fiber media.Since burner employs deflector, the combustion gas and air that enter from air inlet are guided by deflector to enable both to be sufficiently mixed, so that it is guaranteed that the burning on porous fibre cover is more abundant, and then effectively reduce the discharge of nitrogen oxides.
Description
Technical field
The invention belongs to field of combustion equipment, and in particular to the gas and hot water of a kind of burner and the use burner is set
It is standby.
Background technology
Gas and hot water equipment, such as the burner and heat exchanger that are usually provided with gas heater or gas fired-boiler.Combustion
Burner can produce exhaust gas in combustion, and can be discharged into air.Exhaust gas has been generally comprised has shadow to human body and air
Loud component, such as carbon monoxide (CO) or nitrogen oxides (NOx).Carried with living standard and to environmental protection consciousness
Height, people increasingly pay attention to the discharge of pernicious gas in household gas apparatus.The discharge of wherein carbon monoxide is closed by people already
Note, and the manufacturer of a large amount of gas utensils also takes appropriate measures to reduce the discharge of carbon monoxide, however, for nitrogen oxygen
The discharge of compound but not yet causes enough attention.
Show through researching and analysing, the toxicity of nitrogen oxides is greater than carbon monoxide, and long-term discharge can draw air
Pollution of both hair：Acid rain and photochemical fog (Photochemical Smog).The domestic gas formulated in China
In the discharged nitrous oxides mark of tool, the superlative degree is that the national standard Pyatyi requirement nitrous oxides concentration upper limit is 70 milligrams/kilowatt-hour
(mg/kW·h).The discharged nitrous oxides mode for being used for reducing domestic gas tool at present mainly has, dense-dilute burner combustion technology, using fire
The burner of flame cooling body uses burner of Metal Fibre Combustion etc..
Wherein, metal fiber burner refers to be used as burning surface using specialty metal fiber.This metallic fiber can lead to
The porous plate with space network is made in the mode of oversintering, or soft permeability is made by form of presentation and knits
Thing.Due to the uniform breathability of metallic fiber so that flameholding is simultaneously evenly distributed, so that the presence of localized hyperthermia is avoided, into
And inhibit the generation of nitrogen oxides.
0 628 146 B1 of European patent EP 0 157 432 B1 and EP discloses similarly metal fiber burner.
Wherein, burner will provide the combustion gas uniformly premixed in specific proportions and air mixture, and flammable mixture is in metallic fiber table
Burn in face.Burning carries out in two ways, i.e., the heat radiation mode burnt inside metallic fiber, and on the fabric
The blue-flame mode just burnt.How critically to adjust and control, to ensure being sufficiently mixed for combustion gas and air, burning is more filled
Point, it is that those skilled in the art thirst for solving the problems, such as a long time always so as to effectively reduce the discharge of nitrogen oxides.
The content of the invention
It is an object of the invention to provide a kind of burner, it can ensure that combustion gas and air are sufficiently mixed, burning is more filled
Point, so as to effectively reduce the discharge of nitrogen oxides.
The present invention also aims to provide a kind of gas and hot water equipment using said burner.
One of for achieving the above object, the present invention provides a kind of burner, it includes housing, deflector and porous fibre
Dimension cover.Housing is extended along longitudinally, combustion chamber is equipped with it, at bottom wall of the side of housing close to combustion chamber, edge
Some air inlets are distributed with longitudinally.Deflector is housed in the combustion chamber and positioned at the top of some air inlets, for guiding
The combustion gas entered by air inlet and air.Porous fibre cover is located above deflector, for the gaseous mixture for air and combustion gas
Body burns on its porous fiber media.
As a further improvement on the present invention, deflector stretches on the width direction perpendicular to longitudinally, it includes
Towards combustion chamber bottom wall extend stop part, with for stop by air inlet enter combustion gas and air so that beneficial to combustion
Gas and air mixing.
As a further improvement on the present invention, the bottom wall that deflector is further included from stop part towards combustion chamber obliquely extends from
End so that on width direction, end is collectively formed with combustion chamber bottom wall shrinks passage to produce Venturi effect.
As a further improvement on the present invention, in the combustion chamber, spoiler is equipped with relative to the side of some air inlets, disturbed
Flowing plate extends towards deflector and towards away from the direction of combustion chamber bottom wall；The end of spoiler and the end of the end of deflector
The gas outlet that common definition passes through for the mixed gas of combustion gas and air.
As a further improvement on the present invention, the end of spoiler is equipped with some recesses along longitudinally.
As a further improvement on the present invention, which further includes in combustion chamber and positioned at deflector and porous
Homogenizing plate between fiber cover.
As a further improvement on the present invention, homogenizing plate is upwardly away from the side of gas outlet in width side, along longitudinally
Some equal discharge orifices are distributed with.
As a further improvement on the present invention, which further includes the current limiting plate for being arranged on air inlet side, the current limiting plate
Some metering holes corresponding with some air inlets are equipped with, and are changed along longitudinally, the aperture of some metering holes in regular.
As a further improvement on the present invention, porous fiber media by some metallic fibers by way of sintering or working out
It is made, the component of each metallic fiber includes at least iron (Fe), chromium (Cr), aluminium (Al).
To realize above-mentioned another goal of the invention, the present invention also provides a kind of gas and hot water equipment, it includes：
Above-mentioned burner；And
Heat exchanger, the heat of absorption burner generation simultaneously transfer heat to the current by heat exchanger.
Compared with prior art, the beneficial effects of the invention are as follows：Since burner employs deflector, pass through deflector pair
The combustion gas and air entered from air inlet is guided and both is sufficiently mixed, so that it is guaranteed that on porous fibre cover
Burning is more abundant, and then effectively reduces the discharge of nitrogen oxides.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, it is for the present invention in describing below
Attached drawing is only some embodiments of the present invention, for those of ordinary skill in the art, what is do not made the creative labor
Under the premise of, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the perspective exploded view of one embodiment of burner of the present invention；
Fig. 2 is the schematic perspective view after the burner assembling shown in Fig. 1, and wherein current limiting plate is removed；
Fig. 3 is the schematic perspective view after the combustor section shown in Fig. 2 is splitted；
Fig. 4 is the burner schematic cross-sectional view shown in Fig. 2；
Fig. 5 is the floor map of the current limiting plate of the burner shown in Fig. 1；
Fig. 6 is the floor map of one embodiment of gas and hot water equipment of the present invention, and wherein front shroud is removed
To show its internal structure.
Embodiment
Below with reference to each embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are not
The limitation present invention, structure that those of ordinary skill in the art are made according to these embodiments, method or change functionally
Change and be all contained in protection scope of the present invention.
Gas heater and gas fired-boiler are all using fuel gas as fuel, such as natural gas, town gas, liquefied gas, natural pond
Gas etc., by burning combustible gas come heat hot water to meet the needs of user's domestic water and/or central-heating.Following implementations
It will come that the present invention will be described in mode by taking gas heater as an example, but present invention is equally applicable to gas fired-boiler.
With reference first to an embodiment of the gas and hot water equipment of the invention shown in Fig. 6.The gas and hot water equipment
100 include shell, house petticoat pipe 73 in the shell, heat exchanger 71, burner 1, wind turbine 72 and extend shell into
Water pipe, outlet pipe and fuel gas transmission pipeline etc..
Shell can usually be formed by some cover plate splices, such as front shroud, backboard, lamina tecti, bottom plate and a pair of of side cover
Plate.Heat exchanger 71 is typically mounted on the top of burner 1, and in present embodiment, heat exchanger can use fin tube type heat to hand over
Parallel operation, i.e., be provided with multiple fins in shell heat exchanger body, a heat-absorbing water pipe (not indicating) passes through these fins round, it two
Head is connected with water inlet pipe and outlet pipe respectively.Air-gas mixture burns in burner shell, and the heat of generation is handed over by heat
The fin of parallel operation is absorbed, and further passes to the water flowed through in heat-absorbing water pipe, and the water after heating is passed to by outlet pipe
The water pipe of domestic water, thus provide to the user drink, the domestic water such as bathing.
Wind turbine 72 is arranged on 1 lower section side of burner, for promoting gaseous exchange, to provide the air needed for burning, and
Flue gas is promoted to be discharged into petticoat pipe 73.Petticoat pipe 73 is buckled in the top of heat exchanger 71, and the flue gas for collecting burner generation (includes
The exhaust gas of carbon monoxide, nitrogen oxides etc.), and it is externally discharged.
Referring to figs. 1 to an embodiment of the burner 1 of the invention shown in Fig. 3.Burner 1 include housing 10,
Deflector 20, homogenizing plate 30 and the porous fibre cover 40 being housed in housing 10.Housing 10 is made of metal material, its edge
Longitudinally is extended the frame structure to be formed and be rectangle, including a pair of of front and back panel 11, a pair of side plates 13 and by face
The combustion chamber 12 that plate and side plate define.Wherein, use is extended into combustion chamber 12 at the position at top on front panel 11
In the electrode (not indicating) of igniting, as shown in figure 3, electrode is located at the top of porous fibre cover 40, with the table of porous fibre cover
Millet cake fire forms burning.The lower part of front panel 11, close to combustion chamber 121 position of bottom wall at, if being distributed with along longitudinally
Dry air inlet 111.
Deflector 20 includes the plate body of lengthwise extension, it is housed in combustion chamber 12 and is located at above-mentioned some air inlets
111 top, for being directed through air and the combustion gas of the entrance of air inlet 111 on the width direction perpendicular to longitudinally.
Coordinate with reference to shown in Fig. 4, deflector 20 stretches on width direction, it includes horizontal-extending horizontal part 21, from horizontal part 21
The stop part 22 that is obliquely extended from towards the bottom wall 121 of combustion chamber and further from stop part 22 towards combustion chamber bottom wall 121
The end 23 obliquely extended from.Coordinate the gas flow signal (as shown by arrows) shown in reference Fig. 4, the horizontal part of deflector
21st, stop part 22 and left side side wall (not indicating), the bottom wall 121 of combustion chamber jointly define a gas mixing chamber (not indicating).
The combustion gas spurted into by air inlet 111 and the air entered together with combustion gas, which are blocked portion 22, to be stopped, then in mixing chamber
Interior mixing.Since stop part 22 needs to play the barrier effect to air-flow, so it is smaller relative to the gradient of bottom wall 121,
It can even is that perpendicular to bottom wall 121.End 23 is relative to the gradient of bottom wall 121 compared with stop part 22 relative to bottom wall 121
Gradient is big, and the bottom wall 121 of end 23 and combustion chamber can so collectively formed and shrinks passage to produce Venturi effect, from
And the air-flow in mixing chamber is promoted to discharge.Since the principle of Venturi effect is well known to those of ordinary skill in the art, institute
No longer repeated herein with applicant.This neighborhood technique personnel can readily occur in, between horizontal part 21 and stop part 22
Not necessarily by the way of bending, arc transition can also be passed through.
Coordinate with reference to shown in Fig. 3, in combustion chamber 12, a spoiler 14 is fixed with relative to the side of air inlet 111.
The spoiler 14 extends towards deflector 20 and towards away from the direction of combustion chamber bottom wall 121.The end of the spoiler 14 is vertical
The end of upper a little higher than deflector end 23, and both ends jointly define what is passed through for the mixed gas of combustion gas and air
Gas outlet 112 (as shown in Figure 4).In a preferred embodiment, the end of spoiler 14 is equipped with some recessed along longitudinally
Mouth 141, mixed airflow is by disturbed during recess 141, so as to reach the effect further mixed.
Homogenizing plate 30 is arranged in combustion chamber 12 and between deflector 20 and porous fibre cover 40, for that will be vented
The air of the discharge of mouth 112 are uniformly distributed to porous fibre cover 40 with combustion gas mixing gas.Along longitudinally point on homogenizing plate 30
It is furnished with some discharge orifices 31 passed through for mixed gas.In a preferred embodiment, these equal discharge orifices 31 are arranged at width side
The side of gas outlet 112 is upwardly away from, and each development length of the discharge orifice 31 on width direction is less than 30 width of homogenizing plate
2/3rds of length on direction.With reference to the air flow method shown in Fig. 4 (as in Fig. 4 between deflector 20 and homogenizing plate 30
Shown in arrow), by this structure, the mixed gas with fair speed discharged by gas outlet 112, which can initially encounter, to flow
The stop of the non-perforate side of plate 30 and weaken air velocity, then air-flow diffused along width direction and by equal discharge orifice 31 at the uniform velocity
Discharge.As shown in the arrow in Fig. 4 between homogenizing plate 20 and porous fibre cover 40, at the uniform velocity discharged by homogenizing plate 30 mixed
Close air-flow and equably flow to porous fibre cover 40, equably fired so that it is guaranteed that being formed in the fiber medium of porous fibre cover 40
Burn.
Coordinating with reference to shown in Fig. 4, porous fibre cover 40 is removably mounted in housing, and positioned at the upper of homogenizing plate 30
Side, it has the porous fibre plate 41 being made of porous fibre material.In a preferred embodiment, porous fibre plate 41 is by pole
Thin metallic fiber is made, and this metallic fiber can be closed made of including at least elements such as iron (Fe), chromium (Cr), aluminium (Al)
Golden steel fibre, specifically as disclosed in 0 157 432 B1 of European patent EP.Metallic fiber can be both sintered together, and be formed firm
Property and porous plate, can also be made up of fabrication processes softness fabric.It is very strong that two kinds of structures both provide gas permeability
Uniform dielectric.Due to the uniform breathability of metallic fiber so that flameholding is simultaneously evenly distributed, so as to avoid depositing for localized hyperthermia
, and then inhibit the generation of nitrogen oxides.
Coordinate with reference to shown in Fig. 5, which further includes the current limiting plate 50 for being arranged on 111 side of air inlet.The current limliting
Plate is equipped with some metering holes 51 corresponding with some air inlets 111, and along longitudinally, the aperture of some metering holes 51 is in
Regularity change.This is because coordinating with reference to shown in Fig. 6, wind turbine 71 is generally arranged at longitudinal side of burner 1, and more leans on
The air velocity that the air inlet 111 of nearly wind turbine 71 passes through is higher, then the air inflow in the unit interval is bigger, this can firing
The amount of the mixed gas distribution of combustion gas and air on the longitudinally of burner is uneven, so that it is uneven to cause to burn, and then
It is also easy to produce nitrogen oxides.By setting current limiting plate 50, make the aperture of metering hole 51 closer to wind turbine 71 smaller, and further away from wind
The aperture of the metering hole of machine is bigger, so that being evenly distributed into the mixed gas in burner on longitudinally.Such as Fig. 5 institutes
In the embodiment shown, if wind turbine 71 is set close to the right side of current limiting plate 50, the aperture of metering hole 51 is from right to left (as schemed
The middle direction of arrow) linearly increase rule change., whereas if wind turbine 71 is set close to the left side of current limiting plate 50, then current limliting
The rule change that the aperture in hole 51 linearly increases from left to right.In addition, if wind turbine 71 is set among current limiting plate 50,
The rule change that then aperture of metering hole 51 is linearly increased from centre to both sides.
Since burner employs deflector, the combustion gas and air that enter from air inlet are guided by deflector and
Both is sufficiently mixed, so that it is guaranteed that the burning on porous fibre cover is more abundant, and then effectively reduce nitrogen oxides
Discharge.Measured through experiment, using above-mentioned construction, rated power be 27 kilowatts of burner, using G20, (international combustion gas joins
Alliance classifies) natural gas is as combustion gas, and the discharge capacity of its nitrogen oxides is 52 milligrams/kilowatt-hour, less than national standard peak demand
The discharge standard of 70 milligrams/kilowatt-hour.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
1. a kind of burner (1), it is characterised in that the burner includes：
Housing (10), is extended along longitudinally, combustion chamber (12) is equipped with it, in the side of housing close to the bottom of combustion chamber
Wall (121) place, some air inlets (111) are distributed with along longitudinally；
Deflector (20), houses in the combustion chamber and positioned at the top of some air inlets (111), for being directed through air inlet
The combustion gas and air, the deflector that mouth enters are stretched on the width direction perpendicular to longitudinally, it is included towards burning
Room bottom wall (121) extension stop part (22), with for stop by the air inlet (111) enter combustion gas and air,
So as to be mixed beneficial to combustion gas and air；
Porous fibre cover (40), above the deflector, for the mixed gas for air and combustion gas in its porous fibre
Burn on medium.
2. burner according to claim 1, it is characterised in that：The deflector is further included to be fired from stop part (22) direction
The end (23) that the bottom wall (121) of room obliquely extends from is burnt, so that on width direction, the end (23) and combustion chamber bottom wall
(121) collectively form and shrink passage to produce Venturi effect.
3. burner according to claim 2, it is characterised in that：In the combustion chamber, relative to some air inlets
(111) side is equipped with spoiler (14), and the spoiler is towards deflector (20) and towards away from combustion chamber bottom wall (121)
Direction extends；The end common definition of the end of the spoiler (14) and the end (23) of deflector is for the mixed of combustion gas and air
Close the gas outlet (112) that gas passes through.
4. burner according to claim 3, it is characterised in that：If the end of the spoiler is equipped with along longitudinally
Dry recess (141).
5. burner according to claim 3, it is characterised in that：The burner is further included in combustion chamber and is located at
Homogenizing plate (30) between deflector (20) and porous fibre cover (40).
6. burner according to claim 5, it is characterised in that：The homogenizing plate is upwardly away from gas outlet in width side
(112) side, along longitudinally be distributed with some discharge orifices (31).
7. burner according to claim 1, it is characterised in that：The burner further includes the current limliting for being arranged on air inlet side
Plate (50), the current limiting plate are equipped with some metering holes (51) corresponding with some air inlets (111), and along longitudinally,
The aperture of some metering holes changes in regular.
8. burner according to claim 1, it is characterised in that：The porous fiber media is passed through by some metallic fibers
Sintering or the mode of establishment are made, and the component of each metallic fiber includes at least iron (Fe), chromium (Cr), aluminium (Al).
9. a kind of gas and hot water equipment (100), it is characterised in that the equipment includes：
Burner as any one of the claims；And
Heat exchanger (71), the heat of absorption burner generation simultaneously transfer heat to the current by heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223055.8A CN105927978B (en) | 2016-04-01 | 2016-04-01 | Low nitrogen oxide burner and the gas and hot water equipment using the burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223055.8A CN105927978B (en) | 2016-04-01 | 2016-04-01 | Low nitrogen oxide burner and the gas and hot water equipment using the burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105927978A CN105927978A (en) | 2016-09-07 |
| CN105927978B true CN105927978B (en) | 2018-05-15 |
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ID=56837969
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223055.8A Active CN105927978B (en) | 2016-04-01 | 2016-04-01 | Low nitrogen oxide burner and the gas and hot water equipment using the burner |
Country Status (1)
| Country | Link |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153136A1 (en) | 2018-02-07 | 2019-08-15 | 中山市力科电器有限公司 | Vehicle-mounted gas water heater |
| CN111853785B (en) * | 2019-04-30 | 2022-12-06 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas heater |
| CN113494709B (en) * | 2020-03-20 | 2023-02-10 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with same |
| CN111609398B (en) * | 2020-05-29 | 2022-01-07 | 宁波方太厨具有限公司 | Burner with a burner head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03156205A (en) * | 1989-11-10 | 1991-07-04 | Toshiba Corp | Combustion device |
| CN1438451A (en) * | 2002-02-15 | 2003-08-27 | 大日工业株式会社 | Combustion apparatus |
| JP2004226038A (en) * | 2003-01-27 | 2004-08-12 | Fujitsu General Ltd | Combustion apparatus |
| CN200965351Y (en) * | 2006-10-23 | 2007-10-24 | 台湾樱花股份有限公司 | Fully premixed water heater plane combustion device stably operated under the dilution combustion status |
| CN103604123A (en) * | 2013-11-08 | 2014-02-26 | 威能(无锡)供热设备有限公司 | Metal fiber burner and gas water heating equipment adopting same |
-
2016
- 2016-04-01 CN CN201610223055.8A patent/CN105927978B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03156205A (en) * | 1989-11-10 | 1991-07-04 | Toshiba Corp | Combustion device |
| CN1438451A (en) * | 2002-02-15 | 2003-08-27 | 大日工业株式会社 | Combustion apparatus |
| JP2004226038A (en) * | 2003-01-27 | 2004-08-12 | Fujitsu General Ltd | Combustion apparatus |
| CN200965351Y (en) * | 2006-10-23 | 2007-10-24 | 台湾樱花股份有限公司 | Fully premixed water heater plane combustion device stably operated under the dilution combustion status |
| CN103604123A (en) * | 2013-11-08 | 2014-02-26 | 威能(无锡)供热设备有限公司 | Metal fiber burner and gas water heating equipment adopting same |
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| Publication number | Publication date |
|---|---|
| CN105927978A (en) | 2016-09-07 |
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