CN109695877A - A kind of two-stage combustion formula fire row combustor - Google Patents
A kind of two-stage combustion formula fire row combustor Download PDFInfo
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- CN109695877A CN109695877A CN201910001778.7A CN201910001778A CN109695877A CN 109695877 A CN109695877 A CN 109695877A CN 201910001778 A CN201910001778 A CN 201910001778A CN 109695877 A CN109695877 A CN 109695877A
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- air
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 43
- 239000000567 combustion gas Substances 0.000 claims abstract description 29
- 239000013589 supplement Substances 0.000 claims abstract description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 40
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 15
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 12
- 239000000498 cooling water Substances 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229920000914 Metallic fiber Polymers 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000005496 tempering Methods 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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/045—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with a plurality of burner bars assembled together, e.g. in a grid-like arrangement
-
- 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
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
- F23D14/583—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits
- F23D14/586—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits formed by a set of sheets, strips, ribbons or the like
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of two-stage combustion formula fire row combustors, including pedestal and several fiery pieces being set on the base, the gas nozzle being aligned with the fiery piece is provided on pedestal, the gas nozzle is for spraying combustion gas into fiery piece, the combustion gas of injection is able to drive air and enters in fiery piece and form premixed gas, premixed gas can be from the fire hole discharge and burning on fiery piece top, premixed gas in the fire piece is able to carry out anoxycausis, has between each two adjacent fiery pieces for supplementing channel to the auxiliary air of flame supplement air at fire hole.The present invention can be effectively reduced flame temperature, inhibit the generation of nitrogen oxides, it is easy to light a fire and steady flame, the air of supplement can mix once again with the flue gas of not yet after-flame, ensure to burn sufficiently, the power of this fire row combustor can be effectively improved, cooled down without adding cooling water pipe in this fire row combustor, structure is more simple, effectively reduces the discharge amount of nitrogen oxides and carbon monoxide.
Description
Technical field
The present invention relates to fire row combustor fields.
Background technique
Fire row combustor is typically used in the heating such as module furnace, wall-hung boiler, water heater, steam generator, supplying hot water, for steaming
On the device of vapour, pedestal and several fiery pieces being disposed in parallel on pedestal, the combustion that setting is aligned with fiery piece on pedestal are generally included
Gas jets, gas nozzle spray combustion gas into the blast tube of fiery piece, in the process, using injection principle, are able to drive week
The air enclosed enters blast tube and combustion gas mixing, and mixed gas is discharged from the fire hole of fiery piece and is burnt later.
In recent years, since environmental issue is more and more severeer, most stringent of boiler is formally implemented on April 1st, 2017 in Beijing
Discharged nitrous oxides standard, it is desirable that the reduced value < 30mg/ that newly constructed boiler nitrogen oxide emission is 3.5% in benchmark oxygen content
m3While CO emission reduced value < 95mg/m3, subsequent multiple cities and area enact and enforce Beijing standard successively.
Main heating equipment of the burner as boiler, is the main source of boiler air pollution emission, selects more low NOx row
Burner high-volume is the main means for reducing boiler air pollution emission, energy saving to greatest extent and burner weight
Want performance indicator.
The discharge amount of nitrogen oxides and carbon monoxide depend primarily on fuel gas buring it is abundant whether, combustion gas full combustion is then
The discharge of nitrogen oxides and carbon monoxide can be effectively reduced.Traditional single injector fire row combustor is difficult to ensure oxygen and combustion gas
Accurate mixed proportion occur at present therefore, it is difficult to control the discharge amount of nitrogen oxides and carbon monoxide through high-precision cipher telegram
The all-premixing burner that sub-control system control combustion gas and air are premixed in full premix ratio, burning nature is abundant, chemistry
Incomplete combustion loss is less, and the thermal efficiency is high, and nitrogen oxide emission can accomplish < 30mg/m3, carbon monoxide < 95mg/m3, row
High-volume fully meet requirement.Although all-premixing burner can fully meet the atmosphere pollution of newly constructed boiler in terms of energy-saving and environmental protection
Discharge standard, but to guarantee that the stability of full premix combustion controls it is necessary to carry out accurately ratio to combustion gas and air simultaneously,
This is the high nonlinear Control of difficulty.In combustion, the ratio control of combustion gas and air will definitely not for all-premixing burner
Two kinds of situations occur: if premix air is insufficient, and not having Means of Secondary Air Supplement, that is, anoxycausis, carbon monoxide emission
Amount will be substantially increased, the bad reason of energy-saving effect that here it is current most of full premix boilers in actual use it
One: if premix air is excessive, that is, cross and premix, detonation is easy when igniting.The steady flame problem of full premix combustion is another
Problem is difficult to stablize flame using the fire hole structure that mechanical means is processed, and almost global all-premixing burner is all to use
Metallic fiber establishment net package resistant to high temperature fire hole surface carries out steady flame, and the method for this steady flame of micropore is very effective, but at
This is very high, and service life is short, is expensive vulnerable part, and metallic fiber establishment net blocking in order to prevent influences burning, just necessary
Combustion gas is strictly filtered and air-filtering is handled, this not only adds the operating costs of boiler, and influence whether air-fuel ratio
Stability.Head construction is more complicated and heavy to prevent tempering phenomenon, has biggish noise in high pressure, high load capacity
The shortcomings that being all all-premixing burner.
Referring to Fig.1, this kind of single injector fire row combustor is the relatively early fire row combustor for utilizing injection principle, passes through pedestal
Gas nozzle 11 on 10 sprays combustion gas and is mixed to drive air to enter fiery piece 20, is discharged and burns from fire hole 21 later,
Usually set 70% hereinafter, premixed gas can not be lighted for the premix degree of air and combustion gas, by two-phase fire piece 20 it
Between larger spacing supplement air to burning, the flame combustion area under same dimensions will be influenced in this way, from
And the watt level of fire row combustor is influenced, single injector fire row combustor combustion flame height and insufficient, carbon monoxide and nitrogen oxygen
Compound is all very high.
Referring to Fig. 2 and Fig. 3, this kind of all-premixing burner is that the another kind occurred in the recent period is burnt using the fire row of injection principle
Device equally sprays combustion gas to fiery piece 20 by the gas nozzle 11 on pedestal 10 and is mixed to drive air to enter fiery piece 20,
It is discharged and burns from fire hole 21 later, this burner is reached by the jet velocity of regulating gas and the absorbing quantity of air-introduced machine
Nitrogen oxides and carbon monoxide can be equally greatly reduced to the of less demanding of control precision in the full premix of air and combustion gas
Discharge amount, however the nitrogen oxides of this fire row combustor and the discharge amount of carbon monoxide are still not ideal enough, cannot pass through state
The index of the most stringent newly constructed boiler atmosphere pollutants emission standards of family, simultaneously because this fire row combustor is using full premix combustion
Burning mode, without in addition supplement air, each fire piece 20 is close together, and causes heat dissipation effect bad, needs to add water cooling tube 40
Cooling down, water cooling tube 40 can occupy the space of fiery piece 20 again, so that the combustion gas runner 23 of fiery piece 20 can only be arranged by two sides, shadow
Ring premixed flow the uniformity, so as to cause flame be difficult to uniformly it is contour, be easy to cause the phenomenon that partial combustion is insufficient,
Also it is difficult to increase gas nozzle 11 and combustion gas runner 23, is unfavorable for improving the discharge of nitrogen oxides and carbon monoxide.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of structures simply, can effectively reduce nitrogen oxidation
The discharge amount of object, energy-saving and environment-friendly two-stage combustion formula fire row combustor.
The present invention be solve its technical problem and the technical solution adopted is that:
A kind of two-stage combustion formula fire row combustor is arranged on pedestal including pedestal and several fiery pieces being set on the base
There is the gas nozzle being aligned with the fiery piece, for the gas nozzle for spraying combustion gas into fiery piece, the combustion gas of injection being capable of band
Dynamic air enters in fiery piece and forms premixed gas, and premixed gas can be described from the fire hole discharge and burning on fiery piece top
Premixed gas in fiery piece is able to carry out anoxycausis, has between each two adjacent fiery pieces for supplementing air to flame at fire hole
Auxiliary air supplement channel.
Preferably, the premix degree of the premixed gas in the fiery piece is greater than or equal to 85% and less than 95%.
Preferably, auxiliary air spaced a distance and that formation is described supplements channel between each two adjacent fiery pieces.
Preferably, separated by a distance between each two adjacent fiery pieces is 1mm to 3mm.
Preferably, the locating convex block with lateral protrusions on the side wall of the fiery piece, the convex of each two adjacent fiery on pieces
Block abuts against so that two adjacent fiery pieces are at a distance.
Preferably, the top plate of the fiery piece is V-shaped, and the left part and right part and in side of top plate is arranged in the fire hole
To strip.
Preferably, the fiery piece includes matrix and fire hole part, and the top of matrix is arranged in the fire hole part, matrix
On side wall have recessed heat dam, the lower inner wall of the heat dam with it is at a distance above and below the top surface of fire hole part, it is described
The top of the fire hole part is arranged in fire hole.
The beneficial effects of the present invention are: in the present invention, the combustion gas of gas nozzle injection by injection principle drive air into
Enter and form premixed gas in fiery piece, and the premixed gas is able to carry out anoxycausis, can be effectively reduced flame temperature, inhibits nitrogen
The generation of oxide, and be easy to light a fire and steady flame, the secondary sky after lighting premixed gas at fire hole, between each two adjacent fiery pieces
Gas, which supplements channel, to supplement air to flame, and the air of these supplements can mix once again with the flue gas of not yet after-flame, complete
Secondary firing, it is ensured that sufficiently, thus, it is possible to which the discharge of nitrogen oxides is effectively reduced, air needed for second-time burning is less for burning,
Therefore corresponding auxiliary air supplement channel will not occupy excessive space, can effectively improve the function of this fire row combustor
Rate, the air-flow that auxiliary air supplements in channel also can play cooling effect to fiery piece, simultaneously because the anoxycausis of level-one drops
Low flame temperature, there is no need to add cooling water pipe in this fire row combustor to be cooled down, structure is more simple, so that fiery
The combustion gas injection pipeline of piece can be more uniform arrangement, also can easily increase the quantity of injection pipeline, thus it enables that
This fire row combustor burning more sufficiently, flame it is more uniform, further decrease the discharge amount of nitrogen oxides and carbon monoxide.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structure chart of existing single injector fire row combustor.
Fig. 2 is the structure chart of existing full premix fire row combustor；
Fig. 3 is the structure chart of the fiery piece of existing full premix fire row combustor；
Fig. 4 is structure chart of the invention；
Fig. 5 is the partial enlarged view of part A in Fig. 4；
Fig. 6 is cross-sectional view of the invention；
Fig. 7 is the partial enlarged view of part B in Fig. 6；
Fig. 8 is the structure chart of moderate heat piece of the present invention；
Fig. 9 is the cross-sectional view of moderate heat piece of the present invention；
Figure 10 is bottom view of the invention；
Figure 11 is working state schematic representation of the invention.
Specific embodiment
Referring to Fig. 4 to Figure 11, a kind of two-stage combustion formula fire row combustor, if including pedestal 10 and being arranged on pedestal 10
Fire piece 20 is done, the gas nozzle 11 being aligned with fiery piece 20 is provided on pedestal 10, gas nozzle 11 into fiery piece 20 for spraying
Combustion gas, the combustion gas of injection are able to drive air and enter in fiery piece 20 and form premixed gas, and premixed gas can be from fiery piece 20
The fire hole 21 on top is discharged and burning, and the premixed gas in fiery piece 20 is able to carry out anoxycausis, between each two adjacent fiery pieces 20
With for supplementing channel 30 to the auxiliary air of flame supplement air at fire hole 21.In the present invention, what gas nozzle 11 sprayed
Combustion gas drives air to enter fiery piece 20 and forms premixed gas by injection principle, and the premixed gas is able to carry out anoxycausis,
It can be effectively reduced flame temperature, inhibit the generation of nitrogen oxides, and be easy to light a fire and steady flame, premix gas is lighted at fire hole 21
After body, the auxiliary air supplement channel 30 between each two adjacent fiery pieces 20 can supplement air to flame, the air of these supplements
It can be mixed once again with the flue gas of not yet after-flame, complete secondary firing, it is ensured that sufficiently, thus, it is possible to nitrogen oxidation is effectively reduced for burning
The discharge of object, air needed for second-time burning is less, thus corresponding auxiliary air supplement channel 30 will not occupy it is excessive
Space can effectively improve the power of this fire row combustor, and the air-flow that auxiliary air supplements in channel 30 also can be to fiery piece 20
Cooling effect is played, simultaneously because the anoxycausis of level-one reduces flame temperature, there is no need to increase in this fire row combustor
If cooling water pipe is cooled down, structure is more simple, the arrangement for enabling the combustion gas injection pipeline of fiery piece 20 more uniform,
The quantity that injection pipeline can easily be increased, thus, it is possible to make, the burning of this fire row combustor is more abundant, flame is more equal
It is even, further decrease the discharge amount of nitrogen oxides and carbon monoxide.
In the present invention, the premix degree of the premixed gas in fiery piece 20 is greater than or equal to 85% and less than 95%, in this way can
The combustion efficiency of premixed gas is effectively ensured, and the size in auxiliary air supplement channel 30 can be reduced, so as to protect
Card combustion stability and raising efficiency of combustion reach good balance between the two, in practical applications, are sprayed by regulating gas
Premix degree can be adjusted in the parameters such as the size of mouth 11, the injection duct size of fiery piece 20, fuel gas injection speed, these are all
It is the common technology means in this field, those skilled in the art are easy to be adjusted according to actual needs, not make separately herein
It is described in detail.Premix degree in the present invention is the premix ratio of relatively complete burning, and premix degree is the 100% i.e. ratio of air and combustion gas
It can just be the combustion gas it is believed that for certain volume for combustion gas completely burned, premix degree 90%, the volume of premix air is
90% of volume needed for completely burned, and so on, this is also the common metering method of those skilled in the art.
It is spaced a distance between each two adjacent fiery pieces 20 and form auxiliary air supplement channel 30 in the present invention, such energy
Enough effectively to facilitate processing and assembly, structure is more simple, using between pedestal 10 and fiery piece 20 gap and pedestal 10 on
Blow vent 12 aloows outside air smoothly to enter in auxiliary air supplement channel 30 and passes through from bottom to top
Fiery piece 20 can play good heat dissipation effect to fiery piece 20, certainly, can also be in addition in two adjacent fiery pieces 20 in practical application
Part is arranged air pipeline etc. and supplements channel 30 as auxiliary air, it is not limited to this.
In the present invention, separated by a distance between each two adjacent fiery pieces 20 is 1mm to 3mm, can satisfy most of situation
The demand of lower air supplement, and large effect will not be caused to flame combustion area, it can be in air supplement and the function that burns
Preferable balance is played between rate.Certainly, in practical application, this is separated by a distance to be adjusted flexibly as needed, do not limit to
In this.
There is the locating convex block 22 of lateral protrusions, 22 phase of locating convex block on each two adjacent fiery pieces 20 on the side wall of fiery piece 20
It abuts so that two adjacent fiery pieces 20 are at a distance, easily each fiery piece 20 can be positioned such that obtain each fiery piece 20 in this way
Between be able to maintain scheduled standoff distance, convenient for assembly, also can be improved the structural strength of this fire row combustor.
In the present invention, the top plate of fiery piece 20 is V-shaped, and the left part and right part and in lateral of top plate is arranged in fire hole 21
Strip in this way can be oriented to the premixed gas stream in fiery piece 20, be formed to the inclined air-flow in two sides, so that fiery
Flame can be tilted between two fiery pieces 20, and the air that can make full use of auxiliary air supplement channel 30 carries out secondary firing, really
It protects burning sufficiently, can also promote flowing of the air in auxiliary air supplement channel 30.
Fiery piece 20 includes matrix 24 and fire hole part 25, and fire hole part 25 is arranged in the top of matrix 24, on the side wall of matrix 24
With recessed heat dam 26, the lower inner wall of heat dam 26 and at a distance above and below the top surface of fire hole part 25, the setting of fire hole 21
At the top of fire hole part 25, it can effectively slow down the speed that flame heat regulating is transmitted to matrix 24 at fire hole 21 in this way, thus, it is possible to
The temperature of matrix 24 is effectively reduced, avoids matrix 24 from overheating and influences to use, so that high temperature resistance can be used is lower for matrix 24
Material production, can be effectively reduced cost of the invention.In the present embodiment, the lower inner wall of heat dam 26 and 25 top surface of fire hole part
Between the upper and lower away from for 2mm, excellent heat insulation can be reached, certainly, in practical application, which can flexibly adjust as needed
It is whole, in addition, the front and rear width of heat dam 26 is substantially equal to front end fire hole 21 and rearmost end fire on fire hole part 25 in the present embodiment
Spacing between hole 21, thus, it is possible to adequately be thermally shielded, certainly, in practical application, the front and rear width of heat dam 26 can root
It is adjusted flexibly according to needs.In the present embodiment, fire hole part 25 is fastened in the mounting groove at 24 top of matrix, facilitates processing and assembly,
It is fixed as well as without using screw, glue etc., is not easy to generate aging deformation because of high temperature, helps to improve this hair
Bright reliability and service life.
The above description is only a preferred embodiment of the present invention, as long as realizing the skill of the object of the invention with essentially identical means
Art scheme belongs within protection scope of the present invention.
Claims (7)
1. a kind of two-stage combustion formula fire row combustor, several fiery pieces (20) including pedestal (10) and setting on pedestal (10),
The gas nozzle (11) being aligned with the fiery piece (20) is provided on pedestal (10), the gas nozzle (11) is used for fiery piece
(20) combustion gas is sprayed in, the combustion gas of injection is able to drive air and enters in fiery piece (20) and form premixed gas, premixed gas
It can be from fire hole (21) discharge and burning on fiery piece (20) top, it is characterised in that: the premixed gas energy in the fire piece (20)
Anoxycausis is enough carried out, is had between each two adjacent fiery pieces (20) for the auxiliary air to flame supplement air at fire hole (21)
It supplements channel (30).
2. a kind of two-stage combustion formula fire row combustor according to claim 1, it is characterised in that: in the fiery piece (20)
The premix degree of premixed gas be greater than or equal to 85% and less than 95%.
3. a kind of two-stage combustion formula fire row combustor according to claim 1, it is characterised in that: each two adjacent fiery pieces (20)
Between it is spaced a distance and form the auxiliary air and supplement channel (30).
4. a kind of two-stage combustion formula fire row combustor according to claim 3, it is characterised in that: each two adjacent fiery pieces (20)
Between it is separated by a distance be 1mm to 3mm.
5. a kind of two-stage combustion formula fire row combustor according to claim 3, it is characterised in that: the side of the fire piece (20)
There is the locating convex block (22) of lateral protrusions, the locating convex block (22) on each two adjacent fiery pieces (20) abuts against so that two-phase on wall
Adjacent fire piece (20) is at a distance.
6. a kind of two-stage combustion formula fire row combustor according to claim 1, it is characterised in that: the top of the fire piece (20)
Plate is V-shaped, and the left part and right part and in lateral strip of top plate is arranged in the fire hole (21).
7. a kind of two-stage combustion formula fire row combustor according to claim 1, it is characterised in that: fiery piece (20) packet
Matrix (24) and fire hole part (25) are included, the fire hole part (25) is arranged on the top of matrix (24), the side wall of matrix (24)
With recessed heat dam (26), the lower inner wall of the heat dam (26) with it is at a distance above and below the top surface of fire hole part (25),
The top of the fire hole part (25) is arranged in the fire hole (21).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001778.7A CN109695877A (en) | 2019-01-02 | 2019-01-02 | A kind of two-stage combustion formula fire row combustor |
| PCT/CN2019/089530 WO2020140383A1 (en) | 2019-01-02 | 2019-05-31 | Two-stage fuel burning row burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001778.7A CN109695877A (en) | 2019-01-02 | 2019-01-02 | A kind of two-stage combustion formula fire row combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109695877A true CN109695877A (en) | 2019-04-30 |
Family
ID=66232484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910001778.7A Pending CN109695877A (en) | 2019-01-02 | 2019-01-02 | A kind of two-stage combustion formula fire row combustor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109695877A (en) |
| WO (1) | WO2020140383A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230813A (en) * | 2019-05-31 | 2019-09-13 | 广东万家乐燃气具有限公司 | Spliced low NO fire row, low NO and gas and hot water equipment |
| CN110230815A (en) * | 2019-05-31 | 2019-09-13 | 广东万家乐燃气具有限公司 | A kind of low NO fire row piece, low NO and gas and hot water equipment |
| CN110530030A (en) * | 2019-09-09 | 2019-12-03 | 广东长青（集团）股份有限公司 | A kind of burner and water heater |
| CN110594738A (en) * | 2019-10-23 | 2019-12-20 | 上海金巨源热能技术有限公司 | Burner with two linear fire holes |
| WO2020140384A1 (en) * | 2019-01-02 | 2020-07-09 | 刘维 | Gradual combustion type fire plate combustor |
| WO2020140383A1 (en) * | 2019-01-02 | 2020-07-09 | 刘维 | Two-stage fuel burning row burner |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201335414Y (en) * | 2008-12-16 | 2009-10-28 | 李仕清 | Energy-saving furnace with throat opening being higher than the shell |
| JP2013040728A (en) * | 2011-08-18 | 2013-02-28 | Nippon Thermoener Co Ltd | Gas burner |
| CN203687036U (en) * | 2013-12-18 | 2014-07-02 | 芜湖美的厨卫电器制造有限公司 | Burner of gas water heater and gas water heater |
| CN204648246U (en) * | 2015-05-09 | 2015-09-16 | 广东万和新电气股份有限公司 | For the fire row of gas heater burner |
| CN106482098A (en) * | 2016-11-16 | 2017-03-08 | 宁波方太厨具有限公司 | A kind of water heater burner |
| CN207378822U (en) * | 2017-09-21 | 2018-05-18 | 广东万和新电气股份有限公司 | Shade burner |
| CN207741075U (en) * | 2018-01-09 | 2018-08-17 | 浙江广涛卫厨有限公司 | A kind of burner |
| CN108644772A (en) * | 2018-05-09 | 2018-10-12 | 宁波风腾燃具有限公司 | A kind of upper inlet wind type burner |
| CN108916872A (en) * | 2018-07-20 | 2018-11-30 | 广东万和新电气股份有限公司 | A kind of gas heater and its burner |
| CN209639004U (en) * | 2019-01-02 | 2019-11-15 | 刘维 | A kind of two-stage combustion formula fire row combustor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3198017B2 (en) * | 1994-09-06 | 2001-08-13 | パロマ工業株式会社 | Gas burner |
| JP3461056B2 (en) * | 1995-05-29 | 2003-10-27 | 三洋電機株式会社 | Gas combustion equipment |
| JP4826906B2 (en) * | 2006-08-10 | 2011-11-30 | 株式会社ノーリツ | Combustion device and hot water supply device |
| CN101191613B (en) * | 2006-11-28 | 2011-06-22 | 海尔集团公司 | Burner for blue burning flare gas water heater |
| CN102635863B (en) * | 2012-04-08 | 2015-01-14 | 威能(无锡)供热设备有限公司 | Burner and fuel gas hot water equipment adopting same |
| CN109695877A (en) * | 2019-01-02 | 2019-04-30 | 刘维 | A kind of two-stage combustion formula fire row combustor |
| CN109695876A (en) * | 2019-01-02 | 2019-04-30 | 刘维 | A kind of Ran's combustion fire row combustor |
-
2019
- 2019-01-02 CN CN201910001778.7A patent/CN109695877A/en active Pending
- 2019-05-31 WO PCT/CN2019/089530 patent/WO2020140383A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201335414Y (en) * | 2008-12-16 | 2009-10-28 | 李仕清 | Energy-saving furnace with throat opening being higher than the shell |
| JP2013040728A (en) * | 2011-08-18 | 2013-02-28 | Nippon Thermoener Co Ltd | Gas burner |
| CN203687036U (en) * | 2013-12-18 | 2014-07-02 | 芜湖美的厨卫电器制造有限公司 | Burner of gas water heater and gas water heater |
| CN204648246U (en) * | 2015-05-09 | 2015-09-16 | 广东万和新电气股份有限公司 | For the fire row of gas heater burner |
| CN106482098A (en) * | 2016-11-16 | 2017-03-08 | 宁波方太厨具有限公司 | A kind of water heater burner |
| CN207378822U (en) * | 2017-09-21 | 2018-05-18 | 广东万和新电气股份有限公司 | Shade burner |
| CN207741075U (en) * | 2018-01-09 | 2018-08-17 | 浙江广涛卫厨有限公司 | A kind of burner |
| CN108644772A (en) * | 2018-05-09 | 2018-10-12 | 宁波风腾燃具有限公司 | A kind of upper inlet wind type burner |
| CN108916872A (en) * | 2018-07-20 | 2018-11-30 | 广东万和新电气股份有限公司 | A kind of gas heater and its burner |
| CN209639004U (en) * | 2019-01-02 | 2019-11-15 | 刘维 | A kind of two-stage combustion formula fire row combustor |
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| WO2020140384A1 (en) * | 2019-01-02 | 2020-07-09 | 刘维 | Gradual combustion type fire plate combustor |
| WO2020140383A1 (en) * | 2019-01-02 | 2020-07-09 | 刘维 | Two-stage fuel burning row burner |
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