CN105091341B - Heat source machine - Google Patents
Heat source machine Download PDFInfo
- Publication number
- CN105091341B CN105091341B CN201410207281.8A CN201410207281A CN105091341B CN 105091341 B CN105091341 B CN 105091341B CN 201410207281 A CN201410207281 A CN 201410207281A CN 105091341 B CN105091341 B CN 105091341B
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- Prior art keywords
- dense
- light
- nozzle
- gas
- combustion gas
- Prior art date
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- 239000007789 gas Substances 0.000 claims abstract description 51
- 239000000567 combustion gas Substances 0.000 claims abstract description 36
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000008246 gaseous mixture Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 3
- 238000013316 zoning Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The present invention provides a kind of heat source machine of the heat exchanger of Exposure degree type and latent heat recovery type for having and being heated with the burner unit formed by multiple shade burners are set side by side, on the gas manifold (6) for providing combustion gas to burner unit, equipped with the light nozzle (63) and dense nozzle (64) facing with the light inflow entrance and dense inflow entrance of shade burner, wherein, even if when operating stopping, the air inversion of high humility in heat exchanger for latent heat recovery, and it condenses in dense nozzle, it is bad that the burning because of caused by the blocking of nozzle bore will not occur.Heat source machine of the invention, on gas manifold (6), it is equipped with and provides light gas compartment (66) the He Xiangnong nozzle (64) that combustion gas is provided to light nozzle (63) to the partition wall (68) that the dense gas compartment (67) of combustion gas separates.Being formed on partition wall (68) makes the light one or more interconnecting parts (69) being connected to dense two gas compartments.Combustion gas is from light gas compartment 66) dense gas compartment (67) are supplied to via interconnecting part (69).Moreover, the total open area of interconnecting part (69) is smaller than the total open area of the nozzle bore of multiple dense nozzles (64).
Description
Technical field
The present invention relates to a kind of heat source machine, which has the heat exchanger of Exposure degree type and the heat of latent heat recovery type
Exchanger uses and multiple shade burners is set side by side and the burner unit that is formed is as the burning for heating these heat exchangers
Device unit, shade burner have light flame hole and dense flame hole, and it is diluter than chemically correct fuel which sprays fuel concentration
Thin light gaseous mixture, the dense flame hole spray rich mixture of the fuel concentration than richer.
Background technique
In the past, in this heat source machine, to burner unit provide combustion gas gas manifold on, equipped with be connected to it is each dense
The facing light nozzle of the light inflow entrance of the light flame hole of light burner and dense with the dense flame hole that is connected to each shade burner
The facing dense nozzle of inflow entrance (referring for example to patent document 1).Here, shade burner is by by spraying from dense flame hole
Rich mixture burning and the small dense flame that is formed the burning by the light gaseous mixture sprayed from light flame hole is formed
Big light flame carry out keeping flame, need to make the amount of injection of the combustion gas from dense nozzle than the combustion gas from light nozzle
The amount of injection is few.Then, in the past, make the opening area of the nozzle bore of the light nozzle of the open area ratio of the nozzle bore of dense nozzle small, from
And the amount of injection of the combustion gas from dense nozzle is limited on a small quantity.
But in heat exchanger for latent heat recovery, generated because of the condensation of the vapor in burning and gas-exhausting a large amount of useless
Water.In addition, the evaporation of air waste water caused by waste heat in heat exchanger for latent heat recovery due to, becomes after heat source machine operating stops
At high humility.Sometimes the air of the high humility is warm via Exposure degree type from heat exchanger for latent heat recovery due to the influence of wind etc.
Exchanger adverse current arrives the configuration section of burner unit, occurs sometimes in a part of the light nozzle of gas manifold and dense nozzle at this time
Moisture condensation.In this case, although there is no problem for moisture condensation at light nozzle, if condensing at dense nozzle, opening area is small
Nozzle bore can be clogged with the water droplet, and gas can't get out.As a result, dense flame not will form, light flame is easy to increase, and it is wrong that igniting occurs
Accidentally, the burning such as flame-out is bad halfway.
Citation
Patent document
1 Japanese Unexamined Patent Publication 2006-250484 bulletin of patent document
Summary of the invention
The present invention is to propose in view of the above problems, and its purpose is to provide a kind of heat source machines, can be prevented because dense
The undesirable generation of burning caused by the moisture condensation of nozzle.
To solve the above-mentioned problems, heat source machine of the invention has the heat exchanger and latent heat recovery type of Exposure degree type
Heat exchanger, the heat source machine use the burner unit that multiple shade burners are set side by side and are formed to hand over as these heat are heated
The burner unit of parallel operation, the shade burner have light flame hole and dense flame hole, and the light flame hole sprays fuel rich
The light gaseous mixture thinner than chemically correct fuel is spent, the dense flame hole sprays dense mixing of the fuel concentration than richer
Gas, to burner unit provide combustion gas gas manifold on be equipped with light nozzle and dense nozzle, the light nozzle be connected to it is each dense
The light inflow entrance of the light flame hole of light burner is facing, and the dense nozzle is dense with the dense flame hole that is connected to each shade burner
Inflow entrance is facing, which is characterized in that gas manifold, which has to multiple light nozzles, provides the light gas compartment of combustion gas, to multiple dense sprays
Mouth provides the dense gas compartment of combustion gas and separates the partition wall of light gas compartment and dense gas compartment, and being formed on partition wall will be light
One or more interconnecting parts that gas compartment is connected to dense gas compartment, combustion gas are supplied to dense gas via interconnecting part from light gas compartment
Room;The total open area of interconnecting part is smaller than the total open area of the nozzle bore of multiple light nozzles, the nozzle bore of multiple dense nozzles
Total open area is bigger than the total open area of interconnecting part, by the throttle effect at interconnecting part, by the combustion from each dense nozzle
The amount of injection of gas is limited to fewer than the amount of injection of the combustion gas from each light nozzle.
According to the present invention, even if the opening area of the nozzle bore of dense nozzle is bigger, for example, with the nozzle bore of light nozzle
Opening area is identical, and the throttle effect at interconnecting part can also be utilized to make the amount of injection ratio of the combustion gas from dense nozzle from light spray
The amount of injection of the combustion gas of mouth is few.It is therefore not required to make opening for the nozzle bore of the light nozzle of the open area ratio of the nozzle bore of dense nozzle
Open area is small, even if condensing in dense nozzle, the obstruction of nozzle bore, can prevent caused by will not also occurring as light nozzle because of moisture condensation
The undesirable generations of burning such as stop fire is wrong, midway is flame-out.
Detailed description of the invention
Fig. 1 is the explanatory diagram for schematically showing the composition of heat source machine of embodiments of the present invention.
Fig. 2 is the amplification cutaway side view of the mian part of the heat source machine of embodiment.
Fig. 3 is the perspective view for the shade burner being arranged on the heat source machine of embodiment.
Fig. 4 is the sectional view of the shade burner of the IV-IV line progress cutting along Fig. 3.
Fig. 5 is the perspective view of the state after the cover board for the gas manifold being arranged on the heat source machine of embodiment unloads.
Figure number explanation
11、12... burner unit, 10 ... shade burners, 11 ... light flame holes, 12 ... dense flame holes, 13 ... light inflows
Mouthful, 14 ... dense inflow entrances, 31、32... Exposure degree type heat exchanger, 41、42... heat exchanger for latent heat recovery, 6 ... gas discriminations
Pipe, 63 ... light nozzles, the nozzle bore of the light nozzle of 63a ..., 64 ... dense nozzles, the nozzle bore of the dense nozzle of 64a ..., 66 ... light gases
Room, 67 ... dense gas compartments, 68 ... partition walls, 69 ... interconnecting parts.
Specific embodiment
The heat source machine of embodiments of the present invention shown in FIG. 1 is supplied with hot water and heating device, will supply heat
1st burner unit 1 of water1With the 2nd heating burner unit 12On built-in burning shell, being set side by side with makes
With the 1st burner unit 11Burning and gas-exhausting heated supply hot water the 1st Exposure degree type heat exchanger 31And make
With the 2nd burner unit 12The 2nd heating Exposure degree type heat exchanger 3 that is heated of burning and gas-exhausting2, then,
1 Exposure degree type heat exchanger 31On configured with supply hot water the 1st heat exchanger for latent heat recovery 41, the 1st latent heat time
Receipts type heat exchanger 41Recycling has passed through the 1st Exposure degree type heat exchanger 31Burning and gas-exhausting in latent heat, moreover, aobvious the 2nd
Heat recovery type heat exchanger 32On be provided with the 2nd heating heat exchanger for latent heat recovery 42, the 2nd latent heat recovery type heat
Exchanger 42Recycling has passed through the 2nd Exposure degree type heat exchanger 32Burning and gas-exhausting in latent heat.Moreover, latent the 1st and the 2nd
Heat recovery type heat exchanger 41、42Downside be configured with waste water pallet 4a, which receives each latent heat recovery type heat exchange
Device 41、42The waste water generated by the Water vapor condensation in burning and gas-exhausting.
Fig. 2 is also referred to, demarcation plate 21 and zoning wall 22 are equipped in burning shell 2, demarcation plate 21 will burn in shell 2
Space is separated into the air supply chamber 2b of combustion chamber 2a and its downside, and zoning wall 22 is by combustion chamber 2a zoning at the 1st burner unit 11
Disposed chamber and the 2nd burner unit 12Disposed chamber.It is connected with combustion blower 5 in the bottom surface of air supply chamber 2b, is roused from burning
Blower 5 provides air to air supply chamber 2b.It is formed with multiple distribution hole 21a on demarcation plate 21, is supplied to the air of air supply chamber 2b
Combustion chamber 2a is supplied to as auxiliary air via these distribution holes 21a.
L burner unit 11Be the shade burner of strip 10 is arranged in the horizontal direction in the longitudinal direction it is multiple, specifically
For be set side by side 15 and constitute, the 2nd burner unit 12Be same shade burner 10 is arranged in the horizontal direction it is more
It is a, it is specifically set side by side 4 and constitutes.
Each shade burner 10 has light flame hole 11 and a pair of dense flame hole 12,12 as shown in Figure 3, Figure 4, in upper end,
Light flame hole 11 sprays the thin light gaseous mixture that fuel concentration is lower than chemically correct fuel, and a pair of dense flame hole 12,12 is located at light
The both lateral sides of flame hole 11, and spray the rich mixture that fuel concentration is richer than chemically correct fuel.In light flame hole 11, installation
The multiple cowling panel 11a being transversely set side by side.Moreover, being equipped with and light flame in the lower front part of each shade burner 10
The dense inflow entrance 14 of the connected upside of light inflow entrance 13, the Ji Yunong flame hole 12 of the connected downsides of mouth 11.
It is formed by bending rise part 21b in the leading edge of demarcation plate 21 referring to Fig. 2, in the front side of rise part 21b, with stifled
The mode for clogging the lower part front surface of burning shell 2 is installed with gas manifold 6.Gas manifold 6 is by manifold bodies 61 and cover board 62
It constitutes, manifold bodies 61 are made of casting piece, and cover board 62 will block before manifold bodies 61.In manifold bodies 61, it is equipped with
It the light nozzle 63 that is faced with the light inflow entrance 13 of each shade burner 10 and faces with the dense inflow entrance 14 of each shade burner
Dense nozzle 64.In addition, providing combustion gas from each nozzle 63,64 to each inflow entrance 13,14, and from air supply chamber 2b via in rise part
The gap formed between 21b and gas manifold 6 provides primary air to each inflow entrance 13,14.
Moreover, constituting the 1st burner unit 1115 shade burners 10, be grouped into 5,3 and 7 this 3 groups
La, lb, lc change the combination of the group of burning corresponding to supply hot water load.For this purpose, as shown in figure 5, in manifold bodies 61
Equipped with supply unit 6a, supply unit 6b, supply unit 6c and supply unit 6d, supply unit 6a is to 5 shade burners 10 for belonging to group 1a
There is provided combustion gas, supply unit 6b provides combustion gas to 3 shade burners 10 for belonging to group 1b, and supply unit 6c is to belonging to 7 of group 1c
Shade burner 10 provide combustion gas, supply unit 6d to constitute the 2nd burner unit 124 shade burners 10 provide combustion gas,
Combustion gas is flowed into each supply unit 6a~6d (referring to Fig. 2) via corresponding solenoid valve 65.
But shade burner 10 be formed and by the burning of the rich mixture sprayed from dense flame hole 12 it is small
The big light flame that dense flame forms the burning by the light gaseous mixture sprayed from light hungry ghosts who spit fire 11 carries out keeping flame, needs
Keep the amount of injection of the combustion gas from dense nozzle 64 fewer than the amount of injection of the combustion gas from light nozzle 63.In this case, if made
The opening area of the nozzle bore 63a of the light nozzle 63 of the open area ratio of the nozzle bore 64a of dense nozzle 64 is small, and will come from dense nozzle
The amount of injection of 64 combustion gas is limited to that on a small quantity, then exception below can be generated.That is, the 1st and the 2nd latent heat returns when operating stopping
Receipts type heat exchanger 41、42The air of interior high humility is due to the influence of wind etc. via each Exposure degree type heat exchanger 31、32It is inverse
Flow to combustion chamber 2a;And the air is flowed to from each thick and thin flame mouth 11,12 of shade burner 10 via each inflow entrance 13,14
A part of each deep or light nozzle 63,64, condenses in a part.
Here, the opening area of the nozzle bore 63a of light nozzle 63 is bigger (aperture (diameter) is 1.7mm or so), so
Even if light nozzle 63 moisture condensation there is no problem, if but dense nozzle 64 condense, the small nozzle bore 64a of opening area is by water droplet
Obstruction, gas cannot come out.As a result, dense flame not will form, light flame is easy to increase, so that igniting mistake, midway occur
It is flame-out to wait burning bad.
Here, in the present embodiment, as shown in figure 5, in above-mentioned each supply unit 6a~6d of gas manifold 6, be equipped with to
Multiple light nozzles 63 of each supply unit 6a~6d provide the light gas compartment 66 of the downside of combustion gas, to each supply unit 6a~6d's
The partition wall that multiple dense nozzles 64 provide the dense gas compartment 67 of the upside of combustion gas and separate light gas compartment 66 and dense gas compartment 67
68, the one or more interconnecting parts 69 for being connected to light gas compartment 66 with dense gas compartment 67 are formed on partition wall 68.
Moreover, offer the valve opening 65a of solenoid valve 65 in the lower part of light gas compartment 66, by the valve opening of solenoid valve 65 from
The combustion gas that valve opening 65a is flowed into is supplied to dense gas compartment 67 via interconnecting part 69 from light gas compartment 66.In addition, making in each supply unit 6a
The total open area for the interconnecting part 69 being arranged on the partition wall 68 of~6d is than multiple light sprays for being arranged on each supply unit 6a~6d
The total open area of the nozzle bore 63a of mouth 63 is small, and makes the spray of multiple dense nozzles 64 being arranged on each supply unit 6a~6d
The total open area of nozzle aperture 64a is than the total open area for the interconnecting part 69 being arranged on the partition wall 68 of each supply unit 6a~6d
Greatly, by the throttle effect at interconnecting part 69, the amount of injection of the combustion gas from each dense nozzle 64 is restricted to than from each light
The amount of injection of the combustion gas of nozzle 63 is few.
Accordingly, even if the aperture of the nozzle bore 64a of dense nozzle 64 is set as the aperture with the nozzle bore 63a of light nozzle 63
Identical 1.7mm or so, and make the opening of the opening area of the nozzle bore 64a of dense nozzle 64 and the nozzle bore 63a of light nozzle 63
Area is identical, also the amount of injection ratio of the combustion gas from dense nozzle 64 can be made from light by the throttle effect at interconnecting part 69
The amount of injection of the combustion gas of nozzle 63 is few.It is therefore not required to make the light nozzle 63 of the open area ratio of the nozzle bore 64a of dense nozzle 64
The opening area of nozzle bore 63a is small, even if condensing in dense nozzle 64, caused by will not also occurring as light nozzle 63 because of moisture condensation
The blocking of nozzle bore 64a can prevent wrong, the undesirable generation of burning such as flame-out halfway of lighting a fire.
More than, although embodiments of the present invention are illustrated referring to attached drawing, however, the present invention is not limited thereto.For example,
In the above-described embodiment, the leading edge to connect in the cover board 62 with partition wall 68 forms the indentation as interconnecting part 69, but
Also interconnecting part 69 can be constituted with the slit or hole that are formed in partition wall 68.Moreover, above embodiment is to apply the present invention
In supply hot water and heating heat source machine, but it equally can also apply the present invention to do not have the 2nd burner unit 12, it is aobvious
Recovery type heat exchanger 32And heat exchanger for latent heat recovery 42The dedicated heat source machine of supply hot water.
Claims (1)
1. a kind of heat source machine has the heat exchanger of Exposure degree type and the heat exchanger of latent heat recovery type, which is used
Multiple shade burners are set side by side and the burner unit that is formed is as the burner unit for heating these heat exchangers, institute
It states shade burner and has light flame hole and dense flame hole, it is thinner than chemically correct fuel that the light flame hole sprays fuel concentration
Light gaseous mixture, the dense flame hole spray rich mixture of the fuel concentration than richer,
To burner unit provide combustion gas gas manifold on be equipped with light nozzle and dense nozzle, the light nozzle be connected to it is each dense
The light inflow entrance of the light flame hole of light burner is facing, and the dense nozzle is dense with the dense flame hole that is connected to each shade burner
Inflow entrance is facing,
The heat source machine is characterized in that:
Gas manifold, which has to multiple light nozzles, to be provided the light gas compartment of combustion gas, provides the dense gas of combustion gas to multiple dense nozzles
Room and the partition wall for separating light gas compartment and dense gas compartment, are formed with light gas compartment and dense gas compartment on partition wall
One or more interconnecting parts of connection, combustion gas are supplied to dense gas compartment via interconnecting part from light gas compartment,
The total open area of interconnecting part is smaller than the total open area of the nozzle bore of multiple light nozzles, the nozzle bore of multiple dense nozzles
Total open area is bigger than the total open area of interconnecting part, by the throttle effect at interconnecting part, by the combustion from each dense nozzle
The amount of injection of gas be limited to it is fewer than the amount of injection of the combustion gas from each light nozzle,
The opening area of the nozzle bore of each dense nozzle is identical as the opening area of nozzle bore of each light nozzle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410207281.8A CN105091341B (en) | 2014-05-16 | 2014-05-16 | Heat source machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410207281.8A CN105091341B (en) | 2014-05-16 | 2014-05-16 | Heat source machine |
Publications (2)
Publication Number | Publication Date |
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CN105091341A CN105091341A (en) | 2015-11-25 |
CN105091341B true CN105091341B (en) | 2019-04-12 |
Family
ID=54572325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410207281.8A Expired - Fee Related CN105091341B (en) | 2014-05-16 | 2014-05-16 | Heat source machine |
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CN (1) | CN105091341B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2890375T3 (en) * | 2016-11-25 | 2022-01-18 | Wuhu Midea Kitchen & Bath Appliances Mfg Co Ltd | Burner and gas water heater provided with the same |
JP2019070492A (en) * | 2017-10-11 | 2019-05-09 | リンナイ株式会社 | Combustion apparatus |
CN112082159A (en) * | 2019-06-14 | 2020-12-15 | 芜湖美的厨卫电器制造有限公司 | Gas distributing rod for gas water heater and gas water heater with gas distributing rod |
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CN1834536A (en) * | 2005-03-14 | 2006-09-20 | 林内株式会社 | Burning device |
CN101395433A (en) * | 2006-04-24 | 2009-03-25 | 林内株式会社 | Single can-type composite heat source machine |
CN201401793Y (en) * | 2009-04-24 | 2010-02-10 | 广东万和新电气股份有限公司 | Gas shade combustor |
CN102032569A (en) * | 2009-09-30 | 2011-04-27 | 株式会社日立制作所 | Combustor |
CN202074562U (en) * | 2011-03-31 | 2011-12-14 | 西安热工研究院有限公司 | Pulverized coal rich-lean concentration ratio adjusting device suitable for rich-lean burner |
CN102537962A (en) * | 2010-12-16 | 2012-07-04 | 株式会社能率 | Rich-lean combustion burner |
CN102635863A (en) * | 2012-04-08 | 2012-08-15 | 威能(无锡)供热设备有限公司 | Burner and fuel gas hot water equipment adopting same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07280219A (en) * | 1994-04-15 | 1995-10-27 | Hitachi Chem Co Ltd | Low nox burner ans combustion apparatus using the same |
JP6016263B2 (en) * | 2012-09-14 | 2016-10-26 | 株式会社長府製作所 | Mixture distribution structure, sleeve fire type light and dark combustion burner equipped with the same, and mixture distribution method |
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2014
- 2014-05-16 CN CN201410207281.8A patent/CN105091341B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2360724Y (en) * | 1999-01-05 | 2000-01-26 | 中国华北电力集团公司华北电力技术院 | Strong weak burner |
CN1834536A (en) * | 2005-03-14 | 2006-09-20 | 林内株式会社 | Burning device |
CN101395433A (en) * | 2006-04-24 | 2009-03-25 | 林内株式会社 | Single can-type composite heat source machine |
CN201401793Y (en) * | 2009-04-24 | 2010-02-10 | 广东万和新电气股份有限公司 | Gas shade combustor |
CN102032569A (en) * | 2009-09-30 | 2011-04-27 | 株式会社日立制作所 | Combustor |
CN102537962A (en) * | 2010-12-16 | 2012-07-04 | 株式会社能率 | Rich-lean combustion burner |
CN202074562U (en) * | 2011-03-31 | 2011-12-14 | 西安热工研究院有限公司 | Pulverized coal rich-lean concentration ratio adjusting device suitable for rich-lean burner |
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Granted publication date: 20190412 |