CN113834064B - Ammonia gas burner - Google Patents
Ammonia gas burner Download PDFInfo
- Publication number
- CN113834064B CN113834064B CN202111187981.1A CN202111187981A CN113834064B CN 113834064 B CN113834064 B CN 113834064B CN 202111187981 A CN202111187981 A CN 202111187981A CN 113834064 B CN113834064 B CN 113834064B
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- Prior art keywords
- ammonia
- combustion chamber
- channel
- inlet
- air
- Prior art date
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000002485 combustion reaction Methods 0.000 claims abstract description 67
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 34
- 238000005338 heat storage Methods 0.000 claims abstract description 24
- 239000000446 fuel Substances 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims 6
- 238000009825 accumulation Methods 0.000 claims 3
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000013064 chemical raw material Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009620 Haber process Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 239000011470 perforated brick Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000003313 weakening 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
- F23D14/02—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
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
-
- 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
- F23D14/66—Preheating the combustion air or gas
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses an ammonia burner, which comprises a cylinder body, wherein an expansion section is formed at the front part of the cylinder body, a heat storage stable combustion body is formed at the front part of the expansion section, an inner combustion chamber corresponding to the heat storage stable combustion body is formed in the expansion section, an inner combustion chamber, an inner air passage, an outer combustion chamber and an outer air passage are sequentially arranged in the cylinder body from inside to outside, the inner combustion chamber and the inner air passage are communicated with the inner combustion chamber, the outer combustion chamber and the outer air passage extend to the heat storage stable combustion body, and flow equalizers are arranged in the inner combustion chamber, the inner air passage, the outer combustion chamber and the outer air passage, so that the combustion stability and conversion efficiency of ammonia can be better improved.
Description
Technical Field
The invention relates to the technical field of combustors, in particular to an ammonia combustor.
Background
Ammonia gas is a very easy-to-liquefy gas, and can be pressurized and liquefied at normal temperature. Ammonia is an important chemical raw material and is mainly used for manufacturing nitrogenous fertilizer and compound fertilizer. Industrial ammonia is produced by the haber process by direct chemical combination of N 2 and H 2 at high temperature and pressure in the presence of a catalyst, N 2 typically being derived from air and H 2 typically being derived from fossil fuels.
Electrolytic hydrogen production is always limited by hydrogen production cost and cannot be popularized on a large scale. At present, under the condition of large-scale popularization of new energy and renewable energy, power grid peak shaving becomes a key for safe operation of the power grid. The new energy power generation price is gradually reduced, the water electrolysis hydrogen production economy is gradually developed, the electrolysis hydrogen production can consume redundant electric quantity to well adjust the balance of a power grid, and the generated hydrogen is also an important energy chemical raw material. Because the hydrogen energy density is low, the long-distance transportation is inconvenient, the hydrogen is produced by adopting water electrolysis, and then ammonia is produced by an ammonia synthesis process, and the ammonia is easy to liquefy and convenient for long-distance transportation.
The ammonia gas prepared by clean energy can be used as raw material or fuel. Currently, there is no burner on the market that is dedicated to burning ammonia. The combustion stability of ammonia in a large space is poor, and the main problem faced by ammonia combustion is poor combustion stability and low ammonia conversion rate.
Disclosure of Invention
In view of the above-mentioned technical shortcomings, the present invention aims to provide an ammonia burner capable of improving the stability of combustion of ammonia and the conversion rate of ammonia.
In order to solve the technical problems, the invention adopts the following technical scheme:
The invention provides an ammonia gas burner, which comprises a cylinder body, wherein an expansion section is formed at the front part of the cylinder body, a heat storage stable combustion body is formed at the front part of the expansion section, an inner combustion chamber corresponding to the heat storage stable combustion body is formed in the expansion section, an inner combustion chamber, an inner air passage, an outer combustion chamber and an outer air passage are sequentially formed in the cylinder body from inside to outside, the inner combustion chamber, the inner air passage and the inner combustion chamber are communicated, the outer combustion chamber and the outer air passage extend to the heat storage stable combustion body, a flow equalizer is arranged in each of the inner combustion chamber, the inner air passage, the outer combustion chamber and the outer combustion chamber, a first fuel inlet communicated with the inner fuel passage, a second fuel inlet communicated with the outer combustion chamber, an air inlet communicated with the inner air passage and an air inlet second communicated with the outer air passage are arranged in the cylinder body in sequence from inside to outside, an igniter device extending into the inner combustion chamber is arranged in the cylinder body along a tangential direction, the inside of the heat storage stable combustion body is a porous heat storage body, and a porous air flow passage is formed outside a porous air storage structure.
Preferably, the flow equalizer is a porous plate structure provided with a plurality of small holes.
Preferably, the diameter of the small hole of the flow equalizer is 5mm-20mm.
Preferably, the sum of the cross-sectional areas of the small holes of the flow equalizer is 50% -70% of the cross-sectional area of the corresponding channel.
Preferably, the length of the heat accumulating flame stabilizing body is 200mm-500mm.
Preferably, the heat storage stable combustion body is internally provided with a porous brick heat storage body structure.
Preferably, the heat accumulating and combustion stabilizing body is of a circular net structure.
Preferably, the porous thermal mass structure is made of alumina, titania or mixtures thereof.
The invention has the beneficial effects that: .
According to the invention, through arranging the inner and outer multi-layer ammonia gas and air channels, ammonia gas and air respectively enter the burner in two ways, ammonia gas, air, ammonia gas and air are sequentially arranged from the center to the outer side, other ammonia gas and air enter all channels of the burner along the tangential direction except the ammonia gas in the central channel, and the porous flow equalizer is arranged in the burner, so that the ammonia gas can be uniformly distributed in the cylinder, the central ammonia gas is firstly combusted in the internal combustion chamber to heat the heat storage stable combustion body, and the heated heat storage stable combustion body can better ensure the stable combustion of the ammonia gas; the middle of the heat storage stable combustion body is of a porous structure, the outer side of the heat storage stable combustion body is provided with an external air channel, and swirl blades are arranged in the external air channel, so that the air in the external channel flows out of the heat storage stable combustion body to generate rotary flow, the air and the ammonia are well mixed and combusted, and the stability and the conversion rate of ammonia combustion can be better improved; the invention realizes the stable and continuous combustion of the central flame through the internal combustion chamber and the heat storage stable combustion body, avoids the internal flame from being blown out by external air flow, heats the outer layer ammonia to above the ignition point through the heat storage body, and realizes the smooth combustion of the outer layer ammonia.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an ammonia burner according to example 1 of the present invention.
FIG. 2 is a schematic inlet view of an ammonia burner according to example 1 of the present invention.
FIG. 3 is a schematic view of an ammonia burner cylinder according to example 1 of the present invention.
Fig. 4 is a schematic diagram of a current equalizer according to embodiment 1 of the present invention.
Fig. 5 is a schematic view of the structure of a heat-accumulating flame-stabilizing body according to embodiment 1 of the present invention.
Fig. 6 is a schematic diagram of the current equalizer arrangement position of embodiment 1 of the present invention.
Fig. 7 is a schematic view of the structure of a heat-accumulating flame-stabilizing body according to embodiment 2 of the present invention.
Reference numerals illustrate:
1. An igniter device; 2. a cylinder; 21. an internal combustion engine passage; 22. an inner air passage; 23. an outer gas passage; 24. an outer air passage; 3. an expansion section; 4, heat storage stable combustion body; 5. an internal combustion chamber; 6. a flow equalizer; f1, a first fuel inlet; f2, a second fuel inlet; a1, an air inlet I; a2, an air inlet II.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
As shown in fig. 1 to 6, the present example provides an ammonia gas burner comprising a first fuel inlet F1, a second fuel inlet F2, a first air inlet A1, a second air inlet A2, an igniter device 1, a cylinder 2, an expansion section 3, a heat-accumulating stable combustion body 4 and an internal combustion chamber 5.
The cylinder 2 is provided with an igniter device 1 extending into the internal combustion chamber 5, and the igniter device 1 is of a conventional structure known in the art, and is connected to the cylinder 2 by a conventional connection method known to those skilled in the art, which will not be described in detail herein.
As shown in fig. 2, the fuel inlet two F2, the air inlet one A1 and the air inlet two A2 enter the cylinder body along the tangential direction.
As shown in fig. 3, the cylinder is divided into an inner fuel passage 21, an inner air passage 22, an outer fuel passage 23 and an outer air passage 24 from inside to outside, the inner fuel passage 21 and the inner air passage 22 are communicated with the inner combustion chamber, and the outer fuel passage 23 and the outer air passage 24 extend to the heat storage stable combustion body 4.
As shown in fig. 4, the flow equalizers 6 are distributed in each channel of the cylinder 2, the flow equalizers 6 are in porous plate structures, the ratio of the small hole area of the flow equalizers 6 to the flow area of the channels in each channel is in the range of 50% -70%, and the diameter of the small holes is in the range of 5mm-20 mm.
As shown in fig. 5, the heat accumulating and stabilizing body 4 is internally provided with a porous brick heat accumulator structure, and is externally provided with an external air flow passage with rotating blades, and the rotating blades generate certain rotational flow. The length of the heat accumulating flame stabilizing body 4 along the air flow direction is 200mm-500mm. The perforated brick flow area accounts for 60% -80% of the total cross-sectional area. The porous brick material is alumina, titania or their mixture.
Fig. 6 is a schematic diagram of the position of the current equalizer 6. The center position of the cylinder 2 is C, the distance from the first fuel inlet F1 to the center C is L1, the distance from the first air inlet A1 to the center C is L2, the distance from the second fuel inlet F2 to the center C is L3, the distance from the second air inlet A2 to the center C is L4, and the position of the flow equalizer 6 is at least 1/3L (L is the length of the cylinder) from the inlet position and does not exceed the position of the center C; the flow equalizer 6 is arranged on the section for the main purpose of weakening the influence of inlet non-uniformity on the flow equalizer 6, so as to ensure the uniformity of the outlet airflow of the flow equalizer, namely, maximally ensuring the speed distribution in the circumferential direction; the relationship of the arrangement positions of the porous plates is as follows: l4 is less than or equal to L3 is less than or equal to L2 is less than or equal to L1.
When the ammonia burner works, the combustion chamber is purged by air, after the purging is finished, ammonia is firstly fed into the burner by a first fuel inlet F1 and air by a first air inlet A1, the igniter device 1 ignites, the ammonia and the air are combusted in an inner combustion chamber 5, a heat-accumulating stable combustion body 4 is heated, and after stable flame exists at an outlet of the heat-accumulating stable combustion body 4, a second fuel inlet F2 and a second air inlet A2 are opened.
When the ammonia burner stops working, the first fuel inlet F1 and the second fuel inlet F2 are firstly cut off, and when the oxygen content level of the hearth outlet is equal to the oxygen content level of air, the first air inlet A1 and the second air inlet A2 are closed.
Example 2
As shown in fig. 7, the heat storage stable combustion body 4 is of a circular net structure, the inside is a heat storage body, the outside is an outer air flow passage, and swirl vanes are arranged in the outer air flow passage.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides an ammonia combustor, its characterized in that includes barrel (2), barrel (2) front portion is formed with expansion section (3), the front portion of expansion section (3) is formed with heat accumulation steady combustion body (4), be formed with in expansion section (3) with heat accumulation steady combustion body (4) corresponding interior combustion chamber (5), barrel (2) set gradually from inside to outside internal combustion channel (21), interior air channel (22), outer fuel gas channel (23), outer air channel (24), interior fuel gas channel (21), interior air channel (22) and interior combustion chamber (5) intercommunication, outer fuel gas channel (23), outer air channel (24) extend to heat accumulation steady combustion body (4), all be provided with in interior air channel (22), outer fuel gas channel (23), outer air channel (24) and flow equalizer (6), be provided with on barrel (2) and communicate fuel inlet one (F1) of internal combustion channel (21), communicate fuel inlet one (2) of outer fuel gas channel (23), two (2) and air inlet (1) of air inlet (2) of outer fuel gas channel (24), two (2) are connected The air inlet II (A2) tangentially enters the cylinder body (2), an igniter device (1) extending into the internal combustion chamber (5) is arranged in the cylinder body (2), the inside of the heat storage stable combustion body (4) is of a porous heat storage body structure, and an outer air channel (24) with rotary blades is formed outside the porous heat storage body structure; the central position of the cylinder body (2) is C, the length is L, the distance from the first fuel inlet (F1) to the center C is L1, the distance from the first air inlet (A1) to the center C is L2, the distance from the second fuel inlet (F2) to the center C is L3, the distance from the second air inlet (A2) to the center C is L4, and the position of the flow equalizer (6) is at least 1/3L away from the inlet position and does not exceed the position of the center C.
2. An ammonia burner as claimed in claim 1, wherein said flow equalizer (6) is a porous plate structure provided with a plurality of small holes.
3. An ammonia burner as claimed in claim 2, wherein said flow equalizer (6) has a small hole diameter of 5mm to 20mm.
4. An ammonia burner as claimed in claim 2, wherein the sum of the small hole cross-sectional areas of said flow equalizer (6) is between 50% and 70% of the corresponding passage cross-sectional area.
5. An ammonia burner as claimed in claim 1, wherein said heat accumulating flame stabilizing body (4) has a length of 200mm to 500mm.
6. An ammonia burner as claimed in claim 1, wherein said heat accumulating flame stabilizing body (4) is internally of a cellular brick heat accumulator structure.
7. An ammonia burner as claimed in claim 1, wherein said heat accumulating flame stabilizing body (4) has a circular network inside.
8. An ammonia burner as defined in claim 1, wherein the porous heat reservoir structure is fabricated from alumina, titania or mixtures thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187981.1A CN113834064B (en) | 2021-10-12 | 2021-10-12 | Ammonia gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187981.1A CN113834064B (en) | 2021-10-12 | 2021-10-12 | Ammonia gas burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113834064A CN113834064A (en) | 2021-12-24 |
| CN113834064B true CN113834064B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111187981.1A Active CN113834064B (en) | 2021-10-12 | 2021-10-12 | Ammonia gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113834064B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022205808B4 (en) * | 2022-06-08 | 2024-02-29 | Technische Universität Bergakademie Freiberg, Körperschaft des öffentlichen Rechts | Process with which process heat is made available for thermo-metallurgical or thermo-physical applications with at least one burner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287819A (en) * | 2011-07-01 | 2011-12-21 | 中国计量学院 | Porous medium combustor for low-caloric-value gas fuel |
| CN202546785U (en) * | 2012-04-24 | 2012-11-21 | 岳阳远东节能设备有限公司 | Low-heating value tail gas combustion engine |
| CN103615722A (en) * | 2013-12-19 | 2014-03-05 | 山东百川同创能源有限公司 | High-temperature roughed biomass gas burner |
| CN106545853A (en) * | 2016-10-13 | 2017-03-29 | 杭州碧玺环保工程有限公司 | It is a kind of that there is low NOXAnd the low calorific value coal gasification gas burner of steady combustion function |
| CN109595567A (en) * | 2018-12-11 | 2019-04-09 | 南京普兰特换热设备有限公司 | The useless ammonia incinerator of high-purity and system |
| CN111396873A (en) * | 2020-04-24 | 2020-07-10 | 华能国际电力股份有限公司 | Heat storage premixed biomass gas burner and use method thereof |
| CN212901544U (en) * | 2019-11-25 | 2021-04-06 | 松山湖材料实验室 | Low-heat-value gas combustion system |
| CN113294779A (en) * | 2021-05-28 | 2021-08-24 | 华中科技大学 | High-temperature air combustion device for ammonia gas |
-
2021
- 2021-10-12 CN CN202111187981.1A patent/CN113834064B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287819A (en) * | 2011-07-01 | 2011-12-21 | 中国计量学院 | Porous medium combustor for low-caloric-value gas fuel |
| CN202546785U (en) * | 2012-04-24 | 2012-11-21 | 岳阳远东节能设备有限公司 | Low-heating value tail gas combustion engine |
| CN103615722A (en) * | 2013-12-19 | 2014-03-05 | 山东百川同创能源有限公司 | High-temperature roughed biomass gas burner |
| CN106545853A (en) * | 2016-10-13 | 2017-03-29 | 杭州碧玺环保工程有限公司 | It is a kind of that there is low NOXAnd the low calorific value coal gasification gas burner of steady combustion function |
| CN109595567A (en) * | 2018-12-11 | 2019-04-09 | 南京普兰特换热设备有限公司 | The useless ammonia incinerator of high-purity and system |
| CN212901544U (en) * | 2019-11-25 | 2021-04-06 | 松山湖材料实验室 | Low-heat-value gas combustion system |
| CN111396873A (en) * | 2020-04-24 | 2020-07-10 | 华能国际电力股份有限公司 | Heat storage premixed biomass gas burner and use method thereof |
| CN113294779A (en) * | 2021-05-28 | 2021-08-24 | 华中科技大学 | High-temperature air combustion device for ammonia gas |
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| Publication number | Publication date |
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| CN113834064A (en) | 2021-12-24 |
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