CN101520178A - High-tenacity mixing low pollution combustor discharging acid gas - Google Patents
High-tenacity mixing low pollution combustor discharging acid gas Download PDFInfo
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- CN101520178A CN101520178A CN200910301366A CN200910301366A CN101520178A CN 101520178 A CN101520178 A CN 101520178A CN 200910301366 A CN200910301366 A CN 200910301366A CN 200910301366 A CN200910301366 A CN 200910301366A CN 101520178 A CN101520178 A CN 101520178A
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- burner
- tenacity
- sour gas
- combustion chamber
- low pollution
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Abstract
The invention relates to a high-tenacity mixing low pollution combustor discharging acid gas. The high-tenacity mixing low pollution combustor is characterized in that a conical opening for increasing the flowing rate of combustion-supporting air is arranged on the bottom of a combustion chamber, an end nozzle of a main gas burner in a central burner group is aligned to the small end of the conical opening; end air cyclones of an ammonia-containing acid gas burner and a sulphuric acid-containing gas burner in the central burner group extend into the big end of the conical opening to mix the acid gas with air in high tenacity; the central axis of the main gas burner is concentric with the central axis of the combustion chamber, and the central axes of the ammonia-containing acid gas burner and the sulphuric acid-containing gas burner positioned on the periphery of the main gas burner are concentric with the central axe of the main gas burner. The high tenacity mixing low pollution combustor discharging acid gas is capable of combusting various gases, has a wide regulation range, and utilizes combustion-supporting air at the normal temperature to guarantee the low temperature of the furnace wall and reduce the temperature of a fireproof liner of the combustion chamber under the cooling action of the combustion-supporting air, so that the invention can be safely and reliably operated at the working temperature lower than the allowed working temperature for a long time.
Description
Technical field
The present invention relates to the sour gas burner, thereby referring in particular to this burner realizes that high-tenacity mixes and reaches abundant burning and be implemented in some specific high-temperature areas and reach high-strength removal ability to impurity in the sour gas, and owing to increased the mixing ability of high-temperature furnace gas and the time of staying in stove, thereby guaranteed the high-purity quality of sulphur (or sulfuric acid) product, in this process, realized the low high-tenacity mixing low pollution combustor discharging acid gas that pollutes fume emission simultaneously.
Background technology
Enter into 90 years last century, the final sulfur plant of oil refining, Chemical Manufacture is admitted to impurity such as ammonia in the sour gas, benzene class gas, carburetted hydrogen gas sharply to be increased, and oxygen-enriched combusting is more and more general, and the operating pressure of reacting furnace is also constantly improving.Though the general sour gas burner in past is the energy operate as normal under excess oxygen, but hindered the raising of fire box temperature, remove ammonia, benzene gas class impurity is indifferent, and impurity such as Ammonia, benzene class enter into the purity that upstream device has a strong impact on product, quality can not be guaranteed effectively.And the utility model technology, solved this kind difficult problem preferably, it not only can be in the oxygen-enriched combusting condition operation of low concentration, and can adapt to the oxygen enrichment of high concentration even reach 100% pure oxygen burning, and improved the operating pressure of burner hearth, made its efficient higher, also strengthened the ability of removing the sour gas objectionable impurities simultaneously, simultaneously also improve operating reliability, and can realize low pollution emission.
Summary of the invention
The objective of the invention is to be improved, innovate, a kind of high-tenacity mixing low pollution combustor discharging acid gas is provided at shortcoming that exists in the background technology and problem.
Technical scheme of the present invention is a kind of burner that comprises following structure of structure:
In the burner hearth end one high temperature resistant combustion chamber is set, a tapered opening is established in the bottom of combustion chamber;
Tapered opening one side of combustion chamber is provided with center burner group, and the center burner by main fuel burner nozzle, contain ammonia sour gas burner and sulfur-bearing sour gas burner is formed;
Described combustion chamber one side also is provided with spark wheel, the inspection of ultraviolet fire and flame-observing hole pipe;
Burner shell one side is provided with the combustion air inlet, air cyclone is set in the housing, contains propylhomoserin cyclonic current device and the acid cyclonic current device of sulfur-bearing.
Process structure method of the present invention:
A tapered opening that is used to increase the combustion air flow velocity is set in the bottom of combustion chamber, and the end sprayer of the main fuel burner nozzle in the burner group of center is concordant with the small end of tapered opening;
The end air cyclone that contains ammonia sour gas burner and sulfur-bearing sour gas burner in the burner group of center stretches in the big end of tapered opening, and sour gas is mixed with the air high-tenacity;
The central axis of described main fuel burner nozzle is concentric with the central axis of combustion chamber, and it is concentric with the central shaft of main fuel burner nozzle to be positioned at the central axis that contains ammonia sour gas burner and sulfur-bearing sour gas burner of main fuel burner nozzle periphery.
The present invention has following advantage and beneficial effect:
The present invention can burn various fuel gas, as natural gas, Device in Gas, contain ammonia and do not contain the sour gas of ammonia.The adjustable range of burner is big, can normally move at design load 30%-120%, and can obtain stable combustion flame at big adjustable range internal combustion low heat value or nonflammable fuel.Various fuel mix powerful with combustion air, the efficiency of combustion height, it is strong to remove ammonia, benzene class, carburetted hydrogen gas impurity ability, this burner uses the normal temperature combustion air, under its cooling effect, can guarantee that furnace wall temperature is low and reduce combustion chamber refractory liner temperature, make it be in operation safely and reliably under the operating temperature that is lower than permission for a long time, equipment life is long.
Coefficient of excess air of the present invention is low, and the outlet oxygen content of smoke gas is only at 3-5%, and NOX concentration only is 70-130mg/Nm
3(mean value 100mg/Nm
3) between.
The present invention can will contain ammonia (or not containing ammonia), the benzene class, the sour gas of impurity such as hydrocarbon class gas produces rotation at a high speed by a big cyclone of eddy flow coefficient, simultaneously, the combustion air of normal temperature produces rotation at a high speed by the big cyclone of another eddy flow coefficient, two strands of air-flows that rotate at a high speed produce powerful mixing, thereby guarantee that the sour gas that contains these impurity contacts with the oxygen in the combustion air is large-area, make concentration field, it is even fully that the temperature field is tending towards, realized that spraying into the combustion chamber by three concentric burner shower nozzles of burner burns fully, make fire box temperature reach 1250-1350 ℃, thereby guaranteed that all kinds of impurity in the sour gas decompose and burning under this temperature fully, the clearance of its impurity reaches more than 99.5%.
Description of drawings
Accompanying drawing is a structural representation of the present invention
The specific embodiment
By accompanying drawing as can be known, the present invention includes:
In burner hearth 17 ends one high temperature resistant combustion chamber 16 is set, a tapered opening 15 is established in the bottom of combustion chamber 16;
Tapered opening 15 1 sides of combustion chamber 16 are provided with center burner group, and the center burner by main fuel burner nozzle A, contain ammonia sour gas burner B and sulfur-bearing sour gas burner C forms;
Described combustion chamber 16 1 sides also are provided with spark wheel D, ultraviolet fire inspection E and flame-observing hole pipe F;
Burner shell one side is provided with combustion air inlet 11, air cyclone 12 is set in the housing, contains propylhomoserin cyclonic current device 13 and the acid cyclonic current device 14 of sulfur-bearing.
Process structure method of the present invention:
16 bottom is provided with a tapered opening 15 that is used to increase the combustion air flow velocity in the combustion chamber, and the end sprayer of the main fuel burner nozzle A in the burner group of center is concordant with the small end of tapered opening 15;
The end air cyclone 12,13 that contains ammonia sour gas burner B and sulfur-bearing sour gas burner C in the burner group of center stretches in the big end of tapered opening 15, and sour gas is mixed with the air high-tenacity;
The central axis of described main fuel burner nozzle A is concentric with the central axis of combustion chamber 16, and it is concentric with the central shaft of main fuel burner nozzle to be positioned at the central axis that contains ammonia sour gas burner 13 and sulfur-bearing sour gas burner C of main fuel burner nozzle A periphery.
A fuel gas inlet 1 is established in the end of main fuel burner nozzle A of the present invention, and a side of fuel gas inlet 1 is provided with and purges mouth 6.Describedly contain the outside that ammonia sour gas burner B is arranged on main fuel burner nozzle A, rearward end one side setting contains ammonia sour gas inlet 2, and the leading section setting contains propylhomoserin cyclonic current device 13.Described sulfur-bearing sour gas burner C is arranged on the outside that contains ammonia sour gas burner, and rearward end one side is provided with sulfur-bearing sour gas inlet 7, and leading section is provided with the acid cyclonic current device 14 of sulfur-bearing.Described spark wheel D rearward end is provided with ignitor inlet 5, and both sides are provided with igniting fuel gas inlet 3 and igniting air intake 4.Described ultraviolet fire inspection E rearward end is provided with ultraviolet fire inspection mouth 8 and instrument cooling air port 9.Described flame-observing hole pipe F rearward end is provided with sees burner 10 and instrument cooling air port 9.
The basic operation logic of the present invention is as follows:
1) the normal temperature combustion air enters burner by combustion air inlet 11, and its air capacity size based on fuel and sour gas flow are adjusted the aperture of air supply line adjusted baffle plate (not marking) and supplied with;
2) normal temperature air burner shell form along the circular heat insulation air layer of shell inwall, guarantee that casing surface temperature is in the normal temperature state; This combustion air produces eddy flow by the deflector of one group of air cyclone 12 of being made up of blade, is flowed into combustion chamber 16 by heating resisting metal bell 15 by the speed-raising back immediately.
3) igniter fuel gas enters the combustion chamber by burning torch D and mixes with combustion air, igniting back burning torch burns for a long time and main fuel burner nozzle A is implemented two-stage ignition, main combustion gas enters the combustion chamber by main fuel burner nozzle A and mixes with combustion air, after main fuel burner nozzle A caught fire, combustion chamber 16, burner hearth 17 heated up rapidly.
4) when combustion chamber 16, when burner hearth 17 temperature reach more than 1000 ℃, sour gas burner B, C feed sour gas and burn, after reaching 1250-1350 ℃, temperature stops burning main fuel burner nozzle, keep this temperature combustion (when temperature is not enough, main fuel burner nozzle afterburning guarantees fully to remove under this temperature impurity).
5) since the high speed rotary combustion-supporting air by bell 15 speed-raising after, under centrifugal action, the part air is guided the combustion chamber lining inwall into, forming the thick air film of 25-30mm cools off the lining inwall, simultaneously in the combustion chamber, be formed centrally a low-pressure area, thereby make the part furnace gas be drawn back the combustion chamber.
6) furnace gas of Hui Liuing and combustion air interact with sour gas and 16 fully mix in the combustion chamber, thus highly stable at the combustion flame of combustion chamber, and quickening burning velocity, thus make the contraction in length of flame.
Therefore 7) to contain ammonia, benzene, carburetted hydrogen gas impurity very competent because ignition temperature between 1250-1350 ℃, is impelled, also because this has been avoided the reaction temperature district (between 1400-1600 ℃) of nitrogen and oxygen, so NO in the discharged flue gas after burning
XConcentration is extremely low, has only 100mg/Nm
3About.
Embodiment of the present invention only is the description that preferred implementation of the present invention is carried out; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design philosophy of the present invention; engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (8)
- [claim 1] a kind of high-tenacity mixing low pollution combustor discharging acid gas is characterized in that comprising:In burner hearth (17) end one high temperature resistant combustion chamber (16) is set, a tapered opening (15) is established in the bottom of combustion chamber (16);Tapered opening (15) one sides of combustion chamber (16) are provided with center burner group, and the center burner by main fuel burner nozzle (A), contain ammonia sour gas burner (B) and sulfur-bearing sour gas burner (C) is formed;Described combustion chamber (16) one sides also are provided with spark wheel (D), the inspection of ultraviolet fire (E) and flame-observing hole pipe (F);Burner shell one side is provided with combustion air inlet (11), air cyclone (12) is set in the housing, contains propylhomoserin cyclonic current device (13) and the acid cyclonic current device (14) of sulfur-bearing.
- The process structure method of [claim 2] high-tenacity mixing low pollution combustor discharging acid gas according to claim 1 is characterized in that:The bottom of (16) is provided with a tapered opening (15) that is used to increase the combustion air flow velocity in the combustion chamber, and the end sprayer of the main fuel burner nozzle (A) in the burner group of center is concordant with the small end of tapered opening (15);The end air cyclone (12,13) that contains ammonia sour gas burner (B) and sulfur-bearing sour gas burner (C) in the burner group of center stretches in the big end of tapered opening (15), and sour gas is mixed with the air high-tenacity;The central axis of described main fuel burner nozzle (A) is concentric with the central axis of combustion chamber (16), and it is concentric with the central shaft of main fuel burner nozzle to be positioned at the peripheral central axis that contains ammonia sour gas burner (13) and sulfur-bearing sour gas burner (C) of main fuel burner nozzle (A).
- [claim 3] high-tenacity mixing low pollution combustor discharging acid gas according to claim 1 is characterized in that a fuel gas inlet (1) is established in the end of described main fuel burner nozzle (A), and a side of fuel gas inlet (1) is provided with and purges mouthful (6).
- [claim 4] high-tenacity mixing low pollution combustor discharging acid gas according to claim 1, it is characterized in that the described outside that ammonia sour gas burner (B) is arranged on main fuel burner nozzle (A) that contains, rearward end one side setting contains ammonia sour gas inlet (2), and the leading section setting contains propylhomoserin cyclonic current device (13).
- [claim 5] high-tenacity mixing low pollution combustor discharging acid gas according to claim 1, it is characterized in that described sulfur-bearing sour gas burner (C) is arranged on the outside that contains ammonia sour gas burner, rearward end one side is provided with sulfur-bearing sour gas inlet (7), and leading section is provided with the acid cyclonic current device (14) of sulfur-bearing.
- [claim 6] high-tenacity mixing low pollution combustor discharging acid gas according to claim 1, it is characterized in that described spark wheel (D) rearward end is provided with ignitor inlet (5), both sides are provided with igniting fuel gas inlet (3) and igniting air intake (4).
- [claim 7] high-tenacity mixing low pollution combustor discharging acid gas according to claim 1 is characterized in that described ultraviolet fire inspection (E) rearward end is provided with the inspection of ultraviolet fire mouthful (8) and instrument cooling air port (9).
- [claim 8] high-tenacity mixing low pollution combustor discharging acid gas according to claim 1 is characterized in that described flame-observing hole pipe (F) rearward end is provided with sight burner (10) and instrument cooling air port (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910301366A CN101520178A (en) | 2009-04-07 | 2009-04-07 | High-tenacity mixing low pollution combustor discharging acid gas |
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|---|---|---|---|
| CN200910301366A CN101520178A (en) | 2009-04-07 | 2009-04-07 | High-tenacity mixing low pollution combustor discharging acid gas |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261649A (en) * | 2010-10-22 | 2011-11-30 | 魏伯卿 | Temperature-gathering type combustion furnace self-preheating oxygen enriched burner with oxygen enriched nozzle |
| CN102879030A (en) * | 2011-07-13 | 2013-01-16 | 中国航空工业集团公司沈阳发动机设计研究所 | Flame observing device for gas turbine combustion chamber |
| CN102997235A (en) * | 2012-12-19 | 2013-03-27 | 延吉恒燃节能科技开发有限公司 | Siphoning type alcohol-based liquid fuel kiln burner |
| CN107676798A (en) * | 2017-10-16 | 2018-02-09 | 岳阳钟鼎热工电磁科技有限公司 | Ammonia-contaminated gas incinerator and the method using its burning ammonia-contaminated gas |
| JP2018138863A (en) * | 2017-02-24 | 2018-09-06 | 株式会社Ihi | Combustor and boiler |
| CN110325794A (en) * | 2017-03-27 | 2019-10-11 | 杰富意钢铁株式会社 | Heating device and heating means |
| CN113864775A (en) * | 2021-10-11 | 2021-12-31 | 清华大学 | Ammonia-doped multi-phase fuel grading cyclone burner |
-
2009
- 2009-04-07 CN CN200910301366A patent/CN101520178A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261649A (en) * | 2010-10-22 | 2011-11-30 | 魏伯卿 | Temperature-gathering type combustion furnace self-preheating oxygen enriched burner with oxygen enriched nozzle |
| CN102879030A (en) * | 2011-07-13 | 2013-01-16 | 中国航空工业集团公司沈阳发动机设计研究所 | Flame observing device for gas turbine combustion chamber |
| CN102997235A (en) * | 2012-12-19 | 2013-03-27 | 延吉恒燃节能科技开发有限公司 | Siphoning type alcohol-based liquid fuel kiln burner |
| CN102997235B (en) * | 2012-12-19 | 2015-01-07 | 延吉恒燃节能科技开发有限公司 | Siphoning type alcohol-based liquid fuel kiln burner |
| JP2018138863A (en) * | 2017-02-24 | 2018-09-06 | 株式会社Ihi | Combustor and boiler |
| CN110325794A (en) * | 2017-03-27 | 2019-10-11 | 杰富意钢铁株式会社 | Heating device and heating means |
| CN107676798A (en) * | 2017-10-16 | 2018-02-09 | 岳阳钟鼎热工电磁科技有限公司 | Ammonia-contaminated gas incinerator and the method using its burning ammonia-contaminated gas |
| CN107676798B (en) * | 2017-10-16 | 2019-03-15 | 岳阳钟鼎热工电磁科技有限公司 | Ammonia-contaminated gas incinerator and the method for burning ammonia-contaminated gas using it |
| CN113864775A (en) * | 2021-10-11 | 2021-12-31 | 清华大学 | Ammonia-doped multi-phase fuel grading cyclone burner |
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Open date: 20090902 |