CN111878817B - A device for spraying a mixture of hydrogen and oxygen and BDO tar - Google Patents
A device for spraying a mixture of hydrogen and oxygen and BDO tar Download PDFInfo
- Publication number
- CN111878817B CN111878817B CN202010753096.4A CN202010753096A CN111878817B CN 111878817 B CN111878817 B CN 111878817B CN 202010753096 A CN202010753096 A CN 202010753096A CN 111878817 B CN111878817 B CN 111878817B
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- nozzle
- oxyhydrogen
- bdo tar
- atomized
- bdo
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2204/00—Burners adapted for simultaneous or alternative combustion having more than one fuel supply
- F23D2204/10—Burners adapted for simultaneous or alternative combustion having more than one fuel supply gaseous and liquid fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a mixed spraying device of oxyhydrogen and BDO tar, which comprises an oxyhydrogen nozzle at the center position, an atomized BDO tar nozzle and an oxyhydrogen nozzle at the outer side position, wherein the oxyhydrogen nozzle at the center position, the atomized BDO tar nozzle and the oxyhydrogen nozzle at the outer side position form a whole in a concentric sleeve mode. The mixed spraying device for the oxyhydrogen gas and the BDO tar sprays the oxyhydrogen gas through the concentric sleeve pipes at the center and the periphery of the fuel, mixes the fuel with the oxyhydrogen gas, can improve the ignition performance of the BDO tar, heavy oil and other fuels by utilizing the combustion characteristic of the oxyhydrogen gas, improves the burnout rate, fully burns with combustion air, improves the heat utilization rate and reduces the emission of pollutants.
Description
Technical Field
The invention relates to the technical field of industrially heated burners, in particular to a mixed spraying device for oxyhydrogen and BDO tar.
Background
BDO tar is a fuel based on alcohols, which exists in liquid or solid form. BDO tar and light oil, heavy oil, natural gas and liquefied gas have obvious economic comparability compared with the same heat, and the advantages of BDO tar fuel have attracted attention in the industry, but the technical difficulty of using the BDO tar as fuel is great, and technical research and practice are required for forming fuel comparable with that of diesel oil and natural gas.
At present, a burner mainly using liquid fuel needs to be mixed with oxidant for combustion after forming tiny particles through atomization, so as to obtain the effect of uniform combustion, and the liquid fuel used on an industrial furnace mainly comprises light oil, heavy oil, coal water slurry and the like, and also uses alcohol oil with low viscosity as an example of the liquid fuel. In the prior art, the light oil is generally atomized by the oil pressure, the heavy oil is generally atomized by compressed air or steam, and then mixed with combustion air to enter a furnace for combustion, so that the heating requirement is met. Because the smoke emission generated during combustion does not meet the current emission standard of the industrial furnace due to the limitation of fuel conditions, less liquid fuel is considered to be adopted during reconstruction or new construction of the industrial furnace. For example, heavy oils with high calorific value and low price, BDO tar, etc. are rarely effectively used.
Disclosure of Invention
The invention mainly solves the technical problem of providing the mixed blowout device for the oxyhydrogen gas and the BDO tar, which can improve the ignition performance of fuels such as BDO tar, heavy oil and the like by utilizing the combustion characteristic of the oxyhydrogen gas, improve the burnout rate, enable the BDO tar to replace the fuels such as light oil, natural gas, liquefied gas and the like, reduce the fuel cost, enable water vapor after the oxyhydrogen gas is combusted to catalyze carbon particles, reduce carbon black in flue gas, reduce pollutant emission and lighten the environmental protection pressure.
In order to solve the technical problems, the technical scheme is that the mixed spraying device for the oxyhydrogen gas and BDO tar comprises an oxyhydrogen gas nozzle at the center position, an atomized BDO tar nozzle and an oxyhydrogen gas nozzle at the outer side position, wherein the oxyhydrogen gas nozzle at the center position, the atomized BDO tar nozzle and the oxyhydrogen gas nozzle at the outer side position are integrally formed in a concentric sleeve mode.
In a preferred embodiment of the present invention, the oxyhydrogen gas nozzle at the center position, the atomized BDO tar nozzle and the oxyhydrogen gas nozzle at the outer position are sequentially sleeved, the oxyhydrogen gas nozzle at the center position is located at the center axis, and the oxyhydrogen gas nozzle at the outer position is located at the outermost side.
In a preferred embodiment of the present invention, the nozzle of the oxyhydrogen nozzle at the center position, the nozzle of the oxyhydrogen nozzle at the outer position and the nozzle of the atomized BDO tar nozzle are located at the same end, and the injection route positions of the three nozzles are set in parallel or in a cross relation.
In a preferred embodiment of the present invention, the nozzle of the oxyhydrogen gas nozzle at the center is a single-hole or porous structure.
In a preferred embodiment of the present invention, the atomized BDO tar nozzle is a compressed air atomized BDO tar nozzle or a steam atomized BDO tar nozzle.
In a preferred embodiment of the present invention, the atomized BDO tar nozzle is an internal mixed atomized spray structure or an external mixed atomized spray structure.
In a preferred embodiment of the present invention, the atomized BDO tar nozzle is an internal mixing atomization spraying structure, and includes a BDO tar channel, an atomized gas compressed air channel and an atomized mixing chamber, where the BDO tar channel and the atomized gas compressed air channel are respectively communicated with the atomized mixing chamber, and the atomized mixing chamber is communicated with the nozzle.
In a preferred embodiment of the invention, the oxyhydrogen gas nozzle at the central position and the atomized BDO tar nozzle are integrated, are pressed by a pressing sleeve, and move front and back positions by an adjusting device.
In a preferred embodiment of the present invention, the adjusting device includes a left and right threaded joint, one end of the left and right threaded joint is connected to an integral structure of the oxyhydrogen gas nozzle and the atomized BDO tar nozzle at the center, and the other end of the left and right threaded joint is connected to the compression sleeve.
In a preferred embodiment of the present invention, the central oxyhydrogen gas channel and the outer oxyhydrogen gas channels are independently separated from the other medium channels.
The mixed blowout device for the oxyhydrogen gas and the BDO tar has the advantages that the oxyhydrogen gas is sprayed into the center and the periphery of the fuel through the concentric sleeve, the fuel is mixed with the oxyhydrogen gas, the burning performance of the BDO tar, heavy oil and other fuels can be improved by utilizing the burning characteristic of the oxyhydrogen gas, the burnout rate is improved, the combustion with combustion air is sufficient, the heat utilization rate is improved, and the pollutant emission is reduced.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of a mixed oxyfuel and BDO tar injector of the present invention;
FIG. 2 is an internal structural view of the oxyhydrogen gas and BDO tar mixing and spraying device shown in FIG. 1;
fig. 3 is a detailed drawing of the internal structure of fig. 2.
The components in the drawings are marked as follows:
1. a centrally located oxyhydrogen gas nozzle; 2, an atomized BDO tar nozzle, 3, a movable adjusting device, 4, an oxyhydrogen nozzle at the outer side position;
the internal components in the figures are marked as follows:
1-1 a central oxyhydrogen gas interface;
1-2 a central oxyhydrogen gas channel;
1-3 center oxyhydrogen gas spray holes;
2-1 BDO tar interfaces;
2-2 air compression interfaces;
2-3 BDO tar channels;
2-4 atomizing gas channels;
2-5 BDO tar nozzles;
2-6 atomizing gas nozzles;
2-7 atomizing gas sealing grooves;
2-8 emulsification mixing chamber;
2-9 emulsified mixed liquid spray holes;
3-1 sealing rings;
3-2 compacting the sleeve;
3-3 left and right threaded joints;
3-4 guide rods;
4-1 outside oxyhydrogen gas interface;
4-2 outside oxyhydrogen gas channel;
4-3 outside oxyhydrogen gas jet orifices.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1, 2 and 3, an embodiment of the present invention includes:
A mixed spraying device for oxyhydrogen and BDO tar comprises an oxyhydrogen nozzle 1 at the center, an atomized BDO tar nozzle 2, a movable adjusting device 3 and an oxyhydrogen nozzle 4 at the outer side, wherein the oxyhydrogen nozzle 1 at the center, the atomized BDO tar nozzle 2 and the oxyhydrogen nozzle at the outer side are integrated in a concentric sleeve mode. The oxyhydrogen gas nozzle 1 at the center in this embodiment is disposed at the coaxial center of the mixed and sprayed device of oxyhydrogen gas and BDO tar, and passes through the atomized BDO tar nozzle 2. The movable adjusting device 3 can move the oxyhydrogen nozzle 1 at the center and the BDO tar nozzle 2 atomized by compressed air back and forth through the rotary left and right screwed joints 3-1.
The oxyhydrogen gas nozzle 1 at the central position comprises a central oxyhydrogen gas interface 1-1, a central oxyhydrogen gas channel 1-2 and a central oxyhydrogen gas spray hole 1-3, wherein the central oxyhydrogen gas interface 1-1, the central oxyhydrogen gas channel 1-2 and the central oxyhydrogen gas spray hole 1-3 are closed channels, the central oxyhydrogen gas channel 1-2 penetrates through a BDO tar nozzle 2 atomized by compressed air, the central oxyhydrogen gas spray hole 1-3 sprays oxyhydrogen gas, and in the embodiment, the central oxyhydrogen gas spray hole 1-3 is made into a single hole.
In this embodiment, the atomized BDO tar nozzle 2 is a compressed air atomized BDO tar nozzle 2, and includes a BDO tar interface 2-1, a BDO tar channel 2-3, a BDO tar nozzle 2-5, a compressed air interface 2-2, a compressed air channel 2-4, a compressed air nozzle 2-6, an atomized air seal groove 2-7, an emulsified mixing chamber 2-8, and an emulsified mixture nozzle 2-9. BDO tar interface 2-1, BDO tar channel 2-3 and BDO tar spout 2-5 form BDO tar channel, BDO tar spout 2-5 intercommunication emulsion mixing chamber 2-8. The compressed air interface 2-2, the compressed air channel 2-4 and the compressed air nozzle 2-6 form a compressed air channel, and the compressed air nozzle 2-6 is communicated with the emulsification mixing chamber 2-8. The method comprises the specific processes that BDO tar enters an emulsification mixing chamber 2-8 through a BDO tar interface 2-1, a BDO tar channel 2-3 and a BDO tar nozzle 2-5, compressed air enters the emulsification mixing chamber 2-8 through a compressed air interface 2-2, a compressed air channel 2-4 and a compressed air nozzle 2-6, and a sealing labyrinth is formed at the front end of the compressed air channel by an atomizing gas sealing groove 2-7. The BDO tar and the compressed air form emulsion mixed liquid in the emulsion mixing chamber 2-8, and finally the emulsion mixed liquid is sprayed out from the emulsion mixed liquid spray hole 2-9. Optionally, the emulsified mixture spray holes 2-9 are made into coaxial spreading angle equally-divided holes. In this embodiment, an atomized BDO tar nozzle 2 of an internal mixing atomization spraying structure is shown, and the atomized BDO tar nozzle 2 may also adopt an external mixing atomization spraying structure, which is relatively simple and is not illustrated one by one. Likewise, the atomized BDO tar nozzle 2 may be a compressed air atomized BDO tar nozzle or a steam atomized BDO tar nozzle.
The oxyhydrogen gas nozzle 4 at the outer side comprises an outer oxyhydrogen gas interface 4-1, an outer oxyhydrogen gas channel 4-2 and an outer oxyhydrogen gas spray hole 4-3, wherein the outer oxyhydrogen gas interface 4-1 and the outer oxyhydrogen gas channel 4-2 form a closed channel, and oxyhydrogen gas is sprayed out through the outer oxyhydrogen gas spray hole 4-3. Optionally, the outer oxyhydrogen gas spray holes 4-3 are made into coaxial shrinkage angle equal division holes and form coaxial crossing angles with the emulsified mixed liquid spray holes 2-9.
Referring to fig. 1, the overall device for spraying and mixing oxyhydrogen and BDO tar in this embodiment is in a cylindrical structure, the nozzle of the oxyhydrogen nozzle at the center (center oxyhydrogen nozzle orifice 1-3), the nozzle of the oxyhydrogen nozzle at the outer side (outer oxyhydrogen nozzle orifice 4-3) and the nozzle of the atomized BDO tar nozzle (emulsion mixture nozzle orifice 2-9) are located at the front end, and the rear end is provided with a center oxyhydrogen interface 1-1, a BDO tar interface 2-1, a compressed air interface 2-2 and an outer oxyhydrogen interface 4-1, in this embodiment, the center oxyhydrogen interface 1-1 is located at the rear end face, and the BDO tar interface 2-1, the compressed air interface 2-2 and the outer oxyhydrogen interface 4-1 are located at the side face in sequence. The movement adjusting device 3 is arranged between the compressed air interface 2-2 and the outside oxyhydrogen gas interface 4-1.
As shown in fig. 2 and 3, the movement adjusting device 3 includes a sealing ring 3-1, a pressing sleeve 3-2, left and right screwed joints 3-3, and a guide rod 3-4. The compacting sleeve 3-2 is sleeved outside the atomized BDO tar nozzle 2. The sealing ring 3-1 is matched and sealed with the oxyhydrogen gas nozzle 4 at the outer side position and the compression sleeve 3-2, one end of the left and right screwed joint 3-3 is connected with the compression sleeve 3-2, the other end of the left and right screwed joint 3-3 is connected with the atomized BDO tar nozzle 2, one end of the guide rod 3-4 is connected with the BDO tar nozzle 2 atomized by compressed air, and the other end of the guide rod 3-4 is connected with the oxyhydrogen gas nozzle 4 at the outer side position. The rotary left and right screwed joints 3-3 can retract or extend the distance between the BDO tar nozzle 2 atomized by compressed air and the oxyhydrogen nozzle 4 at the outer position during adjustment.
The mixed spraying device for the oxyhydrogen gas and the BDO tar can enable the oxyhydrogen gas, the BDO tar, heavy oil and other fuels to be mixed and sprayed in a grading manner, and then the mixed mixture is mixed with external combustion air to form the burner. By the mode, the ignition performance of BDO tar, heavy oil and other fuels can be improved by utilizing the characteristics of oxyhydrogen gas, and the burnout rate is improved. The fuel with high heat value and low price such as BDO tar, heavy oil and the like is fully utilized, the fuel cost is saved, the water vapor after the oxyhydrogen is combusted can catalyze carbon particles, carbon black in the flue gas can be reduced, pollutant emission is reduced, and environmental protection pressure is lightened.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (9)
1. The mixed spraying device for the oxyhydrogen gas and BDO tar is characterized by comprising an oxyhydrogen gas nozzle at the center position, an atomized BDO tar nozzle and an oxyhydrogen gas nozzle at the outer side, wherein the oxyhydrogen gas nozzle at the center position, the atomized BDO tar nozzle and the oxyhydrogen gas nozzle at the outer side form a whole in a concentric sleeve mode;
the oxyhydrogen gas nozzle at the central position and the atomized BDO tar nozzle are of an integrated structure, are pressed by the pressing sleeve, and move front and back through the adjusting device.
2. The device for mixing and spraying oxyhydrogen and BDO tar according to claim 1, wherein the oxyhydrogen nozzle at the center, the atomized BDO tar nozzle and the oxyhydrogen nozzle at the outer position are sequentially sleeved, the oxyhydrogen nozzle at the center is located at the center axis, and the oxyhydrogen nozzle at the outer position is located at the outermost side.
3. The device for mixed injection of oxyhydrogen and BDO tar according to claim 1, wherein the nozzle of the oxyhydrogen nozzle at the center position, the nozzle of the oxyhydrogen nozzle at the outer position, and the nozzle of the atomized BDO tar nozzle are positioned at the same end, and the injection route of the three nozzles is set in a parallel or intersecting relationship.
4. The oxyhydrogen and BDO tar mixed jet device of claim 1, wherein the jet of the center position oxyhydrogen nozzle is a single hole or a porous structure.
5. The oxyhydrogen and BDO tar mixing and dispensing device of claim 1, wherein said atomized BDO tar nozzle is a compressed air atomized BDO tar nozzle or a steam atomized BDO tar nozzle.
6. The oxyhydrogen and BDO tar mixed spraying device according to claim 1, wherein the atomized BDO tar nozzle is an internal mixed atomization spraying structure or an external mixed atomization spraying structure.
7. The oxyhydrogen and BDO tar mixing and jetting device of claim 6, wherein said atomized BDO tar nozzle is an internal mixing atomization and jetting structure, including a BDO tar channel, an atomizing gas compressed air channel and an atomizing mixing chamber, said BDO tar channel and said atomizing gas compressed air channel are respectively communicated with said atomizing mixing chamber, said atomizing mixing chamber is communicated with a nozzle.
8. The device for mixing and spraying oxyhydrogen and BDO tar according to claim 1, wherein the adjusting device comprises a left and a right screwed joint, one ends of the left and the right screwed joints are connected with an integral structure of the oxyhydrogen nozzle and the atomized BDO tar nozzle at the central position, and the other ends of the left and the right screwed joints are connected with the pressing sleeve.
9. The oxy-and BDO tar mixing injection device of claim 1, wherein said center oxy-hydrogen channel and said outer oxy-hydrogen channels are independently separated from other media channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753096.4A CN111878817B (en) | 2020-07-30 | 2020-07-30 | A device for spraying a mixture of hydrogen and oxygen and BDO tar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753096.4A CN111878817B (en) | 2020-07-30 | 2020-07-30 | A device for spraying a mixture of hydrogen and oxygen and BDO tar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111878817A CN111878817A (en) | 2020-11-03 |
| CN111878817B true CN111878817B (en) | 2025-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010753096.4A Active CN111878817B (en) | 2020-07-30 | 2020-07-30 | A device for spraying a mixture of hydrogen and oxygen and BDO tar |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594682B (en) * | 2020-12-25 | 2025-04-01 | 新疆浦盛环保科技有限公司 | Fuel nozzle assembly and combustion device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971134A (en) * | 2006-12-05 | 2007-05-30 | 白玉林 | Liquid fuel and oxyhydrogen gas mixed-combustion single-injection device |
| CN212805643U (en) * | 2020-07-30 | 2021-03-26 | 上海甘吉环保科技有限公司 | Oxyhydrogen gas and BDO tar mix jetter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786447Y (en) * | 2005-04-14 | 2006-06-07 | 成都市科达自动化控制工程有限公司 | Burner adjuster |
| CN2788030Y (en) * | 2005-04-15 | 2006-06-14 | 中国兵器工业第五二研究所 | Burner with compound fuel |
| RU2509955C2 (en) * | 2008-09-22 | 2014-03-20 | Дарселл КАРРИНГТЕН | Rear casing for air flow control |
| CN107084388B (en) * | 2017-04-24 | 2023-07-14 | 东莞市兴伟达节能环保科技有限公司 | A mixed atomization cracking burner and its mixed combustion method |
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2020
- 2020-07-30 CN CN202010753096.4A patent/CN111878817B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971134A (en) * | 2006-12-05 | 2007-05-30 | 白玉林 | Liquid fuel and oxyhydrogen gas mixed-combustion single-injection device |
| CN212805643U (en) * | 2020-07-30 | 2021-03-26 | 上海甘吉环保科技有限公司 | Oxyhydrogen gas and BDO tar mix jetter |
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| CN111878817A (en) | 2020-11-03 |
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