CN106765096B - Gasification furnace guiding burner - Google Patents
Gasification furnace guiding burner Download PDFInfo
- Publication number
- CN106765096B CN106765096B CN201611269681.7A CN201611269681A CN106765096B CN 106765096 B CN106765096 B CN 106765096B CN 201611269681 A CN201611269681 A CN 201611269681A CN 106765096 B CN106765096 B CN 106765096B
- Authority
- CN
- China
- Prior art keywords
- air
- gas
- guide pipe
- guiding
- gasifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002309 gasification Methods 0.000 title abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 81
- 239000002737 fuel gas Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- 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
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
Abstract
The invention discloses a gasification furnace guiding burner, which comprises: an air guide pipe having an air inlet for inputting air; a gas guide pipe provided in the air guide pipe and having a gas inlet for inputting gas; a gas nozzle fixed to an outlet end of the gas guide pipe for injecting gas into the air guide pipe so as to be mixed with air in the air guide pipe; and the ignition end part of the ignition rod is fixed on the fuel gas guide pipe and is used for igniting the mixed gas of the air and the fuel gas. The gasifier guiding burner also comprises a guiding device arranged in the air guiding pipe, and the gas nozzle is positioned at the inner side of the guiding device; the guiding device is used for guiding the air in the air guiding pipe to the outlet of the gas nozzle, so that the air and the gas sprayed from the gas nozzle are fully mixed before reaching the ignition end of the ignition rod, and the gasification furnace guiding burner can be more easily ignited.
Description
Technical Field
The invention relates to a gasifier guiding burner, in particular to a fixed bed slag gasifier guiding burner.
Background
In the prior art, as shown in fig. 1 and 2, a gasification furnace pilot burner generally includes an air pilot pipe 100, a gas pilot pipe 200, a gas shower 300, and an ignition rod 400. The air guide pipe 100 has an air inlet 101 for inputting air. A gas guide pipe 200 is provided in the air guide pipe 100, and has a gas inlet 201 for inputting gas. A gas shower 300 is fixed to an outlet end of the gas guide pipe 200 for injecting gas into the air guide pipe 100 so as to be mixed with air in the air guide pipe 100. An ignition rod 400 is provided in the air guide pipe 100 for igniting a mixed gas of the air and the gas.
As shown in fig. 1 and 2, in the prior art, the ignition of the fixed bed slag gasifier ignites the mixture of air and gas by means of an electric spark struck by an ignition rod 400 fixed to the fuel gas introduction pipe 200. However, in the prior art, as clearly shown in fig. 2, the air in the air guide pipe 100 and the gas sprayed from the gas spray 300 flow concentrically and parallel to each other, resulting in poor mixing effect between the air in the air guide pipe 100 and the gas sprayed from the gas spray 300, which results in that the mixed gas of the air and the gas in the guide burner is not easily ignited, and sometimes ignition by repeated ignition is required to seriously affect ignition in the driving operation stage of the fixed bed slag gasifier.
Disclosure of Invention
The present invention is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art.
According to one aspect of the present invention, there is provided a gasification furnace pilot burner comprising: an air guide pipe having an air inlet for inputting air; a gas guide pipe provided in the air guide pipe and having a gas inlet for inputting gas; a gas nozzle fixed to an outlet end of the gas guide pipe for injecting gas into the air guide pipe so as to be mixed with air in the air guide pipe; and an ignition rod disposed in the air guide pipe for igniting a mixed gas of the air and the fuel gas. The gasifier guiding burner also comprises a guiding device arranged in the air guiding pipe, the guiding device is a hollow shell and is provided with an inlet and an outlet, and the gas nozzle is positioned at the inner side of the outlet of the guiding device; the flow guiding device is used for guiding the air in the air guiding pipe to the center of the air guiding pipe, so that the air is fully mixed with the fuel gas sprayed from the fuel gas spray head.
According to an exemplary embodiment of the invention, the inlet inner diameter of the flow guiding device is larger than the inner diameter of the outlet; the air flows in from the inlet of the flow guiding device and is fully mixed with the fuel gas sprayed from the fuel gas spray head.
According to another exemplary embodiment of the present invention, the gas shower is positioned near the inner side of the outlet of the flow guiding device, and the inner diameter of the outlet of the flow guiding device is larger than the outer diameter of the gas shower.
According to another exemplary embodiment of the present invention, a notch is formed in a side wall of the deflector, through which the ignition rod passes when installed, so that the deflector does not interfere with the ignition rod.
According to another exemplary embodiment of the present invention, the firing end of the firing rod is fixed to the gas guide tube.
According to another exemplary embodiment of the present invention, the air guiding device comprises a cylindrical housing section and a conical housing section, the outer wall of the cylindrical housing section of the air guiding device being fixed to the inner wall of the air guiding tube.
According to another exemplary embodiment of the invention, the outer wall of the cylindrical housing section of the flow guiding device is fixed to the inner wall of the air guiding tube by means of welding or interference fit.
According to another exemplary embodiment of the present invention, the gasifier pilot burner further comprises a flange connected to the air guide pipe.
According to another exemplary embodiment of the present invention, the gas guiding tube is positioned in the center of the air guiding tube and parallel to the air guiding tube.
In the foregoing exemplary embodiments according to the present invention, a deflector is provided in the gasification furnace pilot burner, which can guide the air in the air guide pipe toward the gas shower outlet so that the air is sufficiently mixed with the gas sprayed from the gas shower before reaching the striking end of the ignition rod, thereby enabling the gasification furnace pilot burner to be easily ignited.
Other objects and advantages of the present invention will become apparent from the following description of the invention with reference to the accompanying drawings, which provide a thorough understanding of the present invention.
Drawings
FIG. 1 is a schematic view showing a structure of a gasification furnace guiding burner in the prior art;
FIG. 2 shows a schematic diagram of the operation of a gasifier pilot burner of the prior art;
FIG. 3 illustrates a schematic diagram of the operation of a gasifier pilot burner according to an exemplary embodiment of the invention;
FIG. 4 is a schematic perspective view showing a deflector in the pilot burner of the gasification furnace shown in FIG. 3; and
FIG. 5 shows a left side view of the deflector and ignition rod in the gasifier pilot burner of FIG. 3.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of embodiments of the present invention with reference to the accompanying drawings is intended to illustrate the general inventive concept and should not be taken as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in the drawings in order to simplify the drawings.
According to one general technical concept of the present invention, there is provided a gasification furnace pilot burner, comprising: an air guide pipe having an air inlet for inputting air; a gas guide pipe provided in the air guide pipe and having a gas inlet for inputting gas; a gas nozzle fixed to an outlet end of the gas guide pipe for injecting gas into the air guide pipe so as to be mixed with air in the air guide pipe; and an ignition rod disposed in the air guide pipe for igniting a mixed gas of the air and the fuel gas. The gasifier guiding burner also comprises a guiding device arranged in the air guiding pipe, and the gas nozzle is positioned near the inner side of the outlet of the guiding device; the air guiding device is used for guiding the air in the air guiding pipe to the outlet of the gas nozzle, so that the air and the gas sprayed from the gas nozzle are fully mixed before reaching the ignition end of the ignition rod.
Fig. 3 shows an operation schematic diagram of a gasification furnace pilot burner according to an exemplary embodiment of the present invention.
The primary difference between the gasification furnace pilot burner of the present invention shown in fig. 3 and the existing gasification furnace pilot burner shown in fig. 1 and 2 is the addition of a deflector 600.
As shown in fig. 3, in the illustrated embodiment, the gasification furnace pilot burner of the present invention mainly includes: an air guide pipe 100, a gas guide pipe 200, a gas shower 300, an ignition lever 400, and a deflector 600.
As shown in fig. 3, in the illustrated embodiment, the air guide tube 100 has an air inlet 101 for inputting air. The gas guide pipe 200 is provided in the air guide pipe 100, and has a gas inlet 201 for inputting gas. The gas shower 300 is fixed to the outlet end of the gas guide pipe 200 for injecting gas into the air guide pipe 100 so as to be mixed with air in the air guide pipe 100. An ignition rod 400 is provided in the air guide pipe 100 for igniting a mixture of air and gas. The deflector 600 is disposed in the air guide pipe 100, and the gas shower 300 is located inside the deflector 600.
As shown in fig. 3, in the illustrated embodiment, the flow guiding device 600 is used to guide the air (indicated by a dotted arrow in the drawing) in the air guiding pipe 100 toward the outlet of the gas burner so that the air is sufficiently mixed with the gas (indicated by a solid arrow in the drawing) ejected from the gas burner before reaching the striking end of the ignition rod, so that the mixed gas can be easily ignited by the spark struck by the ignition rod 400.
Fig. 4 is a perspective view of a deflector 600 in the gasification furnace pilot burner shown in fig. 3.
As shown in fig. 3 and 4, in the illustrated embodiment, the deflector 600 is a hollow housing having an inlet 601 and an outlet 602. The inlet 601 of the deflector 600 has an inner diameter greater than the inner diameter of the outlet 602 thereof.
As shown in fig. 3 and 4, in the illustrated embodiment, air flows in from the inlet 601 of the flow guide 600 having a larger inner diameter and is sufficiently mixed with the gas discharged from the gas shower 300.
As shown in fig. 3, in the illustrated embodiment, the gas shower 300 is positioned near the inner side of the outlet 602 of the deflector 600, and the inner diameter of the outlet 602 of the deflector 600 is larger than the outer diameter of the gas shower, so that the deflector 600 does not hinder smooth propagation of flames, which can be easily propagated out from the outlet 602 of the deflector 600.
Fig. 5 shows a plan view of the deflector 600 and the ignition rod 400 in the gasification furnace pilot burner shown in fig. 3.
As shown in fig. 3, 4 and 5, in the illustrated embodiment, a notch 603 is formed on a sidewall of the deflector 600, and the sparking end portion of the ignition rod 400 is located outside the deflector through the notch 603, so that the deflector 600 does not interfere with the ignition rod 400. In this way, the deflector 600 does not interfere with the installation and securement of the ignition rod 400.
In one embodiment of the invention, the head of the ignition rod 400 may be fixed to the gas guide pipe.
As shown in fig. 3 and 4, in the illustrated embodiment, the deflector 600 includes a cylindrical housing section 610 and a conical housing section 620, with the outer wall of the cylindrical housing section 610 of the deflector 600 being secured to the inner wall of the air guide tube 100.
In one embodiment of the invention, the outer wall of the cylindrical housing section 610 of the deflector 600 is secured to the inner wall of the air guide tube 100 by welding or by an interference fit.
As shown in FIG. 3, in the illustrated embodiment, the gasifier pilot burner further includes a flange 500, and the flange 500 is connected to the air pilot tube 100.
In the illustrated embodiment, as shown in fig. 3, the gasifier pilot burner further comprises two flanges 500, the left flange 500 and the flange cover thereon are provided with holes, and the ignition rod 400 is inserted into the air guide pipe from the holes. The flange 500 on the right in the figure is used for connecting the fixed pilot burner with the flange on the gasifier or the accessory equipment thereof, thereby playing the role of the fixed pilot burner.
As shown in fig. 3, in the illustrated embodiment, the gas guide tube 200 is positioned in the center of the air guide tube 100 and parallel to the air guide tube 100.
Those skilled in the art will appreciate that the embodiments described above are exemplary and that modifications may be made by those skilled in the art, and that the structures described in the various embodiments may be freely combined without conflict in terms of structure or principle.
Although the present invention has been described with reference to the accompanying drawings, the examples disclosed in the drawings are intended to illustrate preferred embodiments of the invention and are not to be construed as limiting the invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and that the word "a" or "an" does not exclude a plurality. In addition, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (7)
1. A fixed bed slag gasifier pilot burner for ignition, the fixed bed slag gasifier pilot burner comprising:
an air guide pipe (100) having an air inlet (101) for inputting air;
a fuel gas guide pipe (200) provided in the air guide pipe (100) and having a fuel gas inlet (201) for inputting fuel gas;
a gas shower head (300) fixed to an outlet end of the gas guide pipe (200) for injecting gas into the air guide pipe (100) so as to be mixed with air in the air guide pipe (100); and
an ignition rod (400) provided in the air guide pipe (100) for igniting a mixed gas of the air and the fuel gas,
the method is characterized in that:
the gasifier guiding burner further comprises a guiding device (600) arranged in the air guiding pipe (100), wherein the guiding device (600) is a hollow shell and is provided with an inlet (601) and an outlet (602), the air guiding pipe (100) extends beyond the outlet (602) of the guiding device (600), and the gas nozzle (300) is positioned inside the outlet (602) of the guiding device (600);
the flow guiding device (600) is used for guiding the air in the air guiding pipe (100) to the center of the air guiding pipe (100) so that the air and the fuel gas sprayed from the fuel gas spray head (300) can be fully mixed before reaching the electric ignition end of the ignition rod (400);
wherein the flow guiding device (600) comprises a cylindrical housing section (610) and a conical housing section (620) connected to the cylindrical housing section and having an inner diameter gradually decreasing in an axial direction away from the cylindrical housing section, an outer wall of the cylindrical housing section (610) of the flow guiding device (600) being fixed to an inner wall of the air guiding tube (100);
wherein a notch (603) is formed in a side wall of the deflector (600), and the ignition rod (400) passes through the notch (603) when the ignition rod (400) is mounted, so that the deflector (600) does not interfere with the ignition rod (400).
2. The gasifier pilot burner of claim 1, wherein:
the inner diameter of an inlet (601) of the flow guiding device (600) is larger than the inner diameter of an outlet (602);
the air flows in from an inlet (601) of the flow guiding device (600) and is fully mixed with the fuel gas sprayed from the fuel gas spray head (300).
3. The gasifier pilot burner of claim 2, wherein:
the inner diameter of the outlet (602) of the flow guiding device (600) is larger than the outer diameter of the gas nozzle (300).
4. The gasifier pilot burner of claim 1, wherein:
the outer wall of the cylindrical housing section (610) of the deflector (600) is fixed to the inner wall of the air guiding tube (100) by welding or interference fit.
5. The gasifier pilot burner of claim 1, wherein: the ignition end of the ignition rod (400) is fixed on the fuel gas guiding pipe.
6. The gasifier pilot burner of claim 1, wherein:
the gasifier guiding burner further comprises a flange (500), and the flange (500) is connected with the air guiding pipe (100).
7. The gasifier pilot burner of claim 1, wherein:
the gas guide pipe (200) is positioned in the center of the air guide pipe (100) and is parallel to the air guide pipe (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611269681.7A CN106765096B (en) | 2016-12-30 | 2016-12-30 | Gasification furnace guiding burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611269681.7A CN106765096B (en) | 2016-12-30 | 2016-12-30 | Gasification furnace guiding burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106765096A CN106765096A (en) | 2017-05-31 |
| CN106765096B true CN106765096B (en) | 2024-01-02 |
Family
ID=58951809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611269681.7A Active CN106765096B (en) | 2016-12-30 | 2016-12-30 | Gasification furnace guiding burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106765096B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575867B (en) * | 2017-09-22 | 2024-02-23 | 安德森热能科技（苏州）有限责任公司 | Immersed pure oxygen burner |
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| CN102408919A (en) * | 2011-10-11 | 2012-04-11 | 北京航天动力研究所 | Combustion nozzle combination device of multi-channel coal water slurry gasification furnace |
| CN202835356U (en) * | 2012-08-08 | 2013-03-27 | 常州新奥燃气工程有限公司 | Semi-jet type nozzle |
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| CN103277795A (en) * | 2013-05-27 | 2013-09-04 | 中国科学院广州能源研究所 | Gas burner capable of adjusting gas to be self-recycling |
| CN103484166A (en) * | 2013-09-25 | 2014-01-01 | 上海锅炉厂有限公司 | Solid powder burner and use method thereof |
| CN106118751A (en) * | 2016-08-22 | 2016-11-16 | 安徽科达洁能股份有限公司 | Coal gasification assembled nozzle |
| CN206430110U (en) * | 2016-12-30 | 2017-08-22 | 上海泽玛克敏达机械设备有限公司 | Gasification furnace guides burner |
-
2016
- 2016-12-30 CN CN201611269681.7A patent/CN106765096B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813867A (en) * | 1985-10-31 | 1989-03-21 | Nihon Nensho System Kabushiki Kaisha | Radiant tube burner |
| CN1100790A (en) * | 1993-09-22 | 1995-03-29 | 里克博士工业热工技术有限公司 | Gas burner |
| CN1230249A (en) * | 1996-07-08 | 1999-09-29 | 燃烧工程有限公司 | Pulverized solid fuel nozzle tip |
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| CN102408919A (en) * | 2011-10-11 | 2012-04-11 | 北京航天动力研究所 | Combustion nozzle combination device of multi-channel coal water slurry gasification furnace |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106765096A (en) | 2017-05-31 |
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Address after: 201206 2 floor, 13 building, 27 Jinqiao Road, China (Shanghai) free trade pilot area, Pudong New Area, Shanghai. Patentee after: Zemak (Shanghai) Environmental Protection Energy Technology Co.,Ltd. Address before: Room 413, No. 663, Zaozhuang Road, Pudong New Area, Shanghai 200134 Patentee before: SHANGHAI ZEMAG MINDAC MACHINERY EQUIPMENT Co.,Ltd. |