CN203656984U - A Variable Swirl Number Cyclone - Google Patents
A Variable Swirl Number Cyclone Download PDFInfo
- Publication number
- CN203656984U CN203656984U CN201420025090.5U CN201420025090U CN203656984U CN 203656984 U CN203656984 U CN 203656984U CN 201420025090 U CN201420025090 U CN 201420025090U CN 203656984 U CN203656984 U CN 203656984U
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- CN
- China
- Prior art keywords
- pipe
- tube body
- cyclone
- swirl
- variable
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- Expired - Lifetime
Links
- 239000011148 porous material Substances 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 16
- 239000000567 combustion gas Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A variable swirl-number swirler having the following features: the aperture of the gas flow passage pipe is equal to that of the gas outlet pipe and is fastened through a flange, and the aperture of the gas flow passage pipe is smaller than that of the gas inlet pipe of the gas flow passage pipe and is communicated with the gas flow passage pipe. The joint part of the gas flow passage pipe and the gas outlet pipe is internally fixed with a swirler main body. The cyclone main body is provided with an inner tube body and an outer tube body. The bottom of the inner pipe body is provided with a central pore plate with uniformly and symmetrically arranged air distributing holes. The central orifice plate is removable. Swirl blades are vertically and uniformly distributed and fixed between the inner pipe body and the outer pipe body in the circumferential direction. The swirl burner with the variable swirl number is used for changing the blockage ratio of the annular channel and the central channel of the swirler by changing the hole number of the swirl vane structure and the central orifice plate aiming at different gas components, so that the swirl number of the swirler is changed, the high-efficiency stable combustion under the condition of different components can be adapted, and the applicable range of equipment is improved. The working efficiency is improved. And a reasonable swirl combustion mode is selected to reduce the emission of NOX, so that clean combustion is realized.
Description
Technical field
The utility model relates to a kind of industrial combustion gas utensil.
Background technology
As one of effective means of control combustion stability and intensity, swirl flow combustion all has a wide range of applications in gas turbine and boiler furnace.And in IGCC(coal gasification combined cycle) there is important application potential in technology.
Swirl flow combustion is one of major way of gas fuel combustion, and cyclone mode can be divided into low revolving and Gao Xuan.Low swirl flow combustion is to utilize the circumferential speed of swirl vane generation to reduce the axial velocity of combustion gas, makes its smooth combustion; High turbulent burner is to utilize the raw backflow of high eddy flow movable property to stabilize the flame.Swirl flow combustion has solved the stable problem of gas fuel combustion to a certain extent, but according to different gaseous fuel components, needs different cyclone modes to make the gas flame of its different component stable.The utility model discloses a kind of variable swirling number turbulent burner, for different Gas Components, by changing the hole count of swirl vane structure and center orifice plate, change cyclone circular passage and central passage blockage ratio, and then the swirling number of change cyclone, stablize for the gas flame of stablizing different component.
Utility model content
For solving the problems of the technologies described above, the utility model proposes following technical scheme: a kind of variable swirling number cyclone, it has following characteristics: gas runner pipe equates with escape pipe aperture and to pass through flange fastening, and the air inlet pipe that aperture is less than described gas runner pipe is communicated with gas runner pipe.In the junction surface of gas runner pipe and escape pipe, be fixed with cyclone body.Cyclone body is provided with interior tube body and outer tube body.Interior tube body bottom is provided with the center orifice plate of point pore arranging symmetrically.Center orifice plate replaceable.The vertical uniform swirl vane that is fixed with of circumferencial direction between interior tube body and outer tube body.Divide the scope of hole diameter for being 3.78mm to 4.60mm.Dividing the diameter optimum value of pore is 3.90mm.The radius r of interior tube body
1for 20.00mm, the radius r of outer tube body
2for 30.00mm.The quantity n=23 of swirl vane.Swirl vane inside height L=30.00mm.The blade angle θ of swirl vane
0=37 °.The inward flange radius R of swirl vane
1=49.85mm, outward flange radius R
2=74.77mm.
Adopt the variable swirling number turbulent burner of technique scheme, for different Gas Components, by changing the hole count of swirl vane structure and center orifice plate, change cyclone circular passage and central passage blockage ratio, and then the swirling number of change cyclone, can adapt to the burning of efficient stable under different component condition, that has improved equipment can range of application.Increase work efficiency.Choose the discharge that rational swirl flow combustion mode can reduce NOX, thus clean burning.
Brief description of the drawings
Below in conjunction with accompanying drawing and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structure assembling schematic diagram of a kind of variable swirling number cyclone of the utility model
Fig. 2 is the integrally-built profile of a kind of variable swirling number cyclone of the utility model
Fig. 3 is that the parts at Fig. 1 middle part are the profile of cyclone body
Fig. 4 is that the parts at Fig. 1 middle part are the stereogram of cyclone body
Fig. 5 is the top view of Fig. 5, has shown the structure of center orifice plate
Fig. 6 be in Fig. 1 sequence number be 3 with the assembling schematic diagram of the sequence number part that is 5
Fig. 7 is the organigram of the part that in Fig. 1, sequence number is 5
In figure: 1, air inlet pipe, 2, gas runner pipe, 3, interior tube body, 4, center orifice plate, 5, swirl vane, 6, outer tube body, 7, flange, 8, point pore, 9, escape pipe.
Detailed description of the invention
This device is made up of cyclone body and combustion gas runner.
Cyclone body comprises: interior tube body 3 and outer tube body 6, interior tube body 3 bottoms are provided with the center orifice plate 4 of point pore 8 arranging symmetrically, the vertical uniform swirl vane 5 that is fixed with of circumferencial direction between interior tube body 3 and outer tube body 6.
Gas-flow duct device comprises: air inlet pipe 1, gas runner pipe 2, mounting flange 6, escape pipe 9, and the flange 7 of connection gas runner pipe 2 and escape pipe 9.
On the center orifice plate 4 of cyclone body, the size of the quantity of point pore 8 and point pore 8 diameters can change;
The described interior tube body 3 of cyclone body, outer tube body) radius, the quantity of swirl vane 5, the inside height of swirl vane 5, the blade angle of swirl vane 5, and the inside and outside edge radius of swirl vane 5 also can change.
By the above variation in cyclone body, can change the swirling number of cyclone, also change the cyclone mode of cyclone, and then realize the variation of the mass flow of the central passage in circular passage and the escape pipe 9 being formed by cyclone body in cyclone.
In cyclone body, the design of swirl vane 5 is as follows:
R
1: cyclone internal diameter
R
2: cyclone external diameter
R
1: blade inward flange radius
R
2: blade outward flange radius
θ
0: blade angle
S: swirling number
L: blade inside height
N: the number of blade
In the present embodiment:
n＝23
In cyclone body, in center orifice plate 4, divide the arrangement mode of pore 8 as shown in Figure 5.
Dividing the diameter range of pore 8 is 3.78mm to 4.60mm.
In the present embodiment taking aperture as 3.90mm is optimum value.
The technical scheme of a kind of variable swirling number turbulent burner of the utility model, for different Gas Components, by changing the hole count of swirl vane structure and center orifice plate, change cyclone circular passage and central passage blockage ratio, and then the swirling number of change cyclone, make the gas flame smooth combustion of different component.
Claims (9)
1. a variable swirling number cyclone, it is characterized in that: gas runner pipe (2) equates with escape pipe (9) aperture and to pass through flange (7) fastening, the air inlet pipe (1) that aperture is less than described gas runner pipe (2) is communicated with described gas runner pipe (2), in the junction surface of described gas runner pipe (2) and escape pipe (9), be fixed with cyclone body, described cyclone body is provided with interior tube body (3) and outer tube body (6), described interior tube body (3) bottom is provided with the center orifice plate (4) of point pore (8) arranging symmetrically, the vertical uniform swirl vane (5) that is fixed with of circumferencial direction between interior tube body (3) and outer tube body (6).
2. variable swirling number cyclone according to claim 1, is characterized in that: center orifice plate (4) replaceable that is provided with a point pore (8) that install interior tube body (3) bottom that described cyclone body is provided with.
3. variable swirling number cyclone according to claim 1 and 2, is characterized in that: the scope of described point of pore (8) diameter is for being 3.78mm to 4.60mm.
4. variable swirling number cyclone according to claim 3, is characterized in that: the diameter optimum value of described point of pore (8) is 3.90mm.
5. variable swirling number cyclone according to claim 1, is characterized in that: the radius r of described interior tube body (3)
1for 20.00mm, the radius r of described outer tube body (6)
2for 30.00mm.
6. variable swirling number cyclone according to claim 1, is characterized in that: the quantity n=23 of described swirl vane (5).
7. variable swirling number cyclone according to claim 1, is characterized in that: the inside height L=30.00mm of described swirl vane (5).
8. variable swirling number cyclone according to claim 1, is characterized in that: the blade angle θ of described swirl vane (5)
0=37 °.
9. variable swirling number cyclone according to claim 1, is characterized in that: the inward flange radius R of described swirl vane (5)
1=49.85mm, outward flange radius R
2=74.77mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025090.5U CN203656984U (en) | 2014-01-15 | 2014-01-15 | A Variable Swirl Number Cyclone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025090.5U CN203656984U (en) | 2014-01-15 | 2014-01-15 | A Variable Swirl Number Cyclone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656984U true CN203656984U (en) | 2014-06-18 |
Family
ID=50923364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420025090.5U Expired - Lifetime CN203656984U (en) | 2014-01-15 | 2014-01-15 | A Variable Swirl Number Cyclone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656984U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697499A (en) * | 2014-01-15 | 2014-04-02 | 大连海事大学 | A Variable Swirl Number Cyclone |
| CN107796623A (en) * | 2016-09-05 | 2018-03-13 | 南京理工大学 | NACA tab style adjustable cyclones for the experiment of SFRJ connecting leg |
| CN110316812A (en) * | 2019-06-24 | 2019-10-11 | 河北航天环境工程有限公司 | A kind of high-efficiency aerator and application for forcing Mixing Technology based on air swirl |
| CN115479275A (en) * | 2017-06-19 | 2022-12-16 | 塞拉斯热能技术有限责任公司 | Baffle assembly for varying transitional flow effects between different chambers |
-
2014
- 2014-01-15 CN CN201420025090.5U patent/CN203656984U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697499A (en) * | 2014-01-15 | 2014-04-02 | 大连海事大学 | A Variable Swirl Number Cyclone |
| CN103697499B (en) * | 2014-01-15 | 2016-08-17 | 大连海事大学 | A Variable Swirl Number Cyclone |
| CN107796623A (en) * | 2016-09-05 | 2018-03-13 | 南京理工大学 | NACA tab style adjustable cyclones for the experiment of SFRJ connecting leg |
| CN115479275A (en) * | 2017-06-19 | 2022-12-16 | 塞拉斯热能技术有限责任公司 | Baffle assembly for varying transitional flow effects between different chambers |
| CN110316812A (en) * | 2019-06-24 | 2019-10-11 | 河北航天环境工程有限公司 | A kind of high-efficiency aerator and application for forcing Mixing Technology based on air swirl |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20160817 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |