CN205919321U - Whirlwind fractional combustion ware - Google Patents
Whirlwind fractional combustion ware Download PDFInfo
- Publication number
- CN205919321U CN205919321U CN201620801380.3U CN201620801380U CN205919321U CN 205919321 U CN205919321 U CN 205919321U CN 201620801380 U CN201620801380 U CN 201620801380U CN 205919321 U CN205919321 U CN 205919321U
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- combustion chamber
- cylinder
- subsidiary combustion
- barrel
- whirlwind
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Abstract
The utility model relates to a cyclone -furnace firing ware technical field especially relates to a whirlwind fractional combustion ware, and whirlwind fractional combustion ware includes whirlwind barrel and liquid sediment collecting box, the whirlwind barrel divide into upper portion secondary combustion chamber, middle part combustion chamber and lower part secondary combustion chamber, and the diameter of the diameter of upper portion secondary combustion chamber's barrel and lower part secondary combustion chamber's barrel is less than the diameter of middle part combustion chamber's barrel, upper portion secondary combustion chamber, middle part combustion chamber and lower part secondary combustion chamber respectively establish an air intake, air intake department all is equipped with the annular helical coiled passage who cuts into whirlwind barrel inner wall, upper portion secondary combustion chamber's annular helical coiled passage and lower part secondary combustion chamber's annular helical coiled passage all incline to middle part combustion chamber direction, the lower extreme of whirlwind barrel is located to liquid sediment collecting box. The utility model discloses a mode of the compound fractional combustion of fuel and air has reduced thermal and prompt NOx's emission effectively, has improved combustion efficiency.
Description
Technical field
This utility model is related to vortex burner technical field, more particularly, to a kind of cyclone classified burner.
Background technology
Vortex burner cylinder type combustor utilize air stream high-speed rotation effect, can by coal dust, ickings or its
The solid fuel particle that he pulverizes throws to barrel, and solid fuel particle is burnt in the space near barrel and barrel,
And define high-temperature area around, lime-ash can be made to melt, and air-flow and the solid fuel sticking on liquid slag film
Between grain, there is very high relative velocity, promote fuel to be sufficiently mixed with air, burnt.Vortex burner ignition temperature ratio
General coal dust furnace temperature is high, and nitrogen can produce nitrogen oxides in high temperature environments, causes the amount of nitrogen oxides in flue gas
Higher.The generation of nitrogen oxides is mainly by three kinds of modes: the nitrogen oxidation that the nitrogen in combustion air aoxidizes at high temperature and generates
Thing is thermal NO；The nitrogen oxides that organonitrogen compound in fuel aoxidizes generation in combustion are fuel type
Nitrogen oxides, hydrocarbon system fuel nitrogen oxides of intermediate product produced by decomposition and nitrogen reaction generation in burning are fast
Fast type nitrogen oxides, the nitrogen oxides of generation can impact to environment.
The nitrogen oxides that vortex burner of the prior art is produced in being burnt using reducibility gas are reduced, but
It is so that the heating power type of generation and prompt NO is effectively reduced, or by axis between coal dust to importing
Carry out cyclone firing, an area of localized hyperthermia can be formed in cylinder to crack coal dust, improve the burn-off rate of coal dust, but office
Portion's high temperature uncontrollable heating power type and the discharge of prompt NO.
Utility model content
(1) technical problem to be solved
The purpose of this utility model is to provide a kind of cyclone classified burner, nitrogen oxidation when reducing solid fuel particle burning
The discharge of thing.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of cyclone classified burner, including Whirlwind barrel
And liquid slag collecting box；Described Whirlwind barrel is divided into top subsidiary combustion chamber, middle part main chamber and bottom subsidiary combustion chamber, described
The diameter of the cylinder of top subsidiary combustion chamber is less than described middle part main chamber with the diameter of the cylinder of described bottom subsidiary combustion chamber
The diameter of cylinder；Described top subsidiary combustion chamber, middle part main chamber and bottom subsidiary combustion chamber respectively set an air inlet；Described air intake
It is equipped with the toroidal helical passage of incision Whirlwind barrel inwall at mouthful；The toroidal helical passage of described top subsidiary combustion chamber and bottom
The toroidal helical passage of subsidiary combustion chamber all tilts to middle part main chamber direction；Described liquid slag collecting box is located at described cyclone cylinder
The lower end of body.
Wherein, the inwall of described Whirlwind barrel is provided with helical form guiding gutter.
Wherein, the toroidal helical passage of described top subsidiary combustion chamber and the toroidal helical passage of bottom subsidiary combustion chamber are to middle part
The angle that main chamber direction tilts is 3 °～20 °.
Wherein, described helical form guiding gutter is close in the outlet of described toroidal helical passage, the going out of described toroidal helical passage
Mouth is provided with scuff-resistant coating with the junction of helical form guiding gutter.
Wherein, the cylinder of described middle part main chamber includes the first cylinder being connected with top subsidiary combustion chamber and and lower secondary
The second cylinder that combustor connects, described first cylinder is up-small and down-big cone barrel, and described second cylinder is up big and down small
Cone barrel.
Wherein, the second cylinder of described middle part main chamber and its axis form 3 °～30 ° of inclination angle.
Wherein, the top of the cylinder of described top subsidiary combustion chamber is straight barrel type, and bottom is up big and down small cone barrel, bottom
The cylinder of cone barrel and its axis form 3 °～30 ° of inclination angle, and the cylinder of described bottom subsidiary combustion chamber is straight barrel type.
(3) beneficial effect
Technique scheme of the present utility model compared with prior art has the advantage that the rotation that this utility model provides
In wind gradual combustor, Whirlwind barrel has been divided into top subsidiary combustion chamber, middle part main chamber and the lower secondary combustion of three different-diameters
Burn room, by way of fuel and air combined fractional combustion, significantly reduce the generation of thermal NO.Due to upper
The diameter of the cylinder of portion's subsidiary combustion chamber and bottom subsidiary combustion chamber is respectively less than the diameter of the cylinder of middle part main chamber, in upper secondary burning
The air-flow of room and the generation of bottom subsidiary combustion chamber can produce disturbance impact to middle part main chamber, and upper subsidiary combustion chamber and lower secondary combustion
The reducibility gas burning room generation can reduce to middle part main chamber burning generation nitrogen oxides, reduces middle part main burning
The nitrogen oxides that room produces.
Brief description
Fig. 1 is the structural representation of the cyclone classified burner of this utility model embodiment；
Fig. 2 is the top plan view of this utility model embodiment cyclone classified burner annular helical duct；
Fig. 3 is the partial enlarged drawing of the helical form guiding gutter of the cyclone classified burner of this utility model embodiment.
In figure: 1: Whirlwind barrel；2: top subsidiary combustion chamber；3: middle part main chamber；4: bottom subsidiary combustion chamber；5: annular spiral shell
Rotation passage；6: helical form guiding gutter；7: liquid slag collecting box.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment are clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in this utility model embodiment
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in this utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, all
Belong to the scope of this utility model protection.Although the demonstration of the parameter comprising particular value can be provided herein, it is to be understood that parameter is no
Corresponding value need to be definitely equal to, but can be similar to be worth accordingly in acceptable error margin or design constraint.Additionally, with
The direction term mentioned in lower embodiment, for example " on ", D score, "front", "rear", "left", "right" etc., be only the side of refer to the attached drawing
To.Therefore, the direction term of use is used to explanation not for limiting this utility model.
As shown in Figure 1 and Figure 2, a kind of cyclone classified burner that this utility model embodiment provides, including Whirlwind barrel 1
And liquid slag collecting box 7；Whirlwind barrel 1 is divided into top subsidiary combustion chamber 2, middle part main chamber 3 and bottom subsidiary combustion chamber 4, on
The diameter of the cylinder of portion's subsidiary combustion chamber 2 is straight less than the cylinder of middle part main chamber 3 with the diameter of the cylinder of bottom subsidiary combustion chamber 4
Footpath；Top subsidiary combustion chamber 2, middle part main chamber 3 and bottom subsidiary combustion chamber 4 respectively set an air inlet；Top subsidiary combustion chamber 2, in
The air inlet of portion's main chamber 3 and bottom subsidiary combustion chamber 4 is equipped with the toroidal helical passage 5 of incision Whirlwind barrel 1 inwall, on
The toroidal helical passage 5 of the toroidal helical passage 5 of portion's subsidiary combustion chamber 2 and bottom subsidiary combustion chamber 4 is all to middle part main chamber 3 direction
Tilt.Liquid slag collecting box 7 is located at the lower end of Whirlwind barrel 1.Air with coal dust is respectively from top subsidiary combustion chamber 2, middle part
The toroidal helical passage 5 that the air inlet of main chamber 3 and bottom subsidiary combustion chamber 4 is provided with is passed through burning interior, so that entrance is burnt
The air of room is preheated by the flue gas of indoor generation of burning, and reduces the exhaust gas temperature of cyclone classified burner, improves simultaneously
The thermal efficiency of cyclone classified burner.Achieve the classification compound combustion of fuel and air, top subsidiary combustion chamber 2 and lower secondary
The flame peak temperature of combustor 4 is relatively low, it is possible to reduce the discharge of thermal NO.Toroidal helical passage 5 is provided with one and inclines
Rake angle can improve the peripheral speed of the fuel gas stream being passed through each combustor.The toroidal helical passage 5 of top subsidiary combustion chamber 2
All tilt to make fuel gas stream to middle part master to middle part main chamber 3 direction with the toroidal helical passage 5 of bottom subsidiary combustion chamber 4
Combustor 3 impacts, and the diameter of the cylinder of top subsidiary combustion chamber 2 and bottom subsidiary combustion chamber 4 is respectively less than the cylinder of middle part main chamber 3
The diameter of body, can make eddy flow disturbance stronger, improve eddy flow centrifugal force by reducing barrel diameter, improve efficiency of combustion,
And to complete without by way of increasing ventilation.
Preferably, as shown in figure 3, the inwall of Whirlwind barrel 1 is provided with helical form guiding gutter 6.Air draught is along helical form
Guiding gutter 6 forms eddy flow, and helical form guiding gutter 6 can guide air draught to form strong eddy flow disturbance burning, and can reduce
The axial velocity of eddy flow, improves the coal dust firing time, enhances efficiency of combustion.
Preferably, the toroidal helical passage 5 of top subsidiary combustion chamber 2 and the toroidal helical passage 5 of bottom subsidiary combustion chamber 4 in
The angle that portion's main chamber 3 direction tilts is 3 °～20 °.Suitable angle of inclination can make cyclone classified burner reach preferably
Reduction nitrogen oxides discharge effect.
Preferably, helical form guiding gutter 6, the outlet of toroidal helical passage 5 and spiral are close in the outlet of toroidal helical passage 5
The junction of shape guiding gutter 6 is provided with scuff-resistant coating.The solid fuel particle that in the air carries can be reduced to toroidal helical passage 5 He
Helical form guiding gutter 6 abrasion.
Preferably, the cylinder of middle part main chamber 3 includes the first cylinder being connected with top subsidiary combustion chamber 2 and and lower secondary
The second cylinder that combustor 4 connects, the first cylinder is up-small and down-big cone barrel, and described second cylinder is up big and down small cone cylinder
Shape.Specifically, the second cylinder of middle part main chamber 3 and its axis form 3 °～30 ° of inclination angle.Middle part main chamber 3
First cylinder is that up-small and down-big cone barrel can stop that the flue gas that in middle part main chamber 3, burning produces directly quickly is arranged
Go out；Second cylinder of middle part main chamber 3 is the centrifugal force that up big and down small cone barrel can improve eddy flow, and strengthen burning is imitated
Really.
Preferably, the top of the cylinder of top subsidiary combustion chamber 2 is straight barrel type, and bottom is up big and down small cone barrel, bottom
The axis of the cylinder of cone barrel and cylinder forms 3 °～30 ° of inclination angle, and the cylinder of bottom subsidiary combustion chamber 4 is straight barrel type.Top
The cylinder bottom of subsidiary combustion chamber 2 is the centrifugal force that up big and down small cone barrel can improve eddy flow, strengthen burning effect.
The combustion method of the cyclone classified burner that this utility model provides, comprises the following steps:
S1, is passed through with solid fuel to top subsidiary combustion chamber 2, middle part main chamber 3 and bottom subsidiary combustion chamber 4 respectively
The air of grain, specifically, the solid fuel particle of top subsidiary combustion chamber 2, middle part main chamber 3 and bottom subsidiary combustion chamber 4 is passed through
Amount ratio is 1:6:3, and the air intake ratio of top subsidiary combustion chamber 2, middle part main chamber 3 and bottom subsidiary combustion chamber 4 is 3:
6:1, it is preferable that the ratio of the ratio of solid fuel particle and air intake all can be adjusted between 0.5～1, needs
Illustrate, each ratio of combustor solid fuel particle intake and the ratio of air intake are not limited to aforementioned proportion；
S2, the air with solid fuel particle respectively enters top subsidiary combustion chamber 2, middle part master through toroidal helical passage 5
Combustor 3 and bottom subsidiary combustion chamber 4 form fuel gas stream, and fuel gas stream forms eddy flow along helical form guiding gutter 6 and starts to burn；
S3, the fuel gas stream of the fuel gas stream of top subsidiary combustion chamber 2 and bottom subsidiary combustion chamber 4 is all along helical form guiding gutter 6
Impact to middle part main chamber 3, the reducibility gas of top subsidiary combustion chamber 2 and bottom subsidiary combustion chamber 4 formation are to middle part master simultaneously
The nitrogen oxides that combustor 3 burning produces are reduced；
S4, after the completion of burning, the formed flue gas of fuel gas stream burning is discharged by Whirlwind barrel 1 upper end, produces simultaneously
Melt cinder is collected by liquid slag collecting box 7.
In sum, cyclone classified burner of the present utility model, by way of fuel and air combined fractional combustion,
Significantly reduce the generation of thermal NO.Diameter due to top subsidiary combustion chamber 2 and the cylinder of bottom subsidiary combustion chamber 4
It is respectively less than the diameter of the cylinder of middle part main chamber 3, the air-flow producing in upper subsidiary combustion chamber and bottom subsidiary combustion chamber 4 can be to middle part
Main chamber 3 produces disturbance impact, and the reducibility gas that upper subsidiary combustion chamber and bottom subsidiary combustion chamber 4 produce can the main combustion to middle part
Burn room 3 burning generation nitrogen oxides to be reduced, reduce the nitrogen oxides that middle part main chamber 3 produces.It is provided with annular water conservancy diversion
Groove has accurately guided the axial velocity flowing to track, decreasing eddy flow of combustion-gas flow, improves response time, solid fuel
Particle burning is more abundant.
Finally it is noted that above example, only in order to the technical solution of the utility model to be described, is not intended to limit；
Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that:
It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are carried out etc.
With replacement；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technology
The spirit and scope of scheme.
Claims (7)
1. a kind of cyclone classified burner is it is characterised in that include Whirlwind barrel (1) and liquid slag collecting box (7)；
Described Whirlwind barrel (1) is divided into top subsidiary combustion chamber (2), middle part main chamber (3) and bottom subsidiary combustion chamber (4), described
The diameter of cylinder of top subsidiary combustion chamber (2) is less than the main combustion in described middle part with the diameter of the cylinder of described bottom subsidiary combustion chamber (4)
Burn the diameter of the cylinder of room (3)；
Described top subsidiary combustion chamber (2), middle part main chamber (3) and bottom subsidiary combustion chamber (4) respectively set an air inlet, described enter
It is equipped with the toroidal helical passage (5) of incision Whirlwind barrel (1) inwall at air port；The annular spiral shell on described top subsidiary combustion chamber (2)
The toroidal helical passage (5) of rotation passage (5) and bottom subsidiary combustion chamber (4) all tilts to middle part main chamber (3) direction；
Described liquid slag collecting box (7) is located at the lower end of described Whirlwind barrel (1).
2. cyclone classified burner according to claim 1 it is characterised in that: set on the inwall of described Whirlwind barrel (1)
There is helical form guiding gutter (6).
3. cyclone classified burner according to claim 2 it is characterised in that: the annular on described top subsidiary combustion chamber (2)
The angle that the toroidal helical passage (5) of helical duct (5) and bottom subsidiary combustion chamber (4) tilts to middle part main chamber (3) direction
For 3 °～20 °.
4. cyclone classified burner according to claim 2 it is characterised in that: the outlet of described toroidal helical passage (5)
It is close to described helical form guiding gutter (6), the outlet of described toroidal helical passage (5) and the junction of helical form guiding gutter (6) set
There is scuff-resistant coating.
5. cyclone classified burner according to claim 1 it is characterised in that: the cylinder at described middle part main chamber (3)
Including the first cylinder being connected with top subsidiary combustion chamber (2) and the second cylinder being connected with bottom subsidiary combustion chamber (4), described first
Cylinder is up-small and down-big cone barrel, and described second cylinder is up big and down small cone barrel, described first cylinder and the second cylinder
It is connected smoothly.
6. cyclone classified burner according to claim 5 it is characterised in that: the second of described middle part main chamber (3)
Cylinder forms 3 °～30 ° of inclination angle with its axis.
7. cyclone classified burner according to claim 1 it is characterised in that: the cylinder on described top subsidiary combustion chamber (2)
Top be straight barrel type, bottom is up big and down small cone barrel, the inclining of 3 °～30 ° of the cylinder of bottom cone barrel and its axis formation
Oblique angle, the cylinder of described bottom subsidiary combustion chamber (4) is straight barrel type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801380.3U CN205919321U (en) | 2016-07-27 | 2016-07-27 | Whirlwind fractional combustion ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801380.3U CN205919321U (en) | 2016-07-27 | 2016-07-27 | Whirlwind fractional combustion ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205919321U true CN205919321U (en) | 2017-02-01 |
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ID=57872890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620801380.3U Expired - Fee Related CN205919321U (en) | 2016-07-27 | 2016-07-27 | Whirlwind fractional combustion ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205919321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247326A (en) * | 2016-07-27 | 2016-12-21 | 北京神雾环境能源科技集团股份有限公司 | A kind of cyclone classified burner and combustion method thereof |
-
2016
- 2016-07-27 CN CN201620801380.3U patent/CN205919321U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247326A (en) * | 2016-07-27 | 2016-12-21 | 北京神雾环境能源科技集团股份有限公司 | A kind of cyclone classified burner and combustion method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20170201 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20170201 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |