CN205782858U - A kind of cyclone gasification burning premix burner - Google Patents
A kind of cyclone gasification burning premix burner Download PDFInfo
- Publication number
- CN205782858U CN205782858U CN201620454671.XU CN201620454671U CN205782858U CN 205782858 U CN205782858 U CN 205782858U CN 201620454671 U CN201620454671 U CN 201620454671U CN 205782858 U CN205782858 U CN 205782858U
- Authority
- CN
- China
- Prior art keywords
- coal dust
- cyclone
- combustion gas
- air deferent
- air
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
This utility model relates to a kind of cyclone gasification burning premix burner, First air deferent, oxygen-rich coal dust premix barrel and gas gasifier；Described oxygen-rich coal dust premix barrel is arranged in described First air deferent, coaxial with described First air deferent；Described First air deferent includes that cross sectional shape is trapezoidal coal dust chamber and cross sectional shape is square coal dust combustion gas mixing chamber, between described coal dust chamber and described coal dust combustion gas mixing chamber, it is provided with the first cyclone, before described coal dust combustion gas mixing chamber, is provided with the second cyclone；Described gas gasifier includes that vaporizer, the outside of described vaporizer are coated with electric heating layer.This utility model is provided with the first cyclone and the second cyclone in First air deferent, oxygen-rich coal dust air-flow can be passed in coal dust combustion gas mixing chamber by the first cyclone with the form that rotation is mixed, lighted by burning torch after being sufficiently mixed with combustion gas, second cyclone produces partial reflux, making burning more abundant, the generation of nitrogen oxides significantly reduces.
Description
Technical field
This utility model relates to technical field of boiler combustion, particularly relates to a kind of cyclone gasification burning premix combustion
Burner.
Background technology
In present denitration technology, in order to reduce the heat that high temperature produces, make combustion process as far as possible close
Carry out under conditions of theoretical air requirement, along with the minimizing of excess of oxygen in flue gas, the generation of NOx can be suppressed.
This is a kind of method of simplest reduction NOx emission.Typically can reduce NOx emission 15-20%.But
Such as oxygen concentration too low (less than 3%) in stove, concentration can be caused to sharply increase, increase chemically incomplete combustion heat waste
Losing, cause unburned carbon in flue dust to increase, efficiency of combustion declines.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of nitrogen oxides that effectively reduces and arranges
Cyclone gasification burning premix burner high-volume.
This utility model one cyclone gasification burning premix burner, First air deferent, oxygen-rich coal dust premix
Pipe and gas gasifier；Described oxygen-rich coal dust premix barrel is arranged in described First air deferent, with described once
Wind channel tube is coaxial；Described First air deferent includes that cross sectional shape is trapezoidal coal dust chamber and cross sectional shape is square
Coal dust combustion gas mixing chamber, between described coal dust chamber and described coal dust combustion gas mixing chamber, be provided with the first eddy flow
Device, was provided with the second cyclone before described coal dust combustion gas mixing chamber；Described gas gasifier includes gasification
Room, the outside of described vaporizer is coated with electric heating layer.
Further, described gas gasifier also includes pressure sensing actuator and temperature sensor, described
Pressure sensing actuator and described temperature sensor are arranged on the pipeline of described vaporizer and described First air deferent
On.
Further, described oxygen-rich coal dust premix barrel includes being buffered into trachea, coal dust accumulation chamber, coal dust successively
Concentrator and pulverized coal conveying pipe, described coal dust accumulation chamber and described pulverized coal concentrator are all cross sectional shape for ladder
The reducing pipe of shape.
Further, outside described second cyclone, blunt piece of triangle also it is equiped with.
Further, outside described first wind channel tube, it is arranged with surrounding air deferent.
Further, described first cyclone is turbine type circumference with the swirl vane in described second cyclone
Annular array.
By such scheme, this utility model at least has the advantage that
This utility model one cyclone gasification burning premix burner, is provided with first in First air deferent
Cyclone and the second cyclone, oxygen-rich coal dust air-flow can be passed into coal with the form that rotation is mixed by the first cyclone
In powder combustion gas mixing chamber, being lighted by burning torch after being sufficiently mixed with combustion gas, the second cyclone produces partial reflux,
Making burning more abundant, the generation of nitrogen oxides significantly reduces.
Described above is only the general introduction of technical solutions of the utility model, in order to it is new to better understand this practicality
The technological means of type, and can be practiced according to the content of description, below with preferable reality of the present utility model
Execute example to be described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one preferred embodiment；
Label in accompanying drawing is as follows: 1, be buffered into trachea, 2, coal dust accumulation chamber, 3, pulverized coal concentrator, 4,
Pulverized coal conveying pipe, 5, burning torch, 6, First air deferent, the 7, first cyclone, 8, surrounding air deferent, 9,
Second cyclone, 10, vaporizer, 11, pressure sensing actuator, 12, temperature sensor, 13, triangle
Blunt piece.
Detailed description of the invention
Below in conjunction with embodiment, detailed description of the invention of the present utility model is described in further detail.Below
Embodiment is used for illustrating this utility model, but is not limited to scope of the present utility model.
See Fig. 1, a kind of cyclone gasification burning premixed combustion described in this utility model one preferred embodiment
Device, First air deferent 6, oxygen-rich coal dust premix barrel and gas gasifier；Described oxygen-rich coal dust premix barrel is arranged on
In described First air deferent 6, coaxial with described First air deferent 6；Described First air deferent 6 includes cross section
It is shaped as trapezoidal coal dust chamber and cross sectional shape is square coal dust combustion gas mixing chamber, in described coal dust chamber and institute
State and between coal dust combustion gas mixing chamber, be provided with the first cyclone 7, be provided with before described coal dust combustion gas mixing chamber
Second cyclone 9, described first cyclone 7 and the swirl vane in described second cyclone 9 are turbine type circle
All annular array.Triangle also it is equiped with blunt piece 13 outside described second cyclone 9.Described gas gasifier bag
Including vaporizer 10, the outside of described vaporizer 10 is coated with electric heating layer, and described gas gasifier also includes
Pressure sensing actuator 11 and temperature sensor 12, described pressure sensing actuator 11 and described temperature sensing
Device 12 is arranged on the pipeline of described vaporizer 10 and described First air deferent 6.
Described oxygen-rich coal dust premix barrel includes being buffered into trachea 1, coal dust accumulation chamber 2, pulverized coal concentrator 3 successively
And pulverized coal conveying pipe 4, it is trapezoidal that described coal dust accumulation chamber 2 and described pulverized coal concentrator 3 are all cross sectional shape
Reducing pipe.
Outside described first wind channel tube, it is arranged with surrounding air deferent 8, in surrounding air deferent 8, is passed through surrounding air, fall
The low ignition temperature of combustion zone, extends the service life of equipment.
Work process of the present utility model is as follows:
The mixed gas of oxygen and coal dust is passed through successively and is buffered into trachea 1, coal dust accumulation chamber 2, pulverized coal concentrator
3 one-level coal dust motion pipes, coal dust is via forming the coal that concentration is higher after coal dust accumulation chamber 2 and pulverized coal concentrator 3
Powder, after be passed through First air by First air deferent 6, drive coal dust oxygen-rich mixture body by the first cyclone 7
Enter in the coal dust combustion gas mixing chamber of First air deferent 6, the vaporizer 10 in gas gasifier is passed through liquid
Combustion gas, forms gasification after electric heating layer heats, is passed through in coal dust combustion gas mixing chamber, burning torch 5 lights
Mixed gas, First air continues to drive the mixed gas lighted by the second cyclone 9 inlet channel and First air
In the combustion zone that deferent 6 connects, the second cyclone 9 produces partial reflux, makes burning more abundant, burning
Device flameholding, nitrogen oxide emission substantially reduces.
The above is only preferred implementation of the present utility model, is not limited to this utility model, should
When pointing out, for those skilled in the art, without departing from this utility model know-why
On the premise of, it is also possible to making some improvement and modification, these improve and modification also should be regarded as this utility model
Protection domain.
Claims (6)
1. a cyclone gasification burning premix burner, it is characterised in that First air deferent, oxygen-rich coal dust premix barrel and gas gasifier；Described oxygen-rich coal dust premix barrel is arranged in described First air deferent, coaxial with described First air deferent；Described First air deferent includes that cross sectional shape is trapezoidal coal dust chamber and cross sectional shape is square coal dust combustion gas mixing chamber, between described coal dust chamber and described coal dust combustion gas mixing chamber, it is provided with the first cyclone, before described coal dust combustion gas mixing chamber, is provided with the second cyclone；Described gas gasifier includes that vaporizer, the outside of described vaporizer are coated with electric heating layer.
Cyclone gasification burning premix burner the most according to claim 1, it is characterized in that, described gas gasifier also includes pressure sensing actuator and temperature sensor, and described pressure sensing actuator and described temperature sensor are arranged on the pipeline of described vaporizer and described First air deferent.
Cyclone gasification burning premix burner the most according to claim 1, it is characterized in that, described oxygen-rich coal dust premix barrel includes being buffered into trachea, coal dust accumulation chamber, pulverized coal concentrator and pulverized coal conveying pipe successively, and it is trapezoidal reducing pipe that described coal dust accumulation chamber and described pulverized coal concentrator are all cross sectional shape.
Cyclone gasification burning premix burner the most according to claim 1, it is characterised in that be also equiped with blunt piece of triangle outside described second cyclone.
Cyclone gasification burning premix burner the most according to claim 1, it is characterised in that be arranged with surrounding air deferent outside described First air deferent.
Cyclone gasification burning premix burner the most according to claim 1, it is characterised in that described first cyclone and the swirl vane in described second cyclone are the arrangement of turbine type peripheral annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454671.XU CN205782858U (en) | 2016-05-18 | 2016-05-18 | A kind of cyclone gasification burning premix burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454671.XU CN205782858U (en) | 2016-05-18 | 2016-05-18 | A kind of cyclone gasification burning premix burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205782858U true CN205782858U (en) | 2016-12-07 |
Family
ID=58118741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620454671.XU Expired - Fee Related CN205782858U (en) | 2016-05-18 | 2016-05-18 | A kind of cyclone gasification burning premix burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205782858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360544A (en) * | 2019-08-09 | 2019-10-22 | 郑州釜鼎热能技术有限公司 | A kind of low nitrogen combustion apparatus of coal dust gasification and Staged Premixed Combustion |
| CN110848991A (en) * | 2019-11-27 | 2020-02-28 | 江苏信燃智控科技有限公司 | High blast furnace gas boiler ignition of security |
-
2016
- 2016-05-18 CN CN201620454671.XU patent/CN205782858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360544A (en) * | 2019-08-09 | 2019-10-22 | 郑州釜鼎热能技术有限公司 | A kind of low nitrogen combustion apparatus of coal dust gasification and Staged Premixed Combustion |
| CN110848991A (en) * | 2019-11-27 | 2020-02-28 | 江苏信燃智控科技有限公司 | High blast furnace gas boiler ignition of security |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |