CN202884929U - Serrated gas burner - Google Patents
Serrated gas burner Download PDFInfo
- Publication number
- CN202884929U CN202884929U CN 201220598635 CN201220598635U CN202884929U CN 202884929 U CN202884929 U CN 202884929U CN 201220598635 CN201220598635 CN 201220598635 CN 201220598635 U CN201220598635 U CN 201220598635U CN 202884929 U CN202884929 U CN 202884929U
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- China
- Prior art keywords
- gas
- zigzag
- conical
- gas nozzle
- spout
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Abstract
Disclosed is a serrated gas burner. A conical gas nozzle is arranged at the internal center of a spout, air distribution blades are circumferentially arranged between the spout and the conical gas nozzle, a serrated flame holder is arranged on the periphery of a cone of the conical gas nozzle, a gas spray hole is arranged on the conical gas nozzle, gas enters the conical gas nozzle and is sprayed from the gas spray hole, gas distributed air enters an annular channel between the spout and the conical gas nozzle, swirling distributed air is generated by the air distribution blades with angles, the gas and the swirling distributed air are strongly mixed at the front end of the spout and are ignited by an ignition device, and the serrated gas burner has the advantage of preventing flame blow-off, tempering and extinction.
Description
Technical field
The utility model relates to a kind of gas burner, particularly a kind of zigzag gas burner.
Background technology
The gas burner of at present domestic industry boiler and station boiler use, there is not steady flame device in some design, some is designed with steady flame device, but because its structural design is bad, in running because the impact of the extraneous factors such as gaseous-pressure fluctuation and outer gas stream disturbance, it is unstable easily to produce combustion flame, and the problem of flame lifting, tempering, fire extinguishing affects the stable operation of gas burner.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of zigzag gas burner, can make combustion flame stable, guarantees gas burner stable operation, has the advantages that to prevent flame lifting, tempering and fire extinguishing.
To achieve these goals, the technical solution adopted in the utility model is: a kind of zigzag gas burner, formed by spout, conical gas nozzle, the steady flame body of zigzag, air distribution blade, the spout inside center is provided with conical gas nozzle, between spout and conical gas nozzle, be circumferentially with air distribution blade, conical gas nozzle circular cone be circumferentially with the steady flame body of zigzag, conical gas nozzle is provided with gas jet orifice.
Described spout is the cylindrical tube that heat-resisting steel material is made.
Described conical gas nozzle is the heat-resisting steel material manufacturing, conical gas nozzle leading portion be one with the cone of certain taper, back segment is a cylindrical tube.
Be provided with ringwise at least two circle gas jet orifices on the described conical gas nozzle.
The diameter of phi of described gas jet orifice is 3～10mm.
The gross area of described single burner gas jet orifice accounts for 5～10% of the nozzle gross area.
The steady flame body of described zigzag is the heat-resisting steel material manufacturing, is distributed in the circumferential of circular cone, and its zigzag large I is decided according to the concrete occasion of using.
Described air distribution blade is the heat-resisting steel material manufacturing, circumferentially is distributed between spout and the conical gas nozzle, and air distribution blade is provided with angle at axis direction, and angle is 0～45 °.
The utlity model has following advantage:
1) adopt the steady flame body structure of zigzag, this is the design feature of this gas burner key, and air draught formation recirculating zone and low regime by steady flame body can guarantee that burner catches fire and flameholding.
Zigzag structure guarantees that on the one hand combustion gas is caught fire, combustion stability in addition, can make on the other hand that air in time mixes with combustion gas, oxygenating and burning.Gas burner with the steady flame body structure of zigzag is tested at 400t/h pulverized-coal fired boiler, 220t/h pulverized-coal fired boiler and 75t/h CFBB, prove that this burner has very strong adaptability to pressure, the kind of combustion gas, catch fire and flameholding, efficiency of combustion is high.
2) adopted suitable gas jet orifice diameter, spray orifice arrangement and nozzle hole area and gas nozzle Area Ratio, guaranteed that namely the rigidity of air-flow and penetration power guarantee again to mix between combustion gas and the air and suitable blending space.The gross area of single burner fuel gas hole accounts for 5～10% of the nozzle gross area, the gas jet orifice diameter is Φ 3～Φ 10, being increase from conical gas nozzle 2 radial direction (towards center of circle direction) injection diameter arranges, general layout 2～4 is enclosed gas jet orifices, and is arranged in the back at the high-end place of the steady flame body of zigzag.
3) adopt suitable gaseous-pressure, adopt suitable combustion gas initial velocity, guarantee that so namely combustion gas is caught fire and metastable gas is qualitative, take into account the air-flow rigidity and mix intensity, guarantee simultaneously the security of fuel gas buring, prevent tempering.General gas rated pressure is 0.03～0.07Mpa, and the initial velocity of gas jet orifice is 150～250m/s.
4) adopt suitable air distribution wind speed and air register, suitable air velocity mixes for catching fire of combustion gas and burns extremely important, air register is used for adjusting the spin intensity of air draught, the mixing of control air and combustion gas, burning, length, the diameter of adjusting flame, the air distribution wind speed is generally got 20～40m/s, air register adopts axial blade, by adjusting sharf to angle, regulate flow rotation intensity and flame profile, axially angle is generally 0～45 °.
Description of drawings
Accompanying drawing is the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are described in further detail.
Referring to accompanying drawing, a kind of gas burner with the steady flame body of zigzag, formed by spout 1, conical gas nozzle 2, the steady flame body 3 of zigzag, air distribution blade 4, spout 1 inside center is provided with conical gas nozzle 2, between spout 1 and conical gas nozzle 2, be circumferentially with air distribution blade 4, conical gas nozzle 2 circular cones be circumferentially with the steady flame body 3 of zigzag, conical gas nozzle 2 is provided with gas jet orifice 5.Spout 1 adopts the heat resisting steel manufacturing, is a cylindrical tube; Conical gas nozzle 2 adopts the heat-resisting steel material manufacturings, and leading portion is one, and back segment is a cylindrical tube with the cone of certain taper, at the cone conical surface 2～4 circle gas jet orifices 5 that are circular layout; The steady flame body of zigzag 3 adopts the heat resisting steel manufacturings, and the steady flame body of zigzag is circumferentially uniform along the cone of conical gas nozzle 2, and overlaps with gas jet orifice longitudinal axis on the conical gas nozzle 2; Air distribution blade 4 is the heat-resisting steel material manufacturing, circumferentially is distributed between spout 1 and the conical gas nozzle 2.Air distribution blade 4 is designed with angle at axis direction.
Operation principle of the present utility model is:
When the combustion gas with certain pressure enters conical gas nozzle 2, combustion gas will be with gas jet orifice 5 ejections from conical gas nozzle 2 conical surfaces of the speed of 150～250m/s, the combustion gas air distribution enters the circular passage between spout 1 and the conical gas nozzle 2, and by being with angled air distribution blade 4 to produce the eddy flow air distribution, strongly mix the sparking of chance igniter at the combustion gas of spout front end and eddy flow air distribution, combustion gas is by ignition combustion, air draught forms recirculating zone and low regime during the steady flame body of eddy flow air distribution process zigzag, has guaranteed catching fire and flameholding of burner.
Claims (8)
1. zigzag gas burner, formed by spout (1), conical gas nozzle (2), the steady flame body of zigzag (3), air distribution blade (4), it is characterized in that, spout (1) center is provided with conical gas nozzle (2), between spout (1) and conical gas nozzle (2), be circumferentially with air distribution blade (4), conical gas nozzle (2) be circumferentially with the steady flame body of zigzag (3), conical gas nozzle (2) is provided with gas jet orifice (5).
2. a kind of zigzag gas burner according to claim 1 is characterized in that, described spout (1) is cylindrical tube, and it adopts heat-resisting steel material to make.
3. a kind of zigzag gas burner according to claim 1, it is characterized in that, described conical gas nozzle (2) leading portion is one, and back segment is a cylindrical tube with the cone of certain taper, and conical gas nozzle (2) adopts heat-resisting steel material to make.
4. a kind of zigzag gas burner according to claim 1 is characterized in that, is provided with ringwise at least two circle gas jet orifices (5) on the described conical gas nozzle (2).
5. a kind of zigzag gas burner according to claim 1 is characterized in that, the gross area of described gas jet orifice (5) accounts for 5～10% of the nozzle gross area,
6. a kind of zigzag gas burner according to claim 1 or 5 is characterized in that the diameter of phi of described gas jet orifice 5 is 3～10mm.
7. a kind of zigzag gas burner according to claim 1 is characterized in that, the steady flame body of described zigzag (3) is distributed in the circumferential of circular cone, and the steady flame body of zigzag (3) adopts heat-resisting steel material to make.
8. a kind of zigzag gas burner according to claim 1, it is characterized in that, described air distribution blade (4) circumferentially is distributed between spout (1) and the conical gas nozzle (2), air distribution blade (4) has angle with axis designs, angle is 0～45 °, and air distribution blade (4) adopts heat-resisting steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220598635 CN202884929U (en) | 2012-11-14 | 2012-11-14 | Serrated gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220598635 CN202884929U (en) | 2012-11-14 | 2012-11-14 | Serrated gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884929U true CN202884929U (en) | 2013-04-17 |
Family
ID=48076353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220598635 Expired - Lifetime CN202884929U (en) | 2012-11-14 | 2012-11-14 | Serrated gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678803A (en) * | 2014-04-25 | 2017-05-17 | 爱烙达股份有限公司 | Head of gas heat gun |
| CN106989391A (en) * | 2017-05-11 | 2017-07-28 | 王夏飞 | Biomass gas burner |
-
2012
- 2012-11-14 CN CN 201220598635 patent/CN202884929U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678803A (en) * | 2014-04-25 | 2017-05-17 | 爱烙达股份有限公司 | Head of gas heat gun |
| CN106678803B (en) * | 2014-04-25 | 2019-01-08 | 爱烙达股份有限公司 | The pipette tips of gas hot air gun |
| CN106989391A (en) * | 2017-05-11 | 2017-07-28 | 王夏飞 | Biomass gas burner |
| CN106989391B (en) * | 2017-05-11 | 2023-09-29 | 王夏飞 | Biomass gas burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220426 Address after: Room 21905, unit 2, building 1, zhangbayi Road, Zhangba street, high tech Zone, Xi'an, Shaanxi Province Patentee after: Xi'an Tianda Yingke Thermal Engineering Technology Co.,Ltd. Address before: 710000 No. 10, miqin Road, Chanhe Economic Development Zone, Baqiao District, Xi'an City, Shaanxi Province Patentee before: XI'AN TIANLI ENERGY ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |