CN2881368Y - Multipurpose burner - Google Patents
Multipurpose burner Download PDFInfo
- Publication number
- CN2881368Y CN2881368Y CN 200620055624 CN200620055624U CN2881368Y CN 2881368 Y CN2881368 Y CN 2881368Y CN 200620055624 CN200620055624 CN 200620055624 CN 200620055624 U CN200620055624 U CN 200620055624U CN 2881368 Y CN2881368 Y CN 2881368Y
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- China
- Prior art keywords
- combustion
- supporting gas
- gas passage
- blast tube
- gas
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- Expired - Fee Related
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Abstract
The utility model discloses a multipurpose burner which comprises an oil channel, a gas channel and a combustion air channel at least, the gas channel and the combustion air channel are arranged around the oil channel, a partition is arranged among the oil channel, the gas channel and the combustion air channel respectively, the gas channel and the combustion air channel respectively form the circular channels with different sizes.
Description
Technical field
The utility model relates to a kind of Thermal Equipment, especially a kind of multi-purpose burner of the pluralities of fuel that can burn.
Background technology
At present, along with the raising of environmental requirement, the use of oil-burning gas-fired boiler is increasingly extensive.Employed fuel is mainly heavy oil, natural gas or town gas.Wherein, heavy oil and the extensive use of natural gas dual burner, but heavy oil, natural gas, town gas multi-purpose burner also do not appear.Its main cause is that town gas is compared with natural gas, and its calorific value is low, and the calorific value of general natural gas is greatly about 8100Kcal/Nm
3About, and the calorific value of town gas has only 2500Kcal/Nm
3The supply gas pressure of town gas is lower, is difficult to use on common neat gas burner.
A kind of neat gas burner that is disclosed for CN95219811.8 number as Chinese patent, it comprises main air intake, be positioned at the fuel nozzle between main air intake and injector, injector, the burner of injector front end, be sleeved on the secondary air register on the injector, it is characterized in that: it is identical and become the spray orifice at inclination angle with end face that fuel nozzle has rotation direction, secondary air register has a plurality of slidingtype air-vents of regulating aperture, each air-vent all becomes certain injection inclination angle and rotation direction identical with the secondary air register sidewall, cyclone is equipped with in outlet at induction tunnel, is fixing a convex on the inboard wall of burner hearth of burner front end or is being similar to the steady flame bluff body of protruded object.But this neat gas burner only is suitable for gas-firing, is unsuitable for the town gas that combustion heat value is lower, supply gas pressure is less.
And for example the Chinese patent a kind of oil field of being disclosed for CN02206946.1 number is with the automatic low pressure natural gas burner of heating furnace gravity-flow ventilation, include burner, it is characterized in that: burner has cylindrical shape nozzles housing, front end has a plurality of and axis angle folder β is 15 ° of-30 ° of rectangle inclined hole spray orifices, and spray orifice back inwall is provided with a stable flame piece; The rear end has along the rectangular air inlet of circumference, and the termination connects the end socket of an external diameter greater than nozzles housing external diameter; At nozzles housing periphery suit front end and axis angle β is 15 ° of-30 ° of cones, and the chuck that rear end cylindrical shape and termination circularize is connected to fuel gas inlet in circle wall bottom, chuck rear end; Outside suit of chuck front end and axis angle α are 20 ° of-40 ° of taper air guiding sleeves, an ignitor frame is adorned in the preceding outside of air guiding sleeve cone, the rear end is a flange-like, transfers windshield plate to be connected by the secondary air plate and the secondary that have elongated hole, is fixed on the chuck outer circle wall; In secondary air plate outside adjusting rod is housed, has the secondary air regulating board of slot; Chuck back nozzles housing outer wall fixedly ring-type once transfer windshield plate, adjusting rod is housed once transferring between wind plate washer and end socket, have an air regulating board of an air regulating port of slot.But complex structure, the manufacturing cost of this neat gas burner are higher, and this burner can be fuel with the natural gas only.
Therefore, provide a kind of novel heavy oil, natural gas, town gas multi-purpose burner to become the problem that industry need solve at present.
Summary of the invention
The purpose of this utility model provides a kind of efficiency of combustion burner of using high, flame stabilization more.
The technical solution of the utility model is achieved in that a kind of multi-purpose burner, it comprises at least one fuel gallery, at least one blast tube and at least one combustion-supporting gas passage, it is characterized in that: blast tube and combustion-supporting gas passage all are provided with around the fuel gallery, isolate mutually respectively between fuel gallery, blast tube and the combustion-supporting gas passage, blast tube and combustion-supporting gas passage form the annular canister road that varies in size respectively.
Wherein, can be that one or more blast tube next-door neighbour fuel gallery is provided with, one or more combustion-supporting gas passage is arranged on the periphery of blast tube.Perhaps, one or more combustion-supporting gas passage next-door neighbour fuel gallery is provided with, and one or more blast tube is arranged on the periphery of combustion-supporting gas passage.Perhaps, the combustion-supporting gas passage comprises two, and blast tube comprises one, and blast tube is arranged between two combustion-supporting gas passages.Perhaps, blast tube and combustion-supporting gas passage include two or more, and blast tube and combustion-supporting gas passage carry out layout at interval.Perhaps, blast tube comprises one, and the combustion-supporting gas passage comprises three, one of them combustion-supporting gas passage next-door neighbour fuel gallery, blast tube is arranged on the periphery of one of them combustion-supporting gas passage, and two other combustion-supporting gas passage is successively set on the periphery of blast tube.
Further, an end of contiguous its outlet of combustion-supporting gas passage be provided with the flow-disturbing impeller so that according to actual needs the flexible modulation air quantity to obtain suitable swirl strength.End at contiguous its inlet of combustion-supporting gas passage is provided with air channel barrier.Near in two combustion-supporting gas passages of fuel gallery the flow-disturbing impeller is being set.Wherein Wai Wei one or more combustion-supporting gas passage can not be provided with the flow-disturbing impeller to reach the purpose of fixing flame profile and overheavy firing.
Wherein, this multi-purpose burner further comprises an igniting device, is used to carry the oil gun of fuel oil such as electronic ignition device and.Fuel oil includes, but are not limited to heavy oil.Combustion gas comprises natural gas or town gas.Combustion-supporting gas can be that air also can be oxygen containing gas.
The beneficial effects of the utility model are: the structure that adopts blast tube and combustion-supporting gas channel spacing to arrange, and combustion gas is flowed out separately in the annular canister road, its flow resistance is very little, is particularly suitable for the low town gas of supply gas pressure.Simultaneously, adopt the flow-disturbing impeller that combustion-supporting gas is rotated, thereby combustion gas and combustion-supporting gas are fully mixed, the flame holding height, noise is little.
Below in conjunction with embodiment, further specify the utility model, but the utility model is not limited to these embodiment, any on the utility model essence spirit improvement or substitute, still belong to scope required for protection in the utility model claims.
Below in conjunction with drawings and Examples the utility model is further described.
Description of drawings
Fig. 1 is the side sectional view of multi-purpose burner of the present utility model.
The specific embodiment
Embodiment 1
Figure 1 shows that a kind of specific embodiment of the utility model multi-purpose burner, can be according to user's demand optionally combusting heavy oil, natural gas, three kinds of different fuel of town gas.It comprises oil gun 10, igniter 20, blast tube 30, combustion-supporting gas passage 40, flow-disturbing impeller 50, air channel barrier 60.
Igniter 20 is used to the burner igniting, and it includes, but are not limited to ignition.
Blast tube 30 front ends are provided with fuel gas inlet 304, and end is provided with gas outlet 306.
In the present embodiment, blast tube 30 comprises one, and combustion-supporting gas passage 40 comprises three, is respectively combustion-supporting gas passage 41,42,43.Wherein, combustion-supporting gas passage 41 next-door neighbour's oil guns 10, combustion-supporting gas passage 42,43 is away from oil gun 10, and blast tube 30 is arranged between combustion-supporting gas passage 41 and the combustion-supporting gas passage 42.Wherein, the shape of combustion-supporting gas passage 43 is slightly different with combustion-supporting gas passage 41,42, and its front end aperture is bigger, and the aperture, rear end is less.
The front end of combustion-supporting gas passage 41,42,43 comprises a gas access 414,424,434 respectively, and end is respectively equipped with a gas vent 416,426,436.Be equiped with the air channel barrier 60 that is used to regulate air mass flow near three gas accesses 414,424,434 respectively, the flexible modulation air mass flow is to obtain suitable swirl strength according to actual needs.Near two gas vents 416,426, be equiped with flow-disturbing impeller 50 respectively, with so that the combustion-supporting gases in this combustion-supporting gas passage 41,42 rotate ejection from this gas vent 416,426, thereby can and be mixed in fully mixing between the gas vent 416,426, make burning more fully more stable from the combustion gas of gas outlet 306 outflows or the fuel oil that sprays from oil gun 10.And flow-disturbing impeller 50 is not set near the gas vent 436 of combustion-supporting gas passage 43, and be that direct current penetrates then from gas vent 436 effluent airs, can play the purpose of fixing flame profile and overheavy firing like this.
During use, as the case may be, being that fuel is then closed blast tube 30 if select fuel oil, is that fuel is then closed oil gun 10 if select natural gas or town gas.
In the utility model, owing to blast tube 30 ejections of combustion gas via independent annulus tube road, its flow resistance is very little, is particularly suitable for the low town gas of supply gas pressure.And the flow-disturbing impeller 50 that is arranged at combustion-supporting gas passage 41,42 can make the air in the pipeline produce rotation, and the air-flow of rotation radially has bigger kinetic energy, can be effectively and combustion gas mixing, improve efficiency of combustion, and efficiency of combustion is reached more than 99.6%.Because combustion gas is clipped in the middle ejection of the air of two-layer rotation, mix strongly in addition, so the effect of gas-firing is also fine, noise is also smaller.Flow-disturbing impeller 50 is not set on the combustion-supporting gas passage 43, and the air in it penetrates from air outlet slit 436 direct currents, can play the effect of fixing flame profile and overheavy firing, and the assurance flame stabilization, no tempering, takes off fiery phenomenon.
Embodiment 2
As another kind of embodiment of the present utility model, can adopt a blast tube 30 next-door neighbour fuel galleries (such as oil gun 10) to be provided with, a combustion-supporting gas passage 40 is arranged on the periphery of blast tube 30.Perhaps, adopt a combustion-supporting gas passage 40 next-door neighbour fuel galleries to be provided with, and blast tube 30 is arranged on the periphery of combustion-supporting gas passage.
Can also adopt 40, one blast tubes 30 of two combustion-supporting gas passages, blast tube 30 is arranged between two combustion-supporting gas passages 40.
Perhaps, blast tube 30 includes two or more with combustion-supporting gas passage 40, blast tube 30 and combustion-supporting gas passage 40 can carry out clocklike at interval layout or mixed and disorderly interlaced arrangement.
Can be provided with also in the above-mentioned combustion-supporting gas passage 40 flow-disturbing impeller 50 and/or air channel barrier 60 can be set.
Fuel oil includes, but are not limited to heavy oil.Combustion gas comprises natural gas or town gas.Combustion-supporting gas can be that air also can be other oxygen-containing gas.
Claims (10)
1, a kind of multi-purpose burner, comprise at least one fuel gallery, at least one blast tube and at least one combustion-supporting gas passage, it is characterized in that: described blast tube and described combustion-supporting gas passage all are provided with around described fuel gallery, isolate mutually respectively between described fuel gallery, described blast tube and the described combustion-supporting gas passage, described blast tube and described combustion-supporting gas passage form the annular canister road that varies in size respectively.
2, multi-purpose burner as claimed in claim 1 is characterized in that: described blast tube is close to described fuel gallery and is provided with, and described combustion-supporting gas passage is arranged on the periphery of described blast tube.
3, multi-purpose burner as claimed in claim 1 is characterized in that: described combustion-supporting gas passage is close to described fuel gallery and is provided with, and described blast tube is arranged on the periphery of described combustion-supporting gas passage.
4, multi-purpose burner as claimed in claim 1 is characterized in that: described combustion-supporting gas passage comprises two, and described blast tube comprises one, and described blast tube is arranged between two described combustion-supporting gas passages.
5, multi-purpose burner as claimed in claim 1, it is characterized in that: described blast tube and described combustion-supporting gas passage include two or more, and described blast tube and described combustion-supporting gas passage carry out layout at interval, and one of them described blast tube or one of them described combustion-supporting gas passage are close to described fuel gallery.
6, multi-purpose burner as claimed in claim 1 is characterized in that: an end of contiguous its outlet of one of them described combustion-supporting gas passage is provided with the flow-disturbing impeller.
7, multi-purpose burner as claimed in claim 1 is characterized in that: an end of contiguous its inlet of one of them described combustion-supporting gas passage is provided with air channel barrier.
8, multi-purpose burner as claimed in claim 1, it is characterized in that: described blast tube comprises one, described combustion-supporting gas passage comprises three, one of them described combustion-supporting gas passage is close to described fuel gallery, described blast tube is arranged on the periphery of described one of them combustion-supporting gas passage, and two other described combustion-supporting gas passage is arranged on the periphery of described blast tube.
9, multi-purpose burner as claimed in claim 8, it is characterized in that: an end of contiguous its inlet of described three combustion-supporting gas passages is provided with air channel barrier, and two described combustion-supporting gas passages of close described fuel gallery are provided with the flow-disturbing impeller at an end of contiguous its outlet.
10, multi-purpose burner as claimed in claim 1 is characterized in that: this multi-purpose burner further comprises an igniting device, and described fuel gallery comprises an oil gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055624 CN2881368Y (en) | 2006-03-01 | 2006-03-01 | Multipurpose burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055624 CN2881368Y (en) | 2006-03-01 | 2006-03-01 | Multipurpose burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881368Y true CN2881368Y (en) | 2007-03-21 |
Family
ID=37881208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620055624 Expired - Fee Related CN2881368Y (en) | 2006-03-01 | 2006-03-01 | Multipurpose burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2881368Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434879A (en) * | 2011-12-08 | 2012-05-02 | 黄成源 | Fireplace combustion device |
| CN104235877A (en) * | 2014-09-05 | 2014-12-24 | 南京工程学院 | Gas burner for pulverized coal boiler and control method thereof |
| CN110160050A (en) * | 2019-06-05 | 2019-08-23 | 中国矿业大学 | A kind of biomass gasified gas and coal dust cofiring low NO |
-
2006
- 2006-03-01 CN CN 200620055624 patent/CN2881368Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434879A (en) * | 2011-12-08 | 2012-05-02 | 黄成源 | Fireplace combustion device |
| CN104235877A (en) * | 2014-09-05 | 2014-12-24 | 南京工程学院 | Gas burner for pulverized coal boiler and control method thereof |
| CN104235877B (en) * | 2014-09-05 | 2016-06-01 | 南京工程学院 | A kind of pulverized coal firing boiler gas burner and control method thereof |
| CN110160050A (en) * | 2019-06-05 | 2019-08-23 | 中国矿业大学 | A kind of biomass gasified gas and coal dust cofiring low NO |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |