CN2370279Y - Low pressure vortex oil burning atomizing spray nozzle - Google Patents
Low pressure vortex oil burning atomizing spray nozzle Download PDFInfo
- Publication number
- CN2370279Y CN2370279Y CN 99223793 CN99223793U CN2370279Y CN 2370279 Y CN2370279 Y CN 2370279Y CN 99223793 CN99223793 CN 99223793 CN 99223793 U CN99223793 U CN 99223793U CN 2370279 Y CN2370279 Y CN 2370279Y
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- CN
- China
- Prior art keywords
- shower nozzle
- fuel
- hole
- trunnion
- housing
- 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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- Nozzles For Spraying Of Liquid Fuel (AREA)
Abstract
The utility model provides a low pressure vortex oil burning atomizing spray nozzle, comprising a sprayer, a case body, a back cover, an air inlet pipe and an oil inlet pipe. An atomization throat is arranged in the case body. The throat is provided with an oil inlet hole. The connecting part of the inlet and the oil inlet pipe is provided with a rotational flow device. The outlet is in a trumpet shape. The surrounding of the back side of the outlet is provided a plurality of air outlet holes. The front end of the throat is also in the trumpet shape. The bottom is connected with the oil inlet hole and the air inlet holes. The air inlet pipe is connected with a ring cavity. The spraying nozzle has the advantages of simple, safety, and energy-saving. The low pressure rotational flow atomization principle of the front oil and the back air is adopted. The fuel with higher viscosity can be sufficiently burned without black smoke, coke zones and tempering. The low pressure vortex oil burning atomizing spray nozzle is good for environmental protection.
Description
The utility model belongs to burner, relates in particular to low pressure eddy flow fuel atomizer.
The igniting of present various Industrial Stoves and firepower power station, steady combustion, combustion-supporting employed burner generally all adopt the high-pressure atomization supply mode, the desired safety coefficient of high voltage supply is very high, be difficult to satisfying field requirement, and on-the-spot no high pressure facility person can't use.In addition, the high-pressure atomization poor effect, oil inflame is insufficient, and the discharge of poisonous waste amount is higher, both wastes energy, again contaminated environment.
The purpose of this utility model is to provide a kind of atomizing effect good, can utilize low-pressure gas source to do the low pressure eddy flow fuel atomizer of atomizing medium.
The utility model is to realize like this, this low pressure eddy flow fuel atomizer is by shower nozzle, housing, bonnet, air inlet pipe and oil inlet pipe are formed, be equipped with an atomizing trunnion in the housing behind shower nozzle, along a fuel feed hole is arranged on the longitudinal center line of this trunnion, the inlet of fuel feed hole is funnel-form, link to each other with oil inlet pipe, there is a swirl-flow devices junction, the outlet of fuel feed hole is bell mouth shape, several and its at an angle air admission hole is arranged around fuel feed hole, the outlet of air admission hole is at the rear side of fuel feed hole outlet, and the front end of atomizing trunnion also is bell mouth shape, and its bottom communicates with fuel feed hole and air admission hole, oral area communicates with the mixing chamber of shower nozzle, air inlet pipe is connected on the housing, and the ring cavity outer with the atomizing trunnion communicates, and bonnet is positioned on the rear end of housing.Also can be equipped with sealing nut and fuel strainer in the bonnet outer end.
The shower nozzle of this fuel atomizer can be closed shower nozzle or open shower nozzle.The front portion of closed shower nozzle is hemispherical, and be furnished with several become certain angle of inclination with axis spray orifice, spray orifice can have 10-20, be funnel-form, be circumferential and equidistantly distribute, its aperture is 1.0-4.0mm, and middle hole is offered along axis, other hole becomes 40-60 degree subtended angle vertically with axis, and the suitable or 25-45 degree angle that counterclockwise tilts.There is an open type burning cover front portion of open shower nozzle, has several apertures on the cover body.
Described shower nozzle and housing and bonnet all pass through screw thread with housing fixedlys connected, and the flange of the anterior outer surface of atomizing trunnion is fixed between housing and the shower nozzle.Described swirl-flow devices is the platy structure that has aperture, and the quantity in hole is 2-4, and the aperture is 2.0-4.0mm, becomes 40-60 degree subtended angle vertically with axis, and the suitable or 35-45 degree angle that counterclockwise tilts.The front portion of atomizing trunnion also can be provided with auxiliary inlet port, and air admission hole and auxiliary inlet port are funnel-form, establishes 4-12 altogether, being circumferential equidistantly distributes, its aperture is 1.5-3.0mm, becomes 60-90 degree subtended angle vertically with axis, and the suitable or 25-45 degree angle that counterclockwise tilts.Described fuel feed hole aperture is 1.0-5.0mm.
The utility model adopts the low pressure swirling flow atomizing principle behind the preceding gas of oil, make two fluids form vapor state with low pressure eddy flow form, the bigger fuel oil of various viscosity can burn, as coal tar, heavy oil, residual oil and diesel oil etc., also incendivity coke-stove gas, natural gas and liquefied gas etc., and sufficient combustion, no black smoke, flame stabilization, upright and outspoken, strong, noncoking, not tempering.The utility model is simple in structure, easy and simple to handle, safe in utilization, good energy-conserving effect; reduced the emission of harmful substances amount effectively; be of value to environmental protection; oil supply system has overcome all drawbacks of using the high-pressure atomization medium to be brought by the low pressure atomizing operation of original 1.5-4.0 high pressure drop to 0.1-0.5.
Accompanying drawing 1 is the cutaway view of the utility model fuel atomizer.
Accompanying drawing 2 is the structural representation of the closed shower nozzle of the utility model fuel atomizer.
Accompanying drawing 3 is the structural representation of the open shower nozzle of the utility model fuel atomizer.
The utility model fuel atomizer is further described by embodiment below in conjunction with accompanying drawing.
Can see that from accompanying drawing 1 the utility model fuel atomizer mainly is made up of shower nozzle 2 or 15, shell 8, atomizing trunnion 5, bonnet 10, oil inlet pipe 13, air inlet pipe 9 and swirl-flow devices 7.Shower nozzle 2 or 15 is connected with housing 8 by screw thread, be equipped with an atomizing trunnion 5 in the inside of housing 8, outer surface in atomizing trunnion 5 front portions has a circle flange 3, be stuck in the thread groove of shower nozzle 2 or 15 rear ends, fix this trunnion 5, along opening a fuel feed hole 14 on the longitudinal center line of trunnion 5, the inlet of fuel feed hole 14 is a funnel-form, outlet is bell mouth shape, the rear end of trunnion 5 also is that the inlet of fuel feed hole links to each other with oil inlet pipe 13 by screw thread, the junction is equipped with a swirl-flow devices 7, swirl-flow devices 7 is for having the platy structure of inclined hole, several and its at an angle air admission hole 6 is arranged around fuel feed hole 14, and air admission hole 6 is a funnel-form, and its outlet is positioned at the rear side of the outlet of fuel feed hole 14, and aim at its outlet, the front end of atomizing trunnion 5 is bell mouth shape, and bell-mouthed peristome also is interior with the inner chamber of shower nozzle 2 or 15 or outer mixing chamber communicates, and its bottom communicates with fuel feed hole 14 and air admission hole 6.Like this, gas enters ring thorax in the housing 8 from air inlet pipe 9, and the horn mouth that enters atomizing trunnion 5 by air admission hole 6 also is the oil gas spray chamber, fuel oil is behind oil inlet pipe 13 process swirl-flow devices 7, entering fuel feed hole 14, from the outlet of fuel feed hole 14, also is that the oil atomization horn mouth enters the oil gas spray chamber.Because the flow velocity of air-flow is greater than the flow velocity of oil stream, and blow oil back to front by a plurality of directions, the mode of utilizing air-flow to shear atomizes oil once more, then through mixing chamber ejection burning.
Shower nozzle of the present utility model is divided into closed (interior mixed mode) and open (mix outward mode) two kinds (seeing also accompanying drawing 2 and 3), all is provided with loading and unloading on the shower nozzle with pulling mouth, can select different shower nozzles for use according to combustion requirements.The front portion of closed shower nozzle 2 is hemispherical, on hemispherical, be furnished with several become certain angle of inclination with axis spray orifice 1, the utility model is an example with 50-1500kg/ hour fuel atomizer all, spray orifice 1 can be provided with 10-20, be funnel-form, being circumferential equidistantly distributes, its aperture is 1.0-4.0mm, middle hole is offered along axis, other hole becomes 40-60 degree subtended angle vertically with axis, and the suitable or 25-45 degree angle that counterclockwise tilts, the quantity of spray orifice 1, the aperture, subtended angle and angle of inclination mainly require to be provided with according to the viscosity and the flame of fuel oil.There is an open type burning cover 16 that is the certain opening degree front portion of open shower nozzle 15, has several apertures 17 on the cover body.
For making the spray burning effect better, can set up auxiliary inlet port 4 in the front portion of atomizing trunnion 5 in case of necessity, air admission hole 6 and auxiliary inlet port 4 are funnel-form, total 4-12, being circumferential equidistantly distributes, its aperture is 1.5-3.0mm, becomes 60-90 degree subtended angle vertically with axis, and the suitable or 25-45 degree angle that counterclockwise tilts.The aperture of fuel feed hole 14 described in the utility model is 1.0-5.0mm.Have 2-4 inclined hole on the utility model swirl-flow devices, the aperture is 2.0-4.0mm, becomes 40-60 degree subtended angle vertically with axis, and the suitable or 35-45 degree angle that counterclockwise tilts.The incline direction of the spray orifice 1 on the inclined hole of the utility model swirl-flow devices 7, the air admission hole 6 of atomizing on the trunnion 5 and auxiliary inlet port 4 and the closed shower nozzle 2 should be consistent, its quantity, aperture, subtended angle degree and angle of inclination, and corresponding increase and decrease all should be done according to the different situations such as viscosity, temperature and flame requirement of various fuel oils in the aperture of fuel feed hole 14 etc., viscosity is big more, its quantity and aperture size are wanted corresponding increase, and angle is then wanted corresponding reducing.For making this jet combustion safer reliable, the utility model also is equipped with sealing nut 12 and has the fuel strainer 11 of screen pack in the outer end of bonnet 10, all can adopt to be threaded.
Claims (9)
1. low pressure eddy flow fuel atomizer, by shower nozzle, housing, bonnet, air inlet pipe and oil inlet pipe are formed, it is characterized in that being equipped with in the housing behind shower nozzle an atomizing trunnion, along a fuel feed hole is arranged on the longitudinal center line of this trunnion, the inlet of fuel feed hole is funnel-form, link to each other with oil inlet pipe, there is a swirl-flow devices junction, the outlet of fuel feed hole is bell mouth shape, several and its at an angle air admission hole is arranged around fuel feed hole, the outlet of air admission hole is at the rear side of fuel feed hole outlet, and the front end of atomizing trunnion also is bell mouth shape, and its bottom communicates with fuel feed hole and air admission hole, oral area communicates with the mixing chamber of shower nozzle, air inlet pipe is connected on the housing, and the ring cavity outer with the atomizing trunnion communicates, and bonnet is positioned on the rear end of housing.
2. fuel atomizer according to claim 1 is characterized in that described shower nozzle is closed shower nozzle, and the front portion of shower nozzle is hemispherical, and is furnished with several become certain angle of inclination with axis spray orifice.
3. fuel atomizer according to claim 2, it is characterized in that described spray orifice can have 10-20, be funnel-form, being circumferential equidistantly distributes, its aperture is 1.0-4.0mm, middle hole is offered along axis, and other hole becomes 40-60 degree subtended angle vertically with axis, and the suitable or 25-45 degree angle that counterclockwise tilts.
4. fuel atomizer according to claim 1 is characterized in that described shower nozzle is open shower nozzle, and there is an open type burning cover front portion of shower nozzle, has several apertures on the cover body.
5. according to claim 1,2 or 4 described fuel atomizers, it is characterized in that also being equipped with sealing nut and fuel strainer in described bonnet outer end.
6. according to claim 1,2 or 4 described fuel atomizers, it is characterized in that described shower nozzle and housing and bonnet all pass through screw thread with housing and fixedly connected, the atomizing trunnion is fixed between housing and the shower nozzle by the flange of its anterior outer surface.
7. fuel atomizer according to claim 1, it is characterized in that described swirl-flow devices is the platy structure that has aperture, the quantity in hole is 2-4, and the aperture is 2.0-4.0mm, become 40-60 degree subtended angle vertically with axis, and the suitable or 35-45 degree angle that counterclockwise tilts.
8. fuel atomizer according to claim 1, it is characterized in that also being provided with auxiliary inlet port in the front portion of described atomizing trunnion, air admission hole and auxiliary inlet port are funnel-form, establish 4-12 altogether, being circumferential equidistantly distributes, its aperture is 1.5-3.0mm, becomes 60-90 degree subtended angle vertically with axis, and the suitable or 25-45 degree angle that counterclockwise tilts.
9. fuel atomizer according to claim 1 is characterized in that described fuel feed hole aperture is 1.0-5.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223793 CN2370279Y (en) | 1999-05-12 | 1999-05-12 | Low pressure vortex oil burning atomizing spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223793 CN2370279Y (en) | 1999-05-12 | 1999-05-12 | Low pressure vortex oil burning atomizing spray nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2370279Y true CN2370279Y (en) | 2000-03-22 |
Family
ID=34013966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99223793 Expired - Fee Related CN2370279Y (en) | 1999-05-12 | 1999-05-12 | Low pressure vortex oil burning atomizing spray nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2370279Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785392A (en) * | 2015-03-26 | 2015-07-22 | 成都来宝石油设备有限公司 | Pressure nozzle for gas reservoir production |
| CN110918285A (en) * | 2020-01-06 | 2020-03-27 | 深圳市晓鸟动力技术有限公司 | Atomizing nozzle and atomizing equipment with same |
| CN111878702A (en) * | 2020-08-07 | 2020-11-03 | 祁东中燃城市燃气发展有限公司 | Vaporization device for liquefied natural gas |
-
1999
- 1999-05-12 CN CN 99223793 patent/CN2370279Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785392A (en) * | 2015-03-26 | 2015-07-22 | 成都来宝石油设备有限公司 | Pressure nozzle for gas reservoir production |
| CN110918285A (en) * | 2020-01-06 | 2020-03-27 | 深圳市晓鸟动力技术有限公司 | Atomizing nozzle and atomizing equipment with same |
| CN110918285B (en) * | 2020-01-06 | 2023-11-03 | 深圳市浩洋汇丰技术有限公司 | Atomizing nozzle and atomizing equipment with same |
| CN111878702A (en) * | 2020-08-07 | 2020-11-03 | 祁东中燃城市燃气发展有限公司 | Vaporization device for liquefied natural gas |
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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 |