CN203842732U - Liquid atomizing nozzle - Google Patents
Liquid atomizing nozzle Download PDFInfo
- Publication number
- CN203842732U CN203842732U CN201420155903.2U CN201420155903U CN203842732U CN 203842732 U CN203842732 U CN 203842732U CN 201420155903 U CN201420155903 U CN 201420155903U CN 203842732 U CN203842732 U CN 203842732U
- Authority
- CN
- China
- Prior art keywords
- port
- liquid
- interior air
- liquid jet
- export
- 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
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 100
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 abstract description 14
- 239000007921 spray Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000000889 atomisation Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a liquid atomizing nozzle, comprising a liquid spray tube, an outer air tube and an inner air tube, wherein the liquid spray tube is used for spraying liquid fuel; the outer air tube sleeves the liquid spray tube, and a gap is reserved between tube bodies of the two tubes; the inner air tube is inserted into the liquid spray tube, and a gap is also reserves between the two tubes; axle lines of the outer and inner air tube, the liquid spray tube and the inner air tube coincide. According to the design of the nozzle provided by the utility model, design and manufacture of coaxial sleeves with diameters of less than 2mm are achieved. According to the liquid atomizing nozzle, since the structure of three layers of sleeves are adopted to work at the same time, liquid positioned at the middle is mixed and stirred under the effect of air in the inner and outer layers, and thereby the purpose of atomizing the liquid is achieved.
Description
Technical field
The utility model relates to burner field, is specifically related to a kind of liquid atomizing nozzle.
Background technology
Flame propagation velocity refer to flame front along its normal direction the fltting speed with respect to unburning material direction, flame propagation velocity has characterized carries out the flame front of combustion process in the translational speed in space, is one of significant data of research flame holding.The method of measuring flame propagation velocity comprises Bunsen burner method, cylindrical tube method, constant volume ball method, soap bubble method, flames in opposing direction method and flat-flamed burner method etc.Wherein Bunsen flame is a kind of flame the most common in laboratory, and Bunsen burner is simple in structure, easy to operate, is important basic experiment stand in science of heat test.Existing Bunsen burner is all gas Bunsen burner, combustible gas is passed into by the bottom of Bunsen burner, air is carried secretly and is entered combustible gas from pore, is undertaken burning at lamp holder after mixing to a certain degree by lamp neck, has now had and has calculated the Bunsen flame propagation computational methods that various gas is fuel.
But openly do not adopt the method for liquid as Bunsen burner fuel in prior art, liquid carries out atomization as Bunsen burner fuel requirement, so that the flame stabilization finally obtaining is convenient to measure.And nozzle of the prior art is all gas nozzle, wherein nozzle is only as the single nozzle of fuel gas, air is entered by another independent import, the nozzle of this structure only can mist, but liquid can not be mixed into the needed spray pattern of burning, therefore this nozzle cannot reach atomizing of liquid fuel requirement.
Utility model content
The purpose of this utility model is to provide a kind of nozzle that can carry out to liquid fuel atomization.
Special the utility model provides a kind of liquid atomizing nozzle, comprising:
Liquid jet is hollow pipeline; And
Outer space tracheae, is enclosed within outside described liquid jet and between both pipe shafts and has gap;
Interior air hose, is inserted in the inside of described liquid jet and has gap between the two;
The axial line of described outer space tracheae, described liquid jet and described interior air hose overlaps.
Further, the port of export of described outer space tracheae, liquid jet and interior air hose is not positioned at same plane, the port of export of wherein said outer space tracheae stretches out outside the port of export of described liquid jet, and the port of export of described interior air hose is retracted in the port of export of described liquid jet, and
The port of export of described liquid jet is to the port of export distance of described outer space tracheae, with the port of export to the ratio of the port of export distance of described interior air hose of described liquid jet be 5: 3.
Further, the gap between described liquid jet and described outer space tracheae, and gap between described liquid jet and described interior air hose, and the internal diameter three ratio of described interior air hose is 1: 3: 5.
Further, the inlet end of described outer space tracheae utilizes silver soldering to be fixed on the outer surface of described liquid jet, and is seal welding between inlet end and described liquid jet;
The liquid feeding end of described liquid line utilizes silver soldering to be fixed on the outer surface of described interior air hose, and is seal welding between liquid feeding end and described interior air hose;
On the side pipe shaft of the inlet end of described outer space tracheae, outer air guide port is set;
On the side pipe shaft of the liquid feeding end of described liquid jet, inlet is set;
The inlet end of described interior air hose is provided with interior air guide port, and described interior air guide port is perpendicular to interior air hose.
Further, described outer air guide port, described inlet and described interior air guide port be positioned at the same side and in the same stringer of the axis parallel of described air hose on.
Further, the axial line of described outer air guide port is to the axial line distance of inlet, identical to the spacing distance of the axial line of described interior air guide port with the axial line of described inlet.
Further, the port of export of described outer space tracheae is to the axial line distance of described outer air guide port, identical apart from interval to the axial line of described inlet with the axial line of described outer air guide port.
The utility model is because the structure that has adopted three layers of sleeve pipe is worked simultaneously, makes liquid in the middle of being positioned under the effect of inside and outside two layer of air, mixed stirring, thus reach the object of the atomization of liquid.Designs of nozzles of the present utility model has realized designing and producing of the as follows pipe spreader of 2mm.
According to the detailed description to the specific embodiment of the invention by reference to the accompanying drawings below, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Brief description of the drawings
Fig. 1 is three layers of cover pipe mounting structure perspective schematic view according to an embodiment of the utility model.
Detailed description of the invention
If Fig. 1 is three layers of cover pipe mounting structure perspective schematic view according to an embodiment of the utility model.Liquid jet 102 is as the playpipe of liquid fuel, between outer space tracheae 101 and interior air hose 103, can space certain distance between three pipes, and in order to ensure that the final gas spraying and liquid, in same position, can overlap outer space tracheae 101, liquid jet 102 and interior air hose 103 threes' axial line.In use, outwards spray air of this outer space tracheae 101, the outside jetting liquid fuel of liquid jet 102, and interior air hose 103 also outwards sprays air.Air in inner and outer pipes after ejection is clipped in the middle liquid fuel, can in running, make air and liquid fuel fully mix, and liquid fuel is stirred into particle or little molecularity, reaches the object of the atomization of liquid.For improving fluid combustion effect, the air displacement in outer space tracheae 101 and/or interior air hose 103 can be become to corresponding combustion-supporting gas, as oxygen.
In an embodiment of the present utility model, outer space tracheae 101, liquid jet 102 and interior air hose 103 threes' the port of export can not be positioned at same plane.As make outside the port of export of port of export flashed liquid jet pipe 102 of outer space tracheae 101.And the port of export of interior air hose 103 may be collapsed in the port of export of liquid jet 102.As beyond the port of export plane of living in of air hose 101 be as the criterion, the residing plane of the port of export of three pipes is the structure inside contracting successively.Such structure can make the air of outer air pipe 101 first spray, and then liquid jet 102 sprays liquid again.Can avoid like this liquid fuel first spraying not mixed by air in time and to stir.And the air of interior air hose 103 can carry out stirring-type mixing again to the above two mixed gas liquid mixtures, strengthening is to atomizing of liquid fuel effect.For making atomization reach optimum efficiency, the port of export of liquid jet 102 of the present utility model is to the port of export distance of outer space tracheae 102, with the port of export to the ratio of the spacing distance of the port of export of interior air hose 103 of liquid jet 102 be 5: 3.
In an embodiment of the present utility model, can be by the gap between liquid jet 102 and outer space tracheae 101, and the internal diameter three's of gap between liquid jet 102 and interior air hose 103 and interior air hose 103 ratio is made as 1: 3: 5.By corresponding space is set, ensure that air and atomizing of liquid fuel are more abundant.
In an embodiment of the present utility model, outer space tracheae 101 is to utilize silver soldering to be fixed on the outer surface of liquid jet 102 by inlet end, is seal welding between this inlet end and liquid jet 102 simultaneously.Equally, utilize silver soldering to be fixed on the outer surface of interior air hose 103 liquid feeding end of liquid jet 102, be seal welding between this liquid feeding end and interior air hose 103 simultaneously.Outer space tracheae 101 and liquid jet 102 utilize respectively the inlet end relative with the port of export and liquid feeding end and its inside pipe fix.Outer space tracheae 101 can arrange the outer air guide port 104 communicating with outer space tracheae 101 inside on the pipe shaft of the side of inlet end.Liquid jet 102 can arrange the inlet 105 communicating with liquid feeding end 102 inside on the pipe shaft of the side of liquid feeding end.Therefore seal at fixing point, can make corresponding gas and liquid only be discharged by the port of export separately, avoid influencing each other.Be similarly and make nozzle structure unification on the whole, be convenient to control, the utility model is also arranged on the interior air guide port 106 of interior air hose 103 side of its pipe shaft.Interior air guide port 106 can be vertically set on the pipe shaft of interior air hose 103.And interior air guide port 106 is directly connected with the inlet end of interior air hose 103, reduce the step of the entrance point sealing of internal air hose 103.Outer air guide port 104, inlet 105 and interior air guide port 106 can adopt vertical mode to fix with pipe shaft separately respectively, when such structure can make gas and liquid in the pipe entering separately, produce the power of convolution, can further strengthen the mixed effect of the rear gas-liquid of ejection.
In an embodiment of the present utility model, outer air guide port 104, inlet 105 and interior air guide port 106 be positioned at the same side and can in the same stringer of the axis parallel of air hose on.Three is positioned at row convenient operation and a control, and does not affect the peripheral operation of whole nozzle.
In an embodiment of the present utility model, the axial line of this outer air guide port 104 is to the axial line distance of inlet 105, identical to the distance interval of the axial line of interior air guide port 106 with the axial line of inlet 105.
In an embodiment of the present utility model, the port of export of this outer space tracheae 101 is to the axial line distance of outer air guide port 104, identical apart from interval to the axial line of inlet 105 with the axial line of outer air guide port 104.Can make air and liquid in pipe, obtain certain speed by above-mentioned setting, provide better condition for spraying postmeatal mixed aerosol.
The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model with preferred embodiment openly as above, but not in order to limit the utility model, any technical staff who is familiar with this patent is not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned prompting to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of the utility model scheme.
Claims (6)
1. a liquid atomizing nozzle, comprising:
Liquid jet is hollow pipeline; And
Outer space tracheae, is enclosed within outside described liquid jet and between both pipe shafts and has gap;
Interior air hose, is inserted in the inside of described liquid jet and has gap between the two;
The axial line of described outer space tracheae, described liquid jet and described interior air hose overlaps;
The port of export of described outer space tracheae, liquid jet and interior air hose is not positioned at same plane, the port of export of wherein said outer space tracheae stretches out outside the port of export of described liquid jet, and the port of export of described interior air hose is retracted in the port of export of described liquid jet, and
The port of export of described liquid jet is to the port of export distance of described outer space tracheae, with the port of export to the ratio of the port of export distance of described interior air hose of described liquid jet be 5: 3.
2. liquid atomizing nozzle as claimed in claim 1, is characterized in that,
Gap between described liquid jet and described outer space tracheae, and gap between described liquid jet and described interior air hose, and the internal diameter three ratio of described interior air hose is 1: 3: 5.
3. liquid atomizing nozzle as claimed in claim 2, is characterized in that,
The inlet end of described outer space tracheae utilizes silver soldering to be fixed on the outer surface of described liquid jet, and is seal welding between inlet end and described liquid jet;
The liquid feeding end of described liquid line utilizes silver soldering to be fixed on the outer surface of described interior air hose, and is seal welding between liquid feeding end and described interior air hose;
On the side pipe shaft of the inlet end of described outer space tracheae, outer air guide port is set;
On the side pipe shaft of the liquid feeding end of described liquid jet, inlet is set;
The inlet end of described interior air hose is provided with interior air guide port, and described interior air guide port is perpendicular to interior air hose.
4. liquid atomizing nozzle as claimed in claim 3, is characterized in that,
Described outer air guide port, described inlet and described interior air guide port be positioned at the same side and in the same stringer of the axis parallel of described air hose on.
5. liquid atomizing nozzle as claimed in claim 4, is characterized in that,
The axial line of described outer air guide port is to the axial line distance of inlet, identical to the spacing distance of the axial line of described interior air guide port with the axial line of described inlet.
6. liquid atomizing nozzle as claimed in claim 5, is characterized in that,
The port of export of described outer space tracheae is to the axial line distance of described outer air guide port, identical apart from interval to the axial line of described inlet with the axial line of described outer air guide port.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420155903.2U CN203842732U (en) | 2014-04-02 | 2014-04-02 | Liquid atomizing nozzle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420155903.2U CN203842732U (en) | 2014-04-02 | 2014-04-02 | Liquid atomizing nozzle |
Publications (1)
Publication Number | Publication Date |
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CN203842732U true CN203842732U (en) | 2014-09-24 |
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Family Applications (1)
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CN201420155903.2U Expired - Fee Related CN203842732U (en) | 2014-04-02 | 2014-04-02 | Liquid atomizing nozzle |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107126831A (en) * | 2017-06-20 | 2017-09-05 | 佛山市三水新明珠建陶工业有限公司 | A kind of injector for SNCR denitration system |
CN110961268A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Atomizing nozzle for lifting pipe |
CN110961047A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Nozzle for catalytic cracking device |
CN110961048A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Atomizing nozzle for catalytic cracking device |
CN110961051A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Atomizing nozzle for catalytic cracking unit reaction |
CN111928271A (en) * | 2020-08-11 | 2020-11-13 | 华中科技大学 | Combustor of organic waste liquid incinerator and combustion method thereof |
-
2014
- 2014-04-02 CN CN201420155903.2U patent/CN203842732U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107126831A (en) * | 2017-06-20 | 2017-09-05 | 佛山市三水新明珠建陶工业有限公司 | A kind of injector for SNCR denitration system |
CN110961268A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Atomizing nozzle for lifting pipe |
CN110961047A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Nozzle for catalytic cracking device |
CN110961048A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Atomizing nozzle for catalytic cracking device |
CN110961051A (en) * | 2018-09-30 | 2020-04-07 | 中国石油天然气股份有限公司 | Atomizing nozzle for catalytic cracking unit reaction |
CN111928271A (en) * | 2020-08-11 | 2020-11-13 | 华中科技大学 | Combustor of organic waste liquid incinerator and combustion method thereof |
CN111928271B (en) * | 2020-08-11 | 2021-11-23 | 华中科技大学 | Combustor of organic waste liquid incinerator and combustion method thereof |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170223 Address after: 100000 Tsinghua Yuan, Beijing, Haidian District, Tsinghua University, 1 Patentee after: Tsinghua University Address before: 100083 Beijing, Tsinghua University, Haidian District science and technology building, North building, room 1004 Patentee before: Lu Qizhi |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20210402 |