CN104819465A - Two-stage efficient atomization oil gun - Google Patents
Two-stage efficient atomization oil gun Download PDFInfo
- Publication number
- CN104819465A CN104819465A CN201510127247.4A CN201510127247A CN104819465A CN 104819465 A CN104819465 A CN 104819465A CN 201510127247 A CN201510127247 A CN 201510127247A CN 104819465 A CN104819465 A CN 104819465A
- Authority
- CN
- China
- Prior art keywords
- chamber
- oil
- gun
- air separation
- vortex chamber
- 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.)
- Granted
Links
- 238000000889 atomisation Methods 0.000 title claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 239000000446 fuel Substances 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 230000001186 cumulative effect Effects 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 239000003921 oil Substances 0.000 description 38
- 239000007789 gas Substances 0.000 description 14
- 239000000295 fuel oil Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 210000003934 vacuole Anatomy 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 206010010219 Compulsions Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009690 centrifugal atomisation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/04—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying action being obtained by centrifugal action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a two-stage efficient atomization oil gun, wherein a gun head is provided with a bubble chamber and a nozzle; a gun body is provided with an inner tube and an outer tube; a connector respectively communicated with the inner tube and the outer tube is arranged at the head part of the gun body; the inner tube and the outer tube are respectively connected with an oil inlet and an atomization gas inlet; an oil gas distributor is arranged between the tail part of the bubble chamber and the head part of the connector, and is provided with an oil spray port, a vortex chamber and an energy gathering chamber coaxially connected in sequence; the oil spray port, the inner tube and the connector are formed to a fuel passage; radial gas inlets are uniformly distributed in the peripheral direction of the side wall of the tail part of the vortex chamber; gas feed holes are uniformly distributed in the peripheral direction of the middle part of the vortex chamber; an air separation cavity is encircled on the side wall of the tail part of the vortex chamber; annular inner cavities communicated with the outer tube and axial communicating holes communicated with the air separation cavity are uniformly distributed in the peripheral direction of the connector; the gas feed holes are communicated with an inner cavity of the energy gathering chamber and the air separation cavity; and the radial gas inlets are communicated with the vortex chamber and the air separation cavity. The two-stage efficient atomization oil gun has the characteristics of small oil particles, higher burning efficiency and more environmental protection, and can be applied to power station boilers.
Description
Technical field
The present invention relates to station boiler, particularly relate to a kind of two-stage high-efficient atomizing oil gun.
Background technology
The torch oil gun that current home and abroad station boiler extensively adopts is all simple and mechanical atomized oil gun, this oil gun is a kind of more ripe but also comparatively backward oil gun, to oil kind bad adaptability, light diesel fuel can only be used, and efficiency of combustion is not high when cold conditions yet, atomizing particle Du Suotaier coefficient S MD≤200 μm, efficiency of combustion only can reach 84%.And go back over-emitting black exhaust during Initial Stage after Ignition, not only excessive fuel consumption, also contaminated environment, and grave danger is formed to the safety of desulphurization and denitration facility, meanwhile, this mechanical atomization oil gun also also exists the problem that maintenance is large, maintenance cost is high.In recent years state compulsion eliminates the desulfurization fume bypass of power plant, urgently researches and develops in the industry higher, the more environmental protection of efficiency of combustion, new oil gun that maintenance cost is low.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, a kind of two-stage high-efficient atomizing oil gun be provided, have that oil particles is little, efficiency of combustion is higher, more environmental protection, feature that maintenance cost is low.
A kind of two-stage high-efficient atomizing oil gun provided by the invention, comprise rifle head and the body of a gun, described rifle head is provided with bubble chamber and is positioned at the spout of bubble chamber head, the described body of a gun is provided with coaxial setting, mutually isolated inner and outer tubes, described body of a gun head is provided with the connector be connected with inner and outer tubes respectively, described inner and outer tubes are connected with atomization gas import with oil-in respectively, oil and gas distributor is provided with between described bubble chamber afterbody and head link actuator, described oil and gas distributor is provided with the coaxial jet be connected to the end successively from tail, vortex chamber and cumulative room, described jet and interior pipe and connector form fuel flow path, described vortex chamber afterbody sidewall circumferentially uniform radial air inlet mouth, circumferentially uniform injection well in the middle part of described vortex chamber, described vortex chamber afterbody sidewall is around air separation chamber, described connector is circumferentially evenly equipped with and is communicated with the annular interior cavity of outer tube and the axial intercommunicating pore in air separation chamber, described injection well is communicated with the indoor chamber of cumulative and air separation chamber, described radial air inlet mouth is communicated with vortex chamber and air separation chamber.
In technique scheme, axis and the body of a gun axis of described injection well are arranged at an angle.
In technique scheme, described injection well axis and body of a gun axis angle are 15 ~ 30 °.
In technique scheme, the axis of described injection well and body of a gun axis angle are 20 °.
In technique scheme, the shape of described spout is inner little greatly outer.
In technique scheme, the head of described vortex chamber stretches in cumulative room.
In technique scheme, the opening size of described injection well is less than the opening size in the indoor chamber of cumulative and air separation chamber; The opening size of described axial intercommunicating pore is less than the annular interior cavity of outer tube and the opening size in air separation chamber; The opening size of described radial air inlet mouth is less than the opening size in vortex chamber and air separation chamber; The opening size of described jet is less than the opening size of vortex chamber and interior pipe.
In technique scheme, described body of a gun afterbody is provided with tail chamber, and described tail chamber is connected with oil-in with interior pipe respectively, described tail chamber and outer tube isolated by tail circle.
Two-stage high-efficient atomizing oil gun of the present invention, there is following beneficial effect: fuel oil is atomized through further secondary bubble blast by two-stage high-efficient atomizing oil gun after vortex centrifugal one-level fragmentation atomization, again, fuel oil fragmentation is atomized into the fuel particles of granularity Suo Taier coefficient S MD≤10 μm the most at last, efficiency of combustion is made to bring up to the technical merit of 99.5%, not only efficiency of combustion is higher, and more environmental protection, maintenance cost are lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of two-stage high-efficient atomizing oil gun of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
See Fig. 1, two-stage high-efficient atomizing oil gun of the present invention, comprise rifle head 14 and the body of a gun 15, described rifle head 14 is provided with bubble chamber 2 and is positioned at the spout 1 of bubble chamber 2 head, the described body of a gun 15 is provided with coaxial setting, mutually isolated interior pipe 6 and outer tube 5, the described body of a gun 15 head is provided with the connector 18 be connected with outer tube 5 with interior pipe 6 respectively, described interior pipe 6 is connected with atomization gas import 12 with oil-in 13 respectively with outer tube 5, oil and gas distributor 4 is provided with between described bubble chamber 2 afterbody and connector 18 head, described oil and gas distributor 4 is provided with the coaxial jet 11 be connected to the end successively from tail, vortex chamber 8 and cumulative room 3, described jet 11 forms fuel flow path with interior pipe 6 and connector 18, described vortex chamber 8 afterbody sidewall circumferentially uniform radial air inlet mouth 10, circumferentially uniform injection well 9 in the middle part of described vortex chamber 8, described vortex chamber 8 afterbody sidewall is around air separation chamber 20, described connector 18 is circumferentially evenly equipped with and is communicated with the annular interior cavity of outer tube 5 and the axial intercommunicating pore 17 in air separation chamber 20, described injection well 9 is communicated with cumulative room 3 inner chamber and air separation chamber 20, described radial air inlet mouth 10 is communicated with vortex chamber 8 and air separation chamber 20.
Axis and the body of a gun 15 axis of described injection well 9 are arranged at an angle, and in the present embodiment, axis and the body of a gun 15 axis angle of described injection well 9 are 15 ~ 30 °, and in optimum embodiment, axis and the body of a gun 15 axis angle of described injection well 9 are 20 °.
The shape of described spout 1 is inner little greatly outer.The head of described vortex chamber 8 stretches in cumulative room 3.
The opening size of described injection well 9 is less than the opening size in cumulative room 3 inner chamber and air separation chamber 20; The opening size of described axial intercommunicating pore 17 is less than the annular interior cavity of outer tube 5 and the opening size in air separation chamber 20; The opening size of described radial air inlet mouth 10 is less than the opening size in vortex chamber 8 and air separation chamber 20; The opening size of described jet 11 is less than the opening size of vortex chamber 8 and interior pipe 6.
The described body of a gun 15 afterbody is provided with tail chamber 16, and described tail chamber 16 is connected with oil-in 13 with interior pipe 6 respectively, and described tail chamber 16 is isolated by tail circle 19 with outer tube 5.
The course of work of the present invention:
Fuel oil sends into interior pipe 6 through oil-in 13, is arrived the jet 11 on oil and gas distributor 4, then spray into vortex chamber 8 by jet 11 by interior pipe 6, compressed air enters in oil gun outer tube 5 from atomization gas import 12, and the annular interior cavity in outer tube 5 and oil gun between pipe 6 flows, two-way is divided into: first via compressed air enters vortex chamber 8 from the radial air inlet mouth 10 of vortex chamber 8 before finally arriving oil and gas distributor 4, and form high speed vortex, the fuel oil that jet 11 sprays into by this high speed vortex stirs the vortex gas-oily two phase flow forming High Rotation Speed, in vortex chamber 8, the fuel oil of High Rotation Speed is after going out the head spout of vortex chamber 8, torn up under the centrifugal action of High Rotation Speed, it is broken and be atomized into the oil particles of granularity Suo Taier coefficient S MD≤100 μm to complete first time.The oil-gas two phase flow completing first time vortex centrifugal atomization obtains buffering and the gathering of energy in cumulative room 3, and form less than 100 μm tiny, the oil vacuole of " oily bag gas " uniformly, these oil vacuoles are subject to the second compressed-air actuated brute force attack in road of being sent into by injection well 9 and complete energy supplement under stirring in cumulative room 3, and go out cumulative room 3, arrive in the larger bubble chamber 2 in space, and here slow down, expansion, flowing and distortion, finally from the ejection at a high speed of the spout 1 Oil gun head 7, from the oil vacuole that spout 1 sprays at a high speed, because the compressed air pressure in oil vacuole is greater than extraneous air pressure, explode immediately after oil vacuole ejection spout 1, form the oil particles of granularity Suo Taier coefficient S MD≤10 μm, complete reboil bubble blast atomization.
Innovative point of the present invention:
1, on oil and gas distributor 4, vortex chamber 8 and cumulative room 3 is provided with
2, under the effect of Venturi effect, vortex chamber 8 can produce negative-pressure sucking effect, and fuel oil can be automatically drawn in oil gun without the need to pressure.Two-way is divided into: the opening size due to radial air inlet mouth 10 is less than the opening size in vortex chamber 8 and air separation chamber 20 before the compressed air entered from atomization gas import 12 enters oil and gas distributor 4 by oil gun outer tube 5, there is Venturi effect in the road entering vortex chamber 8 from radial air inlet mouth 10, the compressed air that this direction enters produces high speed vortex and drives fuel oil High Rotation Speed together, this vortex has negative-pressure sucking effect, it can provide certain negative pressure, makes fuel oil just can be inhaled into vortex chamber 8 without the need to pressure; Opening size due to injection well 9 is less than the opening size in cumulative room 3 inner chamber and air separation chamber 20, and according to Venturi effect, the second road compressed air enters cumulative room 3 fast via injection well 9.Due to the first time sprayed from vortex chamber 8 be broken atomization after fuel oil energy be consumed totally, if at this moment directly sprayed from spout 1, the injection dynamics of fuel oil is very weak.And be provided with cumulative room 3, the fuel oil that vortex chamber 8 is sprayed completes energy supplement at the second compressed-air actuated brute force attack in road with under stirring, improve the injection energy that oil gun spout 1 exports, ensure that the atomizing effect of fuel oil, make granularity Suo Taier coefficient reach the level of SMD≤10 μm.
3, the present invention not only can be used for the oil gun of fuel oil, also can be applicable to, on the accident spray equipment of the desulfurization island of power plant, also can be used for the places such as the spraying humidification of electric cleaner entrance, also can be applicable to administer in the dedusting of PM2.5.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
The content be not described in detail in this description belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. a two-stage high-efficient atomizing oil gun, comprise rifle head (14) and the body of a gun (15), described rifle head (14) is provided with bubble chamber (2) and is positioned at the spout (1) of bubble chamber (2) head, the described body of a gun (15) is provided with coaxial setting, mutually isolated interior pipe (6) and outer tube (5), the described body of a gun (15) head is provided with the connector (18) be connected with outer tube (5) with interior pipe (6) respectively, described interior pipe (6) is connected with atomization gas import (12) with oil-in (13) respectively with outer tube (5), oil and gas distributor (4) is provided with between described bubble chamber (2) afterbody and connector (18) head, it is characterized in that: described oil and gas distributor (4) is provided with the coaxial jet (11) be connected to the end successively from tail, vortex chamber (8) and cumulative room (3), described jet (11) forms fuel flow path with interior pipe (6) and connector (18), described vortex chamber (8) afterbody sidewall is uniform radial air inlet mouth (10) circumferentially, described vortex chamber (8) middle part circumferentially uniform injection well (9), described vortex chamber (8) afterbody sidewall is around air separation chamber (20), described connector (18) is circumferentially evenly equipped with and is communicated with the annular interior cavity of outer tube (5) and the axial intercommunicating pore (17) of air separation chamber (20), described injection well (9) is communicated with cumulative room (3) inner chamber and air separation chamber (20), described radial air inlet mouth (10) is communicated with vortex chamber (8) and air separation chamber (20).
2. two-stage high-efficient atomizing oil gun according to claim 1, is characterized in that: axis and the body of a gun (15) axis of described injection well (9) are arranged at an angle.
3. two-stage high-efficient atomizing oil gun according to claim 2, is characterized in that: axis and the body of a gun (15) axis angle of described injection well (9) are 15 ~ 30 °.
4. two-stage high-efficient atomizing oil gun according to claim 3, is characterized in that: axis and the body of a gun (15) axis angle of described injection well (9) are 20 °.
5. two-stage high-efficient atomizing oil gun according to any one of claim 1 to 4, is characterized in that: the shape of described spout (1) is inner little greatly outer.
6. two-stage high-efficient atomizing oil gun according to any one of claim 1 to 4, is characterized in that: the head of described vortex chamber (8) stretches in cumulative room (3).
7. two-stage high-efficient atomizing oil gun according to any one of claim 1 to 4, is characterized in that: the opening size of described injection well (9) is less than the opening size of cumulative room (3) inner chamber and air separation chamber (20); The opening size of described axial intercommunicating pore (17) is less than the annular interior cavity of outer tube (5) and the opening size of air separation chamber (20); The opening size of described radial air inlet mouth (10) is less than the opening size of vortex chamber (8) and air separation chamber (20); The opening size of described jet (11) is less than the opening size of vortex chamber (8) and interior pipe (6).
8. two-stage high-efficient atomizing oil gun according to any one of claim 1 to 4, it is characterized in that: the described body of a gun (15) afterbody is provided with tail chamber (16), described tail chamber (16) is connected with oil-in (13) with interior pipe (6) respectively, and described tail chamber (16) is isolated by tail circle (19) with outer tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127247.4A CN104819465B (en) | 2015-03-23 | 2015-03-23 | A kind of two-stage high-efficient atomizing oil gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127247.4A CN104819465B (en) | 2015-03-23 | 2015-03-23 | A kind of two-stage high-efficient atomizing oil gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819465A true CN104819465A (en) | 2015-08-05 |
| CN104819465B CN104819465B (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510127247.4A Active CN104819465B (en) | 2015-03-23 | 2015-03-23 | A kind of two-stage high-efficient atomizing oil gun |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879414A (en) * | 2016-05-26 | 2016-08-24 | 武汉斯奇环保科技有限公司 | Desulfurization waste water treatment device of coal-fired boiler |
| CN106524221A (en) * | 2016-11-25 | 2017-03-22 | 武汉斯奇环保科技有限公司 | Oil-saving type swirling flow burner port ignition device of W-type boiler |
| CN106545885A (en) * | 2016-11-25 | 2017-03-29 | 武汉斯奇环保科技有限公司 | W type boiler fuel-economizing wind proof bispin nozzles igniters |
| CN106996561A (en) * | 2017-06-05 | 2017-08-01 | 中国航发湖南动力机械研究所 | Fuel atomizer |
| CN109631054A (en) * | 2018-11-01 | 2019-04-16 | 扬州链享环保工程技术有限公司 | Combustion control system of sulfur-containing waste liquid incinerator |
| CN112050205A (en) * | 2020-09-21 | 2020-12-08 | 徐州久翔环保科技有限公司 | Centrifugal multistage air mixing oxygen-enriched atomization oil gun |
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| US4698014A (en) * | 1985-03-05 | 1987-10-06 | L. & C. Steinmuller Gmbh | Method and apparatus for the low-wear atomization of liquid highly viscous and/or suspended fuel intended for combustion or gasification in burner flames |
| EP0248539A1 (en) * | 1986-05-07 | 1987-12-09 | Hitachi, Ltd. | Atomizer and coal-water slurry fired boiler utilizing the same |
| CN2341721Y (en) * | 1998-07-17 | 1999-10-06 | 覃洪波 | Pneumatic atomizing fuel nozzle |
| CN102705826A (en) * | 2012-05-07 | 2012-10-03 | 深圳中兴新源环保股份有限公司 | Oil gun capable of combusting various fuel oil |
| CN102865575A (en) * | 2012-09-21 | 2013-01-09 | 徐州艾迪科技有限公司 | Micro-explosion atomization oil gun |
| CN103406220A (en) * | 2013-08-29 | 2013-11-27 | 武汉奇斯科技有限公司 | Micron-sized liquid atomization gun |
| CN204100235U (en) * | 2014-09-10 | 2015-01-14 | 南京畅能源测控设备有限公司 | Bubble atomized oil gun |
| CN204611754U (en) * | 2015-03-23 | 2015-09-02 | 武汉奇斯科技有限公司 | A kind of two-stage high-efficient atomizing oil gun |
-
2015
- 2015-03-23 CN CN201510127247.4A patent/CN104819465B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4698014A (en) * | 1985-03-05 | 1987-10-06 | L. & C. Steinmuller Gmbh | Method and apparatus for the low-wear atomization of liquid highly viscous and/or suspended fuel intended for combustion or gasification in burner flames |
| EP0248539A1 (en) * | 1986-05-07 | 1987-12-09 | Hitachi, Ltd. | Atomizer and coal-water slurry fired boiler utilizing the same |
| CN2341721Y (en) * | 1998-07-17 | 1999-10-06 | 覃洪波 | Pneumatic atomizing fuel nozzle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879414A (en) * | 2016-05-26 | 2016-08-24 | 武汉斯奇环保科技有限公司 | Desulfurization waste water treatment device of coal-fired boiler |
| CN106524221A (en) * | 2016-11-25 | 2017-03-22 | 武汉斯奇环保科技有限公司 | Oil-saving type swirling flow burner port ignition device of W-type boiler |
| CN106545885A (en) * | 2016-11-25 | 2017-03-29 | 武汉斯奇环保科技有限公司 | W type boiler fuel-economizing wind proof bispin nozzles igniters |
| CN106996561A (en) * | 2017-06-05 | 2017-08-01 | 中国航发湖南动力机械研究所 | Fuel atomizer |
| CN106996561B (en) * | 2017-06-05 | 2019-02-12 | 中国航发湖南动力机械研究所 | Fuel atomizer |
| CN109631054A (en) * | 2018-11-01 | 2019-04-16 | 扬州链享环保工程技术有限公司 | Combustion control system of sulfur-containing waste liquid incinerator |
| CN112050205A (en) * | 2020-09-21 | 2020-12-08 | 徐州久翔环保科技有限公司 | Centrifugal multistage air mixing oxygen-enriched atomization oil gun |
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| CN104819465B (en) | 2017-06-09 |
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