CN201306710Y - Fluid fuel spraying nozzle - Google Patents
Fluid fuel spraying nozzle Download PDFInfo
- Publication number
- CN201306710Y CN201306710Y CNU2008201821123U CN200820182112U CN201306710Y CN 201306710 Y CN201306710 Y CN 201306710Y CN U2008201821123 U CNU2008201821123 U CN U2008201821123U CN 200820182112 U CN200820182112 U CN 200820182112U CN 201306710 Y CN201306710 Y CN 201306710Y
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- nozzle
- conical end
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- core
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- Expired - Fee Related
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- Fuel-Injection Apparatus (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
Abstract
A fluid fuel spraying nozzle is characterized in that an outer shell of spraying nozzle consists of a conical end (1') and a cylindrical shell; an end of a spraying nozzle core (2) is provided with a vortex head (3); the spraying nozzle core (2) is arranged in the outer shell of the spraying nozzle and is coaxial with an axial lead (OO') of the outer shell of the spraying nozzle; the top of the conical end (1') is provided with a first spraying hole (10) along the axial direction of the axial lead (OO') of the outer shell of the spraying nozzle; the identical circumference along the conical surface of the conical end (1') is provided with 2 to 12 spraying holes; an oil passage (9) is dug along the axial lead (OO') in the spraying nozzle core (2); an oil hole (6) is made along the direction vertical to the axial lead (OO') on a wall of the core in the spraying nozzle core (2); a circular cylinder which is nested on the outer wall of the spraying nozzle core (2) is provided with an air hole (7) along the direction parallel to the axial lead (OO'), forms a first-class mixing space (4) and an air intake passage (8).
Description
Technical field
The utility model relates to a kind of liquid fuel atomization device, belongs to the combustion apparatus technical field.
Background technology
At present, liquid fuel atomization roughly is divided into mechanical pressure atomizing, pneumatic nebulization and effervescent atomization.Mechanical pressure atomizing is that liquid fuel is pressurized to certain pressure, when liquid fuel spray from mechanical drive nozzle, lean on himself kinetic energy to atomize, but the atomizing effect of this kind nozzle is subjected to the viscosity influence of fuel very big, and the less easy obstruction of the spray orifice of nozzle; Pneumatic nozzle will be got well than the mechanical pressure nozzle during high viscosity fuel in atomizing, but the atomizing medium consumption is bigger, and when fuel-viscosity variation further increases, and atomizing effect also can variation; The atomizing effect of effervescent atomizer is subjected to the influence of fuel-viscosity variation very little, and atomizing particle is thin, and the atomizing medium consumption is few, spray orifice is difficult for greatly stopping up, but when using on the hot equipment of the low usefulness of fire box temperature, especially when needing elongated flame with hot equipment, automatic igniting is difficulty, combustion air air distribution difficulty very.
Summary of the invention
The purpose of this utility model provides a kind of effervescent atomizer.
The utility model is a kind of liquid fuel atomization nozzle, nozzle housing by conical end 1 ' and cylindrical housings 1 form, one eddy flow head 3 is installed in the end of nozzle core 2, it is inner and coaxial with the axial line OO ' of nozzle housing that nozzle core 2 is installed in nozzle housing, on conical end 1 ' top along the axial line OO ' of nozzle housing axially offer one first spray orifice 10, along offering 2～12 spray orifices on the same circumference on conical end 1 ' taper seat; In nozzle core 2, have oil inlet passage 9 along axial line OO ', on the direction of the core wall upper edge of nozzle core 2, have oilhole 6 perpendicular to axial line OO ', have pore 7 being nested on the direction parallel of cylinder upper edge on nozzle core 2 outer walls, form one-level mixing chamber 4 and inlet channel 8 with axial line OO.
The utility model high viscosity fuel oil inferior that can atomize well, nozzle is difficult for stopping up in the use, again can igniting automatically well on the hot equipment of various usefulness.
Description of drawings
Fig. 1 is radial section figure of the present utility model.
The specific embodiment
Embodiment 1:
As shown in Figure 1, liquid fuel atomization nozzle of the present utility model, nozzle housing by conical end 1 ' and cylindrical housings 1 form, one eddy flow head 3 is installed in the end of nozzle core 2, it is inner and coaxial with the axial line OO ' of nozzle housing that nozzle core 2 is installed in nozzle housing, on conical end 1 ' top along the axial line OO ' of nozzle housing axially offer one first spray orifice 10, along offering 2～12 second spray orifices 11 on the same circumference on conical end 1 ' taper seat; In nozzle core 2, have oil inlet passage 9 along axial line OO ', on the direction of the core wall upper edge of nozzle core 2, have oilhole 6 perpendicular to axial line OO ', have pore 7 being nested on the direction parallel of cylinder upper edge on nozzle core 2 outer walls, form one-level mixing chamber 4 and inlet channel 8 with axial line OO '.
Embodiment 2:
As shown in Figure 1, liquid fuel atomization nozzle of the present utility model, nozzle housing by conical end 1 ' and cylindrical housings 1 form, one eddy flow head 3 is installed in the end of nozzle core 2, it is inner and coaxial with the axial line OO ' of nozzle housing that nozzle core 2 is installed in nozzle housing, on conical end 1 ' top along the axial line OO ' of nozzle housing axially offer one first spray orifice 10, along offering 2～12 second spray orifices 11 on the same circumference on conical end 1 ' taper seat; The axial line AA ' of second spray orifice 11 is 0～70 ° with the angle of axial line OO '.In nozzle core 2, have oil inlet passage 9 along axial line OO ', on the direction of the core wall upper edge of nozzle core 2, have oilhole 6 perpendicular to axial line OO ', have pore 7 being nested on the direction parallel of cylinder upper edge on nozzle core 2 outer walls, form one-level mixing chamber 4 and inlet channel 8 with axial line OO '.
Embodiment 3:
As shown in Figure 1, liquid fuel atomization nozzle of the present utility model, nozzle housing by conical end 1 ' and cylindrical housings 1 form, one eddy flow head 3 is installed in the end of nozzle core 2, it is inner and coaxial with the axial line OO ' of nozzle housing that nozzle core 2 is installed in nozzle housing, on conical end 1 ' top along the axial line OO ' of nozzle housing axially offer one first spray orifice 10, along offering 2～12 the 3rd spray orifices 12 on the same circumference on conical end 1 ' taper seat; In nozzle core 2, have oil inlet passage 9 along axial line OO ', on the direction of the core wall upper edge of nozzle core 2, have oilhole 6 perpendicular to axial line OO ', have pore 7 being nested on the direction parallel of cylinder upper edge on nozzle core 2 outer walls, form one-level mixing chamber 4 and inlet channel 8 with axial line OO '.
Embodiment 4:
As shown in Figure 1, liquid fuel atomization nozzle of the present utility model, nozzle housing by conical end 1 ' and cylindrical housings 1 form, one eddy flow head 3 is installed in the end of nozzle core 2, it is inner and coaxial with the axial line OO ' of nozzle housing that nozzle core 2 is installed in nozzle housing, on conical end 1 ' top along the axial line OO ' of nozzle housing axially offer one first spray orifice 10, along offering 2～12 the 3rd spray orifices 12 on the same circumference on conical end 1 ' taper seat; The axial line BB ' of the 3rd spray orifice 12 is 15～75 ° with the angle of axial line OO '.In nozzle core 2, have oil inlet passage 9 along axial line OO ', on the direction of the core wall upper edge of nozzle core 2, have oilhole 6 perpendicular to axial line OO ', have pore 7 being nested on the direction parallel of cylinder upper edge on nozzle core 2 outer walls, form one-level mixing chamber 4 and inlet channel 8 with axial line OO '.
Embodiment 5:
As shown in Figure 1, liquid fuel atomization nozzle of the present utility model, nozzle housing by conical end 1 ' and cylindrical housings 1 form, one eddy flow head 3 is installed in the end of nozzle core 2, it is inner and coaxial with the axial line OO ' of nozzle housing that nozzle core 2 is installed in nozzle housing, axially offer one first spray orifice 10 on conical end 1 ' top along the axial line OO ' of nozzle housing, angle along the axial line AA ' that offers 1～6 second spray orifice, 11, the second spray orifices 11 on the same circumference on conical end 1 ' taper seat and axial line OO ' is 0～70 °; Along conical end 1 ' with the taper seat of second spray orifice, 11 same circumference on offer 1～6 the 3rd spray orifice, 12, the three spray orifices 12 the angle of axial line BB ' and axial line OO ' be 15～75 °; In nozzle core 2, have oil inlet passage 9 along axial line OO ', on the direction of the core wall upper edge of nozzle core 2, have oilhole 6 perpendicular to axial line OO ', have pore 7 being nested on the direction parallel of cylinder upper edge on nozzle core 2 outer walls, form one-level mixing chamber 4 and inlet channel 8 with axial line OO '.
Embodiment 6:
As shown in Figure 1, liquid fuel atomization nozzle of the present utility model, nozzle housing by conical end 1 ' and cylindrical housings 1 form, one eddy flow head 3 is installed in the end of nozzle core 2, it is inner and coaxial with the axial line OO ' of nozzle housing that nozzle core 2 is installed in nozzle housing, axially offer one first spray orifice 10 on conical end 1 ' top along the axial line OO ' of nozzle housing, angle along the axial line AA ' that offers 2～12 second spray orifices, 11, the second spray orifices 11 on the same circumference on conical end 1 ' taper seat and axial line OO ' is 0～70 °; Along conical end 1 ' the taper seat of another circumference on offer 2～12 the 3rd spray orifices, 12, the three spray orifices 12 the angle of axial line BB ' and axial line OO ' be 15～75 °; In nozzle core 2, have oil inlet passage 9 along axial line OO ', on the direction of the core wall upper edge of nozzle core 2, have oilhole 6 perpendicular to axial line OO ', have pore 7 being nested on the direction parallel of cylinder upper edge on nozzle core 2 outer walls, form one-level mixing chamber 4 and inlet channel 8 with axial line OO '.
Claims (7)
1, a kind of liquid fuel atomization nozzle, nozzle housing is made up of conical end (1 ') and cylindrical housings (1), one eddy flow head (3) is installed in the end of nozzle core (2), it is inner and coaxial with the axial line (OO ') of nozzle housing that nozzle core (2) is installed in nozzle housing, on conical end (1 ') top along the axial line (OO ') of nozzle housing axially offer one first spray orifice (10), it is characterized in that along offering 2～12 spray orifices on the same circumference on conical end (1 ') taper seat; In nozzle core (2), have oil inlet passage (9) along axial line (OO '), on the direction of the core wall upper edge of nozzle core (2), have oilhole (6) perpendicular to axial line (OO '), have pore (7) being nested on the direction parallel of cylinder upper edge on nozzle core (2) outer wall, form one-level mixing chamber (4) and inlet channel (8) with axial line (OO ').
2, a kind of liquid fuel atomization nozzle according to claim 1 is characterized in that 2～12 second spray orifices of evenly offering along on the same circumference on conical end (1 ') taper seat (11).
3, a kind of liquid fuel atomization nozzle according to claim 1, it is characterized in that the axial line (AA ') of second spray orifice (11) is 0～70 ° with the angle of axial line (OO ') along offering 2～12 second spray orifices (11) on the same circumference on conical end (1 ') taper seat.
4, a kind of liquid fuel atomization nozzle according to claim 1 is characterized in that 2～12 the 3rd spray orifices of evenly offering along on the same circumference on conical end (1 ') taper seat (12).
5, a kind of liquid fuel atomization nozzle according to claim 1, it is characterized in that the axial line (BB ') of the 3rd spray orifice (12) is 15～75 ° with the angle of axial line (OO ') along offering 2～12 the 3rd spray orifices (12) on the same circumference on conical end (1 ') taper seat.
6, a kind of liquid fuel atomization nozzle according to claim 1, it is characterized in that the axial line (AA ') of second spray orifice (11) is 0～70 ° with the angle of axial line (OO ') along offering 1～6 second spray orifice (11) on the same circumference on conical end (1 ') taper seat; Along offering 1～6 the 3rd spray orifice (12) on the taper seat of conical end (1 ') and the same circumference of second spray orifice (11), the axial line (BB ') of the 3rd spray orifice (12) is 15～75 ° with the angle of axial line (OO '); Second spray orifice (11) is alternately evenly arranged with the 3rd spray orifice (12).
7, a kind of liquid fuel atomization nozzle according to claim 1, it is characterized in that the axial line (AA ') of second spray orifice (11) is 0～70 ° with the angle of axial line (OO ') along offering 2～12 second spray orifices (11) on the same circumference on conical end (1 ') taper seat; Along offering 2～12 the 3rd spray orifices (12) on the taper seat of another circumference of conical end (1 '), the axial line (BB ') of the 3rd spray orifice (12) is 15～75 ° with the angle of axial line (OO ').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201821123U CN201306710Y (en) | 2008-11-25 | 2008-11-25 | Fluid fuel spraying nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201821123U CN201306710Y (en) | 2008-11-25 | 2008-11-25 | Fluid fuel spraying nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201306710Y true CN201306710Y (en) | 2009-09-09 |
Family
ID=41099174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201821123U Expired - Fee Related CN201306710Y (en) | 2008-11-25 | 2008-11-25 | Fluid fuel spraying nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201306710Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179132A (en) * | 2015-09-30 | 2015-12-23 | 吉林大学 | Needle valve body on oil injector of diesel oil/natural gas dual-fuel engine |
| CN105710606A (en) * | 2015-11-25 | 2016-06-29 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method of gas generator nozzle head |
-
2008
- 2008-11-25 CN CNU2008201821123U patent/CN201306710Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179132A (en) * | 2015-09-30 | 2015-12-23 | 吉林大学 | Needle valve body on oil injector of diesel oil/natural gas dual-fuel engine |
| CN105710606A (en) * | 2015-11-25 | 2016-06-29 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method of gas generator nozzle head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20091225 |