CN106090914B - Combustion nozzle and injection method thereof - Google Patents
Combustion nozzle and injection method thereof Download PDFInfo
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- CN106090914B CN106090914B CN201610380783.XA CN201610380783A CN106090914B CN 106090914 B CN106090914 B CN 106090914B CN 201610380783 A CN201610380783 A CN 201610380783A CN 106090914 B CN106090914 B CN 106090914B
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- pure oxygen
- fuel
- nozzle body
- zle
- membrane
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
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- 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)
Abstract
The present invention provides a combustion nozzle and a method of injecting the same, the combustion nozzle comprising: a nozzle body having a fuel inlet and a pure oxygen inlet at one end thereof and a plurality of diaphragm outer chambers formed at the other end thereof; wherein, a fuel channel is arranged in the nozzle body, one end of the fuel channel is communicated with the fuel inlet, the other end of the fuel channel is communicated with the plurality of diaphragm outer cavities through a plurality of fuel inclined holes, and the fuel inclined holes are arranged in an inclined way along the radial direction of the injection direction of the fuel; the nozzle body is also internally provided with a pure oxygen channel, one end of the pure oxygen channel is communicated with the pure oxygen inlet, the other end of the pure oxygen channel is communicated with the plurality of diaphragm outer cavities through a plurality of pure oxygen inclined holes, and the pure oxygen inclined holes are arranged along the radial inward inclination of the injection direction of the pure oxygen. The combustion nozzle and the injection method thereof can uniformly atomize the pure oxygen and the natural gas, so that the uniformly atomized pure oxygen and the uniformly atomized natural gas can be fully combusted in the generator.
Description
Technical field
The present invention is related to a kind of nozzle and its injection method, more particularly to the combustion in a kind of high-pressure combustion technical field
Burn nozzle and its injection method.
Background technology
Multielement hot fluid technology heating exploitation viscous crude is a kind of very efficient new technology, with high combustion efficiency, zero
Carbon injects the advantage of environmental protection and energy saving, and the high temperature polyol hot fluid of multielement hot fluid technology export has comprehensive stimulation machanism, can be big
Width improves single well productivity and improves oil recovery factor.
Multielement hot fluid technology is exploited for oil-sand, and Core equipment is generator, at present, to the more of generator output
First hot fluid component requirements remove nitrogen or reduce nitrogen content, mainly by using the pure oxygen and natural gas of oxygen content more than 90%
The mode of blending realizes the clean-burning needs of high pressure.
The burner noz(zle) of the generator is to realize pure oxygen, the clean-burning core component of natural gas high temperature, in the prior art,
The easy scaling loss of nozzle used by the generator, and blending pure oxygen, the effect of natural gas are bad, easily lead to combustion instability.
Therefore, it is necessary to a kind of new nozzle and injection method are provided, to overcome drawbacks described above.
The content of the invention
The object of the present invention is to provide a kind of burner noz(zle)s, can pure oxygen and natural gas be carried out uniform atomizing, made homogeneous
The pure oxygen and natural gas of atomization fully burn in generator, and the burner noz(zle) is rational in infrastructure, safe and reliable, service life is long.
It is a further object of the present invention to provide a kind of injection method, which can carry out pure oxygen and natural gas uniform
Atomization, the pure oxygen and natural gas for making homogeneous atomization fully burn in generator.
Following technical proposal can be used to realize in the above-mentioned purpose of the present invention：
The present invention provides a kind of burner noz(zle), and the burner noz(zle) includes：
Nozzle body, its one end have fuel inlet and pure oxygen inlet, and the other end is formed with multiple membrane exocoels；
Wherein, fuel channel is equipped in the nozzle body, one end of the fuel channel is connected with the fuel inlet
Logical, the other end is connected by multiple fuel inclined holes with multiple membrane exocoels, injection of the fuel inclined hole along fuel
Direction is radially outwardly sloping setting；Be additionally provided with pure oxygen passage in the nozzle body, one end of the pure oxygen passage with it is described pure
Oxygen entrance is connected, and the other end of the pure oxygen passage is connected by multiple pure oxygen inclined holes with multiple membrane exocoels, institute
Pure oxygen inclined hole is stated radially-inwardly to be obliquely installed along the injection direction of pure oxygen.
In a preferred embodiment, the pure oxygen passage is circular passage, and the pure oxygen passage is disposed around the fuel
The periphery of passage.
In a preferred embodiment, the ring cavity width of the pure oxygen passage and the ratio of the diameter of the pure oxygen inclined hole are
2.83。
In a preferred embodiment, the ratio of the diameter of the fuel channel and the diameter of the fuel inclined hole is 2.0.
In a preferred embodiment, multiple membrane exocoels are circumferentially disposed in the end of the nozzle body
Face, the outer contour shape of the membrane exocoel is fan shape, and the central angle of the sector is 60 °~90 °.
In a preferred embodiment, the membrane exocoel is the spherical groove for being arranged on the nozzle body end, institute
The spherical radius for stating spherical groove is 50mm~100mm.
In a preferred embodiment, institute between the outer edge tangent line of the spherical groove and the end face of the nozzle body
The acute angle of formation is 5 °~15 °.
In a preferred embodiment, multiple pure oxygen inclined holes are circumferentially spaced is arranged on the nozzle body
Interior, the acute angle formed between the axis of the pure oxygen inclined hole and the axis of the nozzle body is 15 °~45 °.
In a preferred embodiment, multiple fuel inclined holes are circumferentially spaced is arranged on the nozzle body
Interior, the obtuse angle formed between the axis of the fuel inclined hole and the axis of the nozzle body is 135 °~175 °.
In a preferred embodiment, a diameter of 1.25mm~4.35mm of the pure oxygen inclined hole；The fuel inclined hole
A diameter of 0.25mm~1.35mm.
The present invention also provides a kind of injection method of above-mentioned burner noz(zle), the injection method includes the following steps：
A) natural gas is injected into the fuel channel of nozzle body, is injected into the pure oxygen passage of the nozzle body pure
Oxygen；
B) natural gas radially outward sprays multiple membrane exocoels of the nozzle body through multiple fuel inclined holes, described
Pure oxygen radially-inwardly sprays multiple membrane exocoels of the nozzle body by multiple pure oxygen inclined holes.
In a preferred embodiment, in the step b), the natural gas is after fuel inclined hole ejection, in institute
It states the outer intracavitary of membrane and forms one layer of fuel membrane layer.
In a preferred embodiment, the thickness of the fuel membrane layer is 0.5mm~1.5mm.
The characteristics of burner noz(zle) and its injection method of the present invention and advantage are：
First, the present invention by the pure oxygen inclined hole that is radially-inwardly obliquely installed and be radially outwardly sloping setting fuel it is oblique
Hole, it is ensured that from nozzle body spray pure oxygen and natural gas fully blend atomization, be effectively ensured natural gas ejection after with it is pure
The head-on collision blending of oxygen；In addition, multiple membrane exocoels by being arranged on nozzle body end face, can make from the day that fuel inclined hole sprays
Right gas intracavitary outside membrane forms one layer of fuel membrane layer, which can radiate pure oxygen, natural gas high-temp combustion
Heat is taken away, and has effectively completely cut off pure oxygen and contacting directly under nozzle body high temperature, improves the service life of burner noz(zle).
2nd, the present invention is by the design of the ratio of the ring cavity width to pure oxygen passage and the diameter of pure oxygen inclined hole and to combustion
Expect that the ratio of the diameter of passage and the diameter of fuel inclined hole designs, the natural gas and pure oxygen that are sprayed from nozzle body can be made, according to
After certain proportioning and speed head-on collision blending, fully burn in the combustion chamber of generator and generate carbon dioxide, in combustion product
Nitrogen content is few, meets the requirement of later stage production operation.
3rd, the present invention can make natural gas spray into membrane from fuel inclined hole by the way that membrane exocoel is designed as spherical groove shape
After exocoel, natural gas is interior receipts during the end face of intracavitary exits nozzle body outside the membrane of spherical groove shape, afterwards whole days
Right gas blends delivery nozzle body with the pure oxygen head-on collision sprayed from pure oxygen inclined hole and leaves the end face of nozzle body, is pure oxygen, natural
Gas provides safeguard in the indoor abundant burning of burning of generator.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the schematic cross-sectional view of the burner noz(zle) of the present invention.
Fig. 2 is the stereogram of the embodiment one of the burner noz(zle) of the present invention.
Fig. 3 is the stereogram of the embodiment two of the burner noz(zle) of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
Embodiment one
As shown in Figure 1 to Figure 3, the present invention provides a kind of burner noz(zle), including nozzle body 1, the one of the nozzle body 1
End has fuel inlet 11 and pure oxygen inlet 12, and the other end is formed with multiple membrane exocoels 13；Wherein, the nozzle body 1
Interior to be equipped with fuel channel 14, one end of the fuel channel 14 is connected with the fuel inlet 11, and the other end passes through multiple
Fuel inclined hole 141 is connected with multiple membrane exocoels 13, the fuel inclined hole 141 along fuel injection direction radially outward
It is obliquely installed；Pure oxygen passage 15, one end of the pure oxygen passage 15 and the pure oxygen inlet 12 are additionally provided in the nozzle body 1
It is connected, the other end of the pure oxygen passage 15 is connected by multiple pure oxygen inclined holes 151 with multiple membrane exocoels 13, institute
Pure oxygen inclined hole 151 is stated radially-inwardly to be obliquely installed along the injection direction of pure oxygen.
Specifically, for nozzle body 1 substantially in cylindrical, one end is equipped with fuel inlet 11 and pure oxygen inlet 12,
Other end is equipped with multiple membrane exocoels 13.In the present embodiment, which is to be arranged on the recessed of 1 end of nozzle body
Slot.
Fuel channel 14 is arranged at the central axis of nozzle body 1, and its one end is connected with fuel inlet 11, another
End is communicated with multiple fuel inclined holes 141, those fuel inclined holes 141 are connected respectively with multiple membrane exocoels 13, in the present invention,
The quantity of fuel inclined hole 141 is identical with the quantity of membrane exocoel 13, and each membrane exocoel 13 corresponds to and 141 phase of fuel inclined hole
It is logical.Those fuel inclined holes 141 are along the circumferential direction arranged in nozzle body 1 at equal intervals, the injection of the fuel inclined hole 141 along fuel
Direction is radially outwardly sloping setting, that is, centered on the axis of nozzle body 1, the fuel inclined hole 141 is from nozzle body 1
Axis with radially outward and towards the direction spray fuel of membrane exocoel 13 so that fuel in divergent shape from nozzle body 1
End face sprays.In the present embodiment, it is used to be passed through natural gas gas in fuel channel 14.
Pure oxygen passage 15 is arranged in nozzle body 1, and in the present embodiment, which is circular passage, this is pure
Oxygen passage 15 is disposed around the periphery of fuel channel 14.In the present invention, one end of nozzle body 1 can be equipped with multiple pure oxygen inlets
12, each pure oxygen inlet 12 is corresponded in nozzle body 1 and can be set enter passage 152 there are one pure oxygen, the one of the pure oxygen passage 15
End enters passage 152 by multiple pure oxygens and is connected with multiple pure oxygen inlets 12, and it can be circumferentially that those pure oxygens, which enter passage 152,
Direction is arranged on the independent through-hole in nozzle body 1 at equal intervals；The other end of the pure oxygen passage 15 is communicated with multiple pure oxygen inclined holes
151, those pure oxygen inclined holes 151 are connected respectively with multiple membrane exocoels 13, in the present invention, the quantity of pure oxygen inclined hole 151 with
The quantity of membrane exocoel 13 is identical, and each correspondence of membrane exocoel 13 is communicated with a pure oxygen inclined hole 151.Those pure oxygen inclined holes 151
It is along the circumferential direction arranged at equal intervals in nozzle body 1, the injection direction of pure oxygen inclined hole 151 along the pure oxygen, which radially-inwardly tilts, to be set
It puts, that is, centered on the axis of nozzle body 1, the pure oxygen inclined hole 151 is with radially-inwardly and towards the axis of nozzle body 1
Pure oxygen is ejected in direction from membrane exocoel 13, so that pure oxygen is sprayed in contraction-like from the end face of nozzle body 1.In the present embodiment
In, for being passed through pure oxygen gas in pure oxygen passage 15, which is the pure oxygen gas of oxygen content more than 90%.
The burner noz(zle) of the present invention, can be applicable on pure oxygen composite heat carrier generator, the burner noz(zle) can by pure oxygen and
Natural gas carries out uniform atomizing, and the pure oxygen of homogeneous atomization and natural gas is made to realize that high pressure is filled in pure oxygen composite heat carrier generator
Divided combustion, the burner noz(zle) are realizing multielement hot fluid technology answering in oil-sand exploitation on the basis of reducing operating cost
With.
The present invention by the pure oxygen inclined hole 151 that is radially-inwardly obliquely installed and be radially outwardly sloping setting fuel it is oblique
Hole 141, it is ensured that the pure oxygen and natural gas sprayed from nozzle body 1 fully blends atomization, after natural gas ejection has been effectively ensured
Head-on collision with pure oxygen blends；In addition, multiple membrane exocoels 13 by being arranged on 1 end face of nozzle body, can make from fuel inclined hole
141 natural gases sprayed form one layer of fuel membrane layer, in the present invention, the thickness of the fuel membrane layer in membrane exocoel 13
For 0.5mm~1.5mm, can block nozzle body 1 by fire end face directly by fire, which can be by pure oxygen, natural
The heat of gas high-temp combustion radiation is taken away, and has effectively completely cut off pure oxygen and contacting directly under 1 high temperature of nozzle body, has played reduction
The effect of the metal end face temperature of nozzle body 1 improves the service life of burner noz(zle).
In one embodiment of the present invention, the ring cavity width D of the pure oxygen passage 15 and the pure oxygen inclined hole 151 is straight
The ratio of footpath R1 is 2.83, that is, D/R1=2.83.The pure oxygen in high pressure for making to be passed through in pure oxygen passage 15 is according to 1:8 compression ratio
It is sprayed into from pure oxygen passage 15 in pure oxygen inclined hole 151, finally injection forms jet stream and sprayed from the membrane exocoel 13 of nozzle body 1.
Further, the ratio of the diameter R2 of the fuel channel 14 and diameter R3 of the fuel inclined hole 141 is 2.0,
That is, R2/R3=2.0.The high-pressure natural gas for making to be passed through in fuel channel 14 is according to 1:4 compression ratio is sprayed into from fuel channel 14
In fuel inclined hole 141, finally injection forms jet stream and is sprayed from the membrane exocoel 13 of nozzle body 1.
The present invention by the ratio design of the ring cavity width D to pure oxygen passage 15 and the diameter R1 of pure oxygen inclined hole 151 and
The ratio of the diameter R3 of the diameter R2 and fuel inclined hole 141 of fuel channel 14 is designed, can make to spray from nozzle body 1 natural
Gas and pure oxygen according to a certain ratio with after speed head-on collision blending, fully fire in the combustion chamber of pure oxygen composite heat carrier generator
It burns and generates carbon dioxide, nitrogen content is few in combustion product, meets the requirement of later stage production operation.
In an embodiment of the invention, multiple membrane exocoels 13 are circumferentially disposed in the nozzle sheet
The end face of body 1, the outer contour shape of the membrane exocoel 13 are fan shape, the central angle θ of the sector1For 60 °~90 °.
Specifically, the membrane exocoel 13 is is located at arc groove of the nozzle body 1 by fire end face, as shown in Fig. 2, in nozzle
The end face of body 1 is set there are four membrane exocoel 13, which is along the circumferential direction sequentially connected；It as shown in figure 3, should
The end face of nozzle body 1 is equipped with eight membrane exocoels 13, which is along the circumferential direction sequentially connected.Certainly, exist
In the other embodiment of the present invention, nozzle body 1 by fire end face according to needs of production can set there are five, six or other
The membrane exocoel 13 of quantity, this is not restricted.
From nozzle body 1 by terms of fire end face, the outer contour shape of the membrane exocoel 13 is fan shape, be sparged into every
Gas flow in film exocoel 13 is flowed in fan shape, the fan-shaped central angle θ1For 60 °~90 °, central angle θ1Size
It can be depending on quantity of the nozzle body 1 by the membrane exocoel 13 in fire end face be arranged on.
Further, in the present invention, which is to be arranged on the spherical groove of 1 end of nozzle body, the ball
The spherical radius of face groove is 50mm~100mm.The outer edge tangent line F of the spherical groove and nozzle body 1 by fire end face it
Between the acute angle theta that is formed2For 5 °~15 °.
The present invention by the way that membrane exocoel 13 is designed as spherical groove shape, can make natural gas from fuel inclined hole 141 spray into every
After film exocoel 13, natural gas can form natural gas air film along spherical-concave-surface, which is fuel membrane layer, and natural
Gas out of spherical groove shape membrane exocoel 13 exits nozzle body 1 by fire end face when be interior receipts, all natural gas afterwards
With the pure oxygen head-on collision blending delivery nozzle body 1 sprayed from pure oxygen inclined hole 151 and leave nozzle body 1 by fire end face, be pure oxygen,
Natural gas provides safeguard in the indoor abundant burning of burning of generator.
In an embodiment of the invention, multiple pure oxygen inclined holes 151 are along the circumferential direction arranged on nozzle sheet at equal intervals
In body 1, the acute angle theta that is formed between the axis of the pure oxygen inclined hole 151 and the axis of nozzle body 13For 15 °~45 °.Further
, multiple fuel inclined holes 141 are circumferentially spaced to be arranged in nozzle body 1, axis and the nozzle sheet of the fuel inclined hole 141
The obtuse angle θ formed between the axis of body 14For 135 °~175 °.
Specifically, the axis of the pure oxygen inclined hole 151 is set with the substantially perpendicular state of the axis of fuel inclined hole 141, and
The axis of the fuel inclined hole 141 and the acute angle theta formed between by fire end face of nozzle body 15For 5 °~45 °, it is preferred that acute angle
θ5It can be 30 °.
The present invention by multiple fuel inclined holes 141 by high-pressure natural gas according to 135 °~175 ° firing angle exits nozzle bodies 1,
And the fan-shaped air-flow face of 60 °~90 ° of the formation of membrane exocoel 13 in nozzle body 1, it ensure that natural gas to nozzle body 1 by fire
End face forms fuel membrane layer, afterwards with the pure oxygen gas flow head-on collision blending atomization sprayed from pure oxygen inclined hole 151, utilizes fan-shaped air-flow
The heat that pure oxygen and natural gas high-temp combustion radiate is taken away, has completely cut off pure oxygen and contacting directly under 1 high temperature of nozzle body, has carried
The high service life of burner noz(zle).
In an embodiment of the invention, the diameter R1 of the pure oxygen inclined hole 151 is 1.25mm~4.35mm；The fuel
The diameter R3 of inclined hole 141 is 0.25mm~1.35mm.
Embodiment two
As shown in Figure 1 to Figure 3, the present invention also provides a kind of injection method of burner noz(zle), the injection method is using real
The burner noz(zle) of mode one is applied, structure, operation principle and the advantageous effect of the burner noz(zle) are identical with embodiment one,
This is repeated no more.The injection method includes the following steps：
A) natural gas is injected into the fuel channel 14 of nozzle body 1, is noted into the pure oxygen passage 15 of the nozzle body 1
Enter pure oxygen；
B) natural gas radially outward sprays multiple membrane exocoels of the nozzle body 1 through multiple fuel inclined holes 141
13, the pure oxygen radially-inwardly sprays multiple membrane exocoels 13 of the nozzle body 1 by multiple pure oxygen inclined holes 151.
Specifically, in step a), the pure oxygen in injection pure oxygen passage 15 is the pure oxygen gas of oxygen content more than 90%.
In step b), inject fuel channel 14 high-pressure natural gas by multiple fuel inclined holes 141 with 135 °~175 °
Firing angle exits nozzle body 1, and the fan-shaped air-flow face of 60 °~90 ° of the formation of membrane exocoel 13 in nozzle body 1；Meanwhile it injects
The pure oxygen in high pressure of pure oxygen passage 15 is from multiple pure oxygen inclined holes 151 with 15 °~45 ° firing angle exits nozzle bodies 1.
Finally, from the high-pressure natural gas that fuel inclined hole 141 sprays and the pure oxygen gas flow sprayed from pure oxygen inclined hole 151, spraying
Mouth body 1 is atomized by fire end in face of hitting blending.
In the present invention, in above-mentioned steps b), due to membrane exocoel 13 be arranged on nozzle body 1 by fire end face
Arc groove, which can form one layer of fuel after fuel inclined hole 141 sprays membrane exocoel 13 in membrane exocoel 13
Membrane layer, in the present embodiment, the thickness of the fuel membrane layer is 0.5mm~1.5mm, which can block nozzle sheet
Body 1 by fire end face directly by fire, the heat that pure oxygen, natural gas high-temp combustion radiate can be taken away, effectively completely cut off pure oxygen
With contacting directly under 1 high temperature of nozzle body, play the role of reducing the metal end face temperature of nozzle body 1, improve combustion
Burn the service life of nozzle.
The injection method of the present invention passes through the pure oxygen inclined hole 151 being radially-inwardly obliquely installed and radial direction of burner noz(zle)
It is inclined outwardly the fuel inclined hole 141 of setting, it is ensured that the pure oxygen and natural gas sprayed from nozzle body 1 fully blends atomization, has
Effect ensure that natural gas blends after spraying with the head-on collision of pure oxygen, and the abundant burning for natural gas and pure oxygen provides safeguard.
The foregoing is merely several embodiments of the present invention, and those skilled in the art is according to application documents disclosure
Various changes or modifications can be carried out without departing from the spirit and scope of the present invention to the embodiment of the present invention.
Claims (13)
1. a kind of burner noz(zle), which is characterized in that the burner noz(zle) includes：
Nozzle body, its one end have fuel inlet and pure oxygen inlet, and the other end is formed with multiple membrane exocoels；
Wherein, fuel channel is equipped in the nozzle body, one end of the fuel channel is connected with the fuel inlet,
The other end is connected by multiple fuel inclined holes with multiple membrane exocoels, injection direction footpath of the fuel inclined hole along fuel
It is set to being inclined outwardly；Pure oxygen passage, one end and the pure oxygen inlet of the pure oxygen passage are additionally provided in the nozzle body
It is connected, the other end of the pure oxygen passage is connected by multiple pure oxygen inclined holes with multiple membrane exocoels, the pure oxygen
Inclined hole is radially-inwardly obliquely installed along the injection direction of pure oxygen.
2. burner noz(zle) as described in claim 1, which is characterized in that the pure oxygen passage is circular passage, and the pure oxygen leads to
Road is disposed around the periphery of the fuel channel.
3. burner noz(zle) as claimed in claim 2, which is characterized in that the ring cavity width and the pure oxygen of the pure oxygen passage are oblique
The ratio of the diameter in hole is 2.83.
4. burner noz(zle) as claimed in claim 2, which is characterized in that the diameter of the fuel channel and the fuel inclined hole
The ratio of diameter is 2.0.
5. burner noz(zle) as described in claim 1, which is characterized in that multiple membrane exocoels are circumferentially disposed in institute
State the end face of nozzle body, the outer contour shape of the membrane exocoel is fan shape, the central angle of sector is 60 °~
90°。
6. the burner noz(zle) as described in claim 1 or 5, which is characterized in that the membrane exocoel is to be arranged on the nozzle sheet
The spherical groove in body end portion, the spherical radius of the spherical groove is 50mm~100mm.
7. burner noz(zle) as claimed in claim 6, which is characterized in that the outer edge tangent line of the spherical groove and the nozzle
The acute angle formed between the end face of body is 5 °~15 °.
8. burner noz(zle) as claimed in claim 2, which is characterized in that multiple circumferentially spaced settings of pure oxygen inclined hole
In the nozzle body, the acute angle formed between the axis of the pure oxygen inclined hole and the axis of the nozzle body is 15 °
~45 °.
9. burner noz(zle) as claimed in claim 2, which is characterized in that multiple circumferentially spaced settings of fuel inclined hole
In the nozzle body, the obtuse angle formed between the axis of the fuel inclined hole and the axis of the nozzle body is 135 °
~175 °.
10. burner noz(zle) as described in claim 1, which is characterized in that a diameter of 1.25mm of the pure oxygen inclined hole~
4.35mm；A diameter of 0.25mm~1.35mm of the fuel inclined hole.
It is 11. a kind of such as the injection method of burner noz(zle) according to any one of claims 1 to 10, which is characterized in that the spray
Shooting method includes the following steps：
A) natural gas is injected into the fuel channel of nozzle body, injects pure oxygen into the pure oxygen passage of the nozzle body；
B) natural gas radially outward sprays multiple membrane exocoels of the nozzle body, the pure oxygen through multiple fuel inclined holes
Multiple membrane exocoels of the nozzle body are radially-inwardly sprayed by multiple pure oxygen inclined holes.
12. injection method as claimed in claim 11, which is characterized in that in the step b), described in the natural gas warp
After fuel inclined hole sprays, intracavitary forms one layer of fuel membrane layer outside the membrane.
13. injection method as claimed in claim 12, which is characterized in that the thickness of the fuel membrane layer for 0.5mm~
1.5mm。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610380783.XA CN106090914B (en) | 2016-06-01 | 2016-06-01 | Combustion nozzle and injection method thereof |
| PCT/CN2016/089996 WO2017206283A1 (en) | 2016-06-01 | 2016-07-14 | Combustion nozzle and ejection method thereof, generator head construction, pure oxygen composite heat carrier generator, and method for generating composite heat carrier |
| EA201792637A EA035825B1 (en) | 2016-06-01 | 2016-07-14 | Combustion nozzle and ejection method, generator head construction, pure oxygen composite heat carrier generator and method for generating composite heat carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610380783.XA CN106090914B (en) | 2016-06-01 | 2016-06-01 | Combustion nozzle and injection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090914A CN106090914A (en) | 2016-11-09 |
| CN106090914B true CN106090914B (en) | 2018-05-18 |
Family
ID=57229886
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610380783.XA Active CN106090914B (en) | 2016-06-01 | 2016-06-01 | Combustion nozzle and injection method thereof |
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| CN (1) | CN106090914B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442399B (en) * | 2018-07-20 | 2020-02-18 | 北京航空航天大学 | Opposed direct injection low-nitrogen combustor |
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| CN205782939U (en) * | 2016-06-01 | 2016-12-07 | 天津中油锐思技术开发有限责任公司 | Combustion nozzle |
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| JP2006275334A (en) * | 2005-03-28 | 2006-10-12 | Osaka Gas Co Ltd | Combustion device for heating furnace |
| JP2008286443A (en) * | 2007-05-16 | 2008-11-27 | Taiyo Nippon Sanso Corp | Burner for manufacturing inorganic spheroidized particle |
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| CN201697128U (en) * | 2010-06-07 | 2011-01-05 | 安徽省科捷再生能源利用有限公司 | Oxygen-rich combustion device |
| CN203177179U (en) * | 2013-03-27 | 2013-09-04 | 鞍钢股份有限公司 | Oxygen enrichment burning nozzle capable of quickly improving temperature of furnace end |
| CN205782939U (en) * | 2016-06-01 | 2016-12-07 | 天津中油锐思技术开发有限责任公司 | Combustion nozzle |
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| CN106090914A (en) | 2016-11-09 |
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Address after: 300384 the Binhai New Area of Tianjin Mei Yuan Lu square - No. 5 block 2016 Applicant after: China Petroleum Technology Development Co., Ltd. Applicant after: Beijing Yitong Petroleum Technology Co., Ltd. Address before: 300384 the Binhai New Area of Tianjin Mei Yuan Lu square - No. 5 block 2016 Applicant before: Tianjin China Petroleum Ruisi Technology Development Co., Ltd. Applicant before: Beijing Yitong Petroleum Technology Co., Ltd. |
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Effective date of registration: 20210616 Address after: Jinzuo Plaza, No.5, Meiyuan Road, Binhai New Area, Tianjin 300384-2016 Patentee after: China Petroleum Technology Development Co.,Ltd. Patentee after: JIANGSU YITONG PETROLEUM TECHNOLOGY Co.,Ltd. Address before: 300384 jinzuo Plaza, No.5, Meiyuan Road, Binhai high tech Zone, Tianjin city - 2016 Patentee before: China Petroleum Technology Development Co.,Ltd. Patentee before: BEIJING YITONG PETROLEUM TECHNOLOGY Co.,Ltd. |