CN105910086B - Generator head structure and assembling method thereof - Google Patents
Generator head structure and assembling method thereof Download PDFInfo
- Publication number
- CN105910086B CN105910086B CN201610380530.2A CN201610380530A CN105910086B CN 105910086 B CN105910086 B CN 105910086B CN 201610380530 A CN201610380530 A CN 201610380530A CN 105910086 B CN105910086 B CN 105910086B
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- pure oxygen
- fuel
- generator
- high temperature
- passage
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
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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
- F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
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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
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
Abstract
The invention provides a generator head structure and an assembling method thereof, wherein the generator head structure comprises: a head body having a nozzle passage and an ignition electrode passage formed therein; a combustion nozzle located in the nozzle passage and having a nozzle body with a fuel inlet and a pure oxygen inlet at one end and a plurality of diaphragm outer chambers formed at the other end; a fuel channel communicated with the fuel inlet is arranged in the nozzle body, the other end of the fuel channel is communicated with the plurality of outer membrane cavities through a plurality of fuel inclined holes, and the fuel inclined holes are arranged in an inclined mode along the radial direction of the injection direction of the fuel; the nozzle body is also internally provided with a pure oxygen channel 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 in an inclined manner along the injection direction of the pure oxygen; an ignition electrode positioned within the ignition electrode channel. The invention is high temperature resistant, oxidation resistant, safe and reliable in head structure and long in service life.
Description
Technical field
The present invention is related to a kind of generator head construction and its assemble method, more particularly in a kind of high-pressure combustion technology
Generator head construction and its assemble method in field.
Background technology
Multielement hot fluid technology heating exploitation viscous crude is a kind of very efficient new technology, and it has 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 its Core equipment is generator, at present, to the polynary of generator output
Hot fluid component requirements remove nitrogen or reduce nitrogen content, are mainly mixed by using the pure oxygen and natural gas of oxygen content more than 90%
Mixed mode realizes the clean-burning needs of high pressure.
Above-mentioned generator ignition temperature is high, pressure is high, and high temperature oxidation stability is also extremely strong, of the prior art positioned at generation
Generator head construction non-refractory and non-resistance to oxidation below device；In addition, it is arranged on the nozzle in generator head construction
Easy scaling loss, and nozzle blending pure oxygen, the effect of natural gas are bad, are easily caused combustion instability.
Therefore, it is necessary to a kind of new generator head construction and its assemble method are provided, to overcome drawbacks described above.
The content of the invention
It is an object of the invention to provide a kind of generator head construction, its high temperature resistant, resistance to oxidation, the nozzle energy in it will be pure
Oxygen and natural gas carry out uniform atomizing, and the pure oxygen and natural gas for making homogeneous atomization fully burn in generator, the generator head
Portion is rational in infrastructure, safe and reliable, service life length.
It is a further object of the present invention to provide a kind of assemble method of generator head construction, assembled by the assemble method
Into generator head construction high temperature resistant, resistance to oxidation, and the uniform atomizing of pure oxygen and natural gas can be realized, make the pure of homogeneous atomization
Oxygen and natural gas fully burn in generator.
The above-mentioned purpose of the present invention can be realized using following technical proposal：
The present invention provides a kind of generator head construction, and the generator head construction includes：
Head body, it has the inner face relative with the combustion chamber of generator, led in the head body provided with nozzle
Road and ignitor passage；
Burner noz(zle), it is located in the nozzle passage；The burner noz(zle) has nozzle body, the nozzle body
One end has fuel inlet and pure oxygen inlet, its other end formed with multiple barrier film exocoels, multiple barrier film exocoels with it is described
Combustion chamber is oppositely arranged；Fuel channel, one end of the fuel channel and the fuel inlet phase are provided with the nozzle body
Connection, its other end are connected by multiple fuel inclined holes with multiple barrier film exocoels, spray of the fuel inclined hole along fuel
Penetrate direction and be 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 inlet is connected, and the other end of the pure oxygen passage is connected by multiple pure oxygen inclined holes with multiple barrier film exocoels,
Injection direction of the pure oxygen inclined hole along pure oxygen is radially-inwardly obliquely installed；
Ignitor, it is located in the ignitor passage, and the ignitor is oppositely arranged with the combustion chamber.
In a preferred embodiment, high temperature resistant heat insulation layer, the burning are connected with the inner face of the head body
Nozzle and the ignitor are sealed in the high temperature resistant heat insulation layer.
In a preferred embodiment, the material of the high temperature resistant heat insulation layer is tungsten, tantalum, rhenium or osmium.
In a preferred embodiment, the inner face of the head body is formed with cooling chamber, the high temperature resistant heat insulation layer
Positioned at the top of the cooling chamber, intake tunnel is provided with the head body, the intake tunnel is connected with the cooling chamber
It is logical.
In a preferred embodiment, the pure oxygen passage is circular passage, and the pure oxygen passage, which encloses, is located at the fuel
The periphery of passage.
In a preferred embodiment, the ratio of the ring cavity width of the pure oxygen passage and the diameter of the pure oxygen inclined hole is
2.83；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 barrier film exocoels are circumferentially disposed in the end of the nozzle body
Face, the outer contour shape of the barrier film exocoel is fan shape, and the fan-shaped central angle is 60 °~90 °.
In a preferred embodiment, the barrier film 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, 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 °.
The present invention also provides a kind of assemble method of above-mentioned generator head construction, and the assemble method includes following step
Suddenly：
A) burner noz(zle) is arranged in the nozzle passage of head body, ignitor is arranged on the head body
In ignitor passage；
B) head body is sealingly mounted to the combustion chamber bottom of generator, the burner noz(zle) and the ignition power
Extremely it is oppositely arranged with the combustion chamber.
In a preferred embodiment, step a1 is also included between the step a) and the step b)) the resistance to height of installation
Warm thermal insulation layer, the high temperature resistant heat insulation layer, the combustion are installed on the head body inner face relative with the combustion chamber
Burn nozzle and the ignitor is sealed in the high temperature resistant heat insulation layer.
In a preferred embodiment, the thickness of the high temperature resistant heat insulation layer is 20mm~30mm.
In a preferred embodiment, the inner face of the head body is formed with cooling chamber, the high temperature resistant heat insulation layer
Positioned at the top of the cooling chamber, intake tunnel is provided with the head body, the intake tunnel is connected with the cooling chamber
It is logical.
The characteristics of generator head construction and its assemble method of the present invention and advantage are：
First, the present invention can realize pure oxygen and natural gas carrying out uniform-mist by the burner noz(zle) set in head body
Change, the pure oxygen of homogeneous atomization and natural gas is realized that high pressure is fully burnt in generator, the burner noz(zle) reduce operation into
Application of the multielement hot fluid technology in oil-sand exploitation is realized on the basis of this.
2nd, the burner noz(zle) set in head body of the present invention, passes through the pure of setting that radially slope inwardly in burner noz(zle)
Oxygen inclined hole and the fuel inclined hole for being radially outwardly sloping setting, it is ensured that the pure oxygen and natural gas sprayed from nozzle body is abundant
Blending atomization, the head-on collision after natural gas sprays with pure oxygen is effectively ensured and has blended；In addition, by being arranged on nozzle body by fire end
Multiple barrier film exocoels in face, can make from fuel inclined hole spray natural gas outside barrier film intracavitary formed one layer of fuel membrane layer, should
Fuel membrane layer can take away the heat that pure oxygen, natural gas high-temp combustion radiate, and effectively completely cut off pure oxygen and nozzle body high temperature
Under direct contact, improve the service life of burner noz(zle).
3rd, the present invention sets high temperature resistant heat insulation layer by the inner face in head body, when head body and generator connect
After connecing, closure in the combustion chamber end of generator and directly facing combustion chamber, effectively protects head to the high temperature resistant heat insulation layer just
Body, head body is avoided to prevent high temperature ablation head body, extend head body uses the longevity directly facing combustion chamber
Life；In addition, the burner noz(zle) and ignitor in head body are sealed in the high temperature resistant heat insulation layer, therefore, can have
Effect protection burner noz(zle) and ignitor, prevent high temperature ablation, extend the service life of burner noz(zle) and ignitor.
4th, the present invention can be achieved to carry out cooling treatment to head body by the design of the cooling chamber in head body；Together
When, can also cooling treatment be carried out to the high temperature resistant heat insulation layer for facing combustion chamber directly, prevent high temperature ablation and natural gas and pure oxygen high temperature
The situation of reaction damage head body occurs.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the cross section structure diagram of the generator head construction of the present invention.
Fig. 2 is the cross section structure diagram of the burner noz(zle) of the generator head construction of the present invention.
Fig. 3 is the stereogram of the embodiment one of the burner noz(zle) of the generator head construction of the present invention.
Fig. 4 is the stereogram of the embodiment two of the burner noz(zle) of the generator head construction of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment one
As shown in Figures 1 to 4, the invention provides a kind of generator head construction, it includes head body 2, burning spray
Mouth 10 and ignitor 3, wherein：Head body 2 has the inner face 21 relative with the combustion chamber 41 of generator 4, the head
Nozzle passage 22 and ignitor passage 23 are provided with body 2；Burner noz(zle) 10 is located in the nozzle passage 22；The burning
Nozzle 10 has nozzle body 1, and one end of the nozzle body 1 has fuel inlet 11 and pure oxygen inlet 12, its other end shape
Into there is multiple barrier film exocoels 13, the combustion chamber 41 of multiple barrier film exocoels 13 and the generator 4 is oppositely arranged；Wherein, institute
State in nozzle body 1 and be provided with fuel channel 14, one end of the fuel channel 14 is connected with the fuel inlet 11, and its is another
End is connected by multiple fuel inclined holes 141 with multiple barrier film exocoels 13, and the fuel inclined hole 141 is along the injection side of fuel
Set to being radially outwardly sloping；Be additionally provided with pure oxygen passage 15 in the nozzle body 1, one end of the pure oxygen passage 15 with it is described
Pure oxygen inlet 12 is connected, and the other end of the pure oxygen passage 15 passes through multiple pure oxygen inclined holes 151 and multiple barrier film exocoels
13 are connected, and injection direction of the pure oxygen inclined hole 151 along pure oxygen is radially-inwardly obliquely installed；Ignitor 3 is located at the point
In fiery electrode channel 23, the ignitor 3 is oppositely arranged with the combustion chamber 41.
Specifically, the generator head construction is a part of generator 4, and in the present invention, the generator 4 can be pure
Oxygen composite heat carrier generator, the generator head construction are located at the bottom of generator 4.The head sheet of the generator head construction
The outer peripheral edge of body 2 is connected by multiple connectors 24 with the generator body 42 of generator 4, and the generator body 42 is provided with combustion
Burn room 41 and the steam chamber 43 being set in outside combustion chamber 41, inner face 21 and combustion chamber 41 and the steam chamber of the head body 2
43 are oppositely arranged.
In the present invention, the inner face 21 of the head body 2 is provided with ring groove 25, and sealing ring can be provided with the ring groove 25
251, after head body 2 is connected with generator body 42, the sealing ring 251 can effectively ensure that head body 2 and generator sheet
Sealing property between body 42.
According to an embodiment of the invention, high temperature resistant heat insulation layer 26 is connected with the inner face 21 of the head body 2,
The burner noz(zle) 10 and ignitor 3 are sealed in the high temperature resistant heat insulation layer 26.In the present invention, the high temperature resistant heat insulation layer
26 material is tungsten, tantalum, rhenium or osmium, considers processing and practical cost, the preferred forging pure dense of the high temperature resistant heat insulation layer 26
Tungsten is made.In the present invention, the thickness of the high temperature resistant heat insulation layer 26 is 20mm~30mm, and it can bear more than 3000 DEG C of height
Temperature, the high temperature resistant heat insulation layer 26 can effectively protect burner noz(zle) 10 and ignitor 3, prevent high temperature ablation, to extend burning spray
The service life of mouth 10 and ignitor 3.The size of the high temperature resistant heat insulation layer 26 face area with combustion chamber 41 just
Unanimously, after head body 2 is connected with generator body 42, the high temperature resistant heat insulation layer 26 is blocked in the end of combustion chamber 41 just
And directly facing combustion chamber 41, head body 2 is blocked and has been contacted with the direct of combustion chamber 41, effectively protected head body 2, prolong
The service life of head body 2 is grown.
Further, for the inner face 21 of the head body 2 formed with cooling chamber 27, the cooling chamber 27 is to be arranged on head sheet
The groove of the inner face 21 of body 2, the high temperature resistant heat insulation layer 26 are located at the top of cooling chamber 27, in the present invention, in the head body 2
Intake tunnel 28 is additionally provided with, the intake tunnel 28 is connected with cooling chamber 27.
Specifically, being additionally provided with flow channels 271 in head body 2, the flow channels 271 are connected with cooling chamber 27,
After head body 2 is sealedly connected on the lower end of generator body 42, the flow channels 271 are located at the inner face of head body 2
21 exit can be connected with an outlet 272, and the outlet 272 between steam chamber 43 and combustion chamber 41 directly facing forming
Steam ring cavity 432, so that the cooling water flowed into from intake tunnel 28, steam is flowed into after cooling chamber 27, flow channels 271
In ring cavity 432.
The present invention can be achieved to carry out cooling treatment to head body 2 by the design of cooling chamber 27；Meanwhile can also be to straight
The high temperature resistant heat insulation layer 26 of face combustion chamber 41 carries out cooling treatment, prevents high temperature ablation and natural gas from being damaged with pure oxygen pyroreaction
The situation of head body 2 occurs.
According to an embodiment of the invention, as shown in Figures 2 to 4, the burning set in the generator head construction
Nozzle 10, pure oxygen and natural gas can be subjected to uniform atomizing, make homogeneous atomization pure oxygen and natural gas in the combustion chamber of generator 4
Realize that high pressure is fully burnt in 41, the burner noz(zle) 10 realizes multielement hot fluid technology on the basis of operating cost is reduced and existed
Application in oil-sand exploitation.
Specifically, the nozzle body 1 of the burner noz(zle) 10 is substantially in cylindrical, and one end is provided with the He of fuel inlet 11
Pure oxygen inlet 12, its other end are provided with multiple barrier film exocoels 13.In the present embodiment, the barrier film exocoel 13 is to be arranged on nozzle
The groove of the end of body 1.Those barrier film exocoels 13 are oppositely arranged with combustion chamber 41.
Fuel channel 14 is arranged at the central axis of nozzle body 1, and its one end is connected with fuel inlet 11, and its is another
End is communicated with multiple fuel inclined holes 141, and those fuel inclined holes 141 are connected with multiple barrier film exocoels 13 respectively, in the present invention,
The quantity of fuel inclined hole 141 is identical with the quantity of barrier film exocoel 13, and each barrier film exocoel 13 corresponds to and a phase of fuel inclined hole 141
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 barrier film 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, the pure oxygen passage 15 is circular passage, and this is pure
Oxygen passage 15 encloses the periphery for being located at fuel channel 14.In the present invention, one end of nozzle body 1 can be provided with multiple pure oxygen inlets
12, each pure oxygen inlet 12 is corresponded in nozzle body 1 can enter passage 152 provided with a pure oxygen, and the one of the pure oxygen passage 15
End is connected by multiple pure oxygens into passage 152 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 with multiple barrier film exocoels 13 respectively, in the present invention, the quantity of pure oxygen inclined hole 151 with
The quantity of barrier film exocoel 13 is identical, and each barrier film exocoel 13 is corresponding to be communicated with a pure oxygen inclined hole 151.Those pure oxygen inclined holes 151
Along the circumferential direction it is arranged at equal intervals in nozzle body 1, the injection direction of the pure oxygen inclined hole 151 along pure oxygen, which radially-inwardly tilts, to be set
Put, 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 barrier film exocoel 13, so that pure oxygen sprays in contraction-like from the end face of nozzle body 1.In the present embodiment
In, it is used to be passed through pure oxygen gas in pure oxygen passage 15, the pure oxygen gas is the pure oxygen gas of oxygen content more than 90%.
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 barrier film exocoels 13 by being arranged on the end face of nozzle body 1, 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 barrier film exocoel 13
For 0.5mm~1.5mm, its can block nozzle body 1 by fire end face directly by fire, the fuel membrane layer 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 directly contacting under the high temperature of nozzle body 1, has served reduction
The effect of the metal end face temperature of nozzle body 1, improve 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
Footpath R1 ratio 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
Sprayed into from pure oxygen passage 15 in pure oxygen inclined hole 151, finally injection forms jet and sprayed from the barrier film exocoel 13 of nozzle body 1.
Further, the diameter R2 of the fuel channel 14 and diameter R3 of the fuel inclined hole 141 ratio 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 sprays into from fuel channel 14
In fuel inclined hole 141, finally injection forms jet and sprayed from the barrier film exocoel 13 of nozzle body 1.
The present invention by the ring cavity width D to pure oxygen passage 15 and the diameter R1 of pure oxygen inclined hole 151 ratio design and
The diameter R2 and the diameter R3 of fuel inclined hole 141 of fuel channel 14 ratio are designed, can be made from the natural of the ejection of nozzle body 1
Gas and pure oxygen, according to a certain ratio with after speed head-on collision blending, fully fired in the combustion chamber of pure oxygen composite heat carrier generator
Burn and generate carbon dioxide, nitrogen content is few in combustion product, meets the requirement of later stage production operation.
In an embodiment of the invention, multiple barrier film exocoels 13 are circumferentially disposed in the nozzle sheet
The end face of body 1, the outer contour shape of the barrier film exocoel 13 is fan shape, the fan-shaped central angle θ1For 60 °~90 °.
Specifically, the barrier film exocoel 13 is is located at arc groove of the nozzle body 1 by fire end face, as shown in figure 3, in nozzle
The end face of body 1 is provided with four barrier film exocoels 13, and four barrier film exocoels 13 are along the circumferential direction sequentially connected；As shown in figure 4, should
The end face of nozzle body 1 is provided with eight barrier film exocoels 13, and eight barrier film exocoels 13 are along the circumferential direction sequentially connected.Certainly, exist
In the other embodiment of the present invention, nozzle body 1 can be provided with five, six or other by fire end face according to needs of production
The barrier film exocoel 13 of quantity, this is not restricted.
From nozzle body 1 by terms of fire end face, the outer contour shape of the barrier film exocoel 13 is fan shape, be sparged into every
Gas flow in film exocoel 13 flows in fan shape, the fan-shaped central angle θ1For 60 °~90 °, central angle θ1Size
Can be according to being arranged on depending on quantity of the nozzle body 1 by the barrier film exocoel 13 in fire end face.
Further, in the present invention, the barrier film exocoel 13 is to be arranged on the spherical groove of the end of nozzle body 1, the ball
The spherical radius of face groove is 50mm~100mm.The outward flange 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 barrier film exocoel 13 is designed as into 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, and the natural gas air film is fuel membrane layer, and naturally
Gas out of spherical groove shape barrier film 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,
Abundant burning of the natural gas in the combustion chamber of generator provides safeguard.
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 barrier film 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 directly contacting under the high temperature of nozzle body 1, has carried
The high service life of burner noz(zle) 10.
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.
The generator head construction of the present invention, pure oxygen, natural gas straight especially suitable for pure oxygen composite heat carrier generator
Atomization, intimate blending realize that HTHP fully burns, and belong to the technical field of high-pressure combustion.The generator head construction
Pure oxygen and gas spraying can be incident upon in the combustion chamber 41 of generator 4 by burner noz(zle) 10, pure by the uniform atomizing of burner noz(zle) 10
Oxygen and natural gas, make homogeneous atomization pure oxygen and natural gas in combustion chamber 41 can high pressure fully burn；In addition, pass through head
The design of cooling chamber 27 in body 2, the cooling treatment to head body 2 can be achieved；Meanwhile can also be to facing combustion chamber 41 directly
High temperature resistant heat insulation layer 26 carries out cooling treatment, prevents high temperature ablation and natural gas and pure oxygen pyroreaction damage head body 2
Situation occurs.
Embodiment two
As shown in Figures 1 to 4, the present invention also provides a kind of assemble method of generator head construction, the assemble method
For the assemble method of the generator head construction of embodiment one, the structure of described generator head construction, operation principle and
Beneficial effect is identical with embodiment one, will not be repeated here.The assemble method comprises the following steps：
A) burner noz(zle) 10 is arranged in the nozzle passage 22 of head body 2, ignitor 3 is arranged on the head
In the ignitor passage 23 of body 2；
B) head body 2 is sealingly mounted to the bottom of combustion chamber 41 of generator 4, the burner noz(zle) 10 and described
Ignitor 3 is oppositely arranged with the combustion chamber 41.
Specifically, in step a), after burner noz(zle) 10 and ignitor 3 are installed in head body 2, step is carried out
B), the head body 2 for being provided with burner noz(zle) 10 and ignitor 3 is passed through into multiple connectors 24 that its outer peripheral edge is set and hair
The generator body 42 of raw device 4 is connected, and in the present invention, the generator 4 can be pure oxygen composite heat carrier generator, generator sheet
Body 42 has combustion chamber 41 and the steam chamber 43 being set in outside combustion chamber 41, the inner face 21 of the head body 2 and combustion chamber
41 and steam chamber 43 be oppositely arranged, burner noz(zle) 10 and ignitor 3 are oppositely arranged with combustion chamber 41.Wherein, in head sheet
Sealing ring 251 can be provided between body 2 and generator body 42, effectively to protect between head body 2 and generator body 42
Sealing property.
In the present invention, step a1 is also included between step a) and step b)) installation high temperature resistant heat insulation layer 26, on head
High temperature resistant heat insulation layer 26 is installed, the burner noz(zle) 10 and ignitor 3 are close on the inner face 21 relative with combustion chamber 41 of body 2
Envelope is in the high temperature resistant heat insulation layer 26.
In the present invention, the material of the high temperature resistant heat insulation layer 26 is tungsten, tantalum, rhenium or osmium, consider processing and it is practical into
This, the preferred fine and close pure tungsten of forging of the high temperature resistant heat insulation layer 26 is made, and in the present embodiment, the thickness of the high temperature resistant heat insulation layer 26 is
20mm~30mm, it can bear more than 3000 DEG C of high temperature, and the high temperature resistant heat insulation layer 26 can effectively protect burner noz(zle) 10 and point
Thermoelectricity pole 3, high temperature ablation is prevented, extend the service life of burner noz(zle) 10 and ignitor 3.The face of the high temperature resistant heat insulation layer 26
Product size it is just consistent with the face area of combustion chamber 41, after head body 2 is connected with generator body 42, the high temperature resistant every
Just closure in the end of combustion chamber 41 and directly facing combustion chamber 41, effectively blocks combustion chamber 41 and head body 2 to thermosphere 26
Direct contact, to protect head body 2, the service life of extension headers body 2.
Further, for the inner face 21 of the head body 2 formed with cooling chamber 27, the cooling chamber 27 is to be arranged on head sheet
The groove of the inner face 21 of body 2, the high temperature resistant heat insulation layer 26 are located at the top of cooling chamber 27, in the present invention, in the head body 2
Intake tunnel 28 is additionally provided with, the intake tunnel 28 is connected with cooling chamber 27.
Specifically, being additionally provided with flow channels 271 in head body 2, the flow channels 271 are connected with cooling chamber 27,
After head body 2 is sealedly connected on the lower end of generator body 42, the flow channels 271 are located at the inner face of head body 2
21 exit can be connected with an outlet 272, and the outlet 272 between steam chamber 43 and combustion chamber 41 directly facing forming
Steam ring cavity 432, so that the cooling water flowed into from intake tunnel 28, steam is flowed into after cooling chamber 27, flow channels 271
In ring cavity 432.
The present invention can be achieved to carry out cooling treatment to head body 2 by the design of cooling chamber 27；Meanwhile can also be to straight
The high temperature resistant heat insulation layer 26 of face combustion chamber 41 carries out cooling treatment, prevents high temperature ablation and natural gas from being damaged with pure oxygen pyroreaction
The situation of head body 2 occurs.
The present invention is especially suitable for the pure oxygen of pure oxygen composite heat carrier generator, natural gas straight atomization, intimate blending are real
Existing HTHP fully burns, and belongs to the technical field of high-pressure combustion.Tie on generator head after being assembled by the assemble method
Pure oxygen and gas spraying can be incident upon in the combustion chamber 41 of generator 4 by structure, the burner noz(zle) 10 in it, uniform atomizing pure oxygen and day
Right gas, make homogeneous atomization pure oxygen and natural gas in the combustion chamber 41 of generator 4 can high pressure fully burn；In addition, pass through
The design of cooling chamber 27 in head body 2, the cooling treatment to head body 2 can be achieved；Meanwhile can also be to facing combustion chamber directly
41 high temperature resistant heat insulation layer 26 carries out cooling treatment, prevents high temperature ablation and natural gas and pure oxygen pyroreaction damage head body
2 situation occurs.
Several embodiments of the present invention are the foregoing is only, 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 (14)
1. a kind of generator head construction, it is characterised in that the generator head construction includes：
Head body, it has an inner face relative with the combustion chamber of generator, be provided with the head body nozzle passage and
Ignitor passage；
Burner noz(zle), it is located in the nozzle passage；The burner noz(zle) has nozzle body, one end of the nozzle body
With fuel inlet and pure oxygen inlet, its other end is formed with multiple barrier film exocoels, multiple barrier film exocoels and the burning
Room is oppositely arranged；Fuel channel is provided with the nozzle body, one end of the fuel channel is connected with the fuel inlet,
Its other end is connected by multiple fuel inclined holes with multiple barrier film exocoels, injection direction of the fuel inclined hole along fuel
It is radially outwardly sloping setting；Pure oxygen passage is additionally provided with the nozzle body, one end and the pure oxygen of the pure oxygen passage enter
Mouth is connected, and the other end of the pure oxygen passage is connected by multiple pure oxygen inclined holes with multiple barrier film exocoels, described pure
Injection direction of the oxygen inclined hole along pure oxygen is radially-inwardly obliquely installed；
Ignitor, it is located in the ignitor passage, and the ignitor is oppositely arranged with the combustion chamber.
2. generator head construction as claimed in claim 1, it is characterised in that be connected with the inner face of the head body
High temperature resistant heat insulation layer, the burner noz(zle) and the ignitor are sealed in the high temperature resistant heat insulation layer.
3. generator head construction as claimed in claim 2, it is characterised in that the material of the high temperature resistant heat insulation layer be tungsten,
Tantalum, rhenium or osmium.
4. generator head construction as claimed in claim 2 or claim 3, it is characterised in that the inner face of the head body is formed
There is cooling chamber, the high temperature resistant heat insulation layer is located at the top of the cooling chamber, intake tunnel is provided with the head body, described
Intake tunnel is connected with the cooling chamber.
5. generator head construction as claimed in claim 1, it is characterised in that the pure oxygen passage is circular passage, described
Pure oxygen passage encloses the periphery for being located at the fuel channel.
6. generator head construction as claimed in claim 5, it is characterised in that the ring cavity width of the pure oxygen passage with it is described
The ratio of the diameter of pure oxygen inclined hole is 2.83；The ratio of the diameter of the fuel channel and the diameter of the fuel inclined hole is 2.0.
7. generator head construction as claimed in claim 1, it is characterised in that multiple barrier film exocoels are along the circumferential direction set
Put in the end face of the nozzle body, the outer contour shape of the barrier film exocoel is fan shape, and the fan-shaped central angle is
60 °~90 °.
8. the generator head construction as described in claim 1 or 7, it is characterised in that the barrier film exocoel is described to be arranged on
The spherical groove of nozzle body end, the spherical radius of the spherical groove is 50mm~100mm.
9. generator head construction as claimed in claim 5, it is characterised in that multiple pure oxygen inclined holes along the circumferential direction between
Every being arranged in the nozzle body, the acute angle formed between the axis of the pure oxygen inclined hole and the axis of the nozzle body
For 15 °~45 °.
10. generator head construction as claimed in claim 5, it is characterised in that multiple fuel inclined holes are along the circumferential direction
It is disposed in the nozzle body, is formed between the axis of the fuel inclined hole and the axis of the nozzle body blunt
Angle is 135 °~175 °.
It is 11. a kind of such as the assemble method of generator head construction according to any one of claims 1 to 10, it is characterised in that
The assemble method comprises the following steps：
A) burner noz(zle) is arranged in the nozzle passage of head body, ignitor is arranged on to the igniting of the head body
In electrode channel；
B) head body is sealingly mounted to the combustion chamber bottom of generator, the burner noz(zle) and the ignitor are equal
It is oppositely arranged with the combustion chamber.
12. assemble method as claimed in claim 11, it is characterised in that also wrapped between the step a) and the step b)
Include step a1) installation high temperature resistant heat insulation layer, installed on the head body inner face relative with the combustion chamber described resistance to
High temperature insulating layer, the burner noz(zle) and the ignitor are sealed in the high temperature resistant heat insulation layer.
13. assemble method as claimed in claim 12, it is characterised in that the thickness of the high temperature resistant heat insulation layer be 20mm~
30mm。
14. assemble method as claimed in claim 12, it is characterised in that the inner face of the head body is formed with cooling
Chamber, the high temperature resistant heat insulation layer are located at the top of the cooling chamber, and intake tunnel is provided with the head body, and the water inlet is logical
Road is connected with the cooling chamber.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610380530.2A CN105910086B (en) | 2016-06-01 | 2016-06-01 | Generator head structure and assembling method thereof |
| 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 |
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610380530.2A CN105910086B (en) | 2016-06-01 | 2016-06-01 | Generator head structure and assembling method thereof |
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| Publication Number | Publication Date |
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| CN105910086A CN105910086A (en) | 2016-08-31 |
| CN105910086B true CN105910086B (en) | 2018-02-23 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070957A (en) * | 2007-06-21 | 2007-11-14 | 金盛珠 | Strong premixed gas burner |
| CN103175223A (en) * | 2013-03-19 | 2013-06-26 | 哈尔滨工程大学 | Gas circuit axial grading type dual-fuel nozzle |
| CN103452537A (en) * | 2013-09-18 | 2013-12-18 | 江苏大江石油科技有限公司 | High-temperature high-pressure combustion structure of pure oxygen combined heat carrier generator |
| WO2014079179A1 (en) * | 2012-11-20 | 2014-05-30 | 机械科学研究院哈尔滨焊接研究所 | Cutting torch for cutting ultrahigh-thickness 2000-3500 mm low-carbon and low-alloy steel ingot and cutting process of the cutting torch |
| CN103939945A (en) * | 2014-03-05 | 2014-07-23 | 哈尔滨工程大学 | Rotatable dual-fuel nozzle used for chemical regenerative cycle |
| CN204922986U (en) * | 2015-07-27 | 2015-12-30 | 河北中北环保科技有限公司 | Rotatory oxygen distributor |
| CN205690376U (en) * | 2016-06-01 | 2016-11-16 | 天津中油锐思技术开发有限责任公司 | generator head structure |
-
2016
- 2016-06-01 CN CN201610380530.2A patent/CN105910086B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070957A (en) * | 2007-06-21 | 2007-11-14 | 金盛珠 | Strong premixed gas burner |
| WO2014079179A1 (en) * | 2012-11-20 | 2014-05-30 | 机械科学研究院哈尔滨焊接研究所 | Cutting torch for cutting ultrahigh-thickness 2000-3500 mm low-carbon and low-alloy steel ingot and cutting process of the cutting torch |
| CN103175223A (en) * | 2013-03-19 | 2013-06-26 | 哈尔滨工程大学 | Gas circuit axial grading type dual-fuel nozzle |
| CN103452537A (en) * | 2013-09-18 | 2013-12-18 | 江苏大江石油科技有限公司 | High-temperature high-pressure combustion structure of pure oxygen combined heat carrier generator |
| CN103939945A (en) * | 2014-03-05 | 2014-07-23 | 哈尔滨工程大学 | Rotatable dual-fuel nozzle used for chemical regenerative cycle |
| CN204922986U (en) * | 2015-07-27 | 2015-12-30 | 河北中北环保科技有限公司 | Rotatory oxygen distributor |
| CN205690376U (en) * | 2016-06-01 | 2016-11-16 | 天津中油锐思技术开发有限责任公司 | generator head structure |
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| CN105910086A (en) | 2016-08-31 |
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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: 20210621 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. |
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