CN104772243A - Solid-liquid two-phase working medium pressure atomizing nozzle - Google Patents
Solid-liquid two-phase working medium pressure atomizing nozzle Download PDFInfo
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- CN104772243A CN104772243A CN201510191545.XA CN201510191545A CN104772243A CN 104772243 A CN104772243 A CN 104772243A CN 201510191545 A CN201510191545 A CN 201510191545A CN 104772243 A CN104772243 A CN 104772243A
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- solid
- liquid
- phase working
- guiding gutter
- eddy flow
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- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 230000004308 accommodation Effects 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims description 28
- 238000000889 atomisation Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 20
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 239000003082 abrasive agent Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000012071 phase Substances 0.000 description 21
- 239000003250 coal slurry Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 238000005507 spraying Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Abstract
The utility model provides a double-phase working medium pressure atomizing nozzle of solid-liquid, is including the shell that is equipped with the accommodation space, the atomizing injection spare of making by wear-resisting material, the inserts of constituteing by cylinder and cone the cylinder of cylinder is equipped with N spiral and collapses a class guiding gutter, establishes the second through-hole in the whirl core, the inserts is inserted in the second through-hole the whirl core lean on be equipped with whirl core guiding gutter on the terminal surface of inserts one end, whirl core guiding gutter with the inscribe of second through-hole. The invention has the advantages that the solid-liquid two-phase working medium can be well atomized and sprayed without additional pressure gas and only the pressure of the solid-liquid two-phase working medium, and the nozzle can not be blocked.
Description
Technical field
The present invention relates to a kind of solid-liquid two-phase working substance pressure atomized fog jet, rely on the pressure of solid-liquid working medium self just solid and liquid mixture can be carried out atomization process, and do not occur the blocking to nozzle.
Background technology
Solid-liquid two-phase mixture, as water coal oar, coal, methyl alcohol coal slurry etc. that combustion apparatus often uses, the feed liquid that non-burning equipment uses, paint etc. are all that mobility is very poor, and the fluid of easy Separation of Solid and Liquid, be different from simple liquid.
These feed liquids are all two-phase working substances, for this the atomization of feed liquid, mostly by means of interior mixed or outer mixed atomizing air (steam), as air single/double stage vortex atomizing nozzle, standard and follow-on y-type nozzle etc., above these are applied to boiler and the fluidized bed spout nozzle of industrial rich and influential family.
The good coal slurry nozzle of several typical effect, general introduction feature is as follows;
1), gas slurry double-cyclone one side air atomizer spray nozzle, it at the atomization of single-stage rotational flow air, two-stage air-eddy flow (coal slurry irrotationality) atomizer, basis is developed.This kind of nozzle only relies on one side air atomizing, and the ejection of the even serous coat that coal slurry is formed behind large spin chamber, interacts with the eddy flow being arranged in air channel outlet place, improve atomization quality.But this swirl nozzle is generally only suitable for the not too high coal slurry of viscosity, because atomizing air is only one side, still applicable as low-viscosity oil atomizer.
2), two-sided strong rotational flow air atomizer, it is developed on the basis of one side air atomizer spray nozzle, it be adopt two-sided air at a high speed, strong eddy flow produces Strong shear power to reach the coal slurry nozzle of the object of atomization to serous coat.
3), Y moulded coal slurry nozzle
Standard y-type nozzle y-type nozzle is one of current most widely used coal slurry nozzle.It is also rely on the shear force of air to realize the atomization of solid-liquid two-phase, and this nozzle is widely used in using heavy resid application.But for the atomization of coal slurry, effect is not very desirable.
4), impacting type multistage atomizing nozzle, before coal slurry enters one or more levels mixing chamber of nozzle, with y-type structure impact atomization step by step, then two-phase flow impacts dead ahead ram with certain speed together, produces mechanical atomization, then sprays from nozzle bore.
All kinds of nozzle is all adopt pressed gas atomization above, combustion system is made to become complicated, the gas sprayed into reduces fuel thermal efficiency, take away certain heat after gasification thus cause thermal losses, and nozzle flow is all larger, be only suitable for the uses such as large-sized boiler, be not suitable for the use under medium-small flow state.In addition, also often there is the problem of the frequent plug nozzle of solid phase in this nozzle.Again, the whole combustion system be made up of this nozzle, its complex structure, fired state adjustment difficulty is large, can not use, hinder promoting the use of of coal slurry on medium and small boiler.
Summary of the invention
In order to overcome the problems referred to above, the present invention provides a kind of to society does not need other pressed gas, only needs the pressure of solid-liquid two-phase working substance itself, just can be atomized solid-liquid two-phase working substance well and the solid-liquid two-phase working substance pressure atomized fog jet that can not block.
Technical scheme of the present invention is: provide a kind of solid-liquid two-phase working substance pressure atomized fog jet, comprising:
Shell, the inside of shell is provided with accommodation space, and the top of shell is provided with the first through hole communicated with accommodation space; In the accommodation space of described shell, be provided with atomized spray part, inserts and eddy flow core from the inside to surface successively;
Atomized spray part, is made up of high-abrasive material, and be located at the one end by the first through hole in the accommodation space of described shell, in described atomized spray part, be in axial direction provided with spout, the entrance of described spout is the tubaeform of indent, and the outlet of described spout is circular hole;
Inserts, is made up of cylinder and cone, and the tapering of described cone is consistent with described flaring tapering, and described cone be close at least partially described tubaeform on; Be provided with N bar helical at the cylinder of described cylinder and fall into conductance chute, wherein, N be more than or equal to 3 positive integer, the pitch that described helical falls into conductance chute is 2-6 cylinder length doubly; Be provided with in described cone and fall into the equal spout tangent line guiding gutter of conductance chute number with described helical, helical described in described spout tangent line guiding gutter one end falls into conductance chute and is connected, and the other end and the circle of the described flaring end of described spout tangent line guiding gutter are tangent;
Eddy flow core, inside establishes the second through hole, and described inserts is inserted in described second through hole, M bar eddy flow core guiding gutter is provided with leaning on the end face of described inserts one end of described eddy flow core, wherein, M is the positive integer being less than N, described eddy flow core guiding gutter and described second through hole inscribe.
As improvement of the present invention, the pitch that described helical falls into conductance chute is 3-5 cylinder length doubly.
As improvement of the present invention, described atomized spray part tungsten alloy material is made.
As improvement of the present invention, the angle of the extended line of the extended line of the bus of described cone and the center line of cone is selected between 30 degree to 80 degree.
As improvement of the present invention, the tapering of described cone determines to change the atomization angle of the tapering adjustable nozzle of described cone by the atomization angle of nozzle.
As improvement of the present invention, the cross section that described helical falls into conductance chute is rectangle or round bottom rectangle.
As improvement of the present invention, described spout tangent line guiding gutter is rectangle or round bottom rectangle.
As improvement of the present invention, described eddy flow core guiding gutter is rectangle or round bottom rectangle.
As improvement of the present invention, be provided with internal thread at the inner surface of the accommodation space of the inside of described shell, be provided with external screw thread at the outer surface of described eddy flow core, by described internal thread and described external screw thread, described eddy flow core is fixed in described accommodation space.
The structure of nozzle interior is improved by the present invention, and make nozzle interior form eddy flow, the coal slurry of nozzle interior, through out-of-date, under the effect of eddy flow, be cleaned, no longer retain.Middle inlay part is split into helical and falls into conductance chute, solid-liquid two-phase working substance is made to fall into along helical the outlet that conductance chute and spout tangent line guiding gutter arrive atomized spray part in order in nozzle interior, described go out interruption-forming atomizing eddy flow, outside jetting nozzle, through above-mentioned remodeling, nozzle no longer needs other gas pressure to produce atomization, and only needs the pressure of solid-liquid two-phase working substance itself, just can be atomized solid-liquid two-phase working substance well; In addition, also no longer Separation of Solid and Liquid phenomenon is produced when spraying solid-liquid two-phase working substance.Can spray for a long time through overtesting coal slurry and not block, solve the pressure atomization problem of solid-liquid two-phase working substance.
Nozzle of the present invention can use under the injection of the material of various solid-liquid two-phase working substance.As Slurry Combustion machine, spraying, the occasions such as spraying dry use, and minimum discharge can normally use at more than 0.5L/S.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the first embodiment of the present invention;
Fig. 2 is the longitudinal sectional structure schematic diagram after Fig. 1 assembles.
Fig. 3 is the stereo decomposing structural representation (removing shell) at another visual angle of Fig. 1.
Fig. 4 is the perspective view of the jet member in Fig. 1.
Fig. 5 is the perspective view at another visual angle of Fig. 4.
Fig. 6 is the perspective view of the inserts in Fig. 1.
Fig. 7 is the perspective view of the eddy flow core in Fig. 1.
Detailed description of the invention
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as " " center ", " on ", D score, "front", "rear", "left", "right" in term be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " being connected " should be interpreted broadly, and such as, can be fixedly connected with, and also can be that dismounting connects, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term can be understood at concrete meaning of the present invention.In addition, in describing the invention, except as otherwise noted, the implication of " multiple ", " some " is two or more.
Refer to Fig. 1 to Fig. 7, what Fig. 1 to Fig. 7 disclosed is a kind of solid-liquid two-phase working substance pressure atomized fog jet, comprising:
Shell 1, the inside of shell 1 is provided with accommodation space 11, and the top of shell 1 is provided with the first through hole 12 communicated with accommodation space 11; In the accommodation space 11 of described shell 1, be provided with atomized spray part 2, inserts 3 and eddy flow core 4 from the inside to surface successively; The outer wall of described shell 1 is provided with the external screw thread 13 for being connected with other object;
Atomized spray part 2, be made up of high-abrasive material, be located at the one end by the first through hole 12 in the accommodation space 11 of described shell 1, in described atomized spray part 2, be in axial direction provided with spout, the entrance 21 of described spout is the tubaeform of indent, and the outlet 22 of described spout is circular hole;
Inserts 3, is made up of cylinder 31 and cone 32, and the tapering of described cone 32 is consistent with described flaring tapering, and described cone 32 be close at least partially described tubaeform on; Be provided with N bar helical at the cylinder of described cylinder 31 and fall into conductance chute 311, wherein, N can be more than or equal to 3 positive integer, the pitch that described helical falls into conductance chute 311 is 2-6 cylinder length doubly; Be provided with in described cone 32 and fall into the equal spout tangent line guiding gutter 321 of conductance chute 311 number with described helical, helical described in described spout tangent line guiding gutter 321 one end falls into conductance chute 311 and is connected, and the other end and the circle of the described flaring end of described spout tangent line guiding gutter 321 are tangent;
Eddy flow core 4, inside establishes the second through hole 41, and described inserts 3 is inserted in described second through hole 43, M bar eddy flow core guiding gutter 41 is provided with leaning on the end face of described inserts 3 one end of described eddy flow core 4, wherein, M is the positive integer being less than N, described eddy flow core guiding gutter 41 and described second through hole 41 inscribe.
Shell 1 in the present invention, there is internal thread 14 inside, and it is the installation main body of other parts of all inside; The atomized spray part 2 that tungsten alloy material is manufactured, has wear-resisting, prevents solid to the wearing and tearing of spout, meanwhile, can form the effect of atomizing eddy flow, and the pore size of its outlet 22 is relevant with nozzle flow; Inserts 3 is provided with helical and falls into conductance chute 311 and spout tangent line guiding gutter 321, when material (coal slurry) passes through, helical can be sequentially passed through and fall into conductance chute 311 and spout tangent line guiding gutter 321 arrives atomized spray part 2, sunken stream in the present invention refers to the material at internal rotating, fall in guiding gutter, flow along guiding gutter.Eddy flow core 4, innerly can produce eddy flow, material, when by eddy flow core, flows along eddy flow core guiding gutter 41, produces eddy flow, has cleaning effect to inside.
Preferably, it is output on the cylinder of the inserts 2 of steel that many helicals fall into conductance chute 311, and the cross section that helical falls into conductance chute can be rectangle or round bottom rectangle.Its pitch is the length of 2-6 times of cylinder 31, and optimum pitch is the length of 3-5 times of cylinder 31.Described cone 32 is provided with spout tangent line guiding gutter 321, at material before atomized spray part 2, strengthens the anglec of rotation, be atomized after going out spout.The tapering (i.e. inclination angle) of described cone 32, determines atomization angle, changes tapering adjustable atomization angle.
The quantity of eddy flow core guiding gutter 41 is preferably the quantity that helical falls into conductance chute 311 and adds more than one.Along with the increasing of nozzle, the quantity that helical falls into conductance chute 311 can increase.The opening size of eddy flow core guiding gutter 41 should be greater than the diameter of the outlet 22 of atomized spray part 2.Along with the increasing of nozzle, the quantity that helical falls into conductance chute 311 can increase.The quantity falling into conductance chute 311 as helical is 4(and N=4, lower same), then the quantity of eddy flow core guiding gutter 41 is preferably 5 or 6(and M=5 or 6, lower same), the quantity falling into conductance chute 311 as helical is 5, then the quantity of eddy flow core guiding gutter 41 is preferably 7 or 8, by that analogy, like this, make stream core guiding gutter 41 when mounted, there will not be the situation that the opening falling into conductance chute 311 with helical overlaps.Make full use of the cleaning effect of the eddy flow of eddy flow core guiding gutter 41, do not stay cleaning dead angle.
Solid-liquid two-phase working substance pressure atomized fog jet of the present invention, simple and practical, break the reality that solid-liquid two-phase working substance can not use pressure atomization, achieve the pressure atomization of two-phase working substance at home and abroad first.Material is the invention enables to form inward eddy and water conservancy diversion sunken stream ditch in pressure atomized fog jet inside, and rotary-atomizing ejection, material cannot be retained in nozzle interior, move smoothly through spout atomization ejection, no longer there are two separation, solve the problem that pressure atomization can not use in two-phase working substance first, be very easy to the ejection of two-phase working substance, burning, spraying, the job requirement of spraying dry etc., simplifies the complexity of atomization plant, reduces cost.
Preferably, the angle of the extended line of bus of described cone 32 and the extended line of the center line of cone is selected (comprising 30 degree and 80 degree) between 30 degree to 80 degree; The angle of the extended line of bus of described cone 32 and the extended line of the center line of cone determines the atomization angle of nozzle, changes the atomization angle of the described angle adjustable nozzle of described cone 32.
Preferably, described helical falls into the cross section of conductance chute 311 is rectangle or round bottom rectangle; Described spout tangent line guiding gutter 321 is rectangle or round bottom rectangle; Described eddy flow core guiding gutter 41 is rectangle or round bottom rectangle.
Preferably, be provided with internal thread at the inner surface of the accommodation space 11 of the inside of described shell 1, be provided with external screw thread 42 at the outer surface of described eddy flow core 4, by described internal thread and described external screw thread 42, described eddy flow core 4 is fixed in described accommodation space 11.
Claims (9)
1. a solid-liquid two-phase working substance pressure atomized fog jet, is characterized in that, comprising:
Shell (1), the inside of shell (1) is provided with accommodation space (11), and the top of shell (1) is provided with the first through hole (12) communicated with accommodation space (11); In the accommodation space (11) of described shell (1), be provided with atomized spray part (2), inserts (3) and eddy flow core (4) from the inside to surface successively;
Atomized spray part (2), be made up of high-abrasive material, be located at the one end by the first through hole (12) in the accommodation space (11) of described shell (1), in axial direction spout is provided with in described atomized spray part (2), what the entrance (21) of described spout was indent is tubaeform, and the outlet (22) of described spout is circular hole;
Inserts (3), is made up of cylinder (31) and cone (32), and the tapering of described cone (32) is consistent with described flaring tapering, and described cone (32) be close at least partially described tubaeform on; Be provided with N bar helical at the cylinder of described cylinder (31) and fall into conductance chute (311), wherein, N be more than or equal to 3 positive integer, the pitch that described helical falls into conductance chute (311) is 2-6 cylinder length doubly; Be provided with in described cone (32) and fall into the equal spout tangent line guiding gutter (321) of conductance chute (311) number with described helical, helical described in described spout tangent line guiding gutter (321) one end falls into conductance chute (311) and is connected, and the other end and the circle of the described flaring end of described spout tangent line guiding gutter (321) are tangent;
Eddy flow core (4), inside establish the second through hole (41), described inserts (3) is inserted in described second through hole (41), M bar eddy flow core guiding gutter (41) is provided with leaning on the end face of described inserts (3) one end of described eddy flow core (4), wherein, M is the positive integer being less than N, described eddy flow core guiding gutter (41) and described second through hole (41) inscribe.
2. solid-liquid two-phase working substance pressure atomized fog jet according to claim 1, is characterized in that: the pitch that described helical falls into conductance chute (311) is 3-5 cylinder length doubly.
3. solid-liquid two-phase working substance pressure atomized fog jet according to claim 1 and 2, is characterized in that: described atomized spray part (2) is made with tungsten alloy material.
4. the solid-liquid two-phase working substance pressure atomized fog jet according to claim 1 or 2, is characterized in that: the angle of the extended line of bus of described cone (32) and the extended line of the center line of cone is selected between 30 degree to 80 degree.
5. according to the solid-liquid two-phase working substance pressure atomized fog jet described in claim 4, it is characterized in that: the tapering of described cone (32) determines to change the atomization angle of the tapering adjustable nozzle of described cone (32) by the atomization angle of nozzle.
6. solid-liquid two-phase working substance pressure atomized fog jet according to claim 1 and 2, is characterized in that: the cross section that described helical falls into conductance chute (311) is rectangle or round bottom rectangle.
7. solid-liquid two-phase working substance pressure atomized fog jet according to claim 1 and 2, is characterized in that: described spout tangent line guiding gutter (321) is rectangle or round bottom rectangle.
8. solid-liquid two-phase working substance pressure atomized fog jet according to claim 1 and 2, is characterized in that: described eddy flow core guiding gutter (41) is rectangle or round bottom rectangle.
9. solid-liquid two-phase working substance pressure atomized fog jet according to claim 1 and 2, it is characterized in that: be provided with internal thread at the inner surface of the accommodation space (11) of the inside of described shell (1), be provided with external screw thread (42) at the outer surface of described eddy flow core (4), by described internal thread and described external screw thread (42), described eddy flow core (4) be fixed in described accommodation space (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191545.XA CN104772243B (en) | 2015-04-22 | 2015-04-22 | Solid-liquid two-phase working medium pressure atomizing nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191545.XA CN104772243B (en) | 2015-04-22 | 2015-04-22 | Solid-liquid two-phase working medium pressure atomizing nozzle |
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| Publication Number | Publication Date |
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| CN104772243A true CN104772243A (en) | 2015-07-15 |
| CN104772243B CN104772243B (en) | 2015-12-02 |
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| CN201510191545.XA Active CN104772243B (en) | 2015-04-22 | 2015-04-22 | Solid-liquid two-phase working medium pressure atomizing nozzle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044638A (en) * | 2017-06-15 | 2017-08-15 | 哈尔滨工业大学深圳研究生院 | A kind of gas liquid two purpose burner |
| CN107744888A (en) * | 2017-10-27 | 2018-03-02 | 广州迈普再生医学科技有限公司 | Ultralow pressure vortex atomizing nozzle and duplex mixing syringe |
| CN108455061A (en) * | 2018-05-04 | 2018-08-28 | 苏州汇涵医用科技发展有限公司 | The spraying device of liquor bottle |
| CN108722703A (en) * | 2018-07-12 | 2018-11-02 | 中国石油大学(北京) | Reverse spray type Washing spray nozzle |
| CN109830468A (en) * | 2019-03-26 | 2019-05-31 | 合肥能源研究院 | A kind of high heat flux density heat dissipation cold plate |
| IT202000026981A1 (en) * | 2020-11-11 | 2022-05-11 | Stefano Cassani | ADJUSTABLE NOZZLE |
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| CN108455061A (en) * | 2018-05-04 | 2018-08-28 | 苏州汇涵医用科技发展有限公司 | The spraying device of liquor bottle |
| CN108722703A (en) * | 2018-07-12 | 2018-11-02 | 中国石油大学(北京) | Reverse spray type Washing spray nozzle |
| CN108722703B (en) * | 2018-07-12 | 2024-01-26 | 中国石油大学(北京) | Reverse spray type washing nozzle |
| CN109830468A (en) * | 2019-03-26 | 2019-05-31 | 合肥能源研究院 | A kind of high heat flux density heat dissipation cold plate |
| IT202000026981A1 (en) * | 2020-11-11 | 2022-05-11 | Stefano Cassani | ADJUSTABLE NOZZLE |
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| CN104772243B (en) | 2015-12-02 |
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