CN202427957U - Three-fluid supersonic atomizing nozzle - Google Patents

Three-fluid supersonic atomizing nozzle Download PDF

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Publication number
CN202427957U
CN202427957U CN2011204874016U CN201120487401U CN202427957U CN 202427957 U CN202427957 U CN 202427957U CN 2011204874016 U CN2011204874016 U CN 2011204874016U CN 201120487401 U CN201120487401 U CN 201120487401U CN 202427957 U CN202427957 U CN 202427957U
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CN
China
Prior art keywords
atomizing
air drain
fluid
cap
air
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Expired - Fee Related
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CN2011204874016U
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Chinese (zh)
Inventor
杜国华
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杜国华
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Priority to CN2011204874016U priority Critical patent/CN202427957U/en
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Abstract

The utility model discloses a three-fluid supersonic atomizing nozzle comprising an atomizing seat, an atomizing cap and an atomizing core sleeve, wherein a flume is concavely formed on the atomizing seat, a first gas groove and a second gas groove are spaced on the atomizing seat at the periphery of the flume, a liquid nozzle communicated with the flume is arranged on the atomizing cap, the atomizing core sleeve is fixedly connected with the atomizing cap, an inner mixing groove is concavely formed at the bottom of the atomizing core sleeve, an atomizing nozzle passing through the atomizing core sleeve is arranged in the inner mixing groove, the first gas groove is communicated with the atomizing nozzle, an outer mixing groove communicated with the atomizing nozzle is concavely formed at the top of the atomizing core sleeve, and gas nozzles are spaced on the side wall of the outer mixing groove. Through the cooperation between the second gas groove formed on the atomizing seat and the gas nozzles communicated with the second gas groove in the atomizing core sleeve, atomized particles injected from the atomizing nozzle are further crushed into particles with a smaller particle size, so that the atomization effect and powder uniformity are improved.

Description

Three fluid ultrasonic nebulization jet nozzles
Technical field
The utility model relates to a kind of atomization plant, especially relates to a kind of three fluid ultrasonic nebulization jet nozzles.
Background technology
The second-rate atomization that metal also stays is the common method of preparation metal dust.Use conventional monolayers two flow atomization devices at present, the powder average grain diameter that can make is 10 ~ 30 μ m.One Chinese patent application CN200420023889.7 discloses a kind of gases at high pressure atomizer; Be used to prepare metal powder material; This this utility model has adopted the wall of wall and inboard chamber wall of chamber, the outside wall of air cavity to form the structure of Laval jet pipe, and uses gases at high pressure that metal liquid stream is atomized, and this apparatus features is the powder preparing that can be adapted to materials with high melting point; All more than 10 μ m, energy consumption is also bigger simultaneously for the average grain diameter of the powder of preparation.
One Chinese patent application CN01106868.X discloses the solid atomizing process of a kind of liquid metals and alloy; Its feature is to think ratio with traditional second-rate atomization powder; Granularity is thinner; Powder size narrowly distributing, the average grain diameter of the metallic tin powder of preparation are 36.69 μ m, but bigger with respect to the powder size of high pressure gas atomizing powder preparation.
Summary of the invention
The utility model is to the defective that the above-mentioned background technology exists a kind of particle diameter that effectively reduces the atomizing powder to be provided, and improves the significant three fluid ultrasonic nebulization jet nozzles of uniformity, atomizing effect of powder.
For realizing above-mentioned purpose, the utility model discloses a kind of three fluid ultrasonic nebulization jet nozzles, it comprises atomizing seat, atomizing cap and atomizing core retainer plate; Be concaved with liquid bath on the said atomizing seat, said liquid bath periphery is interval with first air drain and second air drain on said atomizing seat, and said atomizing cap is provided with fluid injector; Said liquid bath is communicated with said fluid injector; Said atomizing core retainer plate is connected with said atomizing cap fixing, and said atomizing core retainer plate bottom is concaved with interior mixing channel, offers the atomizer that runs through said atomizing core retainer plate in the said interior mixing channel; Said first air drain is communicated with said atomizer; Said atomizing core retainer plate top is concaved with the outer mixing channel that is communicated with said atomizer, and said outer mixing channel sidewall spacers offers some gas nozzles, and said second air drain is communicated with said gas nozzle.
Further, said gas nozzle is the Laval nozzle structure.
Further, said atomizing seat outer surface inwardly offers liquid hole and pore, and said liquid hole is connected with said liquid bath conducting, and said pore is connected with said first air drain and the second air drain conducting.
Further, said atomizing cap runs through and is provided with first air flue, second air flue and fluid passage, and said first air flue is connected with the said first air drain conducting, and said second air flue is connected with the said second air drain conducting, and said fluid passage is connected with said fluid injector conducting.
Further, said interior mixing channel periphery is concaved with the 3rd air drain on said atomizing core retainer plate, and said the 3rd air drain is communicated with said second air flue.
Further; Said atomizing cap is provided with pedestal, and said pedestal middle part protrudes out and is provided with the first ring platform, and the said first ring platform middle part protrudes out and is provided with the second ring platform; The said second ring platform middle part protrudes out and is provided with fluid injector; Said pedestal, the first ring platform, the second ring platform and fluid injector are one-body molded, and said first air flue runs through said pedestal, the first ring platform and the second ring platform, and said second air flue runs through the said pedestal and the first ring platform.
Further, also comprise sealing ring, said sealing ring places between said atomizing seat and the said atomizing cap, and said sealing ring middle part is provided with the opening of the said liquid bath of coupling, and said first air drain of coupling and second air drain are provided with some cores on the said sealing ring.
Further, comprise that also choke valve is fastened in said atomizing seat and the atomizing cap, said choke valve is provided with point, and said point places said fluid injector place, keeps the gap between said point and the said atomizing cap madial wall.
In sum; The utility model is through offering second air drain on said atomizing seat; Cooperate the gas nozzle that is communicated with second air drain is set in the said atomizing core retainer plate; The atomizing particle that will penetrate in the said atomizer further is broken into the littler particle of particle diameter, makes atomizing effect better, improves the uniformity of powder.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is the exploded view of the utility model shown in Figure 1.
Fig. 3 is the side view of the said the utility model of Fig. 1.
Fig. 4 is the generalized section of the utility model shown in Figure 1.
The specific embodiment
For further understanding characteristic, technological means and the specific purposes that reached, the function of the utility model, the utility model is described in further detail below in conjunction with the accompanying drawing and the specific embodiment.
See also Fig. 1 to Fig. 4; The utility model three fluid ultrasonic nebulization jet nozzles comprise atomizing seat 10, atomizing cap 20, sealing ring 30, atomizing core retainer plate 40 and choke valve 50; Said atomizing seat 10 is the cylindrical shape structure; Said atomizing seat 10 middle parts are concaved with liquid bath 11, and said liquid bath 11 peripheries are concaved with first air drain 12 and second air drain 13 of ring-type at interval on atomizing seat 10, and said atomizing seat 10 outer surfaces inwardly offer liquid hole 14 and pore 15; Said liquid hole 14 is connected with said liquid bath 11 conductings, and said pore 15 is connected with said first air drain 12 and 13 conductings of second air drain.
Said atomizing cap 20 is connected with said atomizing seat 10 fixings; Said atomizing cap 20 is provided with pedestal 25; Said pedestal 25 middle parts protrude out and are provided with the first ring platform 26; The said first ring platform 26 middle parts protrude out and are provided with the second ring platform 27, and the said second ring platform 26 middle parts protrude out and are provided with fluid injector 24, and it is one-body molded that said pedestal 25, first encircles platform 26, the second ring platform 27 and fluid injector 24.Said atomizing cap 20 runs through and is provided with first air flue 21, second air flue 22 and fluid passage 23; Said first air flue 21 runs through said pedestal 25, first and encircles the platform 26 and the second ring platform 27; Said second air flue 22 runs through the said pedestal 25 and the first ring platform 26, and said first air flue 21 is connected with 12 conductings of said first air drain, and said second air flue 22 is connected with 13 conductings of said second air drain; Said fluid passage 23 is connected with said fluid injector 24 conductings, and said fluid passage 26 encloses the formation fluid reservoir with said liquid bath 11.
Be provided with sealing ring 30 between said atomizing cap 20 and the said atomizing seat 10, said sealing ring 30 middle parts are provided with the opening 31 of the said liquid bath 11 of coupling, and said first air drain 12 of coupling and second air drain 13 are provided with some cores 32 on the said sealing ring 30.
Said atomizing core retainer plate 40 is connected through cap 60 fixings with said atomizing cap 20; Said atomizing core retainer plate 40 bottoms are concaved with interior mixing channel 41; Mixing channel 41 peripheries are concaved with the 3rd air drain 42 of ring-type in said on said atomizing core retainer plate 40; Mixing channel 41 end faces offer the atomizer 43 that runs through said atomizing core retainer plate 40 in said; Said atomizing core retainer plate 40 tops are concaved with the outer mixing channel 44 that is communicated with said atomizer 43, and said outer mixing channel 44 sidewall spacers offer the gas nozzle 45 that some and said the 3rd air drain 42 is communicated with, and said gas nozzle 45 is the Laval nozzle structure.Said second ring platform 27 and fluid injector 24 are fastened in the said interior mixing channel 41; Be provided with the gap between said fluid injector 24 and said interior mixing channel 41 madial walls; Said first air flue 21 is communicated with said atomizer 43 through the gap between said fluid injector 24 and the said interior mixing channel 41, and said second air flue 22 is communicated with said the 3rd air drain 42, during use; Nitrogen or compressed air flow into said second air drain 13, second air flue 22 and the 3rd air drain 42 through pore 15; Flow out from said gas nozzle 45 then, because Laval nozzle structure principle, the nitrogen or the compressed air speed that get into gas nozzle 45 are subsonic speed; The nitrogen or the compressed-air actuated speed that flow out from said gas nozzle 45 transfer supersonic speed to, increase nitrogen or compressed-air actuated impulsive force.
Said choke valve 50 is fastened in said fluid passage 23 and said liquid bath 11 encloses in the fluid reservoir of formation; Said choke valve 50 is provided with point 51; Said most advanced and sophisticated 51 deploy in said fluid passage 23 and said fluid injector 24 junctions; Keep the gap between said point 51 and said atomizing cap 20 madial walls, so that the outer liquid physical efficiency utilizes the gap to penetrate from fluid injector 24, outside liquid is the solution of ceramic nano powder or the formation soluble in water of nitrate nano particle.
When the utility model uses; The user flows into outside liquid in the said liquid bath 11 through said liquid hole 14; Outside liquid flows in the said fluid passage 23 through said liquid bath 11, and then penetrates from said fluid injector 24 through the said choke valve 50 and the gap of said atomizing cap 20 inwalls; Be that subsonic nitrogen or compressed air flow into said first air drain 12 and second air drain 13 through said pore 15 with speed simultaneously; And then flow into first air flue 21 and second air flue 22 be connected with said first air drain 12 and 13 conductings of second air drain respectively; Flow out through the said fluid injector 24 and the gap of said interior mixing channel 41 madial walls then; Under impacting, nitrogen or the compressed air of the outside liquid that said fluid injector 24 penetrates interior mixing channel 41 in atomizes; Outside liquid after the atomizing penetrates through said atomizer 43, under supersonic speed nitrogen that said gas nozzle 45 flows out or compressed-air actuated impact, is broken into the littler particle of particle diameter at last.
In sum; The utility model is through offering second air drain 13 on said atomizing seat 10; Cooperate in the said atomizing core retainer plate 20 gas nozzle 45 that is communicated with second air drain 13 is set; To make atomizing effect better from the littler particle of the further broken particle diameter of atomizing particle of 43 li ejaculations of said atomizer, improve the uniformity of powder.
The above embodiment has only expressed a kind of embodiment of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with accompanying claims.

Claims (8)

1. fluid ultrasonic nebulization jet nozzle; It comprises atomizing seat (10), atomizing cap (20) and atomizing core retainer plate (40); Be concaved with liquid bath (11) on the said atomizing seat (10); Said liquid bath (11) is peripheral to be provided with first air drain (12) in said atomizing seat (10), and said atomizing cap (20) is provided with fluid injector (24), and said liquid bath (11) is communicated with said fluid injector (24); Said atomizing core retainer plate (40) is connected with said atomizing cap (20) fixing; Said atomizing core retainer plate (40) bottom is concaved with interior mixing channel (41), offers the atomizer (43) that runs through said atomizing core retainer plate (40) in the said interior mixing channel (41), and said first air drain (12) is communicated with said atomizer (43); It is characterized in that: said atomizing seat (10) is provided with second air drain (13) that is provided with at interval with said first air drain (12); Said atomizing core retainer plate (40) top is concaved with the outer mixing channel (44) that is communicated with said atomizer (43), and said outer mixing channel (44) sidewall spacers offers some gas nozzles (45), and said second air drain (13) is communicated with said gas nozzle (45).
2. three fluid ultrasonic nebulization jet nozzles according to claim 1 is characterized in that: said gas nozzle (45) is the Laval nozzle structure.
3. three fluid ultrasonic nebulization jet nozzles according to claim 1; It is characterized in that: said atomizing seat (10) outer surface inwardly offers liquid hole (14) and pore (15); Said liquid hole (14) is connected with said liquid bath (11) conducting, and said pore (15) is connected with said first air drain (12) and second air drain (13) conducting.
4. three fluid ultrasonic nebulization jet nozzles according to claim 1; It is characterized in that: said atomizing cap (20) runs through and is provided with first air flue (21), second air flue (22) and fluid passage (23); Said first air flue (21) is connected with said first air drain (12) conducting; Said second air flue (22) is connected with said second air drain (13) conducting, and said fluid passage (23) is connected with said fluid injector (24) conducting.
5. three fluid ultrasonic nebulization jet nozzles according to claim 4; It is characterized in that: mixing channel (41) is peripheral in said is concaved with the 3rd air drain (42) on said atomizing core retainer plate (40), said the 3rd air drain (42) is communicated with said second air flue (22).
6. three fluid ultrasonic nebulization jet nozzles according to claim 4; It is characterized in that: said atomizing cap (20) is provided with pedestal (25); Said pedestal (25) middle part protrudes out and is provided with the first ring platform (26); Said first ring platform (26) middle part protrudes out and is provided with the second ring platform (27); Said second ring platform (27) middle part protrudes out and is provided with fluid injector (24); Said pedestal (25), the first ring platform (26), the second ring platform (27) and fluid injector (24) are one-body molded, and said first air flue (21) runs through said pedestal (25), the first ring platform (26) and the second ring platform (27), and said second air flue (22) runs through the said pedestal (25) and the first ring platform (26).
7. three fluid ultrasonic nebulization jet nozzles according to claim 1; It is characterized in that: also comprise sealing ring (30); Said sealing ring (30) places between said atomizing seat (10) and the said atomizing cap (20); Said sealing ring (30) middle part is provided with the opening (31) of the said liquid bath of coupling, and said sealing ring (30) is gone up coupling said first air drain (12) and second air drain (13) is provided with some cores (32).
8. three fluid ultrasonic nebulization jet nozzles according to claim 1; It is characterized in that: comprise that also choke valve (50) is fastened in said atomizing seat (10) and the atomizing cap (20); Said choke valve (50) is provided with point (51); Said point (51) places said fluid injector (24) to locate, and keeps the gap between said point (51) and said atomizing cap (20) madial wall.
CN2011204874016U 2011-11-30 2011-11-30 Three-fluid supersonic atomizing nozzle Expired - Fee Related CN202427957U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204874016U CN202427957U (en) 2011-11-30 2011-11-30 Three-fluid supersonic atomizing nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204874016U CN202427957U (en) 2011-11-30 2011-11-30 Three-fluid supersonic atomizing nozzle

Publications (1)

Publication Number Publication Date
CN202427957U true CN202427957U (en) 2012-09-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204874016U Expired - Fee Related CN202427957U (en) 2011-11-30 2011-11-30 Three-fluid supersonic atomizing nozzle

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105014087A (en) * 2015-07-01 2015-11-04 苏州市新纶喷丝组件厂 Metal sand preparation equipment and preparation process
CN105618773A (en) * 2016-03-21 2016-06-01 南京理工大学 Gas atomization device for preparing 3D printing metal powder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105014087A (en) * 2015-07-01 2015-11-04 苏州市新纶喷丝组件厂 Metal sand preparation equipment and preparation process
CN105618773A (en) * 2016-03-21 2016-06-01 南京理工大学 Gas atomization device for preparing 3D printing metal powder
CN105618773B (en) * 2016-03-21 2019-01-04 南京理工大学 A kind of gas atomization device being used to prepare 3D printing metal powder

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120912

Termination date: 20121130