CN206104891U - A gas atomizing nozzle for preparing fine spherical powder - Google Patents
A gas atomizing nozzle for preparing fine spherical powder Download PDFInfo
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- CN206104891U CN206104891U CN201621110214.5U CN201621110214U CN206104891U CN 206104891 U CN206104891 U CN 206104891U CN 201621110214 U CN201621110214 U CN 201621110214U CN 206104891 U CN206104891 U CN 206104891U
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- outlet
- gas
- outlet passageway
- channel
- spherical powder
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Abstract
The utility model relates to a gas atomized metal powder technical field provides a gas atomizing nozzle for preparing fine spherical powder. The utility model provides a gas atomizing nozzle has seted up airflow channel and water conservancy diversion passageway. Gas atomizing nozzle has the first face and the second face of relative setting. The water conservancy diversion passageway has to be offered in the import of first face and offers in dihedral export, airflow channel includes inlet channel, air cavity, many the 1st air outlet channel and the 2nd air outlet channel, the air cavity simultaneously and inlet channel and the 2nd air outlet channel intercommunication, the 2nd air outlet channel has and offers in second face and the second gas outlet that sets up around the export, many an air outlet channel and air cavity intercommunication, every the 1st air outlet channel has the first gas outlet of offering between the second face just lies in the second gas outlet and exports. The utility model provides a gas atomizing nozzle for preparing fine spherical powder can the high efficiency prepare fine metal powder through twice atomizing structural design.
Description
Technical field
This utility model is related to aerosolization technology of metal powder field, is used to prepare fine ball in particular to a kind of
The aerosolization nozzle of shape powder body.
Background technology
Gas atomization is to prepare the most commonly used method of metal dust, and by spray forming technology technique is completed.Generally
For its implementation process be such：During metal jet shapes, gases at high pressure are by atomizer to continuous gold
Category liquid stream is atomized, and molten metal stream is broken into therewith small drop, then drop is carried out to be cooled into metal base.By gas
The metal dust that body atomization is obtained, with crystal grain is tiny, composition uniform and the characteristic such as function admirable.
Spray forming technology can either overcome the defect that traditional metallurgical technology brings, moreover it is possible to avoid the system of powder metallurgy
The operations such as powder, compacting, sintering.The core of the atomising device being related in spray deposition processing is exactly atomizer.Existing skill
In art, one-level atomization technique being adopted the design of atomizer, it is difficult to realize the homogenization for being broken into drop of metal melting body more
With tinyization, and deposit matrix it is thick not fine and close.
Therefore, atomizer determines nebulization efficiency and powder property, if atomizing nozzle design is unreasonable, atomizing effect
Poor, the powder particle for obtaining is thicker, and the yield of fine powder is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of aerosolization nozzle for preparing minute spherical powder body, the aerosolization
Nozzle can high efficiency prepare refining metallic powder.
What this utility model was realized in：
A kind of aerosolization nozzle for preparing minute spherical powder body, aerosolization nozzle offers gas channel and water conservancy diversion is logical
Road, aerosolization nozzle has the first face and the second face being oppositely arranged, and flow-guiding channel has the import in first face that is opened in and opens
Located at the outlet in the second face, gas channel includes inlet channel, air cavity, a plurality of first outlet passageway and the second outlet passageway, gas
Chamber connects with inlet channel and the second outlet passageway simultaneously, and the second outlet passageway has second face that is opened in and arranges around outlet
The second gas outlet, a plurality of first outlet passageway connects with air cavity, has per the outlet passageway of bar first and is opened in the second face and position
The first gas outlet between the second gas outlet and outlet
Further, in this utility model preferred embodiment, multiple first gas outlets are enclosed located at outlet, the first outlet
Mouth is rounded.
Further, in this utility model preferred embodiment, air cavity offers the quantity pair with the first outlet passageway
The air inlet of circle first answered, is connected by corresponding first air inlet per the outlet passageway of bar first with air cavity, and the first outlet leads to
Road is in column type, and the diameter range of the first outlet passageway is 0.8-1.2mm.
Further, in this utility model preferred embodiment, the first gas outlet is led relative to the first air inlet is close
The centrage of circulation road, the centrage of the first outlet passageway is 15-17.5 ° with the angle of the centrage of flow-guiding channel.
Further, in this utility model preferred embodiment, air cavity offers the second air inlet, the second outlet passageway
Connected with air cavity by the second air inlet, the second air inlet is symmetrically set in the centre of aerosolization nozzle opposite flank.
Further, in this utility model preferred embodiment, the second gas outlet is led relative to the second air inlet is close
The centrage of circulation road, the second outlet passageway include first paragraph, second segment and the changeover portion for connecting first paragraph and second segment, first
Section is connected away from one end of changeover portion with the second air inlet, and second segment is connected away from one end of changeover portion with the second gas outlet, the
The angle of one section of centrage and the centrage of flow-guiding channel is 15-22.5 °, the centrage of second segment and the center of flow-guiding channel
The angle of line is 20-22.5 °.
Further, in this utility model preferred embodiment, first paragraph and second segment side are respectively facing from changeover portion
To the width of the second outlet passageway gradually increases.
Further, in this utility model preferred embodiment, the quantity of the first gas outlet is 4-8.
Further, in this utility model preferred embodiment, inlet channel is circular platform type, along inlet channel towards gas
The direction in chamber, the caliber of inlet channel is gradually reduced.
Further, in this utility model preferred embodiment, flow-guiding channel is stepped ramp type.
The beneficial effects of the utility model are：This utility model is used to prepare fine ball by one kind that above-mentioned design is obtained
The aerosolization nozzle of shape powder body, offers gas channel and flow-guiding channel, and gas channel is provided simultaneously with the first outlet passageway and many
The outlet passageway of bar second.The aerosolization nozzle is entered by the design of the first outlet passageway and the second outlet passageway to metal melting body
Gone and be atomized twice, improve nebulization efficiency, can high efficiency prepare refining metallic powder, reduce production cost.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to wanting needed for embodiment
The accompanying drawing for using is briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Can be obtaining other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the I-I generalized sections for preparing the aerosolization nozzle of minute spherical powder body that this utility model is provided；
Fig. 2 is the axonometric chart for preparing the aerosolization nozzle of minute spherical powder body that this utility model is provided；
Fig. 3 is the enlarged drawing of the a-quadrant that this utility model is provided；
Fig. 4 is the enlarged drawing in the B regions that this utility model is provided.
Icon：100- aerosolization nozzles；110- gas channels；120- flow-guiding channels；The faces of 130- first；The faces of 140- second；
150- sides；131- imports；141- is exported；111- inlet channels；112- air cavitys；The outlet passageways of 113- first；115- first enters
QI KOU；The gas outlets of 117- first；The outlet passageways of 114- second；The air inlets of 116- second；The gas outlets of 118- second；151- air inlets
Hole；160- first paragraphs；170- second segments；180- changeover portions；The centrage of H- flow-guiding channels.
Specific embodiment
To make purpose, technical scheme and the advantage of this utility model embodiment clearer, below in conjunction with this practicality
Accompanying drawing in new embodiment, is clearly and completely described to the technical scheme in this utility model embodiment, shows
So, described embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on this practicality
Embodiment in new, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of this utility model protection.Therefore, enforcement of the present utility model below to providing in the accompanying drawings
The detailed description of mode is not intended to limit claimed scope of the present utility model, but is merely representative of of the present utility model
Selected embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, belongs to the scope of this utility model protection.
In description of the present utility model, it is to be understood that term " on ", D score, " side ", the orientation of the instruction such as " bottom "
Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of description this utility model and simplification is retouched
State, rather than indicate or imply indication equipment or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.Thus, defining the feature of " first ", " second " etc. can express
Or implicitly include one or more this feature.
In this utility model, unless otherwise clearly defined and limited, the term such as term " setting ", " connection " should do extensively
Reason and good sense solution, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be joined directly together, it is also possible to
It is indirectly connected to by intermediary, can is connection or the interaction relationship of two elements of two element internals.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in this utility model can be as the case may be understood.
Refer to shown in Fig. 1 to Fig. 4.
Refer to shown in Fig. 1, aerosolization nozzle 100 offers gas channel 110 and flow-guiding channel 120.
Aerosolization nozzle 100 has the first face 130 and the second face 140 being oppositely arranged, from the 130 to the second face of the first face
140 direction is direction from top to bottom.Aerosolization nozzle 100 also includes side 150, and side 150 is located at the first face 130 and the
Between two faces 140.
Fig. 1 and Fig. 2 is referred to, flow-guiding channel 120 is arranged on aerosolization from top to bottom through aerosolization nozzle 100
The center of nozzle 100.Flow-guiding channel 120 has the import 131 in first face 130 that is opened in and is opened in the second face 140
Outlet 141.Flow-guiding channel 120 is used to place mozzle (not shown).Mozzle is put into flow-guiding channel 120, metal from import 131
Molten mass is passed in and out by mozzle.The selection of mozzle is not specifically limited, in the present embodiment, using ceramic mozzle.Lead
The shape of circulation road 120 is not specifically limited, in the present embodiment, it is contemplated that mitigates gas atomization production cost, avoids as far as possible
The generation of blocking package phenomenon, flow-guiding channel 120 is caused to be designed as stepped bore because the front heating of atomization is not in place.In the present embodiment,
Flow-guiding channel 120 includes three steps.From top to bottom, the shape of three steps is followed successively by column type, circular platform type and column type.Should
The generation for effectively preventing metal from gaging somebody phenomenon is designed to, atomization production efficiency is improved.
Fig. 1 and Fig. 4 is referred to, gas channel 110 is used for the turnover of gases at high pressure.Gas channel 110 includes inlet channel
111st, air cavity 112, the outlet passageway 114 of a plurality of first outlet passageway 113 and second.Air cavity 112 simultaneously with inlet channel 111, many
The first outlet passageway of bar 113 is connected with the second outlet passageway 114.
Fig. 1 and Fig. 2 is referred to, on the side 150 of aerosolization nozzle 100 air inlet 151 is offered.Air inlet 151
Quantity is not specifically limited, in the present embodiment, it is contemplated that increase throughput, arranges two symmetrical air inlets 151.Enter
The quantity of gas passage 111 is not specifically limited, and in the present embodiment, the quantity of inlet channel 111 is two.Two inlet channels
111 connect respectively with two air inlets 151.
It should be noted that the shape of inlet channel 111 is not specifically limited, in the present embodiment, preferably, air inlet
Passage 111 is circular platform type.In the present embodiment, inlet channel 111 is horizontally disposed relative to flow-guiding channel 120.Along inlet channel
111 towards the air cavity 112 direction, the caliber of inlet channel 111 is gradually reduced.From air inlet 151 to the side of air cavity 112
To the side of inlet channel 111 is 3-8 ° relative to the scope of the angle of inclination w of its centrage.Being designed with for circular platform type is beneficial to
Increase the flow rate of gas.
Fig. 1 and Fig. 2 is referred to, air cavity 112 is continuous class ring cavity.Air cavity 112 is located on flow-guiding channel 120.Air cavity
112 shape is not specifically limited, and in the present embodiment, air cavity 112 is not advise perpendicular to the section of the centrage of inlet channel 111
Then shape.Near the part of flow-guiding channel 120, the edge of air cavity 112 is streamline cambered design, and the design can effectively prevent gas
Body flows backwards.
Fig. 1 and Fig. 4 is referred to, multiple first air inlets 115 are offered on the diapire of air cavity 112.First air inlet 115
Shape be not particularly limited, in the present embodiment, preferably, the first air inlet 115 is circle.First air inlet 115
Quantity is not particularly limited, and in the present embodiment, the first air inlet 115 is identical with the quantity of the first outlet passageway 113.First goes out
Gas passage 113 is connected with the first air inlet 115.
Fig. 2 and Fig. 4 is referred to, there are multiple first gas outlets in second face 140 that is opened in per the first outlet passageway of bar 113
117.It should be noted that the shape of the first gas outlet 117 is not particularly limited, in the present embodiment, preferably, first goes out
QI KOU 117 it is generally circular in shape.The quantity of the first gas outlet 117 is not specifically limited, in the present embodiment, the first gas outlet
117 quantity is identical with the quantity of the first outlet passageway 113, is 4-8 as being preferably.First gas outlet 117 is located on out
Mouth 141.
Gas is discharged again Jing after inlet channel 111 enters air cavity 112 via the first outlet passageway 113.Here the first outlet
The effect of passage 113 is to carry out primary atomization to metal melting body, so as to dispersed steel fluid column, improves nebulization efficiency, is prepared
Refining metallic powder, and then improve production efficiency, reduce production cost.
The shape of the first outlet passageway 113 is not particularly limited, in the present embodiment, preferably, the first outlet passageway
113 are shaped as column type.The diameter of the first outlet passageway 113 is not specifically limited, in the present embodiment, preferably, the
The diameter range of one outlet passageway 113 is 0.8-1.2mm.First gas outlet 117 is logical near water conservancy diversion relative to the first air inlet 115
The centrage H in road 120.Refer to the angle Y of Fig. 3, the centrage of the first outlet passageway 113 and the centrage H of flow-guiding channel 120
Scope be 15-17.5 °.Arrange parallel to flow-guiding channel 120 compared to the first outlet passageway 113, the set-up mode is more favourable
Accelerate to flow out in gas.
Fig. 1 and Fig. 4 is referred to, air cavity 112 is near the diapire that the face in the second face 140 is air cavity 112, the diapire of air cavity 112
On offer the second air inlet 116.The shape of the second air inlet 116 is not particularly limited.In the present embodiment, the second air inlet
116 centres for being symmetrically set in the opposite flank 150 of aerosolization nozzle 100.Second outlet passageway 114 passes through the second air inlet
116 connect with air cavity 112.
The second gas outlet 118 that second outlet passageway 114 has second face 140 that is opened in and arranges around outlet 141.The
Two gas outlets 118 are annular.First gas outlet 117 is located between the second gas outlet 118 and outlet 141.Second gas outlet 118
It is located on the first gas outlet 117.Gas is discharged again Jing after inlet channel 111 enters air cavity 112 via the second outlet passageway 114.
The effect of the second outlet passageway 114 here is that the metal melting body to flowing out in mozzle carries out secondary-atomizing.Through twice
Atomization so that the metal dust for preparing is finer.
Refer to Fig. 3, the second gas outlet 118 relative to the second air inlet 116 near flow-guiding channel 120 centrage H.Tool
Body ground, the second outlet passageway 114 includes first paragraph 160, second segment 170 and the changeover portion for connecting first paragraph 160 and second segment 170
180, first paragraph 160 is connected away from one end of changeover portion 180 with the second air inlet 116, and second segment 170 is away from changeover portion 180
One end connects with the second gas outlet 118, the scope of the angle Z of the centrage of first paragraph 160 and the centrage H of flow-guiding channel 120
For 15-22.5 °, the centrage of second segment 170 is 20-22.5 ° with the scope of the angle D of the centrage H of flow-guiding channel 120.From
First paragraph 160 arrives the direction of changeover portion 180, and the thickness of the second outlet passageway 114 becomes narrow gradually, from changeover portion 180 to second segment 170
Direction, the thickness of the second outlet passageway 114 gradually broadens.At changeover portion 180, the thickness of the second outlet passageway 114 is 1mm.
The thickness of the second outlet passageway 114 and the shift design of angle can produce high velocity air, improve nebulization efficiency.
In sum, second outlet passageway 114 and the first outlet passageway 113 of the design of aerosolization nozzle 100 improves
Nebulization efficiency, can prepare fine metal dust, and improve production efficiency reduces production cost.
Preferred implementation of the present utility model is the foregoing is only, this utility model is not limited to, for
Any modification, equivalent substitution and improvements that the skill of this area is made etc., should be included in art within protection domain of the present utility model
For personnel, this utility model can have various modifications and variations.Within all spirit stated at this and principle.
Claims (10)
1. a kind of aerosolization nozzle for preparing minute spherical powder body, it is characterised in that the aerosolization nozzle offers gas
Circulation road and flow-guiding channel, the aerosolization nozzle has the first face and the second face being oppositely arranged, and the flow-guiding channel has
The import for being opened in first face and the outlet for being opened in second face, the gas channel include inlet channel, air cavity,
A plurality of first outlet passageway and the second outlet passageway, the air cavity connects with the inlet channel and second outlet passageway simultaneously
Logical, second outlet passageway has the second gas outlet for being opened in second face and arranging around the outlet, a plurality of institute
State the first outlet passageway to connect with the air cavity, have per the first outlet passageway described in bar and be opened in second face and positioned at institute
State the first gas outlet between the second gas outlet and the outlet.
2. the aerosolization nozzle for preparing minute spherical powder body according to claim 1, it is characterised in that multiple described
First gas outlet is enclosed located at the outlet, and first gas outlet is rounded.
3. the aerosolization nozzle for preparing minute spherical powder body according to claim 2, it is characterised in that the air cavity
Circular first air inlet corresponding with the quantity of first outlet passageway is offered, per the first outlet passageway described in bar by right
First air inlet answered is connected with the air cavity, and first outlet passageway is in column type, first outlet passageway
Diameter range is 0.8-1.2mm.
4. the aerosolization nozzle for preparing minute spherical powder body according to claim 3, it is characterised in that described first
Gas outlet relative to first air inlet near the flow-guiding channel centrage, the centrage of first outlet passageway with
The angle of the centrage of the flow-guiding channel is 15-17.5 °.
5. the aerosolization nozzle for preparing minute spherical powder body according to claim 1, it is characterised in that the air cavity
The second air inlet is offered, second outlet passageway is connected by second air inlet with the air cavity, and described second enters
QI KOU is symmetrically set in the centre of the aerosolization nozzle opposite flank.
6. the aerosolization nozzle for preparing minute spherical powder body according to claim 5, it is characterised in that described second
Gas outlet relative to second air inlet near the flow-guiding channel centrage, second outlet passageway include first
Section, second segment and the changeover portion for connecting the first paragraph and the second segment, the one end of the first paragraph away from the changeover portion
Connect with second air inlet, the second segment is connected away from one end of the changeover portion with second gas outlet, described
The centrage of first paragraph is 15-22.5 ° with the angle of the centrage of the flow-guiding channel, the centrage of the second segment with it is described
The angle of the centrage of flow-guiding channel is 20-22.5 °.
7. the aerosolization nozzle for preparing minute spherical powder body according to claim 6, it is characterised in that from the mistake
Cross section and be respectively facing the first paragraph and the second segment direction, the width of second outlet passageway gradually increases.
8. the aerosolization nozzle for preparing minute spherical powder body according to claim 1, it is characterised in that described first
The quantity of gas outlet is 4-8.
9. the aerosolization nozzle for preparing minute spherical powder body according to claim 1, it is characterised in that the air inlet
Passage is circular platform type, along the inlet channel towards the air cavity direction, the caliber of the inlet channel is gradually reduced.
10. the aerosolization nozzle for preparing minute spherical powder body according to claim 1, it is characterised in that described to lead
Circulation road is stepped ramp type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621110214.5U CN206104891U (en) | 2016-10-10 | 2016-10-10 | A gas atomizing nozzle for preparing fine spherical powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621110214.5U CN206104891U (en) | 2016-10-10 | 2016-10-10 | A gas atomizing nozzle for preparing fine spherical powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206104891U true CN206104891U (en) | 2017-04-19 |
Family
ID=58528962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621110214.5U Expired - Fee Related CN206104891U (en) | 2016-10-10 | 2016-10-10 | A gas atomizing nozzle for preparing fine spherical powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206104891U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180739A (en) * | 2016-10-10 | 2016-12-07 | 江西悦安超细金属有限公司 | A kind of aerosolization nozzle for preparing minute spherical powder body |
| CN111975007A (en) * | 2020-08-14 | 2020-11-24 | 中航迈特粉冶科技（北京）有限公司 | Gas atomizing nozzle and atomizing device |
| CN113681017A (en) * | 2021-09-22 | 2021-11-23 | 北京机科国创轻量化科学研究院有限公司 | Gas heating spiral-flow type tightly-coupled circumferential seam nozzle |
| CN115007868A (en) * | 2022-07-15 | 2022-09-06 | 广东银纳增材制造技术有限公司 | Argon filling method and device in 3d printing powder milling process |
-
2016
- 2016-10-10 CN CN201621110214.5U patent/CN206104891U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180739A (en) * | 2016-10-10 | 2016-12-07 | 江西悦安超细金属有限公司 | A kind of aerosolization nozzle for preparing minute spherical powder body |
| CN111975007A (en) * | 2020-08-14 | 2020-11-24 | 中航迈特粉冶科技（北京）有限公司 | Gas atomizing nozzle and atomizing device |
| CN111975007B (en) * | 2020-08-14 | 2022-07-22 | 中航迈特粉冶科技(徐州)有限公司 | Gas atomizing nozzle and atomizing device |
| CN113681017A (en) * | 2021-09-22 | 2021-11-23 | 北京机科国创轻量化科学研究院有限公司 | Gas heating spiral-flow type tightly-coupled circumferential seam nozzle |
| CN113681017B (en) * | 2021-09-22 | 2023-06-02 | 北京机科国创轻量化科学研究院有限公司 | Gas heating spiral-flow type tight coupling circular seam nozzle |
| CN115007868A (en) * | 2022-07-15 | 2022-09-06 | 广东银纳增材制造技术有限公司 | Argon filling method and device in 3d printing powder milling process |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |