CN208195655U - Production of aluminum powder atomizer - Google Patents
Production of aluminum powder atomizer Download PDFInfo
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- CN208195655U CN208195655U CN201820772698.2U CN201820772698U CN208195655U CN 208195655 U CN208195655 U CN 208195655U CN 201820772698 U CN201820772698 U CN 201820772698U CN 208195655 U CN208195655 U CN 208195655U
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Abstract
The utility model provides a kind of production of aluminum powder atomizer, including nozzle inner body, body and nozzle ectosome in nozzle, body in nozzle is set with outside nozzle inner body, extracorporeal set has nozzle ectosome in nozzle, nozzle inner body is hollow tubular structure, its inner cavity is molten aluminum runner, body is connect with nozzle inner body in nozzle, one-shot air cavity and one-shot runner are formed in nozzle inner body and nozzle between body, secondary pulse air cavity and secondary pulse runner are formed in nozzle ectosome and nozzle between body, the liquid outlet of molten aluminum runner, the gas outlet of one-shot runner, the gas outlet of secondary pulse runner is sequentially arranged along molten aluminum flow direction.The utility model is the structure for changing existing atomizer nozzle, increase a gas flow on the basis of existing primary atomization nozzle, secondary high-pressure impact is carried out by molten aluminum of the increased gas flow to primary atomization, to keep the aluminum particle after atomization more tiny, superfine aluminium power recovery rate is improved.
Description
Technical field:
The utility model belongs to the manufacturing technology field of metal-powder, and in particular to a kind of production of aluminum powder atomization spray
Mouth.
Background technique:
Double-current atomization is the main method for producing metal powder, and the principle of powder processed is: a kind of high velocity fluid strikes gold
Belong to melt liquid metals is broken into tiny powder and is quickly cooled down solidification, to form metal powder.In this approach,
Atomizer is its required equipment, is the core that double-current method produces technology of metal powder, and the core component of atomizer is then mist
Change the nozzle of device, it directly decides the atomizing effect using effect of atomizer.
Existing atomizer nozzle is mostly primary atomization, and the middle part of nozzle is molten aluminum channel, and inertia is arranged on the outside of nozzle
Gas inlet and gas flow, high-pressure inert gas are formed the molten aluminum flowed out from molten aluminum channel from gas flow high speed outflow
Impact, so that molten aluminum atomization be made to become aluminium powder.Atomization process high speed outflow inert gas pressure to atomization after aluminium powder
Particle size effect is very big, and when inert gas pressure large impact speed is fast, the aluminium powder partial size of formation is thin, and inert gas pressure is small
Impact velocity is slow, then the partial size for being atomized the aluminium powder of formation is thicker.But primary atomization, mist lower to the utilization rate of inert gas
The aluminium powder partial size dissolved is thicker, and particle size range is wider, and the superfine aluminium power rate of recovery is low, is not able to satisfy super needed for the production of modern aluminum powder
The needs of atomized aluminium.
Utility model content:
In conclusion in order to overcome the shortcomings of that prior art problem, the utility model provide a kind of production of aluminum powder mist
Change nozzle, it is the structure for changing existing atomizer nozzle, increases a gas on the basis of existing primary atomization nozzle
Runner carries out secondary high-pressure impact to the molten aluminum of primary atomization by increased gas flow, makes after primary atomization and uncolled
Molten aluminum carry out secondary pulse atomization, thus make atomization after aluminum particle it is more tiny, improve superfine aluminium power recovery rate.
In order to solve the above technical problems, the technical solution of the utility model is achieved in that
A kind of production of aluminum powder atomizer, in which: including body in nozzle inner body, nozzle and nozzle ectosome, the spray
It is set with body in nozzle outside mouth inner body, extracorporeal set has nozzle ectosome in nozzle, and the nozzle inner body is hollow tubular structure,
Its inner cavity is molten aluminum runner, and high temperature molten aluminum body along molten aluminum flow passage, nozzle is connect with nozzle inner body, the side of body in nozzle
Once air inlet is set, forms one-shot air cavity and one-shot runner in nozzle inner body and nozzle between body, it is primary to rush
Runner connection one-shot air cavity and molten aluminum runner are hit, body connection, nozzle ectosome in the top of the nozzle ectosome and nozzle
With secondary pulse air cavity and secondary pulse runner are formed in nozzle between body, secondary pulse runner is connected to secondary pulse air cavity and aluminium
Liquid stream road, the side of the nozzle ectosome are provided with secondary air inlet mouth, an air inlet and secondary air inlet mouth difference
Inert gas inleting pipe is connected, is provided with pressure gauge and an intake valve, the secondary air inlet on an air inlet
Pressure gauge and secondary air inlet valve, the liquid outlet of molten aluminum runner, the gas outlet of one-shot runner, secondary pulse stream are provided on mouthful
The gas outlet in road is sequentially arranged along molten aluminum flow direction.
Further, the front of the nozzle inner body is evenly arranged multiple spiral helicine along the outer circle circumferential direction of nozzle inner body
Guide post, after nozzle inner body is installed on outside nozzle in vivo, between the guide post and guide post between nozzle inner body and nozzle ectosome
Form spiral helicine one-shot runner.
Further, the pressure of the gas flowed in the secondary pulse runner is greater than the gas flowed in one-shot runner
The pressure of body.
The utility model has the following beneficial effects:
1, the utility model is the structure for changing existing atomizer nozzle, is increased on the basis of existing primary atomization nozzle
Add a gas flow, secondary high-pressure impact is carried out by molten aluminum of the increased gas flow to primary atomization, makes primary atomization
Afterwards and uncooled molten aluminum carries out secondary pulse atomization, to keep the aluminum particle after atomization more tiny, improves superfine aluminium power
Recovery rate.
2, the one-shot runner of the utility model is helicoidal structure, after inert gas is by helical flow path high speed ejection,
Helically divergent shape sprays, and carries the flowing of molten aluminum spiral spray, when by secondary pulse runner, the indifferent gas that is sprayed at a high speed
The diverging of body secondary pulse, the setting of helical flow path apply flow direction to the molten aluminum of atomized spray, to reduce between molten aluminum
Intersect collision, reduces the collision adhesion of aluminum particle, keeps aluminum particle shape relatively regular, after secondary pulse diverging, makes
Aluminum particle is more tiny, to improve the recovery rate of the lesser superfine aluminium power of particle.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Nozzle inner body 1；Body 2 in nozzle；Nozzle ectosome 3；Molten aluminum runner 4；Air inlet 5；One-shot air cavity 6；One
Secondary Shocks runner 7；Secondary pulse air cavity 8；Secondary pulse runner 9；Secondary air inlet mouth 10；Pressure gauge 11；Intake valve 12；Two
Secondary intake valve 13；Guide post 14.
Fig. 2 is the structural schematic diagram of the guide post of the utility model
Nozzle inner body 1；Molten aluminum runner 4；Guide post 14.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of production of aluminum powder atomizer, including in nozzle inner body 1, nozzle outside body 2 and nozzle
Body 3 is set with body 2 in nozzle outside the nozzle inner body 1, is set with nozzle ectosome 3 in nozzle outside body 2, in the nozzle
Body 1 is hollow tubular structure, and inner cavity is molten aluminum runner 4, and high temperature molten aluminum is flowed along molten aluminum runner 4, in nozzle in body 2 and nozzle
Body 1 connects, and once air inlet 5 are arranged in the side of body 2 in nozzle, forms one-shot between body 2 in nozzle inner body 1 and nozzle
Air cavity 6 and one-shot runner 7, one-shot runner 7 are connected to one-shot air cavity 6 and molten aluminum runner 4, the nozzle ectosome
Body 2 connects in 3 top and nozzle, forms secondary pulse air cavity 8 and secondary pulse stream in nozzle ectosome 3 and nozzle between body 2
Road 9, secondary pulse runner 9 is connected to secondary pulse air cavity 8 and molten aluminum runner 4, the side of the nozzle ectosome 3 are provided with secondary
Air inlet 10, an air inlet 5 and secondary air inlet mouth 10 are separately connected inert gas inleting pipe, an air inlet
Be provided with pressure gauge 11 and an intake valve 12 on mouthfuls 5, be provided on the secondary air inlet mouth 10 pressure gauge 11 and it is secondary into
Air valve 13, the liquid outlet of molten aluminum runner 4, the gas outlet of one-shot runner 7, secondary pulse runner 9 gas outlet along molten aluminum stream
Dynamic direction is sequentially arranged.The front of nozzle inner body 1 is evenly arranged multiple spiral helicine guiding along the outer circle circumferential direction of nozzle inner body 1
Column 14, after nozzle inner body 1 is installed in nozzle ectosome 3, guide post 14 and guide post between nozzle inner body 1 and nozzle ectosome 3
Spiral helicine one-shot runner 7 is formed between 14.The pressure of the gas flowed in secondary pulse runner 9 is greater than one-shot stream
The pressure of the gas flowed in road 7.
In use, the molten aluminum of high temperature from the inner cavity of nozzle inner body 1 flow out, it is spouting along molten aluminum runner 4, inert gas from
Air inlet 5 enters one-shot air cavity 6, and inert gas enters secondary pulse air cavity 8 from secondary air inlet mouth 10, into primary
The inert gas for impacting air cavity 6 is flowed along one-shot runner 7, and high speed is spouting, in the gas outlet of one-shot runner 7
Place, the aluminium powder that the inert gas of height injection ejects molten aluminum runner 4 impact, and form tiny molten aluminum liquid pearl, molten aluminum liquid
Pearl continues to flow, and the inert gas into secondary pulse air cavity 8 is flowed along secondary pulse runner 9, from going out for secondary pulse runner 9
Port hight is spouting, carries out secondary pulse to the molten aluminum liquid pearl flowed through, thus be that molten aluminum liquid pearl becomes more tiny, molten aluminum
Liquid pearl continues to flow, and cools solidify out into aluminium powder in the process.
One-shot runner 7 is screw-shaped flow paths, then inert gas helically dissipates after the ejection of one-shot runner 7
Shape injection, to avoid the mutual collision adhesion between molten aluminum liquid pearl.
The pressure of the gas flowed in the utility model secondary pulse runner 9 is greater than the gas flowed in one-shot runner 7
The pressure of body.The pressure for the inert gas that secondary pulse runner 9 ejects is big, is more conducive to rushing to through one-shot runner 7
Molten aluminum after hitting carries out impact dispersion.Temperature of aluminum liquid can be declined after the impact of one-shot runner 7, it is therefore desirable to improve two
The pressure of inert gas in Secondary Shocks runner 9.
It should be noted that embodiment described above be to the illustrative and not limiting of technical solutions of the utility model, it is affiliated
The equivalent replacement of technical field those of ordinary skill or the other modifications made according to the prior art, as long as unpractical beyond this
The thinking and range of new technique scheme, should be included within interest field required by the utility model.
Claims (3)
1. a kind of production of aluminum powder atomizer, it is characterised in that: including body (2) and nozzle ectosome in nozzle inner body (1), nozzle
(3), it is set with body in nozzle (2) outside the nozzle inner body (1), is set with nozzle ectosome (3) outside body (2) in nozzle, it is described
Nozzle inner body (1) be hollow tubular structure, inner cavity be molten aluminum runner (4), high temperature molten aluminum along molten aluminum runner (4) flow, spray
Body (2) is connect with nozzle inner body (1) in mouth, side setting once air inlet (5) of body (2) in nozzle, nozzle inner body (1) with
One-shot air cavity (6) and one-shot runner (7), the primary punching of one-shot runner (7) connection are formed in nozzle between body (2)
Hit air cavity (6) and molten aluminum runner (4), in the top of the nozzle ectosome (3) and nozzle body (2) connect, nozzle ectosome (3) with
Secondary pulse air cavity (8) and secondary pulse runner (9) are formed in nozzle between body (2), secondary pulse runner (9) is connected to secondary punching
Air cavity (8) and molten aluminum runner (4) are hit, the side of the nozzle ectosome (3) is provided with secondary air inlet mouth (10), and described is primary
Air inlet (5) and secondary air inlet mouth (10) are separately connected inert gas inleting pipe, are provided with pressure on an air inlet (5)
Power table (11) and an intake valve (12) are provided with pressure gauge (11) and secondary air inlet valve on the secondary air inlet mouth (10)
(13), the gas outlet of the liquid outlet of molten aluminum runner (4), the gas outlet of one-shot runner (7), secondary pulse runner (9) is along aluminium
Liquid flow direction is sequentially arranged.
2. production of aluminum powder atomizer according to claim 1, it is characterised in that: before the nozzle inner body (1)
Portion is evenly arranged multiple spiral helicine guide posts (14) along the outer circle circumferential direction of nozzle inner body (1), and nozzle inner body (1) is installed on spray
After in mouth ectosome (3), spiral shell is formed between the guide post (14) between nozzle inner body (1) and nozzle ectosome (3) and guide post (14)
Revolve the one-shot runner (7) of shape.
3. production of aluminum powder atomizer according to claim 1, it is characterised in that: the secondary pulse runner (9)
The pressure of the gas of interior flowing is greater than the pressure of the gas flowed in one-shot runner (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772698.2U CN208195655U (en) | 2018-05-23 | 2018-05-23 | Production of aluminum powder atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772698.2U CN208195655U (en) | 2018-05-23 | 2018-05-23 | Production of aluminum powder atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208195655U true CN208195655U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820772698.2U Active CN208195655U (en) | 2018-05-23 | 2018-05-23 | Production of aluminum powder atomizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589109A (en) * | 2020-11-27 | 2021-04-02 | 佛山市中研非晶科技股份有限公司 | Gas atomization powder making method and gas atomization powder making system using same |
-
2018
- 2018-05-23 CN CN201820772698.2U patent/CN208195655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589109A (en) * | 2020-11-27 | 2021-04-02 | 佛山市中研非晶科技股份有限公司 | Gas atomization powder making method and gas atomization powder making system using same |
| CN112589109B (en) * | 2020-11-27 | 2022-03-25 | 佛山市中研非晶科技股份有限公司 | Gas atomization powder making method and gas atomization powder making system using same |
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