CN106413950A - Apparatus and method for manufacturing fine powder by using mixed gas spray - Google Patents
Apparatus and method for manufacturing fine powder by using mixed gas spray Download PDFInfo
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- CN106413950A CN106413950A CN201480073972.1A CN201480073972A CN106413950A CN 106413950 A CN106413950 A CN 106413950A CN 201480073972 A CN201480073972 A CN 201480073972A CN 106413950 A CN106413950 A CN 106413950A
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- powder
- mixed gas
- raw material
- gas
- attritive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F2009/0804—Dispersion in or on liquid, other than with sieves
- B22F2009/0808—Mechanical dispersion of melt, e.g. by sieves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/084—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid combination of methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0888—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Disclosed are an apparatus and method for manufacturing fine powder by using a mixed gas spray. A melting chamber melts a raw material, a formed raw material solvent is supplied, a mixed gas spraying device sprays a mixed gas of a gas and a solid powder onto the raw material solvent supplied from the melting chamber, and a raw material powder is formed thereby. A holding chamber is formed at the bottom of the melting chamber and holds the raw material powder, a screen is formed at the bottom of the holding chamber and filters raw material powder of a size greater than a determined size from the raw material powder, and a collecting chamber is formed at the bottom of the screen and collects finished fine raw material powder that has passed through the screen. Also, fine raw material powder is collected through a collecting chamber and a cyclone at the bottom of the melting chamber. In addition, with respect to the mixed gas spraying device, a mixed gas spraying cell generates a mixed gas in which the gas and the solid powder are mixed and sprays the mixed gas at the raw material solvent. Further, a gas heating cell supplies heated gas to the mixed gas spraying cell, and a solid powder heating cell supplies heated solid powder to the mixed gas spraying cell. Moreover, a gas storage stores gas to be supplied to the gas heating cell, and a solid powder storage stores solid powder to be supplied to the metal powder heating cell.
Description
Technical field
The present invention relates to the use of material powder manufacture device and the method for mixed gas injection.More specifically,
Formed in the raw material liquation of raw material melting being sprayed by the mixed gas of gas and pressed powder mixing
The material powder manufacture device of utilization mixed gas injection of attritive powder and method.
Background technology
Attritive powder is that metal is made fine powder, for coating, draw tool, gold/silver color
Various field such as the raw material of printing ink, chemical industry catalyst or fireworks and metallic reducing agent.
Recently, attritive powder, as welding powder or welding paste etc., is mainly used in the ministry of electronics industry
The welding of part, its demand is gradually increased.With the miniaturization of mobile communication equipment, multiband,
High frequency trend it is desirable to the highly integrated and miniaturization of field of components, in chip manufacturing field,
Carry out the miniaturization of chip itself, integrated.Therefore, soldering paste, solder powder etc. from now on is micro-
The demand of fine powder also increases.
There is various species in the manufacture of attritive powder, attritive powder should have finer chi
Very little, in addition, its productivity ratio and production yield will height.Generally, as manufacture attritive powder
Method, using the comminuting method that solid metal is pulverized, wet by the chemical method of such as precipitation
Formula method, and the nebulization sprayed using injection nozzle after making metallic material etc..Described
In method, described nebulization, according to the cooling medium using, can be divided into the liquid using such as water
Water jet nebulizer and the gas sprayer using gas.
Now, water jet nebulizer device can be divided into the only liquid of injection such as water or mixing jetting water
Mode with gas.Water jet nebulizer mode is compared with gas sprayer mode although drive manner
And the pulverizing pattern of drop is similar to, but difference is, replaces gas using liquid, carries out for pulverizing
The motion of drop can be transmitted.
Therefore, water jet nebulizer device replaces gas and the larger water of injection density, therefore, occurs
Relatively large motion energy, has the advantages that the metal dust that can generate 1 μm of size, but uses water
Replace non-active gas, the oxidation (Oxidization) with the metal dust as product with after
The limitation of process problem.
In addition, conventional gas sprayer device is while so that motlten metal is flowed out by injection nozzle,
The non-active gas of the such as argon or nitrogen of injection room temperature, manufacture metal dust, the metal dust of manufacture
Granular size be formed as average 100 μm about.
Fig. 1 is the figure of the common gas sprayer device of diagram.
If with reference to Fig. 1, for common gas sprayer device 10, columnar chamber 1
Metal liquid passes through supply pipe 2, is flowed to lower section by means of gravity, and non-active gas pass through nozzle 3
And the metal liquid direction injection flowing down to quick (more than 500m/s).Quickly non-active gas tool
There is larger motion energy, while hitting molten drop, molten drop is crushed, atomization
(atomization).
But, for the manufacture of the metal dust of this utilization gas sprayer device, in order to pulverize
There is the molten drop of larger surface tension force, need to increase gas motion energy, need to make gas injection speed
Degree is significantly increased.But, the gas injection speed of more than 900m/s is in conventional gas sprayer device
There is real critical point, thus exist theoretical difficult in terms of producing less than 10 μm metal dusts.
It is therefore desirable to a kind of for stoping oxidization of metal powder and obtaining the technology of less attritive powder,
Therefore, the present invention will manufacture the attritive powder less than prior art.
[prior art literature]
[patent documentation]
(patent documentation 1) Korean published Patent the 10-2011-0049487th
(patent documentation 2) Republic of Korea's registered patent the 10-1143887th
Content of the invention
(technical problem to be solved)
Present invention technical task to be realized be to provide a kind of manufacture by metal, the alloy of metal and metal/
It is fine that the utilization mixed gas of the fine material powder of at least one composition in Ceramic Composite material are sprayed
Powder fabricating apparatus and method.
The present invention other technical tasks to be realized are to provide a kind of fine powder of utilization mixed gas injection
Last manufacture device and method, with by gas and pressed powder mixing mixed gas be directly injected into raw material
The method of liquation manufactures fine material powder.
(means of solve problem)
The attritive powder manufacture device being intended to reach the utilization mixed gas injection of the present invention of described purpose can
To include：Melt chamber, it makes raw material melt, the raw material liquation that supply is formed；And mixed gas spray
Injection device, it sprays by gas and pressed powder to the described raw material liquation coming from described melt chamber supply
The mixed gas mixing are so that form material powder；Can also include：Accommodating chamber, it is formed at
Described melt chamber bottom, accommodates described material powder；Gauze, it is formed at described accommodating chamber bottom, is
Leach the material powder being more than default size in described material powder, there is the mesh of below default size；
Collect chamber, it is formed at described gauze bottom, collect the fine material powder completing through gauze.Separately
Outward, chamber and cyclone separator collected by melt chamber bottom, collect fine material powder.
In addition, described mixed gas injection apparatus can include：Mixed gas jet chamber, it generates by institute
State gas and the mixed gas of pressed powder mixing, to the injection of described raw material liquation；Gas heating chamber, its
Supply heated gas to described mixed gas jet chamber；And pressed powder heating chamber, it mixes to described
Close gas injection room and supply heated pressed powder；Described mixed gas injection apparatus can also include：
Gas storage part, it stores the gas for supplying to described gas heating chamber；And pressed powder storage part,
It stores the pressed powder for supplying to described pressed powder heating chamber.
In addition, the attritive powder manufacture method of the utilization mixed gas injection of the present invention can include：Make former
The step expected material melts and supply the raw material liquation of formation；Spray by gas to the raw material liquation of described supply
The mixed gas of body and pressed powder mixing and the step that forms droplets of feed；And make described droplets of feed cold
But the step forming material powder；Can also include：In the material powder of described formation, leach big
In the material powder of both sizings, the step reclaiming material powder.
(The effect of invention)
The attritive powder manufacture device of the embodiment according to the present invention and method, can manufacture by metal,
The material powder that at least one of the alloy of metal and metal/ceramic compound substance are constituted.For example, it is possible to system
Make less than 10 μm of material powder.
Furthermore it is possible to make raw material liquation flow out, directly spray by gas and solid to the fused raw material flowing out
The mixed gas of powder mixing, manufacture material powder.For example, it is possible to manufacture less than 10 μm of material powder.
In addition, using by gas and pressed powder mixing mixed gas manufacture material powder it is thus possible to
Prevent the material powder ultimately generating from aoxidizing, it is convenient to omit additional reduction operation.
Brief description
Fig. 1 is the figure of the common gas sprayer device of diagram.
Fig. 2 is the figure of the attritive powder manufacture device of diagram one embodiment of the invention.
Fig. 3 is the figure of the section of the manufacture device of attritive powder of diagram one embodiment of the invention.
Fig. 4 is the figure of the form of injection nozzle of diagram one embodiment of the invention.
Fig. 5 is the precedence diagram of the attritive powder manufacture method of diagram one embodiment of the invention.
Symbol description
110：Melt chamber
111：Raw material liquation
112：Raw material taphole
113：Mixed gas
114：Injection nozzle
115：Jet
120：Mixed gas injection apparatus
121：Mixed gas jet chamber
122：Gas heating chamber
123：Gas storage part
124：Pressed powder heating chamber
125：Pressed powder storage part
130：Accommodating chamber
131：Material powder
140：Gauze
150：Collect chamber
151：Fine material powder
160：Cyclone separator
161：Fine material powder
Preferred forms
It is referred to accompanying drawing below, describe embodiments of the invention in detail.It is initially noted that
Give reference marks aspect to the element of each figure, for identical element, even if being shown in not
On same figure, also make that there is identical symbol as far as possible.In addition, aspect of the present invention is being described, when sentencing
Disconnected think to related known constitute or function illustrate be those skilled in the art self-evident or
In the case of main idea of the present invention may be obscured, it is convenient to omit its detailed description.
Fig. 2 is the figure of the attritive powder manufacture device of diagram one embodiment of the invention.
If with reference to Fig. 2, attritive powder manufacture device 100 can include melt chamber 110, gas injection
Device 120, accommodating chamber 130, gauze 140 and collect chamber 150.
Melt chamber 110 can make raw material melting manufacture raw material liquation 111.In addition, melt chamber 110
Can be supplied raw material the raw material liquation 111 of material melts.Now, raw material can include metal, gold
Belong to alloy and metal/ceramic compound substance at least any one.In addition, raw material can be by not
Formed with species material.That is, raw material can be the material mixing two or more materials and being formed.
Furthermore it is possible to carry out spraying the different metal of fusing point and ceramic powders to raw material liquation, manufacture 1 to
The attritive powder manufacture of the metal dust of 200 μm of sizes and composite powder.
Mixed gas injection apparatus 120 can spray to the raw material liquation 111 supplied from melt chamber 110
Penetrate the mixed gas being mixed by gas and pressed powder and form material powder 131.
More specifically, mixed gas injection apparatus 120 can be being mixed by gas and metal dust
Mixed gas be directly injected into raw material liquation 111.The pressure of mixed gas can be 5 to 100bar,
The temperature of gas injection can be 25 to 750 DEG C.When gas injection insufficient pressure 5bar it is difficult to make
Make the micropowder of less than 20 μm sizes, when more than 100bar, have difficulties in terms of equipment making.When
When the temperature of gas injection is less than 25 DEG C, waste expense, when more than 750 DEG C, equipment makes difficult.
It is therefore preferable that the pressure of mixed gas is 5 to 100bar, the temperature of gas injection is 25 to 750 DEG C.
Mixed gas injection apparatus 120 utilize injection nozzle to supply mixed gas, and injection nozzle can be with confession
The raw material taphole 112 answering raw material liquation 111 separates both set a distances, around described raw material taphole
112 ground are formed.In addition, injection nozzle can be pass (hole type) or slit type (open slit type).
For pass and slit type, illustrate with reference to Fig. 4.
In addition, mixed gas injection apparatus 120 can include mixed gas jet chamber 121, gas heating
Room 122, gas storage part 123, pressed powder heating chamber 124 and pressed powder storage part 125.
Mixed gas jet chamber 121 can generate the mixed gas being mixed by gas and pressed powder.
In addition, mixed gas jet chamber 121 can be directly injected into raw material liquation the mixed gas generating.
Gas heating chamber 122 can supply heated gas to mixed gas jet chamber 121, and gas is deposited
Storage portion 123 can store the gas to gas heating chamber 122 supply.
More specifically, gas storage part 123 can be connected with gas heating chamber 122, gas heating chamber
122 can be connected with mixed gas jet chamber 121.Thus, it is possible to the storage gas storage part 123
Gas heats in gas heating chamber 122, supplies gas to mixed gas jet chamber 121.Gas heats
Gas heating in room 122, the relative velocity of the mixed gas of Shi Shi mixed gas jet chamber 121 injection
Increase.Described relative velocity is the relative velocity of metal dust and molten drop.Described gas can be non-
Active gasess.For example, gas can include air (air), nitrogen (N2), argon (Ar), helium (He)
In at least any one.In addition, described gas can be supplied with from pressed powder heating chamber 124
Pressed powder together, in mixed gas jet chamber 121 mix.The mixed gas of mixing pass through injection
Nozzle sprays to raw material liquation 111.
Pressed powder heating chamber 124 can supply heated pressed powder to mixed gas jet chamber 121,
Pressed powder storage part 125 can store the pressed powder to pressed powder heating chamber 124 supply.
More specifically, pressed powder storage part 125 can be connected with pressed powder heating chamber 124, Gu
Body powder heating chamber 124 can be connected with mixed gas jet chamber 121.Thus, it is possible to pressed powder
The pressed powder of storage part 125 storage heats in pressed powder heating chamber 124, to mixed gas injection
Pressed powder is supplied in room 121.Pressed powder heating in pressed powder heating chamber 124, is to make gaseous mixture
The relative velocity of the mixed gas of body jet chamber 121 injection increases.Described relative velocity be pressed powder with
The relative velocity of molten drop.In addition, described pressed powder can with supply from gas heating chamber 122 and
The heated gas come together, mixes in mixed gas jet chamber 121, and the mixed gas of mixing are led to
Overspray nozzle and spray in raw material liquation 111.
In addition, the species of metal dust can in metal, alloy and ceramic powders at least any one.
The size of metal dust can be 0.01～500 μm.When the size of metal dust is less than 0.01 μm, punching
Power of hitting weak it is difficult to manufacture attritive powder, when more than 500 μm, outlet obstruction it is difficult to injection.Therefore,
The size of preferably metal dust is 0.01～500 μm.
That is, mixed gas jet chamber 121 can mix from gas heating chamber 122 and pressed powder heating chamber
122 heated gas supplied and come and metal dust, generate mixed gas.Mixed gas jet chamber
121 are connected with injection nozzle, so that the mixed gas generating are sprayed in raw material liquation, can be by injection
Nozzle supplies mixed gas.
Now, the gas of mixed gas applies pressure so that pressed powder can quickly reach raw material liquation
111, the pressed powder of mixed gas plays work raw material liquation 111 being made fine material powder 131
With.Due to this reason, when the mixed gas that injection is mixed by gas and pressed powder, with list
Solely the situation of gas injection or pressed powder is compared, and can manufacture finer material powder 131.
If illustrated in greater detail, in order to manufacture fine material powder 131, the speed of gas injection should be made
Degree increases or improves the density of injecting substances.The present invention, in order to improve the speed of gas injection, utilizes and is added
The gas of heat.In addition, for the density improving injecting substances, higher 7.8 times than water, than nonactive gas
The pressed powder that high about 7,000 times about of body is used as injecting substances.That is, with the water injection utilizing water in the past
Or compared using the situation of gas, the density of pressed powder is high, can manufacture finer material powder 131.
Be now 0.1～500 μm of size, if the relative velocity of pressed powder and molten drop be 10m/s with
On, then can manufacture the material powder 131 of 10 μm of sizes.In addition, if relative velocity is 25m/s
More than, then can manufacture the material powder 131 of 1 μm of size.
Accommodating chamber 130 is formed at melt chamber 110 bottom, can accommodate material powder 131.Described raw material
Powder 131 is the powder spraying mixed gas from melt chamber 110 to raw material liquation and being formed.
Gauze 140 is formed at accommodating chamber 130 bottom, can leach the raw material powder accommodating in accommodating chamber 130
There is in end 131 material powder 131 more than both sizes of sizing.Therefore, gauze 140 is in order to obtain
The size that must need, can have the mesh of both sizings.
Collect chamber 150 and be formed at gauze bottom, the fine raw material completing through gauze 140 can be collected
Powder 151.
Fig. 3 is the figure of the section of the manufacture device of attritive powder of diagram one embodiment of the invention.
If with reference to Fig. 3 it may be said that bright raw material is manufactured into the process of attritive powder.Raw material
The raw material liquation 111 of melting drops to raw material taphole 112, can spray with from mixed gas in whereabouts
The mixed gas 113 of device 120 injection produce conflict.In addition, spraying from mixed gas injection apparatus 120
The mixed gas 113 penetrated can be sprayed in raw material liquation 111 by the jet 115 of injection nozzle 114,
Can produce with raw material liquation 111 and conflict.So produce, with mixed gas, the raw material liquation 111 conflicting to be made
Cause attritive powder.The size of the attritive powder so manufacturing is not set, thus utilizes gauze 140, can
To obtain the fine material powder 151 completing with both sizings.
Fig. 4 is the figure of the form of injection nozzle of diagram one embodiment of the invention.
If with reference to Fig. 4, be a diagram that look up from below injection nozzle 114, jet 115 and
The figure of the form of raw material taphole 112.
Fig. 4 (a) shows pass injection nozzle 114.Described pass injection nozzle 114 is by multiple injections
Mouth 112 presses predetermined distance arrangement, forms annular, can pass through many centered on raw material taphole 112
Individual jet 115 sprays mixed gas.
Fig. 4 (b) shows slit type injection nozzle 114.Described slit type injection nozzle 114 can lead to
Cross annular spray mouth 115 injection mixed gas, raw material liquation can be formed in annular spray mouth 115 inner side
Outlet 112.
The attritive powder manufacture device 100 of the present invention configured as described above can operate as follows.
Fig. 5 is the precedence diagram of the attritive powder manufacture method of diagram one embodiment of the invention.
If with reference to Fig. 5, in attritive powder manufacture method, melt chamber 110 makes raw material melt,
The raw material liquation S110 that supply is formed.Now, raw material include metal, the alloy of metal and metal/
In Ceramic Composite material at least any one.
Mixed gas injection apparatus 120 are to raw material liquation supply by mixing that gas and pressed powder mix
Close gas, form droplets of feed S120.Now, mixed gas can be to the pressed powder of storage and gas
After heating, mix heated pressed powder and gas and manufacture.In addition, the pressure of mixed gas is permissible
For 5 to 100bar, the temperature of gas injection can be 25 to 750 DEG C.
Described pressed powder can include metal dust, alloy powder, in metal/ceramic composite powder extremely
Lack any one, the size of pressed powder can be 0.001～500 μm.
Described gas can include air (air), nitrogen, argon, in helium at least any one.
Mixed gas supplied by mixed gas injection apparatus 120, so that the droplets of feed of formation is cooled down, and formed former
Feed powder end 131；S130.
Gauze 140 leaches the material powder 131 having more than both sizes of sizing in raw material end,
Collect the fine material powder 151 completing；S140.Described material powder 131 is using having both sizings
The gauze 140 of mesh leach such that it is able to manufacture the fine material powder 151 completing of formed objects.
For cyclone separator 160, when not using gauze or gauze mesh larger when, collecting
Coarse powder is reclaimed in chamber 150, through cyclone separator 160, can reclaim attritive powder 161.
Using this described manufacture method, can be by metal, the alloy of metal and metal/ceramic complex
The material powder of at least one composition in matter is manufactured into less than 10 μm of attritive powder.
Above the preferred embodiments of the present invention are had been shown and described, but the present invention be not limited to described
Specific preferred embodiment, on the premise of the main idea of the present invention asked without departing from claims, as long as
Those skilled in the art, all can diversely deformation implementation, this change also power
In the range of sharp claim is recorded.
Claims (23)
1. a kind of attritive powder manufacture device of utilization mixed gas injection is it is characterised in that include：
Melt chamber, it makes raw material melt, and supplies formed raw material liquation；And
Mixed gas injection apparatus, its to the described raw material liquation injection coming from described melt chamber supply by
The mixed gas that gas and pressed powder mix are so that form material powder.
2. the attritive powder manufacture device of utilization mixed gas injection according to claim 1, it is special
Levy and be, also include：
Accommodating chamber, it is formed at described melt chamber bottom, accommodates described material powder；
Gauze, it is formed at described accommodating chamber bottom, presets greatly to leach to be more than in described material powder
Little material powder, has the mesh of below default size；
Collect chamber, it is formed at described gauze bottom, collect the fine material powder completing through gauze.
3. the attritive powder manufacture device of utilization mixed gas injection according to claim 1, it is special
Levy and be,
Described mixed gas injection apparatus include：
Mixed gas jet chamber, the mixed gas that its generation is mixed by described gas and pressed powder,
Spray described mixed gas to described raw material liquation；
Gas heating chamber, it supplies heated gas to described mixed gas jet chamber；And
Pressed powder heating chamber, it supplies heated pressed powder to described mixed gas jet chamber.
4. the attritive powder manufacture device of utilization mixed gas injection according to claim 3, it is special
Levy and be,
Described mixed gas injection apparatus also include：
Gas storage part, it stores the gas for supplying to described gas heating chamber；And
Pressed powder storage part, it stores the pressed powder for supplying to described pressed powder heating chamber.
5. the attritive powder manufacture device of utilization mixed gas injection according to claim 1, it is special
Levy and be,
Described raw material includes at least any in metal, the alloy of metal and metal/ceramic compound substance
A kind of.
6. attritive powder manufacture device according to claim 1 it is characterised in that
Spray the different metal of fusing point and ceramic powders to described raw material liquation, manufacture 1 to 200 μm greatly
Little metal dust and composite powder.
7. the attritive powder manufacture device of utilization mixed gas injection according to claim 1, it is special
Levy and be,
Described pressed powder includes metal dust, alloy powder, at least appointing in metal/ceramic composite powder
Meaning is a kind of.
8. the attritive powder manufacture device of utilization mixed gas injection according to claim 1, it is special
Levy and be,
The size of described pressed powder is 0.001 to 500 μm.
9. the attritive powder manufacture device of utilization mixed gas injection according to claim 1, it is special
Levy and be,
Described gas include air, nitrogen, argon, in helium at least any one.
10. the attritive powder manufacture device of utilization mixed gas injection according to claim 1, it is special
Levy and be,
Described material powder is less than 10 μm.
The attritive powder manufacture device of 11. utilization mixed gas injections according to claim 1, it is special
Levy and be,
The pressure of described mixed gas is 5 to 100bar, and temperature is 25 to 750 DEG C.
The attritive powder manufacture device of 12. utilization mixed gas injections according to claim 3, it is special
Levy and be,
Described mixed gas injection apparatus are connected with injection nozzle, described mixed using the injection of described injection nozzle
Close gas, described injection nozzle is pass (hole type) or slit type (open slit type).
The attritive powder manufacture device of 13. utilization mixed gas injections according to claim 12, its
It is characterised by,
Described injection nozzle, centered on from the described raw material liquation that described melt chamber supply comes, is formed at
Described raw material liquation surrounding.
A kind of 14. attritive powder manufacture methods of utilization mixed gas injection are it is characterised in that include：
Raw material is made to melt, the step supplying formed raw material liquation；
The mixed gas being mixed by gas and pressed powder to the raw material liquation injection of described supply, from
And the step forming droplets of feed；And
The step making described droplets of feed cooling and forming material powder.
The attritive powder manufacture method of 15. utilization mixed gas injections according to claim 14, its
It is characterised by, also include：
In the material powder of described formation, leach the material powder more than default size, reclaim default big
The step of little following fine material powder.
The attritive powder manufacture method of 16. utilization mixed gas injections according to claim 14, its
It is characterised by,
Described mixed gas are after the pressed powder to storage and gas heating, by heated solid powder
End and gas mix.
The attritive powder manufacture method of 17. utilization mixed gas injections according to claim 14, its
It is characterised by,
Described raw material includes at least any in metal, the alloy of metal and metal/ceramic compound substance
A kind of.
18. attritive powder manufacture methods according to claim 14 it is characterised in that
Spray the different metal of fusing point and ceramic powders to described raw material liquation, manufacture 1 to 200 μm greatly
Little metal dust and composite powder.
The attritive powder manufacture method of 19. utilization mixed gas injections according to claim 14, its
It is characterised by,
Described pressed powder is metal dust, alloy powder, at least any in metal/ceramic composite powder
A kind of.
The attritive powder manufacture method of 20. utilization mixed gas injections according to claim 14, its
It is characterised by,
The size of described pressed powder is 0.001～500 μm.
The attritive powder manufacture method of 21. utilization mixed gas injections according to claim 14, its
It is characterised by,
Described gas include air (air), nitrogen, argon, in helium at least any one.
The attritive powder manufacture method of 22. utilization mixed gas injections according to claim 14, its
It is characterised by,
The pressure of described mixed gas is 5 to 100bar, and temperature is 25 to 750 DEG C.
A kind of 23. spherical powders it is characterised in that
Using by least one raw material constituting in metal, the alloy of metal and metal/ceramic compound substance
Powder, and
It is fabricated by using the manufacture method any one of claim 14 to 22, and size is 10
Below μm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130162654A KR101517583B1 (en) | 2013-12-24 | 2013-12-24 | Apparatus and Method for Manufacturing Minute Powder Using Mixed gas injection |
| KR10-2013-0162654 | 2013-12-24 | ||
| PCT/KR2014/012068 WO2015099322A1 (en) | 2013-12-24 | 2014-12-09 | Apparatus and method for manufacturing fine powder by using mixed gas spray |
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| CN106413950A true CN106413950A (en) | 2017-02-15 |
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| KR (1) | KR101517583B1 (en) |
| CN (1) | CN106413950A (en) |
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| CN107414091A (en) * | 2017-08-15 | 2017-12-01 | 哈尔滨三地增材制造有限公司 | A kind of preparation system and method for the enhanced titanium alloy powder of nano ceramics |
| CN108015295A (en) * | 2017-12-29 | 2018-05-11 | 北京康普锡威科技有限公司 | A kind of preparation method of increasing material manufacturing metal-based nano composite powder material |
| CN109093119A (en) * | 2018-09-10 | 2018-12-28 | 佛山峰合精密喷射成形科技有限公司 | A kind of injection forming and powder by atomization double-duty plant |
| CN114850481A (en) * | 2021-02-03 | 2022-08-05 | 三菱重工业株式会社 | Metal powder manufacturing device |
| CN115052695A (en) * | 2019-10-03 | 2022-09-13 | K.A.T.株式会社 | SN-TI alloy powder for superconducting wire, method for producing same, and method for producing superconducting wire using same |
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| CN106424746A (en) * | 2016-10-31 | 2017-02-22 | 湖南航天新材料技术研究院有限公司 | Device and method for preparing metal ceramic composite powder material |
| KR102295736B1 (en) * | 2020-02-18 | 2021-09-01 | 한국재료연구원 | Method for improving the flow characteristic of powder and the method for preparing the powder with improved flow characteristic |
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| CN115052695A (en) * | 2019-10-03 | 2022-09-13 | K.A.T.株式会社 | SN-TI alloy powder for superconducting wire, method for producing same, and method for producing superconducting wire using same |
| CN114850481A (en) * | 2021-02-03 | 2022-08-05 | 三菱重工业株式会社 | Metal powder manufacturing device |
| CN114850481B (en) * | 2021-02-03 | 2023-12-01 | 三菱重工业株式会社 | Metal powder manufacturing device |
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| Publication number | Publication date |
|---|---|
| KR101517583B1 (en) | 2015-05-07 |
| WO2015099322A1 (en) | 2015-07-02 |
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