CN111331145A - Device and method for preparing metal powder by ultrasonic - Google Patents
Device and method for preparing metal powder by ultrasonic Download PDFInfo
- Publication number
- CN111331145A CN111331145A CN202010347548.9A CN202010347548A CN111331145A CN 111331145 A CN111331145 A CN 111331145A CN 202010347548 A CN202010347548 A CN 202010347548A CN 111331145 A CN111331145 A CN 111331145A
- Authority
- CN
- China
- Prior art keywords
- metal
- ultrasonic
- atomization
- powder
- zinc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 103
- 239000002184 metal Substances 0.000 title claims abstract description 103
- 239000000843 powder Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000000889 atomisation Methods 0.000 claims abstract description 84
- 239000002245 particle Substances 0.000 claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000002844 melting Methods 0.000 claims description 30
- 230000008018 melting Effects 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 230000005674 electromagnetic induction Effects 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000006199 nebulizer Substances 0.000 claims description 8
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 239000012809 cooling fluid Substances 0.000 claims 2
- 238000002604 ultrasonography Methods 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 137
- 229910052725 zinc Inorganic materials 0.000 description 41
- 239000011701 zinc Substances 0.000 description 41
- 238000001878 scanning electron micrograph Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 17
- 238000001816 cooling Methods 0.000 description 16
- 238000009826 distribution Methods 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention relates to a device and a method for preparing metal powder by ultrasound, wherein the device comprises: the device comprises a blanking device, an ultrasonic atomization device and a powder collection device which are sequentially arranged from top to bottom, wherein the blanking device drops molten metal on an atomization vibrator of the ultrasonic atomization device; the ultrasonic atomizing apparatus includes: the energy converter drives the atomization vibrator to vibrate; the powder collecting device is used for collecting particles formed by scattering metal drops by the atomizing vibrators, and the particles are cooled into solid in the powder collecting device. By applying the embodiment of the invention, the lower atomization efficiency is higher.
Description
Technical Field
The invention relates to the technical field of metal material preparation, in particular to a device and a method for preparing metal powder by ultrasonic.
Background
Metal powder here means spherical metal particles. The metal powder has wide application in the fields of powder metallurgy, 3D printing, spraying, corrosion prevention and the like.
At present, the invention patent with application number 201611068664.7 in the prior art discloses an ultrasonic tin powder atomizing device, which comprises a tool head, wherein an amplitude transformer is arranged on one side of the tool head, a cooling device is arranged on one side of the amplitude transformer, a transducer front cover is arranged at one end of the amplitude transformer in the cooling device, a transducer rear cover is arranged on one side of the transducer front cover, a piezoelectric ceramic stack is arranged between the transducer front cover and the transducer rear cover, an electrode lead electrically connected to the piezoelectric ceramic stack is arranged on one side of the cooling device, and a signal generator is arranged at one end of the electrode lead. The ultrasonic atomized tin powder developed by the invention can fundamentally solve the defects, the ultrasonic waves are atomized according to the liquid surface tension wave forming, namely, liquid films are formed on the surfaces of the atomizing heads of the liquid metal under the vibration of the ultrasonic waves, the liquid films are broken by the vibration action and are separated from the liquid films to form uniform spheres, and the sphericity of the generated powder is higher.
However, as can be seen from paragraph 24 of the specification of "an ultrasonic tin powder atomizing device" and its specification fig. 2, the inventor found that the ultrasonic atomization method uses two oppositely disposed tool heads to emit ultrasonic waves relatively and atomizes the passing tin liquid, and this method uses ultrasonic waves to act on the liquid tin, and the tool heads do not contact with the liquid tin, so the driving effect of the ultrasonic waves is not good, and the production efficiency of the prior art is low.
Disclosure of Invention
The technical problem to be solved by the invention is how to improve the production efficiency of the atomization process.
The invention solves the technical problems through the following technical means:
the embodiment of the invention provides a device for preparing metal powder by ultrasonic, which comprises: a blanking device, an ultrasonic atomization device and a powder collection device which are arranged from top to bottom in sequence, wherein,
the blanking equipment drops the molten metal on an atomization vibrator of the ultrasonic atomization equipment;
the ultrasonic atomizing apparatus includes: the energy converter drives the atomization vibrator to vibrate;
the powder collecting device is used for collecting particles formed by scattering metal drops by the atomizing vibrators, and the particles are cooled into solid in the powder collecting device.
By applying the embodiment of the invention, the blanking device drops the molten metal liquid on the atomizing vibrator of the ultrasonic atomizing device, the atomizing vibrator directly vibrates the metal liquid to atomize the metal liquid, and compared with the prior art in which ultrasonic waves are used for acting on the metal liquid, the embodiment of the invention belongs to contact type atomization, and has stronger driving force, so that the atomization efficiency is higher.
Optionally, the unloading equipment includes: a metal bar clamping device and a metal bar melting device which are arranged from top to bottom in sequence, wherein,
the metal rod clamping device clamps the top end of the metal rod, and the bottom end of the metal rod is inserted into the metal rod melting device.
Optionally, the metal rod melting apparatus includes: one or a combination of an electromagnetic induction heating device and a resistance heating device.
Optionally, the metal bar clamping device is fixed on the lifting device, and the lifting device bears the metal bar clamping device to move up and down.
Optionally, the central line of the metal rod coincides with the central line of the metal rod melting device.
Optionally, the powder collecting device is a cavity structure, and a cooling liquid is contained in the cavity structure, wherein the cooling liquid includes; water;
the ultrasonic atomization equipment is positioned in the cavity inside the powder collection equipment and is positioned above the liquid level of the cooling liquid.
Optionally, the nebulizer comprises:
one or a combination of disk-shaped atomizing vibrators and spherical atomizing vibrators.
The embodiment of the invention provides a method for preparing metal powder by ultrasonic, which comprises the following steps:
clamping one end of a metal rod with the diameter of 1-150mm and the purity of more than 99% on blanking equipment;
controlling blanking equipment to drop metal liquid formed after the metal rod is melted onto ultrasonic atomization equipment;
an energy converter in the ultrasonic atomization equipment drives an atomization vibrator, and the atomization vibrator breaks up metal drops into particles;
the particles fall under gravity into a powder collection device.
Optionally, the control unloading equipment falls the metal liquid drop that forms after the metal rod melts on ultrasonic atomization equipment, includes:
controlling the metal bar clamping equipment to insert one end of the metal bar into the metal bar melting equipment at a rotating speed of 10-60rpm and a descending speed of 10-150 mm/min;
the metal rod melting equipment melts the metal rod into liquid to form metal drops, the metal drops drop on the atomization vibrator, and the ultrasonic power used by the atomization vibrator is 50-8000W; the ultrasonic frequency is 10kHz-150 kHz; the amplitude of the ultrasonic vibrator is 5-100 microns.
Optionally, the metal rod melting device is an induction heating device, wherein,
the electromagnetic coil of the induction heating equipment is a D-shaped copper coil, the outer diameter of the coil is 120-150mm, the height of the coil is 50-60mm, and the distance from the bottom of the coil to the top of the ultrasonic atomization vibrator is 25-50 mm; the number of turns is 5-8 turns; the working frequency of the electromagnetic coil is 10 kHz-100 kHz;
the copper coil is of a hollow structure, and circulating cooling water is contained in the copper coil; the water temperature is 3-20 ℃.
The invention has the advantages that:
by applying the embodiment of the invention, the blanking device drops the molten metal liquid on the atomizing vibrator of the ultrasonic atomizing device, the atomizing vibrator directly vibrates the metal liquid to atomize the metal liquid, and compared with the prior art in which ultrasonic waves are used for acting on the metal liquid, the embodiment of the invention belongs to contact type atomization, and has stronger driving force, so that the atomization efficiency is higher.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a metal rod clamping device in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first structure of an ultrasonic nebulizer in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second structure of an ultrasonic nebulizer in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a third structure of an ultrasonic nebulizer in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an intermediate frequency coil in the metal rod melting apparatus according to the embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a cooling apparatus in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention;
FIG. 8 is a scanning electron micrograph of zinc powder prepared by a prior art method.
FIG. 9 is a first scanning electron micrograph of a zinc powder prepared in example 2 of the present invention;
FIG. 10 is a second SEM image of a zinc powder prepared in example 2 of the present invention;
FIG. 11 is a third SEM image of a zinc powder prepared in example 2 of the present invention;
FIG. 12 is a fourth SEM image of a zinc powder prepared in example 2 of the present invention;
FIG. 13 is a fifth scanning electron micrograph of a zinc powder prepared according to example 2 of the present invention;
FIG. 14 is a particle size distribution diagram of a zinc powder prepared in example 2 of the invention;
FIG. 15 is a first scanning electron micrograph of a zinc powder prepared in example 3 of the present invention;
FIG. 16 is a second SEM image of a zinc powder prepared in example 3 of the present invention;
FIG. 17 is a third scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention;
FIG. 18 is a fourth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention;
FIG. 19 is a fifth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention;
FIG. 20 is a sixth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention;
FIG. 21 is a seventh scanning electron micrograph of a zinc powder prepared in example 3 of the present invention;
FIG. 22 is an eighth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention;
FIG. 23 is a particle size distribution diagram of a zinc powder prepared in example 3 of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In order to solve the problems of the prior art, the embodiment of the invention provides a device for preparing metal powder by ultrasonic.
The embodiment of the invention is suitable for preparing metal powder of tin alloy, indium, aluminum alloy, iron-based alloy, nickel-based alloy, cobalt-based alloy, titanium alloy, shape memory alloy and metal-based composite material.
Fig. 1 is a schematic structural diagram of an apparatus for ultrasonically preparing zinc powder according to an embodiment of the present invention, as shown in fig. 1, the apparatus includes: the blanking device 100, the ultrasonic atomization device 200 and the powder collection device 300 are arranged in sequence from top to bottom, wherein,
1. unloading equipment 100 includes: a zinc rod clamping device 101 and a zinc rod melting device 103 which are arranged from top to bottom in sequence. Fig. 2 is a schematic structural diagram of a zinc rod clamping device 101 in an apparatus for ultrasonically preparing zinc powder according to an embodiment of the present invention, and as shown in fig. 2, the zinc rod clamping device 101 clamps a top end of a zinc rod 102, the zinc rod clamping device 101 is fixed on a lifting device, and the lifting device bears the zinc rod clamping device 101 to move up and down. The zinc bar holding apparatus 101 includes: a rotating device 105 located at the upper part, a lifting rod 106 located at the middle part, and a material fixing device 107; the rotating device can be an existing mechanical structure fixed on the lifting equipment and is driven by electricity. The lifting equipment drives the rotating device to move up and down, the rotating device can drive the lifting rod to rotate, the movement of the lifting rod is a composite movement formed by the up-and-down movement and the rotating movement, and then the zinc rod can be rotated to ascend or descend.
The zinc rod melting device 103 can be one of an electromagnetic induction heating device or a resistance heating device. When the electromagnetic induction heating apparatus is used, the zinc rod is moved downward by the zinc rod holding apparatus 101, and the lower end is inserted into the electromagnetic induction coil. The electromagnetic induction heating equipment rectifies the three-phase power frequency alternating current to form direct current, then converts the direct current into adjustable current, supplies alternating current flowing through a capacitor and an induction coil, generates high-density magnetic lines in the induction coil, cuts metal materials contained in the induction coil, generates large eddy current in the metal materials, and can generate heat on the surface of the zinc rod due to the resistance in the zinc rod, so that the zinc rod is melted; the zinc bar melting equipment 103 melts the zinc bar into liquid to form zinc drops, and the zinc drops fall on the atomization vibrator 203; the bar can be heated to red and melted only by adjusting the frequency and the current intensity, so that the bar is convenient to adjust and is beneficial to operation. The center line of the zinc rod is superposed with the center line of the coil, so that the surface temperature of the zinc rod is the same, and the control of the production process is facilitated; in addition, the zinc bar does not generate harmful gas, strong light pollution and the like in the heating and melting process.
Further, in order to form metal droplets better, fig. 6 is a schematic structural diagram of an intermediate frequency coil in the metal rod melting apparatus according to the embodiment of the present invention, as shown in fig. 6, a zinc rod may be heated by using an intermediate frequency coil having an overall shape of an inverted cone structure, a copper pipe 401 is wound into a spiral intermediate frequency coil, and diameters of three layers of coils uniformly distributed from top to bottom are sequentially reduced, the copper pipe 401 is a copper pipe having an outer diameter of 15mm and an inner diameter of 13mm, an outer diameter of a top coil of the intermediate frequency coil is 120mm, an outer diameter of a bottom coil of the intermediate frequency coil is 60mm, and a height of the intermediate frequency coil is 50 mm.
In practical application, an intermediate frequency coil wound into four layers of coils can be used, the diameters of the four layers of coils which are uniformly distributed from top to bottom are sequentially reduced, the copper pipe 401 is a copper pipe with the outer diameter of 15mm and the inner diameter of 13mm, the outer diameter of the top coil of the intermediate frequency coil is 150mm, the outer diameter of the bottom coil of the intermediate frequency coil is 80mm, and the height of the intermediate frequency coil is 60 mm.
In practical application, a larger electromagnetic induction coil can be used, and the power of the electromagnetic induction coil can be 10-500W to adapt to a larger diameter zinc rod.
When the zinc rod falls, the zinc rod is inserted into the intermediate frequency coil from top to bottom, the coil at the top is far away from the zinc rod, and the generated induced current is small, so that the zinc rod can be heated at a low temperature, the position heated by the coil at the top enters the heating range of the coil at the middle layer along with the falling of the zinc rod, the heating at a higher temperature is realized, and then the zinc rod is heated and melted by the coil at the bottom to form zinc drops.
In the embodiment of the invention, the lifting device is used for centering the zinc rod and the intermediate frequency coil.
2. As shown in fig. 1, the ultrasonic atomizing apparatus 200 includes: the device comprises a transducer 201 and an atomization vibrator 203, wherein the transducer 201 drives the atomization vibrator 203 to vibrate; the atomization vibrator 203 can be a disk-shaped atomization vibrator 203, the disk-shaped atomization vibrator 203 is horizontally arranged and is positioned at the uppermost part of the ultrasonic atomization device 200, and the disk-shaped atomization vibrator 203 is connected with the transducer 201 through an amplitude transformer 202 which is connected in series up and down; transducer 201 is located below horn 202; the transducer 201 drives the amplitude transformer 202, and the amplitude transformer 202 drives the disc-shaped atomization vibrator 203 to vibrate at high frequency, so that zinc drops dropping on the top surface of the disc-shaped vibrator are atomized into small particles.
The ultrasonic atomization device 200 has the advantages of high power, stable performance, high reliability and simple installation; the core of the ultrasonic atomizing apparatus 200 is an ultrasonic vibration unit and a mating ultrasonic vibration source. The ultrasonic vibration component mainly comprises a high-power ultrasonic transducer, a variable amplitude rod 202 and an atomization vibrator 203, wherein,
the transducer is used to generate ultrasonic vibrations. The vibration energy is transmitted into the metal melt, the transducer converts the input electric energy into mechanical energy, namely ultrasonic wave, the expression form of the ultrasonic wave is that the transducer makes back and forth telescopic motion in the longitudinal direction, the amplitude is generally a few micrometers, the amplitude power density is not enough, and the ultrasonic wave cannot be directly used, so the vibration energy is transmitted into the metal melt through the series amplitude rods in the embodiment of the invention. It is emphasized that the series connection described in the embodiments of the present invention may use an existing series connection method.
Thus, the horn 202 serves to amplify the amplitude of the vibration, isolate the metal melt and thermal energy transfer, and also serves to anchor the entire ultrasonic vibration system. One end of the atomization vibrator 203 is connected with the amplitude transformer 202, the amplitude transformer 202 transmits ultrasonic energy to the atomization vibrator 203, the metal solution flows on a set area of the atomization vibrator 203, the metal liquid is broken up under the excitation of the ultrasonic vibration, then splashed out, and is collected after cooling and precipitation, so that the purpose of metal powder preparation is achieved.
Table 1 is a structural schematic diagram of an ultrasonic atomizing apparatus corresponding to a disk-shaped atomizing vibrator, and as shown in table 1, the distribution sequence of each component from top to bottom when the apparatus is operated from left to right corresponds to:
TABLE 1
Table 2 is a structural schematic table of the ultrasonic atomizing apparatus corresponding to the spherical atomizing vibrator, and as shown in table 2, the distribution sequence of the components from top to bottom when the apparatus operates from left to right:
TABLE 2
Table 3 shows specifications of the ultrasonic atomizing apparatus 200, as shown in table 3,
TABLE 3
| Model number | SHAPEMEMORY001 |
| Frequency of operation | 10kHz-150KHz |
| Maximum power | 50W-8000W |
| Maximum throughput kg/h | ≥10 |
| Structural form | Longitudinal conical/longitudinal oblique wedge type/rotary disc transverse vibration type |
| Form of atomizing vibrator | Conical rod/oblique rod/disc type for wedge |
| Average particle diameter | 15-100μm |
Corresponding to table 3, fig. 3 is a first structural schematic diagram of an ultrasonic nebulizer in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention; FIG. 4 is a schematic diagram of a second structure of an ultrasonic nebulizer in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention; FIG. 5 is a schematic diagram of a third structure of an ultrasonic nebulizer in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention; as shown in fig. 3, fig. 3 shows a horizontally arranged disk-shaped vibrator, and an arrow indicates a dropping direction of zinc drops; as shown in fig. 4, a conical vibrator is shown in fig. 4, and an arrow indicates a dropping direction of zinc drops; as shown in fig. 5, the wedge type vibrator shown in fig. 5 has a zinc droplet dropping direction perpendicular to the central axis of the horn 202 so that the zinc droplet drops on the inclined surface.
In practical applications, the spherical atomizer 203 can also be used as the atomizer 203. The spherical atomizer 203 is arranged on top of an amplitude transformer 202 and operates on the same principle as the disc-shaped atomizer 203.
3. The zinc droplets of small particles are dispersed in the cabin body, and are cooled to fall to form zinc powder, and the zinc powder falls behind in the cooling liquid contained in the powder collecting device 300 and is then cooled to be solid and deposited to form a zinc powder deposition layer.
Further, the center line of the zinc rod is inserted into the center position of the zinc rod melting device 103.
Further, the powder collecting device 300 is a cavity structure, and contains a cooling liquid therein, wherein the cooling liquid includes; water; the lower end of the atomizer oscillator 203 extends into the powder collection device 300 and is located above the liquid level of the coolant.
Furthermore, the device is also provided with an LCD display screen and a key control button.
It is emphasized that, in order to avoid the oxidation of the material, the blanking device 100, the ultrasonic atomization device 200 and the powder collection device 300 which are arranged in sequence from top to bottom are all arranged in a sealed cabin body, for example, the blanking device is positioned in an upper cabin body, and the bottom of the upper cabin body is opened for zinc droplets to pass through; the housing of the powder collection apparatus 300 forms a lower chamber that is open at the top and is welded and sealed to the bottom opening of the upper chamber. The ultrasonic atomization device 200 is held within a cavity inside the powder collection device 300 by a holder. The zinc droplets pass through the opening at the bottom of the upper cabin body and pass through the opening at the top of the powder collecting device 300, and then fall onto the atomizing vibrator in the ultrasonic atomizing device 200, so that atomization is realized. During production, the chamber is evacuated and then filled with an inert gas, such as nitrogen.
In a specific implementation of an embodiment of the invention, the device is further provided with a water cooling device:
the circulating water cooling device part supplies power to a compressor, a fan, a water pump and the like through a contactor. The automatic control part comprises a temperature controller, a pressure protector, a device, a relay, an overload protector and the like which are mutually combined to achieve the purpose of automatically starting and stopping according to the water temperature, a circulating water cooling device (inner ribbing of an outer fin) is protected to be expanded and connected on the tube plate, and a safety valve is arranged to ensure the safety of the equipment.
The refrigerating capacity is based on the temperature condition
The return water temperature of the chilled water is 12 ℃; the water outlet temperature of the chilled water is 7 ℃; the condensation temperature is 35 DEG C
Selecting a power supply: 380V 50HZ/415V 60HZ 3-phase main power supply (three-phase)
The working range is as follows: the ambient temperature is 35 ℃ to 45 ℃; the outlet temperature of the chilled water is 3-20 ℃; the temperature difference of the outlet of the chilled water is 2.5-7 ℃.
Fig. 7 is a schematic structural diagram of a cooling device in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention, and as shown in fig. 7, in the closed liquid circulation apparatus according to an embodiment of the present invention, power is generated by a water pump 601, water is pumped out from a lower water tank 602, and then the water is conveyed to a flow transmitter 603 through a pipeline, and then cooling water enters the apparatus through a first manual valve 605 after being regulated by a solenoid valve 604, and then circularly absorbs heat from the apparatus and then flows into an upper water tank 607 through a second manual valve 606; the upper water tank 607 is located above the lower water tank 602, the two water tanks are communicated through at least one communication pipeline 608, hot water flowing out of the equipment flows into the communication pipeline 608 from the upper water tank 607 to dissipate heat, so that cooling is realized, then the hot water flows into the lower water tank 602, is further cooled in the lower water tank, and the circulation is carried out. The heat conductivity of the existing water cooling device is 20 times of that of the traditional air cooling mode, and the water cooling device used in the embodiment of the invention can enable the cooling effect to reach 25-35 times of that of the traditional air cooling mode by matching two water tanks. The heat dissipation problem of equipment can be solved better.
In addition, the pipeline is also provided with a pressure gauge 610, a branch electromagnetic valve 611, an electric control valve 612 and a liquid level transmitter 613.
The embodiment of the invention has the advantages of simple structure, easy assembly, economy and applicability.
Example 2
The embodiment of the invention also provides a method for preparing zinc powder by ultrasonic waves, which comprises the following steps:
s101: the lifting device is controlled to ascend, and the top end of the zinc bar with the diameter of 20mm and the purity of more than 99 percent is clamped on the material fixing device in the zinc bar clamping device 101. And then the lifting equipment is controlled to descend to drive the rotating device to descend, and the rotating device is controlled to rotate, so that the zinc bar is rotated and descended. The zinc rod holding apparatus 101 was controlled to insert one end of the zinc rod into the zinc rod melting apparatus 103 at a rotation speed of 10rpm, a lowering speed of 15 mm/min.
S102: firstly, the transducer 201 is started, the transducer 201 drives the amplitude transformer 202 to drive the atomization vibrator 203 to vibrate, the temperature of the atomization vibrator 203 rises under the action of the transducer 201, and the temperature of the atomization vibrator 203 rises above the melting point of zinc. Controlling a zinc bar melting device 103 to melt the zinc bar, wherein an induction heating device is used in the step; the coil is two-layer, outer three circles, 2 circles in the inlayer, and the total number of turns is 5 circles, and copper pipe 401 is external diameter 15mm, and internal diameter 13 mm's copper tubing, and intermediate frequency coil's top coil external diameter is 120mm, and bottom coil external diameter is 60mm, and the intermediate frequency coil height is 50 mm. The power of the intermediate frequency coil is 45W, the frequency is 25kHz, and the distance from the bottom of the intermediate frequency coil to the top of the ultrasonic vibrator is 25 mm. The ultrasonic transmitting power is 150W, and the ultrasonic frequency is 35 kHz; amplitude of 40 microns; the distance from the bottom of the intermediate frequency coil to the top of the ultrasonic atomization vibrator is 25 mm; the copper coil is internally provided with circulating cooling water; the water temperature is 18 degrees. The molten zinc formed by melting the zinc rod is dropped on the disk-shaped atomization vibrator 203.
S103: the transducer 201 in the ultrasonic atomization device 200 drives the atomization vibrator 203, and the atomization vibrator 203 breaks up zinc drops into particles; the particles fall under gravity into the powder collection apparatus 300.
The disc-shaped atomization vibrator 203 is horizontally arranged and is positioned at the uppermost part of the ultrasonic atomization device 200, and the disc-shaped atomization vibrator 203 is connected with the transducer 201 through an amplitude transformer 202 which is connected in series up and down; transducer 201 is located below horn 202; the transducer 201 drives the amplitude transformer 202, and the amplitude transformer 202 drives the disc-shaped atomization vibrator 203 to vibrate at high frequency, so that zinc drops dropping on the top surface of the disc-shaped vibrator are atomized into small particles.
Fig. 8 is a schematic structural diagram of a cooling device in an apparatus for ultrasonically preparing metal powder according to an embodiment of the present invention, and as shown in fig. 8, the zinc powder prepared in the prior art has adhesion and nodules, which indicates that the quality of the zinc powder prepared in the prior art is not good.
FIG. 9 is a first scanning electron micrograph of a zinc powder prepared in example 2 of the present invention; FIG. 10 is a second SEM image of a zinc powder prepared in example 2 of the present invention; FIG. 11 is a third SEM image of a zinc powder prepared in example 2 of the present invention; FIG. 12 is a fourth SEM image of a zinc powder prepared in example 2 of the present invention; FIG. 13 is a fifth scanning electron micrograph of a zinc powder prepared according to example 2 of the present invention, and as shown in FIGS. 9 to 13, the zinc powder prepared according to example 2 of the present invention has a good sphericity and a uniform particle size distribution.
The national center for analysis and test of nonferrous metals and electronic materials tests the powder prepared in example 2 according to the GB/T19077-2016 standard, FIG. 14 is a distribution graph of the particle size of the zinc powder prepared in example 2 of the invention, and as shown in FIG. 4, the D (10) value of the zinc powder prepared in example 2 of the invention is 31.708 microns; a D (50) value of 43.584 microns; the D (100) value was 59.547 μm.
The zinc powders prepared in example 2 of the invention were tested according to the monitoring requirements specified in GB/T6890-2000, table 4 is a table of the test results of the zinc powders prepared in example 2 of the invention, as shown in table 4,
TABLE 4
Example 3
The embodiment of the invention also provides a method for preparing zinc powder by ultrasonic waves, which comprises the following steps:
s101: the lifting device is controlled to ascend, and the top end of the zinc bar with the diameter of 60mm and the purity of more than 99 percent is clamped on the material fixing device in the zinc bar clamping device 101. And then the lifting equipment is controlled to descend to drive the rotating device to descend, and the rotating device is controlled to rotate, so that the zinc bar is rotated and descended. The zinc rod holding apparatus 101 was controlled to insert one end of the zinc rod into the zinc rod melting apparatus 103 at a rotation speed of 60rpm, a lowering speed of 120 mm/min.
S102: firstly, the transducer 201 is started, the transducer 201 drives the amplitude transformer 202 to drive the atomization vibrator 203 to vibrate, the temperature of the atomization vibrator 203 rises under the action of the transducer 201, and the temperature of the atomization vibrator 203 rises above the melting point of zinc. Controlling a zinc bar melting device 103 to melt the zinc bar, wherein an induction heating device is used in the step, coils are divided into two layers, each layer has 4 turns, the total number of turns is 8, a copper pipe 401 is a red copper pipe with the outer diameter of 10mm and the inner diameter of 8mm, the outer diameter of a top coil of a medium-frequency coil is 150mm, the outer diameter of a bottom coil of the medium-frequency coil is 100mm, and the height of the medium-frequency coil is 60 mm; the power of the intermediate frequency coil is 85W, the frequency is 80kHz, and the distance from the bottom of the intermediate frequency coil to the top of the ultrasonic vibrator is 45 mm. The ultrasonic wave transmitting power is 600W, the ultrasonic wave frequency is 45kHz, and the amplitude is 100 micrometers; the distance from the bottom of the intermediate frequency coil to the top of the ultrasonic atomization vibrator is 50 mm; the copper coil is of a hollow structure, and circulating cooling water is contained in the copper coil; the water temperature is 5 ℃. The working frequency of the electromagnetic coil is 100 kHz; the molten zinc formed by melting the zinc rod is dropped on the disk-shaped atomization vibrator 203.
S103: the transducer 201 in the ultrasonic atomization device 200 drives the atomization vibrator 203, and the atomization vibrator 203 breaks up zinc drops into particles; the particles fall under gravity into the powder collection apparatus 300.
The disc-shaped atomization vibrator 203 is horizontally arranged and is positioned at the uppermost part of the ultrasonic atomization device 200, and the disc-shaped atomization vibrator 203 is connected with the transducer 201 through an amplitude transformer 202 which is connected in series up and down; transducer 201 is located below horn 202; the transducer 201 drives the amplitude transformer 202, and the amplitude transformer 202 drives the disc-shaped atomization vibrator 203 to vibrate at high frequency, so that zinc drops dropping on the top surface of the disc-shaped vibrator are atomized into small particles.
In the process of preparing the zinc powder, the lifting device moves downwards, and the zinc rod is continuously inserted into the zinc rod melting device 103; and when the zinc bar is consumed, controlling the lifting device to move upwards, and then replacing the zinc bar.
The quality of the powder is affected by a plurality of factors such as temperature, pressure and the like, so that the process flow for improving the performance of the powder product can obtain the current and frequency data matched with various materials after a large number of repeated tests, for example, the frequency changes along with the current, and the diameter/inner diameter and height of the coil need to be adjusted according to the size of the processed raw material and the ultrasonic atomization device. The matched data can ensure that the effect of the melted bar is matched with the atomizing device to achieve the best state of powder making.
In addition, the production process of zinc powder in the prior art has three types: distillation, meltblowing, and electrolysis. However, the three production processes have the defects of large investment, large pollution, high energy consumption, large loss and small yield; in addition, the prior art also has the problems that the zinc powder production is easy to explode, oversize products of large particles generated by screening need to be reprocessed, the effective zinc powder of the zinc powder is low, the particle size of the zinc powder is concentrated in a range of 60 meshes to 100 meshes, and the service life of a high-pressure nozzle is short.
FIG. 15 is a first scanning electron micrograph of a zinc powder prepared in example 3 of the present invention; FIG. 16 is a second SEM image of a zinc powder prepared in example 3 of the present invention; FIG. 17 is a third scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention; FIG. 18 is a fourth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention; FIG. 19 is a fifth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention; FIG. 20 is a sixth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention; FIG. 21 is a seventh scanning electron micrograph of a zinc powder prepared in example 3 of the present invention; FIG. 22 is an eighth scanning electron micrograph of a zinc powder prepared according to example 3 of the present invention, and as shown in FIGS. 15 to 22, the zinc powder prepared according to example of the present invention has a good sphericity and a uniform particle size distribution.
The national center for analysis and test of nonferrous metals and electronic materials tests the powder prepared in example 3 according to the GB/T19077-2016 standard, FIG. 23 is a distribution graph of the particle size of the zinc powder prepared in example 3 of the invention, and as shown in FIG. 23, the D (10) value of the zinc powder prepared in example 3 of the invention is 54.666 microns; a D (50) value of 80.199 microns; the D (100) value was 119.255 μm.
Compared with the prior art, the embodiment of the invention has high yield; compared with gas atomization, the ultrasonic atomization does not need gas as atomization power, so that the consumption of inert gas is greatly reduced, the cost is reduced, and the ultrasonic atomization device is environment-friendly and free of dust emission. Fig. 6 is a scanning electron microscope image of zinc powder prepared by the method for ultrasonically preparing zinc powder provided in the embodiment of the invention, as shown in fig. 6, the particle size range of the prepared zinc powder is within 20-500 meshes, and the range is larger; high purity, extremely low harmful impurities, high activity and good corrosion resistance, and solves the defect that the zinc powder prepared by a distillation method and an atomization method cannot overcome. . The coating can be widely applied to high-strength anti-corrosion coating materials, is suitable for being exposed in high-corrosion environments of C5-I or C5-M (ISO 12944-2), and is used as long-acting protective spraying in the fields of petrochemical storage tanks and equipment, power stations, bridges, marine facilities, steel structures, harbor machinery, outdoor equipment and the like, matched with other coatings, and has durable corrosion resistance.
In addition, in the embodiment of the present invention, the droplets of the metallic zinc may be changed to be continuous for continuous production; the equipment structure of the embodiment of the invention is simpler, and the equipment investment is reduced; high automation degree, safety, high efficiency and accuracy.
Further, the heating mode of the zinc rod melting device 103 includes, but is not limited to, the following:
the zinc bar with the center positioned at the center can be directly heated by an electromagnetic induction coil;
or after the electromagnetic induction coil heats the annular heating body, the annular heating body heats the zinc rod positioned in the center;
the resistance type heating body can also heat the zinc rod positioned in the center;
the zinc rod or the zinc block can be arranged in a crucible made of graphite, magnesium oxide, aluminum oxide and the like, the crucible is positioned in an alternating electromagnetic field, the alternating electromagnetic field generates eddy current on the surface of the zinc rod or the zinc block in the crucible so as to realize heating, and heated liquid can drip from a small hole at the bottom of the crucible or flow out from a flow channel at the edge of the crucible so as to realize dripping on the ultrasonic vibrator.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An apparatus for ultrasonically producing a metal powder, the apparatus comprising: a blanking device, an ultrasonic atomization device and a powder collection device which are arranged from top to bottom in sequence, wherein,
the blanking equipment drops the molten metal on an atomization vibrator of the ultrasonic atomization equipment;
the ultrasonic atomizing apparatus includes: the energy converter drives the atomization vibrator to vibrate;
the powder collecting device is used for collecting particles formed by scattering metal drops by the atomizing vibrators, and the particles are cooled into solid in the powder collecting device.
2. The apparatus of claim 1, wherein the blanking device comprises: a metal bar clamping device and a metal bar melting device which are arranged from top to bottom in sequence, wherein,
the metal rod clamping device clamps the top end of the metal rod, and the bottom end of the metal rod is inserted into the metal rod melting device.
3. The apparatus for ultrasonically producing a metal powder as claimed in claim 2, wherein the metal rod melting device comprises: one or a combination of an electromagnetic induction heating device and a resistance heating device.
4. An apparatus for ultrasonic production of metal powder according to claim 3, wherein the metal rod holding means is fixed to a lifting means which carries the metal rod holding means in up and down movement.
5. An apparatus for ultrasonically producing a metallic powder according to claim 4 wherein the centre line of the metal rod is coincident with the centre line of the metal rod melting device.
6. The apparatus of claim 1, wherein the powder collecting device is a chamber structure containing a cooling fluid therein, wherein the cooling fluid comprises; water;
the ultrasonic atomization equipment is positioned in the cavity inside the powder collection equipment and is positioned above the liquid level of the cooling liquid.
7. The apparatus of claim 1, wherein the nebulizer comprises:
one or a combination of disk-shaped atomizing vibrators and spherical atomizing vibrators.
8. Method for the ultrasonic production of metal powders based on the device according to any one of claims 1 to 7, characterized in that it comprises:
clamping one end of a metal rod with the diameter of 1-150mm and the purity of more than 99% on blanking equipment;
controlling blanking equipment to drop metal liquid formed after the metal rod is melted onto ultrasonic atomization equipment;
an energy converter in the ultrasonic atomization equipment drives an atomization vibrator, and the atomization vibrator breaks up metal drops into particles;
the particles fall under gravity into a powder collection device.
9. The method for preparing metal powder by ultrasonic waves according to claim 8, wherein the controlling of the blanking device to drop the metal droplets formed after the metal rod is melted onto the ultrasonic atomization device comprises:
controlling the metal bar clamping equipment to insert one end of the metal bar into the metal bar melting equipment at a rotating speed of 10-60rpm and a descending speed of 10-150 mm/min;
the metal rod melting equipment melts the metal rod into liquid to form metal drops, the metal drops drop on the atomization vibrator, and the ultrasonic power used by the atomization vibrator is 50-8000W; the ultrasonic frequency is 10kHz-150 kHz; the amplitude of the ultrasonic vibrator is 5-100 microns.
10. The method of claim 8, wherein the metal rod melting apparatus is an induction heating apparatus, wherein,
the electromagnetic coil of the induction heating equipment is a D-shaped copper coil, the outer diameter of the coil is 120-150mm, the height of the coil is 50-60mm, and the distance from the bottom of the coil to the top of the ultrasonic atomization vibrator is 25-50 mm; the number of turns is 5-8 turns; the working frequency of the electromagnetic coil is 10 kHz-100 kHz;
the copper coil is of a hollow structure, and circulating cooling water is contained in the copper coil; the water temperature is 3-20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347548.9A CN111331145A (en) | 2020-04-28 | 2020-04-28 | Device and method for preparing metal powder by ultrasonic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347548.9A CN111331145A (en) | 2020-04-28 | 2020-04-28 | Device and method for preparing metal powder by ultrasonic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111331145A true CN111331145A (en) | 2020-06-26 |
Family
ID=71177283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010347548.9A Pending CN111331145A (en) | 2020-04-28 | 2020-04-28 | Device and method for preparing metal powder by ultrasonic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111331145A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453414A (en) * | 2020-11-26 | 2021-03-09 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
| CN113477930A (en) * | 2021-07-28 | 2021-10-08 | 合肥科晶材料技术有限公司 | Granulating method and equipment for high-temperature atomized metal alloy |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275787A (en) * | 1963-12-30 | 1966-09-27 | Gen Electric | Process and apparatus for producing particles by electron melting and ultrasonic agitation |
| GB1150506A (en) * | 1966-02-03 | 1969-04-30 | Varta Ag | Powder produced by Vibrated Action upon a Metal Melt with Atomization of the Metal, and a method for its production |
| JPS58110604A (en) * | 1981-12-18 | 1983-07-01 | ライボルト−ヘレ−ウス・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method and device for manufacturing spherical metal powder |
| KR20010011544A (en) * | 1999-07-28 | 2001-02-15 | 정은 | Method and apparatus for manufacturing fine grained powder such as cream powder using an ultra sonic wave |
| CN2510207Y (en) * | 2001-12-04 | 2002-09-11 | 北京有色金属研究总院 | Spherical metallic powder supersonic-atomising preparation apparatus |
| CN1422718A (en) * | 2001-12-04 | 2003-06-11 | 北京有色金属研究总院 | Method and apparatus for making globular metallic powder by ultrasonic atomising |
| CN201208649Y (en) * | 2008-03-31 | 2009-03-18 | 东莞优诺电子焊接材料有限公司 | Apparatus for preparing spherical tin-base alloy powder by supersonic vibration atomization method |
| CN104690278A (en) * | 2013-12-09 | 2015-06-10 | 青岛平度市旧店金矿 | Novel metal powder processing method through ultrasonic atomization process |
| CN204770679U (en) * | 2015-07-13 | 2015-11-18 | 深圳市福英达工业技术有限公司 | Make spherical fine metal powder's rotatory ultrasonic atomization device |
| US20160175936A1 (en) * | 2014-03-11 | 2016-06-23 | Tekna Plasma Systems Inc. | Process and Apparatus for Producing Powder Particles by Atomization of a Feed Material in the Form of an Elongated Member |
| CN206952170U (en) * | 2017-07-12 | 2018-02-02 | 深圳微纳增材技术有限公司 | Spray chamber and the device for preparing metal dust |
| CN107876787A (en) * | 2017-11-30 | 2018-04-06 | 陕西师范大学 | The preparation facilities and method of large amplitude ultrasound globular metallic powder |
| CN107900364A (en) * | 2017-11-07 | 2018-04-13 | 常州大学 | Cooling method prepares the device of amorphous metal powder to a kind of ultrasonic atomizatio again |
| CN109967752A (en) * | 2017-12-27 | 2019-07-05 | 丹阳荣鼎金粉科技有限公司 | Metal surface melt ultrasonic disruption device |
| CN110303162A (en) * | 2019-08-14 | 2019-10-08 | 北京七弟科技有限公司 | A kind of ultrasonic wave prepares metal ball shaped powder device |
| CN209792610U (en) * | 2018-10-30 | 2019-12-17 | 湖南天际智慧材料科技有限公司 | Ultrasonic vibration atomizing chamber and atomizing powder-making equipment comprising same |
| CN209849887U (en) * | 2019-04-23 | 2019-12-27 | 广东仁开科技有限公司 | Horizontal ultrasonic wave tin powder atomizing device |
| CN212239188U (en) * | 2020-04-28 | 2020-12-29 | 西普曼增材科技(北京)有限公司 | Device for preparing metal powder by ultrasonic |
-
2020
- 2020-04-28 CN CN202010347548.9A patent/CN111331145A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275787A (en) * | 1963-12-30 | 1966-09-27 | Gen Electric | Process and apparatus for producing particles by electron melting and ultrasonic agitation |
| GB1150506A (en) * | 1966-02-03 | 1969-04-30 | Varta Ag | Powder produced by Vibrated Action upon a Metal Melt with Atomization of the Metal, and a method for its production |
| JPS58110604A (en) * | 1981-12-18 | 1983-07-01 | ライボルト−ヘレ−ウス・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method and device for manufacturing spherical metal powder |
| KR20010011544A (en) * | 1999-07-28 | 2001-02-15 | 정은 | Method and apparatus for manufacturing fine grained powder such as cream powder using an ultra sonic wave |
| CN2510207Y (en) * | 2001-12-04 | 2002-09-11 | 北京有色金属研究总院 | Spherical metallic powder supersonic-atomising preparation apparatus |
| CN1422718A (en) * | 2001-12-04 | 2003-06-11 | 北京有色金属研究总院 | Method and apparatus for making globular metallic powder by ultrasonic atomising |
| CN201208649Y (en) * | 2008-03-31 | 2009-03-18 | 东莞优诺电子焊接材料有限公司 | Apparatus for preparing spherical tin-base alloy powder by supersonic vibration atomization method |
| CN104690278A (en) * | 2013-12-09 | 2015-06-10 | 青岛平度市旧店金矿 | Novel metal powder processing method through ultrasonic atomization process |
| US20160175936A1 (en) * | 2014-03-11 | 2016-06-23 | Tekna Plasma Systems Inc. | Process and Apparatus for Producing Powder Particles by Atomization of a Feed Material in the Form of an Elongated Member |
| CN204770679U (en) * | 2015-07-13 | 2015-11-18 | 深圳市福英达工业技术有限公司 | Make spherical fine metal powder's rotatory ultrasonic atomization device |
| CN206952170U (en) * | 2017-07-12 | 2018-02-02 | 深圳微纳增材技术有限公司 | Spray chamber and the device for preparing metal dust |
| CN107900364A (en) * | 2017-11-07 | 2018-04-13 | 常州大学 | Cooling method prepares the device of amorphous metal powder to a kind of ultrasonic atomizatio again |
| CN107876787A (en) * | 2017-11-30 | 2018-04-06 | 陕西师范大学 | The preparation facilities and method of large amplitude ultrasound globular metallic powder |
| CN109967752A (en) * | 2017-12-27 | 2019-07-05 | 丹阳荣鼎金粉科技有限公司 | Metal surface melt ultrasonic disruption device |
| CN209792610U (en) * | 2018-10-30 | 2019-12-17 | 湖南天际智慧材料科技有限公司 | Ultrasonic vibration atomizing chamber and atomizing powder-making equipment comprising same |
| CN209849887U (en) * | 2019-04-23 | 2019-12-27 | 广东仁开科技有限公司 | Horizontal ultrasonic wave tin powder atomizing device |
| CN110303162A (en) * | 2019-08-14 | 2019-10-08 | 北京七弟科技有限公司 | A kind of ultrasonic wave prepares metal ball shaped powder device |
| CN212239188U (en) * | 2020-04-28 | 2020-12-29 | 西普曼增材科技(北京)有限公司 | Device for preparing metal powder by ultrasonic |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453414A (en) * | 2020-11-26 | 2021-03-09 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
| CN113477930A (en) * | 2021-07-28 | 2021-10-08 | 合肥科晶材料技术有限公司 | Granulating method and equipment for high-temperature atomized metal alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109317687B (en) | Ultrasonic vibration atomizing chamber and atomizing powder making equipment composed of same | |
| CN201208649Y (en) | Apparatus for preparing spherical tin-base alloy powder by supersonic vibration atomization method | |
| CN109128206B (en) | Device and method for efficiently preparing superfine spherical metal powder by droplet-by-droplet centrifugal atomization method | |
| CN107096925B (en) | Novel plasma atomization preparation spherical powder system | |
| CN111331145A (en) | Device and method for preparing metal powder by ultrasonic | |
| CN107900367B (en) | Novel atomizer of titanium and titanium alloy powder for 3D printing | |
| CN110303162A (en) | A kind of ultrasonic wave prepares metal ball shaped powder device | |
| TW201642974A (en) | Plasma apparatus for the production of high quality spherical powders at high capacity | |
| CN107824793B (en) | Device and method for preparing superfine monodisperse metal microspheres | |
| CN202804188U (en) | Device utilizing centrifugal atomization method to prepare spherical tin alloy powder | |
| CN101994112A (en) | Laser cladding process for abrasion-resistant anticorrosion coating of water turbine unit runner | |
| CN104588673A (en) | Device and method for efficiently preparing metal spherical ultrafine powder | |
| CN107498060B (en) | Preparation device and preparation method of metal powders with low apparent density ratio | |
| CN101994113A (en) | Laser cladding process of wear-resistant and corrosion-resistant coating of top cover of hydraulic turbine set | |
| CN108971507A (en) | The method and apparatus of the spherical titanium alloy fine powder of system based on special centrifugal atomizing disk | |
| CN212239188U (en) | Device for preparing metal powder by ultrasonic | |
| CN110280774A (en) | A kind of apparatus for preparing metal powder | |
| CN110039061A (en) | The preparation method of silk material low-voltage plasma atomising device and 3D printing high strength alumin ium alloy powder | |
| US20200223129A1 (en) | Additive manufacturing system and method | |
| CN208696304U (en) | A kind of device of low-voltage direct plasma gun preparation 3D printing titanium valve | |
| CN111604620A (en) | Binderless coated electrode and method and apparatus for making same | |
| CN107745130B (en) | A kind of high temperature niobium tungsten alloy raw powder's production technology | |
| CN209792610U (en) | Ultrasonic vibration atomizing chamber and atomizing powder-making equipment comprising same | |
| CN102248173A (en) | Method and equipment for preparing spherical low-oxygen aluminum-based solder powder | |
| CN110760841B (en) | Preparation method of amorphous nanocrystalline coating on aluminum alloy surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |