CN106077686A - A kind of metallic particles preparation facilities and preparation method - Google Patents
A kind of metallic particles preparation facilities and preparation method Download PDFInfo
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- CN106077686A CN106077686A CN201610659451.5A CN201610659451A CN106077686A CN 106077686 A CN106077686 A CN 106077686A CN 201610659451 A CN201610659451 A CN 201610659451A CN 106077686 A CN106077686 A CN 106077686A
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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
- B22F9/10—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 using centrifugal force
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Abstract
The present invention relates to a kind of metallic particles preparation facilities and preparation method, this device includes rotating granulation system, cooling system, metallic particles collection structure and cooling water collection structure；Rotating in granulation system, motlten metal injects rotating disk, by driving the driving of motor to drive rotating disk to rotate, makes motlten metal be granulated；Cooling system splash out by granulation metallic particles cooling；The metallic particles collection structure metallic particles metal collection to falling；The cooling water fallen is collected by cooling water collection structure.This device, owing to being no longer necessary to high-pressure injection medium to smash metal liquid stream, therefore greatly reduces energy consumption and production cost.Metallic particles preparation method uses aforementioned device, controls to drive the rotating speed of motor according to metalline, according to metallic particles with cooling down the heat transfer effect of water, adjusts the number of plies and the water yield of water curtain in cooling system, finally utilizes the waste heat Self-dry of metallic particles.The method is simple, and energy consumption is low, has saved cost.
Description
Technical field
The present invention relates to metallic particles preparing technical field, be specifically related to a kind of metallic particles preparation facilities and preparation side
Method.
Background technology
Now, the purposes of metallic particles is more and more extensive, as ferrous powder granules can be used to do reducing agent, nickel and alloy thereof
Grain can be used to produce rustless steel.
At present, the preparation method of metallic particles is most widely used is reducing process, atomization and electrolysis.Wherein, electrolysis
Method is only used for producing high-purity and requiring the metallic particles of property.Ore reduction legal system depletion metal particles, applies the widest
General, but production procedure is relative complex.Producing as a example by iron powder by ore reduction method, need through twice reduction process, solid carbon is also
Former producing sponge iron process and secondary reduction process, tens procedure altogether, production procedure is relative complex.With first two method
Relatively, the advantage that atomization is maximum is that production efficiency is high, yield is big and low cost.
Atomization produces the principle of powder, sends forth micro-by means of the fluid with certain kinetic energy (at a high speed) by metal stream
Grain, degree of its refinement is decided by the kinetic energy (flow velocity, flow, gas property etc.) of fluid and rate of flow of fluid and molten metal flow
Ratio size.
Atomization is mainly situated between as injection with (aerosolizations) such as pressure-air, argon, nitrogen and water under high pressure (water atomization)
Matter smashes metal liquid stream.When aerosolization method produces, due to cooling slowly, metallic particles is the time of staying in high temperature
Long, particle surface aoxidizes serious, and granule is the thinnest more notable.Additionally, be atomized as ejection medium with pressure-air, due to
Heat transfer effect is relatively poor, is susceptible to bonding at aerochamber Base Heat metallic particles, although bonding degree is loosened, but remains a need for
Pulverizing process.Being atomized as ejection medium with water under high pressure, rate of cooling is fast, and particle surface degree of oxidation is low, obtains
Metallic particles good sphericity.But, either water atomization or aerosolization obtains metallic particles, it is required under elevated pressure conditions,
Energy consumption is bigger.
Summary of the invention
The problems referred to above existed for prior art, it is an object of the present invention to provide a kind of simple in construction, and energy consumption is low
Metallic particles preparation facilities.
It is a further object to provide a kind of side using above-mentioned metallic particles preparation facilities to prepare metallic particles
Method.
For realizing above-mentioned first purpose, the present invention adopts the following technical scheme that a kind of metallic particles preparation facilities, and it is special
Levy and be: include rotating granulation system, cooling system, metallic particles collection structure and cooling water collection structure；
Rotate granulation system: include aerochamber, rotating disk, flange, connecting shaft and driving motor；
The top of described aerochamber has motlten metal inlet, and bottom has coolant outlet and metallic particles outlet,
Wherein, metallic particles outlet is near the upright side walls of aerochamber；
Described rotating disk and flange are positioned at inside aerochamber, and rotating disk is fixed on the top of flange, and rotating disk injects with motlten metal
Mouth is oppositely arranged；
Described connecting shaft is arranged on the lower section of flange, and its top is fixed with flange and is connected；
Described driving motor is connected with connecting shaft, and drive connection axle is along its central axis；
Cooling system: include cooling down water and cooling water ejection part；
Described cooling water ejection part is arranged in aerochamber, and is positioned at the periphery of rotating disk, will be from by the cooling water of ejection
The metallic particles cooling splashed out in rotating disk top；
Metallic particles collection structure: include metallic particles catcher；Described metallic particles catcher is for collecting from atomization
The metallic particles discharged bottom room；
Cooling water collection structure: include cooling down water collector；Described cooling water collector is for collecting bottom aerochamber
The cooling water discharged..
As optimization, also include the motlten metal injecting structure being arranged on outside aerochamber roof；
Described motlten metal injecting structure includes resistant to elevated temperatures container and stopper；
The bottom of described container has through hole, and described through hole is coaxially disposed with motlten metal inlet；
Described stopper is slidably matched by sealing with described.
As optimization, described coolant outlet and metallic particles outlet are loop configuration, and along aerochamber diapire circumference
Arrange.
As optimization, described rotating disk is that top diameter is more than the horn-like structure of base diameter.
As optimization, also include protective cover；Described protective cover is for covering described connecting shaft.
As optimization, described rotation granulation system also includes that converter, described converter are connected with driving motor, are used for controlling
System drives the rotating speed of motor.
As optimization, described cooling water ejection part is many annular conduits；
Described many annular conduits are fixed on the inner side of aerochamber roof, and are positioned at the outside of rotating disk；Every annular conduit
Lower section there is water outlet gap；Described water outlet gap annularly water pipe circumference one circle.
As optimization, described cooling water ejection part is multiple shower nozzle；
Described shower nozzle is fixed on the inwall of aerochamber；Wherein, near the shower nozzle of described rotating disk, the cooling water of ejection with turn
Dish top has spacing, and near the shower nozzle of the vertical inwall of aerochamber, the cooling water of ejection and the vertical inwall of aerochamber have spacing.
As optimization, also include water circle device；
Water circle device: include circulating pump and water-supply-pipe；
One end of described water-supply-pipe connects with cooling water collector, and the other end connects with cooling water ejection part, described circulation
Pump is arranged on water-supply-pipe.
For realizing above-mentioned second purpose, the present invention adopts the following technical scheme that the preparation method of a kind of metallic particles, its
It is characterised by: use above-mentioned metallic particles preparation facilities；
Concrete preparation process is as follows:
S1: start the driving motor rotated in granulation system, adjusts the rotating speed of rotating disk so that it is reach rotating speed of target；
S2: open cooling system, at many annular conduit multi-layer annular formed below water curtains；
S3: inject motlten metal in granulation system to rotating, motlten metal flows into rotating disk, starts granulation；
S4: the metallic particles that granulation is formed wears supercooled water, and after heat exchange cooling, temperature drops to below bonding temp, metal
Granule arrives aerochamber upright side walls, and collision rift falls, and collects in metallic particles catcher；Cooling falls to collecting cooling water under water
In catcher；
S5: the metallic particles of the collection in metallic particles catcher is by the residual heat drying of himself.
Relative to prior art, present invention have the advantage that
The metallic particles preparation facilities simple in construction that the present invention provides, designs ingenious；It is compared with existing high-pressure atomization,
Owing to all need not high pressure in motlten metal granulation and metallic particles cooling procedure, thus greatly reduce energy consumption；It addition, it is golden
Metal particles and cooling water are collected respectively, and cooling water can be with direct reuse, it is not necessary to other PROCESS FOR TREATMENT, the most energy-conservation have ring
Protect, also reduce the cost making metallic particles simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of metallic particles preparation facilities of the present invention.
Fig. 2 is the structural representation of annular conduit.
Fig. 3 is the longitudinal section of annular conduit in Fig. 2.
Detailed description of the invention
Below the present invention is described in further detail.
In describing the invention, it is to be understood that term " laterally ", " longitudinally ", " on ", D score, " vertically ",
" push up ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship are based on orientation shown in the drawings or position relationship, are only
Specific side must be had for the ease of describing the present invention and simplification description rather than instruction or the device of hint indication or element
Position, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Embodiment one:
Seeing Fig. 1, a kind of metallic particles preparation facilities, including rotating granulation system, cooling system, metallic particles collection knot
Structure and cooling water collection structure.
Rotate granulation system: include aerochamber 9, rotating disk 4, flange 5, connecting shaft 7, drive motor 12 and converter 13.
The top of aerochamber 9 has motlten metal inlet, and bottom has coolant outlet and metallic particles outlet, its
In, metallic particles outlet is near the upright side walls of aerochamber 9；
Inject motlten metal for convenience and control injection rate and the flow of motlten metal, it is also possible to including being arranged on mist
Change the motlten metal injecting structure outside the roof of room 9；
Motlten metal injecting structure includes resistant to elevated temperatures container 2 and stopper 1；The bottom of described container 2 has through hole, described
Through hole is coaxially disposed with motlten metal inlet；Described stopper 1 is slidably matched by sealing with described, is used for controlling described through hole
Unimpeded with block.When being embodied as, described stopper 1 is made up of Handheld Division and blockage two parts, the most hand-held, stirs
With stopper stopper, the diameter of this Handheld Division be more than blockage, it can in addition contain arrange anti-slip veins on Handheld Division, it is simple to stir plug
The period of the day from 11 p.m. to 1 a.m, stopper is slipped out of the hand.
Preferentially, coolant outlet and metallic particles outlet are both designed as loop configuration, and set along aerochamber 9 diapire circumference
Put.This structure is more beneficial for the metallic particles after quickly collecting cooling water and cooling.The metallic particles outlet of annular is near mist
Changing the upright side walls of room 9, this is primarily due to metallic particles after supercooling water cooling, can hit in aerochamber 9 upright side walls
Inner side, then fall, metallic particles outlet is positioned close to the upright side walls of aerochamber 9 can quickly be carried out metallic particles
Collect.The radial width of annular cooling water outlet exports more than metallic particles, and it is more that this is primarily due to cool down the water water yield, in order to
Quickly collect and recycling, additionally also for being easy to collect metallic particles, be avoided as much as cooling down water and be mixed into metallic particles
In catcher.
It is internal that described rotating disk 4 and flange 5 are positioned at aerochamber 9, and rotating disk 4 is fixed on the top of flange 5, rotating disk 4 and melted gold
Belong to inlet to be oppositely arranged；Preferably, rotating disk 4 is more than the horn-like structure of base diameter for top diameter.Conveniently it is positioned at rotating disk 4
Motlten metal fly out from rotating disk open top, the metallic particles obtained by rotating disk granulated metal liquid, granule is uniform, spherical
Spend, it addition, prepare metallic particles by rotating disk granulated metal liquid, can be by regulation metal liquid flow, disk diameter
And rotating speed size controls the size of granule, meet and produce needs.
Outside bottom this rotating disk 4 has a circle shirt rim, and shirt rim has multiple installing hole.Shirt rim and the setting of installing hole
Primarily to more preferably, more securely by rotating disk be fixed on flange, prevent rotating disk and flange from relatively rotating as much as possible
Or it is mobile.
In order to prevent cooling down the water corrosion to connecting shaft 7, it is also possible to increasing protective cover 8, this protective cover 8 is by whole connecting shaft
7 cover completely, thus prevent cooling down water and contact with connecting shaft 7.During enforcement, protective cover 8 has connecting shaft 7 top passes is logical
Hole, and sealing ring 14 is set between the through hole and connecting shaft 7 at protective cover 8 top, make through hole and the connecting shaft at protective cover 8 top
Seal rotatable cooperation between 7, thus when ensureing to drive motor 12 to drive connecting shaft 7 to rotate, protective cover 8 does not rotates, and protects simultaneously
Card cooling water will not enter in protective cover 8.When being embodied as, operating for convenience, protective cover 8 can be simultaneously by connecting shaft 7 He
Motor 12 is driven to cover in the lump.
Described connecting shaft 7 is arranged on the lower section of flange 5, and its top is fixed with flange 5 and is connected；Described driving motor 12 with
Connecting shaft 7 connects, and drive connection axle 7 is along its central axis.
Described converter 13 is connected with driving motor 12, for controlling to drive the rotating speed of motor 12.The setting of converter 13
Primarily to convenient regulation drives the rotating speed of motor 12, such that it is able to according to different metallicities, adjust rotating disk
Rotating speed, adds the suitability of this metallic particles preparation facilities.
Cooling system: include cooling down water and cooling water ejection part；
Cooling water ejection part is arranged in aerochamber 9, and is positioned at the periphery of rotating disk 4, will be from turning by the cooling water of ejection
The metallic particles cooling splashed out in dish 4 top；
Cooling water ejection part can use any being easy in prior art to cool down metal grain structure, it is preferred to use following two
Kind structure:
The first structure, sees Fig. 2 and Fig. 3, and cooling water ejection part is many annular conduits 3；Described many annular conduits 3
It is fixed on the inner side of aerochamber 9 roof, and is positioned at the outside of rotating disk 4；The lower section of every annular conduit 3 has water outlet gap；Institute
State the water outlet gap circumferential circle of annularly water pipe 3.
Owing to the bottom of many annular conduits 3 has water outlet gap, outside rotating disk, therefore form multilamellar water smoke, from rotating disk
4 metallic particles splashed out, sequentially pass through repeatedly water smoke and cool down, and metallic particles reaches heat transfer effect through water curtain, can
Respectively metallic particles and cooling water to be collected, eliminate the operation separated due to metallic particles with water；It addition, pass through
Multilamellar water curtain cooling heat transferring, can drop to metallic particles below bonding temp as early as possible, shorten metallic particles flying distance, subtract
The little floor space of whole device, has saved land resource, has reduced cost of investment.
Rotating disk granulation combines with annular Water-Curta in Cooling, produce metal dust technique with direct voltage water compared with, this cold
But mode institute water requirement greatly reduces, and has both reduced production cost, has saved again substantial amounts of water resource；Rotating disk granulation and annular water
Curtain cooling combines, and metallic particles flies away from rotating disk from disk edge with the highest speed, and within the extremely short time with cooling
Water curtain contacts, and decreases the time of contact of metallic particles and air, greatly reduces the degree of oxidation of surface of metal particles.
The second structure: cooling water ejection part is multiple shower nozzle；Described shower nozzle is fixed on the inwall of aerochamber 9；Wherein,
Near the shower nozzle of described rotating disk 4, the cooling water of ejection and rotating disk 4 top have spacing, near the spray of the vertical inwall of aerochamber 9
Head, the cooling water of ejection and the vertical inwall of aerochamber 9 have spacing.When being embodied as, multiple shower nozzles can be fixed on aerochamber 9 and push up
The inner side of wall, it is also possible to be fixed on the inner side of aerochamber 9 upright side walls, is preferably fixed to the inner side of aerochamber 9 upright side walls, this
Sample is more easily adjusted jet angle, prevents cooling down in water sprays into rotating disk 4 or beating in the inner side of aerochamber 9 upright side walls of ejection.
Metallic particles collection structure: include metallic particles catcher 10；Described metallic particles catcher 10 for collect from
The metallic particles discharged bottom aerochamber 9, when being embodied as, can be arranged on metallic particles catcher 10 outside aerochamber 9
Side, and it is positioned at the bottom of aerochamber 9, the opening of this metallic particles catcher 10 upper end is relative with metallic particles outlet；Metal
The grain preferably circular structure of catcher 10, the opening of its upper end is relative with the outlet of the metallic particles of annular, the metal that will fall
Grain is collected in wherein.
Cooling water collection structure: include cooling down water collector 11；Described cooling water collector 11 is for collecting from aerochamber 9
The cooling water that bottom is discharged.When being embodied as, cooling water collector 11 can be arranged on the outside of aerochamber 9, and be positioned at mist
Changing the bottom of room 9, the opening of this cooling water collector 11 upper end is relative with coolant outlet.When being embodied as, cooling water is collected
Device 11 is loop configuration, and the opening of its upper end is relative with the coolant outlet of annular, is collected in wherein by the cooling water of whereabouts.
Owing to cooling water and metallic particles are separate collections, therefore recycle cooling water is very convenient, to this end, this gold
Metal particles preparation facilities can also include water circle device；Water circle device includes circulating pump 15 and water-supply-pipe 16；Water-supply-pipe 16
One end with cooling water collector 11 connect, the other end with cooling water spray part connect, described circulating pump 15 is arranged on water-supply-pipe
On 16.Metallic particles and cooling water are collected respectively, and cooling water can be with direct reuse, it is not necessary to other PROCESS FOR TREATMENT, i.e.
Energy-conservation have environmental protection, also reduces the cost making metallic particles simultaneously.
Embodiment two:
The preparation method of a kind of metallic particles, uses the metallic particles preparation facilities described in embodiment one；
Concrete preparation process is as follows:
S1: start the driving motor 12 rotated in granulation system, adjusts the rotating speed of rotating disk 4 so that it is reach rotating speed of target；
S2: open cooling system, at many annular conduit 3 multi-layer annular formed below water curtains；
S3: inject motlten metal in granulation system to rotating, motlten metal flows into rotating disk 4, starts granulation；
S4: the metallic particles that granulation is formed wears supercooled water, and after heat exchange cooling, temperature drops to below bonding temp, metal
Granule arrives aerochamber 9 upright side walls, and collision rift falls, and collects in metallic particles catcher 10；
Cooling falls to collecting in cooling water collector 11 under water；Can adjust according to metallic particles with cooling down the heat transfer effect of water
The number of plies of water curtain and water yield size；
S5: the metallic particles of the collection in metallic particles catcher 10 is by the residual heat drying of himself.
The metallic particles being collected separately, after water curtain heat exchange, remains the waste heat of more than 200 DEG C, and this part of waste heat can
So that granule itself reaches the effect dried, it is not necessary to additionally provide heat to dry metallic particles, reduce energy consumption, saved one-tenth
This.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of technical solution of the present invention, it all should be contained at this
In the middle of the right of invention.
Claims (10)
1. a metallic particles preparation facilities, it is characterised in that: include rotating granulation system, cooling system, metallic particles collection
Structure and cooling water collection structure；
Rotate granulation system: include aerochamber (9), rotating disk (4), flange (5), connecting shaft (7) and drive motor (12)；
The top of described aerochamber (9) has motlten metal inlet, and bottom has coolant outlet and metallic particles outlet, its
In, metallic particles outlet is near the upright side walls of aerochamber (9)；
It is internal that described rotating disk (4) and flange (5) are positioned at aerochamber (9), and rotating disk (4) is fixed on the top of flange (5), rotating disk (4)
It is oppositely arranged with motlten metal inlet；
Described connecting shaft (7) is arranged on the lower section of flange (5), and its top is fixed with flange (5) and is connected；
Described driving motor (12) is connected with connecting shaft (7), and drive connection axle (7) is along its central axis；
Cooling system: include cooling down water and cooling water ejection part；
Described cooling water ejection part is arranged in aerochamber (9), and is positioned at the periphery of rotating disk (4), will by the cooling water of ejection
The metallic particles cooling splashing out from rotating disk (4) top；
Metallic particles collection structure: include metallic particles catcher (10)；Described metallic particles catcher (10) for collect from
The metallic particles that aerochamber (9) bottom is discharged；
Cooling water collection structure: include cooling down water collector (11)；Described cooling water collector (11) is for collecting from aerochamber
(9) the cooling water that bottom is discharged.
2. metallic particles preparation facilities as claimed in claim 1, it is characterised in that: also include being arranged on aerochamber (9) roof
The motlten metal injecting structure in outside；
Described motlten metal injecting structure includes resistant to elevated temperatures container (2) and stopper (1)；
The bottom of described container (2) has through hole, and described through hole is coaxially disposed with motlten metal inlet；
Described stopper (1) is slidably matched by sealing with described.
3. metallic particles preparation facilities as claimed in claim 1 or 2, it is characterised in that: described coolant outlet and metal
Grain outlet is loop configuration, and circumferentially disposed along aerochamber (9) diapire.
4. metallic particles preparation facilities as claimed in claim 3, it is characterised in that: described rotating disk (4) is that top diameter is more than
The horn-like structure of base diameter.
5. metallic particles preparation facilities as claimed in claim 4, it is characterised in that: also include protective cover (8)；Described protective cover
(8) for described connecting shaft (7) is covered.
6. metallic particles preparation facilities as claimed in claim 5, it is characterised in that: described rotation granulation system also includes frequency conversion
Device (13), described converter (13) is connected with driving motor (12), is used for the rotating speed controlling to drive motor (12).
7. metallic particles preparation facilities as claimed in claim 6, it is characterised in that: described cooling water ejection part is many annulars
Water pipe (3)；
Described many annular conduits (3) are fixed on the inner side of aerochamber (9) roof, and are positioned at the outside of rotating disk (4)；Every annular
The lower section of water pipe (3) has water outlet gap；Described water outlet gap annularly water pipe (3) circumference one circle.
8. metallic particles preparation facilities as claimed in claim 6, it is characterised in that: described cooling water ejection part is multiple spray
Head；
Described shower nozzle is fixed on the inwall of aerochamber (9)；Wherein, near the shower nozzle of described rotating disk (4), the cooling water of ejection with
Rotating disk (4) top has spacing, and near the shower nozzle of the vertical inwall of aerochamber (9), the cooling water of ejection is vertical with aerochamber (9)
Inwall has spacing.
9. metallic particles preparation facilities as claimed in claim 1, it is characterised in that: also include water circle device；
Water circle device: include circulating pump (15) and water-supply-pipe (16)；
One end of described water-supply-pipe (16) connects with cooling water collector (11), and the other end connects with cooling water ejection part, described
Circulating pump (15) is arranged on water-supply-pipe (16).
10. the preparation method of a metallic particles, it is characterised in that: use the metallic particles preparation facilities described in claim 7；
Concrete preparation process is as follows:
S1: start the driving motor (12) rotated in granulation system, adjusts the rotating speed of rotating disk (4) so that it is reach rotating speed of target；
S2: open cooling system, at many annular conduit (3) multi-layer annular formed below water curtains；
S3: inject motlten metal in granulation system to rotating, motlten metal flows into rotating disk (4), starts granulation；
S4: the metallic particles that granulation is formed wears supercooled water, and after heat exchange cooling, temperature drops to below bonding temp, metallic particles
Arriving aerochamber (9) upright side walls, collision rift falls, and collects in metallic particles catcher (10)；Cooling falls to collecting cold under water
But in water collector (11)；
S5: the metallic particles of the collection in metallic particles catcher (10) is by the residual heat drying of himself.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107312941A (en) * | 2017-07-12 | 2017-11-03 | 重庆大学 | A kind of method that direct shotting produces acid-dissolved titanium slag powder |
| CN107639233A (en) * | 2017-09-20 | 2018-01-30 | 重庆大学 | A kind of method that ferrosilicon particle is prepared using porous revolving cup centrifugal granulation device |
| CN107986642A (en) * | 2017-12-05 | 2018-05-04 | 重庆大学 | A kind of swollen pearl preparation facilities and preparation method thereof |
| CN108971506A (en) * | 2018-07-02 | 2018-12-11 | 王尚木 | A kind of device and method of the mass low cost production small ball of noble metal |
| CN111940749A (en) * | 2020-07-08 | 2020-11-17 | 沙洋富栩新材料技术有限公司 | Metal powder material preparation device and method |
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| CN107312941B (en) * | 2017-07-12 | 2019-05-03 | 重庆大学 | A kind of method of direct shotting production acid-dissolved titanium slag powder |
| CN107639233A (en) * | 2017-09-20 | 2018-01-30 | 重庆大学 | A kind of method that ferrosilicon particle is prepared using porous revolving cup centrifugal granulation device |
| CN107639233B (en) * | 2017-09-20 | 2019-10-18 | 重庆大学 | A method of ferrosilicon particle is prepared using porous revolving cup centrifugal granulation device |
| CN107986642A (en) * | 2017-12-05 | 2018-05-04 | 重庆大学 | A kind of swollen pearl preparation facilities and preparation method thereof |
| CN108971506A (en) * | 2018-07-02 | 2018-12-11 | 王尚木 | A kind of device and method of the mass low cost production small ball of noble metal |
| CN111940749A (en) * | 2020-07-08 | 2020-11-17 | 沙洋富栩新材料技术有限公司 | Metal powder material preparation device and method |
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