CN106077686B - 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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- CN106077686B CN106077686B CN201610659451.5A CN201610659451A CN106077686B CN 106077686 B CN106077686 B CN 106077686B CN 201610659451 A CN201610659451 A CN 201610659451A CN 106077686 B CN106077686 B CN 106077686B
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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, the device includes rotation granulation system, cooling system, metallic particles collection structure and cooling water collection structure；Rotate in granulation system, molten metal injection rotating disk, rotated by the drive belt turn disk of motor, be granulated molten metal；Cooling system, which sputters granulation, carrys out metallic particles cooling；Metallic particles metal collection of the metallic particles collection structure to whereabouts；Cooling water collection structure is collected to the cooling water of whereabouts.The device smashes metal liquid stream due to no longer needing high-pressure injection medium, therefore greatly reduces energy consumption and production cost.Metallic particles preparation method uses aforementioned device, and the rotating speed of motor is controlled according to metalline, the heat transfer effect according to metallic particles with cooling water, the number of plies and water of water curtain in cooling system is adjusted, finally utilizes the waste heat Self-dry of metallic particles.This method is simple and easy, and energy consumption is low, has saved cost.
Description
Technical field
The present invention relates to metallic particles preparing technical field, and in particular 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 for doing reducing agent, nickel and its alloy
Grain can be used to produce stainless steel.
At present, it is reducing process, atomization and electrolysis that the preparation method of metallic particles is most widely used.Wherein, it is electrolysed
Method is only used for producing high-purity and requires the metallic particles of property.Ore reduction legal system takes metallic particles, and application is more wide
It is general, but production procedure is relative complex., it is necessary to by reduction process twice so that ore reduction method produces iron powder as an example, solid carbon is also
Original produces sponge iron process and secondary reduction process, altogether more than ten procedures, and production procedure is relative complex.With first two method
Compare, atomization biggest advantage is that production efficiency is high, yield is big low with cost.
The principle that atomization produces powder is, is sent forth metal stream by means of the fluid with certain kinetic energy (high speed) micro-
Grain, its degree refined are decided by the kinetic energy (flow velocity, flow, gas property etc.) and rate of flow of fluid and metal flow quantity of fluid
Ratio size.
Atomization is mainly situated between by the use of pressure-air, argon gas, nitrogen etc. (aerosolization) and water under high pressure (water atomization) as injection
Matter smashes metal liquid stream.It is slow due to cooling down when gas atomization is produced, metallic particles residence time in high temperature
Long, particle surface aoxidizes seriously, and particle is more thin more notable.In addition, be atomized with pressure-air as ejection medium, due to
Heat transfer effect is relatively poor, is easily bonded in spray chamber Base Heat metallic particles, although bonding degree is loose, stills need
Pulverizing process.It is atomized with water under high pressure as ejection medium, cooling velocity is fast, and particle surface degree of oxidation is low, obtains
Metallic particles good sphericity.However, either water atomization or aerosolization obtains metallic particles, it is required under elevated pressure conditions,
Energy consumption is larger.
The content of the invention
In view of the above-mentioned problems existing in the prior art, it is an object of the present invention to provide a kind of simple in construction, energy consumption is low
Metallic particles preparation facilities.
It is a further object to provide a kind of side that metallic particles is prepared using above-mentioned metallic particles preparation facilities
Method.
To realize above-mentioned first purpose, the present invention adopts the following technical scheme that：A kind of metallic particles preparation facilities, it is special
Sign is：Including rotation granulation system, cooling system, metallic particles collection structure and cooling water collection structure；
Rotate granulation system：Including spray chamber, rotating disk, flange, connecting shaft and motor；
The top of the spray chamber has molten metal inlet, and bottom has coolant outlet and metallic particles outlet,
Wherein, upright side walls of the metallic particles outlet close to spray chamber；
The rotating disk and flange are located inside spray chamber, and rotating disk is fixed on the top of flange, and rotating disk injects with molten metal
Mouth is oppositely arranged；
The connecting shaft is arranged on the lower section of flange, and its top is fixedly connected with flange；
The motor rotates with being connected axis connection, drive connection axle along central shaft；
Cooling system：Part is sprayed including cooling water and cooling water；
The cooling water sprays part and is arranged in spray chamber, and positioned at the periphery of rotating disk, will be from by the cooling water of ejection
The metallic particles cooling come is sputtered at the top of rotating disk；
Metallic particles collection structure：Including metallic particle collector；The metallic particle collector is used to collect from atomization
The metallic particles of room bottom discharge；
Cool down water collection structure：Including cooling down water collector；The cooling water collector is used to collect from spray chamber bottom
The cooling water of discharge..
As optimization, in addition to it is arranged on the molten metal injecting structure on the outside of spray chamber roof；
The molten metal injecting structure includes resistant to elevated temperatures container and plug；
The bottom of the container has through hole, and the through hole is coaxially disposed with molten metal inlet；
The plug is slidably matched with described by sealing.
As optimization, coolant outlet and the metallic particles outlet is loop configuration, and circumferential along spray chamber bottom wall
Set.
As optimization, the rotating disk is that top diameter is more than the horn-like structure of base diameter.
As optimization, in addition to protective cover；The protective cover is used to cover the connecting shaft.
As optimization, the rotation granulation system also includes frequency converter, and the frequency converter is connected with motor, for controlling
The rotating speed of motor processed.
As optimization, it is more annular conduits that the cooling water, which sprays part,；
The more annular conduits are fixed on the inner side of spray chamber roof, and positioned at the outside of rotating disk；Every annular conduit
Lower section there is water outlet gap；The water outlet gap is enclosed along annular conduit circumferential one.
As optimization, it is multiple shower nozzles that the cooling water, which sprays part,；
The shower nozzle is fixed on the inwall of spray chamber；Wherein, close to the shower nozzle of the rotating disk, the cooling water of ejection is with turning
There is spacing disk top edge, and close to the shower nozzle of the vertical inwall of spray chamber, cooling water and the vertical inwall of spray chamber of ejection have spacing.
As optimization, in addition to water circle device；
Water circle device：Including circulating pump and water-supply-pipe；
One end of the water-supply-pipe connects with cooling water collector, and the other end sprays part with cooling water and connected, the circulation
Pump is arranged on water-supply-pipe.
To realize above-mentioned second purpose, the present invention adopts the following technical scheme that：A kind of preparation method of metallic particles, its
It is characterised by：Use above-mentioned metallic particles preparation facilities；
Specific preparation process is as follows：
S1：Start the motor in rotation granulation system, adjust the rotating speed of rotating disk, reach rotating speed of target；
S2：Cooling system is opened, in more annular conduits multi-layer annular water curtain formed below；
S3：Molten metal is injected into rotation granulation system, molten metal flows into rotating disk, starts to be granulated；
S4：The metallic particles that granulation is formed passes through cooling water, and after heat exchange cooling, temperature is dropped to below bonding temp, metal
Particle reaches spray chamber upright side walls, and collision rift falls, is collected into metallic particle collector；Cooling water, which falls, collects cooling water
In collector；
S5：The metallic particles of collection in metallic particle collector is by the residual heat drying of its own.
Relative to prior art, the invention has the advantages that：
Metallic particles preparation facilities provided by the invention is simple in construction, ingenious in design；Its compared with existing high-pressure atomization,
Due to all not needing high pressure in molten metal granulation and metallic particles cooling procedure, so as to greatly reduce energy consumption；It is in addition, golden
Metal particles and cooling water are collected respectively, and cooling water can be with direct reuse, and without other PROCESS FOR TREATMENTs, i.e. energy-conservation has ring
Protect, while also reduce the cost for making metallic particles.
Brief description of the drawings
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.
Embodiment
The present invention is described in further detail below.
In the description of the invention, it is to be understood that term " transverse direction ", " longitudinal direction ", " on ", " under ", " vertical ",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description is of the invention with simplified, rather than the device or element of instruction or hint meaning must be with specifically sides
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Embodiment one：
Referring to Fig. 1, a kind of metallic particles preparation facilities, including rotation granulation system, cooling system, metallic particles collect knot
Structure and cooling water collection structure.
Rotate granulation system：Including spray chamber 9, rotating disk 4, flange 5, connecting shaft 7, motor 12 and frequency converter 13.
The top of spray chamber 9 has molten metal inlet, and bottom has coolant outlet and metallic particles outlet, its
In, upright side walls of the metallic particles outlet close to spray chamber 9；
In order to facilitate the injection rate and flow of injection molten metal and control molten metal, can also include being arranged on mist
Change the molten metal injecting structure on the outside of the roof of room 9；
Molten metal injecting structure includes resistant to elevated temperatures container 2 and plug 1；The bottom of the container 2 has through hole, described
Through hole is coaxially disposed with molten metal inlet；The plug 1 is slidably matched with described by sealing, for controlling the through hole
It is unimpeded with obstruction.When it is implemented, the plug 1 is made up of Handheld Division and blockage two parts, and it is hand-held for convenience, stir
With stopper plug, the diameter of the Handheld Division is more than blockage, it can in addition contain set anti-slip veins on Handheld Division, is easy to stir plug
The period of the day from 11 p.m. to 1 a.m, plug are slipped out of the hand.
Preferentially, coolant outlet and metallic particles outlet are both designed as loop configuration, and are circumferentially set along the bottom wall of spray chamber 9
Put.This structure is more beneficial for the quick metallic particles collected after cooling water and cooling.The metallic particles outlet of annular is close to mist
Change the upright side walls of room 9, this is primarily due to metallic particles after supercooled water cools down, and can hit in the upright side walls of spray chamber 9
Inner side, then fall, by metallic particles outlet be positioned close to spray chamber 9 upright side walls can quickly to metallic particles carry out
Collect.The radial width of annular cooling water outlet is more than metallic particles outlet, and it is more that this is primarily due to cooling water water, in order to
It is quick to collect and recycle, in addition also for collection metallic particles is easy to, it is avoided as much as cooling water and is mixed into metallic particles
In collector.
The rotating disk 4 and flange 5 are located inside spray chamber 9, and rotating disk 4 is fixed on the top of flange 5, rotating disk 4 and melting gold
Category inlet is oppositely arranged；Preferably, rotating disk 4 is that top diameter is more than the horn-like structure of base diameter.It is convenient to be located in rotating disk 4
Molten metal flown out from rotating disk open top, the metallic particles obtained by rotating disk granulated metal liquid, particle is uniform, spherical
Spend, in addition, metallic particles is prepared by rotating disk granulated metal liquid, can be by adjusting metal liquid flow, disk diameter
And rotating speed size controls the size of particle, meet production needs.
The outside of the bottom of rotating disk 4 has a circle shirt rim, has multiple mounting holes on shirt rim.Shirt rim and the setting of mounting hole
Primarily to it is more preferable, more securely rotating disk is fixed on flange, prevent rotating disk and flange from relatively rotating as much as possible
It is or mobile.
In order to prevent corrosion of the cooling water to connecting shaft 7, protective cover 8 can also be increased, the protective cover 8 is by whole connecting shaft
7 cover completely, so as to prevent cooling water from being contacted with connecting shaft 7.There is the top of connecting shaft 7 to pass through logical during implementation, on protective cover 8
Hole, and sealing ring 14 is set between the through hole at the top of protective cover 8 and connecting shaft 7, make the through hole and connecting shaft at the top of protective cover 8
Sealed between 7 it is rotatable coordinate, during so as to ensure that motor 12 drives the connecting shaft 7 to rotate, protective cover 8 does not rotate, and protects simultaneously
Demonstrate,proving cooling water will not enter in protective cover 8.When it is implemented, operating for convenience, protective cover 8 can be simultaneously by the He of connecting shaft 7
Motor 12 covers in the lump.
The connecting shaft 7 is arranged on the lower section of flange 5, and its top is fixedly connected with flange 5；The motor 12 with
Connecting shaft 7 connects, and drive connection axle 7 rotates along central shaft.
The frequency converter 13 is connected with motor 12, for controlling the rotating speed of motor 12.The setting of frequency converter 13
Primarily to the rotating speed of more convenient regulation motor 12, so as to according to different metallicities, adjust rotating disk
Rotating speed, add the applicability of the metallic particles preparation facilities.
Cooling system：Part is sprayed including cooling water and cooling water；
Cooling water sprays part and is arranged in spray chamber 9, and positioned at the periphery of rotating disk 4, will be from turning by the cooling water of ejection
The top of disk 4 sputters the metallic particles cooling come；
Cooling water, which sprays part, to be easy to cool down metal grain structure using any in the prior art, it is preferred to use following two
Kind structure：
The first structure, referring to Fig. 2 and Fig. 3, it is more annular conduits 3 that cooling water, which sprays part,；The more annular conduits 3
The inner side of the roof of spray chamber 9 is fixed on, and positioned at the outside of rotating disk 4；The lower section of every annular conduit 3 has water outlet gap；Institute
Water outlet gap is stated to enclose along annular conduit 3 circumferential one.
Because the bottom of more annular conduits 3 has water outlet gap, therefore multilayer water smoke is formed on the outside of rotating disk, from rotating disk
4 sputter the metallic particles come, sequentially pass through multiple water smoke and are cooled down, metallic particles reaches heat transfer effect through water curtain, can
To be collected respectively to metallic particles and cooling water, the process separated due to metallic particles with water is eliminated；In addition, by
Multilayer Water-Curta in Cooling exchanges heat, and can drop to below bonding temp metallic particles as early as possible, shortens metallic particles flying distance, subtract
The small floor space of whole device, has saved land resource, has reduced cost of investment.
Rotating disk granulation is combined with annular Water-Curta in Cooling, this cold compared with direct voltage water produces metal dust technique
But mode institute water requirement greatly reduces, and both reduces production cost, has saved substantial amounts of water resource again；Rotating disk is granulated and annular water
Curtain cooling is combined, and metallic particles flies away from rotating disk from disk edge with very high speed, and within the extremely short time with cooling
Water curtain contacts, and reduces the time of contact of metallic particles and air, greatly reduces the degree of oxidation of surface of metal particles.
Second of structure：It is multiple shower nozzles that cooling water, which sprays part,；The shower nozzle is fixed on the inwall of spray chamber 9；Wherein,
Close to the shower nozzle of the rotating disk 4, there is spacing cooling water and the top edge of rotating disk 4 of ejection, close to the spray of 9 vertical inwall of spray chamber
Head, cooling water and the 9 vertical inwall of spray chamber of ejection have spacing.Pushed up when it is implemented, multiple shower nozzles can be fixed on spray chamber 9
The inner side of wall, the inner side of the upright side walls of spray chamber 9 can also be fixed on, be preferably fixed to the inner side of the upright side walls of spray chamber 9, this
Jet angle is more easily adjusted in sample, and the cooling water for preventing from spraying is sprayed into rotating disk 4 or beaten in the inner side of the upright side walls of spray chamber 9.
Metallic particles collection structure：Including metallic particle collector 10；The metallic particle collector 10 be used for collect from
The metallic particles of the bottom of spray chamber 9 discharge, when it is implemented, metallic particle collector 10 can be arranged on to the outer of spray chamber 9
Side, and it is relative with metallic particles outlet positioned at the bottom of spray chamber 9, the opening of the upper end of metallic particle collector 10；Metal
Grain 10 preferably circular structure of collector, the opening of its upper end is relative with the metallic particles outlet of annular, by the metal of whereabouts
Grain is collected wherein.
Cool down water collection structure：Including cooling down water collector 11；The cooling water collector 11 is used to collect from spray chamber 9
The cooling water of bottom discharge.When it is implemented, cooling water collector 11 can be arranged on into the outside of spray chamber 9, and it is located at mist
Change the bottom of room 9, the opening of the upper end of cooling water collector 11 is relative with coolant outlet.When it is implemented, cooling water is collected
Device 11 is loop configuration, and the opening of its upper end is relative with the coolant outlet of annular, and the cooling water of whereabouts is collected wherein.
Because cooling water and metallic particles are separate collections, therefore recycle cooling water is very convenient, therefore, the 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 connected with cooling water collector 11, the other end and cooling water ejection part connect, and the 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, without other PROCESS FOR TREATMENTs, i.e.,
Energy-conservation has environmental protection, while also reduces the cost for making metallic particles.
Embodiment two：
A kind of preparation method of metallic particles, use the metallic particles preparation facilities described in embodiment one；
Specific preparation process is as follows：
S1：Start the motor 12 in rotation granulation system, adjust the rotating speed of rotating disk 4, reach rotating speed of target；
S2：Cooling system is opened, in more annular conduits 3 multi-layer annular water curtain formed below；
S3：Molten metal is injected into rotation granulation system, molten metal flows into rotating disk 4, starts to be granulated；
S4：The metallic particles that granulation is formed passes through cooling water, and after heat exchange cooling, temperature is dropped to below bonding temp, metal
Particle reaches the upright side walls of spray chamber 9, and collision rift falls, is collected into metallic particle collector 10；
Cooling water, which falls, to be collected in cooling water collector 11；Heat transfer effect that can be according to metallic particles with cooling water, adjustment
The number of plies and water size of water curtain；
S5：The metallic particles of collection in metallic particle collector 10 is by the residual heat drying of its own.
The metallic particles being collected separately, after water curtain exchanges heat, remaining more than 200 DEG C waste heat, this part of waste heat can
So that particle reaches the effect of drying in itself, dry metallic particles without providing heat in addition, reduce energy consumption, saved into
This.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail 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 substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (7)
- A kind of 1. metallic particles preparation facilities, it is characterised in that：Collected including rotation granulation system, cooling system, metallic particles Structure and cooling water collection structure；Rotate granulation system：Including spray chamber（9）, rotating disk（4）, flange（5）, connecting shaft（7）, protective cover（8）, motor （12）And frequency converter（13）；The spray chamber（9）Top there is molten metal inlet, bottom has coolant outlet and metallic particles outlet, its In, metallic particles outlet is close to spray chamber（9）Upright side walls；The coolant outlet and metallic particles outlet are loop configuration, and along spray chamber（9）Bottom wall is circumferentially disposed；The rotating disk（4）And flange（5）Positioned at spray chamber（9）Inside, rotating disk（4）It is fixed on flange（5）Top, rotating disk（4） It is oppositely arranged with molten metal inlet；The rotating disk（4）It is more than the horn-like structure of base diameter for top diameter；The connecting shaft（7）It is arranged on flange（5）Lower section, and its top and flange（5）It is fixedly connected；The protective cover（8）For by the connecting shaft（7）Cover；The motor（12）With connecting shaft（7）Connection, drive connection axle（7）Rotated along central shaft；The frequency converter（13）With motor（12）Connection, for controlling motor（12）Rotating speed；Cooling system：Part is sprayed including cooling water and cooling water；The cooling water sprays part and is arranged on spray chamber（9）It is interior, and it is located at rotating disk（4）Periphery, will by the cooling water of ejection From rotating disk（4）Top sputters the metallic particles cooling come；It is more annular conduits that the cooling water, which sprays part,（3）；The more annular conduits（3）It is fixed on spray chamber（9）The inner side of roof, and it is located at rotating disk（4）Outside；Every annular Water pipe（3）Lower section there is water outlet gap；The water outlet gap is along annular conduit（3）Circumferential one encloses, annular conduit（3）Lower section goes out The cooling water and spray chamber of water gap outflow（9）Upright side walls have spacing；Metallic particles collection structure：Including metallic particle collector（10）；The metallic particle collector（10）For collect from Spray chamber（9）The metallic particles of bottom discharge；Cool down water collection structure：Including cooling down water collector（11）；The cooling water collector（11）For collecting from spray chamber （9）The cooling water of bottom discharge.
- 2. metallic particles preparation facilities as claimed in claim 1, it is characterised in that：Also include being arranged on spray chamber（9）Roof The molten metal injecting structure in outside；The molten metal injecting structure includes resistant to elevated temperatures container（2）And plug（1）；The container（2）Bottom there is through hole, the through hole is coaxially disposed with molten metal inlet；The plug（1）With the container（2）It is slidably matched by sealing.
- 3. metallic particles preparation facilities as claimed in claim 1, it is characterised in that：Also include water circle device；Water circle device：Including circulating pump（15）And water-supply-pipe（16）；The water-supply-pipe（16）One end with cooling water collector（11）Connection, the other end sprays part with cooling water and connected, described Circulating pump（15）Installed in water-supply-pipe（16）On.
- A kind of 4. metallic particles preparation facilities, it is characterised in that：Collected including rotation granulation system, cooling system, metallic particles Structure and cooling water collection structure；Rotate granulation system：Including spray chamber（9）, rotating disk（4）, flange（5）, connecting shaft（7）, protective cover（8）, motor （12）And frequency converter（13）；The spray chamber（9）Top there is molten metal inlet, bottom has coolant outlet and metallic particles outlet, its In, metallic particles outlet is close to spray chamber（9）Upright side walls；The coolant outlet and metallic particles outlet are loop configuration, and along spray chamber（9）Bottom wall is circumferentially disposed；The rotating disk（4）And flange（5）Positioned at spray chamber（9）Inside, rotating disk（4）It is fixed on flange（5）Top, rotating disk（4） It is oppositely arranged with molten metal inlet；The rotating disk（4）It is more than the horn-like structure of base diameter for top diameter；The connecting shaft（7）It is arranged on flange（5）Lower section, and its top and flange（5）It is fixedly connected；The protective cover（8）For by the connecting shaft（7）Cover；The motor（12）With connecting shaft（7）Connection, drive connection axle（7）Rotated along central shaft；The frequency converter（13）With motor（12）Connection, for controlling motor（12）Rotating speed；Cooling system：Part is sprayed including cooling water and cooling water；The cooling water sprays part and is arranged on spray chamber（9）It is interior, and it is located at rotating disk（4）Periphery, will by the cooling water of ejection From rotating disk（4）Top sputters the metallic particles cooling come；It is multiple shower nozzles that the cooling water, which sprays part,；The shower nozzle is fixed on spray chamber（9）Inwall on；Wherein, close to the rotating disk（4）Shower nozzle, the cooling water of ejection with Rotating disk（4）There is spacing top edge, close to spray chamber（9）The shower nozzle of upright side walls, the cooling water and spray chamber of ejection（9）Vertically Side wall has spacing；Metallic particles collection structure：Including metallic particle collector（10）；The metallic particle collector（10）For collect from Spray chamber（9）The metallic particles of bottom discharge；Cool down water collection structure：Including cooling down water collector（11）；The cooling water collector（11）For collecting from spray chamber （9）The cooling water of bottom discharge.
- 5. metallic particles preparation facilities as claimed in claim 4, it is characterised in that：Also include being arranged on spray chamber（9）Roof The molten metal injecting structure in outside；The molten metal injecting structure includes resistant to elevated temperatures container（2）And plug（1）；The container（2）Bottom there is through hole, the through hole is coaxially disposed with molten metal inlet；The plug（1）With the container（2）It is slidably matched by sealing.
- 6. metallic particles preparation facilities as claimed in claim 4, it is characterised in that：Also include water circle device；Water circle device：Including circulating pump（15）And water-supply-pipe（16）；The water-supply-pipe（16）One end with cooling water collector（11）Connection, the other end sprays part with cooling water and connected, described Circulating pump（15）Installed in water-supply-pipe（16）On.
- A kind of 7. preparation method of metallic particles, it is characterised in that：Metallic particles preparation facilities described in usage right requirement 1；Specific preparation process is as follows：S1：Start the motor in rotation granulation system（12）, adjust rotating disk（4）Rotating speed, reach rotating speed of target；S2：Cooling system is opened, in more annular conduits（3）Multi-layer annular water curtain formed below；S3：Molten metal is injected into rotation granulation system, molten metal flows into rotating disk（4）, start to be granulated；S4：The metallic particles that granulation is formed passes through cooling water, and after heat exchange cooling, temperature is dropped to below bonding temp, metallic particles Reach spray chamber（9）Upright side walls, collision rift fall, and are collected into metallic particle collector（10）In；Collect cold in cooling water whereabouts But water collector（11）In；S5：Metallic particle collector（10）In collection metallic particles by the residual heat drying of its own.
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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 |
| 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 |
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| JPS61243104A (en) * | 1985-04-17 | 1986-10-29 | Nippon Jiryoku Senko Kk | Method for producing steel shot material |
| EP0226323A1 (en) * | 1985-11-14 | 1987-06-24 | Dresser Industries, Inc. | Apparatus for preparing metal particles from molten metal |
| JPS6462405A (en) * | 1987-08-31 | 1989-03-08 | Ishikawajima Harima Heavy Ind | Apparatus for producing rotating disk type metal powder |
| JPH0317206A (en) * | 1989-06-13 | 1991-01-25 | Kubota Corp | Apparatus for manufacturing rapidly cooling solidified metal powder |
| JP2000073109A (en) * | 1998-08-30 | 2000-03-07 | Shinkoo Flex:Kk | Production of granular body of magnesium or magnesium alloy |
| CN2910429Y (en) * | 2006-06-09 | 2007-06-13 | 高治国 | Apparatus for producing metallic powder by means of high speed centrifugal atomizing |
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| CN106077686A (en) | 2016-11-09 |
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