CN205254120U - Preparation metal powder uses centrifugal atomizing device - Google Patents
Preparation metal powder uses centrifugal atomizing device Download PDFInfo
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- CN205254120U CN205254120U CN201521029300.9U CN201521029300U CN205254120U CN 205254120 U CN205254120 U CN 205254120U CN 201521029300 U CN201521029300 U CN 201521029300U CN 205254120 U CN205254120 U CN 205254120U
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Abstract
The utility model provides a preparation metal powder uses centrifugal atomizing device, atomizing jar has connect the ground wire, and there is the storage silo an atomizing jar top, and the wire meets with DC power supply through the storage silo, there is the gyro wheel straightener on atomizing jar interior upper portion, there is centrifugal device the straightener below, centrifugal device has induction heating's a carousel, carousel axis and wire dead in line, the carousel through the back shaft with turn to the reduction gear and meet, turn to the reduction gear and pass through magnetic current body sealing device and is connected with a jar outer high speed motor, the atomizing jar is equipped with the whitewashed device of receipts. Prepare metal powder with the device, the wire melts in vacuum atomizing jar, with the air contact, has not avoided the metal liquid oxygenization, the metal high -usage, metal liquid does not contact with refractory material, avoids the nonmetal to mix with the pollution, but production high -purity metal powder, metal powder grain shape and size are easily controlled, can obtain shape subglobular, the narrow powder particle of size distribution, are particularly suitable for 3D and print usefulness.
Description
Technical field
The utility model relates to producing of metal dust, particularly a kind ofly prepares the centrifugal atomizing dress that various metals or alloy powder are usedPut.
Background technology
In recent years, many new materials comprise the development of non-equilibrium material, have benefited from the development of advanced atomized powder technology of preparing.Atomization technique can be produced most metals powder, and except refractory metal powder, general elemental metals powder and alloy powder are allCan prepare by this technology. Atomization technique combines conventional alloys melting with powder metallurgy, for preparing common material and specialThe material that microstructure and properties requires provides important method.
At present, prepare the centrifugal atomization apparatus that metal dust uses both at home and abroad and comprise spray chamber, there is crucible spray chamber top, at the bottom of cruciblePortion by transfusion pole be placed in the indoor liquid outlet of materialization and join, liquid outlet is corresponding with atomizing disk. After metal being dissolved by crucible,Flow to by transfusion pole and liquid outlet on the atomizing disk of High Rotation Speed, under inert gas shielding, metallic solution is from atomizing disk edgeThrow away, form metal dust.
Prepare metal dust by this centrifugal atomization apparatus and have following problem:
1, the metallic solution in crucible is because being exposed in air, and surface can be oxidized, causes using rate of metal to reduce;
2, metallic solution contacts with the refractory material of formation crucible, produces non-metallic inclusion and pollutes, and causes the metal dust of preparationPurity reduces.
3, the more difficult control of the shape and size of metal powder granulates, the grain shape conventionally obtaining is rule not, powder distribution of sizesWider.
Utility model content
The problems referred to above that exist for prior art, the purpose of this utility model is to provide that a kind of metal is not oxidizable, utilization rate is high,High, the prepared powder granule subglobular of metal dust purity prepare metal dust centrifugal atomization apparatus.
For achieving the above object, what the utility model provided prepares metal dust centrifugal atomization apparatus, comprises atomization tank, atomizationTank is connected to ground wire; Above atomization tank, have the storage bin wiry of storage, wire joins by storage bin and dc source; MistChanging tank internal upper part is useful on aligning and drives roller straightener wiry; Below straightener, there is centrifugal device; Atomization tank is provided withReceive powder device.
Described storage bin comprises housing, and the lower end of housing joins by ceramic insulation gasket seal and base, base and tank body topBe tightly connected, have metal wire tray in housing, wire is wrapped in this metal wire tray, and wire is by housing and dc source phaseConnect.
Described centrifugal device comprises rotating disk, the axis of rotating disk and wire dead in line, and rotating disk subtracts with turning to by carousel supports axleThe rotating speed device that turns in speed case joins, and turns to rotating speed device to be connected with the high-speed electric expreess locomotive of atomization tank outside by device for sealing magnetic fluid,Rotating disk is provided with induction heating apparatus.
Described induction heating apparatus is made up of the electromagnetic induction heating coil of high-temperature insulation cable winding, electromagnetic induction heating coil withCarousel supports between centers has 15mm gap, and electromagnetic induction heating coil is by the inlet wire pipe and outlet-pipe and the outside that are tightly connected with tank bodyPower supply joins.
The described reduction box that turns to adopts water-cooled, and external refrigeration water passes into surround from the water inlet pipe being tightly connected with tank body and turns to reduction boxThe circular passage of bearing chamber, flows out from the outlet pipe being tightly connected with tank body.
Described roller straightener adopts ceramic insulation roller.
Described receipts powder device comprises one in the whirlwind powder collector that is arranged on the receipts powder tank of atomization tank lower end and is arranged on atomization tank sidepiecePlant or two kinds; Wherein the air inlet of whirlwind powder collector joins by the upper end of condenser and circulating fan and atomization tank, and whirlwind is received powderThe exhaust outlet of device and the lower end of atomization tank join.
Prepare metal dust by the utility model centrifugal atomization apparatus, utilize vacuum system that atomization tank is vacuumized, in storage binWire drives auto-feed under electriferous state by roller straightener, drives the charged rotating disk of sensed heating high by high-speed electric expreess locomotiveSpeed is rotated, and by the electric arc producing between rotating disk and wire, wire material is fused into molten metal, and is dropped on rotating disk, centrifugalLower spherical metal (or alloy) powder particle that forms of effect, finally collects by receiving powder tank or whirlwind powder collector.
Compared with prior art, the utility model has the advantages that:
1, wire melts in vacuum atomizing tank, does not contact with air, has avoided the oxidation of molten metal, makes the utilization rate of metalImprove.
2, molten metal does not contact with refractory material, has avoided non-metallic inclusion pollution, can produce high purity metal powder.
3, the shape and size of metal powder granulates are easy to control, and can obtain the powder granule of shape subglobular, and powder granuleNarrow size distribution, is particularly suitable for doing 3D printing metal-powder.
4, apparatus structure is simple, uses easy and simple to handlely, and performance safety is reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of centrifugal device in Fig. 1;
Fig. 3 is storage bin structural representation in Fig. 1.
In figure: 1 receives powder tank; 2 atomization tanks; 3 centrifugal devices, 3-1 turns to reduction box, 3-2 water inlet pipe, 3-3 inlet wire pipe,3-4 device for sealing magnetic fluid, 3-5 rotating disk, 3-6 induction heating apparatus, 3-7 carousel supports axle, 3-8 outlet-pipe, 3-9 water outletPipe, 4 high-speed electric expreess locomotives, 5 roller straighteners, 6 storage bins, 6-1 base, 6-2 ceramic insulation gasket seal, 6-3 wire,6-4 (storage bin) housing, 6-5 metal wire tray, 7 circulating fans, 8 aspirating holes, 9 condensers, 10 whirlwind powder collectors.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, the present embodiment centrifugal atomization apparatus, the tank skin of its atomization tank 2 adopts the type of cooling of water collar, upper endThere is the aspirating hole 8 vacuumizing for vacuum system. The storage bin 6 that holds wire material 6-3 is installed directly over atomization tank, storageThe housing 6-4 lower end of feed bin by ceramic insulation gasket seal 6-2 with and the base 6-1 that is connected of tank body top seal join, shellMetal wire tray 6-5 is installed in body, and metal wire material 6-3 is wrapped in this metal wire tray, and joining of housing and dc source is logicalCrossing metal wire tray makes metal wire material charged.
The roller straightener 5 being made up of ceramic insulation roller is installed by tank skin at atomization tank internal upper part. Peace below straightenerDress centrifugal device 3. Centrifugal device comprises rotating disk 3-5. Rotating disk is by carousel supports axle 3-7 and turn to turning in reduction box 3-1Decelerator (not shown) joins, and speed reducing steering system is connected with the high-speed electric expreess locomotive 4 of atomization tank outside, the output shaft of high-speed electric expreess locomotive withAtomization tank adopts device for sealing magnetic fluid 3-4 sealing. Turn to reduction box to adopt water-cooled, external refrigeration water is from being tightly connected with tank bodyWater inlet pipe 3-2 pass into surround and turn to the circular passage of reduction box bearing chamber, flow out from the outlet pipe 3-9 being tightly connected with tank body.Rotating disk is provided with induction heating apparatus 3-6, and induction heating apparatus is made up of the electromagnetic induction heating coil of high-temperature insulation cable winding,With the safety clearance that carousel supports axle keeps 15mm, guarantee the two insulation, electromagnetic induction heating coil is by being tightly connected with tank bodyInlet wire pipe 3-3 and outlet-pipe 3-8 by externally fed; The axis of rotating disk overlaps with the wire axis height by straightener alignment,The upper surface of rotating disk and lower end wiry keep the distance of 5mm, to guarantee the starting the arc;
On atomization tank, install simultaneously and receive powder tank 1 and 10 two kinds of receipts powder devices of whirlwind powder collector. Wherein receive powder tank and be arranged on atomizationThe lower end of tank, with controlled valve. Whirlwind powder collector is arranged on atomization tank sidepiece, and its air inlet is by condenser 9 and circulated airMachine 7 joins with the upper end of atomization tank, and the exhaust outlet of whirlwind powder collector and the lower end of atomization tank join. With whirlwind powder collector can be to goldBelong to powder and carry out classification collection by granular size.
Use above-mentioned centrifugal atomization apparatus to prepare metal dust, comprise following operating procedure:
1, will in feed bin, introduce on the roller straightener in atomization tank around the wire in metal wire tray, make wire lower end and turnDish upper surface keeps setpoint distance, and wire is energy auto-feed under roller straightener drives;
2, utilize the vacuum system being formed by ZJP-600 lobe pump, 2X-70 chip select pump and Pneumatic baffle valve that atomization tank is vacuumized,Make it reach certain vacuum degree;
3, start high-speed electric expreess locomotive, drive rotating disk to setting speed; By rotating disk eddy-current heating; The live metal silk that makes auto-feed withBetween rotating disk, produce electric arc, wire is fused into molten metal, be dropped on rotating disk, under rotating disk centrifugal action, form metal(or alloy) powder particle, falls atomization tank bottom;
4, in the time that atomization tank watch window observes wire and exhausts, stop high-speed electric expreess locomotive;
5, use the receipts powder tank of atomization tank lower end to collect metal dust, or start circulating fan, use the classification of whirlwind powder collector to collectMetal dust.
Claims (6)
1. prepare a metal dust centrifugal atomization apparatus, comprise atomization tank (2); It is characterized in that: described atomization tank connectsThere is ground wire; The storage bin (6) that has storage wire (6-3) above atomization tank, wire is by storage bin and dc sourceJoin; Atomization tank internal upper part is useful on aligning and drives roller straightener wiry (5); Below straightener, there is centrifugal device(3); Atomization tank is provided with receives powder device.
2. the metal dust centrifugal atomization apparatus of preparing according to claim 1, is characterized in that: described storage bin (6)Comprise housing (6-4), the lower end of housing joins by ceramic insulation gasket seal (6-2) and base (6-1), base and tankBody top seal connects, and has metal wire tray (6-5) in housing, and wire (6-3) is wrapped in this metal wire tray, wireJoin by housing and dc source.
3. the metal dust centrifugal atomization apparatus of preparing according to claim 1, is characterized in that: described centrifugal device (3)Comprise rotating disk (3-5), the axis of rotating disk and wire dead in line, rotating disk is by carousel supports axle (3-7) and turn to decelerationThe rotating speed device that turns in case (3-1) joins, and turns to rotating speed device by the height of device for sealing magnetic fluid (3-4) and atomization tank outsideSpeed motor (4) connects, and rotating disk is provided with induction heating apparatus (3-6).
4. the metal dust centrifugal atomization apparatus of preparing according to claim 3, is characterized in that: described eddy-current heating dressPut (3-6) and formed by the electromagnetic induction heating coil of high-temperature insulation cable winding, electromagnetic induction heating coil and carousel supports axle(3-7) between, have 15mm gap, electromagnetic induction heating coil is by the inlet wire pipe (3-3) and the outlet-pipe (3-8) that are tightly connected with tank bodyJoin with externally fed power supply.
5. according to preparing metal dust centrifugal atomization apparatus described in claim 3 or 4, it is characterized in that: described in turn to and subtractSpeed case (3-1) adopts water-cooled, and external refrigeration water passes into surround from the water inlet pipe (3-2) being tightly connected with tank body and turns to reduction boxThe circular passage of bearing chamber, flows out from the outlet pipe (3-9) being tightly connected with tank body.
6. the metal dust centrifugal atomization apparatus of preparing according to claim 1, is characterized in that: described receipts powder device bagDraw together one or both in the whirlwind powder collector (10) that is arranged on the receipts powder tank (1) of atomization tank lower end and is arranged on atomization tank sidepiece;Wherein the air inlet of whirlwind powder collector joins with the upper end of atomization tank (2) by condenser (9) and circulating fan (7), whirlwindThe lower end of the exhaust outlet of powder collector (10) and atomization tank (2) joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521029300.9U CN205254120U (en) | 2015-12-11 | 2015-12-11 | Preparation metal powder uses centrifugal atomizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521029300.9U CN205254120U (en) | 2015-12-11 | 2015-12-11 | Preparation metal powder uses centrifugal atomizing device |
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| Publication Number | Publication Date |
|---|---|
| CN205254120U true CN205254120U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521029300.9U Withdrawn - After Issue CN205254120U (en) | 2015-12-11 | 2015-12-11 | Preparation metal powder uses centrifugal atomizing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312587A (en) * | 2015-12-11 | 2016-02-10 | 东北大学 | Centrifugal atomizing device for preparing metal powder |
| CN107350477A (en) * | 2017-08-30 | 2017-11-17 | 湖南顶立科技有限公司 | A kind of powder preparing unit |
| KR102294406B1 (en) * | 2020-12-08 | 2021-08-27 | (주)엔오엔그리드 | Metal nano powder manufacturing device |
| US11331724B2 (en) * | 2018-09-25 | 2022-05-17 | Xiaoming Wang | Apparatus and method for efficiently preparing ultrafine spherical metal powder by one-by-one droplets centrifugal atomization method |
-
2015
- 2015-12-11 CN CN201521029300.9U patent/CN205254120U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312587A (en) * | 2015-12-11 | 2016-02-10 | 东北大学 | Centrifugal atomizing device for preparing metal powder |
| CN107350477A (en) * | 2017-08-30 | 2017-11-17 | 湖南顶立科技有限公司 | A kind of powder preparing unit |
| US11331724B2 (en) * | 2018-09-25 | 2022-05-17 | Xiaoming Wang | Apparatus and method for efficiently preparing ultrafine spherical metal powder by one-by-one droplets centrifugal atomization method |
| KR102294406B1 (en) * | 2020-12-08 | 2021-08-27 | (주)엔오엔그리드 | Metal nano powder manufacturing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20170725 |
|
| AV01 | Patent right actively abandoned |