CN106735278A - A kind of atomization preparing apparatus of TiAl powder - Google Patents
A kind of atomization preparing apparatus of TiAl powder Download PDFInfo
- Publication number
- CN106735278A CN106735278A CN201611260479.8A CN201611260479A CN106735278A CN 106735278 A CN106735278 A CN 106735278A CN 201611260479 A CN201611260479 A CN 201611260479A CN 106735278 A CN106735278 A CN 106735278A
- Authority
- CN
- China
- Prior art keywords
- leakage fluid
- swirl atomizer
- liquid storage
- fluid dram
- chamber
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 229910010038 TiAl Inorganic materials 0.000 title claims abstract description 18
- 238000000889 atomisation Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 17
- 239000011261 inert gas Substances 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of atomization preparing apparatus of TiAl powder, including body of heater, working chamber, spray chamber and collecting chamber, working chamber's crucible bottom is connected to liquid storage bag by mozzle, liquid storage bag bottom connects swirl atomizer by mozzle, swirl atomizer is discoid, a diameter of 10cm, the outside of the swirl atomizer is symmetrically provided with 4 leakage fluid drams, the a diameter of 3cm of leakage fluid dram, leakage fluid dram opening direction is the normal direction of disk, leakage fluid dram is provided with the magnetic valve with PLC control system dedicated radio link, the opening and closing of pulsed can be realized by control system, swirl atomizer surrounding is accordingly provided with 4 inert gas nozzles, leakage fluid dram melt throws away direction when inert gas nozzle direction just rotates to swirl atomizer；Spray chamber lower section is provided with collecting chamber, and cyclone separator and ultrasonic vibrating screen are provided with collecting chamber, present invention improves crushing effect and improves the uniformity coefficient of powder.
Description
Technical field
The invention belongs to materials processing technology field, more particularly, to a kind of atomization preparing apparatus of TiAl powder.
Background technology
Titanium alloy density is small, and intensity is big, hardness is big, and resistance to elevated temperatures is strong, and its corrosion resistance and crocking resistance are high, especially
It is TiAl intermetallic compound because with high specific strength, high specific stiffness, anti-corrosion, wear-resisting, high temperature resistant and excellent anti-oxidant
The advantages of performance, one of good candidates structural material as fields such as contemporary aerospace industry, civilian industries, especially
It is to be had broad application prospects in blade of aviation engine field.3D printing, or increasing material manufacturing is used as rising in recent years
A kind of quick shaping process, using successively powdering, laser or electron beam melt the mode being molded, and realize the finishing of precise part
Work is molded, and avoids the defects such as the shrinkage cavity shrinkage porosity of casting process appearance, as a kind of emerging material manufacturing process.
Powder used by current 3D printing, typically by vacuum pouring after melting into ingot casting, subsequent secondary smelting is simultaneously used
The mode for being atomized legal system powder is obtained, and in current atomization method, after typically being flowed directly out using metal bath, melt is blown
Realize atomization.The more advanced technique in part is atomized after then melt is thrown away using centrifugal process, and during being thrown away using centrifugation,
Inventor it has been investigated that, what melt threw away gas in rear atomization process blows speed, angle, the effect of the direction of liquid stream to being atomized
Granularity with powder after atomization has an impact, but current centrifuging process after continuous centrifugal goes out liquid by the way of blowing, because
And make obtained powder particles skewness.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of atomization preparing apparatus of TiAl powder.
The complete technical scheme of the present invention includes：
A kind of atomization preparing apparatus of TiAl powder, described device include body of heater, control system, working chamber, spray chamber and
Collecting chamber.
Described working chamber is located at body of heater top, including crucible, and crucible is externally provided with sensing heating body, and body of heater top is provided with stove
Lid,
Dividing plate is provided between working chamber and spray chamber, the liquid storage bag that refractory material is made, institute are provided with described spray chamber
State a diameter of 15cm of liquid storage bag, be highly 30cm, the liquid storage bag includes that outer layer is served as a contrast and internal layer, internal layer using with to be atomized
The TiAl alloy of TiAl powder same compositions is made, and internal layer thickness is 1cm, and induction melting crucible bottom is connected to institute by mozzle
The liquid storage bag stated, mozzle is provided with opening/closing mechanism, and liquid storage bag bottom connects swirl atomizer, described centrifugation by mozzle
Nozzle is discoid, a diameter of 10cm, and the outside of the swirl atomizer is symmetrically provided with 4 leakage fluid drams, and leakage fluid dram is a diameter of
3cm, leakage fluid dram opening direction is the normal direction of disk, and leakage fluid dram is provided with the electromagnetism with PLC control system dedicated radio link
Valve, can realize the opening and closing of pulsed by control system, and swirl atomizer surrounding is accordingly provided with 4 inert gas sprays
Mouth, leakage fluid dram melt throws away direction when inert gas nozzle direction just rotates to swirl atomizer；Spray chamber lower section is provided with collection
Room, is provided with cyclone separator and ultrasonic vibrating screen in collecting chamber.
The present invention is relative to the advantage of prior art：By centrifugal nozzle, alloy melt is got rid of with centrifugal
Go out, increased the speed for throwing away, thus bigger crushing force can be produced when being contacted with atomization air flow, improve crushing effect,
Simultaneously using the controlled valve of pulsed, melt is just thrown away when just to atomization air flow direction, come in contact, maintain broken
When angle uniformity, improve the uniformity coefficient of powder, for the high reaction activity of TiAl, set in liquid storage stove bag and want mist
The internal layer of the TiAl powder same compositions of change, it is to avoid melt corrosion liquid storage bag in liquid storage, while density according to TiAl alloy, molten
The features such as refining speed, liquid supply speed, centrifugal rotational speed, the optimization design of liquid storage bag and atomizer size is carried out for it, made
Atomizing effect is more preferably, in hgher efficiency.
Brief description of the drawings
Fig. 1 is atomization preparing apparatus structural representation of the present invention.
Fig. 2 is swirl atomizer structural scheme of mechanism of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
A kind of atomization preparing apparatus of TiAl powder, described device include body of heater 1, control system, working chamber, spray chamber and
Collecting chamber.
Described working chamber is located at body of heater top, including crucible 2, and crucible is externally provided with sensing heating body 3, and body of heater top is provided with
Bell,
Dividing plate is provided between working chamber and spray chamber, the liquid storage bag 4 that refractory material is made, institute are provided with described spray chamber
State a diameter of 15cm of liquid storage bag, be highly 30cm, the liquid storage bag includes that outer layer is served as a contrast and internal layer, internal layer using with to be atomized
The TiAl alloy of TiAl powder same compositions is made, and internal layer thickness is 1cm, and induction melting crucible bottom is connected to institute by mozzle
The liquid storage bag stated, mozzle is provided with opening/closing mechanism, and liquid storage bag bottom connects swirl atomizer 5, described centrifugation by mozzle
Nozzle is discoid, a diameter of 10cm, and the outside of the swirl atomizer is symmetrically provided with 4 leakage fluid drams 6, and leakage fluid dram is a diameter of
3cm, leakage fluid dram opening direction is the normal direction of disk, and leakage fluid dram is provided with the electromagnetism with PLC control system dedicated radio link
Valve, can realize the opening and closing of pulsed by control system, and swirl atomizer surrounding is accordingly provided with 4 inert gas sprays
Mouth 8, leakage fluid dram melt throws away direction when inert gas nozzle direction just rotates to swirl atomizer；Spray chamber lower section is provided with collection
Room 7, is provided with cyclone separator and ultrasonic vibrating screen in collecting chamber.
When carrying out powder by atomization using said apparatus, the conjunction with required component for first obtaining cast after vacuum melting
Golden ingot casting, is put in the crucible of vacuum induction melting furnace, vacuum induction heating coil power supply is opened after being subsequently vacuumed out, to crucible
Interior ingot casting heating, ingot casting is completely melt after about 15-20min, and thermometric is carried out to alloy melt using infrared measurement of temperature equipment,
After being incubated 2-3min at 1730-1770 DEG C, melt is entered in the liquid storage bag of spray chamber by crucible, then passes through ceramic mozzle
It is directed in swirl atomizer, swirl atomizer starts centrifugal rotation, while control system control magnetic valve is opened in a pulsed fashion
Close, melt is thrown out of in a pulsed fashion, the above-mentioned melt for throwing away just to atomization gas emission direction, angle each other
It it is 0 °, the melt for throwing away and atomization gas frontal impact are ground into fine droplet under airflow function, and cooled and solidified is thin
Powder, subsequently enters collecting chamber, is collected after being sieved through vibratory sieve after cyclone separator is separated.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (1)
1. a kind of atomization preparing apparatus of TiAl powder, described device includes body of heater, control system, working chamber, spray chamber and receipts
Collection room.Described working chamber is located at body of heater top, including crucible, and crucible is externally provided with sensing heating body, and body of heater top is provided with bell,
Dividing plate is provided between working chamber and spray chamber, the liquid storage bag that refractory material is made, the liquid storage bag are provided with described spray chamber
A diameter of 15cm, is highly 30cm, and the liquid storage includes that outer layer is served as a contrast and internal layer, and internal layer is using identical with the TiAl powder to be atomized
The TiAl alloy of component is made, and internal layer thickness is 1cm, and induction melting crucible bottom is connected to described liquid storage by mozzle
Bag, mozzle is provided with opening/closing mechanism, and liquid storage bag bottom connects swirl atomizer by mozzle, and described swirl atomizer is circle
Plate-like, a diameter of 10cm, the outside of the swirl atomizer is symmetrically provided with 4 leakage fluid drams, a diameter of 3cm of leakage fluid dram, leakage fluid dram
Opening direction is the normal direction of disk, and leakage fluid dram is provided with the magnetic valve with PLC control system dedicated radio link, can pass through
Control system realizes the opening and closing of pulsed, and swirl atomizer surrounding is accordingly provided with 4 inert gas nozzles, inert gas
Leakage fluid dram melt throws away direction when nozzle direction just rotates to swirl atomizer；Spray chamber lower section is provided with collecting chamber, in collecting chamber
It is provided with cyclone separator and ultrasonic vibrating screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260479.8A CN106735278B (en) | 2016-12-30 | 2016-12-30 | A kind of atomization preparing apparatus of TiAl powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260479.8A CN106735278B (en) | 2016-12-30 | 2016-12-30 | A kind of atomization preparing apparatus of TiAl powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106735278A true CN106735278A (en) | 2017-05-31 |
| CN106735278B CN106735278B (en) | 2018-09-18 |
Family
ID=58954847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260479.8A Expired - Fee Related CN106735278B (en) | 2016-12-30 | 2016-12-30 | A kind of atomization preparing apparatus of TiAl powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106735278B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024419A1 (en) * | 2017-08-04 | 2019-02-07 | 米亚索乐装备集成（福建）有限公司 | Atomization device and method for preparing metal alloy powder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02133502A (en) * | 1988-11-12 | 1990-05-22 | Sumitomo Metal Ind Ltd | Manufacturing method of metal composite powder |
| JPH07224305A (en) * | 1994-02-08 | 1995-08-22 | Fukuda Metal Foil & Powder Co Ltd | Production device for metal powder |
| EP1356882A1 (en) * | 2002-04-04 | 2003-10-29 | Capital Technology GmbH | Device for producing metal powder |
| CN1532012A (en) * | 2003-03-20 | 2004-09-29 | 云南昆阳磷肥厂 | Method of pelletizing high temperature alloy liquid |
| CN205128928U (en) * | 2015-12-03 | 2016-04-06 | 湖南恒基粉末科技有限责任公司 | Prepare fine spherical metal powder's low -cost atomizing device |
-
2016
- 2016-12-30 CN CN201611260479.8A patent/CN106735278B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02133502A (en) * | 1988-11-12 | 1990-05-22 | Sumitomo Metal Ind Ltd | Manufacturing method of metal composite powder |
| JPH07224305A (en) * | 1994-02-08 | 1995-08-22 | Fukuda Metal Foil & Powder Co Ltd | Production device for metal powder |
| EP1356882A1 (en) * | 2002-04-04 | 2003-10-29 | Capital Technology GmbH | Device for producing metal powder |
| CN1532012A (en) * | 2003-03-20 | 2004-09-29 | 云南昆阳磷肥厂 | Method of pelletizing high temperature alloy liquid |
| CN205128928U (en) * | 2015-12-03 | 2016-04-06 | 湖南恒基粉末科技有限责任公司 | Prepare fine spherical metal powder's low -cost atomizing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024419A1 (en) * | 2017-08-04 | 2019-02-07 | 米亚索乐装备集成（福建）有限公司 | Atomization device and method for preparing metal alloy powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106735278B (en) | 2018-09-18 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20191230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |