CN109014225A - Globular metallic powder preparation facilities reactor and globular metallic powder preparation facilities - Google Patents
Globular metallic powder preparation facilities reactor and globular metallic powder preparation facilities Download PDFInfo
- Publication number
- CN109014225A CN109014225A CN201811207588.2A CN201811207588A CN109014225A CN 109014225 A CN109014225 A CN 109014225A CN 201811207588 A CN201811207588 A CN 201811207588A CN 109014225 A CN109014225 A CN 109014225A
- Authority
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- Prior art keywords
- preparation facilities
- reaction chamber
- chamber
- metallic powder
- powder preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000011229 interlayer Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 33
- 239000000463 material Substances 0.000 abstract description 7
- 239000011261 inert gas Substances 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000003116 impacting effect Effects 0.000 abstract description 2
- 239000011734 sodium Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000889 atomisation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 4
- 238000012387 aerosolization Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000009689 gas atomisation Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B22F9/082—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 atomising using a fluid
-
- 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
- B22F9/082—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 atomising using a fluid
- B22F2009/0832—Handling of atomising fluid, e.g. heating, cooling, cleaning, recirculating
-
- 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
- B22F9/082—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 atomising using a fluid
- B22F2009/088—Fluid nozzles, e.g. angle, distance
-
- 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
- B22F9/082—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 atomising using a fluid
- B22F2009/0888—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 atomising using a fluid casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
Abstract
The invention discloses globular metallic powder preparation facilities reactors, including reaction chamber, gas nozzle is provided on the reaction chamber, the outer wall of the reaction chamber is equipped with heat transfer mechanism, the heat transfer mechanism includes gas heating chamber and cooling chamber, the gas heating chamber is contacted with reacting outdoor wall, and is connected to the gas nozzle, and the cooling chamber is contacted with gas heating chamber.The invention also discloses a kind of globular metallic powder preparation facilities using above-mentioned reactor.It is an advantage of the current invention that the heat using reaction chamber heats inert gas, it is ensured that air-flow, with certain temperature, avoids that blocking package phenomenon occurs, improve material property when impacting molten metal；The temperature of powder high-pressure inert gas usually processed is -69 DEG C or so, and cooling medium is generally room temperature, utilizes the reactor, gas two-way absorption heat out of reaction chamber wall body and cooling chamber is heated, also cooled down simultaneously to cooling medium, energy consumption, save the cost is effectively reduced.
Description
Technical field
The invention belongs to the preparation facilities technical fields of increasing material manufacturing globular metallic powder, and in particular to a kind of spherical gold
Belong to powder preparing unit reactor and globular metallic powder preparation facilities.
Background technique
Increases material manufacturing technology, also known as 3D printing technique are that the whole world is first in the past 30 years as a kind of non-traditional processing technology
A kind of advanced manufacturing technology for collecting light, mechanical, electrical, computer, numerically-controlled machine tool, new material etc. with one risen into manufacturing field.
Currently, dusty material used in metal material increasing field is globular metallic powder, main preparation methods packet
Include vacuum induction gas atomization (VIGA), electrode induction gas atomization (EIGA), plasma atomization process (PA), radio frequency etc.
Ion spheroidizing process (PS), ultrasonic atomization technique etc..The common feature of above-mentioned various methods be all formed in reaction chamber it is small
Granular metal liquid, then through rapidly cooling to form spherical powder.In aerosolization technology, high-speed flow impact fusion molten metal it
Before, after air-flow is heated, atomization process can be significantly improved, so that atomization success rate, material properties are promoted.Conventional at present
Powder manufacturing apparatus is heated such as electric heater unit to gas by being equipped with independent gas-heating apparatus.In addition, in powder processed
The molten metal bath of process high temperature meeting knock-on reaction chamber interior walls under the impact of air-flow, cause reaction chamber temperature to increase, to protect
Normal powder processed is demonstrate,proved, needs to be equipped with cooling equipment and cools down to reaction chamber, common cooling equipment is water cooling plant, cooling water one
As be room temperature, when use, also needs to cool down to it.
Summary of the invention
Technical problem to be solved by the present invention lies in: existing fuel pulverizing plant needs to be equipped with gas-heating apparatus and reaction chamber
Cooling device, leading to it, energy consumption is high, at high cost.
The present invention solves above-mentioned technical problem using following technical scheme:
Globular metallic powder preparation facilities reactor, including reaction chamber are provided with gas nozzle on the reaction chamber, institute
The outer wall for stating reaction chamber is equipped with heat transfer mechanism, and the heat transfer mechanism includes gas heating chamber and cooling chamber, the gas
Heating chamber is contacted with reacting outdoor wall, and is connected to the gas nozzle, and the cooling chamber is contacted with gas heating chamber.
Preferably, globular metallic powder preparation facilities reactor of the present invention is set on the outer wall of the reaction chamber
There is the intraformational bed being connected with gas nozzle, the intraformational bed is equipped with outside sandwich, the intraformational bed structure away from the side of reaction chamber
At the gas heating chamber, the outside sandwich constitutes the cooling chamber.
Preferably, globular metallic powder preparation facilities reactor of the present invention, the outer wall of the reaction chamber are submitted
It is alternately disposed with first runner and second flow channel, the first runner is connected to constitute the gas heating with the gas nozzle
Chamber, the second flow channel constitute the cooling chamber.
Preferably, globular metallic powder preparation facilities reactor of the present invention, the first runner and second
Road in the shape of a spiral, and surround reaction chamber.
Preferably, globular metallic powder preparation facilities reactor of the present invention, the reacting outdoor wall are equipped with
One interlayer, the interlayer is interior to be divided into multiple first runners and multiple second flow channels by partition.
Preferably, globular metallic powder preparation facilities reactor of the present invention, the outer wall of the reaction chamber are submitted
The first slot and the second slot are alternately offered, cover board is also covered on reacting outdoor wall, between first slot and cover board described in formation
First runner forms the second flow channel between second slot and cover board.
The present invention also provides a kind of globular metallic powder preparation facilities comprising reactor, the reactor are above-mentioned
Spherical metal put preparation facilities reactor.
The technology of the present invention the utility model has the advantages that
Technical solution of the present invention introduces gas heating chamber on reacting outdoor wall, using reaction chamber wall body heat to lazy
Property gas heated, with certain temperature, avoid that blocking package phenomenon occurs to ensure air-flow when impacting molten metal, improve material
Expect performance；The temperature of powder high-pressure inert gas usually processed is -69 DEG C or so, and cooling medium is generally room temperature, utilizes the reaction
Device, gas two-way absorption heat out of reaction chamber wall body and cooling chamber is heated, while also being cooled down to cooling medium, is had
Effect reduces energy consumption, save the cost.
Detailed description of the invention
Fig. 1 is the cross-sectional view of globular metallic powder preparation facilities reactor described in the embodiment of the present invention one；
Fig. 2 is the cross-sectional view of globular metallic powder preparation facilities reactor described in the embodiment of the present invention two；
Fig. 3 is the cross-sectional view of globular metallic powder preparation facilities reactor described in the embodiment of the present invention three.
Specific embodiment
For convenient for those skilled in the art understand that technical solution of the present invention, now in conjunction with Figure of description to the technology of the present invention side
Case is described further.
It is as shown in Figure 1 globular metallic powder preparation facilities reactor of the present invention comprising reaction chamber 1, instead
It answers the upper end of room 1 to be provided with gas nozzle 2, heat transfer mechanism 3, the hot transmitting machine is provided on the outer wall of reaction chamber 1
Structure 3 include gas heating chamber 31 and waterway 32, wherein the gas heating chamber 31 is contacted with the outer wall of reaction chamber 1, and with institute
State the connection of gas nozzle 2；The waterway 32 is contacted with gas heating chamber 31.In powder processed, high pressure inert gas gas coming through adds
Hot 31 inflow gas nozzle of chamber, during this, high pressure inert air-flow can be absorbed from the wall body and waterway 32 of reaction chamber 1 heat into
Row preheating, prepares globular metallic powder to impact fusion molten metal.
It is illustrated below by way of structure of the specific embodiment to the globular metallic powder preparation facilities reactor.
Embodiment one
Refering to fig. 1, it is provided with intraformational bed on the outer wall of the reaction chamber 1, which is connected with the gas nozzle 2
To constitute the gas heating chamber 31；The side away from reaction chamber 1 of intraformational bed is provided with outside sandwich, which is constituted
The waterway 32.
It is passed through room temperature cooling water when powder processed, in outside sandwich, high pressure inert air-flow is passed through in intraformational bed, high pressure inert air-flow exists
During intraformational bed inflow gas nozzle 2, heat exchange, two-way absorption can be carried out with the wall body and outside sandwich of reaction chamber 1
Heat is reached and sprays powder processed by gas nozzle 2 after certain temperature effectively to be heated to high pressure inert air-flow.
Embodiment two
It is the diagrammatic cross-section of globular metallic powder preparation facilities reactor described in the present embodiment, at this shown in Fig. 2
In embodiment, first runner and second flow channel, the first runner and institute are alternately disposed on the outer wall of the reaction chamber 1
The connection of gas nozzle 2 is stated to constitute the gas heating chamber 31, the second flow channel constitutes the cooling chamber 32.
Specifically, the outer wall of the reaction chamber 1 is equipped with an interlayer, passes through partition 33 in the interlayer and is divided into several
The first runner and several described second flow channels.
Preferably, the first runner and second flow channel are helical form and surround reaction chamber 1, it is able to extend gas in this way
The length of body heating chamber 31 enables the wall of air-flow, reaction chamber 1 substantially more to realize heat exchange, further improves high pressure
The heating effect of inert gas.
Embodiment three
It is the cross-sectional view of globular metallic powder preparation facilities reactor described in the present embodiment, the present embodiment described in Fig. 3
It is that first runner, the generation type of second flow channel are different from the difference of embodiment two, is by being realized with flowering structure:
The first slot and the second slot are alternately offered on the outer wall of the reaction chamber 1, and cover board 34, institute are also covered on 1 outer wall of reaction chamber
It states and forms the first runner between the first slot and cover board 34, form the second flow channel between second slot and cover board 34.
Example IV
Present embodiments provide a kind of globular metallic powder preparation facilities comprising reactor, the reactor are real
Apply any reactor of the example one into embodiment three.Here globular metallic powder preparation facilities includes vacuum induction aerosolization
Powder manufacturing apparatus, plasma powder by atomization equipment, radio frequency plasma nodularization powder manufacturing apparatus, surpasses electrode induction gas-atomized powder equipment
Sound wave powder by atomization equipment etc..
Technical solution of the present invention is exemplarily described invention above in conjunction with attached drawing, it is clear that present invention specific implementation
It is not subject to the restrictions described above, changes as long as using the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out
Into, or it is not improved the conception and technical scheme of invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (7)
1. globular metallic powder preparation facilities reactor, including reaction chamber, it is provided with gas nozzle on the reaction chamber, it is special
Sign is, the outer wall of the reaction chamber is equipped with heat transfer mechanism, and the heat transfer mechanism includes gas heating chamber and cooling chamber,
The gas heating chamber is contacted with reacting outdoor wall, and is connected to the gas nozzle, and the cooling chamber connects with gas heating chamber
Touching.
2. globular metallic powder preparation facilities reactor according to claim 1, which is characterized in that the reaction chamber
Outer wall is equipped with the intraformational bed being connected with gas nozzle, and the intraformational bed is equipped with outside sandwich away from the side of reaction chamber, described
Intraformational bed constitutes the gas heating chamber, and the outside sandwich constitutes the cooling chamber.
3. globular metallic powder preparation facilities reactor according to claim 1, which is characterized in that the reaction chamber
First runner and second flow channel are alternately disposed on outer wall, the first runner is connected to described to constitute with the gas nozzle
Gas heating chamber, the second flow channel constitute the cooling chamber.
4. globular metallic powder preparation facilities reactor according to claim 3, which is characterized in that the first runner
In the shape of a spiral with second flow channel, and around reaction chamber.
5. globular metallic powder preparation facilities reactor according to claim 3 or 4, which is characterized in that the reaction
Chamber outer wall is equipped with an interlayer, and the interlayer is interior to be divided into the first runner and the second flow channel by partition.
6. globular metallic powder preparation facilities reactor according to claim 3 or 4, which is characterized in that the reaction
The first slot and the second slot are alternately offered on the outer wall of room, and cover board, first slot and lid are also covered on reacting outdoor wall
The first runner is formed between plate, forms the second flow channel between second slot and cover board.
7. globular metallic powder preparation facilities comprising reactor, which is characterized in that the reactor is appointed for claim 1-6
Spherical metal described in one puts preparation facilities reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207588.2A CN109014225A (en) | 2018-10-17 | 2018-10-17 | Globular metallic powder preparation facilities reactor and globular metallic powder preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207588.2A CN109014225A (en) | 2018-10-17 | 2018-10-17 | Globular metallic powder preparation facilities reactor and globular metallic powder preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109014225A true CN109014225A (en) | 2018-12-18 |
Family
ID=64613066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811207588.2A Pending CN109014225A (en) | 2018-10-17 | 2018-10-17 | Globular metallic powder preparation facilities reactor and globular metallic powder preparation facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109014225A (en) |
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| CN208913140U (en) * | 2018-10-17 | 2019-05-31 | 中国科学院高能物理研究所 | Globular metallic powder preparation facilities reactor and globular metallic powder preparation facilities |
-
2018
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| GB1092883A (en) * | 1963-06-10 | 1967-11-29 | Laporte Titanium Ltd | Improvements in and relating to the manufacture of oxides |
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