CN107824120A - It is a kind of that there is the superhigh temperature reactor for extending plasma arcs area - Google Patents
It is a kind of that there is the superhigh temperature reactor for extending plasma arcs area Download PDFInfo
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- CN107824120A CN107824120A CN201711222458.1A CN201711222458A CN107824120A CN 107824120 A CN107824120 A CN 107824120A CN 201711222458 A CN201711222458 A CN 201711222458A CN 107824120 A CN107824120 A CN 107824120A
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- Prior art keywords
- gas
- cavity
- reactor
- plasma arcs
- superhigh temperature
- 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.)
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 22
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 37
- 150000002500 ions Chemical class 0.000 description 6
- 239000000112 cooling gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma Technology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of superhigh temperature reactor for having and extending plasma arcs area, the reactor includes columnar reaction cavity, the gas cooling cavity being adapted with reaction cavity profile and the liquid cooling cavity being adapted with gas cooling passage, wherein, reaction cavity inwall or its liner, formed by infusibility high temperature alloy by Precision Machining, circulate compressed air in gas cooling cavity, circulate cooling water in liquid cooling cavity, by controlling the pressure and flow, the pressure and flow of the control cooling water of compressed air, the temperature of reactor can be controlled.The powder body material prepared using the reactor can more fully absorb energy in the reaction zone of extension, realize more fully spheroidization process, obtain the powder body material that spherical rate is higher, diameter of particle distribution is narrower.
Description
Technical field
The invention belongs to plasma generating equipment field, and in particular to a kind of to have the superelevation for extending plasma arcs area
Warm reactor.
Background technology
Ultra-high temperature plasma has temperature height (~104DEG C), plasma torch volume is big, energy density is high, electrodeless
Pollution, heat transfer and cooling velocity it is fast the advantages that, be prepare component is uniform, sphericity is high, the spherical powder of good fluidity it is good
Approach.Using plasma as thermal source, there is larger technical advantage especially in terms of refractory metal spheroidising.Radio frequency (RF) etc.
For gas ions during spheroidising powder, its high temperature, which provides enough energy, makes powder be inhaled rapidly when passing through plasma
Heat, melting, and the polycondensation globulate under surface tension effects, quenching, which condenses, within the extremely short time forms spherical powder.Deng
Ion melting and spheroidizing technology is considered as to obtain one of fine and close, regular spherical particle most effective means.But obtain at present
Powder body material, spherical rate is low, and particle size distribution range is wide, has a strong impact on the performance of spherical powder material.
The content of the invention
In order at least solve one of technical problem existing for prior art mentioned above, have the invention discloses one kind and prolong
The superhigh temperature reactor in long plasma arcs area, it is characterised in that the reactor includes columnar reaction cavity, the reaction
Cavity sets the gas cooling cavity being adapted with the reaction cavity profile outside, set outside the gas cooling cavity with it is described
The liquid cooling cavity that gas cooling cavity is adapted.The reactor can effectively extend High temperature ion Ti Hu areas, powder body material
Can more fully absorb energy in the reaction zone of extension, realize more fully spheroidization process, obtain spherical rate it is higher,
Diameter of particle is distributed narrower powder body material.
As alternative embodiment of the present invention, the reaction cavity inwall with the superhigh temperature reactor for extending plasma arcs area
It can be formed by infusibility high temperature alloy by Precision Machining.
Further, as the present invention more preferred embodiment, have and extend in the superhigh temperature reactor in plasma arcs area,
Prepare reaction cavity inwall infusibility high temperature alloy can include using molybdenum, niobium, tantalum, tungsten as matrix high-temperature material.
Alternative embodiment is disclosed as the present invention, the gas cooling with the superhigh temperature reactor for extending plasma arcs area
In cavity, circulation compressed air can be set, and by controlling the pressure and flow of the compressed air, control the temperature of reactor
Degree.
Alternative embodiment is disclosed as the present invention, the liquid cooling with the superhigh temperature reactor for extending plasma arcs area
In cavity, circulation cooling water can be set, and by controlling the pressure and flow of the cooling water, control the temperature of reactor.
Alternative embodiment is disclosed as the present invention, the reaction cavity with the superhigh temperature reactor for extending plasma arcs area
Liner is inside provided with, the liner can be formed by infusibility high temperature alloy by Precision Machining.
Alternative embodiment is disclosed as the present invention, the gas cooling with the superhigh temperature reactor for extending plasma arcs area
At least two gas pipelines are provided with the cavity of cavity, at least one of which gas pipeline is connected with cooling source of the gas, at least
Other in which gas pipeline is connected with gas discharging apparatus；At least two are provided with the cavity of the liquid cooling cavity
Fluid pipeline, at least one of which fluid pipeline are connected with cooling liquid source, and another fluid pipeline is arranged with liquid at least within
Device is put to be connected.
As alternative embodiment of the present invention, have the gas pipeline for the superhigh temperature reactor for extending plasma arcs area nested
It is arranged in the fluid pipeline, forms sleeve structure.
Alternative embodiment is disclosed as the present invention, the gas cooling with the superhigh temperature reactor for extending plasma arcs area
Two gas pipelines are provided with the cavity of cavity, and two gas pipelines are symmetricly set on the lateral surface of reactor one end；
Distinguish supporting setting fluid pipeline, the passage formed between gas pipeline and the fluid pipeline of supporting setting with two gas pipelines
As fluid passage；And gas pipeline and fluid pipeline are arranged far from one end of reactor outlet.
Alternative embodiment is disclosed as the present invention, the gas pipeline with the superhigh temperature reactor for extending plasma arcs area
The corresponding supporting setting in outlet fluid pipeline entrance.
Reactor disclosed by the invention can effectively extend High temperature ion Ti Hu areas, can make ultra-high temperature plasma arc area
Temperature maintains 8000~15000 degrees Celsius of high temperature for a long time, and powder body material can be more abundant in the reaction zone of extension
Energy is absorbed, realizes more fully spheroidization process, obtains the powder body material that spherical rate is higher, diameter of particle distribution is narrower.
Brief description of the drawings
Fig. 1, which has, extends plasma superhigh temperature structure of reactor schematic diagram
The partial structurtes enlarged diagram of superhigh temperature reactor in Fig. 2 Fig. 1
Reference
The outer cylinder of cylinder 3 in 1 inner cylinder 2
The second gas interface of 4 liner, 5 first gas interface 6
The fluid pipeline of 7 first fluidic interface, 8 second liquid interface 9
10 gas pipelines
Embodiment
Special word " embodiment " herein, should not necessarily be construed as being better than as any embodiment illustrated by " exemplary " or
It is better than other embodiments.Testing performance index in this law embodiment, unless stated otherwise, using this area conventional methods.
It should be understood that heretofore described term is only to describe special embodiment, being not intended to limit disclosed by the invention
Content.
Unless otherwise stated, technical and scientific terms used herein has the invention art
The identical meanings that those of ordinary skill is generally understood that.Referred both to as other not especially dated raw material, the reagents in the present invention
Usually used raw material and reagent in the art.
In order to better illustrate present invention, numerous details is given in specific embodiment below.This
Art personnel should be appreciated that no some details, and the present invention can equally be implemented.In embodiment, for ability
Certain methods, means, instrument, equipment, raw material composition, molecular structure etc. are not described in detail known to field technique personnel, so as to
In the purport for highlighting the present invention.
It is disclosed by the invention that there is the superhigh temperature reactor for extending plasma arcs area, including formed by inner cylinder 1 anti-
Cavity is answered, middle cylinder 2 is coaxially disposed outside inner cylinder 1, the cavity formed between inner cylinder 1 and middle cylinder 2 can be used as gas cold
But cavity, middle cylinder 2 are coaxially disposed outer cylinder 3, the cavity formed between middle cylinder 2 and outer cylinder 3, liquid can be used as cold outside
But cavity.The reactor can effectively extend High temperature ion Ti Hu areas, and powder body material can more fill in the reaction zone of extension
Divide and absorb energy, realize more fully spheroidization process, obtain the powder material that spherical rate is higher, diameter of particle distribution is narrower
Material.
Reaction cavity inwall with the superhigh temperature reactor for extending plasma arcs area can be passed through by infusibility high temperature alloy
Precision Machining is crossed to form.Inwall can be wholely set machine-shaping with inner cylinder 1, can also be used as liner 4, independent machine-shaping
Assembled afterwards with inner cylinder 1, obtain being provided with the reaction cavity of liner 4.
As reaction cavity inwall or the material of liner 4, can be made up of infusibility high-temperature alloy.For example, with infusibility
High temperature alloy molybdenum, niobium, tantalum and tungsten etc. are matrix, addition solution strengthening element formed with carbide precipitation phase and thermal processing method
The high-temperature material of reinforcing.Infusibility high temperature alloy therein, can be as matrix or with several members using one of which element
Element is combined as matrix, is prepared.
In gas cooling cavity with the superhigh temperature reactor for extending plasma arcs area, circulation compression can be set empty
Gas, and by controlling the pressure and flow of the compressed air, and then change the size of its flow, take away unnecessary conduction heat
Amount, control the temperature of reactor；In liquid cooling cavity, circulation cooling water can be set, and by controlling the cooling water
Pressure and flow, control the temperature of reactor.And then can ensure whole reactor outer wall temperature be maintained at one can be with
In the range of bearing.
As shown in Figure 1 has the superhigh temperature reactor embodiment for extending plasma arcs area, and Fig. 2 is that its partial structurtes is put
Big schematic diagram.Inner cylinder 1 forms the reaction cavity of reactor, and inwall is provided with liner 4, and its shape is adapted with inner cylinder 1,
The outlet of reaction cavity is 11, the cylinder 2 in the outer, coaxial sleeve of inner cylinder 1 is set, shape between inner cylinder 1 and middle cylinder 2
Into cavity, gas cooling cavity can be used as；The lateral surface of cylinder 2 in the other end of the reactor cavity away from its outlet 11
On, be symmetrically arranged with two gas pipelines 10, the gas pipeline 10 respectively with first gas interface 5 and the phase of second gas interface 6
Connection；First gas interface 5 and second gas interface 6 connect cooling gas source and gas discharging apparatus respectively；In middle cylinder 2
Outer, coaxial sleeve sets outer cylinder 3, forms cavity between middle cylinder 2 and outer cylinder 3, can be used as liquid cooling cavity；
The position of gas pipeline is provided with, and gas pipeline 10 is supporting is coaxially disposed fluid pipeline 9, and fluid pipeline 9 is arranged on outer cylinder 3
On, it is connected with liquid cooling cavity；Fluid pipeline 9 is connected with the first fluidic interface 7 and second liquid interface 8 respectively, the
One fluidic interface 7 and second liquid interface 8 are connected with cooling liquid source and cooling liquid tapping equipment respectively.In the present embodiment
In, cooling gas is the air of normal pressure and temperature, and cooling gas inlet is first gas interface 5, and cooling gas outlet is the second gas
Body interface 6, cooling liquid are the water of normal pressure and temperature, and cooling liquid entrance is the first fluidic interface 7, and cooling liquid outlet is second
Fluidic interface 8.
Reactor disclosed by the invention can effectively extend High temperature ion Ti Hu areas, can make ultra-high temperature plasma arc area
Temperature maintains 8000~15000 degrees Celsius of high temperature for a long time, and powder body material can be more abundant in the reaction zone of extension
Energy is absorbed, realizes more fully spheroidization process, obtains the powder body material that spherical rate is higher, diameter of particle distribution is narrower.
Schematical embodiment disclosed by the invention is the foregoing is only, is not departing from present inventive concept and principle
On the premise of, equivalent variations and modification that any those skilled in the art is made, it is claimed that the present invention all should be belonged to
Scope.
Claims (10)
1. a kind of have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that the reactor includes columnar
Reaction cavity, the reaction cavity set the gas cooling cavity being adapted with the reaction cavity profile outside, and the gas is cold
But cavity sets the liquid cooling cavity being adapted with the gas cooling cavity outside.
2. according to claim 1 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that described anti-
The inwall of cavity is answered to be formed by infusibility high temperature alloy by Precision Machining.
3. according to claim 2 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that the difficulty
Molten high temperature alloy include using molybdenum, niobium, tantalum, tungsten as matrix high-temperature material.
4. according to claim 1 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that the gas
In body cooling cavity, circulate compressed air, by controlling the pressure and flow of the compressed air, controls the temperature of reactor.
5. according to claim 1 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that the liquid
In body cooling cavity, circulate cooling water, by controlling the pressure and flow of the cooling water, controls the temperature of reactor.
6. according to claim 1 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that described anti-
Answer and liner is provided with cavity, the liner is formed by infusibility high temperature alloy by Precision Machining.
7. according to claim 1 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that the gas
At least two gas pipelines are provided with the cavity of body cooling cavity, at least one of which gas pipeline is connected with cooling source of the gas
Logical, another gas pipeline is connected with gas discharging apparatus at least within；It is provided with the cavity of the liquid cooling cavity
At least two fluid pipelines, at least one of which fluid pipeline connect with cooling liquid source, at least within another fluid pipeline
It is connected with liquid discharge device.
8. according to claim 7 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that the gas
Body pipeline nesting is arranged in the fluid pipeline.
9. according to claim 7 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that the gas
Two gas pipelines are provided with the cavity of body cooling cavity, and described two gas pipelines are symmetricly set on reactor one end
On lateral surface；
Distinguish supporting setting fluid pipeline with described two gas pipelines, the fluid pipeline of the gas pipeline and supporting setting it
Between the passage that is formed as fluid passage；
And the gas pipeline and the fluid pipeline are arranged far from one end of reactor outlet.
10. according to claim 9 have the superhigh temperature reactor for extending plasma arcs area, it is characterised in that described
The entrance of the corresponding supporting fluid pipeline in outlet of gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222458.1A CN107824120A (en) | 2017-11-29 | 2017-11-29 | It is a kind of that there is the superhigh temperature reactor for extending plasma arcs area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222458.1A CN107824120A (en) | 2017-11-29 | 2017-11-29 | It is a kind of that there is the superhigh temperature reactor for extending plasma arcs area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107824120A true CN107824120A (en) | 2018-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222458.1A Pending CN107824120A (en) | 2017-11-29 | 2017-11-29 | It is a kind of that there is the superhigh temperature reactor for extending plasma arcs area |
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| CN (1) | CN107824120A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2595595A1 (en) * | 1986-03-17 | 1987-09-18 | Aubert & Duval Acieries | Method for cooling and collecting metallic powders produced by atomisation of liquid metal |
| US20030156964A1 (en) * | 2000-06-26 | 2003-08-21 | Masami Kikuchi | Method and apparatus for producing magnetic rare earth alloy powder, method for producing bonded magnet, method for producing rare earth sintering magnet, and method and apparatus for improving purity of inert gas |
| CN101391306A (en) * | 2008-11-20 | 2009-03-25 | 核工业西南物理研究院 | Globular titanium micro-powder or ultra-micro powder preparation device and method |
| US20130040067A1 (en) * | 2011-08-11 | 2013-02-14 | Ati Properties, Inc. | Processes, systems, and apparatus for forming products from atomized metals and alloys |
| CN203170970U (en) * | 2013-04-12 | 2013-09-04 | 金堆城钼业股份有限公司 | Direct current plasma temperature field restraining molybdenum powder balling device |
| CN103736435A (en) * | 2013-12-27 | 2014-04-23 | 中国神华能源股份有限公司 | Device and system for spheroidizing powder by using alternating-current plasmas |
| CN103962567A (en) * | 2014-05-31 | 2014-08-06 | 金堆城钼业股份有限公司 | Method and equipment for preparing spherical molybdenum powder |
| CN106817834A (en) * | 2017-02-24 | 2017-06-09 | 中国航天空气动力技术研究院 | A kind of double water-cooled inductance coils of high-frequency induction plasma generator |
| CN107186209A (en) * | 2017-06-09 | 2017-09-22 | 中国航天空气动力技术研究院 | High frequency plasma heater for high-temperature metal powder nodularization |
| CN107282934A (en) * | 2017-06-06 | 2017-10-24 | 中国航天空气动力技术研究院 | A kind of catalytic behavior of materials refractory powder spheroidization apparatus |
| CN207562843U (en) * | 2017-11-29 | 2018-07-03 | 郑州大学 | It is a kind of that there is the superhigh temperature reactor for extending plasma arcs area |
-
2017
- 2017-11-29 CN CN201711222458.1A patent/CN107824120A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2595595A1 (en) * | 1986-03-17 | 1987-09-18 | Aubert & Duval Acieries | Method for cooling and collecting metallic powders produced by atomisation of liquid metal |
| US20030156964A1 (en) * | 2000-06-26 | 2003-08-21 | Masami Kikuchi | Method and apparatus for producing magnetic rare earth alloy powder, method for producing bonded magnet, method for producing rare earth sintering magnet, and method and apparatus for improving purity of inert gas |
| CN101391306A (en) * | 2008-11-20 | 2009-03-25 | 核工业西南物理研究院 | Globular titanium micro-powder or ultra-micro powder preparation device and method |
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| CN203170970U (en) * | 2013-04-12 | 2013-09-04 | 金堆城钼业股份有限公司 | Direct current plasma temperature field restraining molybdenum powder balling device |
| CN103736435A (en) * | 2013-12-27 | 2014-04-23 | 中国神华能源股份有限公司 | Device and system for spheroidizing powder by using alternating-current plasmas |
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| CN106817834A (en) * | 2017-02-24 | 2017-06-09 | 中国航天空气动力技术研究院 | A kind of double water-cooled inductance coils of high-frequency induction plasma generator |
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Application publication date: 20180323 |