CN109909510A - The preparation facilities and its preparation process of the extra-fine nickel powder of high-purity high uniformity - Google Patents
The preparation facilities and its preparation process of the extra-fine nickel powder of high-purity high uniformity Download PDFInfo
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- CN109909510A CN109909510A CN201910257062.3A CN201910257062A CN109909510A CN 109909510 A CN109909510 A CN 109909510A CN 201910257062 A CN201910257062 A CN 201910257062A CN 109909510 A CN109909510 A CN 109909510A
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- water
- nickel powder
- extra
- apopore
- reaction kettle
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 239000003595 mist Substances 0.000 claims abstract description 26
- 238000009692 water atomization Methods 0.000 claims abstract description 23
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 235000012054 meals Nutrition 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000011344 liquid material Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The preparation facilities and its preparation process of a kind of extra-fine nickel powder of high-purity high uniformity of the present invention, it includes electric frequency furnace, water atomization reaction kettle, high-pressure hydraulic pump, baking oven and screen-dividing machine；It is equipped with water atomization reaction kettle below the electricity frequency furnace, the water atomization reaction kettle is connect with high-pressure hydraulic pump, and water atomization reaction kettle side is equipped with baking oven, and the baking oven side is equipped with screen-dividing machine；A water mist device is equipped in the water atomization reaction kettle.Nickel liquid is broken up rapidly solidification cooling in focal spot, obtains the extra-fine nickel powder of high-purity high uniformity by the present invention in the inclined bottom surface aperture of water mist device so that high pressure water collects in a focus point in material fall route.
Description
Technical field
The present invention relates to metal-powder preparation technical field more particularly to a kind of extra-fine nickel powders of high-purity high uniformity
Preparation facilities and its preparation process.
Background technique
Extra-fine nickel powder unique electromagnetically, catalytic and performances such as big skin effect and bulk effect with its, make its
Electrocondution slurry, battery material, magnetic material, suction involve the fields such as special coating and are widely applied.In recent years, with China
Industrial expansion sharply increases the demand of extra-fine nickel powder, while putting forward higher requirements to the performance of extra-fine nickel powder.
Currently, there are many preparation process of extra-fine nickel powder, method of the China for industrialized production extra-fine nickel powder is mainly liquid
Phase reduction method and vaporization condensation process, there are the problem of mainly performance be: crystallinity is not high, and size distribution is wide, uneven, dispersibility
Difference and surface characteristic difference etc., are not able to satisfy demand of the high-end field to extra-fine nickel powder.Therefore, China is in terms of extra-fine nickel powder preparation
It also needs further perfect, develops new technology of preparing.
Atomization-thermal decomposition method is that presoma mother liquor is generated micron-sized droplet by high speed atomisation device and is brought by air-flow
It is thermally decomposed in high-temperature reactor, obtains the superfine powdery material of uniform grading.Preparing average particle size particle size is 35mm's
Nickel powder.This method is a kind of important method for producing particle with unique properties, and prepare ultra-fine nano-powder one kind be suitble to
The important method of technical pure production.In the early 1990s, Nagashima etc. is proposed in H2/ N2Ultrasonic atomizatio-heat point in atmosphere
Solve Ni(NO3) 6H2O and NiCl2・6H2O can get nickel powder.The high energy dispersion mechanism of ultrasonic wave is mainly utilized, by object
Presoma mother liquor generates micron-sized droplet by ultrasonic atomizer, and heat point occurs in high-temperature reactor as gas carrier enters
Solution reaction, to obtain the superfine powdery material of uniform particle sizes.Wang et al. is preparing nano nickel using low pressure atomizing-pyrolysismethod
When powder, by the comparative study to presoma mother liquid concentration, reducing agent type, gas flow rate and pressure, find gas flow rate and
Pressure influences the granularity of powder, pattern and crystal grain maximum.Therefore, the technology and equipment of this method has much room for improvement.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of preparation of the extra-fine nickel powder of high-purity high uniformity dresses
It sets and its preparation process, save the cost, obtains the superfine powder of high-purity high uniformity.
The object of the present invention is achieved like this:
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity, it includes electric frequency furnace, water atomization reaction kettle, high pressure water
Pump, baking oven and screen-dividing machine；Water atomization reaction kettle is equipped with below the electricity frequency furnace, the water atomization reaction kettle and high-pressure hydraulic pump connect
It connects, water atomization reaction kettle side is equipped with baking oven, and the baking oven side is equipped with screen-dividing machine；
The water atomization reaction kettle includes autoclave body, fluid guidance port, water inlet, water mist device and discharge port；The autoclave body top surface is equipped with
One fluid guidance port, the fluid guidance port are funnel-shaped；The autoclave body side wall is equipped with a water inlet, is equipped with one in the autoclave body
Water mist device, the water mist device are connect by water pipe with water inlet, and the water mist device is arranged immediately below fluid guidance port, on the autoclave body
Portion's outer wall is equipped with several steam drains；The autoclave body bottom is equipped with a discharge port, is provided with a collection below the discharge port
Material pond.
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity, the screen-dividing machine include point set gradually up and down
Screen layers, the outer wall of the sub-sieve layer are equipped with meal outlet, are equipped with aggregate tube below the meal outlet.
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity, the water mist device includes main body, feed inlet, first
Apopore and water are blurted out；The main body is a hollow cylindrical tube, is equipped with a feed inlet, institute at the center of the main body
The side for stating main body is equipped with a water and blurts out, and the bottom surface of the main body is equipped with first apopore of circle, first apopore
It is obliquely installed, the hole wall of first apopore and the axial A in an angle of charging, the water outlet in the first apopore of a circle
Direction comes together in a focus point.
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity, the included angle A are 25 ° ~ 35 °.
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity, the aperture of first apopore be 0.5mm ~
0.9mm。
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity, the focus point are public apart from body floor 9 ~ 11
Point.
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity is additionally provided with a circle second on the bottom surface of the main body
Apopore, second apopore are obliquely installed, hole wall and the axial B in an angle of charging of second apopore, described
Water discharging direction in one the second apopore of circle comes together in the focus point of the first apopore.
A kind of preparation process of the extra-fine nickel powder of high-purity high uniformity, it the following steps are included:
One, nickel screen waste material is poured into electric frequency stove heating；
Two, after scrap melting is nickel water, the overturning of electric frequency furnace is toppled over, nickel water is made to enter water atomization reaction kettle, opens high pressure water
Pump, nickel water by fluid guidance port vertically into water mist device, under high pressure water flushing, broken up rapidly in focal spot, is then coagulated by liquid material
Admittedly being cooled to powder, nickel powder is collected to aggregate pool；
Three, the nickel powder in aggregate pool is poured into baking oven heating, drying；
Four, the nickel powder after drying is poured into screen-dividing machine and carries out gradation sizing, obtain the extra-fine nickel powder of high-purity high uniformity.
The heating temperature of a kind of preparation method of the extra-fine nickel powder of high-purity high uniformity, the electricity frequency furnace is greater than 1500
℃；The pressure of the high-pressure hydraulic pump is set as 9 ~ 11MPa.
Compared with prior art, the beneficial effects of the present invention are:
The present invention utilizes 1500 DEG C of high temperature that scrap melting at nickel water, is entered reaction kettle by funnel-form feed inlet, in autoclave body
It is provided with special water mist device, in the bottom surface aperture of water mist device, aperture is obliquely installed, so that high pressure water collects in material whereabouts road
A focus point on line, which is located at 10 centimeters or so of atomizer bottom surface, using the freezing point of nickel liquid, in focal spot
Nickel liquid is broken up into rapidly solidification and is cooled to powder, baking oven heating, drying is entered after collection, screen-dividing machine gradation sizing is finally entered, obtains
To the extra-fine nickel powder of high-purity high uniformity.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of water atomization reaction kettle of the invention.
Fig. 3 is the structural schematic diagram of water mist device of the invention.
Fig. 4 is the diagrammatic cross-section of water mist device of the invention.
Wherein:
Electric frequency furnace 1, water atomization reaction kettle 2, autoclave body 2.1, fluid guidance port 2.2, water inlet 2.3, water mist device 2.4, main body 2.4.1, into
Material mouth 2.4.2, the first apopore 2.4.3, the second apopore 2.4.4, water blurt out 2.4.5, steam drain 2.5, discharge port 2.6, collection
Material pond 2.7, support frame 2.8, high-pressure hydraulic pump 3, baking oven 4, screen-dividing machine 5.
Specific embodiment
A kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity of the present invention, it includes electric frequency furnace 1, water mist
Change reaction kettle 2, high-pressure hydraulic pump 3, baking oven 4 and screen-dividing machine 5；1 top surface of electricity frequency furnace is equipped with feeding inlet, and feeding inlet is connected with strip
Slot discharges convenient for overturning electric frequency furnace 1 after fusing, is equipped with water atomization reaction kettle 2 below the electricity frequency furnace 1, the water atomization is anti-
Kettle 2 is answered to connect with high-pressure hydraulic pump 3,2 side of water atomization reaction kettle is equipped with baking oven 4, and 4 bottom of baking oven is equipped with heating tube,
For heating, drying, 4 side of baking oven is equipped with screen-dividing machine 5, and the screen-dividing machine 5 includes the sub-sieve layer set gradually up and down, institute
The outer wall for stating sub-sieve layer is equipped with meal outlet, is equipped with aggregate tube below the meal outlet.
The water atomization reaction kettle 2 includes autoclave body 2.1, fluid guidance port 2.2, water inlet 2.3, water mist device 2.4 and discharge port
2.6。
2.1 top surface of autoclave body is equipped with a fluid guidance port 2.2, and the fluid guidance port 2.2 is funnel-shaped；The autoclave body 2.1
Side wall is equipped with a water inlet 2.3, is equipped with a water mist device 2.4 in the autoclave body 2.1, the water mist device 2.4 passes through water pipe
It is connect with water inlet 2.3, immediately below fluid guidance port 2.2,2.1 external wall of upper portion of autoclave body is equipped with for the setting of water mist device 2.4
Several steam drains 2.5, for arranging steam；2.1 bottom of autoclave body is equipped with a discharge port 2.6, sets below the discharge port 2.6
It is equipped with an aggregate pool 2.7,2.1 lower outside of autoclave body is provided with the support of support frame 2.8.
The water mist device 2.4 includes that main body 2.4.1, feed inlet 2.4.2, the first apopore 2.4.3 and water are blurted out 2.4.5.
The main body 2.4.1 is a hollow cylindrical tube, is equipped with a feed inlet at the center of the main body 2.4.1
2.4.2, the feed inlet 2.4.2 is funnel-shaped；The side of the main body 2.4.1 is equipped with a water and blurts out 2.4.5, the water punching
Mouth 2.4.5 is connect by water pipe with high-pressure hydraulic pump.
The bottom surface of the main body 2.4.1 is equipped with the first apopore of circle 2.4.3, the first apopore 2.4.3 rule
Arrangement, the first apopore 2.4.3 are obliquely installed, and the hole wall of the first apopore 2.4.3 and charging are axial at a folder
Angle A, the included angle A are 25 ° ~ 35 °, and the aperture of the first apopore 2.4.3 is 0.5mm ~ 0.9mm, and a circle first goes out
Water discharging direction in the 2.4.3 of water hole comes together in a focus point, and the focus point is apart from 9 ~ 11 centimeters of body floor.
The second apopore of circle 2.4.4, the second apopore 2.4.4 rule are additionally provided on the bottom surface of the main body 2.4.1
Rule arrangement, the second apopore 2.4.4 are obliquely installed, and the hole wall of the second apopore 2.4.4 and charging are axial at one
Included angle B, the included angle B are 25 ° ~ 35 °, and the aperture of the second apopore 2.4.4 is 0.5mm ~ 0.9mm, a circle second
Water discharging direction in apopore 2.4.4 comes together in the focus point of the first apopore 2.4.3.
A kind of preparation process of the extra-fine nickel powder of high-purity high uniformity of the present invention, comprising the following steps:
One, nickel screen waste material is poured into electric frequency stove heating, heating temperature is 1500 DEG C；
Two, after scrap melting is nickel water, the overturning of electric frequency furnace is toppled over, nickel water is made to enter water atomization reaction kettle, opens high pressure water
Pump, setting pressure are 10MPa, and nickel water is by fluid guidance port vertically into water mist device, and under the high pressure water flushing of 10MPa, liquid material is poly-
Focal point is broken up rapidly, and then solidification is cooled to powder, and nickel powder is collected to aggregate pool；
Three, the nickel powder in aggregate pool is poured into baking oven heating, drying；
Four, the nickel powder after drying is poured into screen-dividing machine and carries out gradation sizing, obtain the extra-fine nickel powder of high-purity high uniformity.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (10)
1. a kind of preparation facilities of the extra-fine nickel powder of high-purity high uniformity, it is characterised in that: it includes electric frequency furnace (1), water mist
Change reaction kettle (2), high-pressure hydraulic pump (3), baking oven (4) and screen-dividing machine (5)；Water atomization reaction kettle is equipped with below the electricity frequency furnace (1)
(2), the water atomization reaction kettle (2) connect with high-pressure hydraulic pump (3), and water atomization reaction kettle (2) side is equipped with baking oven (4),
Baking oven (4) side is equipped with screen-dividing machine (5)；
(2 include autoclave body (2.1), fluid guidance port (2.2), water inlet (2.3), water mist device (2.4) and discharging to the water atomization reaction kettle
Mouth (2.6)；Autoclave body (2.1) top surface is equipped with a fluid guidance port (2.2), and the fluid guidance port (2.2) is funnel-shaped；The kettle
Body (2.1) side wall is equipped with a water inlet (2.3), is equipped with a water mist device (2.4), the water mist in the autoclave body (2.1)
Device (2.4) is connect by water pipe with water inlet (2.3), and water mist device (2.4) setting is immediately below fluid guidance port (2.2)；It is described
Autoclave body (2.1) bottom is equipped with a discharge port (2.6).
2. the preparation facilities of the extra-fine nickel powder of high-purity high uniformity according to claim 1, it is characterised in that: described point
Screen(ing) machine (5) includes the sub-sieve layer set gradually up and down, and the outer wall of the sub-sieve layer is equipped with meal outlet, sets below the meal outlet
There is aggregate tube.
3. the preparation facilities of the extra-fine nickel powder of high-purity high uniformity according to claim 1, it is characterised in that: the kettle
Body (2.1) external wall of upper portion is equipped with several steam drains (2.5), is provided with an aggregate pool below the discharge port (2.6)
(2.7).
4. the preparation facilities of the extra-fine nickel powder of high-purity high uniformity according to claim 1, it is characterised in that: the water
Day with fog 2.4 includes that main body (2.4.1), feed inlet (2.4.2), the first apopore (2.4.3) and water blurt out (2.4.5)；The master
Body (2.4.1) is a hollow cylindrical tube, is equipped with a feed inlet (2.4.2), institute at the center of the main body (2.4.1)
The side for stating main body (2.4.1) is equipped with a water and blurts out (2.4.5), and the bottom surface of the main body (2.4.1) is equipped with a circle first
Apopore (2.4.3), first apopore (2.4.3) are obliquely installed, the hole wall of first apopore (2.4.3) and charging
Axially in an angle (A), the water discharging direction in a circle the first apopore (2.4.3) comes together in a focus point.
5. the preparation facilities of the extra-fine nickel powder of high-purity high uniformity according to claim 1, it is characterised in that: the folder
Angle A is 25 ° ~ 35 °.
6. the preparation facilities of the extra-fine nickel powder of high-purity high uniformity according to claim 1, it is characterised in that: described
The aperture of one apopore (2.4.3) is 0.5mm ~ 0.9mm.
7. the preparation facilities of the extra-fine nickel powder of high-purity high uniformity according to claim 1, it is characterised in that: described poly-
9 ~ 11 centimeters of focal length body floor.
8. the preparation facilities of the extra-fine nickel powder of high-purity high uniformity according to claim 1, it is characterised in that: the master
Second apopore of circle (2.4.4) is additionally provided on the bottom surface of body (2.4.1), second apopore (2.4.4) is obliquely installed, institute
The hole wall and the axial B in an angle of charging of the second apopore (2.4.4) are stated, described one encloses in the second apopore (2.4.4)
Water discharging direction comes together in the focus point of the first apopore (2.4.3).
9. a kind of preparation method of the extra-fine nickel powder of high-purity high uniformity, it is characterised in that: it the following steps are included:
One, nickel screen waste material is poured into electric frequency stove heating；
Two, after scrap melting is nickel water, the overturning of electric frequency furnace is toppled over, nickel water is made to enter water atomization reaction kettle, opens high pressure water
Pump, nickel water by fluid guidance port vertically into water mist device, under high pressure water flushing, broken up rapidly in focal spot, is then coagulated by liquid material
Admittedly being cooled to powder, nickel powder is collected to aggregate pool；
Three, the nickel powder in aggregate pool is poured into baking oven heating, drying；
Four, the nickel powder after drying is poured into screen-dividing machine and carries out gradation sizing, obtain the extra-fine nickel powder of high-purity high uniformity.
10. a kind of preparation method of the extra-fine nickel powder of high-purity high uniformity according to claim 9, it is characterised in that:
The heating temperature of the electricity frequency furnace is greater than 1500 DEG C；The pressure of the high-pressure hydraulic pump is set as 9 ~ 11MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257062.3A CN109909510A (en) | 2019-04-01 | 2019-04-01 | The preparation facilities and its preparation process of the extra-fine nickel powder of high-purity high uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257062.3A CN109909510A (en) | 2019-04-01 | 2019-04-01 | The preparation facilities and its preparation process of the extra-fine nickel powder of high-purity high uniformity |
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| Publication Number | Publication Date |
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| CN109909510A true CN109909510A (en) | 2019-06-21 |
Family
ID=66967989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257062.3A Pending CN109909510A (en) | 2019-04-01 | 2019-04-01 | The preparation facilities and its preparation process of the extra-fine nickel powder of high-purity high uniformity |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020035891A1 (en) * | 1997-09-05 | 2002-03-28 | Kawatetsu Mining Co., Ltd. | Ultrafine nickel powder |
| CN1383949A (en) * | 2002-02-26 | 2002-12-11 | 江苏华强纳米工程技术开发有限公司 | Prepn process of superfine high-purity nickel powder with waste netted nickel plate |
| CN102000828A (en) * | 2010-09-26 | 2011-04-06 | 王昌祺 | Metal ultrafine atomizing, crushing and grading system and metal atomizing device thereof |
| CN202701383U (en) * | 2012-07-12 | 2013-01-30 | 江阴市镍网厂有限公司 | Device for producing nickel powder by utilizing waste nickel screen piece |
| CN103600084A (en) * | 2013-09-12 | 2014-02-26 | 苏州米莫金属科技有限公司 | Powder metallurgy high-pressure water atomization pulverizing device |
| CN104107919A (en) * | 2013-04-16 | 2014-10-22 | 株洲火炬工业炉有限责任公司 | High-pressure water atomizing nozzle |
| CN204565119U (en) * | 2015-02-09 | 2015-08-19 | 焦作正恒实业有限公司 | A kind of water atomization spray dish |
| CN210132056U (en) * | 2019-04-01 | 2020-03-10 | 江苏双宇镍业高科有限公司 | Preparation facilities of superfine nickel powder of high purity high homogeneity |
-
2019
- 2019-04-01 CN CN201910257062.3A patent/CN109909510A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020035891A1 (en) * | 1997-09-05 | 2002-03-28 | Kawatetsu Mining Co., Ltd. | Ultrafine nickel powder |
| CN1383949A (en) * | 2002-02-26 | 2002-12-11 | 江苏华强纳米工程技术开发有限公司 | Prepn process of superfine high-purity nickel powder with waste netted nickel plate |
| CN102000828A (en) * | 2010-09-26 | 2011-04-06 | 王昌祺 | Metal ultrafine atomizing, crushing and grading system and metal atomizing device thereof |
| CN202701383U (en) * | 2012-07-12 | 2013-01-30 | 江阴市镍网厂有限公司 | Device for producing nickel powder by utilizing waste nickel screen piece |
| CN104107919A (en) * | 2013-04-16 | 2014-10-22 | 株洲火炬工业炉有限责任公司 | High-pressure water atomizing nozzle |
| CN103600084A (en) * | 2013-09-12 | 2014-02-26 | 苏州米莫金属科技有限公司 | Powder metallurgy high-pressure water atomization pulverizing device |
| CN204565119U (en) * | 2015-02-09 | 2015-08-19 | 焦作正恒实业有限公司 | A kind of water atomization spray dish |
| CN210132056U (en) * | 2019-04-01 | 2020-03-10 | 江苏双宇镍业高科有限公司 | Preparation facilities of superfine nickel powder of high purity high homogeneity |
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