CN206981202U - A kind of screening plant of nano material - Google Patents
A kind of screening plant of nano material Download PDFInfo
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- CN206981202U CN206981202U CN201720767002.2U CN201720767002U CN206981202U CN 206981202 U CN206981202 U CN 206981202U CN 201720767002 U CN201720767002 U CN 201720767002U CN 206981202 U CN206981202 U CN 206981202U
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- nano material
- screening plant
- sieve compartment
- wind
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Abstract
The utility model discloses a kind of screening plant of nano material, including nano material storage device, sieve compartment, ion blower and nano material collecting device, the nano material storage device includes discharging opening, the discharging opening has air intake and outlet air end, the ion blower includes air exhausting structure, the air exhausting structure is connected with the air intake, the outlet air end is in the sieve compartment, ion blower blows ion wind by air exhausting structure to discharging opening, nano material is blown into sieve compartment under ion wind effect from outlet air end, ion wind can effectively allow the positive and negative charge neutrality of nano material, prevent nanoparticle agglomerates, in the case where ion wind blows, the nano material of different-grain diameter is advanced and settled down after different distances, the nano material of different-grain diameter is advanced and settled down after different distances, realize the screening of particle.
Description
Technical field
It the utility model is related to nano material material sieving technology field, and in particular to a kind of screening plant of nano material.
Background technology
Nanoscale structures material is referred to as nano material, broadly refers at least one-dimensional in three dimensions be in nanometer chi
Spend the general name of scope ultrafine particles material.Nano material is widely used in every field, there is some nano material different-grain diameters
Particle there is different property, if there is some nano material uniform particle diameters, the performance of product can be lifted during use,
So in some cases, the necessary particle diameter to nano material sieves, and obtains the nano material of certain particle size range,
But because the particle diameter of nano material is very small, and majority is all easily reunited, so conventional method for sieving is used to receive
The particle diameter screening of rice material, obtained nano material particle diameter distribution are very uneven.
Utility model content
Technical problem to be solved in the utility model, which is to provide, a kind of can effectively sieve and keep what particle was not reunited
The screening plant of nano material.
Technical solution adopted in the utility model is：
A kind of screening plant of nano material, including nano material storage device, sieve compartment, ion blower, the nanometer
Material storage means include discharging opening, and the discharging opening has air intake and outlet air end, and the ion blower includes air exhausting structure,
The air exhausting structure is connected with the air intake, and the outlet air end is in the sieve compartment.
In some preferred embodiments, the screening plant is also included located at least one of the sieve compartment bottom
Nano material collecting device, the nano material collecting device are used to collect the nano material in the range of certain distance.
In some further preferred embodiments, the nano material collecting device includes collection bucket and collected to hold
Device, the screening plant include at least two collection buckets set along the direction of wind, the bottom of each collection bucket and collection
Container is connected.
In some preferred embodiments, the screening plant also includes at least one piece of wind deflector.
In some further preferred embodiments, the wind deflector includes connected vertical plate and hang plate, described
Vertical plate is connected with the sieve compartment bottom, and the hang plate tilts to the direction of wind from bottom to up.
In some preferred embodiments, the sieve compartment is additionally provided with pulsed differential cabin, for being carried for the sieve compartment
For pulsed differential.
In some preferred embodiments, the top of the sieve compartment is provided with and shakes off device, for by the nanometer of deposition
Material shakes off.
In some preferred embodiments, the side away from the outlet air end fills provided with wind direction correcting in the sieve compartment
Put.
In some further preferred embodiments, the wind direction guide device, which includes at least one piece, to be revolved around trunnion axis
The wind direction correcting plate turned.
The beneficial effects of the utility model are：
The utility model provides a kind of screening plant of nano material, including nano material storage device, sieve compartment, from
Sub- blower fan and nano material collecting device, the nano material storage device include discharging opening, and the discharging opening has air intake
And outlet air end, the ion blower include air exhausting structure, the air exhausting structure is connected with the air intake, and the outlet air end is located at
In the sieve compartment, ion blower blows ion wind by air exhausting structure to discharging opening, and nano material is under ion wind effect from going out
Wind end is blown into sieve compartment, and the nano material of different-grain diameter is advanced and settled down after different distances, realizes the screening of particle.Adopt
Nano material is blowed with ion wind, the nano material is disperseed and separated the nano material of different-grain diameter scope, ion wind
The electrical neutralization of nano material can be facilitated, prevent nano material from reuniting, in the case where ion wind blows, the nano material of different-grain diameter
Settled down after different distance of advancing, the big particle of particle diameter settles in distance closer to the distance, and the small particle of particle diameter is farther out
Distance sedimentation, the sedimentation of certain distance scope nano material particle diameter than more uniform, can also can by adjusting air quantity
To adjust the travel distance of particle, certain particle size range is can be obtained by by collecting the nano material of sedimentation of each distance range
Nano material, that is, realize the screening of nano material.
Brief description of the drawings
Fig. 1 is the structural representation of screening plant.
Embodiment
Embodiment 1：
The utility model provides a kind of method for sieving of nano material, comprises the following steps：Blowed and received using ion wind
Rice material, the nano material is disperseed and separates the nano material of different-grain diameter scope.The nano material is carbon nanometer
Any of ball, CNT, nano-oxide particles, nano-metal particle, graphene.The air quantity of the ion wind is
35-600CFM.The method for sieving also includes setting at least one nano material collecting device along the direction of wind, described to receive
Rice material collection device is used for the nano material for collecting certain particle size range.Ion wind can facilitate the electrical of nano material
Neutralize, prevent nano material from reuniting, in the case where ion wind blows, the nano material of different-grain diameter is advanced settle after different distances under
Come, the big particle of particle diameter settles in distance closer to the distance, and the small particle of particle diameter settles in larger distance, in certain distance model
The particle diameter of the nano material for the sedimentation enclosed can also can adjust the travel distance of particle than more uniform by adjusting air quantity, lead to
The nano material for crossing the sedimentation for collecting each distance range can be obtained by the nano material of certain particle size range, that is, realize nanometer
The screening of material.
Reference picture 1, the utility model additionally provide a kind of screening plant for being used to realize above-mentioned method for sieving, including nanometer
Material storage means, sieve compartment 1, ion blower 2 and nano material collecting device.The sieve compartment 1 is closed chamber.It is described
Nano material storage device includes storage container 3, and the bottom of the storage container 3 is spiral discharging section 4, the spiral discharging section
Bottom be discharging opening 17, the discharging opening 17 has air intake 5 and outlet air end 6, and the ion blower 2 includes air exhausting structure 7,
The air exhausting structure 7 is connected with the air intake 5, and the outlet air end 6 is in the sieve compartment 1.The screening plant also wraps
At least one nano material collecting device located at the bottom of sieve compartment 1 is included, the nano material collecting device is used to collect
Fall the nano material in the range of certain distance.The nano material collecting device includes collection bucket 8 and collection vessel 9, each institute
The bottom for stating collection bucket 8 is connected with collection vessel 9.In the present embodiment, direction of the screening plant along wind is provided with four
Individual collection bucket 8, dropped along first, the direction of wind collection bucket 8 for collection apart from the horizontal range 0-1m of outlet air end 6
Distance range in nano material, second collection bucket 8 drop apart from the horizontal range 1-2m of outlet air end 6 for collection
Distance range in nano material, the 3rd collection bucket 8 drop apart from the horizontal range 2-3m of outlet air end 6 for collection
Distance range in nano material, second collection bucket 8 drop apart from the horizontal range 3-4m of outlet air end 6 for collection
Distance range in nano material.
The screening plant also includes at least one piece of wind deflector 10.The wind deflector 10 includes connected vertical plate 11 and inclined
Swash plate 12, the vertical plate 10 are connected with the bottom of sieve compartment 1, and the hang plate 12 inclines to the direction of wind from bottom to up
Tiltedly.In the present embodiment, screening plant includes the three pieces of wind deflectors 10 set along wind direction, is respectively arranged on described in distance
Wind end horizontal range 1m, 2m, 3m position, and got over along the direction of wind, the height of the vertical plate 11 of each piece of wind deflector
Come higher.
The sieve compartment 1 is additionally provided with pulsed differential cabin 13, and the pulsed differential cabin 13 is located at the top of the sieve compartment 1,
For providing pulsed differential for the sieve compartment 1, the screening speed of nano material can not only be improved, a nanometer material can also be improved
The screening precision of material.The phenomenon is mainly according to the principle of aerodynamic diameter (aerodynamics equivalent diameter).
Different types of dust (nano particle) is due to the density of dust and the difference of shape, and the dust of same particle diameter is in sky
Sinking speed in gas is different, and the position of deposition is also different, in order to mutually compare, proposes this concept of aerodynamic diameter.
The aerodynamic diameter (Aerodynamic equivalent diameter) of grit refers to the powder of a certain species
Grit, though its shape, size and density how, if its aerial sinking speed and a kind of density for 1 it is spherical
When the sinking speed of particle is the same, then the diameter of this spheroidal particle is the aerodynamic diameter of this kind of powder dust particle.
Aerodynamic diameter has following feature：
1) grit of same aerodynamic diameter is intended to be deposited in the same area in closed conduct.
2) grit of same aerodynamic diameter has identical sinking speed and suspension time in an atmosphere.
3) grit of same aerodynamic diameter when cyclone and other dust arresters by having identical probability.
4) grit of same aerodynamic diameter has identical probability in dust sampling system is entered.
Some depositing nano-materials are had in screening plant running at the top of sieve compartment, are set in order to facilitate cleaning
Standby, in order to ensure that the pulsed differential cabin 13 provides the effect of pressure difference, the top of the sieve compartment 1, which is provided with, shakes off device 14, uses
Shaken off in by the nano material of deposition.In the present embodiment, the device 14 that shakes off is the electric pulse canopy of the heavens, the electric pulse canopy of the heavens
It is covered on the pulsed differential cabin 13, the electric pulse canopy of the heavens can send Sasser and shake off the nano material of deposition.
In a preferred embodiment, in order to ensure the direction of wind, away from the outlet air end 6 in the sieve compartment 1
Side be provided with wind direction guide device.The wind direction guide device can be around the wind direction correcting plate that trunnion axis rotates including at least one piece
15。
In further preferred embodiment, screening plant also includes vacuum dust feeder 16, the vacuum powder feeding dress
Put 16 to be connected with the nano material storage device by pipeline, for nano material to be delivered into the nano material storage dress
Put.
Some carbon nanometer mixing materials (CNT and Nano carbon balls mixing material) are taken, are carried out using above-mentioned screening plant
Screening, setting air quantity is 35-600CFM, the CNT progress granularmetric analysis to being collected into four collection vessels 9, first
The length range for the material being collected into collection vessel 9 is 75-100nm, the length for the material being collected into second collection vessel 9
Degree scope is 70-35nm, and the length range for the material being collected into the 3rd collection vessel 9 is 10-30nm, collects for the 4th and holds
The length range for the CNT being collected into device 9 is 1-10nm.
Claims (9)
- A kind of 1. screening plant of nano material, it is characterised in that including nano material storage device, sieve compartment, ion blower, The nano material storage device includes discharging opening, and the discharging opening has air intake and outlet air end, and the ion blower includes Air exhausting structure, the air exhausting structure are connected with the air intake, and the outlet air end is in the sieve compartment.
- 2. screening plant according to claim 1, it is characterised in that the screening plant also includes being located at the sieve compartment At least one nano material collecting device of bottom, the nano material collecting device fall in the range of certain distance for collection Nano material.
- 3. screening plant according to claim 2, it is characterised in that the nano material collecting device include collection bucket and Collection vessel, the screening plant include at least two collection buckets set along the direction of wind, the bottom of each collection bucket With coated lycopene.
- 4. screening plant according to claim 1, it is characterised in that the screening plant also includes at least one piece of wind-guiding Plate.
- 5. screening plant according to claim 4, it is characterised in that the wind deflector includes connected vertical plate and inclination Plate, the vertical plate are connected with the sieve compartment bottom, and the hang plate tilts to the direction of wind from bottom to up.
- 6. according to the screening plant described in claim any one of 1-5, it is characterised in that the sieve compartment is additionally provided with pulsed differential Cabin, for providing pulsed differential for the sieve compartment.
- 7. according to the screening plant described in claim any one of 1-5, it is characterised in that the top of the sieve compartment is provided with and shaken off Device, for the nano material of deposition to be shaken off.
- 8. according to the screening plant described in claim any one of 1-5, it is characterised in that away from the air-out in the sieve compartment The side at end is provided with wind direction guide device.
- 9. screening plant according to claim 8, it is characterised in that the wind direction guide device includes at least one piece can be around The wind direction correcting plate of trunnion axis rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767002.2U CN206981202U (en) | 2017-06-28 | 2017-06-28 | A kind of screening plant of nano material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767002.2U CN206981202U (en) | 2017-06-28 | 2017-06-28 | A kind of screening plant of nano material |
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| CN206981202U true CN206981202U (en) | 2018-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108822596A (en) * | 2018-06-04 | 2018-11-16 | 深圳市哈德胜精密科技股份有限公司 | A kind of laser absorbent and its preparation method and application |
-
2017
- 2017-06-28 CN CN201720767002.2U patent/CN206981202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108822596A (en) * | 2018-06-04 | 2018-11-16 | 深圳市哈德胜精密科技股份有限公司 | A kind of laser absorbent and its preparation method and application |
| CN108822596B (en) * | 2018-06-04 | 2020-12-15 | 深圳市哈德胜精密科技股份有限公司 | Laser absorber and preparation method and application thereof |
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