CN106219536A - A kind of Graphene intellectuality preparation method - Google Patents
A kind of Graphene intellectuality preparation method Download PDFInfo
- Publication number
- CN106219536A CN106219536A CN201610753004.6A CN201610753004A CN106219536A CN 106219536 A CN106219536 A CN 106219536A CN 201610753004 A CN201610753004 A CN 201610753004A CN 106219536 A CN106219536 A CN 106219536A
- Authority
- CN
- China
- Prior art keywords
- graphene
- graphite
- pressure distribution
- liquid
- console
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/22—Electronic properties
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The invention belongs to Graphene and manufacture equipment technology field, be specifically related to a kind of Graphene intellectuality preparation method, automatization's formula can produce high-quality graphene product；Its concrete technology includes that material filling, graphite lift-off processing, good pressure distribution process and be spray-dried four steps；Employing full-automatic intelligent produces, all materials fully-automatic production the most under sealed conditions, decrease manual operation error, improve quality of graphene, Mechanical Method is prepared Graphene and is not used the strong oxidizing property heavy metallic salts such as substantial amounts of sulphuric acid and potassium permanganate, the feature of environmental protection is strong, the Graphene zero defect obtained, good conductivity；Its Graphene production technology principle is reliable, and applied environment is friendly.
Description
Technical field:
The invention belongs to Graphene complete manufacture equipment technology field, be specifically related to a kind of Graphene intellectuality preparation side
Method, automatization's formula can produce high-quality graphene product.
Background technology:
The two dimensional crystal of the hexagon cellular structure that Graphene is made up of with sp2 hybrid orbital monolayer carbon atom；This spy
Different structure also gives the many peculiar performances of Graphene, and such as Graphene is the thinnest material the highest with intensity；
The light transmittance of Graphene only has 2.3%, nearly transparent；Under room temperature, the electron mobility of Graphene is more than 15000cm2/ V s, and
Resistivity only about 10-8Ω m, for the material that resistivity is minimum；The heat conductivity of Graphene is up to 5300W/m K, compares Buddha's warrior attendant
Stone is taller.The at present conventional method preparing Graphene mainly includes following several: mechanical stripping method, oxidation-reduction method, outer
Epitaxial growth, chemical vapour deposition technique；Oxidation-reduction method refers to use strong oxidizer by graphite under conditions of concentrated sulphuric acid exists
Lamella aoxidizes, and interlamellar spacing increases, and obtains graphite oxide, and graphite oxide Surface oxygen-containing groups increases, and has stronger hydrophilic,
Water can obtain graphene oxide through ultrasonic, then obtain reduced graphene by reduction.Oxidation-reduction method produces Graphene
Process uses substantial amounts of concentrated sulphuric acid and heavy metallic salt, has a huge impact environment；After graphite is oxidized simultaneously, lattice is tied
Structure is by considerable damage, and original performance is lost significantly, and equipment can be caused corrosion by strong oxidizer and concentrated sulphuric acid, is greatly shortened
Service life of equipment, adds production cost.Although epitaxial growth method and chemical vapour deposition technique can obtain quality relatively
High Graphene, but large-scale production and high cost Graphene cannot be made cannot to realize large-scale application.Machinery stripping
From method be use cheap graphite be material, production process will not introduce concentrated sulphuric acid and strong oxidizer, directly use machinery
Shearing force breaks the Van der Waals force of graphite layers, peels off graphite；Graphene zero defect prepared by this mode, electric conductivity
Well, environmental protection is pollution-free；But production process is the most extensive at present, and manual intervention process is more, does not has complete intelligentized
Graphene manufacture is equipped, and this can produce considerable influence to the quality of Graphene.It is complete that present Mechanical Method prepares high-quality graphene
Intelligent equipment becomes market exigence, therefore seeks to design a kind of Graphene intellectuality preparation method to reduce artificial behaviour
Make the error existed, it is achieved Graphene intellectuality produces, reduces cost, improves efficiency, environmental protection, there is good economic effect
Benefit and social benefit.
Summary of the invention:
It is an object of the invention to the shortcoming overcoming prior art to exist, seek to design a kind of Graphene intellectuality preparation side
Method, makes graphite powder fully shear stripping by arranging high speed shear device, ultrasonic oscillator and good pressure distribution device, forms graphite
Alkene powder body.
To achieve these goals, the present invention completes in the complete intelligent preparation facilities of Graphene, and concrete technology includes
Material filling, graphite lift-off processing, good pressure distribution process and four steps of spray drying:
(1), material filling: controlled the liquid material of weight needed for liquid inlet opening adds in reactor by console,
The liquid material weight added is carried out feedback control by the electronic scale arranged bottom reactor；Liquid material filling after, then by
Control platform controls powder body charging aperture and adds the graphite composite powder material of required weight, the graphite composite powder weight of material of addition in reactor
Feedback control is carried out by the electronic scale arranged bottom reactor；
(2), graphite lift-off processing: after material filling, console control high speed shear device and open, material is existed
High speed shear stripping is carried out under 100-5000rpm rotating speed；After high speed shear device runs 5 minutes, open ultrasonic oscillator, simultaneously
Graphite powder material under fluid conditions is peeled off until granularity monitor monitors under 0.2-5KW power ultrasonic shakes
When granularity is 10-50 μm, closing high-speed clipper and ultrasonic oscillator, obtain graphite and peel off material；
(3), good pressure distribution process: while closing high-speed clipper and ultrasonic oscillator open good pressure distribution device and
Switch valve, peels off material by the graphite prepared by step (2) in a kettle. and sends in good pressure distribution device, be then turned on hydraulic pressure
Graphite is peeled off material and is forced into applying 10-300MPa and flows to nozzle by check valve by pump, and graphite is peeled off material and passed through
Nozzle forms two strands and clashes to high pressure liquid stream ejection at a high speed so that graphite is peeled off material refinement and formed graphene dispersion
Liquid；
(4), it is spray-dried: the graphene dispersing solution making step (3) be formed enters in storage tank, and the liquid level in storage tank passes
When the graphene dispersing solution that sensor monitoring is injected is to predetermined water level, good pressure distribution device cuts out；It is then turned on exsiccator and peristaltic pump,
Graphene dispersing solution sprays in exsiccator after passing through aerosol apparatus with the speed of 1-3000ml/min under the promotion of peristaltic pump,
Being dried at a temperature of 80-200 DEG C and form graphene powder, recovery gets product.
The agent structure of the complete intelligent preparation facilities of Graphene that the present embodiment relates to includes that liquid inlet opening, powder body enter
Material mouth, high speed shear device, ultrasonic oscillator, reactor, electronic scale, granularity monitor, good pressure distribution device, storage tank, liquid level
Sensor, peristaltic pump, exsiccator, console, switch valve, nozzle, check valve, pipeline, aerosol apparatus, hydraulic pump；Console is independent
It is arranged on outside complete intelligent other all parts of preparation facilities of Graphene and is connected with other all parts electrical information, in order to control
Detect the working condition of other all parts and control the opening and closing of other all parts；Liquid inlet opening and powder body charging
Mouth is separately positioned on the upper end of reactor, and electronic scale is arranged on the bottom of reactor, in order to by the most anti-for the gross weight of reactor
Feed console, prepare the liquid material of Graphene and graphite composite powder material respectively by liquid inlet opening and powder body charging aperture
Reactor is entered under the control of console；High speed shear device is arranged on the upper and lower two ends of reactor, in order to entering in reactor
Liquid material and graphite powder material carry out high speed shear；Reactor is internally provided with multiple ultrasonic wave concussion device, in order to thing
Material carries out ultrasonic wave concussion stripping；Granularity Detection device is arranged on reactor inside so that the granularity of on-line monitoring material changes shape
State；Good pressure distribution device is arranged on the outside of reactor, is connected with reactor by switch valve and pipeline, in order to through reactor
The material processed carries out good pressure distribution；The bottom of good pressure distribution device is provided with hydraulic pump, in order to pressurize material, hydraulic pressure
The internal left and right sides of pump is symmetrically arranged with two check valves, in order to shunt the material after pressurization；Good pressure distribution device upper
Portion has been arranged oppositely two nozzles, a diameter of 10 μm-1mm of nozzle, in order to two strands of materials of pressurization are realized ejection at a high speed；Storage
Batch can is connected with high speed disperser by pipeline, in order to the material that storage processed through high speed disperser, the top of storage tank
Being respectively arranged with liquid level sensor with bottom, liquid level sensor is connected with high speed disperser electrical information, in order to control high speed dispersion
The opening and closing of device；Exsiccator is connected with storage tank by switch valve, peristaltic pump and pipeline, in order to carry out the material entered
Spraying heated drying；Peristaltic pump is arranged in the pipeline that storage tank stretches out, in order to controls material and at the uniform velocity enters in exsiccator；Aerosol apparatus
The top being arranged on exsiccator is connected with pipeline, in order to spray the material entered.
The agent structure of the console that the present embodiment relates to includes that centre console switch, a key produce touch screen, display screen, report
Warning lamp, operation button and scram button；Between console with other each parts, electrical information is connected, to control and to protect whole graphite
The operation of the complete intelligent preparation facilities of alkene and safety；Display screen is arranged on the top of console, to show each component working
Status information；It is provided with a key on console halfpace and produces touch screen, in order to use touch control type operation to control in display screen
The operation of shown parts；Multiple alarm lamp and operation button, each alarm lamp and behaviour it is correspondingly arranged on console halfpace
Making the corresponding parts of button, in the work of operation this button corresponding component of button control, alarm lamp shows that its corresponding component is
No fault；Scram button is arranged on the side of operation button, in order to when component malfunction, whole Graphene out of service becomes
The operation of the intelligent preparation facilities of set；Centre console switch is arranged on the side of console, to switch console.
The present invention compared with prior art, uses full-automatic intelligent to produce, and all materials are the most complete
Automatically produce, decrease manual operation error, improve quality of graphene；Complete equipment only needs a people in console control, fall
Low cost of labor, automated production improves conforming product rate；Mechanical Method prepare Graphene do not use substantial amounts of sulphuric acid and
The strong oxidizing property heavy metallic salts such as potassium permanganate, therefore equipment will not cause corrosion to connect and reduce production cost, and the feature of environmental protection is strong,
The Graphene zero defect arrived, good conductivity；Its Graphene production technology principle is reliable, reasonable in design, and apparatus structure is simple, operation
Convenient, applied environment is friendly.
Accompanying drawing illustrates:
Fig. 1 is the graphene preparation method process flow diagram that the present invention relates to.
Fig. 2 is the agent structure principle schematic of the complete intelligent preparation facilities of the Graphene that the present invention relates to.
Fig. 3 is the console agent structure principle schematic that the present invention relates to.
Fig. 4 is the electron scanning micrograph of the Graphene that the present invention produces.
Specific embodiment:
Below by embodiment and combine accompanying drawing the present invention will be further described.
Embodiment 1:
The complete intelligent preparation of Graphene that the present embodiment relates to is to complete in the complete intelligent preparation facilities of Graphene
, concrete preparation technology includes that material filling, graphite lift-off processing, good pressure distribution process and four steps of spray drying:
(1), material filling: controlled liquid inlet opening 1 by console 13 and add the liquids of required weight in reactor 5
Material, the liquid material weight of addition is carried out feedback control by the electronic scale 6 arranged bottom reactor 5；After liquid material filling, then
Controlled powder body charging aperture 2 by console 13 in reactor 5, add the graphite composite powder material of required weight, the graphite composite powder of addition
Weight of material is carried out feedback control by the electronic scale 6 arranged bottom reactor 5；
(2), graphite lift-off processing: after material filling, console 13 control high speed shear device 3 and open, to material
High speed shear stripping is carried out under 100-5000rpm rotating speed；After high speed shear device 3 runs 5 minutes, open ultrasonic oscillator 4,
Graphite powder material under fluid conditions is peeled off until granularity monitor 7 under 0.2-5KW power ultrasonic shakes simultaneously
Monitor granularity when being 10-50 μm, closing high-speed clipper 3 and ultrasonic oscillator 7, obtain graphite and peel off material；
(3), good pressure distribution processes: open good pressure distribution device while closing high-speed clipper 3 and ultrasonic oscillator 7
8 and switch valve 14, the graphite prepared by step (2) in reactor 5 is peeled off material and sends in good pressure distribution device 8, then
Open hydraulic pump 19 graphite stripping material is forced into applying 10-300MPa and flows to nozzle 15, stone by check valve 16
Ink stripping material forms two strands by nozzle 15 and clashes to high pressure liquid stream ejection at a high speed so that graphite is peeled off material and refined
Form graphene dispersing solution；
(4), it is spray-dried: the graphene dispersing solution making step (3) be formed enters in storage tank 9, the liquid level in storage tank 9
When the graphene dispersing solution that sensor 10 monitoring is injected is to predetermined water level, good pressure distribution device 8 cuts out；It is then turned on exsiccator 12 He
Peristaltic pump 11, graphene dispersing solution sprays into after passing through aerosol apparatus 18 with the speed of 1-3000ml/min under the promotion of peristaltic pump 11
In exsiccator 12, being dried and form graphene powder at a temperature of 80-200 DEG C, recovery gets product.
The agent structure of the complete intelligent preparation facilities of Graphene that the present embodiment relates to includes liquid inlet opening 1, powder body
Charging aperture 2, high speed shear device 3, ultrasonic oscillator 4, reactor 5, electronic scale 6, granularity monitor 7, good pressure distribution device 8, storage
Batch can 9, liquid level sensor 10, peristaltic pump 11, exsiccator 12, console 13, switch valve 14, nozzle 15, check valve 16, pipeline
17, aerosol apparatus 18, hydraulic pump 19；Console 13 is independently arranged at outside complete intelligent other all parts of preparation facilities of Graphene
It is connected with other all parts electrical information, in order to control detect the working condition of other all parts and control other all parts
Opening and closing；Liquid inlet opening 1 and powder body charging aperture 2 are separately positioned on the upper end of reactor 5, and electronic scale 6 is arranged on instead
Answer the bottom of still 5, in order to by the gross weight Real-time Feedback of reactor 5 to console 13, prepare Graphene liquid material and
Graphite composite powder material enters reactor 5 by liquid inlet opening 1 and powder body charging aperture 2 respectively under the control of console 13；High
Speed clipper 3 is arranged on reactor about 5 two ends, in order to liquid material and graphite powder material to entering in reactor 5 are carried out
High speed shear；Reactor 5 is internally provided with multiple ultrasonic wave concussion device 4, in order to material is carried out ultrasonic wave concussion stripping；Granularity
It is internal so that the granularity variable condition of on-line monitoring material that detector 7 is arranged on reactor 5；Good pressure distribution device 8 is arranged on reaction
The outside of still 5, is connected with reactor by switch valve 14 and pipeline 17, in order to carry out the material processed through reactor 5
Good pressure distribution；The bottom of good pressure distribution device 8 is provided with hydraulic pump 19, in order to pressurize material, about hydraulic pump 19 inside
Lateral symmetry is provided with two check valves 16, in order to shunt the material after pressurization；The top of good pressure distribution device 8 is to setting
It is equipped with two nozzles 15, a diameter of 10 μm-1mm of nozzle 15, in order to two strands of materials of pressurization are realized ejection at a high speed；Storage tank
9 are connected with high speed disperser 8 by pipeline 17, in order to store the material processed through high speed disperser 8, storage tank 9 upper
Portion and bottom are respectively arranged with liquid level sensor 10, and liquid level sensor 10 is connected with high speed disperser 8 electrical information, in order to control height
The opening and closing of speed disperser 8；Exsiccator 12 is connected with storage tank 9 by switch valve 14, peristaltic pump 11 and pipeline 17, in order to
The material entered is carried out heated drying of spraying；Peristaltic pump 11 is arranged in the pipeline 17 that storage tank 9 stretches out, in order to control material even
Speed enters in exsiccator 12；Aerosol apparatus 18 is arranged on the top of exsiccator 12 and is connected with pipeline 17, in order to enter the material entered
Row spraying.
The agent structure of the console 13 that the present embodiment relates to include centre console switch 131, key produce touch screen 132,
Display screen 133, alarm lamp 134, operation button 135 and scram button 136；Between console 13 and other each parts, dot information is even
Connect, to control and to protect operation and the safety of the complete intelligent preparation facilities of whole Graphene；Display screen 133 is arranged on console
The top of 13, to show the status information of each component working；It is provided with a key on console 13 halfpace and produces touch screen
132, in order to use touch control type operation to control the operation of shown parts in display screen 133；Correspondence on console 13 halfpace
Multiple alarm lamp 134 and operation button 135, each alarm lamp 134 and the corresponding parts of operation button 135 are set, in operation
Button 135 controls the work of this button corresponding component, and alarm lamp 134 shows its corresponding component whether fault；Scram button 136 sets
Put the side at operation button 135, in order to the complete intelligent preparation dress of whole Graphene out of service when component malfunction
The operation put；Centre console switch 131 is arranged on the side of console 13, to switch console 13.
Claims (1)
1. a Graphene intellectuality preparation method, it is characterised in that concrete preparation technology includes at material filling, graphite stripping
Reason, good pressure distribution process and four steps of spray drying:
(1), material filling: controlled liquid inlet opening by console and add the liquid material of required weight in reactor, add
Liquid material weight by bottom reactor arrange electronic scale carry out feedback control；After liquid material filling, then by console
Controlling powder body charging aperture and add the graphite composite powder material of required weight in reactor, the graphite composite powder weight of material of addition is by instead
The electronic scale answering bottom portion to arrange carries out feedback control；
(2), graphite lift-off processing: after material filling, console control high speed shear device and open, to material at 100-
High speed shear stripping is carried out under 5000rpm rotating speed；After high speed shear device runs 5 minutes, open ultrasonic oscillator, simultaneously to liquid
Graphite powder material under concrete conditions in the establishment of a specific crime carries out peeling off until granularity monitor monitors granularity under 0.2-5KW power ultrasonic shakes
During for 10-50 μm, closing high-speed clipper and ultrasonic oscillator, obtain graphite and peel off material；
(3), good pressure distribution processes: open good pressure distribution device and switch while closing high-speed clipper and ultrasonic oscillator
Valve, peels off material by the graphite prepared by step (2) in a kettle. and sends in good pressure distribution device, be then turned on hydraulic pump pair
Graphite is peeled off material and is carried out being forced into applying 10-300MPa and flowing to nozzle by check valve, and graphite is peeled off material and passed through nozzle
Form two strands to clash to high pressure liquid stream ejection at a high speed so that graphite is peeled off material refinement and formed graphene dispersing solution；
(4), it is spray-dried: the graphene dispersing solution making step (3) be formed enters in storage tank, the liquid level sensor in storage tank
When the graphene dispersing solution that monitoring is injected is to predetermined water level, good pressure distribution device cuts out；It is then turned on exsiccator and peristaltic pump, graphite
Alkene dispersion liquid sprays in exsiccator, at 80-200 after passing through aerosol apparatus with the speed of 1-3000ml/min under the promotion of peristaltic pump
Being dried at a temperature of DEG C and form graphene powder, recovery gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753004.6A CN106219536B (en) | 2016-08-29 | 2016-08-29 | A kind of graphene intelligence preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753004.6A CN106219536B (en) | 2016-08-29 | 2016-08-29 | A kind of graphene intelligence preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106219536A true CN106219536A (en) | 2016-12-14 |
| CN106219536B CN106219536B (en) | 2018-08-17 |
Family
ID=58071351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610753004.6A Active CN106219536B (en) | 2016-08-29 | 2016-08-29 | A kind of graphene intelligence preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106219536B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744893A (en) * | 2016-12-19 | 2017-05-31 | 厦门大学 | The controllable adding set of oxidant that batch prepares Graphene quality can be improved |
| CN108584926A (en) * | 2018-05-23 | 2018-09-28 | 大同新成新材料股份有限公司 | A kind of micro crystal graphite prepares graphene method |
| CN109791822A (en) * | 2017-08-09 | 2019-05-21 | 住友理工株式会社 | The manufacturing method of conductive film |
| CN117617149A (en) * | 2024-01-26 | 2024-03-01 | 四川金艾格农牧机械有限公司 | Automatic feeding device and system suitable for stacked poultry cultivation cage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417538A (en) * | 2016-01-11 | 2016-03-23 | 王惠丽 | Method for preparing graphene through jet flow pretreatment |
| CN105540575A (en) * | 2016-01-28 | 2016-05-04 | 成都新柯力化工科技有限公司 | Method for preparing graphene by using high-pressure homogenizer delamination |
| CN105668556A (en) * | 2016-01-12 | 2016-06-15 | 王惠丽 | Method for preparing large-sized graphene |
-
2016
- 2016-08-29 CN CN201610753004.6A patent/CN106219536B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417538A (en) * | 2016-01-11 | 2016-03-23 | 王惠丽 | Method for preparing graphene through jet flow pretreatment |
| CN105668556A (en) * | 2016-01-12 | 2016-06-15 | 王惠丽 | Method for preparing large-sized graphene |
| CN105540575A (en) * | 2016-01-28 | 2016-05-04 | 成都新柯力化工科技有限公司 | Method for preparing graphene by using high-pressure homogenizer delamination |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744893A (en) * | 2016-12-19 | 2017-05-31 | 厦门大学 | The controllable adding set of oxidant that batch prepares Graphene quality can be improved |
| CN109791822A (en) * | 2017-08-09 | 2019-05-21 | 住友理工株式会社 | The manufacturing method of conductive film |
| CN109791822B (en) * | 2017-08-09 | 2020-08-14 | 住友理工株式会社 | Method for producing conductive film |
| CN108584926A (en) * | 2018-05-23 | 2018-09-28 | 大同新成新材料股份有限公司 | A kind of micro crystal graphite prepares graphene method |
| CN117617149A (en) * | 2024-01-26 | 2024-03-01 | 四川金艾格农牧机械有限公司 | Automatic feeding device and system suitable for stacked poultry cultivation cage |
| CN117617149B (en) * | 2024-01-26 | 2024-04-12 | 四川金艾格农牧机械有限公司 | Automatic feeding device and system suitable for stacked poultry cultivation cage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106219536B (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106241790A (en) | The complete intelligent preparation facilities of a kind of Graphene | |
| CN106219536A (en) | A kind of Graphene intellectuality preparation method | |
| CN105347400A (en) | Device and method for producing high-purity nano molybdenum trioxide | |
| CN107117602B (en) | A kind of method that continuous stripping of arc plasma prepares graphene | |
| CN105776193B (en) | A kind of method that graphene microchip is prepared using high voltage pulse water jet mill | |
| CN104494805A (en) | Carbon fiber multi-rotor unmanned aircraft fuselage and method for manufacturing the same | |
| CN106698338A (en) | Liquid metal assisted aluminum block direct hydrogen production device and application thereof | |
| CN109576454A (en) | Preparation method, metal nano plate, purposes and the negative electrode active material of metal nano plate | |
| CN105154915B (en) | A kind of titanium-based composite anode and its preparation method and application | |
| CN104536371A (en) | Unattended automatic production control method for recycling of electrolytic chlorine | |
| CN107032333A (en) | A kind of method that graphene is prepared based on laser lift-off | |
| CN107601486A (en) | A kind of graphene production method | |
| CN206367602U (en) | A kind of agricultural irrigation plant protection unmanned plane | |
| CN108423655A (en) | A kind of preparation method of fluorine graphene oxide | |
| CN205235914U (en) | Evacuation of wax liquid is taken off and is smelt device | |
| CN106912514A (en) | A kind of processing unit (plant) of toast crevettes | |
| CN204197268U (en) | A kind of carbon fiber many rotor wing unmanned aerial vehicles fuselage | |
| CN107057242A (en) | The preparation method of α manganese dioxide graphite Kynoar wear resistant friction reducing composites | |
| CN204917982U (en) | Serialization production oxidation graphite reaction kettle device for alkene | |
| CN203017840U (en) | Quick-open type press filter | |
| TWI792664B (en) | Devicd and method for mass producing sub-micron and nano copper powder | |
| CN205917349U (en) | A scrape rough binding and put for wool washing machine compression roller | |
| CN112078313A (en) | Air-ground dual-purpose intelligent inspection robot with cleaning function | |
| CN207294852U (en) | A kind of nickel aluminium powder batch extractor | |
| CN205856005U (en) | A kind of Graphene produces dedicated full-automatic charging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |