CN106390817A - Stirring kettle-based high-viscosity carbon nanotube slurry preparation system - Google Patents
Stirring kettle-based high-viscosity carbon nanotube slurry preparation system Download PDFInfo
- Publication number
- CN106390817A CN106390817A CN201610799087.2A CN201610799087A CN106390817A CN 106390817 A CN106390817 A CN 106390817A CN 201610799087 A CN201610799087 A CN 201610799087A CN 106390817 A CN106390817 A CN 106390817A
- Authority
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- China
- Prior art keywords
- storage tank
- tank
- support
- preparation system
- sand mill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 20
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002002 slurry Substances 0.000 title abstract description 25
- 238000003756 stirring Methods 0.000 title abstract 4
- 238000003860 storage Methods 0.000 claims abstract description 58
- 239000004576 sand Substances 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000004809 Teflon Substances 0.000 claims abstract description 5
- 229920006362 Teflon® Polymers 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 235000004443 Ricinus communis Nutrition 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000003116 impacting effect Effects 0.000 abstract 1
- 238000003801 milling Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/074—Stirrers characterised by their mounting on the shaft having two or more mixing elements being concentrically mounted on the same shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/70—Pre-treatment of the materials to be mixed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
- B01F23/81—Grinding the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a stirring kettle-based high-viscosity carbon nanotube slurry preparation system, which comprises a stirring kettle, a sand mill and a cache barrel, wherein the discharge opening of the stirring kettle is connected to the feeding end of a diaphragm pump of the sand mill; the discharging end of the sand mill is connected to the feed openingof the cache barrel; a storage tank is arranged in a cavity which is formed by enclosing a first bracket and a second bracket; the storage tank is an inverted cone-shaped airtight barrel body; the feed opening of the storage tank is right opposite to the discharge opening of the storage tank; the storage tank is driven by the motor to move to enable materials to be mixed uniformly; when the storage tank rotates, a tank body is arranged in the brackets, so that the tank body can be prevented from impacting surrounding equipment in the rotating process and a certain protective effect is achieved; the feed opening of the storage tank directly aligns with the discharge opening and the storage tank is conical, so that high-viscosity slurry in the tank is not liable to be adhered to the inner wall; and the inner wall is coated with a Teflon material, so the flowability of the high-viscosity slurry can be improved.
Description
Technical field
The present invention relates to the premix of slurry and caching technology field, particularly a kind of high viscosity carbon nanometer based on stirred tank
Pipe slurry preparation system.
Background technology
CNT, as new nano-carbon material, has excellent chemistry, physical property, is widely used in material
The fields such as material, the energy, biology.But carbon nanotube powder is existed it is difficult to compatible with other materials with aggregate form, therefore needs
CNT dispersion is obtained being applied after carbon nano tube paste in organic solvent again.CNT slurry in general workshop
Material pre-compounding process requires humid control within 30%, controls especially for the slurry humidity requirement in lithium ion battery
Within 10%, and carbon nanotube powder is very light, easily forms dust in atmosphere, causes the pollution of air and equipment, therefore
Need in the mixed process of whole slurry to carry out in the environment of dry behaviour and sealing.
But currently without the premix producing particular for carbon nano tube paste and buffer tank, existing can generally
Plastic tank, such as Patent No. CN03214298.6, the patent of invention entitled sealed plastic tank, but common sealed plastic
Lid used by tank mostly is disposable lid it is impossible to reuse, and the process of feeding can only be in the case of fully opening lid
Carry out, under uncovered environment, CNT easily floats pollution peripheral equipment, also can absorb large quantity of moisture simultaneously, have a strong impact on slurry
Quality.One kind is also had to be chosen as sealing enamel reaction still, such as Application No. CN201520787146.5, invention entitled electronics
The enamel reaction still of formula monitoring temperature, but this equipment good airproof performance, but high cost, weight is big, inadequate as slurry buffer tank
Economical and practical.
Content of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, and provide a kind of based on stirred tank
High viscosity carbon nano tube paste preparation system.
For solving above-mentioned technical problem, the technical solution used in the present invention is：
A kind of high viscosity carbon nano tube paste preparation system based on stirred tank, including stirred tank, sand mill and caching bucket,
The discharging opening of stirred tank connects the feed end of the membrane pump to sand mill, and the discharge end of sand mill connects to the charging of caching bucket
Mouthful；
Described stirred tank includes double-layer scaffold, respectively first support and second support, the detachable erection of second support
In first support, the supporting leg of first support is provided with castor；
Storage tank is arranged at first support and second support encloses in the cavity of formation, and storage tank is airtight in inverted cone
Staving, the bottom of storage tank has discharging opening, and the top of storage tank has charging aperture, is provided with inlet valve at charging aperture, described
Charging aperture faces discharging opening；Motor, the bottom of storage tank and motor are just being provided with to the bottom of storage tank on first support
Axis of rotation connects, and motor drives storage tank to rotate together；
On storage tank, connection tank body is outwardly and inwardly provided with intake valve and air outlet valve, and intake valve connects storage tank tank
Internal portion and the shielding gas source of the gas being arranged at outside tank body, air outlet valve connects storage tank tank interior and is arranged at outside tank body
Vacuum pump.
The edge of the above second support is provided with multiple suspension hooks.
The above first support and second support all have four supporting legs.
The shielding gas body source of the above shielding gas source of the gas is nitrogen.
Release coating is scribbled, described release coating adopts Teflon material on the inwall of tank stored above.
After the present invention adopts said structure, have the following technical effect that：
In the present invention, stirred tank carries out mix and blend to carbon nanotube powder and solvent, then is taken out compound by membrane pump
Transport to and in sand mill, carry out sand milling, the slurry after sand milling is transported to set aside for use in caching bucket, in order to fully carry out sand milling, will
It is designed to circulate sand milling between slurry in caching bucket and sand mill, production efficiency is high, raw material availability is high.
Intake valve, air outlet valve and charging/discharging valve are provided with storage tank of the present invention, during charging, by described air outlet valve
Discharge the air in described storage tank, protective gas is injected to storage tank by described intake valve, to realize anhydrous, oxygen-free environment
Lower charging, batch mixing and deposit slurry, thus avoid raw material contaminated or pollution miscellaneous equipment.The intake valve of the present invention, air outlet valve
It is all valve mechanism with charging/discharging valve, therefore, when all air valves in described vapor tight tank are all closed, the sealing of described vapor tight tank
Property very well, can be with long storage time carbon nano tube paste.
During compound of the present invention, storage tank is driven to rotate by motor, tank when making material in tank mix homogeneously, and rotating
Body is arranged in support, can prevent tank body from clashing into surrounding devices during rotating, play certain protective role；Prop up and set up
Count into double-layer detachable formula structure, conveniently dismounting motor and tank body, conveniently keep in repair and dismantle.
The charging aperture of storage tank of the present invention is directly directed at discharging opening, and storage tank design is tapered, makes high viscosity slurry in tank
Material is difficult to be bonded on barrel wall, along with storage top tank structure scribbles Teflon material, can increase the mobility of highly viscous slurry, make
It flows into discharging opening, thus can ensure the mobility of slurry to a greater degree, improve production efficiency, decrease simultaneously
The loss of slurry.
Brief description
Fig. 1 is the structural representation of the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
Illustration illustrates the basic structure of the present invention, and therefore it only shows the composition relevant with the present invention.
The present invention proposes a kind of high viscosity carbon nano tube paste preparation system based on stirred tank, and wherein stirred tank is received to carbon
Mitron powder and solvent carry out mix and blend, then take out compound to transport in sand mill by membrane pump and carry out sand milling, after sand milling
Slurry be transported to caching bucket in set aside for use, in order to fully carry out sand milling, will caching bucket in slurry and sand mill between
It is designed to circulate sand milling, production efficiency is high, raw material availability is high.
Described stirred tank includes double-layer scaffold and the storage tank being fixed in first support, described storage tank is provided with into
Air valve, air outlet valve and charging/discharging valve, during charging, by described air outlet valve discharge described storage tank in air, by described enter
Air valve injects protective gas to storage tank, to realize under anhydrous, oxygen-free environment charging, batch mixing and to deposit slurry, thus avoiding former
Material is contaminated or pollutes miscellaneous equipment.
As shown in figure 1, being a kind of high viscosity carbon nano tube paste preparation system based on stirred tank of the present invention
Example structure, including stirred tank, sand mill and caching bucket 13, the discharging opening of stirred tank connects the membrane pump 12 to sand mill
Feed end, the discharge end of sand mill connects to the charging aperture of caching bucket 13；
Stirred tank includes double-layer scaffold, respectively first support 1 and second support 2, and second support 2 is detachable to be set up in
In first support 1, the supporting leg of first support 1 is provided with castor 3；
Storage tank 4 is arranged at first support 1 and second support 2 encloses in the cavity of formation, and storage tank 4 is in inverted cone
Airtight staving, the bottom of storage tank 4 has discharging opening, and the top of storage tank 4 has charging aperture, is provided with inlet valve at charging aperture
8, described charging aperture faces discharging opening；Motor 5, the bottom of storage tank 4 are just being provided with to the bottom of storage tank 4 on first support 1
Portion is connected with the axis of rotation of motor 5, and motor 5 drives storage tank 4 to rotate together.
On storage tank 4 tank body, connection tank body is outwardly and inwardly provided with intake valve 7, air outlet valve 9 and inlet valve 8, intake valve 7
Connection storage tank 4 tank interior and the shielding gas source of the gas 10 being arranged at outside tank body, air outlet valve 9 connects storage tank 4 tank interior
With the vacuum pump 11 being arranged at outside tank body.
The above-mentioned design of storage tank makes slurry one enter storage tank and is directly directed at discharge hole for discharge, even if there being part size to be bonded at
On bucket wall, due to being conical design and inwall scribbles Teflon material, the mobility of highly viscous slurry can be increased so as to stream
Enter discharging opening, thus can solve the flow field problem of highly viscous slurry, improve production efficiency, decrease the damage of slurry simultaneously
Consumption.
For the convenience making and install, described first support and second support all have four supporting legs.
For the convenience lifting, the edge of described second support is provided with multiple suspension hooks.
The shielding gas body source of preferably described shielding gas source of the gas is nitrogen.
The operation principle of the present invention：
First described shielding gas source of the gas is connected with intake valve, described vacuum pump is connected with described air outlet valve, then beats
Drive air valve and air outlet valve into, and start vacuum pump and Nitrogen source gases.Described air outlet valve is passed through by described tank body by vacuum pump
Air extract out, thus in the inner chamber of described tank body formed negative pressure so that described Nitrogen source gases provide nitrogen pass through described enter
Air valve flows in described tank body.When being full of protective gas in the inner chamber of described tank body, and in the presence of protective gas, open turnover
Material valve, raw material such as CNT and organic solvent are added in described tank body by described charging/discharging valve.
After raw material adds, close described charging/discharging valve, subsequently close intake valve, air outlet valve, Nitrogen source gases and vacuum successively
Pump.Due to adding during raw material to described storage tank from described charging/discharging valve, it is passed through always in the inner chamber of described storage tank
Protective gas is it can be ensured that the oxygen in tank body and moisture are extremely low, thus realizing feeding in the environment of anhydrous, anaerobic, it is to avoid
Raw material is contaminated or pollutes miscellaneous equipment.
Mixing process is:Disconnect described Nitrogen source gases and the connection of described intake valve first, disconnect described vacuum pump and institute
State the connection of air outlet valve.In the case that described intake valve, air outlet valve and charging/discharging valve valve are all closed, rotate described storage tank,
To premix to the CNT in the inner chamber being positioned over described tank body and organic solvent, obtain carbon nano tube paste, thus
Realize batch mixing material in the environment of anhydrous, anaerobic, it is to avoid raw material is contaminated or pollutes miscellaneous equipment.
The material mixing is pumped to sand mill, carries out sand milling, then be transported to set aside for use in caching bucket.
Because the intake valve on described storage tank, air outlet valve and charging/discharging valve are all valve mechanism, therefore, when described airtight
When all air valves in tank are all closed, the sealing of described vapor tight tank very well, can be with long storage time carbon nano tube paste.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description it is necessary to determine its technical scope according to right.
Claims (5)
1. a kind of high viscosity carbon nano tube paste preparation system based on stirred tank it is characterised in that：Including stirred tank, sand mill
With caching bucket (13), the discharging opening of stirred tank connects to the feed end of the membrane pump of sand mill (12), and the discharge end of sand mill is even
It is connected to the charging aperture of caching bucket (13)；
Described stirred tank includes double-layer scaffold, respectively first support (1) and second support (2), and second support (2) is detachable
It is set up in first support (1), the supporting leg of first support (1) is provided with castor (3)；
Storage tank (4) is arranged at first support (1) and second support (2) encloses in the cavity of formation, and storage tank (4) is in back taper
The airtight staving of shape, the bottom of storage tank (4) has discharging opening, and the top of storage tank (4) has charging aperture, arranges at charging aperture
There is inlet valve (8), described charging aperture faces discharging opening；Just motor is provided with to the bottom of storage tank (4) in first support (1)
(5), the bottom of storage tank (4) is connected with the axis of rotation of motor (5), and motor (5) drives storage tank (4) to rotate together；
On storage tank (4) tank body, connection tank body is outwardly and inwardly provided with intake valve (7) and air outlet valve (9), and intake valve (7) connects
Storage tank (4) tank interior and the shielding gas source of the gas (10) being arranged at outside tank body, air outlet valve (9) connects storage tank (4) tank body
Inside and the vacuum pump (11) being arranged at outside tank body.
2. the high viscosity carbon nano tube paste preparation system based on stirred tank according to claim 1 it is characterised in that：Institute
The edge stating second support (2) is provided with multiple suspension hooks (6).
3. the high viscosity carbon nano tube paste preparation system based on stirred tank according to claim 1 it is characterised in that：Institute
State first support (1) and second support (2) all has four supporting legs.
4. the high viscosity carbon nano tube paste preparation system based on stirred tank according to claim 1 it is characterised in that：Institute
The shielding gas body source stating shielding gas source of the gas (10) is nitrogen.
5. the high viscosity carbon nano tube paste preparation system based on stirred tank according to claim 1 it is characterised in that：Deposit
Release coating is scribbled, described release coating adopts Teflon material on the inwall of storage tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799087.2A CN106390817A (en) | 2016-08-31 | 2016-08-31 | Stirring kettle-based high-viscosity carbon nanotube slurry preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799087.2A CN106390817A (en) | 2016-08-31 | 2016-08-31 | Stirring kettle-based high-viscosity carbon nanotube slurry preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106390817A true CN106390817A (en) | 2017-02-15 |
Family
ID=58002044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610799087.2A Pending CN106390817A (en) | 2016-08-31 | 2016-08-31 | Stirring kettle-based high-viscosity carbon nanotube slurry preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106390817A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792571A (en) * | 2019-11-11 | 2020-02-14 | 天津工业大学 | An intelligent metering and pumping system for microfluid |
| CN112717805A (en) * | 2020-12-28 | 2021-04-30 | 惠州亿纬锂能股份有限公司 | Mixing device and method for mixing materials with high specific surface area |
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| CN202893264U (en) * | 2012-10-24 | 2013-04-24 | 无锡东恒新能源材料有限公司 | Nanotube slurry premixing and temporary storing device |
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2016
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| CN202893440U (en) * | 2012-10-24 | 2013-04-24 | 无锡东恒新能源材料有限公司 | Discharge system of ball grinder |
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| CN112717805A (en) * | 2020-12-28 | 2021-04-30 | 惠州亿纬锂能股份有限公司 | Mixing device and method for mixing materials with high specific surface area |
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Application publication date: 20170215 |
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