CN105944594A - Production device for lithium ion battery slurry - Google Patents
Production device for lithium ion battery slurry Download PDFInfo
- Publication number
- CN105944594A CN105944594A CN201610470946.3A CN201610470946A CN105944594A CN 105944594 A CN105944594 A CN 105944594A CN 201610470946 A CN201610470946 A CN 201610470946A CN 105944594 A CN105944594 A CN 105944594A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- section
- dispersion
- pulp
- 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
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
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
- B01F27/721—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle
-
- 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
- B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
- B01F27/1143—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections screw-shaped, e.g. worms
-
- 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
- B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
- B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
- B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/883—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using flow rate controls for feeding the substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/59—Mixing reaction ingredients for fuel cells
Abstract
The invention discloses a production device for lithium ion battery slurry. The production device comprises an extruder which comprises two screw rods, wherein the screw rods are correspondingly arranged in the same cylinder and each sequentially provided with a feeding conveying section, a dispersion section, a powerful dispersion section and a discharging conveying section from a feeding holes to a discharging hole along the axial direction, the feeding holes are correspondingly formed in the cylinder, and the discharging hole is formed in the other end part, opposite to a driving motor, of the cylinder. By virtue of the double-screw extruder of the production device, the dispersion and mixing effects of two screw rods are adequately exerted, and particularly, the screw intervals of different screw sections are designed so that the dispersion effect is improved; and furthermore, a conventional spiral design is broken through, the whole spiral section is divided into multiple sections, sub-blocks on an odd position or an even position are overturned at intervals and are assembled, and the integral spiral design is broken through, so that the cutting, dispersion and mixing effects are further enhanced, and the dispersion and mixing effects of nano-scale materials are greatly improved.
Description
Technical field
The present invention relates to lithium ion battery preparing technical field, particularly relate to a kind of pulp of lithium ion battery raw
Produce device.
Background technology
When prepared by pulp of lithium ion battery, can use dispersing apparatus, conventional dispersing apparatus has two kinds.
One is to use traditional P/D pulper (planet stirring formula), the linear speed of high speed dispersion dish during its stirring
Degree typically can only achieve 8m/sec, therefore may also reach up use during material oarse-grained for micron order dispersion
Requirement, but material the most nano level for little granule can not reach good effect.Such as: common
Pulper is when disperseing carbon nano-fiber material, and the granularity of last slurry is when using Hegman grind gage detection
Can be more than more than 70 microns, it is impossible to meet and use requirement.
Two is ball crusher, uses 2-3 millimeter zirconium oxide ball milling, makes electrode material and conductive agent dispersion in slurry equal
Even, promote the equal concordance of cell size microcosmic and promote the electrical property of battery.But set according to existing ball milling
Standby experience, ball mill is limited to sizing dispersion effect, disperses the slurry fluidity bad, viscous
When degree accomplishes 4000～8000, solid content can only accomplish about 45%, and discharging a few minutes disposed slurry becomes
G., jelly-like, without mobility.
Summary of the invention
It is an object of the invention to for technological deficiency present in prior art, and a kind of lithium ion battery is provided
Slurry process units.
Be the technical scheme is that by realizing the purpose of the present invention
A kind of pulp of lithium ion battery process units, including extruder, described extruder includes setting accordingly
Putting two screw rods in same cylinder, described screw rod sets gradually vertically from charging aperture to discharging opening
There are charging transportation section, dispersion section, high force dispersion section and discharging transportation section, described cylinder is arranged in correspondence with
There is charging aperture, and form discharging opening in the other end relative with driving motor.
Two described screw rods be smaller than 400 μm.
Spacing 150um-350um of two described screw rods.
Described charging transportation section and the intersegmental and high force dispersion section of dispersion and discharging carry intersegmental being respectively arranged with
Multiple oval blocks respectively correspondingly worn on screw shaft, the oval block on same screw shaft is staggered to be set
Put to constitute slurry to stop.
The pitch of described dispersion section is more than the pitch of described charging transportation section, described high force dispersion section quilt
Being divided into multistage sub-block, wherein, described sub-block is sequentially connected in series on described threaded rod, wherein, and even number
The sub-block of position or odd bits connects after rotating 180 °.
The pitch of described high force dispersion section is equal to or more than dispersion section pitch.
Described cylinder is jacket type, and it is connected with thermal source or low-temperature receiver.
Also include being arranged on the delicate flow meter at charging aperture and the liquid material feeding machanism of liquid feeding pump composition
Or weight-loss metering claims and the powder feeding machanism of single screw extruder composition.
Described dispersion section is connected with vacuum equipment with to removing bubbles from slurry respectively with high force dispersion section.
Compared with prior art, the invention has the beneficial effects as follows:
The double-screw type extruder of the present invention, has given full play to the effect of the dispersion of twin-screw extrusion, mixing,
Especially by the spiral shell line space design of different spiral shell sections, improve its dispersion effect, and, breach routine
Helical design, is divided into several sections by whole section of spiral section, and then compartment of terrain is by the sub-block in odd bits or even bit
Assemble after upset, broken one-piece auger design, its cutting the most prominent, dispersion and mixed effect, greatly
Promote greatly the dispersion mixing to nanometer materials.
Accompanying drawing explanation
Fig. 1 show the structural representation of the pulp of lithium ion battery process units of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that herein
Described specific embodiment, only in order to explain the present invention, is not intended to limit the present invention.
As it is shown in figure 1, the pulp of lithium ion battery process units of the present invention includes extruder, described extrusion
Machine includes two screw rods 1 being arranged in correspondence with in same cylinder, being smaller than of two described screw rods
400 μm, typically at 150um-350um, described screw rod is disposed with vertically from charging aperture to discharging opening
Charging transportation section, dispersion section 11, high force dispersion section 12 and discharging transportation section 13, right on described cylinder 2
It is provided with multiple charging aperture 3 with answering, at charging aperture, is correspondingly provided with delicate metering continuous charging mechanism and storing
Mechanism, delicate metering continuous charging mechanism includes being arranged on the delicate flow meter at charging aperture and liquid feeding pump
The liquid material feeding machanism constituted or weight-loss metering claim the powder feeding machine constituted with single screw extruder
Structure, at different dispersion section precision continuous chargings, charging can realize continuous charging, and scope can be from tens kilograms
To ten tons；And continuous charging weight error is less than 0.5%, generally less than 0.3%.And with drive motor phase
To the other end form discharging opening, described charging transportation section and the intersegmental and high force dispersion section of dispersion and go out
Material conveying is intersegmental is respectively arranged with multiple oval block respectively correspondingly worn on screw shaft, same spiral shell
Oval block on bar axle is crisscross arranged to constitute slurry and stops.
Specifically, the pitch of described dispersion section is more than the pitch of described charging transportation section, and described is strong
Power dispersion section pitch equal to or more than dispersion section pitch, described discharging transportation section pitch equal to or less than into
Material transportation section pitch, to extrude after dispersion, the high force dispersion section described in described discharging is divided
Become multistage sub-block, wherein, described sub-block is sequentially connected in series on described threaded rod, wherein, even bit or
The sub-block of odd bits connects after rotating 180 °.
The double-screw type extruder of the present invention, has given full play to the effect of the dispersion of twin-screw extrusion, mixing,
Especially by the spiral shell line space design of different spiral shell sections, improve its dispersion effect, and, breach routine
Helical design, is divided into several sections by whole section of spiral section, and then compartment of terrain is by the sub-block in odd bits or even bit
Assemble after upset, broken one-piece auger design, its cutting the most prominent, dispersion and mixed effect, greatly
Promote greatly the dispersion mixing to nanometer materials.This double-screw type extruder formula slurry system is that collection is accurate
Feed, pre-dispersed, smooth grinding, aerofluxus is in a set of process system of one, and main advantage is automatization
Fully continuous type produces, thus possesses high production capacity, low energy consumption, and floor space is little, low human cost, it is easy to clear
The feature such as wash.
Preferably, described cylinder is jacket type, and it is connected with thermal source or low-temperature receiver, to realize in mixing
In dispersive process heating material or cool down, refrigerating function is to avoid producing in a large number when running up
Heat, cause slurry and machine overheated.Meanwhile, also include being arranged on the delicate flow meter at charging aperture and liquid
Liquid material feeding machanism or weight-loss metering that body feed pump is constituted claim and the powder of single screw extruder composition
Feeding machanism, described liquid feeding pump can be gear pump, screw pump, membrane pump, plunger displacement pump, centrifugal
Pump, peristaltic pump etc., described single screw extrusion machine coordinates metrological service can realize the accurate interpolation of granular material,
Accomplish that entire slurry component is the most controlled.
Further, described dispersion section is connected to remove slurry with vacuum equipment with high force dispersion section respectively
Bubble.Meanwhile, the multiple oval block at two ends effectively constitutes again negative pressure in this area segments, improves de-bubble effect
Really.
The above is only the preferred embodiment of the present invention, it is noted that for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, it is also possible to make some improvement and profit
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a pulp of lithium ion battery process units, it is characterized in that, including extruder, described extruder includes two screw rods being arranged in correspondence with in same cylinder, described screw rod is disposed with charging transportation section, dispersion section, high force dispersion section and discharging transportation section vertically from charging aperture to discharging opening, it is correspondingly provided with charging aperture on described cylinder, and forms discharging opening in the other end relative with driving motor.
2. pulp of lithium ion battery process units as claimed in claim 1, it is characterised in that two described screw rods be smaller than 400 μm.
3. pulp of lithium ion battery process units as claimed in claim 1, it is characterised in that spacing 150um-350um of two described screw rods.
4. pulp of lithium ion battery process units as claimed in claim 1, it is characterized in that, described charging transportation section and disperse intersegmental and high force dispersion section and discharging conveying is intersegmental is respectively arranged with multiple oval block respectively correspondingly worn on screw shaft, the oval block on same screw shaft is crisscross arranged to constitute slurry and stops.
5. pulp of lithium ion battery process units as claimed in claim 4, it is characterized in that, the pitch of described dispersion section is more than the pitch of described charging transportation section, described high force dispersion section is divided into multistage sub-block, wherein, described sub-block is sequentially connected in series on described threaded rod, and wherein, the sub-block of even bit or odd bits connects after rotating 180 °.
6. pulp of lithium ion battery process units as claimed in claim 5, it is characterised in that the pitch of described high force dispersion section is equal to or more than dispersion section pitch.
7. pulp of lithium ion battery process units as claimed in claim 1, it is characterised in that described cylinder is jacket type, and it is connected with thermal source or low-temperature receiver.
8. pulp of lithium ion battery process units as claimed in claim 1, it is characterized in that, also include being arranged on the delicate flow meter at charging aperture and the liquid material feeding machanism of liquid feeding pump composition or weight-loss metering claims and the powder feeding machanism of single screw extruder composition.
9. pulp of lithium ion battery process units as claimed in claim 1, it is characterised in that described dispersion section is connected with vacuum equipment with to removing bubbles from slurry respectively with high force dispersion section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470946.3A CN105944594A (en) | 2016-06-20 | 2016-06-20 | Production device for lithium ion battery slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470946.3A CN105944594A (en) | 2016-06-20 | 2016-06-20 | Production device for lithium ion battery slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105944594A true CN105944594A (en) | 2016-09-21 |
Family
ID=56904792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610470946.3A Pending CN105944594A (en) | 2016-06-20 | 2016-06-20 | Production device for lithium ion battery slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105944594A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008202A (en) * | 2017-04-06 | 2017-08-04 | 浙江管工智能机械设备有限公司 | The online feed proportioning system of lithium battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202528355U (en) * | 2012-04-17 | 2012-11-14 | 上虞市精亮工贸有限公司 | Plastic powder body compaction feeding device |
| CN206008523U (en) * | 2016-06-20 | 2017-03-15 | 天津力神电池股份有限公司 | Pulp of lithium ion battery process units |
-
2016
- 2016-06-20 CN CN201610470946.3A patent/CN105944594A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202528355U (en) * | 2012-04-17 | 2012-11-14 | 上虞市精亮工贸有限公司 | Plastic powder body compaction feeding device |
| CN206008523U (en) * | 2016-06-20 | 2017-03-15 | 天津力神电池股份有限公司 | Pulp of lithium ion battery process units |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008202A (en) * | 2017-04-06 | 2017-08-04 | 浙江管工智能机械设备有限公司 | The online feed proportioning system of lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |