CN206463913U - A kind of reaction unit - Google Patents
A kind of reaction unit Download PDFInfo
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- CN206463913U CN206463913U CN201621424457.6U CN201621424457U CN206463913U CN 206463913 U CN206463913 U CN 206463913U CN 201621424457 U CN201621424457 U CN 201621424457U CN 206463913 U CN206463913 U CN 206463913U
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- kettle
- guide shell
- pipeline section
- reaction unit
- agitating shaft
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Abstract
The utility model provides a kind of reaction unit, and the reaction unit includes being provided with the open guide shell of upper and lower side around kettle and the agitating shaft and stirrer paddle that are arranged in kettle, agitating shaft and stirrer paddle, and guide shell is fixed on the inwall of kettle by support;Multiple feed pipes are provided with kettle, water conservancy diversion tube inner chamber is stretched into the lower end of feed pipe from guide shell upper end, feed pipe includes the first pipeline section and the second pipeline section connected with flange, and the first pipeline section is located on the opening of the upper end of guide shell, and the second pipeline section is stretched at stirrer paddle along the inwall of guide shell;The top and bottom of kettle are respectively equipped with overfall and discharge gate.Radial and axial flowing can be formed in guide shell into the material in kettle, the uniform mixing of material is realized, can also accelerate inter-particle collision, advantageously form close spheric granules.In addition, the special construction of feed pipe is conducive to the installation and cleaning of guide shell.
Description
Technical field
The utility model is related to technical field of chemical, and in particular to a kind of reaction unit.
Background technology
Lithium ion battery is the green high-capacity battery of a new generation, and important function is increasingly shown in every field.It is used as lithium
The important component of ion battery, the positive electrode of lithium battery decides the performance of lithium battery, price and development, current ternary
Battery material (such as nickel cobalt aluminium, nickel cobalt manganese) is because turning into study hotspot with excellent combination property.Wherein, vibration density is prepared
Height, good sphericity, the ternary anode material precursor of high-tap density are spent, even more develops high charge-discharge capacity, high capacity density
With the key of the lithium ion battery material of good circulation performance.In all kinds of anode material for lithium-ion batteries, nickel-cobalt-manganese ternary is just
Pole material is because cost of material is low, turn into the focus of recent research with higher specific capacity and stable circulation performance.
In the device for preparing ternary cathode material of lithium ion battery presoma at present, it is unfavorable for forming good sphericity, consolidation
The high ternary anode material precursor of degree.
Utility model content
In view of this, the utility model provides a kind of reaction unit, and the reaction unit is conducive to obtaining good sphericity, tight
The high spherical ternary cathode material presoma of solidity, such as nickel cobalt manganese presoma.
The utility model provides a kind of reaction unit, for producing spherical ternary cathode material presoma, the reaction
Device includes kettle and the agitating shaft and stirrer paddle that are arranged in kettle, and the stirrer paddle sets the bottom of the agitating shaft
The open guide shell of upper and lower side is provided with around portion, the agitating shaft and stirrer paddle, the guide shell is fixed on by support
The inwall of the kettle;Multiple feed pipes are provided with the kettle, institute is stretched into the lower end of the feed pipe from guide shell upper end
Water conservancy diversion tube inner chamber is stated, wherein, the feed pipe includes the first pipeline section and the second pipeline section, and first pipeline section is located at the guide shell
Upper end opening on, inwall of second pipeline section along the guide shell is stretched at the stirrer paddle, it is described first pipe
Connected between section and the second pipeline section with flange;The top and bottom of the kettle are respectively equipped with overfall and discharge gate.
Wherein, second pipeline section is in broken line type, and second pipeline section includes the first sub- pipeline section and the second sub- pipeline section, described
First sub- pipeline section is parallel to vertical direction, and the second sub- pipeline section is managed parallel to the guide shell inwall, and with the described first son
Section forms a knuckle.
Wherein, the guide shell is tubular, and the guide shell has the upper end being oppositely arranged open and lower end opening, described
Lower end is open close to the stirrer paddle, and the open size in the upper end is more than the open size in the lower end.
Wherein, the guide shell is in closing in type, the end face diameter gradient of the shell portion of the guide shell extended from up to down
Reduce.
Wherein, be additionally provided with the kettle cover of the kettle on channel-section steel, the channel-section steel from bottom up be provided with stirring frame and
Drive mechanism, the drive mechanism is connected with the agitating shaft stretched into kettle, for driving the agitating shaft to rotate.
Wherein, multiple charging apertures, the upper end point of multiple feed pipes are provided with around the agitating shaft mouthful on the kettle cover
Multiple charging apertures are not passed.
Wherein, the stirring frame has double layer supporting points.
Wherein, the drive mechanism includes the reductor that motor and motor lower end are connected.
Wherein, the periphery of the kettle is also enclosed provided with chuck, and chuck import, JO are provided with the chuck.
Wherein, the bottom of the kettle is ball crown type, and the bottom of the kettle is provided with kettle end socket, the kettle end socket
Provided with the discharge gate, and auxiliary material discharge gate.
The reaction unit in the utility model, including described in kettle and the agitating shaft being arranged in kettle and setting
The open guide shell of upper and lower side is provided with around the stirrer paddle of shaft bottom, the agitating shaft and stirrer paddle, it is described to lead
Flow cartridge is fixed on the inwall of the kettle by support;Multiple feed pipes, the lower end of the feed pipe are provided with the kettle
The water conservancy diversion tube inner chamber is stretched into from guide shell upper end, wherein, the feed pipe includes the first pipeline section and the second pipeline section, described first
Pipeline section is located on the opening of the upper end of the guide shell, and inwall of second pipeline section along the guide shell stretches into the stirring
At blade, connected between first pipeline section and the second pipeline section with flange;The top and bottom of the kettle are respectively equipped with overflow
Mouth and discharge gate.Guide shell is installed additional in the kettle, the material material entered in kettle can be pressed into bottom, then bottom material
By reaching kettle top outside guide shell, so circulation;Radial and axial stream can be formed in guide shell into the material in kettle
It is dynamic, the uniform mixing of material is realized, can also accelerate intergranular collision, close spheric granules is advantageously formed.In addition, described
The special construction of feed pipe is conducive to the installation and cleaning of the guide shell.
Brief description of the drawings
Fig. 1 is the structural representation of reaction unit described in the utility model embodiment;
Fig. 2 is the structural representation of stirrer paddle described in the utility model embodiment;
Fig. 3 is the top view of the kettle cover of kettle in the utility model embodiment;
Fig. 4 is using big of nickel cobalt manganese presoma (being specially nickel cobalt manganese hydroxide) obtained by above-mentioned reaction unit
Grain, short grained scanning electron microscope (SEM) photograph;
Fig. 5 is using big of nickel cobalt manganese presoma (being specially nickel cobalt manganese hydroxide) obtained by above-mentioned reaction unit
Grain, short grained scanning electron microscope (SEM) photograph.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technical scheme in the utility model embodiment
It is clearly and completely described.
Also referring to Fig. 1-Fig. 3, a kind of structural representation of the reaction unit provided for the utility model preferred embodiment
Figure.The reaction unit is used to produce spherical ternary cathode material presoma.
Each label is as follows in the application:Kettle 1, agitating shaft 2, stirrer paddle 3, guide shell 4, the support 5 of guide shell, charging
Pipe 6, overfall 7, discharge gate 12, chuck 8, channel-section steel 9, stirring frame 10, drive mechanism 11, chuck import 81, JO 82,
Kettle end socket 101, jacket head 801;Auxiliary material discharge gate 121.
The reaction unit includes kettle 1 and the agitating shaft 2 and stirrer paddle 3 that are arranged in kettle, the stirrer paddle 3
Set and the open guide shell 4 of upper and lower side, institute are provided with around the bottom of the agitating shaft 1, the agitating shaft 2 and stirrer paddle 3
State the inwall that guide shell 4 is fixed on the kettle 1 by support 5.Agitating shaft 2 and stirrer paddle 3 are located in the guide shell 4.
In the application, the agitating shaft 2 is set along the vertical direction, and the guide shell 4 and the agitating shaft 2, stirrer paddle 3 is coaxial sets
Put;The upper end of the guide shell 4, lower end opening are communicated.
It is apparent that the maximum cross section external diameter of the guide shell 4 is less than the cross sectional inner diameter of the kettle 1.So design
Be in order to ensure between kettle 1 and guide shell 4 have clearance space.
Multiple feed pipes 6 are provided with the kettle 1, described lead is stretched into the lower end of the feed pipe 6 from the upper end of guide shell 4
The inner chamber of flow cartridge 4, wherein, the feed pipe 6 includes the first pipeline section 61 and the second pipeline section 62, and first pipeline section 61 is located at described lead
On the upper end opening of flow cartridge 4, inwall of second pipeline section 62 along the guide shell 4 is stretched at the stirrer paddle 3, institute
State between the first pipeline section 61 and the second pipeline section 62 and to be connected with flange 63;The top and bottom of the kettle 1 are respectively equipped with overfall 7
With discharge gate 12.
Preferably, second pipeline section 62 is in broken line type, and second pipeline section 62 includes the first sub- pipeline section and the second son pipe
Section, the first sub- pipeline section parallel to vertical direction, the second sub- pipeline section parallel to the inwall of guide shell 4, and with it is described
First one knuckle of sub- pipeline section formation.It is further preferred that the size of the knuckle is 120-160 °.
In the application, at the lower end of the feed pipe 6 insertion stirrer paddle 3, into guide shell 4 before connected with flange 63;
The pipeline section 62 of first pipeline section 61 and second can be dismantled, and so be conducive to the installation and cleaning of guide shell 4.
In the embodiment of the application one, the guide shell 4 is welded by least one support 5 and the inwall of kettle 1.The branch
Frame 5 is arranged on the upper and lower ends of the guide shell 4, and the setting direction of the support 5 is perpendicular to vertical direction.
In the embodiment of the application one, the guide shell 4 is tubular, and there is the guide shell 4 upper end being oppositely arranged to open
Mouth and lower end opening, the lower end are open close to the stirrer paddle 3, and the size of the upper end opening is more than lower end opening
Size.
Guide shell 4 under being installed additional greatly in the kettle 1, guide shell 4 is the top material come in from feed pipe 6 under
Pressure type stirring press-in bottom, then bottom material outside guide shell 4 by reaching kettle top, so circulation;Into the material in kettle
Radial and axial flowing is formed in guide shell 4, can be well mixed material, can also accelerate collision between particle spheroid, favorably
In the close spheric granules of formation.
It is further preferred that the guide shell 4 is in closing in type, the end of the shell portion of the guide shell 4 extended from up to down
Face diameter gradient reduces.In another preferred embodiment of the application, the guide shell 4 is taper.
It is further preferred that diameter D open with the upper end the open diameter d in lower end ratio is in 0.1-0.6.
More preferably 0.1-0.45.
Preferably, the height of the guide shell 4 is the 0.3-0.6 of the straight section of kettle 1.Wherein, the kettle straight section is
Refer to the kettle part in addition to autoclave body bottom.
Fig. 2 is referred to, the edge of the stirrer paddle 3 is curved, the stirrer paddle 3 does not hang down mutually with the agitating shaft 2
Directly.So it is more conducive to guide shell 4 and the top material come in from feed pipe 6 is passed through press-down type stirring press-in bottom.Preferably, institute
The angle for stating stirrer paddle 3 and the agitating shaft 2 is 30-60 °.Stirring resistance can be so reduced, speed of agitator, reduction is improved
Power consumption, is easy to be formed the material stirred.In the embodiment of the application one, the blade of stirrer paddle 3 is in 45 downwards
Spend angle.The stirrer paddle 3 is 3 groups.In other embodiments, stirrer paddle can also for 1,2,4,5 or 6.
It is additionally provided with the kettle cover of the kettle 1 on channel-section steel 9, the channel-section steel 9 from bottom up and the stirring He of frame 10 is installed
Drive mechanism 11, the drive mechanism 11 is connected with the agitating shaft 2 stretched into kettle 1, and the drive mechanism 11 is used to drive institute
Agitating shaft 2 is stated to rotate.
Preferably, the stirring frame 10 has double layer supporting points.
It is further preferred that the drive mechanism 11 includes the reductor that motor and motor lower end are connected.
In the application, the channel-section steel 9 is used to support the stirring frame 10 and drive mechanism 11, and the stirring frame 10 has
There are double layer supporting points, the speed reducing ratio of the reductor is relatively low, it is possible to achieve higher stability is kept while high mixing speed.
Fig. 3 is referred to, Fig. 3 is the top view of the kettle cover of kettle described herein.The periphery of kettle cover circumference is kettle cover
Bearing.It can be seen that overfall 7 and JO 82 in Fig. 3.Meanwhile, the axle mouthful of the agitating shaft 2 is surrounded on the kettle cover
Multiple charging apertures (N6, N7, N8, N9 in Fig. 3) are surrounded by, the upper end of multiple feed pipes 6 passes multiple chargings respectively
Mouthful.N1 in Fig. 3 is manhole, for opening the kettle, observing response situation or kettle inside is cleaned.
The bottom of the kettle 1 is provided with discharge gate 12, for discharging material in kettle in the case of terminating in each production cycle
Deng.The top of the kettle 1 is provided with overfall 7, and the product (such as nickel cobalt manganese presoma) of synthesis is gone out for overflow, as subsequently just
The preparing raw material of pole battery material.
The periphery of kettle 1 is also enclosed provided with chuck 8, and chuck import 81, JO 82 are provided with the chuck 8.Enter
Preferably, the chuck import 81 is located at the bottom of the chuck 8 to one step, and the JO 82 is located at the upper of the chuck 8
Portion.Steam or condensed water can be passed through in the cavity of the chuck.
It is further preferred that the overfall 7 is separately positioned on the difference on the top of kettle 1 with the JO 82
Side.
Preferably, the bottom of the kettle 1 is ball crown type, and the bottom of the kettle 1 is provided with kettle end socket 101, the kettle
Body end socket 101 is provided with the discharge gate 12, and auxiliary material discharge gate 121.The auxiliary material discharge gate 121 is used in autoclave body bottom
Discharge gate 12 occur discharging material etc. in kettle under abnormal conditions.
The bottom of the chuck 8 is provided with jacket head 801, and the jacket head 801 is provided with the chuck import 81.
In the application, guide shell 4 is installed additional in the kettle 1, the material material entered in kettle bottom can be pressed into, then
Bottom material reaches kettle top by the outside of guide shell 4, so circulation;It can be formed into the material in kettle in guide shell 4
Radial and axial flowing, realizes the uniform mixing of material, can also accelerate collision between particle spheroid, advantageously forms closely spherical
Particle.In addition, the special construction of the feed pipe 6 is conducive to the installation and cleaning of the guide shell 4.
Fig. 4, Fig. 5 are respectively to use the nickel cobalt manganese presoma obtained by above-mentioned reaction unit (to be specially nickel cobalt manganese hydroxide
Thing) bulky grain, short grained scanning electron microscope (SEM) photograph.The average grain diameter of nickel cobalt manganese presoma described in Fig. 4 is 12 μm, described in Fig. 5
The average grain diameter of nickel cobalt manganese presoma is 3 μm.Can be by using the ternary forerunner of large and small two kinds of variable grain granularities spherical in shape
Body material is used in mixed way, and then can obtain that tap density is higher, capacity density high-pressure solid tertiary cathode material.
Described above is preferred embodiment of the present utility model, but therefore can not be interpreted as special to the utility model
The limitation of sharp scope.It should be pointed out that for those skilled in the art, not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (10)
1. a kind of reaction unit, it is characterised in that the reaction unit includes kettle and the agitating shaft being arranged in kettle and stirred
Blade is mixed, the stirrer paddle sets and is provided with upper and lower side around the bottom of the agitating shaft, the agitating shaft and stirrer paddle
Open guide shell, the guide shell is fixed on the inwall of the kettle by support;Multiple chargings are provided with the kettle
The water conservancy diversion tube inner chamber is stretched into pipe, the lower end of the feed pipe from guide shell upper end, wherein, the feed pipe includes the first pipeline section
With the second pipeline section, first pipeline section is located on the opening of the upper end of the guide shell, and second pipeline section is along the water conservancy diversion
The inwall of cylinder is stretched at the stirrer paddle, is connected between first pipeline section and the second pipeline section with flange;The kettle it is upper
Portion and bottom are respectively equipped with overfall and discharge gate.
2. reaction unit as claimed in claim 1, it is characterised in that second pipeline section is in broken line type, second pipeline section
Including the first sub- pipeline section and the second sub- pipeline section, the first sub- pipeline section parallel to vertical direction, the second sub- pipeline section parallel to
The guide shell inwall, and form a knuckle with the described first sub- pipeline section.
3. reaction unit as claimed in claim 1, it is characterised in that the guide shell is tubular, the guide shell has phase
And lower end open to the upper end of setting is open, and the lower end is open close to the stirrer paddle, and the open size in the upper end is big
In the size that the lower end is open.
4. reaction unit as claimed in claim 3, it is characterised in that the guide shell is in closing in type, is extended from up to down
The end face diameter gradient of the shell portion of guide shell reduces.
5. reaction unit as claimed in claim 1, it is characterised in that channel-section steel, the groove are additionally provided with the kettle cover of the kettle
Stirring frame and drive mechanism are installed from bottom up on steel, the drive mechanism is connected with the agitating shaft stretched into kettle,
For driving the agitating shaft to rotate.
6. reaction unit as claimed in claim 5, it is characterised in that set on the kettle cover of the kettle around the agitating shaft mouthful
There are multiple charging apertures, the upper end of multiple feed pipes passes multiple charging apertures respectively.
7. reaction unit as claimed in claim 5, it is characterised in that the stirring frame has double layer supporting points;The driving
Mechanism includes the reductor that motor and motor lower end are connected.
8. the reaction unit as described in claim any one of 1-7, it is characterised in that also enclose provided with folder the periphery of the kettle
Chuck import, JO are provided with set, the chuck.
9. reaction unit as claimed in claim 8, it is characterised in that the bottom of the kettle is ball crown type, the kettle
Bottom is provided with kettle end socket, and the discharge gate is arranged on the kettle end socket, and auxiliary material discharge is additionally provided with the kettle end socket
Mouthful.
10. reaction unit as claimed in claim 9, it is characterised in that the edge of the stirrer paddle is curved, the stirring
Blade is not perpendicular with the agitating shaft.
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CN201621424457.6U CN206463913U (en) | 2016-12-23 | 2016-12-23 | A kind of reaction unit |
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CN201621424457.6U CN206463913U (en) | 2016-12-23 | 2016-12-23 | A kind of reaction unit |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109847677A (en) * | 2017-11-30 | 2019-06-07 | 格林美股份有限公司 | It is used to prepare the reaction unit of big specific gravity and bulky grain crystal |
CN111203169A (en) * | 2020-03-06 | 2020-05-29 | 中冶焦耐(大连)工程技术有限公司 | Modified asphalt reaction kettle with side feeding and full flow discharging functions |
CN114768641A (en) * | 2022-04-08 | 2022-07-22 | 宁波兰宁石化科技有限公司 | Self-pressurizing high-speed mixing kettle |
-
2016
- 2016-12-23 CN CN201621424457.6U patent/CN206463913U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109847677A (en) * | 2017-11-30 | 2019-06-07 | 格林美股份有限公司 | It is used to prepare the reaction unit of big specific gravity and bulky grain crystal |
CN111203169A (en) * | 2020-03-06 | 2020-05-29 | 中冶焦耐(大连)工程技术有限公司 | Modified asphalt reaction kettle with side feeding and full flow discharging functions |
CN114768641A (en) * | 2022-04-08 | 2022-07-22 | 宁波兰宁石化科技有限公司 | Self-pressurizing high-speed mixing kettle |
CN114768641B (en) * | 2022-04-08 | 2024-04-26 | 宁波兰宁石化科技有限公司 | Self-pressurizing high-speed mixing kettle |
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