CN208567497U - A kind of nickelic ternary material sintering rotary furnace - Google Patents
A kind of nickelic ternary material sintering rotary furnace Download PDFInfo
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- CN208567497U CN208567497U CN201820895434.6U CN201820895434U CN208567497U CN 208567497 U CN208567497 U CN 208567497U CN 201820895434 U CN201820895434 U CN 201820895434U CN 208567497 U CN208567497 U CN 208567497U
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- Prior art keywords
- boiler tube
- nickelic ternary
- ternary material
- rotary furnace
- material sintering
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Abstract
The utility model discloses a kind of nickelic ternary material sintering rotary furnaces, it includes furnace body, the boiler tube for being arranged in the furnace interior, the boiler tube is set as compound boiler tube, the compound boiler tube includes heat resisting steel or high-temperature nickel-base alloy outer layer, inorganic binder middle layer and ceramic inner layer, and its length extending direction is provided with spiral stock guide in the boiler tube；The corrosion of ceramic inner layer alkali resistance, and it will not be with material reaction when contacting with material, this structure of boiler tube, so that the utility model rotary furnace can be used for the sintering of nickelic ternary material, and when being sintered, material rotates in boiler tube, realizes dynamic sinter, to which more energy efficient, production capacity is higher, pollute also fewer；The setting of spiral stock guide can accelerate the sintering velocity of material.
Description
Technical field
The utility model relates to nickelic ternary material sintering equipment more particularly to nickelic ternary material sintering to turn round
Furnace.
Background technique
Tertiary cathode material is because of its energy density with higher, low self-discharge rate, memory-less effect, excellent circulation
The advantages that service life and relatively low price, have become the first choice of power battery, especially nickelic tertiary cathode material exists
Schedule has been put in application on power battery, nickelic ternary material be expected to be widely used as in the near future lithium from
The positive electrode of sub- power battery.
Currently, the nickelic ternary material of industrialization mainly passes through roller kilns or pushed bat kiln sintering, nickelic ternary is being prepared just
Oxygen is needed to participate in when the material of pole to complete sintering reaction, when traditional roller kilns or pushed bat kiln are sintered, material is mounted in saggar,
Material is stationary state, for static sintering, is sintered the diffusion mainly by oxygen, this sintering processing will lead to material and connect with oxygen
Touch insufficient, oxygen diffusion is comparatively more difficult, and the material on saggar surface layer can come into full contact with oxygen, but the object of saggar bottom
Expect that the oxygen that touches just than relatively limited, is unfavorable for being sintered, even logical pure oxygen sintering, the charge of material is also very limited,
Production capacity is relatively low, and the material property consistency of products obtained therefrom saggar upper and lower level different location is poor, and consumption oxygen is more, sintering
Required time is longer, and a large amount of electric energy are consumed in sintering process, and properties of product are not good enough and supervene largely discarded saggar, is
It says, energy consumption is high, and production capacity is low, and largely discards saggar and also can cause environmental pollution.
So rotary furnace is the ideal sintering type of furnace, above-mentioned subproblem can solve, but nickelic ternary material exists
It is strong basicity environment during sintering, there is oxygen participation, and a large amount of moisture is discharged, existing rotary furnace boiler tube is not resistant to
Alkaline corrosion, and be easy and material reacts, can not be sintered so as to cause material, so traditional rotary furnace on the market at present
It cannot be used for the sintering of nickelic ternary material.
Utility model content
The purpose of the utility model is to overcome disadvantages mentioned above, provide a kind of nickelic ternary material sintering rotary furnace,
It is able to achieve the dynamic sinter of nickelic ternary material, and energy consumption is low, production capacity is high, does not pollute the environment also.
To achieve the above object, the technical scheme adopted by the utility model is
A kind of nickelic ternary material sintering rotary furnace, including furnace body, the boiler tube being arranged in the middle part of the furnace body, the furnace
Pipe is set as compound boiler tube, the compound boiler tube include heat resisting steel or high-temperature nickel-base alloy outer layer, inorganic binder middle layer with
And ceramic inner layer, and its length extending direction is provided with spiral stock guide in the boiler tube.
The ceramic inner layer and the spiral stock guide are integrally formed.
The ceramic inner layer is set as corundum ceramic internal layer.
Magnetic seal has end cap, and side end cap setting air inlet and feed inlet, another side respectively at the both ends of the boiler tube
Lid setting exhaust outlet and discharge port.
The furnace body includes the heater strip being set around outside the boiler tube, covers at refractory fibre outside the heater strip, cover
Thermal insulation layer outside the refractory fibre covers at steel shell outside the thermal insulation layer.
The nickelic ternary material sintering rotary furnace further includes support unit, and the furnace body can be connected to the relative rotation
Above the support unit.
The nickelic ternary material sintering rotary furnace further includes for controlling the heater strip heating temperature and furnace body
The control unit of rotation.
The utility model has the following beneficial effects: the compound boiler tube of the utility model rotary furnace efficiently solves under alkaline environment
Material is to the etching problem of boiler tube, so that the utility model rotary furnace can be used for being sintered nickelic tertiary cathode material；In addition, revolution
Boiler tube is rotating always when furnace sintered material, i.e. dynamic sinter, this mode, so that material is contacted with oxygen and more filled when sintering
Point, thus this problem of the inconsistency of material property of saggar upper and lower level different location when solving traditional static sintering,
So that the production capacity for being sintered nickelic ternary material is improved, preparation time is shortened, saves oxygen and electric energy, improves institute
The consistency of performance of product is obtained, while saving the usage amount of saggar, reduces pollution；Spiral stock guide is provided with conducive to object
Material is pushed ahead in boiler tube rotation according to certain speed, to can not only accelerate the sintering velocity of material, shortens preparation
Time further increases production capacity, but also without tilting the boiler tube and furnace body when being discharged after may make material to be sintered.
Detailed description of the invention
Fig. 1 is the schematic diagram of the nickelic ternary material sintering rotary furnace of the utility model；
Fig. 2 is the cross-sectional view that the nickelic ternary material sintering of the utility model turns round furnace body and boiler tube part.
Specific embodiment
As shown in Figure 1, 2, the nickelic ternary material sintering rotary furnace of the utility model includes furnace body 1, is arranged in the furnace
The boiler tube 2 at 1 middle part of body, the boiler tube 2 are set as compound boiler tube 2, and the compound boiler tube 2 includes heat resisting steel or high-temperature nickel-base alloy
Outer layer 21, inorganic binder middle layer 22 and ceramic inner layer 23, and be provided in the boiler tube 2 along its length extending direction
Spiral stock guide 24.
The outer layer of the boiler tube 2 is set as the heat resisting steel or high-temperature nickel-base alloy outer layer 21 of alkali resistance, plays knot to boiler tube 2
Structure supporting role；Middle layer is inorganic bond oxidant layer, can buffer heat resisting steel or high-temperature nickel-base alloy outer layer 21 and ceramic inner layer
Equal thermal shocks of expanding with heat and contract with cold between 23, while inorganic binder has good thermal conductivity, can be good at conducting heat；Ceramics
The corrosion of 23 alkali resistance of internal layer, and when it is contacted with material, will not be with material reaction.This structure of boiler tube 2, so that this is practical
Novel rotation furnace can be used for the sintering of nickelic ternary material；Spiral stock guide 24 is provided with conducive to material when boiler tube 2 rotates
It is pushed ahead according to certain speed, to can not only accelerate the sintering velocity of material, shortens preparation time, further increase
Production capacity, but also without tilting the boiler tube 2 and furnace body 1 when being discharged after may make material to be sintered.
Preferably, the ceramic inner layer and the spiral stock guide are integrally formed.During actual fabrication, can first it adopt
Ceramic inner layer and spiral stock guide is made with connecting method, then firing forms together.
In the present embodiment, the ceramic inner layer 23 is set as corundum ceramic internal layer.
Magnetic seal has end cap 3, and side end cap setting air inlet 31 and feed inlet respectively at the both ends of the boiler tube 2, another
Exhaust outlet 32 and discharge port is arranged in side end cap.
The furnace body 1 includes the heater strip 11 being set around outside the boiler tube 2, to cover at fire resisting outside the heater strip 11 fine
Dimension 12 covers at thermal insulation layer 13 outside the refractory fibre 12, covers at the steel shell 14 outside the thermal insulation layer 13.Furnace body 1 this
Kind structure, enables the generated heat of heater strip 11 farthest all to pass to boiler tube 2, to save electric energy.
The nickelic ternary material sintering rotary furnace of the utility model further includes support unit 4, and the furnace body 1 can relative rotation
Ground is connected to 4 top of support unit.
The nickelic ternary material sintering rotary furnace of the utility model further includes for controlling 11 heating temperature of heater strip
And the control unit (not shown) that furnace body 1 rotates.
For the sintering temperature of the utility model rotary furnace at 500 to 850 DEG C, difference can be made in furnace body 1 according to actual needs
Specification size, compound boiler tube 2 can also be fabricated to different sizes, shape.
The working principle of the utility model are as follows:
Material enters in boiler tube 2 from raw material cabin 5 through a side end cap feed inlet, and oxygen enters in boiler tube 2 from air inlet, boiler tube
2 with furnace body 1 when rotating together, and material rotates in boiler tube 2, and pushes away according to certain speed to the other side along helicla flute
Into sintered material is most discharged in feed bin 6 through discharge port afterwards.
As described above, the compound boiler tube 2 of the utility model rotary furnace efficiently solves under alkaline environment material to boiler tube 2
Etching problem, so that the utility model rotary furnace can be used for being sintered nickelic tertiary cathode material；In addition, furnace when rotary furnace sintered material
Pipe 2 is rotating always, i.e. dynamic sinter, this mode, so that material contacts more abundant with oxygen when sintering, solves traditional
This problem of the inconsistency of material property of saggar upper and lower level different location when static state sintering, so that being sintered nickelic ternary material
Production capacity be improved, shorten preparation time, save oxygen and electric energy, improve the consistency of performance of products obtained therefrom,
The usage amount for saving saggar simultaneously, reduces pollution.
Claims (7)
1. a kind of nickelic ternary material sintering rotary furnace, including furnace body, it is arranged in the boiler tube of the furnace interior, feature exists
In: the boiler tube is set as compound boiler tube, and the compound boiler tube includes heat resisting steel or high-temperature nickel-base alloy outer layer, inorganic binder
Middle layer and ceramic inner layer, and its length extending direction is provided with spiral stock guide in the boiler tube.
2. nickelic ternary material sintering rotary furnace according to claim 1, it is characterised in that: the ceramic inner layer and institute
It is integrally formed to state spiral stock guide.
3. nickelic ternary material sintering rotary furnace according to claim 1 or 2, it is characterised in that: the ceramic inner layer
It is set as corundum ceramic internal layer.
4. nickelic ternary material sintering rotary furnace according to claim 3, it is characterised in that: the both ends of the boiler tube point
Other magnetic seal has end cap, and side end cap setting air inlet and feed inlet, another side end cap setting exhaust outlet and discharge port.
5. nickelic ternary material sintering rotary furnace according to claim 1 or 2 or 4, it is characterised in that: the furnace body packet
The heater strip being set around outside the boiler tube is included, refractory fibre outside the heater strip is covered at, covers at outside the refractory fibre
Thermal insulation layer, cover at steel shell outside the thermal insulation layer.
6. nickelic ternary material sintering rotary furnace according to claim 5, it is characterised in that: it further include support unit,
The furnace body can be connected to the relative rotation above the support unit.
7. nickelic ternary material sintering rotary furnace according to claim 6, it is characterised in that: further include for controlling
State the control unit of heater strip heating temperature and furnace body rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820895434.6U CN208567497U (en) | 2018-06-11 | 2018-06-11 | A kind of nickelic ternary material sintering rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820895434.6U CN208567497U (en) | 2018-06-11 | 2018-06-11 | A kind of nickelic ternary material sintering rotary furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208567497U true CN208567497U (en) | 2019-03-01 |
Family
ID=65484243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820895434.6U Expired - Fee Related CN208567497U (en) | 2018-06-11 | 2018-06-11 | A kind of nickelic ternary material sintering rotary furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208567497U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530147A (en) * | 2019-07-30 | 2019-12-03 | 佛山市天禄智能装备科技有限公司 | A kind of high-temperature rotary furnace for the production of lithium battery anode high-nickel material continuous production |
| CN112146432A (en) * | 2019-06-26 | 2020-12-29 | 康荷 | Electric heating kiln furnace body structure with built-in spiral track propelling groove |
| CN112747590A (en) * | 2019-10-30 | 2021-05-04 | 中国石油化工股份有限公司 | Dynamic synthesis device and dynamic synthesis method for ternary materials of lithium ion battery |
| CN113416086A (en) * | 2021-06-18 | 2021-09-21 | 湖南金硅科技有限公司 | Rotary furnace carbon ceramic furnace tube for CVD carbon vapor deposition, rotary furnace and preparation method of carbon ceramic furnace tube |
-
2018
- 2018-06-11 CN CN201820895434.6U patent/CN208567497U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146432A (en) * | 2019-06-26 | 2020-12-29 | 康荷 | Electric heating kiln furnace body structure with built-in spiral track propelling groove |
| CN112146432B (en) * | 2019-06-26 | 2023-05-02 | 康荷 | Electric heating kiln body structure with built-in spiral track propulsion groove |
| CN110530147A (en) * | 2019-07-30 | 2019-12-03 | 佛山市天禄智能装备科技有限公司 | A kind of high-temperature rotary furnace for the production of lithium battery anode high-nickel material continuous production |
| CN112747590A (en) * | 2019-10-30 | 2021-05-04 | 中国石油化工股份有限公司 | Dynamic synthesis device and dynamic synthesis method for ternary materials of lithium ion battery |
| CN113416086A (en) * | 2021-06-18 | 2021-09-21 | 湖南金硅科技有限公司 | Rotary furnace carbon ceramic furnace tube for CVD carbon vapor deposition, rotary furnace and preparation method of carbon ceramic furnace tube |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210611 |