CN208704423U - The microwave-assisted dynamic continuous calcining equipment of lithium ion battery material - Google Patents
The microwave-assisted dynamic continuous calcining equipment of lithium ion battery material Download PDFInfo
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- CN208704423U CN208704423U CN201821070824.6U CN201821070824U CN208704423U CN 208704423 U CN208704423 U CN 208704423U CN 201821070824 U CN201821070824 U CN 201821070824U CN 208704423 U CN208704423 U CN 208704423U
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- rotary kiln
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- lithium ion
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Abstract
The microwave-assisted dynamic continuous calcining equipment of lithium ion battery material, the equipment includes rotary kiln body, transmission device and power device, power device is connected by transmission device with rotary kiln body, rotary kiln body includes cylinder of rotary kiln, independent microwave emitter is continuously disposed on rotary kiln body shell, waveguide is connected on microwave emitter, waveguide connects cylinder of rotary kiln；The temperature of rotary kiln body difference warm area is controlled by adjusting the microwave power of microwave emitter；The kiln hood of rotary kiln body is equipped with discharge device, and kiln tail is equipped with feeder；The kiln hood of rotary kiln body is equipped with air-supply rifle, and air-supply rifle is connected to cylinder of rotary kiln, and kiln tail is equipped with exhaust uptake；Sintering atmosphere inside rotary kiln body is controlled by the air-supply rifle of kiln hood.The utility model heat utilization efficiency is high, is particularly advantageous to the preparation of nano material, it can be achieved that continuous feed continuous discharge, increases substantially the efficiency of lithium ion battery material preparation, and generation greenhouse gases are few, effect on environment is small.
Description
Technical field
The utility model relates to microwave calcination equipment technical fields, and it is auxiliary to be specifically related to a kind of lithium ion battery material microwave
Power-assist state continuous calcining equipment.
Background technique
Microwave is a kind of efficient and environmentally friendly Novel heating energy, has selectivity plus thermal property, thus in powder
Calcination process etc. has also played its excellent characteristic.Microwave heating method has a lot compared with conventional heat radiation heating means
The advantages of, as synthetic material is simple and quick；In addition, microwave method is especially effective to the large-scale synthesis of control, because it can be most
The influence of the reduction thermal gradient of limits.But currently used microwave equipment is essentially intermittent operation, poor repeatability, Wu Fajin
The continuous large-scale production of row.
Revolving drum equipment pair is widely used in many production industries such as building materials, metallurgy, chemical industry, environmental protection in rotary kiln
Solid material carries out mechanical, physical or chemical treatment, and this kind of equipment is referred to as rotary kiln.Rotary kiln can be divided by processing material difference
For cement kiln, chemical metallurgy kiln and limekiln.Cement kiln is mainly used for calcination of cement clinker, divides dry production cement kiln and wet process
Produce cement kiln two major classes.Chemical metallurgy kiln is then mainly used for the poor iron ore magnetic roasting of metallurgy industry steel plant；Chromium, josephinite oxygen
Change roasting；Refractory factory roasts high-aluminium vanadine mine and aluminium manufacturer roasts clinker, aluminium hydroxide；Chemical plant roasts chrome ore and chrome ore
The classes mineral such as powder.Limekiln (i.e. active lime kiln) is used to roast the active lime and light-burned white clouds of steel plant, ferroalloy works
Stone.
At present rotary kiln in field of new materials such as lithium ion battery materials using almost nil, and traditional rotary kiln plus
Hot mode uses the burning of fossil fuel: natural gas, fire coal or fuel combination substantially, and low its of heat utilization efficiency generates a large amount of temperature
Room gas etc., has greater environmental impacts.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortcomings of above-mentioned background technique, provides a kind of heat utilization
Rate is high, the microwave-assisted dynamic continuous calcining equipment of the small lithium ion battery material of effect on environment.
The utility model solve its technical problem the technical solution adopted is that, a kind of lithium ion battery material is microwave-assisted dynamic
State continuous calcining equipment, including rotary kiln body, transmission device and power device, power device pass through transmission device and rotary kiln body
It is connected, rotary kiln body includes cylinder of rotary kiln, and independent microwave emitter, microwave hair are continuously disposed on rotary kiln body shell
Waveguide is connected in emitter, waveguide connects cylinder of rotary kiln；The temperature of rotary kiln body difference warm area is by adjusting microwave hair
The microwave power of emitter is controlled；The kiln hood of the rotary kiln body is equipped with discharge device, and kiln tail is equipped with feeder；The revolution
The kiln hood of kiln body is equipped with air-supply rifle, and air-supply rifle is connected to cylinder of rotary kiln, and kiln tail is equipped with exhaust uptake；Inside the rotary kiln body
Sintering atmosphere controlled by the air-supply rifle of kiln hood.
Further, the rotary kiln body is supported on the pedestal of reinforced concrete by support roller and rolling ring, the rotary kiln
The fixed inclination in curves of body is 2-30 %.
Further, the air-supply rifle of the kiln hood conveys one in air, oxygen, nitrogen and argon gas to cylinder of rotary kiln simultaneously
Kind or more than one.
Further, the kiln hood of the rotary kiln body is equipped with kiln end sealing device, and kiln end sealing device is filled using labyrinth seal
It sets or contact sealing device；The kiln tail of the rotary kiln body is equipped with kiln tail sealing device, and kiln tail sealing device is close using contacting
Seal apparatus.
Further, the kiln hood of the rotary kiln body is equipped with kiln head cover, and the kiln tail of the rotary kiln body is equipped with kiln hood,
The tail portion of kiln hood is returning charge storehouse, returns bin bottom and is provided with returning charge outlet, returning charge storehouse is equipped with returning charge door, passes through returning charge storehouse pair
The unrestrained material of charging process and exhaust uptake return the material fallen and are recycled.
Further, the power device is motor, and the transmission device includes retarder, gear mechanism, motor and is slowed down
Device is connected, and retarder is connected with gear mechanism, and gear mechanism is connected with cylinder of rotary kiln；The gear mechanism include driving wheel and
Driven wheel, the retarder are connected with driving wheel, and driving wheel is connected with driven wheel, and driven wheel is mounted on cylinder of rotary kiln, lead to
It crosses gear mechanism and drives cylinder of rotary kiln rotation.
Further, the baffle of the rolling of strength imparting material is equipped with inside the rotary kiln body.
Further, it is equipped with the heat exchanger for making material homogeneous heating inside the rotary kiln body, heat exchanger is panel formula, honeycomb
Formula and it is one of emanant or more than one.
Further, the kiln tail of the rotary kiln is equipped with the retaining ring for preventing material from dropping out.
Further, the cylinder of rotary kiln inner surface is equipped with insulating layer, and insulation layer surface is equipped with heat-resistant layer；Keep the temperature layer material
Be one of aluminium oxide, zirconium oxide and silicon carbide or more than one.
A kind of method for calcinating using the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material, including following step
It is rapid:
1. accurate weighing will be carried out to calcining materials, can carry out if necessary premix and with heating；
2. rotary kiln body is added by feeding device in above-mentioned ready material；
3. control material is averaged fill factor in rotary kiln body as 0-0.8；
4. setting warm area quantity as 9, the warm area temperature from kiln tail to kiln hood is controlled by controlling microwave power,
Respectively 300,450,700,1000,1000,850,600,450 and 250 DEG C；
5. the revolving speed of control rotary kiln body makes residence time 0.1-100h of the material inside rotary kiln body；
6. rifle conveys air and oxygen to rotary kiln body simultaneously by supplying gas, the conveying ratio of air and oxygen is 0-1:
3, and total air output control is in 0-100 m3/h.
Compared with prior art, as follows the advantages of the utility model:
Rotary kiln is applied to the preparation field of lithium ion battery material, is in dynamic always using material in rotary kiln
Feature, and the rolling of suitable baffle strength imparting material is combined, the bonding of material in calcination process is effectively avoided, and add using microwave
Hot mode carries out heating and calcining to material in rotary kiln, effectively avoids the generation of kiln temperature gradient, heat utilization efficiency is high, so that forging
It is excellent to burn obtained lithium ion battery material property consistency, is particularly advantageous to the preparation of nano material, it can be achieved that continuous feed
Continuous discharge increases substantially the efficiency of lithium ion battery material preparation, and generation greenhouse gases are few, and effect on environment is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 1.
Fig. 4 is the C-C cross-sectional view of Fig. 1.
In figure: 1-feeder, 2-exhaust uptakes, 3-kiln hoods, 4-kiln tail sealing devices, 5-retaining rings, 6-microwaves
Transmitter, 7-rotary kiln body shells, 8-heat-resistant layers, 9-heat exchangers, 10-insulating layers, 11-cylinder of rotary kiln, 12-rollings
Circle, 13-kiln end sealing devices, 14-kiln head covers, 15-air-supply rifles, 16-discharge devices, 17-pedestals, 18-support rollers, 19-
Motor, 20-gear mechanisms, 21-returning charge storehouses, 22-returning charges outlet, 23-returning charge doors.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
Referring to Fig.1-4, the present embodiment includes rotary kiln body, transmission device and power device, and power device passes through transmission dress
It sets and is connected with rotary kiln body, rotary kiln body is supported on 17 on the pedestal of reinforced concrete by support roller 18 and rolling ring 12, rotary kiln
The fixed inclination in curves of body is 6 %.Rotary kiln body includes cylinder of rotary kiln 11, is continuously disposed with independence on rotary kiln body shell 7
Microwave emitter 6, waveguide is connected on microwave emitter 6, waveguide connects cylinder of rotary kiln 11；Rotary kiln body not equality of temperature
The temperature in area is controlled by adjusting the microwave power of microwave emitter 6；It is equipped with discharge device 16 in the kiln hood of rotary kiln body,
Kiln tail is equipped with feeder 1.
It is equipped with air-supply rifle 15 in the kiln hood of rotary kiln body, air-supply rifle 15 is connected to cylinder of rotary kiln 11, and kiln tail is equipped with exhaust
Flue 2.In the present embodiment, the air-supply rifle 15 of kiln hood conveys air and oxygen, the conveying of air and oxygen to rotary kiln body simultaneously
Ratio is 2:3, and total conveying capacity of air and oxygen is 8 m3/h, and last gas is discharged by the exhaust uptake 2 of kiln tail.In reality
In, the air-supply rifle 15 of kiln hood can simultaneously to cylinder of rotary kiln 11 convey one of air, oxygen, nitrogen and argon gas or
More than one, and the conveying ratio of gas with various can be arbitrarily adjusted, last gas is discharged by the exhaust uptake 2 of kiln tail.
Be equipped with kiln end sealing device 13 in the kiln hood of rotary kiln body, kiln end sealing device 13 using labyrinth gland or
Contact sealing device；Kiln tail is equipped with kiln tail sealing device 4, and kiln tail sealing device 4 uses contact sealing device.In rotary kiln body
Kiln hood is equipped with kiln head cover 14, and kiln tail is equipped with kiln hood 3, and the tail portion of kiln hood 3 is returning charge storehouse 21, and 21 bottom of returning charge storehouse is provided with
Returning charge outlet 22, returning charge storehouse 21 is equipped with returning charge door 23, passes through the material and exhaust cigarette that 21 pairs of returning charge storehouse charging process is unrestrained
It returns the material fallen and is recycled in road.
Power device is motor 19, and transmission device includes retarder, gear mechanism 20, and motor 19 is connected with retarder, subtracts
Fast device is connected with gear mechanism 20, and gear mechanism 20 is connected with cylinder of rotary kiln 11, and gear mechanism 20 includes driving wheel and driven
Wheel, retarder are connected with driving wheel, and driving wheel is connected with driven wheel, and driven wheel is mounted on cylinder of rotary kiln 11, passes through gear
Mechanism 20 drives cylinder of rotary kiln 11 to rotate.
Baffle and heat exchanger 9, the rolling of baffle energy strength imparting material are disposed with inside rotary kiln body, heat exchanger 9 adds material
It is hot uniform.In the present embodiment, heat exchanger 9 is panel formula, and in practical applications, heat exchanger 9 can be panel formula, honeycomb fashion and put
Penetrate one of formula or more than one.
The kiln tail of rotary kiln is equipped with retaining ring 5, prevents material from dropping out.
11 inner surface of cylinder of rotary kiln is equipped with insulating layer 10, and 10 surface of insulating layer is equipped with heat-resistant layer 8.In the present embodiment, protect
Warm layer material is aluminium oxide, and in practical applications, heat preservation layer material is one of aluminium oxide, zirconium oxide and silicon carbide or one kind
More than.
Material to be sintered is added to inside rotary kiln body by feeder 1, exports lithium-ion electric finally by discharge device 16
Pond material, motor 19 with moving gear 20 rotate, gear 20 drive rotary kiln body rotation, material rotary kiln body internal stops when
Between by control rotary kiln body revolving speed be adjusted；Sintering atmosphere inside rotary kiln body is carried out by the air-supply rifle 15 of kiln hood
Control.
A kind of method for calcinating using above-mentioned microwave-assisted dynamic continuous calcining equipment, comprising the following steps:
1. accurate weighing will be carried out to calcining materials, can carry out if necessary premix and with heating；
2. rotary kiln body is added by feeding device 1 in above-mentioned ready material；
3. control material rotary kiln body be averaged fill factor be 0.05；
4. setting warm area quantity as 9, the warm area temperature from kiln tail to kiln hood is controlled by controlling microwave power,
Respectively 300,450,700,1000,1000,850,600,450 and 250 DEG C；
5. the revolving speed of control rotary kiln body makes residence time 10h of the material inside rotary kiln body；
6. rifle 15 conveys air and oxygen to rotary kiln body simultaneously by supplying gas, the conveying ratio of air and oxygen is 1:
3, and total air output control is in 10 m3/h.
The utility model is continuously disposed with independent microwave emitter 6 on rotary kiln body shell 7, on microwave emitter 6
It is connected with waveguide, waveguide connects cylinder of rotary kiln 11, and the power by controlling rotary kiln body different parts microwave respectively reaches
To the purpose of subregion temperature control；Calcined material is constantly in motion state inside rotary kiln body, then cooperates inside rotary kiln body
Baffle carries out rolling stirring, and materials from bonding can be effectively prevented, and is particularly advantageous to the preparation of nano material；The equipment can the company of realization
Continuous charging continuous discharge, increases substantially the efficiency of lithium ion battery material preparation.
Those skilled in the art can carry out various modifications to the utility model and modification, if these modifications and variations
Within the scope of the claims of the present invention and its equivalent technology, then these modifications and variations are also in the guarantor of the utility model
Within the scope of shield.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (9)
1. a kind of microwave-assisted dynamic continuous calcining equipment of lithium ion battery material, including rotary kiln body, transmission device and power
Device, power device are connected by transmission device with rotary kiln body, and rotary kiln body includes cylinder of rotary kiln, it is characterised in that:
It is continuously disposed with independent microwave emitter on rotary kiln body shell, waveguide, waveguide connection are connected on microwave emitter
Cylinder of rotary kiln；The temperature of rotary kiln body difference warm area is controlled by adjusting the microwave power of microwave emitter；Described time
The kiln hood of rotary kiln body is equipped with discharge device, and kiln tail is equipped with feeder；The kiln hood of the rotary kiln body be equipped with air-supply rifle, air-supply rifle with
Cylinder of rotary kiln connection, kiln tail are equipped with exhaust uptake；Sintering atmosphere inside the rotary kiln body by the air-supply rifle of kiln hood into
Row control.
2. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as described in claim 1, it is characterised in that: described
Rotary kiln body is supported on the pedestal of reinforced concrete by support roller and rolling ring, and the fixed inclination in curves of the rotary kiln body is 2-
30%。
3. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as claimed in claim 1 or 2, it is characterised in that:
The air-supply rifle of the kiln hood simultaneously to one of cylinder of rotary kiln conveying air, oxygen, nitrogen and argon gas or more than one.
4. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as claimed in claim 1 or 2, it is characterised in that:
The kiln hood of the rotary kiln body is equipped with kiln end sealing device, and kiln end sealing device is using labyrinth gland or contact sealing dress
It sets；The kiln tail of the rotary kiln body is equipped with kiln tail sealing device, and kiln tail sealing device uses contact sealing device.
5. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as claimed in claim 1 or 2, it is characterised in that:
The kiln hood of the rotary kiln body is equipped with kiln head cover, and the kiln tail of the rotary kiln body is equipped with kiln hood, and the tail portion of kiln hood is
Returning charge storehouse returns bin bottom and is provided with returning charge outlet, and returning charge storehouse is equipped with returning charge door, unrestrained to charging process by returning charge storehouse
Material and exhaust uptake return the material fallen and are recycled.
6. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as claimed in claim 1 or 2, it is characterised in that:
The power device be motor, the transmission device includes retarder, gear mechanism, and motor is connected with retarder, retarder and
Gear mechanism is connected, and gear mechanism is connected with cylinder of rotary kiln；The gear mechanism includes driving wheel and driven wheel, the deceleration
Device is connected with driving wheel, and driving wheel is connected with driven wheel, and driven wheel is mounted on cylinder of rotary kiln, is driven back by gear mechanism
Rotary kiln barrel body rotation.
7. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as claimed in claim 1 or 2, it is characterised in that:
The baffle of the rolling of strength imparting material is equipped with inside the rotary kiln body；Being equipped with inside the rotary kiln body makes material homogeneous heating
Heat exchanger, heat exchanger be panel formula, honeycomb fashion and it is one of emanant or more than one.
8. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as claimed in claim 1 or 2, it is characterised in that:
The kiln tail of the rotary kiln is equipped with the retaining ring for preventing material from dropping out.
9. the microwave-assisted dynamic continuous calcining equipment of lithium ion battery material as claimed in claim 1 or 2, it is characterised in that:
The cylinder of rotary kiln inner surface is equipped with insulating layer, and insulation layer surface is equipped with heat-resistant layer；Keeping the temperature layer material is aluminium oxide, zirconium oxide
With one of silicon carbide or more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821070824.6U CN208704423U (en) | 2018-07-06 | 2018-07-06 | The microwave-assisted dynamic continuous calcining equipment of lithium ion battery material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821070824.6U CN208704423U (en) | 2018-07-06 | 2018-07-06 | The microwave-assisted dynamic continuous calcining equipment of lithium ion battery material |
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| CN208704423U true CN208704423U (en) | 2019-04-05 |
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| CN201821070824.6U Active CN208704423U (en) | 2018-07-06 | 2018-07-06 | The microwave-assisted dynamic continuous calcining equipment of lithium ion battery material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759459A (en) * | 2018-07-06 | 2018-11-06 | 中南大学 | Lithium ion battery material microwave radiation technology dynamic continuous calcining equipment and method for calcinating |
| CN112707377A (en) * | 2021-01-07 | 2021-04-27 | 天华化工机械及自动化研究设计院有限公司 | System and method for efficiently and continuously producing anhydrous iron phosphate |
-
2018
- 2018-07-06 CN CN201821070824.6U patent/CN208704423U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759459A (en) * | 2018-07-06 | 2018-11-06 | 中南大学 | Lithium ion battery material microwave radiation technology dynamic continuous calcining equipment and method for calcinating |
| CN112707377A (en) * | 2021-01-07 | 2021-04-27 | 天华化工机械及自动化研究设计院有限公司 | System and method for efficiently and continuously producing anhydrous iron phosphate |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221130 Address after: No. 5, Shangxian West Road, New Third Board Industrial Park, Pingxiang Economic and Technological Development Zone, Pingxiang City, Jiangxi Province, 337,000 Patentee after: Jiangxi Chaoshi New Energy Technology Co.,Ltd. Address before: 410083 Hunan province Changsha Lushan Road No. 932 Patentee before: CENTRAL SOUTH University |
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| TR01 | Transfer of patent right |