CN108435114A - A kind of reaction unit preparing lithium titanate precursor - Google Patents
A kind of reaction unit preparing lithium titanate precursor Download PDFInfo
- Publication number
- CN108435114A CN108435114A CN201810363555.0A CN201810363555A CN108435114A CN 108435114 A CN108435114 A CN 108435114A CN 201810363555 A CN201810363555 A CN 201810363555A CN 108435114 A CN108435114 A CN 108435114A
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- CN
- China
- Prior art keywords
- reaction kettle
- lithium titanate
- reaction
- air
- inlet pipe
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of reaction units preparing lithium titanate precursor,Including reaction kettle,It is respectively arranged with air gauge and air valve above the outer surface of reaction kettle,It is provided with temperature control panel among the outer surface of reaction kettle,The side of reaction kettle is provided with water inlet pipe,The other side of reaction kettle is provided with outlet pipe,It is provided with blow tank below the outer surface of reaction kettle,Head cover is provided at the top of reaction kettle,The top side of head cover has extended through visor and air inlet pipe,The top center of head cover is provided with electric rotating machine,The bottom of electric rotating machine, which is run through, bearing,The bottom of bearing is provided with shaft,It is provided with air accumulator,The volume of air accumulator is the half of reactor volume,And air accumulator is flexibly connected with escape pipe by tracheae,Air accumulator collects the exhaust gas that reaction kettle generates,The exhaust gas generated after making reaction kettle prepare,The pollution environment left about will not disorderly be arranged.
Description
Technical field
The present invention relates to chemical equipment technical field, specially a kind of reaction unit preparing lithium titanate precursor.
Background technology
Have many advantages, such as rapid charging performance, long-life, high security, especially recent years by the battery of cathode of lithium titanate
Obtain the favor of capital market.But the electronic conductivity of the material is low, the easy flatulence of lithium titanate battery of assembling, practical application
In it is mostly be that above-mentioned disadvantage is solved by element doping or material with carbon-coated surface, currently, element doping lithium titanate is mostly by solid
It mixes and is obtained in conjunction with rear calcination process.
The reaction unit of existing lithium titanate precursor, when reaction, stir uneven, it is difficult to accomplish controllably to coat, this will
Product quality is influenced, expected effect is not achieved, cannot be satisfied application request, and the reaction of existing lithium titanate precursor
Device, the gas prepared after generating can be right, and the gas given off can cause environmental pollution, while existing lithium titanate precursor
Reaction unit, the generation of lithium titanate precursor can not be controlled by effective means.
Invention content
The purpose of the present invention is to provide a kind of reaction units preparing lithium titanate precursor, to solve above-mentioned background technology
The middle lithium titanate precursor quality for proposing to prepare is low, the problem of can not controlling not environmentally and effectively.
To achieve the above object, the present invention provides the following technical solutions：A kind of reaction unit preparing lithium titanate precursor,
Including reaction kettle, it is respectively arranged with air gauge and air valve above the outer surface of the reaction kettle, in the outer surface of the reaction kettle
Between be provided with temperature control panel, the side of the reaction kettle is provided with water inlet pipe, and the other side of the reaction kettle is provided with out
The outer surface lower section of water pipe, the reaction kettle is provided with blow tank, and head cover is provided at the top of the reaction kettle, the head cover
Top side has extended through visor and air inlet pipe, and the top center of the head cover is provided with electric rotating machine, the electric rotating machine
Bottom through thering is bearing, the bottom of the bearing to be provided with shaft, the both sides of the shaft are provided with paddle, the head cover
The other side extended through feed inlet and escape pipe, the bottom of the air inlet pipe and an air outlet pipe is both provided with check-valves, described
Escape pipe has tracheae, the bottom end of the tracheae to be connected with aspiration pump by flanged joint, and the bottom of the aspiration pump is provided with storage
The inner surface of gas tank, the reaction kettle is provided with insulating layer, and the inner surface of the insulating layer is provided with heating layer, the heating layer
Bottom be provided with heating tube, the inside of the heating layer and reaction kettle is both provided with temperature sensor.
Preferably, the paddle is provided with three groups, every group of two panels, and every centered on shaft, " mirror image " symmetrically, together
When paddle be embedded in the both sides of shaft.
Preferably, the water inlet pipe is located at outlet pipe in same horizontal line, and the water inlet pipe and outlet pipe run through
In reaction kettle.
Preferably, the heating tube is provided with more, and the equidistant bottom for being arranged in heating layer of heating tube.
Preferably, the internal capacity of the air accumulator is more than the internal capacity of reaction kettle, and the air accumulator and escape pipe
It is flexibly connected by tracheae.
Preferably, the insulating layer is hollow structure, and the insulating layer is embedded in the inner surface of reaction kettle.
Compared with prior art, the beneficial effects of the invention are as follows：This kind prepares the reaction unit of lithium titanate precursor, setting
There is a paddle, paddle is provided with three groups, every group of two panels, and every centered on shaft, and " mirror image " symmetrically, while paddle is equal
The both sides of shaft are embedded in, by rotation, the raw materials of compound inside reaction kettle can be stirred evenly adequately, be carried by paddle
The high quality for preparing lithium titanate precursor, is provided with water inlet pipe and outlet pipe, water inlet pipe is located at same level with outlet pipe
On line, and water inlet pipe and outlet pipe can fill water by water inlet pipe through reaction kettle in heating layer, by two water pipes in
In same horizontal line, the problem of pressure difference, is addressed, and water can be stored in heating layer, and carrying out water temperature steam to reaction kettle adds
Heat is provided with air accumulator, and the internal capacity of air accumulator is more than the internal capacity of reaction kettle, and air accumulator passes through tracheae with escape pipe
Flexible connection, air accumulator collect the exhaust gas that reaction kettle generates, the exhaust gas that generates after making reaction kettle prepare, and will not disorderly arrange and leave about
Environment is polluted, is provided with insulating layer, insulating layer is hollow structure, and insulating layer is embedded in the inner surface of reaction kettle, insulating layer energy
So that the heat of heating layer is not quickly volatilized, reduce and prepare the consumed energy, improves preparation and generate lithium titanate precursor
Efficiency, be provided with heating tube, heating tube is provided with more, and the equidistant bottom for being arranged in heating layer of heating tube, adds
Heat pipe can be such that water heats rapidly, and the temperature of water can make the compound fast reaction inside reaction kettle, improve preparation production
Efficiency.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is reaction kettle planar structure schematic diagram of the present invention；
Fig. 3 is escape pipe of the present invention and tracheae structural schematic diagram.
In figure：1, reaction kettle, 2, water inlet pipe, 3, temperature control panel, 4, blow tank, 5, hydralic pressure gauge, 6, air valve, 7, water outlet
Pipe, 8, tracheae, 9, air accumulator, 10, escape pipe, 11, feed inlet, 12, electric rotating machine, 13, air inlet pipe, 14, visor, 15, bearing,
16, shaft, 17, temperature sensor, 18, paddle, 19, heating tube, 20, insulating layer, 21, heating layer, 22, check-valves, 23, top
Lid, 24, flange, 25, aspiration pump.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of reaction unit preparing lithium titanate precursor, packet
Include reaction kettle 1, water inlet pipe 2, temperature control panel 3, blow tank 4, hydralic pressure gauge 5, air valve 6, outlet pipe 7, tracheae 8, air accumulator 9,
Escape pipe 10, feed inlet 11, electric rotating machine 12, air inlet pipe 13, visor 14, bearing 15, shaft 16, temperature sensor 17, stirring
Leaf 18, heating tube 19, insulating layer 20, heating layer 21, non-return 22, head cover 23, flange 24 and aspiration pump 25, the appearance of reaction kettle 1
It is respectively arranged with air gauge 5 and air valve 6 above face, temperature control panel 3, reaction kettle 1 are provided among the outer surface of reaction kettle 1
Side be provided with water inlet pipe 2, the other side of reaction kettle 1 is provided with outlet pipe 7, and water inlet pipe 2 is located at same level with outlet pipe 7
On line, and water inlet pipe 2 and outlet pipe 7 can fill water, by two by water inlet pipe 2 through reaction kettle 1 in heating layer 21
Water pipe is in same horizontal line, and the problem of pressure difference is addressed, and water can be stored in heating layer 21, the appearance of reaction kettle 1
It is provided with blow tank 4 below face, the top of reaction kettle 1 is provided with head cover 23, and the top side of head cover 23 has extended through visor
14 and air inlet pipe 13, the top center of head cover 23 is provided with electric rotating machine 12, and the bottom of electric rotating machine 12 is through having bearing 15, axis
The bottom for holding 15 is provided with shaft 16, and the both sides of shaft 16 are provided with paddle 18, and paddle 18 is provided with three groups, every group two
Piece, and every centered on shaft 16, " mirror image " symmetrically, while paddle 18 is embedded in the both sides of shaft 16, by rotation,
Paddle 18 can adequately stir evenly the raw materials of compound inside reaction kettle 1, improve and prepare lithium titanate precursor
Quality, the other side of head cover 23 extended through feed inlet 11 and escape pipe 10, and the bottom of air inlet pipe 13 and escape pipe 10 is equal
It is provided with check-valves 22, escape pipe 10 is connected with tracheae 8 by flange 24, and the bottom end of the tracheae 8 is connected with aspiration pump 25, institute
The bottom for stating aspiration pump 25 is provided with air accumulator 9, and the internal capacity of air accumulator 9 is more than the internal capacity of reaction kettle 1, and air accumulator
9 are flexibly connected with escape pipe 10 by tracheae 8, and air accumulator 9 collects the exhaust gas of the generation of reaction kettle 1, are produced after so that reaction kettle 1 is prepared
Raw exhaust gas will not disorderly arrange the pollution environment left about, and the inner surface of reaction kettle 1 is provided with insulating layer 20, and insulating layer 20 is hollow
Structure, and insulating layer 20 is embedded in the inner surface of reaction kettle 1, insulating layer 20 can be such that the heat of heating layer 21 does not quickly wave
Hair reduces and prepares the consumed energy, improves the efficiency for preparing and generating lithium titanate precursor, the inner surface setting of insulating layer 20
There are heating layer 21, the bottom of heating layer 21 to be provided with heating tube 19, heating tube 19 is provided with more, and heating tube 19 is equidistant
The bottom for being arranged in heating layer 21, heating tube 19 can be such that water heats rapidly, and the temperature of water can make the change inside reaction kettle 1
Object fast reaction is closed, the efficiency for preparing production is improved, the inside of heating layer 21 and reaction kettle 1 is both provided with temperature sensor
17。
Operation principle：It prepares personnel first to need through feed inlet 11, it would be desirable to which the salting liquid and lithium salts of doped chemical are molten
Liquid introduces the inside of reaction kettle 1, then titanium dioxide is introduced in reaction kettle 14, if obtaining carbon or carbon nanometer material, graphene coated
Lithium titanate, need to expect carbon nanometer or graphene slurry introduce in reaction kettle 1, restart aspiration pump 25, from escape pipe 10
Air inside reaction kettle 1 is pumped, reaction atmosphere gas is imported by air inlet pipe 13, is closed into and out of the air port of tracheae 10, so
After be then turned on electric rotating machine 13, electric rotating machine 13 can drive 16 high speed rotation of shaft by bearing 15, then the high speed of shaft 15
Rotation can drive the quick stirring of paddle 18, the quick stirring of paddle 18 that can be stirred to compound and gas, then
Preparation personnel fill water by water inlet pipe 2 in heating layer 21, and then controlling the setting of heating tube 19 by temperature control panel 3 needs
It wants reaction temperature, compound that can adequately be reacted under certain rotating speed and reaction temperature with gas, after reaction, leads to
Excess temperature control panel 3 closes heating tube 19, opens the air port of escape pipe 10, is collected to exhaust gas by air accumulator 9, leads to
Excess temperature sensor 17 releases 1 reaction product of reaction kettle by the show value on temperature control panel 3 under room temperature, you can
Obtain the presoma of lithium titanate.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of reaction unit preparing lithium titanate precursor, including reaction kettle (1), it is characterised in that：The reaction kettle (1)
It is respectively arranged with air gauge (5) and air valve (6) above outer surface, temperature control is provided among the outer surface of the reaction kettle (1)
The side of panel (3) processed, the reaction kettle (1) is provided with water inlet pipe (2), and the other side of the reaction kettle (1) is provided with water outlet
It manages (7), is provided with blow tank (4) below the outer surface of the reaction kettle (1), head cover is provided at the top of the reaction kettle (1)
(23), the top side of the head cover (23) has extended through visor (14) and air inlet pipe (13), the top of the head cover (23)
Centre is provided with electric rotating machine (12), and the bottom of the electric rotating machine (12), which is run through, bearing (15), the bottom of the bearing (15)
Portion is provided with shaft (16), and the both sides of the shaft (16) are provided with paddle (18), the other side difference of the head cover (23)
Through having a feed inlet (11) and escape pipe (10), the bottom of the air inlet pipe (13) and escape pipe (10) is both provided with check-valves
(22), the escape pipe (10) is connected with tracheae (8) by flange (24), and the bottom end of the tracheae (8) is connected with aspiration pump
(25), the bottom of the aspiration pump (25) is provided with air accumulator (9), and the inner surface of the reaction kettle (1) is provided with insulating layer
(20), the inner surface of the insulating layer (20) is provided with heating layer (21), and the bottom of the heating layer (21) is provided with heating tube
(19), the inside of the heating layer (21) and reaction kettle (1) is both provided with temperature sensor (17).
2. a kind of reaction unit preparing lithium titanate precursor according to claim 1, it is characterised in that：The paddle
(18) three groups are provided with, every group of two panels, and every centered on shaft (16), " mirror image " symmetrically, while paddle (18) is embedding
Enter the both sides of shaft (16).
3. a kind of reaction unit preparing lithium titanate precursor according to claim 1, it is characterised in that：The water inlet pipe
(2) it is located in same horizontal line with outlet pipe (7), and the water inlet pipe (2) and outlet pipe (7) are through reaction kettle (1).
4. a kind of reaction unit preparing lithium titanate precursor according to claim 1, it is characterised in that：The heating tube
(19) more, and the equidistant bottom for being arranged in heating layer (21) of heating tube (19) are provided with.
5. a kind of reaction unit preparing lithium titanate precursor according to claim 1, it is characterised in that：The air accumulator
(9) internal capacity is more than the internal capacity of reaction kettle (1), and the air accumulator (9) and escape pipe (10) are living by tracheae (8)
Dynamic connection.
6. a kind of reaction unit preparing lithium titanate precursor according to claim 1, it is characterised in that：The insulating layer
(20) it is hollow structure, and the insulating layer (20) is embedded in the inner surface of reaction kettle (1).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464841.6A CN108654541A (en) | 2018-04-21 | 2018-04-21 | A kind of reaction unit of novel precursor |
| CN201810363555.0A CN108435114A (en) | 2018-04-21 | 2018-04-21 | A kind of reaction unit preparing lithium titanate precursor |
| CN201810470666.1A CN108607489A (en) | 2018-04-21 | 2018-04-21 | A kind of modified prepares lithium titanate reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363555.0A CN108435114A (en) | 2018-04-21 | 2018-04-21 | A kind of reaction unit preparing lithium titanate precursor |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470666.1A Division CN108607489A (en) | 2018-04-21 | 2018-04-21 | A kind of modified prepares lithium titanate reaction unit |
| CN201810464841.6A Division CN108654541A (en) | 2018-04-21 | 2018-04-21 | A kind of reaction unit of novel precursor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108435114A true CN108435114A (en) | 2018-08-24 |
Family
ID=63201301
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810464841.6A Withdrawn CN108654541A (en) | 2018-04-21 | 2018-04-21 | A kind of reaction unit of novel precursor |
| CN201810470666.1A Withdrawn CN108607489A (en) | 2018-04-21 | 2018-04-21 | A kind of modified prepares lithium titanate reaction unit |
| CN201810363555.0A Pending CN108435114A (en) | 2018-04-21 | 2018-04-21 | A kind of reaction unit preparing lithium titanate precursor |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810464841.6A Withdrawn CN108654541A (en) | 2018-04-21 | 2018-04-21 | A kind of reaction unit of novel precursor |
| CN201810470666.1A Withdrawn CN108607489A (en) | 2018-04-21 | 2018-04-21 | A kind of modified prepares lithium titanate reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108654541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354440A (en) * | 2021-11-29 | 2022-04-15 | 南大光电半导体材料有限公司 | Device for detecting gasification characteristics of precursor material and using method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116678217B (en) * | 2023-08-03 | 2023-10-13 | 四川士达贸易有限公司 | Graphitization process and equipment for lithium battery cathode material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206642722U (en) * | 2017-04-13 | 2017-11-17 | 山东玉皇新能源科技有限公司 | A kind of reaction unit for preparing lithium titanate precursor |
| CN208554148U (en) * | 2018-04-21 | 2019-03-01 | 高明伦 | A kind of reaction unit preparing lithium titanate precursor |
-
2018
- 2018-04-21 CN CN201810464841.6A patent/CN108654541A/en not_active Withdrawn
- 2018-04-21 CN CN201810470666.1A patent/CN108607489A/en not_active Withdrawn
- 2018-04-21 CN CN201810363555.0A patent/CN108435114A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206642722U (en) * | 2017-04-13 | 2017-11-17 | 山东玉皇新能源科技有限公司 | A kind of reaction unit for preparing lithium titanate precursor |
| CN208554148U (en) * | 2018-04-21 | 2019-03-01 | 高明伦 | A kind of reaction unit preparing lithium titanate precursor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354440A (en) * | 2021-11-29 | 2022-04-15 | 南大光电半导体材料有限公司 | Device for detecting gasification characteristics of precursor material and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108654541A (en) | 2018-10-16 |
| CN108607489A (en) | 2018-10-02 |
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Application publication date: 20180824 |