CN108607489A - A kind of modified prepares lithium titanate reaction unit - Google Patents

A kind of modified prepares lithium titanate reaction unit Download PDF

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Publication number
CN108607489A
CN108607489A CN201810470666.1A CN201810470666A CN108607489A CN 108607489 A CN108607489 A CN 108607489A CN 201810470666 A CN201810470666 A CN 201810470666A CN 108607489 A CN108607489 A CN 108607489A
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CN
China
Prior art keywords
reaction kettle
lithium titanate
air
pipe
inlet pipe
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Application number
CN201810470666.1A
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Chinese (zh)
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高明伦
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Individual
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Priority to CN201810470666.1A priority Critical patent/CN108607489A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/0066Stirrers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485Selection 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy 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 modifieds to prepare lithium titanate reaction unit,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

A kind of modified prepares lithium titanate reaction unit
The application is filed on 04 21st, 2018, application No. is 201810363555.0, a kind of entitled system The divisional application of the patent of the reaction unit of standby lithium titanate precursor.
Technical field
The present invention relates to chemical equipment technical field, specially a kind of modified prepares lithium titanate reaction unit.
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 modifieds to prepare lithium titanate reaction unit, to solve in above-mentioned background technology It is proposed that the lithium titanate precursor quality prepared 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 modified prepares lithium titanate reaction unit, wraps It includes reaction kettle, is respectively arranged with air gauge and air valve above the outer surface of the reaction kettle, among the outer surface of the reaction kettle It is 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 water outlet The outer surface lower section of pipe, the reaction kettle is provided with blow tank, and head cover, the top of the head cover are provided at the top of the reaction kettle Portion 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 is through having bearing, the bottom of the bearing to be provided with shaft, and the both sides of the shaft are provided with paddle, the head cover The other side has extended through feed inlet and escape pipe, and the bottom of the air inlet pipe and an air outlet pipe is both provided with check-valves, it is described go out Tracheae 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 gas storage The inner surface of 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 is provided with heating tube, and 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 of modified prepares lithium titanate reaction unit, is provided with Paddle, paddle are provided with three groups, every group of two panels, and every centered on shaft, and " mirror image " symmetrically, while paddle is embedding The both sides for entering shaft, by rotation, paddle can adequately stir evenly the raw materials of compound inside reaction kettle, improve The quality for preparing lithium titanate precursor, is provided with water inlet pipe and outlet pipe, and water inlet pipe is located at same horizontal line with outlet pipe On, and water inlet pipe and outlet pipe can fill water, by two water pipes in same by water inlet pipe through reaction kettle in heating layer On one 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 modified prepares lithium titanate reaction unit, including Reaction kettle 1, temperature control panel 3, blow tank 4, hydralic pressure gauge 5, air valve 6, outlet pipe 7, tracheae 8, air accumulator 9, goes out water inlet pipe 2 Tracheae 10, feed inlet 11, electric rotating machine 12, air inlet pipe 13, visor 14, bearing 15, shaft 16, temperature sensor 17, paddle 18, heating tube 19, insulating layer 20, heating layer 21, non-return 22, head cover 23, flange 24 and aspiration pump 25, the outer surface of reaction kettle 1 Top is respectively arranged with air gauge 5 and air valve 6, and temperature control panel 3 is provided among the outer surface of reaction kettle 1, reaction kettle 1 Side is provided with water inlet pipe 2, and the other side of reaction kettle 1 is provided with outlet pipe 7, and water inlet pipe 2 is located at same horizontal line with outlet pipe 7 On, and water inlet pipe 2 and outlet pipe 7 can fill water, by two water by water inlet pipe 2 through reaction kettle 1 in heating layer 21 Pipe is in same horizontal line, and the problem of pressure difference is addressed, and water can be stored in heating layer 21, the outer surface of reaction kettle 1 Lower section is provided with blow tank 4, and 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 The top center of air inlet pipe 13, head cover 23 is provided with electric rotating machine 12, the bottom of electric rotating machine 12, which is run through, bearing 15, bearing 15 bottom 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 of two panels, And every centered on shaft 16, " mirror image " symmetrically, while paddle 18 is embedded in the both sides of shaft 16, by rotation, stirs Can adequately the raw materials of compound inside reaction kettle 1 be stirred evenly by mixing leaf 18, improved and prepared lithium titanate precursor Quality, the other side of head cover 23 have extended through feed inlet 11 and escape pipe 10, and the bottom of air inlet pipe 13 and escape pipe 10 is all provided with It is equipped 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, described The bottom of 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 It is flexibly connected by tracheae 8 with escape pipe 10, air accumulator 9 collects the exhaust gas of the generation of reaction kettle 1, is 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 (5)

1. a kind of modified prepares lithium titanate reaction unit, including reaction kettle (1), it is characterised in that:Outside the reaction kettle (1) Surface is respectively arranged with air gauge (5) and air valve (6), and temperature control is provided among the outer surface of the reaction kettle (1) The side of panel (3), the reaction kettle (1) is provided with water inlet pipe (2), and the other side of the reaction kettle (1) is provided with outlet pipe (7), it 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), the water inlet pipe (2) with go out Water pipe (7) is located in same horizontal line, and the water inlet pipe (2) and outlet pipe (7) are through reaction kettle (1).
2. a kind of modified according to claim 1 prepares lithium titanate reaction unit, 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 modified according to claim 1 prepares lithium titanate reaction unit, 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.
4. a kind of modified according to claim 1 prepares lithium titanate reaction unit, 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.
5. a kind of modified according to claim 1 prepares lithium titanate reaction unit, 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).
CN201810470666.1A 2018-04-21 2018-04-21 A kind of modified prepares lithium titanate reaction unit Withdrawn CN108607489A (en)

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CN201810470666.1A CN108607489A (en) 2018-04-21 2018-04-21 A kind of modified prepares lithium titanate reaction unit

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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

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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

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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
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

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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

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