CN105289806B - A kind of lithium battery material microwave radiation technology ball-grinding machine and Ginding process - Google Patents

A kind of lithium battery material microwave radiation technology ball-grinding machine and Ginding process Download PDF

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Publication number
CN105289806B
CN105289806B CN201510788125.XA CN201510788125A CN105289806B CN 105289806 B CN105289806 B CN 105289806B CN 201510788125 A CN201510788125 A CN 201510788125A CN 105289806 B CN105289806 B CN 105289806B
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China
Prior art keywords
ball
ball grinder
lithium battery
lid
shell body
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Expired - Fee Related
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CN201510788125.XA
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Chinese (zh)
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CN105289806A (en
Inventor
吴继华
张新华
闫庆军
何绍木
闫书恒
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University of Shaoxing
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University of Shaoxing
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18Details

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention discloses a kind of lithium battery material microwave radiation technology ball-grinding machine and Ginding process, including shell body, there is ball grinder to place cavity at the middle part of the shell body, multiple microwave emitters are fixed with the lateral wall of shell body, waveguide has been connected on microwave emitter, waveguide connects ball milling and places cavity, ball grinder sleeve is placed in ball grinder in cavity, lid is covered at the top of outer housing, the bottom surface edge of lid has the connecting pole extended downwardly, there is the jack corresponding with connecting pole on the top end face of shell body, the bottom surface of jack is fixed with magnetic block, connecting pole sleeve is in jack and adsorbs on magnetic block;Its equipment is simple, and compact is stable, and ball milling and microwave heating and material functions/drying are concentrated in same equipment, greatly improve the efficiency of new material preparation.

Description

A kind of lithium battery material microwave radiation technology ball-grinding machine and Ginding process
Technical field:
The present invention relates to microwave milling apparatus technical field, more specifically to a kind of lithium battery material microwave radiation technology ball Grind equipment and Ginding process.
Background technology:
Microwave is a kind of efficient and environmentally friendly Novel heating energy, with selectivity plus thermal property, so that in material Separation, ore have also played its excellent characteristic in terms of crushing.Microwave heating method is compared with conventional heat radiation heating means Have the advantages that a lot, synthetic material is simple and quick, material generation particle is uniform and with uniform space;In addition, microwave method To controlling large-scale synthesis especially effective, because it can reduce the influence of thermal gradient to greatest extent.
Ball-milling method is the main stream approach for being industrially applied to prepare nanometer powder in the world at present.But ball-milling method is in system For being primarily present in nanometer powder, the ball action time is long, and product great efforts, granular size is uneven, and poor repeatability etc. mainly lacks Point, becomes the bottleneck that limitation ball-milling method is industrially widely used in nanometer powder preparation.Both combinations can be carried significantly The effect of height grinding, but existing milling apparatus volume is big, grinding and heating are separated, and leverage material preparation efficiency.
The content of the invention:
The purpose of the present invention be overcome the deficiencies in the prior art there is provided a kind of lithium battery material microwave radiation technology ball-grinding machine and Ginding process, its equipment is simple, and compact is stable, and ball milling and microwave heating and material functions/drying concentrate on same In equipment, the efficiency of new material preparation is greatly improved.
The scheme that the present invention solves the technical problem is:
A kind of lithium battery material microwave radiation technology ball-grinding machine, including shell body, the middle part of the shell body has ball grinder Place to be fixed with multiple microwave emitters, microwave emitter on cavity, the lateral wall of shell body and connected waveguide, waveguide Connect ball grinder and place cavity, ball grinder sleeve is placed in ball grinder in cavity, and lid is covered at the top of outer housing, lid Bottom surface edge, which has, has the jack corresponding with connecting pole on the connecting pole extended downwardly, the top end face of shell body, jack Bottom surface is fixed with magnetic block, and connecting pole sleeve is in jack and adsorbs on magnetic block;
The middle top surface of lid is fixed with motor, the output shaft of motor and is fixed with eccentric shaft, and eccentric shaft is worn Cross lid and stretch into ball grinder, the outer wall of the eccentric axial portion of eccentric shaft is fixed with gag lever post, and gag lever post sleeve is in ball grinder In the limited impression having on madial wall, the top surface of the lid is further fixed on vavuum pump, and the air inlet pipe of vavuum pump passes through lid Communicated with ball grinder, be additionally provided with lid on through hole, through hole and be fixed with plug.
There is annular stop groove, the top of ball grinder has what is stretched out on the madial wall of the top surface of the shell body Position-limited edge, position-limited edge is corresponding with annular stop groove.
The ball grinder is placed and is fixed with Elastic Block on the madial wall of cavity, and the outer wall of ball grinder is relative with Elastic Block Should, the bottom surface of annular stop groove and side wall are respectively and fixedly provided with wear-resistant block.
The middle part bottom surface of the lid is fixed with Elastic Block, and upper Elastic Block is pressed against on the top end face of ball grinder.
The ball grinder, which is placed, has brace groove in the middle part of the bottom surface of cavity, the middle part of brace groove has what is extended downwardly Connecting hole, adapter sleeve is hinged in connecting hole, and the middle part bottom surface of lower Elastic Block has in the support column extended downwardly, support column Buffer spring is inserted with, buffer spring and support column sleeve are in adapter sleeve, and the bottom of adapter sleeve is put forth effort in one end of buffer spring Face, the other end are put forth effort in lower Elastic Block, and lower Elastic Block is pressed against on the bottom surface of ball grinder.
Temperature sensor is additionally provided with the shell body.
The outer wall and inwall of the ball grinder have heat-insulation layer, and ball grinder is made up of zirconium dioxide material.
The heat-insulation layer includes outer layer, middle part layer and internal layer, and outer layer and internal layer are alumina layer, and middle part layer is carborundum Layer.
A kind of Ginding process using above-mentioned ball-grinding machine, comprises the following steps:
(1), grinding raw material are mixed according to ratio requirement, consumption and the weighing of material requested is calculated, is accurate to 0.0001g;
(2), grinding raw material are added to the ball grinder (30) of the said equipment, alcohol is added, equipment, selection ball milling speed is opened Spend for 100r/min to 200r/min, Ball-milling Time 5 to 6 hours;600 DEG C of design temperature, heat time 20min;
(3), system automatically controls heat time and ball milling speed, after the completion of, 60 DEG C of heating-up temperature of setting, time 20min, Be dried, after the completion of take out sample, electrode material of lithium battery is made.
The present invention protrusion effect be:
Compared with prior art, its equipment is simple, and compact is stable, and ball milling and microwave heating and material are dried Function is concentrated in same equipment, greatly improves the efficiency of new material preparation.
Meanwhile, its vavuum pump having can be vacuumized ball grinder, so that oxidation reaction when reducing grinding, from And improve the purity and effect of grinding.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of the present invention;
Fig. 3 is the partial structural diagram of the heat-insulation layer of the present invention.
Embodiment:
Embodiment, is shown in as shown in Figure 1 to Figure 3, a kind of lithium battery material microwave radiation technology ball-grinding machine, including shell body 10, The middle part of the shell body 10 has is fixed with multiple microwave emitters on ball grinder placement cavity 11, the lateral wall of shell body 10 20, waveguide 21 is connected on microwave emitter 20, waveguide 21 connects ball grinder and places cavity 11, and the sleeve of ball grinder 30 is in ball Grinding jar is placed in cavity 11, and lid 40 is covered at the top of shell body 10, and the bottom surface edge of lid 40 has the company extended downwardly Connecing has the jack 12 corresponding with connecting pole 41 on post 41, the top end face of shell body 10, the bottom surface of jack 12 is fixed with strong magnetic Block 13, the sleeve of connecting pole 41 is in jack 12 and adsorbs on magnetic block 13;
The middle top surface of lid 40 is fixed with motor 42, the output shaft of motor 42 and is fixed with eccentric shaft 421, Eccentric shaft 421 is through lid 40 and stretches into ball grinder 30, and the outer wall of the eccentric axial portion of eccentric shaft 421 is fixed with gag lever post 43, In the limited impression 31 that the sleeve of gag lever post 43 has on the madial wall of ball grinder 30, the top surface of the lid 40 is further fixed on very Empty pump 45, the air inlet pipe of vavuum pump 45 is communicated through lid 40 with ball grinder 30, is additionally provided with lid 40 on through hole 46, through hole 46 It is fixed with plug 47.
Further, there is annular stop groove 130 on the madial wall of the top surface of the shell body 10, ball grinder 30 Top has the position-limited edge 32 stretched out, and position-limited edge 32 is corresponding with annular stop groove 130.
Further, the ball grinder is placed and is fixed with Elastic Block 14 on the madial wall of cavity 11, ball grinder 30 Outer wall is corresponding with Elastic Block 14, and the bottom surface of annular stop groove 130 and side wall are respectively and fixedly provided with wear-resistant block 15.
Further, the middle part bottom surface of the lid 40 is fixed with Elastic Block 48, and upper Elastic Block 48 is pressed against On the top end face of ball grinder 30.
Further, the ball grinder, which is placed, has brace groove 16 in the middle part of the bottom surface of cavity 11, brace groove 16 Middle part has the connecting hole 17 extended downwardly, and adapter sleeve 18 is hinged in connecting hole 17, the middle part bottom surface tool of lower Elastic Block 19 Have and buffer spring 192 is inserted with the support column 191 extended downwardly, support column 191, buffer spring 192 and the sleeve of support column 191 In adapter sleeve 18, one end of buffer spring 192 puts forth effort on the bottom surface of adapter sleeve 18, the other end and puts forth effort on lower Elastic Block 19 On, lower Elastic Block 19 is pressed against on the bottom surface of ball grinder 30.
Further, it is additionally provided with temperature sensor 50 in the shell body 10.
Further, the outer wall and inwall of the ball grinder 30 have heat-insulation layer 1, and ball grinder 30 is zirconium dioxide material It is made.
Further, the heat-insulation layer 1 includes outer layer 1a, middle part layer 1b and internal layer 1c, and outer layer 1a and internal layer 1c are Alumina layer, middle part layer 1b is silicon carbide layer.
A kind of Ginding process using above-mentioned ball-grinding machine, comprises the following steps:
(1), grinding raw material are mixed according to ratio requirement, consumption and the weighing of material requested is calculated, is accurate to 0.0001g;
(2), grinding raw material are added to the ball grinder (30) of the said equipment, alcohol is added, equipment, selection ball milling speed is opened Spend for 100r/min to 200r/min, Ball-milling Time 5 to 6 hours;600 DEG C of design temperature, heat time 20min;Wherein, ball milling Speed be according to the different choice of the material of placement be adapted speed control, its scope be 100r/min to 200r/min, and Ball-milling Time is also the time according to different material options adaptations, and its scope is generally 5 to 6 hours, and design temperature 600 DEG C, heat time 20min is also can be according to the different temperature of different material selections and heat time, and generally sets temperature 600 DEG C of degree, heat time 20min.
(3), system automatically controls heat time and ball milling speed, after the completion of, 60 DEG C of heating-up temperature of setting, time 20min, Be dried, after the completion of take out sample, electrode material of lithium battery is made.
In the present embodiment, covered by lid 40 at the top of shell body 10, the bottom surface edge of lid 40 has to downward There is the jack 12 corresponding with connecting pole 41, the bottom surface of jack 12 is fixed on the connecting pole 41 stretched, the top end face of shell body 10 Have a magnetic block 13, the sleeve of connecting pole 41 is in jack 12 and adsorbs on magnetic block 13 so that its lid 40 cover sealing and Cover firmly, and the vavuum pump 45 which is provided with can carry out vacuumize process to ball grinder 30, so that it is in ball milling The possibility of oxidation reaction is reduced, the effect of grinding is improved.
And when needing air inlet, it is only necessary to plug 47 is taken out from through hole 46, plug 47 is consolidated by the way of being spirally connected It is scheduled on the side wall of through hole 46.
And the buffer spring 192 in the present embodiment can cause ball grinder 30 to be in when ball grinder is placed in cavity 11 with covering It is pressed against closely between body 40, so as to greatly improve its rotating effect, and ensures sealing.And can be caused by eccentric shaft 421 Ball grinder 30 realizes eccentric rotary, so that the mill ball in ball grinder 30 is ground so that grinding effect is more preferable.
Finally, embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, relevant technical field Those of ordinary skill, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore All equivalent technical schemes fall within scope of the invention, and scope of patent protection of the invention should be defined by the claims.

Claims (9)

1. a kind of lithium battery material microwave radiation technology ball-grinding machine, including shell body (10), it is characterised in that:The shell body (10) Middle part there is ball grinder to place cavity (11), be fixed with multiple microwave emitters (20) on the lateral wall of shell body (10), it is micro- Waveguide (21) is connected on wave launcher (20), waveguide (21) connects ball grinder and places cavity (11), and ball grinder (30) is inserted It is enclosed on ball grinder to place in cavity (11), lid (40) is covered at the top of shell body (10), the bottom surface edge tool of lid (40) Having has the jack (12) corresponding with connecting pole (41) on the connecting pole (41) extended downwardly, the top end face of shell body (10), The bottom surface of jack (12) is fixed with magnetic block (13), and connecting pole (41) sleeve is in jack (12) and adsorbs in magnetic block (13) On;
The middle top surface of lid (40) is fixed with motor (42), the output shaft of motor (42) and is fixed with eccentric shaft (421), eccentric shaft (421) is through lid (40) and stretches into ball grinder (30), and the outer wall of the eccentric axial portion of eccentric shaft (421) is consolidated Determine in limited location bar (43), the limited impression (31) that gag lever post (43) sleeve has on the madial wall of ball grinder (30), it is described The top surface of lid (40) is further fixed on vavuum pump (45), and the air inlet pipe of vavuum pump (45) passes through lid (40) and ball grinder (30) phase It is logical, it is additionally provided with lid (40) on through hole (46), through hole (46) and is fixed with plug (47).
2. a kind of lithium battery material microwave radiation technology ball-grinding machine according to claim 1, it is characterised in that:The shell body (10) there is annular stop groove (130), the top of ball grinder (30) is spacing with what is stretched out on the madial wall of top surface Side (32), position-limited edge (32) is corresponding with annular stop groove (130).
3. a kind of lithium battery material microwave radiation technology ball-grinding machine according to claim 2, it is characterised in that:The ball grinder Elastic Block (14) is fixed with the madial wall for placing cavity (11), the outer wall of ball grinder (30) is relative with Elastic Block (14) Should, the bottom surface of annular stop groove (130) and side wall are respectively and fixedly provided with wear-resistant block (15).
4. a kind of lithium battery material microwave radiation technology ball-grinding machine according to claim 3, it is characterised in that:The lid (40) middle part bottom surface is fixed with Elastic Block (48), and upper Elastic Block (48) is pressed against on the top end face of ball grinder (30).
5. a kind of lithium battery material microwave radiation technology ball-grinding machine according to claim 4, it is characterised in that:The ball grinder Placing has brace groove (16) in the middle part of the bottom surface of cavity (11), the middle part of brace groove (16) has the connecting hole extended downwardly (17), adapter sleeve (18) is hinged in connecting hole (17), and the middle part bottom surface of lower Elastic Block (19) has the support extended downwardly Buffer spring (192) is inserted with post (191), support column (191), buffer spring (192) and support column (191) sleeve are in connection Cover in (18), one end of buffer spring (192) puts forth effort on the bottom surface of adapter sleeve (18), the other end and puts forth effort on lower Elastic Block (19) On, lower Elastic Block (19) is pressed against on the bottom surface of ball grinder (30).
6. a kind of lithium battery material microwave radiation technology ball-grinding machine according to claim 1, it is characterised in that:The shell body (10) temperature sensor (50) is additionally provided with.
7. a kind of lithium battery material microwave radiation technology ball-grinding machine according to claim 1, it is characterised in that:The ball grinder (30) outer wall and inwall has heat-insulation layer (1), and ball grinder (30) is made up of zirconium dioxide material.
8. a kind of lithium battery material microwave radiation technology ball-grinding machine according to claim 7, it is characterised in that:The heat-insulation layer (1) outer layer (1a), middle part layer (1b) and internal layer (1c) are included, outer layer (1a) and internal layer (1c) are alumina layer, middle part layer (1b) is silicon carbide layer.
9. a kind of Ginding process of the lithium battery material microwave radiation technology ball-grinding machine any one of use claim 1 to 8, It is characterized in that:Comprise the following steps:
(1), grinding raw material are mixed according to ratio requirement, consumption and the weighing of material requested is calculated, is accurate to 0.0001g;
(2), grinding raw material are added to the ball grinder (30) of the said equipment, alcohol is added, equipment is opened, selection ball milling speed is 100r/min to 200r/min, Ball-milling Time 5 to 6 hours;600 DEG C of design temperature, heat time 20min;
(3), system automatically controls heat time and ball milling speed, after the completion of, 60 DEG C of heating-up temperature is set, time 20min is carried out Dry, after the completion of take out sample, electrode material of lithium battery is made.
CN201510788125.XA 2015-11-17 2015-11-17 A kind of lithium battery material microwave radiation technology ball-grinding machine and Ginding process Expired - Fee Related CN105289806B (en)

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Publication number Priority date Publication date Assignee Title
CN106848203B (en) * 2017-02-27 2019-10-25 朱兰英 A kind of vacuum ball milling formula battery material preparation facilities

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CN1528525A (en) * 2003-10-20 2004-09-15 济南大学 Supersonic disintegrator
CN101890387A (en) * 2009-05-20 2010-11-24 河南理工大学 Roller grinder
CN102173389A (en) * 2011-01-12 2011-09-07 湖南大学 Microwave-assisted solid-liquid reaction ball-milling device and process for preparing nano-oxide powder
CN103785511A (en) * 2014-03-04 2014-05-14 湖南大学 Microwave and ultrasound combined assisted ball-milling device and process for preparing high-performance nanopowder
CN104588177A (en) * 2015-01-23 2015-05-06 福建省新创化建科技有限公司 Hanging double-frequency energy-saving mill
CN205095892U (en) * 2015-11-17 2016-03-23 绍兴文理学院 Lithium battery materials microwave -assisted ball -milling equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0659415B2 (en) * 1987-05-18 1994-08-10 動力炉・核燃料開発事業団 Microwave heating / crushing device
US9061905B2 (en) * 2012-06-08 2015-06-23 Azimuth Corporation Ferroelectric glass nanoparticles, liquid-crystal compositions, and electronic devices containing the nanoparticles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1528525A (en) * 2003-10-20 2004-09-15 济南大学 Supersonic disintegrator
CN101890387A (en) * 2009-05-20 2010-11-24 河南理工大学 Roller grinder
CN102173389A (en) * 2011-01-12 2011-09-07 湖南大学 Microwave-assisted solid-liquid reaction ball-milling device and process for preparing nano-oxide powder
CN103785511A (en) * 2014-03-04 2014-05-14 湖南大学 Microwave and ultrasound combined assisted ball-milling device and process for preparing high-performance nanopowder
CN104588177A (en) * 2015-01-23 2015-05-06 福建省新创化建科技有限公司 Hanging double-frequency energy-saving mill
CN205095892U (en) * 2015-11-17 2016-03-23 绍兴文理学院 Lithium battery materials microwave -assisted ball -milling equipment

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