CN103263960A - Sizing agent grinding and dispersing device and method - Google Patents
Sizing agent grinding and dispersing device and method Download PDFInfo
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- CN103263960A CN103263960A CN2013101786498A CN201310178649A CN103263960A CN 103263960 A CN103263960 A CN 103263960A CN 2013101786498 A CN2013101786498 A CN 2013101786498A CN 201310178649 A CN201310178649 A CN 201310178649A CN 103263960 A CN103263960 A CN 103263960A
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- 238000000227 grinding Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004513 sizing Methods 0.000 title abstract 11
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims description 203
- 238000003756 stirring Methods 0.000 claims description 51
- 230000008676 import Effects 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000009183 running Effects 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 17
- 239000000919 ceramic Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000002482 conductive additive Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- -1 uniformity is better Substances 0.000 description 1
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Abstract
The invention discloses a sizing agent grinding and dispersing device. The sizing agent grinding and dispersing device comprises a grinding jar and a grinding basket, wherein the grinding basket comprises a ring-shaped frame which is composed of multiple layers of wearing rings and a convolution knife which is extended in a circumference manner and is arranged at the outer side of the ring-shaped frame; and the convolution knife and a horizontal surface can form a certain included angle, the grinding jar is also internally provided with a filter screen, and the filter screen is arrange above or below the grinding basket. The invention discloses two methods for grinding a sizing agent of the sizing agent grinding dispersion device comprising sizing agent grinding mixing equipment arranged in the sizing agent grinding dispersion device and grinding method thereof. The sizing agent grinding and dispersing device provided by the invention has the advantages that the sizing agent physical property is effectively improved, the density of a sizing agent is improved and is uniform and is smooth and delicate, the production efficiency is effectively improved, and the sizing agent is directly processed, is rough, is poor in mobility and is large in viscosity.
Description
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Technical field
The present invention relates to field of mechanical technique, be specifically related to a kind of apparatus for grinding and dispersing, particularly a kind of slurry apparatus for grinding and dispersing and method thereof.
Background technology
The preparation of slurry is ten minutes important step in the lithium battery production process.The pulp preparation effect will directly influence the coating effect of pole piece, and then influence production technology and the capability and performance of follow-up battery.
The dispersion effect of slurry is determined by many-sided factor, comprising: the character of active material itself, material mixture ratio, equipment and preparation technology etc.The equipment of current preparation slurry and method generally have following several typical way:
1) slurry is just finished preparation in the dispersed with stirring device, stirring-head is housed in the employed dispersed with stirring device and disperses head.But the dispersion efficiency of this device is lower, in order to reach the fineness requirement of slurry, often needs long preparation time; Slurry easy entrained gas in whipping process forms bubble simultaneously, needs to vacuumize pressurize after the stirring and carries out froth breaking; And the slurry uniformity of preparation is not good, changes greatlyyer aspect viscosity, and process control is difficult.
2) slurry is just finished preparation in the dispersed with stirring device, in the employed dispersed with stirring device stirring-head and mill basket is housed.Though the mill basket of this device improves to the dispersion efficiency of slurry, but because size and the running orbit of mill basket are limited, can't guarantee that in the limited time slurry all obtains grinding in the stirred vessel, cause slurry inhomogeneous, process control is difficult.
3) slurry is finished preparation in being similar to above-mentioned mixing decentralized system, system is made of dispersed with stirring device, apparatus for grinding and dispersing and the circulatory system, employed apparatus for grinding and dispersing, as sand mill, colloid mill, nanometer mill etc., the characteristics of these apparatus for grinding and dispersing are that the slurry that enters in the grinding container is all ground, but its fineness to slurry has strict demand, cross obstruction thick, that slurry mobile difference, that viscosity is big all can cause grinding container, influence is produced and is carried out continuously.Therefore, when using this system to carry out pulp preparation, slurry must be through long dispersed with stirring in the dispersed with stirring device, just can enter then and grind dispersion in the apparatus for grinding and dispersing, make the utilization rate of apparatus for grinding and dispersing obviously reduce, the cost of whole system is higher, operating efficiency is very low.In addition, full-bodied slurry also can't use this mixing decentralized system.
In sum, the slurry preparation method of current use have that production efficiency is low, slurry is inhomogeneous, process control is difficult to and equipment to the not strong problem of different slurry adaptability.The present invention comes therefrom.
Summary of the invention
The technical problem of first aspect to be solved by this invention is to overcome the problem that above-mentioned prior art exists, and a kind of slurry apparatus for grinding and dispersing is provided.
The problem of second aspect to be solved by this invention is to provide a kind of grinding dispersed paste method of above-mentioned apparatus for grinding and dispersing.
The problem of the third aspect to be solved by this invention is to provide a kind of slurry ground and mixed equipment that comprises above-mentioned slurry apparatus for grinding and dispersing.
The problem of fourth aspect to be solved by this invention is to provide a kind of method of mixing dispersed paste of above-mentioned slurry ground and mixed equipment.
In order to solve the problems of the technologies described above, a first aspect of the present invention technical scheme is: a kind of slurry apparatus for grinding and dispersing, comprise abrading cylinder and mill basket, and motor drives the mill basket of being located in the abrading cylinder by a main shaft and rotates at a high speed, it is characterized in that:
Described mill basket comprises the annular framework that is made of the multilayer wear ring, the abrasive media in the framework,
Be located at flange last with holes and the following flange with holes of described annular framework upper and lower respectively and be located at the cutter that circles round that the external side of described ring frame is circumferentially extended, the described cutter that circles round is horizontal by certain angle;
Also be provided with a filter screen in the described abrading cylinder, and described filter screen be located at described mill basket above or below.
Mill basket comprises wear ring, pad, last flange with holes, following flange with holes; Pad is clipped in wear ring, and between ceramic ring or antifriction metal (AFM) ring, the multilayer wear ring constitutes an annular framework, and flange with holes and multilayer ring constitute a cavity by bolting up and down, and abrasive media (as ceramic bead) is positioned in the cavity; Gap between the ring is convenient to slurry and is flowed out less than the minimum dimension of abrasive media.And the size of filter screen mesh is decided according to the size of abrasive media, guarantees that filter screen can stop the abrasive media of minimum dimension.
Further, when the cutter running of circling round of default mill basket had downward active force to slurry, filter screen was located on the described mill basket, under the last import and export, is horizontal structure;
When the cutter running of circling round of default mill basket has upwards active force to slurry, filter screen is located under the described mill basket, import and export down on, be horizontal structure.
Further, circle round cutter and the horizontal plane angle of described circumferential extension are 30 °-60 °.Be preferably 45 °, in mill basket when rotation,, it is best that 45 ° of cuttves that circle round order about the effect that slurry moves downward.The purpose of angle is when mill basket is rotated, and the cutter that circles round has downward or upward active force to slurry; The cutter outer of circling round on the mill basket from the distance of casing wall greater than 1mm, less than 100mm.
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The problem of second aspect to be solved by this invention, a kind of grinding dispersed paste method of slurry apparatus for grinding and dispersing is provided, it is characterized in that, circulating pump with slurry from the below or the top pump into the abrading cylinder, when mill basket is rotated, slurry be subjected to circle round on the mill basket circumference effect of cutter, the cutter that circles round produces the active force reverse with feedstock direction to slurry, the stack circulating pump is to the active force of the slurry that enters abrading cylinder, ordering about slurry enters from the flange with holes of the one side of mill basket and carries out fine gtinding the mill basket, slurry is extruded from the flange with holes of the slit between the mill basket wear ring or another side more then, by filter screen, flow back to the dispersed with stirring device from import and export more at last.
Further, circulating pump pumps into slurry the abrading cylinder from the below, when mill basket is rotated, slurry be subjected to circle round on the mill basket circumference effect of cutter, the cutter that circles round produces downward active force to slurry, the active force that the stack circulating pump makes progress to the slurry that enters abrading cylinder, ordering about slurry enters from the flange with holes of mill basket bottom and carries out fine gtinding the mill basket, slurry is extruded from the flange with holes on the slit between the mill basket wear ring or top more then, by filter screen, flow back to the dispersed with stirring device via the slurry efferent duct from last import and export at last.
Further, circulating pump pumps into slurry the abrading cylinder from the top, when mill basket is rotated, slurry be subjected to circle round on the mill basket circumference effect of cutter, the cutter that circles round produces active force upwards to slurry, the stack circulating pump is to the downward active force of the slurry that enters abrading cylinder, ordering about slurry enters from the flange with holes on mill basket top and carries out fine gtinding the mill basket, slurry is extruded from the flange with holes of the slit between the mill basket wear ring or bottom more then, by filter screen, flow back to the dispersed with stirring device via the slurry efferent duct from importing and exporting down at last.
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The problem of the third aspect to be solved by this invention, a kind of slurry ground and mixed equipment is provided, it is characterized in that, comprise the dispersed with stirring device, slurry apparatus for grinding and dispersing and be connected the circulatory system that slurry is moved in circles between described dispersed with stirring device, the slurry apparatus for grinding and dispersing.
Further, the material efferent duct of described dispersed with stirring device is connected to the slurry inflow entrance of slurry apparatus for grinding and dispersing, and the slurry efferent duct of described slurry apparatus for grinding and dispersing is connected to the slurry inflow entrance of dispersed with stirring device.
The dispersed with stirring device comprises all kinds of mixers, as: de-airing mixer, planetary dispersator, scrape wall type mixer etc., its function is powder and dispersant (as liquid such as water, alcohol) are mixed and to disperse, but forms the slurry of continuous-flow.The dispersed with stirring device rotary speed is adjustable, and according to the relation of output power of motor=moment of torsion * angular speed, according to slurry viscosity, the control motor speed guarantees that moment of torsion * angular speed is not more than output power of motor.The circulatory system comprises circulating pump and connecting pipe, and its function is mobile power and the passage of providing for slurry, flow velocity and the flow of control slurry.
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The problem of fourth aspect to be solved by this invention provides a kind of method of mixing dispersed paste of above-mentioned slurry ground and mixed equipment, and it comprises the steps:
1) at first will powder and dispersant add in the dispersed with stirring device and tentatively mix, but form the slurry of continuous-flow;
2) keeping the dispersed with stirring device continuously in the operation, by the circulatory system above-mentioned slurry is being delivered in the apparatus for grinding and dispersing slurry is carried out fine gtinding;
3) slurry flows back in the dispersed with stirring device behind fine gtinding again and continues dispersed with stirring;
4) circulatory system guarantees that slurry circulates between dispersed with stirring device and apparatus for grinding and dispersing with certain flow, and distributing until density, viscosity, the particle diameter of slurry parameter reaches examination criteria.
Further, the mode of the grinding of slurry turnover apparatus for grinding and dispersing has two kinds in the step (2):
Mode A, filter screen is installed on the mill basket, goes up under the import and export, the direction of rotation of mill basket makes the cutter that circles round to slurry downward active force be arranged, slurry enters from below or the bottom of apparatus for grinding and dispersing, slurry through the mill basket grinding, after the screen pack filtration, flow out from importing and exporting of apparatus for grinding and dispersing;
Mode B, filter screen is installed under the mill basket, descends on the import and export, the direction of rotation of mill basket makes the cutter that circles round to slurry active force upwards be arranged, slurry enters from top or the top of apparatus for grinding and dispersing, the slurry of the grinding of process mill basket, behind strainer filtering, flow out from the following import and export of apparatus for grinding and dispersing.
The described circulatory system is provided with circulating pump, drives slurry and circulates between dispersed with stirring device and apparatus for grinding and dispersing, makes slurry constantly circulating middle mixing, grinding, until the dispersion effect that reaches examination criteria.
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In above-mentioned slurry mixing process for dispersing, slurry is finely ground in apparatus for grinding and dispersing, when the pulp particle degree hour, slurry comparatively is easy to enter and grinds dispersion in the mill basket; When the pulp particle degree was big, because the rotation of the high speed of mill basket, centrifugal action got rid of bigger particle to casing wall, and the cutter that circles round on the mill basket circumference cuts dispersion with bulky grain, reduces oarse-grained particle diameter gradually, can enter mill basket until it; Apparatus for grinding and dispersing can both enter with regard to the slurry that can guarantee to enter abrading cylinder and grind dispersion in the mill basket like this.
Slurry infiltrates gas easily in whipping process, form bubble; When slurry entered apparatus for grinding and dispersing, the mill in the mill basket was situated between the bubble in the slurry is broken up.When slurry entered mill basket from the bottom of apparatus for grinding and dispersing, slurry was after grinding, and bubble is broken up, and bubble is along with slurry moves upward, and was melt in the air of slurry top.
Mixing process for dispersing of the present invention can effectively improve the slurry rerum natura, makes slurry density raising, more even, smooth exquisiteness, effectively enhances productivity, and can directly handle thick, slurry mobile difference, that viscosity is big.
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Than solution of the prior art, advantage of the present invention:
1, the present invention adopts the mixing and dispersing device of being made up of dispersed with stirring device, apparatus for grinding and dispersing and the circulatory system to come slurry is handled, and can fast slurry be disperseed, and effectively shortens the pulp preparation time, enhances productivity.
2, the present invention prepares in the process of slurry, and apparatus for grinding and dispersing can be good at the bubble in the slurry is broken up, and bubble is melt into along with slurry moves upward in the air, need not slurry is vacuumized the bubble of cooling down.Compare with conventional method, the slurry density of this method preparation obviously improves, and more even, smooth exquisiteness.
3, the present invention is better to the adaptability of the slurry of variable grain degree; In the described apparatus for grinding and dispersing mill basket is arranged, when the pulp particle degree hour, slurry comparatively is easy to enter grind in the hurdle and grinds dispersion; When the pulp particle degree was big, the cutter that circles round of mill basket was broken up bulky grain, can enter in the mill basket until it, can not cause the obstruction of apparatus for grinding and dispersing.
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Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the system architecture schematic diagram of slurry turnover apparatus for grinding and dispersing A mode of the present invention (going out on advancing down);
Fig. 2 is the system architecture schematic diagram of slurry turnover apparatus for grinding and dispersing B mode of the present invention (going out under enterprising);
Fig. 3 is the internal structure schematic diagram of apparatus for grinding and dispersing of the present invention;
Fig. 4 is the structural representation of mill basket of the present invention.
Wherein: 1 is the dispersed with stirring device; 2 is the slurry apparatus for grinding and dispersing; 3 is the circulatory system; 4 is motor; 5 is filter screen; 6 is abrading cylinder; 7 is mill basket; 8 is main shaft; 9 is last import and export; 10 is last flange with holes; 11 are the cutter that circles round; 12 is abrasive media; 13 is ceramic ring or antifriction metal (AFM) ring; 14 is pad; 15 are following flange with holes, and 16 be annular framework, and 17 are import and export down.
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The specific embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for explanation the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
As Fig. 3-shown in Figure 4, a kind of slurry apparatus for grinding and dispersing, comprise abrading cylinder 6 and mill basket 7, motor 4 drives mill basket 7 rotation of being located in the abrading cylinder 6 at a high speed by a main shaft 8, described mill basket 7 comprises wear ring, pad 14, goes up flange 10 with holes, down flange 15 with holes, cutter 11 circles round; Described multilayer wear ring, can be ceramic ring or antifriction metal (AFM) ring, its looping framework 16, pad is clipped between ceramic ring or the antifriction metal (AFM) ring, and annular framework 16 upper and lowers are provided with flange 10 with holes and following flange 15 with holes, and flange with holes and annular framework 16 constitute a cavity by bolting up and down, abrasive media 12, be positioned in the cavity as ceramic bead, the gap between the ring is convenient to slurry and is flowed out less than the minimum dimension of abrasive media; Be located at the cutter 11 that circles round that annular framework 16 external circumferential are extended, the cutter 11 that circles round is horizontal by certain angle; Also be provided with a filter screen 5 in the abrading cylinder, and this filter screen 5 be located at described mill basket 7 above or below.
In the preferred embodiment of the present invention, the slurry apparatus for grinding and dispersing 2 as shown in Figure 1, and when cutter 11 runnings of circling round of default mill basket had downward active force to slurry, filter screen 5 was located on the described mill basket 7, on import and export under 9, be horizontal structure.
In the another preferred embodiment of the present invention, the slurry apparatus for grinding and dispersing 2 as shown in Figure 2, and when cutter 11 runnings of circling round of default mill basket had the active force of making progress to slurry, filter screen 5 was located under the described mill basket 7, imports and exports on 17 down, is horizontal structure.
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A kind of method one of mixing dispersed paste of slurry ground and mixed equipment, it comprises the steps:
1) at first will powder and dispersant add in the dispersed with stirring device and tentatively mix, but form the slurry of continuous-flow;
2) keeping the dispersed with stirring device continuously in the operation, by the circulatory system above-mentioned slurry be delivered in the apparatus for grinding and dispersing slurry is carried out fine gtinding,
Mode A, filter screen are installed on the mill basket, go up under the import and export, and filter screen is immersed in the slurry, avoid stopping up filter screen behind the slurry drying on the filter screen, influence slurry and flow; The direction of rotation of the mill basket cutter that guarantees to circle round has downward active force to slurry, and the mode that goes out on advancing under the slurry helps the dissipation of bubble in the slurry;
3) slurry flows back in the dispersed with stirring device behind fine gtinding again and continues dispersed with stirring;
4) circulatory system guarantees that slurry circulates between dispersed with stirring device and apparatus for grinding and dispersing with certain flow, and distributing until density, viscosity, the particle diameter of slurry parameter reaches examination criteria.
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A kind of method two of mixing dispersed paste of slurry ground and mixed equipment, it comprises the steps:
1) at first will powder and dispersant add in the dispersed with stirring device and tentatively mix, but form the slurry of continuous-flow;
2) keeping the dispersed with stirring device continuously in the operation, by the circulatory system above-mentioned slurry be delivered in the apparatus for grinding and dispersing slurry is carried out fine gtinding,
Mode B, filter screen are installed under the mill basket, descend on the import and export; The direction of rotation of the mill basket cutter that guarantees to circle round has active force upwards to slurry, and the enterprising mode that goes out down of slurry can guarantee that the slurry that flows out lapping device can both obtain filtering;
3) slurry flows back in the dispersed with stirring device behind fine gtinding again and continues dispersed with stirring;
4) circulatory system guarantees that slurry circulates between dispersed with stirring device and apparatus for grinding and dispersing with certain flow, and distributing until density, viscosity, the particle diameter of slurry parameter reaches examination criteria.
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Concrete embodiment one
The application of a kind of slurry mixing process for dispersing on battery anode slurry is produced.LiFePO 4, pure water, water-base cement, conductive additive Super P are stirred operation 30min totally in the 262.46 Kg adding dispersed with stirring device; The operation that keeps the dispersed with stirring device, the start cycles pump, but the slurry of continuous-flow is pumped in the apparatus for grinding and dispersing; Start apparatus for grinding and dispersing then, guarantee slurry circulating in system, operation 90min detects slurry.
Same raw material proportioning is with legacy equipment and produced in conventional processes slurry: with LiFePO 4, pure water, water-base cement, conductive additive Super P totally 262.46 Kg add in the dispersed with stirring device and carry out dispersed with stirring, operation 300min; Vacuumize froth breaking 30min, then slurry is detected.
Two kinds of methods are carried out data statistics:
This method is compared with conventional method, has obviously shortened the pulp preparation time, can fast slurry be mixed and disperse, and has improved slurry density, and need not to vacuumize except bubble.After conventional method is closed slurry, obviously have bubble in the slurry, must vacuumize except bubble slurry, not only prolonged the pulp preparation time, defoaming effect is not good yet, and the density obviously slurry than this method preparation is low.
Can reach a conclusion from above-mentioned embodiment: utilize the present invention fast slurry to be disperseed, effectively shorten the pulp preparation time, enhance productivity; And the smooth exquisiteness of slurry, uniformity is better, and slurry density also obviously improves; Can directly handle thick, slurry mobile difference, that viscosity is big.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not subjected to the restriction of above-mentioned example; that describes in above-mentioned example and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. a slurry apparatus for grinding and dispersing comprises abrading cylinder and mill basket, and motor drives the mill basket of being located in the abrading cylinder by a main shaft and rotates at a high speed, it is characterized in that,
Described mill basket comprises the annular framework that is made of the multilayer wear ring, the abrasive media in the framework, is located at the flange last with holes of described annular framework upper and lower and flange with holes down respectively, with the cutter that circles round that is located at the circumferential extension of the external side of described ring frame, the described cutter that circles round is horizontal by certain angle;
Also be provided with a filter screen in the described abrading cylinder, and described filter screen be located at described mill basket above or below.
2. slurry apparatus for grinding and dispersing according to claim 1 is characterized in that, when the cutter running of circling round of default mill basket had downward active force to slurry, filter screen was located on the described mill basket, under the last import and export, is horizontal structure;
When the cutter running of circling round of default mill basket had the active force of making progress to slurry, filter screen was located under the described mill basket, on the following import and export, is horizontal structure.
3. slurry apparatus for grinding and dispersing according to claim 1 and 2 is characterized in that, circle round cutter and the horizontal plane angle of described circumferential extension are 30 °-60 °.
4. the grinding dispersed paste method of a slurry apparatus for grinding and dispersing, it is characterized in that, circulating pump with slurry from the below or the top pump into the abrading cylinder, when mill basket is rotated, slurry be subjected to circle round on the mill basket circumference effect of cutter, the cutter that circles round produces the active force reverse with feedstock direction to slurry, the stack circulating pump is to the active force of the slurry that enters abrading cylinder, ordering about slurry enters from the flange with holes of the one side of mill basket and carries out fine gtinding the mill basket, slurry is extruded from the flange with holes of the slit between the mill basket wear ring or another side more then, by filter screen, flow back to the dispersed with stirring device from import and export more at last.
5. method according to claim 4, it is characterized in that, circulating pump pumps into slurry the abrading cylinder from the below, when mill basket is rotated, slurry be subjected to circle round on the mill basket circumference effect of cutter, the cutter that circles round produces downward active force to slurry, the active force that the stack circulating pump makes progress to the slurry that enters abrading cylinder, ordering about slurry enters from the flange with holes of mill basket bottom and carries out fine gtinding the mill basket, slurry is extruded from the flange with holes on the slit between the mill basket wear ring or top more then, by filter screen, flow back to the dispersed with stirring device via the slurry efferent duct from last import and export at last.
6. method according to claim 4, it is characterized in that, circulating pump pumps into slurry the abrading cylinder from the top, when mill basket is rotated, slurry be subjected to circle round on the mill basket circumference effect of cutter, the cutter that circles round produces active force upwards to slurry, the stack circulating pump is to the downward active force of the slurry that enters abrading cylinder, ordering about slurry enters from the flange with holes on mill basket top and carries out fine gtinding the mill basket, slurry is extruded from the flange with holes of the slit between the mill basket wear ring or bottom more then, by filter screen, flow back to the dispersed with stirring device via the slurry efferent duct from importing and exporting down at last.
7. slurry ground and mixed equipment is characterized in that, comprises the dispersed with stirring device, slurry apparatus for grinding and dispersing and be connected the circulatory system that slurry is moved in circles between described dispersed with stirring device, the slurry apparatus for grinding and dispersing.
8. slurry ground and mixed equipment according to claim 7, it is characterized in that, the material efferent duct of described dispersed with stirring device is connected to the slurry inflow entrance of slurry apparatus for grinding and dispersing, and the slurry efferent duct of described slurry apparatus for grinding and dispersing is connected to the slurry inflow entrance of dispersed with stirring device.
9. the method for the mixing dispersed paste of a slurry ground and mixed equipment, it comprises the steps:
1) at first will powder and dispersant add in the dispersed with stirring device and tentatively mix, but form the slurry of continuous-flow;
2) keeping the dispersed with stirring device continuously in the operation, by the circulatory system above-mentioned slurry is being delivered in the apparatus for grinding and dispersing slurry is carried out fine gtinding;
3) slurry flows back in the dispersed with stirring device behind fine gtinding again and continues dispersed with stirring;
4) circulatory system guarantees that slurry circulates between dispersed with stirring device and apparatus for grinding and dispersing with certain flow, and distributing until density, viscosity, the particle diameter of slurry parameter reaches examination criteria.
10. method according to claim 9 is characterized in that, the mode of the grinding of slurry turnover apparatus for grinding and dispersing has two kinds in the step (2):
Mode A, filter screen is installed on the mill basket, goes up under the import and export, the direction of rotation of mill basket makes the cutter that circles round to slurry downward active force be arranged, slurry enters from below or the bottom of apparatus for grinding and dispersing, slurry through the mill basket grinding, after the screen pack filtration, flow out from importing and exporting of apparatus for grinding and dispersing;
Mode B, filter screen is installed under the mill basket, descends on the import and export, the direction of rotation of mill basket makes the cutter that circles round to slurry active force upwards be arranged, slurry enters from top or the top of apparatus for grinding and dispersing, the slurry of the grinding of process mill basket, behind strainer filtering, flow out from the following import and export of apparatus for grinding and dispersing.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103769277A (en) * | 2014-02-14 | 2014-05-07 | 武汉科技大学 | High-efficiency circulating wet grinding device |
| CN104001590A (en) * | 2014-05-01 | 2014-08-27 | 铜陵钱谊化工设备有限责任公司 | Grinding chamber for basket-type grinder |
| CN104001591A (en) * | 2014-05-01 | 2014-08-27 | 铜陵钱谊化工设备有限责任公司 | Portable grinder |
| CN104493887A (en) * | 2014-11-28 | 2015-04-08 | 苏州新区佳合塑胶有限公司 | Special granulator for multi-channel granulating mechanism |
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| CN109499698A (en) * | 2017-09-15 | 2019-03-22 | 南京麒麟科学仪器集团有限公司 | Ball-stirring mill fast grinding method |
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| CN110394105A (en) * | 2019-07-09 | 2019-11-01 | 上海伍丰科学仪器有限公司 | Micro-volume dynamic mixing device for liquid chromatograph mobile phase on-line mixing |
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| CN114682349A (en) * | 2022-03-14 | 2022-07-01 | 广西燚能新能源有限公司 | Manufacturing method for improving water system lithium iron phosphate battery positive plate |
| US11612118B2 (en) | 2010-05-20 | 2023-03-28 | Pond Technologies Inc. | Biomass production |
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| US11612118B2 (en) | 2010-05-20 | 2023-03-28 | Pond Technologies Inc. | Biomass production |
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| CN104001591A (en) * | 2014-05-01 | 2014-08-27 | 铜陵钱谊化工设备有限责任公司 | Portable grinder |
| CN104493887A (en) * | 2014-11-28 | 2015-04-08 | 苏州新区佳合塑胶有限公司 | Special granulator for multi-channel granulating mechanism |
| CN106352923A (en) * | 2016-08-30 | 2017-01-25 | 无锡东恒新能源科技有限公司 | Sand mill capable of automatically adding antifoaming agent and automatically testing dispersion effect |
| CN106352923B (en) * | 2016-08-30 | 2019-02-12 | 无锡东恒新能源科技有限公司 | The sand mill of defoaming agent and automatic test dispersion effect can be added automatically |
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| CN109499698A (en) * | 2017-09-15 | 2019-03-22 | 南京麒麟科学仪器集团有限公司 | Ball-stirring mill fast grinding method |
| CN109590078A (en) * | 2018-12-05 | 2019-04-09 | 费曹民 | A kind of concentric double-shaft vacuum hydraulic basket-type grinder |
| CN110394105A (en) * | 2019-07-09 | 2019-11-01 | 上海伍丰科学仪器有限公司 | Micro-volume dynamic mixing device for liquid chromatograph mobile phase on-line mixing |
| US20210339210A1 (en) * | 2020-04-29 | 2021-11-04 | Sk Innovation Co., Ltd. | Ultra-dispersion mixer |
| US12064734B2 (en) * | 2020-04-29 | 2024-08-20 | Sk On Co., Ltd. | Ultra-dispersion mixer |
| CN112495521A (en) * | 2020-11-09 | 2021-03-16 | 陈金梦 | Intelligent sand mill is used in coating production |
| CN112495521B (en) * | 2020-11-09 | 2022-02-08 | 东莞市康博机械有限公司 | Sand mill is used in coating production |
| CN114602372A (en) * | 2021-02-09 | 2022-06-10 | 欣旺达电动汽车电池有限公司 | Equipment for preparing battery slurry and preparation method of battery slurry |
| CN114682349A (en) * | 2022-03-14 | 2022-07-01 | 广西燚能新能源有限公司 | Manufacturing method for improving water system lithium iron phosphate battery positive plate |
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