CN105170293B - Forced dispersing device - Google Patents
Forced dispersing device Download PDFInfo
- Publication number
- CN105170293B CN105170293B CN201510629836.2A CN201510629836A CN105170293B CN 105170293 B CN105170293 B CN 105170293B CN 201510629836 A CN201510629836 A CN 201510629836A CN 105170293 B CN105170293 B CN 105170293B
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- Prior art keywords
- dispersing
- forced
- rotary drum
- impeller
- materials
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- 239000000463 material Substances 0.000 claims abstract description 61
- 239000006185 dispersion Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
The invention discloses a forced dispersing device which comprises a barrel body and a rotary barrel, wherein dispersing gaps for dispersing materials are formed between the outer side of the rotary barrel and the inner wall of the barrel body, a plurality of dispersing through holes are uniformly distributed on the barrel wall of the rotary barrel, and first forced impellers for forcing the materials to move into the rotary barrel are respectively arranged on the upper side and the lower side of the rotary barrel. During dispersion, under the action of the first forced impeller arranged at the lower part of the rotary drum, negative pressure is generated inside the rotary drum, materials are sucked into the rotary drum from the feed inlet, the materials are dispersed to the outer side of the rotary drum under the action of centrifugal force, and enter a dispersion gap through the dispersion through holes, so that an adhesion layer of the materials is formed on the drum body. After the material continuously sucks the rotary drum, the material moves upwards along the dispersing gap to be positioned at the upper part of the rotary drum, is sucked into the upper cavity of the cylinder body under the action of the other second forced impeller, and enters the dispersing gap again through the centrifugal action, and when the material reaches balance, the dispersed material is discharged from the dispersing gap to the discharge port through the discharge channel. The material enters the cylinder body from the feed inlet and then is dispersed for a plurality of times, so that the dispersion is more uniform, and the dispersion efficiency of the material is improved.
Description
Technical Field
The invention relates to the technical field of grinding, in particular to a forced dispersing device.
Background
Because of industrial requirements, some materials are required to be crushed, the crushed particle size is usually small, the materials ground by the grinding device are easy to partially aggregate to form larger powder clusters, and the materials are uneven during subsequent use, so that the materials are required to be subjected to dispersion treatment, and the uneven phenomenon is avoided.
The existing stirring mode is generally adopted for dispersing materials, so that on one hand, the dispersing efficiency is low, and on the other hand, the materials cannot be completely prevented from being gathered again.
Disclosure of Invention
The invention mainly solves the technical problem of providing a forced dispersing device which can avoid aggregation of materials with smaller particle sizes and ensure that the materials are uniform and more uniform.
In order to solve the problems, the invention provides a forced dispersing device, which comprises a barrel and a rotary drum which rotates synchronously with a rotary shaft, wherein a dispersing gap for dispersing materials is arranged between the outer side of the rotary drum and the inner wall of the barrel, a plurality of dispersing through holes are uniformly distributed on the wall of the rotary drum, a second forced impeller and a first forced impeller for forcing the materials to move into the rotary drum are respectively arranged on the upper side and the lower side of the rotary drum, and all the materials entering from a feed inlet at the bottom of the barrel are sucked into a lower dispersing cavity by the first forced impeller and then are dispersed into the dispersing gap through the dispersing through holes; the second forced impeller sucks the materials which enter the dispersing gap from the lower dispersing cavity and move to the upper cylinder cover and the end face of the rotary cylinder into the upper dispersing cavity for dispersion again, and then discharges the materials from a discharge hole at the upper part of the cylinder.
Further, a cavity is arranged in the rotary drum, and an isolation fixing part connected with the rotary shaft is arranged in the cavity and divides the cavity into an upper dispersion cavity and a lower dispersion cavity.
Further, an outer cylinder is arranged on the outer side of the cylinder, a first cooling channel is arranged between the outer cylinder and the cylinder, and an inlet and an outlet of the first cooling channel are arranged on the outer cylinder.
Further, a second cooling channel is arranged at the axle center of the rotating shaft.
Further, the first forced impeller comprises an impeller body and a plurality of impeller blades which are arranged in the middle of the body and distributed in an annular mode, gaps are formed between every two impeller blades, and a fixing hole which is fixed with the rotating shaft is formed in the center of the impeller body.
Further, the impeller blades are inclined planes in the rotation axial section, and the inclined planes incline to the inner side of the rotary drum.
The forced dispersing device comprises a barrel and a rotary barrel which rotates synchronously with a rotary shaft, wherein dispersing gaps for dispersing and moving materials are formed between the outer side of the rotary barrel and the inner wall of the barrel, a plurality of dispersing through holes are uniformly distributed on the barrel wall of the rotary barrel, and a first forced impeller and a second forced impeller for forcing the materials to move into the rotary barrel are respectively arranged on the upper part and the lower part of the rotary barrel. The rotary drum rotates through the pivot that high-speed motor drove when dispersing, under the first forced impeller effect of locating the rotary drum lower part, the rotary drum is inside to produce negative pressure, the material is inhaled in the rotary drum from the feed inlet of barrel lower part, the material that is located the rotary drum simultaneously disperses to the rotary drum outside under the effect of centrifugal force, and get into the clearance that forms between rotary drum and the barrel through dispersion through-hole, and form the adhesion layer of material on the barrel, the adhesion layer that constitutes by the material is in dynamic state, after the material gets into the clearance through dispersion through-hole, because the effect of material shearing force, make the upward movement take place for the material on the adhesion layer. After the material continuously sucks the rotary drum, the material moves upwards to the second forced impeller at the upper part of the rotary drum along the gap, sucks the material into the upper cavity of the cylinder, and enters the gap through the dispersing through holes by centrifugal action, when the material reaches balance, the dispersed part of the material is discharged from the discharge port after passing through the dispersing gap to the discharge channel. The material enters the cylinder body from the feed inlet and then is dispersed for a plurality of times, so that the dispersion is more uniform, and the dispersion efficiency of the material is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and the drawings in the description are some embodiments of the present invention, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort.
Fig. 1 is a schematic sectional view of a forced dispersing apparatus embodiment along the direction of the rotation axis.
Fig. 2 is a schematic view of a drum structure.
Fig. 3 is a schematic view of the structure of the up-pressure impeller.
Fig. 4 is a schematic view of the structure of the up-pressure impeller.
The achievement, functional features and advantages of the object of the present invention will be further described below with reference to the accompanying drawings, in conjunction with the embodiments.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, the present invention provides a forced dispersion apparatus embodiment.
The forced dispersing device comprises: the rotary drum 1 and the rotary drum 3 rotating synchronously with the rotary shaft 2, wherein a dispersing gap 4 for dispersing and moving materials is arranged on the outer side of the rotary drum 3 and the inner wall of the rotary drum 1, a plurality of dispersing through holes 31 are uniformly distributed on the wall of the rotary drum 3, and a first forced impeller 5 and a second forced impeller 7 for forcing the materials to move into the rotary drum are respectively arranged on the upper side and the lower side of the rotary drum 3.
Specifically, the forced dispersing device comprises a cylinder body 1, wherein an upper cylinder cover 10 and a lower cylinder cover 6 are arranged on the cylinder body 1, a feed inlet B is arranged on the lower cylinder cover 6, and a bearing matched with the rotating shaft 2 and a discharge outlet D are arranged on the upper cylinder cover 10. The rotating shaft 2 is in transmission connection with a motor. The inside of the cylinder body 1 is also provided with a rotary cylinder 3 fixed with the rotary shaft 2, the upper end and the lower end of the rotary cylinder 3 are respectively provided with a second forced impeller 7 and a first forced impeller 5, namely, the first forced impeller 5 is arranged at the lower end of the rotary cylinder 2, and the second forced impeller 7 is arranged at the upper end of the rotary cylinder 3. The first forced impeller 5 and the second forced impeller 7 rotate synchronously with the rotating shaft 2 and the rotating drum 3. The inside of the drum 3 is provided with a cavity, in which a separation fixing part 30 connected to the rotation shaft 2 is provided, and the separation fixing part 30 divides the cavity into an upper dispersion chamber 33 and a lower dispersion chamber 32. The rotating shaft 2 and the cylinder body 1 are provided with mechanical sealing parts 9, so that materials are prevented from being discharged through other paths. A discharge gap 8 is arranged between the mechanical sealing part 9 and the upper end surface of the rotary drum 3 and the upper drum cover 10, and the outlet of the discharge gap 8 is communicated with a discharge hole D.
As shown in fig. 3 and fig. 4, the first forced impeller 5 and the second forced impeller 7 have the same structure, that is, the first forced impeller 5 includes a first impeller body 50 and a plurality of first impeller blades 51 disposed in the middle of the first impeller body 50 and distributed annularly, a gap is disposed between each first impeller blade 51, and a fixing hole 52 fixed with the rotating shaft 2 is disposed in the center of the first impeller body 50. The first impeller blade 51 is inclined in the axial section of rotation, and the inclined surface inclines to the inner side of the rotary drum, so that air moves to the inner side of the rotary drum 3 during rotation, the lower dispersing cavity 32 generates negative pressure, and materials are conveniently sucked into the lower dispersing cavity 32.
The second forced impeller 7 comprises a second impeller body 70 and a plurality of second impeller blades 71 which are arranged in the middle of the second impeller body 70 and distributed in a ring shape, gaps are arranged between the second impeller blades 71, and a fixing hole 72 which is fixed with the rotating shaft 2 is arranged in the center of the second impeller body 70. The second impeller blade 71 is inclined in the axial section of rotation, and the inclined surface is inclined to the inner side of the drum, so that air moves to the inner side of the drum 3 during rotation, negative pressure is generated on the upper dispersing cavity 33, and materials positioned on the end surfaces of the upper drum cover 10 and the drum 3 are conveniently sucked into the upper dispersing cavity 33 to be dispersed again.
When dispersing, the rotary drum 3 rotates through the rotary shaft 2 driven by the high-speed motor, under the action of the first forced impeller 5 arranged at the lower part of the rotary drum 3, negative pressure is generated inside the rotary drum 3, the material is sucked into the rotary drum 2 from the feed inlet B at the lower part of the rotary drum 1, when the material is sucked into the lower dispersing cavity 32 of the rotary drum, the material is dispersed to the outer side of the rotary drum 3 under the action of centrifugal force of the rotary drum 2 which rotates at a high degree, and enters the dispersing gap 4 formed between the rotary drum 3 and the rotary drum 1 through the plurality of dispersing through holes 31 uniformly distributed on the wall of the rotary drum 3, a dynamic adhesion layer formed by the material is formed on the inner side surface of the rotary drum 1 under the combined action of the centrifugal force and the shearing force generated by the rotary drum 3, after the material entering from the feed inlet B continuously enters the dispersing gap 4 through the dispersing through holes 31, the material on the adhesion layer moves upwards to the vicinity of the second forced impeller 7 positioned at the upper part of the rotary drum 3, is sucked into the upper dispersing cavity 33 of the rotary drum under the action of the second forced impeller 7, and enters the dispersing gap 4 through the dispersing through holes 31 positioned on the side wall of the dispersing cavity 33 under the centrifugal action. When the materials in the rotary drum 3 reach balance, the dispersed materials are discharged from the discharge port D after passing through a discharge gap 8 discharge channel formed by the end part of the rotary drum 3 and the upper drum cover 10 and a discharge gap 8 between the upper drum cover 10 and the mechanical sealing part 9 through the dispersing gap 4. The material enters the cylinder body from the feed inlet and then is dispersed for a plurality of times, so that the dispersion is more uniform, and the dispersion efficiency of the material is improved.
In this embodiment, an outer cylinder 11 may be further disposed outside the cylinder 1, and a first cooling channel 12 is disposed between the outer cylinder 11 and the cylinder 1, where an inlet E and an outlet F of the first cooling channel 12 are disposed on the outer cylinder 11. The temperature generated by the heat can be reduced through the first cooling channel 12, thereby prolonging the service life and the operation period of the equipment. The second cooling channel 21 is arranged at the axis of the rotating shaft 2, so that the temperature inside the device can be reduced, the service life of the device can be further prolonged, and the operation period of the device can be prolonged.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. Forced dispersing device, including barrel and the rotary drum of rotating with the pivot synchrony, be equipped with the dispersion clearance that makes material dispersion motion between the outside of this rotary drum and the inner wall of barrel, the section of thick bamboo wall evenly distributed of rotary drum has a plurality of dispersion through-holes, its characterized in that:
the upper part and the lower part of the rotary drum are respectively provided with a second forced impeller and a first forced impeller which enable materials to forcedly move into the rotary drum, wherein the first forced impeller sucks all materials entering from a feed inlet at the bottom of the cylinder into a lower dispersing cavity and then disperses the materials into a dispersing gap through a dispersing through hole; the second forced impeller sucks the materials which enter the dispersing gap from the lower dispersing cavity and move to the upper cylinder cover and the end face of the rotary cylinder into the upper dispersing cavity for dispersion again, and then discharges the materials from a discharge hole at the upper part of the cylinder.
2. The forced dispersing apparatus of claim 1, wherein:
the inside of the rotary drum is provided with a cavity, an isolation fixing part connected with the rotary shaft is arranged in the cavity, and the isolation fixing part divides the cavity into an upper dispersion cavity and a lower dispersion cavity.
3. The forced dispersing apparatus according to claim 1 or 2, characterized in that:
an outer cylinder body is further arranged on the outer side of the cylinder body, a first cooling channel is arranged between the outer cylinder body and the cylinder body, and an inlet and an outlet of the first cooling channel are arranged on the outer cylinder body.
4. The forced dispersing apparatus of claim 1, wherein: the axis of the rotating shaft is provided with a second cooling channel.
5. The forced dispersing apparatus of claim 1, wherein:
the first forced impeller comprises an impeller body and a plurality of impeller blades which are arranged in the middle of the body and distributed in an annular mode, gaps are formed between every two impeller blades, and a fixing hole which is fixed with the rotating shaft is formed in the center of the impeller body.
6. The forced dispersing apparatus of claim 5, wherein:
the impeller blades are inclined planes along the rotation axial section, and the inclined planes incline to the inner side of the rotary drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629836.2A CN105170293B (en) | 2015-09-29 | 2015-09-29 | Forced dispersing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629836.2A CN105170293B (en) | 2015-09-29 | 2015-09-29 | Forced dispersing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105170293A CN105170293A (en) | 2015-12-23 |
| CN105170293B true CN105170293B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510629836.2A Active CN105170293B (en) | 2015-09-29 | 2015-09-29 | Forced dispersing device |
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| Country | Link |
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| CN (1) | CN105170293B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106514896A (en) * | 2016-12-08 | 2017-03-22 | 重庆明杰塑胶有限公司 | Cooling device capable of preventing plastic particle bonding |
| CN106514897A (en) * | 2016-12-08 | 2017-03-22 | 重庆明杰塑胶有限公司 | Cooling cylinder for plastic processing |
| CN107159003A (en) * | 2017-07-03 | 2017-09-15 | 深圳市广源智能设备有限公司 | A kind of novel slurry Homogenization Treatments device |
| CN217068455U (en) * | 2022-06-08 | 2022-07-29 | 宁德时代新能源科技股份有限公司 | Mixing and dispersing device |
| EP4309773A1 (en) | 2022-06-08 | 2024-01-24 | Contemporary Amperex Technology Co., Limited | Mixed dispersion device |
| CN116850888B (en) * | 2023-08-22 | 2024-04-09 | 深圳市尚水智能股份有限公司 | Dispersing mechanism and pulping equipment |
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| JPS5131170U (en) * | 1974-08-29 | 1976-03-06 | ||
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| US5407271A (en) * | 1993-10-07 | 1995-04-18 | Jorgen Jorgensen Maskinfabrik A/S | Integrated rotary mixer and disperser head |
| US6062721A (en) * | 1996-12-05 | 2000-05-16 | King; David Marshall | Method of mixing viscous fluids |
| JP2001300281A (en) * | 2000-04-24 | 2001-10-30 | Tokushu Kika Kogyo Kk | Metal pollution preventive high-speed agitating device |
| JP2007125454A (en) * | 2005-11-01 | 2007-05-24 | Primix Copr | High-speed stirring device |
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| CN105170293A (en) | 2015-12-23 |
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