CN106422914B - Centrifugal powder particle mixing device - Google Patents
Centrifugal powder particle mixing device Download PDFInfo
- Publication number
- CN106422914B CN106422914B CN201611119416.0A CN201611119416A CN106422914B CN 106422914 B CN106422914 B CN 106422914B CN 201611119416 A CN201611119416 A CN 201611119416A CN 106422914 B CN106422914 B CN 106422914B
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- powder
- groove
- mixing
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- screen cloth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
- B01F29/81—Mixers with rotating receptacles rotating about a substantially vertical axis with stationary mixing elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/60—Mixing solids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/15—Use of centrifuges for mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/40—Parts or components, e.g. receptacles, feeding or discharging means
- B01F29/403—Disposition of the rotor axis
- B01F29/4032—Disposition of the rotor axis vertical
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Crushing And Grinding (AREA)
Abstract
The utility model provides a centrifugal powder mixing arrangement, be provided with the motor at the base middle part, be provided with on the power output shaft of motor and mix the powder groove, mix the powder inslot from bottom to top and set gradually down the screen cloth, go up the screen cloth, keep off a section of thick bamboo, the center processing of lower screen cloth and last screen cloth and fender section of thick bamboo has the hole that the aperture is the same, it has the slit to keep off a section of thick bamboo and mix between 4 walls in powder groove, mix and be provided with mixed powder capping on the powder groove, mix powder capping surface center and be provided with and mix powder capping minor axis as an organic whole even, be provided with the bracing piece on the base, be provided with the location disc on the bracing piece, the middle part of location disc is provided with minor axis assorted recess. The invention has the advantages of simple operation, low cost, small damage to powder crystals, high mixing efficiency and wide popularization and application in the field of chemical production.
Description
Technical Field
The invention relates to a separation and mixing device, in particular to a powder particle mixing device with a rotating device in a fixed container.
Background
The mixing of the powder particles is frequently encountered in the chemical experiment and chemical production processes, and the final purpose of the mixing is to ensure that the properties of the mixture are not changed and the substances cannot react on the basis of uniform mixing, so that the high-strength rolling of the powder particles is avoided as much as possible in the mixing process. For example, when mixing organic crystals in a laboratory, if rolling compaction occurs during mixing, the structure of the crystals is likely to change. In addition, substances with large density difference are difficult to be uniformly mixed at one time, and the existing device needs to be disassembled and reloaded for multiple times of mixing, so that the steps are complicated.
Disclosure of Invention
The invention aims to overcome the defects of the existing powder particle mixing device and provide a centrifugal powder particle mixing device which has the advantages of reasonable design, uniform mixing, simple operation and small powder particle abrasion.
The technical scheme for solving the technical problems is as follows: be provided with the motor at the base middle part, be provided with on the power output shaft of motor and mix the powder groove, mix the powder inslot from bottom to top and set gradually down the screen cloth, go up the screen cloth, keep off a section of thick bamboo, the center processing of screen cloth and last screen cloth and fender section of thick bamboo has the hole that the aperture is the same down, keep off a section of thick bamboo and mix and have the slit between the powder cell wall, mix and be provided with on the powder groove and mix the powder capping, mix powder capping surface center and be provided with and mix powder capping even minor axis as an organic whole, be provided with the bracing piece on the base, be provided with the location disc on the bracing piece, the middle part of location disc be provided with minor axis assorted recess.
The powder mixing tank is structurally characterized in that an inverted cone is connected with an outward convex spherical bottom into a whole, the included angle between the generatrix of the inverted cone of the powder mixing tank and the axis is 25-45 degrees, and the ratio of the large caliber to the small caliber of the inverted cone of the powder mixing tank is 1.5-3.
The blocking cylinder is in a conical cylinder shape, a small blocking ring is arranged on the outer side of a small port of the blocking cylinder, the central line of the small blocking ring is superposed with the central line of the blocking cylinder, the blocking cylinder is inverted in the powder mixing groove, the small blocking ring is abutted on the upper screen, fixing laths which are uniformly distributed along the circumferential direction are arranged on the outer side of a large port of the blocking cylinder, and the blocking cylinder is fixed on the inner wall of the powder mixing groove through the fixing laths.
The upper screen mesh of the invention is an annular plane mesh.
The lower screen mesh is a conical cylindrical mesh, a large port of the lower screen mesh is arranged at the bottom in the powder mixing tank above a small port of the lower screen mesh, the diameter of the large port of the lower screen mesh is the same as that of the small port of the inverted conical cylinder of the powder mixing tank, the height of the lower screen mesh is equal to the height of the upper screen mesh from the bottom surface of the powder mixing tank, and the diameter of the small port of the lower screen mesh is the same as that of the small end of the retaining cylinder and the aperture of the central hole of the upper screen mesh.
The included angle between the generatrix of the blocking cylinder and the axis is 35-55 degrees, and the diameter ratio of the large end surface to the small end surface of the blocking cylinder is 1.5-3.
The included angle between the generatrix of the lower screen mesh and the axis is 45-65 degrees.
The mesh diameters of the lower screen and the upper screen are 2-5 mm.
The invention has the following beneficial effects:
a power output shaft of a motor is connected with a powder mixing groove through a coupler, a lower screen and an upper screen are arranged in the powder mixing groove from bottom to top, the motor drives the powder mixing groove to rotate, different powder in the powder mixing groove sequentially passes through the lower screen and the upper screen under the action of centrifugal force, the lower screen is used for crushing powder agglomerates, the upper screen is used for secondarily crushing the powder agglomerates, the centrifugal force on the powder with higher density in the rising process is larger, the gravity resistance on the powder with higher density is also large, the centrifugal force and the gravity resistance are mutually offset, and the powder with different densities can move at the same speed; after the powder is transferred to the top end of the powder mixing groove, the motor stops rotating, the powder particles can return to the bottom of the powder mixing groove under the action of gravity, and the powder can be conveniently mixed for multiple times through repeated operation of starting and stopping the motor; the powder migration is driven by centrifugal force, high-strength impact and rolling are avoided, the method is simple to operate, low in cost, small in damage to powder crystals, high in mixing efficiency and capable of being widely popularized and used in the field of chemical production.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the shift cylinder 5 in fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and examples, but the present invention is not limited to the embodiments described below.
In fig. 1, 2 and 3, the centrifugal powder particle mixing device of the present embodiment is formed by connecting a base 10, a motor 9, a powder mixing tank 4, a lower sieve 7, an upper sieve 6, a baffle cylinder 5, a powder mixing tank cover 3, a short shaft 2, a support rod 8 and a positioning disc 1.
A motor 9 is arranged in the middle of a base 10, the motor 9 is a speed regulating motor 9, a power output shaft of the motor 9 is connected with a powder mixing groove 4 through a coupler, the powder mixing groove 4 is an inverted cone-shaped cylinder and is connected with the bottom of an outer convex spherical surface into a whole, the included angle between the generatrix of the powder mixing groove and the axis is 35 degrees, the ratio of the large caliber to the small caliber of the inverted cone-shaped cylinder of the powder mixing groove 4 is 2, a lower screen 7, an upper screen 6 and a baffle cylinder 5 are sequentially arranged in the powder mixing groove 4 from bottom to top, the central lines of the lower screen 7, the upper screen 6 and the baffle cylinder 5 are superposed with the central line of the powder mixing groove 4, the lower screen 7 is a cone-shaped cylinder, the included angle between the generatrix of the lower screen 7 and the axis is 55 degrees, the large port of the lower screen 7 is arranged at the bottom of the powder mixing groove 4 at the upper small port, the diameter of the large port of the lower screen 7 is the same as the diameter of the small port of the inverted cone-shaped cylinder of the powder mixing groove, the height of the lower screen 7 is equal to the bottom surface of the powder mixing groove 4, the lower screen 7 is used for crushing powder agglomerates, the upper screen 6 is an annular plane screen, the upper screen is used for secondarily crushing the powder agglomerates to fully mix different powders, the aperture of a central hole of the upper screen 6 is equal to the diameter of a small port of the lower screen 7, the diameters of meshes of the lower screen 7 and the upper screen 6 are 3mm, the baffle cylinder 5 is in a conical cylinder shape, an included angle between a generatrix of the baffle cylinder 5 and an axis is 45 degrees, the diameter of a large end face of the baffle cylinder 5 and the diameter of a small end face of the baffle cylinder are 2, the diameter of a small port of the baffle cylinder 5 is equal to the diameter of a small port of the lower screen 7, the small baffle ring 5-3 is arranged outside the small port of the baffle cylinder 5, the central line of the small baffle ring 5-3 is superposed with the central line of the baffle cylinder 5, the small port of the baffle cylinder 5 is upwards placed in the powder mixing groove 4 at the lower large port, the small baffle ring 5-3 is abutted against the upper screen 6, the outside the large port of the baffle cylinder 5 is provided with fixing strips 5-2 evenly distributed along the circumferential direction, the powder mixing tank is characterized in that the retaining cylinder 5 is fixed on the inner wall of the powder mixing tank through the fixing plate strips 5-2, a slit is reserved on the edge of a large port of the retaining cylinder 5 and the inner wall of the powder mixing tank, the powder mixing tank 4 is connected with the powder mixing tank cover 3 through threads, the center of the outer surface of the powder mixing tank cover 3 is provided with the short shaft 2 which is connected with the powder mixing tank cover 3 into a whole, the end part of the short shaft 2 extends into a groove of the positioning disc 1, and the positioning disc 1 is fixed on the base 10 through the supporting rod 8.
During the use, open and mix powder capping 3, pour into the powder that needs mix, will mix powder capping 3 and revolve soon to twist on mixing the powder notch, seal and mix the powder groove, starter motor 9, motor 9 rotates and drives and mix the powder groove and rotate, the powder will pass down screen cloth and last screen cloth and keep off a section of thick bamboo slit transfer to the top of mixing the powder groove under the effect of centrifugal force in proper order, it is rotatory to stop motor 9, the powder then can get back to again through the guide cylinder port and mix powder tank bottom portion under the action of gravity, so the repeated operation can realize that the powder mixes the homogeneity many times.
Example 2
In this embodiment, mix powder groove 4's structure and be that an inverted cone is even as an organic whole at the bottom of inverted cone and the evagination sphere, mix powder groove 4 inverted cone's generating line and the contained angle of axis to be 25, mix powder groove 4 inverted cone heavy-calibre and minor caliber ratio to be 1.5, mix powder groove 4 interior from bottom to top and set gradually down screen cloth 7, go up screen cloth 6, keep off a section of thick bamboo 5, the contained angle of 7 generating lines of lower screen cloth and axis is 45, the contained angle between 5 generating lines of fender section of thick bamboo and the axis is 35, the diameter of 5 big terminal surfaces of fender section of thick bamboo and the diameter ratio of little terminal surface are 1.5, the mesh diameter of lower screen cloth 7 and last screen cloth 6 be 2 mm.
The other components and the connection relationship of the components are the same as those in embodiment 1.
Example 3
In this embodiment, mix powder groove 4's structure and be that the back taper section of thick bamboo is even as an organic whole at the bottom of with the evagination sphere, mix the generating line of 4 back taper section of thick bamboos in powder groove and the contained angle of axis be 45, mix powder groove 4 back taper section of thick bamboos heavy-calibre and minor-calibre ratio and be 3, mix and have set gradually down screen cloth 7 in powder groove 4 from bottom to top, go up screen cloth 6, keep off a section of thick bamboo 5, the generating line of lower screen cloth 7 is 65 with the contained angle of axis, keep off the contained angle between 5 generating lines of a section of thick bamboo and the axis and be 55, the diameter that keeps off 5 big terminal surface of a section of thick bamboo and the diameter ratio of little terminal surface be 3, the mesh diameter of lower screen cloth 7 and last screen cloth 6 be 5 mm. The other components and the connection relationship of the components are the same as those in embodiment 1.
Claims (8)
1. A centrifugal powder particle mixing apparatus, characterized by: a motor (9) is arranged in the middle of a base (10), a powder mixing groove (4) is arranged on a power output shaft of the motor (9), a lower screen (7), an upper screen (6) and a retaining cylinder (5) are sequentially arranged in the powder mixing groove (4) from bottom to top, holes with the same aperture are machined in the centers of the lower screen (7), the upper screen (6) and the retaining cylinder (5), a slit is formed between the retaining cylinder (5) and the wall of the powder mixing groove (4), a powder mixing groove cover (3) is arranged on the powder mixing groove (4), a short shaft (2) connected with the powder mixing groove cover (3) into a whole is arranged in the center of the outer surface of the powder mixing groove cover (3), a support rod (8) is arranged on the base (10), a positioning disc (1) is arranged on the support rod (8), and a groove matched with the short shaft (2) is arranged in the middle of the positioning disc (1); the device is used for mixing crystal powder.
2. A centrifugal powder particle mixing apparatus as claimed in claim 1, wherein: the powder mixing groove (4) is structurally characterized in that the inverted cone-shaped cylinder and the bottom of the convex spherical surface are connected into a whole, the included angle between the generatrix of the inverted cone-shaped cylinder of the powder mixing groove (4) and the axis is 25-45 degrees, and the ratio of the large caliber to the small caliber of the inverted cone-shaped cylinder of the powder mixing groove (4) is 1.5-3.
3. A centrifugal powder particle mixing apparatus as claimed in claim 1, wherein: the powder mixing device is characterized in that the blocking cylinder (5) is in a conical cylinder shape, a small blocking ring (5-3) is arranged on the outer side of a small port of the blocking cylinder (5), the central line of the small blocking ring (5-3) is coincident with the central line of the blocking cylinder (5), the blocking cylinder (5) is inverted in the powder mixing groove (4), the small blocking ring (5-3) abuts against the upper screen (6), fixing battens (5-2) which are uniformly distributed along the circumferential direction are arranged on the outer side of a large port of the blocking cylinder (5), and the blocking cylinder (5) is fixed on the inner wall of the powder mixing groove (4) through the fixing battens (5-2).
4. A centrifugal powder particle mixing apparatus as claimed in claim 1, wherein: the upper screen mesh (6) is an annular plane mesh.
5. A centrifugal powder particle mixing apparatus as claimed in claim 2 or 3, wherein: lower screen cloth (7) be toper tube-shape net, lower screen cloth (7) large port is at last setting up in mixing powder groove (4) bottom down the port, the large port diameter of lower screen cloth (7) is the same with mixing powder groove (4) back taper section of thick bamboo port diameter, the height of lower screen cloth (7) equals last screen cloth (6) apart from the height of mixing the powder tank bottom surface, the port diameter of lower screen cloth (7) is the same with the centre bore aperture that keeps off a section of thick bamboo (5) small end bore and last screen cloth (6).
6. A centrifugal powder particle mixing apparatus as claimed in claim 3, wherein: the included angle between the generatrix of the blocking cylinder (5) and the axis is 35-55 degrees, and the diameter ratio of the large end face to the small end face of the blocking cylinder (5) is 1.5-3.
7. A centrifugal powder particle mixing apparatus as claimed in claim 4, wherein: the included angle between the generatrix of the lower screen (7) and the axis is 45-65 degrees.
8. A centrifugal powder particle mixing apparatus as defined in claim 1, wherein: the mesh diameters of the lower screen (7) and the upper screen (6) are 2-5 mm.
Priority Applications (1)
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CN201611119416.0A CN106422914B (en) | 2016-12-08 | 2016-12-08 | Centrifugal powder particle mixing device |
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CN201611119416.0A CN106422914B (en) | 2016-12-08 | 2016-12-08 | Centrifugal powder particle mixing device |
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CN106422914A CN106422914A (en) | 2017-02-22 |
CN106422914B true CN106422914B (en) | 2022-09-30 |
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CN108176332B (en) * | 2018-01-27 | 2019-01-25 | 江山华隆能源开发有限公司 | A kind of important catalyst preparation catalyst equipment |
CN110057899B (en) * | 2019-04-14 | 2022-01-28 | 北京工业大学 | System and method for characterizing molecular structure of extracellular polymer of anaerobic ammonia oxidation sludge |
Citations (1)
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GB1482006A (en) * | 1973-11-19 | 1977-08-03 | Acme Cleveland Corp | Foundry mixing machine |
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IT1024318B (en) * | 1973-11-14 | 1978-06-20 | Dillumelt Srl | PROCESS FOR MESOOLAR IN A TINUOUS WAY A POWDER IN A LIQUID AND DEVICE FOR STARTING THE PROCESS |
CN2472624Y (en) * | 2001-04-12 | 2002-01-23 | 广东天际电器有限公司 | Household food stirrer |
CN2614786Y (en) * | 2003-02-28 | 2004-05-12 | 王化栋 | Axle top fluted disc type disintegrating automatic separator |
CN202700427U (en) * | 2012-07-04 | 2013-01-30 | 深圳市尚水智能设备有限公司 | Scattering device |
CN103657491B (en) * | 2013-12-04 | 2015-08-26 | 上海森松混合技术工程装备有限公司 | A kind of Squirrel-cage type supergravity mixer |
CN104647589B (en) * | 2015-01-26 | 2016-08-24 | 中国矿业大学 | A kind of vertical pulper of mining fire extinguishing |
CN204518450U (en) * | 2015-03-10 | 2015-08-05 | 邯郸市成通灌溉节能设备有限公司 | Injection moulding pressure differential tank |
CN204735166U (en) * | 2015-06-30 | 2015-11-04 | 何淑琼 | Centrifugal blender |
CN206295886U (en) * | 2016-12-08 | 2017-07-04 | 西北大学 | Centrifugal powder mixing arrangement |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1482006A (en) * | 1973-11-19 | 1977-08-03 | Acme Cleveland Corp | Foundry mixing machine |
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