CN206474234U - A kind of dry-type ball mill classification device - Google Patents
A kind of dry-type ball mill classification device Download PDFInfo
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- CN206474234U CN206474234U CN201621067892.8U CN201621067892U CN206474234U CN 206474234 U CN206474234 U CN 206474234U CN 201621067892 U CN201621067892 U CN 201621067892U CN 206474234 U CN206474234 U CN 206474234U
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Abstract
The utility model is related to dry type milling system, specifically a kind of dry-type ball mill classification device, including hollow cylinder, material into the cylinder lumen is in the presence of gas, the material of heavier mass flow to cylinder bottom discharging opening, the material of lighter weight flow to cylinder top discharging opening, the bottom discharging opening is connected with discharging mechanism, the material for flowing to the bottom discharging opening flows out after the discharging mechanism, the top discharging opening is connected with classification mechanism, flow to after the material of the top discharging opening is classified through classification mechanism and exports quality relatively light material.The utility model is sucked ambient atmos in assorting cylinder using negative pressure device, the gas can carry out preliminary classification processing to the material of lighter weight in assorting cylinder and the material of heavier mass, and the material of lighter weight handled again through classification mechanism secondary grading after output quality relatively light material, reach the purpose for the quality uniformity for improving finished product.
Description
Technical field
The utility model is related to the grinding thinning apparatus technical field of advanced material and the classifying equipoment industry of superfine powder
Design field, more particularly to a kind of multiple series classification device of dry type ball milling High Efficiency Superfine.
Background technology
With expanding economy and the continuous improvement of people's living standard, powder fine demand is growing, advanced material
Material occupies increasingly heavier ratio in whole nano material.Micro mist is wide in fields such as military project, space flight, chemical industry, metallurgy, building materials
General application, market demand is very big, and market prospects are also very wide, therefore increasing engineers and technicians' concern ultra micro
The production of powder, the flouring technology for the super fine developed is also more and more, and powder manufacturing apparatus is varied, and milling efficiency is also more next
It is higher.And the since the advent of the world such as ball mill, ball mill, pulverizer is due to excellent performance, in material fine and classification field
The good reputation of scientific research person, corporate boss are won.As new energy, new material industry are a dark horse, demand of the market to above-mentioned machine
The rapidly increasing of amount, and the requirement of its performance and quality is also increasingly strict, particularly the developed country such as America and Europe has tightened up
It is required that.Existing ball-grinding machine is generally ball mill by wet process, and it can pass through the direct feeding of product pump；And for existing dry ball milling
Machine, or its feeding manner is fed naturally using gravity, or being fed using negative pressure, is carried out several times after charging using ball mill
After ball milling, finished product is obtained.This mode causes the particle diameter of product inadequate due to not being classified processing to the material after ball milling
Uniformly；And existing dry method ball mill is directly that air-tightness when this feeds for negative pressure has an impact from discharge hole for discharge.
Utility model content
For above-mentioned technical problem, the purpose of this utility model, which is that offer is a kind of, to be classified to the material after ball milling
And the dry-type ball mill classification device discharged using discharging mechanism.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of dry-type ball mill classification device, bag
Hollow cylinder is included, the material into the cylinder lumen is in the presence of gas, and the material of heavier mass flow to the discharging of cylinder bottom
Mouthful, the material of lighter weight flow to cylinder top discharging opening, and the bottom discharging opening is connected with discharging mechanism, flow to the bottom
The material of discharging opening flows out after the discharging mechanism, and the top discharging opening is connected with classification mechanism, flow to the top discharging
Mouthful material be classified through classification mechanism after output quality relatively light material, effectiveness of classification can be improved, ore grinding internal circulating load is reduced,
Improve grading effect and efficiency.
Preferably, the discharging mechanism includes the pedestal being tightly connected with the bottom discharging opening and is arranged on the pedestal
Interior rotatable material discharging wheel, the material flowed into from the bottom discharging opening in pedestal is driven by material discharging wheel rotation to flow out.
Preferably, being offered on the pedestal and the bottom discharging opening is connected goes out material through hole, opened on the pedestal
Provided with from it is described go out the axial mounting hole that passes through of middle part of material through hole, the material discharging wheel, which coordinates, to be arranged in the mounting hole；It is described go out
Several grooves are arranged at intervals with along its perisporium in material wheel, each groove can carry the material in half of discharging through hole, each
Individual groove makes the material carried in it be flowed out from lower half discharging through hole by the rotation of material discharging wheel.
Preferably, the classification mechanism includes the cavity that is connected with the top discharging opening and be arranged on can in the cavity
The grading wheel of rotation, quality phase is exported after flowing into the grading wheel classification that the material in cavity passes through rotation from the top discharging opening
To lighter material.
Preferably, the grading wheel includes the hollow wheel body that one end seals another end opening, the wheel body perisporium is vertically
Several bar shaped material paths connected with wheel intracoelomic cavity are offered, one end described in grading wheel is driven by drive shaft to rotate, described
Another end opening is connected with charge tube, charge tube and is provided with negative pressure device, and the negative pressure device makes quality in cavity relatively light
The material path of the material wheel body that passes through rotation enter wheel intracoelomic cavity, then from wheel intracoelomic cavity by expects pipe output.
Preferably, the cylinder top is provided with the feed pipe for entering the cylinder lumen for material, cylinder bottom is provided with confession
Gas enters the air inlet pipe of the cylinder lumen, and the negative pressure device makes ambient atmos enter cylinder lumen from the air inlet pipe, entered
The gas for entering cylinder lumen blows the material of the inner chamber lighter weight to described in cylinder top discharging opening inflow from bottom to top
Cavity, the material of heavier mass is flowed into after the discharging mechanism from the bottom discharging opening from top to bottom to flow out.
Preferably, the cylinder includes two conical shells setting up and down, up and down conical shell be upper end diameter it is big,
Lower end diameter is small, and upper conical cylinder lower end inner chamber forms stepped hole with inferior pyramidal cylinder upper end inner chamber.
Preferably, the upper conical cylinder is flexibly connected with inferior pyramidal cylinder.
Preferably, conical shell top and the bottom up and down are extended with a truncated cylinder body；The air inlet pipe is along lower cone
The tangential direction of shape cylinder top cylinder is arranged on the cylinder, tangent line side of the feed pipe along upper conical cylinder top cylinder
To being arranged on the cylinder.
Preferably, the discharging mechanism uses electric and pneumatic valve.
As can be known from the above technical solutions, the utility model is sucked ambient atmos in assorting cylinder using negative pressure device, the gas
Body can carry out preliminary classification processing to the material of the material of lighter weight in assorting cylinder and heavier mass, and the material of lighter weight
Output quality relatively light material, reaches the mesh for the quality uniformity for improving finished product after being handled again through classification mechanism secondary grading
's；Discharging mechanism is set in bottom discharging opening simultaneously, continuous discharge can be not only realized, and when using negative pressure charging, can be right
Bottom discharging opening is sealed, it is ensured that the air-tightness of negative pressure state.
Brief description of the drawings
Fig. 1 is a kind of structural representation of preferred embodiment of the utility model.
Fig. 2 is Fig. 1 schematic cross-sectional view.
Fig. 3 is the dimensional structure diagram of material discharging wheel in discharging mechanism.
Fig. 4 is the dimensional structure diagram of grading wheel in classification mechanism.
Embodiment
The utility model is discussed in detail with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4：
In grinding classification cycle system, the energy consumption of classification part increases with the raising of product fineness.Therefore for
D50<For 1um product, the market demand of low energy consumption grader will increasingly increase.Turbine airflow grader of new generation according to
Brand-new classification principle is operated.The principle is flowed based on Solid Bed（Fluid bed）Concept, instead of traditional flowing concept.This
New ideas are planted to significantly reduce pressure drop and hierarchical energy power.In addition, existing grader can easily upgrade
To grader system of new generation.Comparison with standard grading wheel, grading wheel of new generation can reduce pressure drop about 60%.
Dry-type ball mill classification device of the present utility model, including hollow cylinder 3, the material into the cylinder lumen is in gas
In the presence of, the material of heavier mass flow to cylinder bottom discharging opening 34, and the material of lighter weight flow to cylinder top discharging opening
33, so as to be tentatively classified to material；The bottom discharging opening is connected with discharging mechanism 4, flow to the bottom discharging opening
Material flows out after the discharging mechanism, and the top discharging opening is connected with classification mechanism 5, flow to the material of the top discharging opening
Quality relatively light material is exported after being classified through classification mechanism, and the relatively heavy material of quality then overcomes gas impulsive force stream
To bottom discharging opening, so as to realize secondary grading.Particle in the material of the lighter weight described in the utility model is still deposited
In point of weight, the quality relatively light material refers to that lighter part of granular mass in the material of lighter weight,
And the heavier another part of granular mass is then referred to as the relatively heavy material of the quality in the material of lighter weight.This practicality
New discharging mechanism can use compartment discharging mechanism, and such as pneumatic operated valve or motor-driven valve are specific as setting 1 or 2 is pneumatic
Butterfly valve control discharging, realizes that compartment discharges, not only good seal performance, discharging are fast by being spaced opening and closing butterfly valve, and
It is easily controllable.
Discharging mechanism 4 of the present utility model includes the pedestal 41 being tightly connected with the bottom discharging opening 34 and is arranged on this
Rotatable material discharging wheel 42 in pedestal, the material flowed into from the bottom discharging opening in pedestal is rotated by the material discharging wheel to be driven
Outflow；Specifically, offer and the bottom discharging opening 34 is connected goes out material through hole 43, opened on the pedestal on the pedestal 41
Provided with from it is described go out the axial mounting hole 44 that passes through of middle part of material through hole, the material discharging wheel, which coordinates, to be arranged in the mounting hole, and this goes out
Material wheel will go out material through hole be separated into above and below two halves, and material through hole closing will be gone out, and prevent gas under negative pressure device effect from discharging
Through hole enters bottom discharging opening；Several grooves 45 are arranged at intervals with along its perisporium on the material discharging wheel 42, each groove passes through
Rotation can be located in material through hole, and each groove can carry the material in half of discharging through hole, and each groove is by going out
The rotation of material wheel makes the material carried in it be flowed out from lower half discharging through hole；In implementation process, bottom discharging opening is flow to
Material through upper half discharging through hole enter the groove of position in the inner in, then as material discharging wheel drive groove rotation, the groove by
It is progressive enter lower half of discharging through hole in, into after lower half discharging through hole, slot opening gradually down so that the thing in it
Material enters lower half discharging through hole, is then out.Due to the setting using several grooves, as the rotation of material discharging wheel can be achieved to connect
Continuous discharging.
Classification mechanism 5 of the present utility model includes the cavity 51 connected with the top discharging opening 33 and is arranged on the cavity
Interior rotatable grading wheel 52, is exported after flowing into the grading wheel classification that the material in cavity passes through rotation from the top discharging opening
Quality relatively light material；In the utility model, it is the lighter weight after preliminary classification to flow into the material in cavity
Material.Specifically, the grading wheel 52 includes the hollow wheel body 53 that one end seals another end opening, and the wheel body perisporium is opened vertically
Provided with several bar shaped material paths 54 connected with wheel intracoelomic cavity, one end can install the drive of motor or reducing gear described in grading wheel
Moving axis, drive shaft drive grading wheel rotation, another end opening described in grading wheel be connected with charge tube 55, charge tube be provided with it is negative
Pressure device, the negative pressure device makes the material path for the wheel body that the relatively light material of quality in cavity passes through rotation enter wheel body
Inner chamber, is then exported from wheel intracoelomic cavity by expects pipe.
In implementation process, the material discharging wheel and grading wheel drive rotation by motor 46 respectively, for the ease of control speed
Reducing gear 47 also can be set.The negative pressure device can use air exhauster etc., and can be by adjusting the big of negative pressure device suction force
The small gas flow rate changed in suction cylinder, because gas with various flow velocity can blow the particle of different quality from bottom to top, therefore
This mode can reach the preliminary graded product collected from cylinder top discharging opening and specify particle size.From the foregoing, it will be observed that this practicality
New negative pressure device can will take turns external material through material path suction wheel intracoelomic cavity, and material path is in dynamic during wheel body rotation
State, into being relatively fixed for the position of the material of the lighter weight of cavity, with the increase of wheel body rotary speed, enters from material path
Entering to take turns the material of intracoelomic cavity can tail off, and the centrifugal force that only some quality relatively light material can overcome wheel body to rotate enters
Intracoelomic cavity is taken turns, and the relatively heavy material of another part quality can not then overcome centrifugal force and return and participate in preliminary in cylinder again
Classification.Therefore, the lighter material of quality can be obtained by carrying out secondary grading by grading wheel, and by adjusting the rotation speed of grading wheel
The suction force of degree and negative pressure device accurately controls the product granularity of secondary grading.
In implementation process, the rotating speed of grading wheel can be adjusted to be classified material particles size.When grading wheel works, gas powder
Under the influence of centrifugal force, big or weight particle centrifugalization power is big, therefore is got rid of to grading wheel periphery to graded region side wall, and
No longer influenceed, fallen under nature in cylinder by centrifugal force;Small or light material is small by centrifugal action, enters with air-flow and is classified
Wheel, next unit is flowed to along pipeline.Centrifugal force during the rotational speed regulation gradation that adjusts grading wheel can also be passed through simultaneously
Size, reach the purpose for the material for separating designated size.In the process of running, grading wheel peripheral speed can reach 120 meters/
Second, gravity or pneumatic actuation are leaned in charging.Grading wheel overall strength can so be increased, improve and be classified fineness, effective elimination vortex,
Windage is reduced, energy consumption is reduced, classification efficiency is improved.
Cylinder top of the present utility model is provided with the feed pipe 31 for entering the cylinder lumen for material, and material is not limited to ball milling
Material afterwards, raw material can also；Cylinder bottom enters the air inlet pipe 32 of the cylinder lumen provided with supplied gas, and the negative pressure device makes
Ambient atmos enter cylinder lumen from the air inlet pipe 32, into cylinder lumen gas by the material of the inner chamber lighter weight by
Under be blown up to top discharging opening 33, the material of heavier mass flow to bottom discharging opening 34 from top to bottom.It is of the present utility model
Air cleaner also can be set in air inlet pipe, it is ensured that the air in suction cylinder is more clean, it is to avoid the quality of influence material.By
Gas is sucked from air inlet pipe using negative pressure device in the utility model, if the material of heavier mass is directly from bottom discharging opening stream
Go out, then some possible gas enters cylinder lumen from bottom discharging opening in the presence of negative pressure device, is on the one hand unfavorable for
Discharging, on the other hand influence sucks gas to the impulsive force of inner chamber material, causes energy consumption higher, classification is difficult；On solving
Problem is stated, on the one hand the discharging mechanism that the utility model is set in discharging opening can be achieved continuous discharge, on the other hand can close out
Material mouth, prevents gas from entering cylinder lumen from discharging opening.
In the utility model, the cylinder 3 includes two conical shells setting up and down, and conical shell is that upper end is straight up and down
Footpath is big, lower end diameter is small, and the upper conical lower end inner chamber of cylinder 35 forms stepped hole 37, the step with the upper end inner chamber of inferior pyramidal cylinder 36
Hole upper end diameter is small, and lower end diameter is big.Because air inlet pipe is arranged on cylinder bottom, ambient atmos are by negative pressure device from air inlet pipe
After suction, it can enter from bottom to top by stepped hole from large diameter hole in minor diameter, so that the similar spurting of gas
Into upper conical cylinder lumen, so as to improve the flow velocity of gas；Simultaneously as the charging of material after ball milling from upper conical cylinder
After pipe enters, it can converge in the approximate centerline of cylinder in flow process from top to bottom, and now small diameter bore just may be used
The material of convergence is directed at, so that through the material that convergence is impacted in the gas tremendous range of small diameter bore, it is to avoid occur
Stock grading blind area.
In the utility model, the upper conical cylinder is flexibly connected with inferior pyramidal cylinder；Movable connection method is such as：It is described
Upper conical cylinder bottom perisporium is outward extended with extension board 38, and the extension board is used as the step surface of stepped hole, the inferior pyramidal cylinder
Body top perisporium is installed with lug 39, and the extension board is flexibly connected with lug by bolt 310, bolt such as wing bolt etc.,
It is easy for removal and installation, and be flexibly connected mode be easy to above and below conical shell separation, maintain easily and clean cylinder.This reality
The mode that bolt is flexibly connected is not limited to new, can be also flexibly connected using buckle etc..
In implementation process, conical shell top and the bottom up and down are extended with a truncated cylinder body 311, the design of cylinder
Be conducive to being attached with miscellaneous part, the cylinder design on following conical shell top is conducive to setting lug and air inlet pipe etc.；
And tangential direction of the air inlet pipe along inferior pyramidal cylinder top cylinder is arranged on the cylinder, so may be such that gas along cylinder
Spiral inner wall rises, and impacts the material of convergence after lifting flow velocity through small diameter bore, material by impact it is scattered after, heavier mass
Material overcomes the impulsive force of gas to be flowed out from bottom discharging opening, and the material of the lighter weight then edge in the presence of gas impulsive force
The spiral inner wall of upper conical cylinder rises, and is finally flowed out at the top of cylinder；Because the upper end diameter of upper conical cylinder is big, lower end is straight
Footpath is small, therefore the material of lighter weight can further disperse during spiral, now possible some quality again
Heavier material overcomes gas impulsive force to be flowed out from bottom discharging opening again, the quality of the material so flowed out from top discharging opening
It is lighter, so as to reach the purpose of further separation light matter material.
For another example, the cylinder design of inferior pyramidal cylinder bottom is conducive to discharging, and upper conical cylinder bottom cylinder design does not only have
Profit discharging also helps connection extension board, and being designed with for upper conical cylinder top cylinder is entered beneficial to closure and feed pipe etc.
Row connection；And tangential direction of the feed pipe along upper conical cylinder top cylinder is arranged on the cylinder, because material is in gas
Along cylinder inboard wall spiral in the presence of body impulsive force, therefore the feed pipe of tangent line setting and the air inlet pipe of tangent line setting cause
Material is fully contacted with gas, it is ensured that gas farthest impacts material, can further avoid the occurrence of stock grading blind area；
In implementation process, both tangential directions are preferably reversed, and impact effect is more preferable.
Above-mentioned embodiment is only for illustration of the utility model, and is not the relevant skill to limitation of the present utility model
The those of ordinary skill in art field, can be so that various changes can be made in the case where not departing from the utility model spirit and scope
And modification, therefore all equivalent technical schemes should also belong to category of the present utility model.
Claims (10)
1. a kind of dry-type ball mill classification device, including hollow cylinder, it is characterised in that：Material into the cylinder lumen is in gas
In the presence of, the material of heavier mass flow to cylinder bottom discharging opening, and the material of lighter weight flow to cylinder top discharging opening, institute
State bottom discharging opening and be connected with discharging mechanism, the material for flowing to the bottom discharging opening flows out after the discharging mechanism, the top
Bring out material mouth and be connected with dynamic centrifugal classification mechanism, flow to the material of the top discharging opening through the dynamic centrifugal classification mechanism point
Output quality relatively light material after level.
2. dry-type ball mill classification device according to claim 1, it is characterised in that：The discharging mechanism includes and the bottom
Pedestal and be arranged on rotatable material discharging wheel in the pedestal that discharging opening is tightly connected, are flowed into pedestal from the bottom discharging opening
Material pass through the material discharging wheel rotation drive outflow.
3. dry-type ball mill classification device according to claim 2, it is characterised in that：Offered on the pedestal and the bottom
Discharging opening connection goes out material through hole, offered on the pedestal from it is described go out material through hole axial direction in the middle part of the mounting hole that passes through, it is described
Material discharging wheel, which coordinates, to be arranged in the mounting hole；Several grooves are arranged at intervals with along its perisporium on the material discharging wheel, each groove
The material in half of discharging through hole can be carried, each groove makes its interior material carried from lower half by the rotation of material discharging wheel
It is individual go out material through hole outflow.
4. the dry-type ball mill classification device according to claim 1 or 2 or 3, it is characterised in that：The classification mechanism includes and institute
State the cavity of top discharging opening connection and be arranged on rotatable grading wheel in the cavity, cavity is flowed into from the top discharging opening
Interior material passes through the relatively light material of output quality after the classification of the grading wheel of rotation.
5. dry-type ball mill classification device according to claim 4, it is characterised in that：The grading wheel includes one end and seals another
The hollow wheel body of end opening, the wheel body perisporium offers several bar shaped material paths connected with wheel intracoelomic cavity, classification vertically
Take turns described one end and driven by drive shaft and rotated, another end opening, which is connected with charge tube, charge tube, is provided with negative pressure dress
Put, it is internal that the negative pressure device makes the material path for the wheel body that the relatively light material of quality in cavity passes through rotation enter wheel
Chamber, is then exported from wheel intracoelomic cavity by expects pipe.
6. dry-type ball mill classification device according to claim 5, it is characterised in that：The cylinder top is provided with to be entered for material
The feed pipe of the cylinder lumen, cylinder bottom enters the air inlet pipe of the cylinder lumen provided with supplied gas, and the negative pressure device makes outer
Boundary's gas enters cylinder lumen from the air inlet pipe, into cylinder lumen gas by the material of the inner chamber lighter weight from it is lower to
On blow to the cylinder top discharging opening and flow into the cavity, the material of heavier mass is from top to bottom from the bottom discharging opening stream
Enter and flowed out after the discharging mechanism.
7. dry-type ball mill classification device according to claim 6, it is characterised in that：The cylinder includes two cones setting up and down
Shape cylinder, conical shell is that upper end diameter is big, lower end diameter is small up and down, upper conical cylinder lower end inner chamber with inferior pyramidal cylinder
Inner chamber is held to form stepped hole.
8. dry-type ball mill classification device according to claim 7, it is characterised in that：The upper conical cylinder and inferior pyramidal cylinder
It is flexibly connected.
9. dry-type ball mill classification device according to claim 8, it is characterised in that：Conical shell top and the bottom up and down
It is extended with a truncated cylinder body；Tangential direction of the air inlet pipe along inferior pyramidal cylinder top cylinder is arranged on the cylinder, described
Tangential direction of the feed pipe along upper conical cylinder top cylinder is arranged on the cylinder.
10. dry-type ball mill classification device according to claim 1, it is characterised in that：The discharging mechanism uses electronic or gas
Movable valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067892.8U CN206474234U (en) | 2016-09-20 | 2016-09-20 | A kind of dry-type ball mill classification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067892.8U CN206474234U (en) | 2016-09-20 | 2016-09-20 | A kind of dry-type ball mill classification device |
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| Publication Number | Publication Date |
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| CN206474234U true CN206474234U (en) | 2017-09-08 |
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ID=59757223
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621067892.8U Active CN206474234U (en) | 2016-09-20 | 2016-09-20 | A kind of dry-type ball mill classification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391219A (en) * | 2016-09-20 | 2017-02-15 | 派勒（天津）纳米技术有限公司 | Dry type ball-grinding classification device |
-
2016
- 2016-09-20 CN CN201621067892.8U patent/CN206474234U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391219A (en) * | 2016-09-20 | 2017-02-15 | 派勒（天津）纳米技术有限公司 | Dry type ball-grinding classification device |
| CN106391219B (en) * | 2016-09-20 | 2019-06-18 | 派勒（天津）纳米技术有限公司 | A kind of dry-type ball mill classification device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220402 Address after: 511496 No. 1, Chuangyuan Road, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province Patentee after: PUHLER (GUANGDONG) SMART NANO TECHNOLOGY Co.,Ltd. Patentee after: Hunan paile Intelligent Equipment Group Co.,Ltd. Patentee after: Hunan Jinling Machine Tool Technology Group Co.,Ltd. Address before: 300110 room 617, Huigu building, Nankai District, Tianjin Patentee before: PUHLER (TIANJIN) NANO TECHNOLOGY Co.,Ltd. |
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