CN109092509A - The milling apparatus of production for ceramic product - Google Patents
The milling apparatus of production for ceramic product Download PDFInfo
- Publication number
- CN109092509A CN109092509A CN201810644020.0A CN201810644020A CN109092509A CN 109092509 A CN109092509 A CN 109092509A CN 201810644020 A CN201810644020 A CN 201810644020A CN 109092509 A CN109092509 A CN 109092509A
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- CN
- China
- Prior art keywords
- separator
- grinder
- product
- equipment
- downstream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The milling apparatus (1) of production for ceramic product, comprising:-hopper (2), for raw material to be ground to be added；Grinder (3) with abrasive body, is arranged in the downstream of hopper (2), and is configured to receive and grind the raw material；By grinding in grinder (3) come the first separator (4,4') of the product obtained, it is arranged in the downstream of grinder (3)；- the first filter device (5), is arranged in the downstream of first separator (4,4'), and is configured to separate product at least partly with air；By in grinder (3), come the second separator (6,6') of the product obtained, the second separator is arranged in the downstream of first separator (4,4') for grinding.
Description
Technical field
The present invention relates to a kind of productions for being used for ceramic product (such as pigment and colorant of powder or gravel form)
Milling apparatus.
Background technique
Known milling apparatus generally includes the grinder with the spherical grinding body for making raw material dwindle into product.
Known grinder is usually made of hollow body with cylinder shape comprising multiple grinding spheres, via
Hopper supplies raw material to the hollow body and starts the rotation of (activated) hollow body, makes it possible to shake grinding sphere, thus
Allow for grinding operation.
Dry grinded first currently, making it possible to subtly grind raw material with the equipment for obtaining determining granularity, then into
Row wet-milling, because only dry grinding can not obtain product extremely fine.
However, wet-milling is an expensive process, and fine particle product obtained needs further prolonged drying
Process, product obtained can be stored and in processing operation later using the product.
Summary of the invention
In this context, support technical assignment of the invention be to provide it is a kind of avoid the prior art as described above lack
The milling apparatus of the production for ceramic product of point.
Set technical assignment and target is obtained basically by a kind of milling apparatus of production for ceramic product
Comprising the technical characteristic illustrated in the present invention.
The present invention provides a kind of milling apparatus of production for ceramic product, comprising:-hopper, for being added wait grind
The raw material of mill；The grinder for having abrasive body, is arranged in the downstream of hopper, and is configured to receive and grind former material
Material；By grinding in grinder come the first separator of the product obtained, it is arranged in the downstream of grinder；- the first filtering
Device, is arranged in the downstream of the first separator, and is configured to separate product at least partly with air；Particularly, this grinds
Mill equipment includes by being ground in grinder come the second separator of the product obtained, which is arranged in the
The downstream of one separator.
Detailed description of the invention
As illustrated in the accompanying drawings, from a kind of the preferred of the milling apparatus of production for ceramic product but simultaneously
In indicative (thus unrestricted) description of the embodiment of nonexcludability, further characteristic of the invention and advantage will become
It must become apparent from, in which:
- Fig. 1 is the perspective schematic view of the first embodiment of the milling apparatus according to the present invention for production；
- Fig. 2 is another perspective schematic view of the equipment of Fig. 1；
- Fig. 3 is the perspective view of the second embodiment of the milling apparatus according to the present invention for production；
- Fig. 4 is the perspective view of another embodiment of equipment of the invention.
Specific embodiment
A kind of milling apparatus of production for ceramic product is indicated on the whole with reference to attached drawing, 1.
Equipment 1 is configured to realize the product of Micronised powders pigment, gravel etc..
Equipment 1 includes the hopper 2 for raw material to be ground to be added.Raw material preferably include chromophore oxide (tool
Have≤the average particle size of 5mm) or be made of frit.
The equipment includes the grinder 3 with abrasive body, is arranged in the downstream of hopper 2, and be configured to receive and grind
The raw material are ground at least partly to dwindle into powder type.
Grinder 3 is designed using and based on particular use preferably for the abrasive body being made of sphere, on the market
It can get the sphere of various sizes and material, and grinder 3 includes the hollow body that can accommodate raw material and sphere to be ground.
In the embodiment illustrated in attached drawing 1 to 3, grinder 3 is preferably axisymmetric, still more preferably, it
Including two substantially truncated cone shape, part in corresponding main base position connection, and be provided with pair being overlapped with rotation axis R
Claim axis.In use, the hollow body of grinder 3 rotates surrounded axis and horizontally arranges.
In another possible embodiment according to the present invention illustrated not in the drawings, grinder 3 can have circle
Cylindrical shape.
Hopper 2 is preferably connected to grinding by corresponding conveying connecting tube invisible in the accompanying drawings or sleeve
Machine 3.
Equipment 1 includes being arranged in and grinding by grinding in grinder 3 come the first separator 4, the 4' of the product obtained
The downstream of grinding machine 3, and be configured at and be partially separated/sieve product.Grinder 3 preferably by the first conveyance conduit 4a,
4'a is connected to the first separator 4,4'.
Equipment 1 includes the first filter device 5, is arranged in the downstream of first separator 4,4', and be configured to make
Product at least partly with air separation, prevents handled product from leaving together with air from equipment 1.
Therefore, the first filter device 5 is advantageously isolated the air mobile towards product suction system, which preferably falls
On the bottom of suction unit 5.
First filter device 5 is preferably connected to suction unit A, limits the product suction system of equipment 1.
Note that filter device 5 be suction sleeve filter, and separator 4,4', 6,6' be air separator.
First separator 4 is preferably connected to the first filter device 5 by connecting hose 5a accordingly.
The product for grinding and aspirating is collected from the first separator 4, the 4' driven by the first filter device 5.
First separator 4,4' advantageously execute the first time separation of product, to make bigger according to design requirement
Grain is separated with thinner particle.
Further, equipment 1 advantageously comprises the second separator 6,6', is arranged under the first separator 4,4'
Trip, to be located at the place of series connection with it.Particularly, the second separator 6,6' execute second and separate, so that bigger
Grain is further separated with thinner particle.
Therefore, according to the present invention, two separators 4,4', 6,6' are arranged in series, therefore advantageously possible with this
The mode of sample constructs the two devices: so that with the product flow rate greater than the inlet flow rate in the second separator 6,6' to first
The progress of separator 4,4 ' supply.
In the first embodiment of the equipment 1 illustrated in fig. 1 and 2, the first separator 4 is opened with the first revolving speed
Dynamic, which is less than the second revolving speed of the second separator 6 of starting.In other words, the first separator 4 is than second point
The lower power of power from device 6 executes separation.
Therefore, the first separator 4 advantageously executes " slowly separation ", and can be relative to the second separator 6
While separating capacity executes rough segmentation to material, a large amount of material is handled in entrance, to avoid inefficient, but is handled on the whole
Very big flow velocity；And the second separator 6 executes " quick separating ", so that further screening comes from a more effective manner
The separated product of first separator 4, to guarantee the continuity of production, can be increased with obtaining thinner product
The efficiency of equipment 1.
Therefore, through the invention, the particle for having the average particle size smaller than one micron may be obtained, there is good yield
And the flow velocity that raw material enter equipment 1 is not reduced by continuous operation, that is, do not block, if using high revolving speed is individually had
The separator of (such as order of magnitude of 10000rpm), then by blocking.
The first separator 4 is preferably started with the first revolving speed, the first revolving speed is included between 2000rpm and 3000rpm,
Preferably 2800rpm.
For the first tachometer value being described above, actually advantageously possible most preferably processing powder enters first point
High flow rate and the first crude separation of execution from device 4, so that there is less powder to be processed in the second separator 6
End, and can be with more rapidly and more efficient way executes fine separation.
Second revolving speed of the second separator 6 is preferably included between 10000rpm and 12000rpm.
Therefore, the second separator 6 can advantageously execute faster separation, be enable to relative to the first separation
Device 4 extracts thinner particle, while not having to that all materials from grinder 3 must be handled, because of material at least portion
Divide ground by 4 crude separation of the first separator.
Further, in the first embodiment of illustration, the first filter device 5 is preferably arranged in the first separator
4 and second between separator 6.
Particularly, the first filter device 5 is connected to the second separator 6 by corresponding connecting tube 6a.
Equipment 1 preferably further comprises the second filter device 7, is arranged in the downstream of the second separator 6, still more excellent
Selection of land passes through corresponding connecting tube 7a connection.
Second filter device 7 is connected to suction unit A, identical as the every other filter mentioned in the present specification.
Equipment 1 preferably further comprises at least one of following pipeline:
- the first return duct 3a, the interconnecting piece being arranged as between the first separator 4 and grinder 3, and be configured to make
Product at least partially returns in grinder 3；
- the second return duct 3b, the interconnecting piece being arranged as between the second separator 6 and grinder 3, so that product is extremely
Partially return in grinder 3.
In particular it is preferred to which ground is according to first embodiment, equipment 1 is constructed so that:
- the first separator 4 makes it possible at least partly separate product, so that: will there is≤the grain of 0.015mm
The particle of degree is transported to the second separator 6 by the first suction unit 5, while making the particle of the granularity with >=0.015mm
Back in grinder 3 to be ground again；
- the second separator 6 makes it possible at least partly separate product, so that: will there is≤the grain of 0.003mm
The particle of degree is transported to accumulator plant by the second suction unit 7, and accumulator plant is disposed on the bottom of the second suction unit 7
At valve 8, at the same make the particle of the granularity with >=0.003mm back in grinder 3 to be ground again.
Therefore, because equipment 1 and the presence with high-revolving second separator 6, be advantageously able to be had≤
The very thin powder of the granularity of 0.003mm.
Therefore, milling apparatus 1 is only dry grinded, and is enable to obtain the diminution of the starting material lower than one micron.
First point will be transported to from the abrasive product that grinder 3 extracts due to the low pressure generated in the inside of connecting tube 4a
From device 4, there is the first time separation of product in the inside of the first separator 4, wherein by (adjustable) warp of coarse part
Grinder 3 is transported to by the first return duct 3a, fine portion is transported to the second separator 6 on the contrary, in the second separation dress
The inside for setting 6 carries out further granularity selection, wherein collects fine product (finished product) in the second suction unit 7.
A modification according to first embodiment, equipment 1 include single filter device 5, and two separators 4,6 share should
Filter device 5.
In this case, the outlet of the first separator 4 is directly connected to the entrance of the second separator 6, to supply it
Answer the most thick part (or " waste ") of product, at the same the second separator 6 by most thick partial relief into grinder 3.
It is collected in single filter 5 by the most thin part that two separators 4,6 separate.
Note that the remainder of the structure of the equipment illustrated in Fig. 4 can be identical as the part of Fig. 1 and Fig. 2.
The productivity that this modification makes it possible to have another mode, that is, the production of large-tonnage product is separated within the unit time
Power.
Therefore, the equipment 1 constructed in this way can obtain the particle with the average particle size lower than one micron, have
Good yield and by continuous operation do not reduce the flow velocity that raw material enter equipment.
In this way, improving the performance of equipment in terms of the amount of handled product and in terms of granularity quality.
It also in more detail, is being the first separator 4 suitably adjusted by the particle size separation of formation in 2 microns of hypothesis
Yield usually with 35-40% is executed into separation.
In other words, only above-mentioned percentage will include correct granularity component, have 97% feature less than 2 microns.
The remainder of powder will be transported to the second separator 6 on the contrary, is achieved in that the big of ground material
Partial recycling, to increase the performance of equipment.
With reference to the second embodiment of Fig. 3 equipment 1 illustrated, the second separator 6 is preferably strainer, such as vibrates
Sieve or nutating vibrating screen, and equipment 1 is configured to milled ceramic " frit " with acquisition " micro- gravel ".
Particularly, according to second embodiment, equipment 1 includes at least one of the following terms or multiple:
- the first bucket elevator (bucket elevator) 9, is arranged between hopper 2 and grinder 3, and be configured to
For at least described raw material to be ground to be transferred to grinder 3 by corresponding connecting tube 9a；
- the first conveyance conduit 10, the interconnecting piece being arranged as between the first separator 4' and the second separator 6', and
It is configured at least partly for product to be transported to the second separator 6'；
Third return duct 3c, the interconnecting piece being arranged as between the second separator 6' and the first bucket elevator 9,
And it is configured at least partially return to product in grinder 3 via the first bucket elevator 9；
- the second bucket elevator 11 is arranged in the downstream of the second separator 6', is connected by relevant connecting tube 11a
It is connected to the second separator 6', and is configured to that product is at least partly transferred to weighing hopper by corresponding connecting tube 12a
12。
In particular it is preferred to which ground is according to second embodiment, equipment 1 is constructed so that:
Hopper 2 is suitable for receiving the raw material of " frit " form in entrance；
- the first separator 4' makes it possible at least partly separate product, so that: will there is >=0.045mm
The most fine grained of granularity is transported to the first filter device 5 using as waste storage, while will have≤of the granularity of 0.045mm
Grain is transported to the second separator 6' further to separate；
- the second separator 6' makes it possible at least partly separate product, so that: will there is≤0.018mm
For the particle delivery of granularity to the second bucket elevator 11, the second bucket elevator 11, which passes through corresponding valve 13, falls on these particles
In weighing hopper 12, weighing hopper 12 is used to measure finished product, also referred to as " gravel ", while making the granularity with >=0.018mm
Particle returns in grinder 3, is preferably transmitted via the first bucket elevator 9, to be ground again.
Stated differently, since the low pressure generated inside connecting tube 4'a and from grinder 3 extract abrasive product, by product
It is transported to the first separator 4' by connecting tube 4'a, the first choice occurred in the first separator is fine portion quilt
It is transported to the first filter device 5, while coarser particle size component is transported to the second separator 6', in the second separator 6'
Portion executes further granularity selection, so that bigger granularity component is made to return to grinder by the first bucket elevator 9
3。
Therefore, because equipment 1 and the presence with the second separator 6' of the first separator 4' arranged in series, advantageously
The powder of expected granularity can be obtained, hopper 2 is fed with simultaneously continuously and not blocking.
Finally, equipment 1 can further preferably include iron separator, not in the drawings for example, iron separator is arranged
In the downstream of the second separator 6,6', and it is configured to remove iron particle from powder.
It is advantageously possible to prevent product obtained from being polluted by ferrite material due to the presence of iron separator, such as come
From the ferrite material of corrosion and abrasion in equipment 1, so that ferrite material does not change the color contents of gravel.
The present invention realizes proposed target, which avoids the shortcomings that reporting in the prior art, and makes user
The equipment 1 of the production for ceramic product can be obtained, the device structure is simple and can improve its operating flexibility and be mostly used
Property while improve production process efficiency.
Claims (9)
1. a kind of milling apparatus (1) of production for ceramic product, comprising:
Hopper (2), for raw material to be ground to be added；
The grinder (3) for having abrasive body, is arranged in the downstream of the hopper (2), and is configured to described in reception and grinding
Raw material；
By grinding in the grinder (3) come the first separator (4,4') of the product obtained, it is arranged in the grinding
The downstream of machine (3)；
- the first filter device (5), is arranged in the downstream of first separator (4,4'), and is configured to make product and air
At least partly separate；
It is characterized in that, the milling apparatus includes by grinding in the grinder (3) come second point of the product obtained
From device (6,6'), which is arranged in the downstream of first separator (4,4').
2. equipment (1) according to claim 1, wherein first separator (4) is somebody's turn to do with the starting of the first revolving speed
First revolving speed is less than the second revolving speed for starting second separator (6).
3. equipment (1) according to claim 2, wherein first revolving speed is included between 2000rpm and 3000rpm,
And wherein, second revolving speed is included between 10000rpm and 12000rpm.
4. equipment (1) according to claim 2 or 3, wherein first filter device (5) is arranged in described first point
From between device (4) and second separator (6).
5. according to one or more equipment (1) in claim 2 to 4, including at least one of the following terms:
- the first return duct (3a), the interconnecting piece being arranged as between first separator (4) and the grinder (3), and
It is configured at least partially return to product in the grinder (3)；
- the second return duct (3b), the interconnecting piece being arranged as between second separator (6) and the grinder (3), with
At least partially return to product in the grinder (3).
6. according at least one described equipment in preceding claims, including being shared for two separators (4,6)
Single filter device (5), wherein the outlet of first separator (4) is directly connected to second separator (6)
Entrance to supply the coarse part of separated product to it.
7. according to one or more equipment (1) in claim 2 to 5, including being arranged in second separator
(6) second filter device (7) in downstream.
8. equipment (1) according to claim 1, including at least one of the following terms or multiple:
- the first bucket elevator (9) is arranged between the hopper (2) and the grinder (3), and is configured near
Few raw material to be ground are transferred to the grinder (3)；
- the first conveyance conduit (10), be arranged as first separator (4') and second separator (6') between
Interconnecting piece, and be configured to the powder being at least partly transported to second separator (6')；
Third return duct (3c) is arranged as second separator (6') between first bucket elevator (9)
Interconnecting piece, and be configured to that product is made at least partially return to the grinder (3) via first bucket elevator (9)
In；
- the second bucket elevator (11) is arranged in the downstream of second separator (6'), and is configured to the powder extremely
Partially it is transferred to weighing hopper (12).
9. equipment (1) according to claim 1, including iron separator, which is arranged in the second separation dress
The downstream of (6,6') is set, and is configured to remove iron particle from the powder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102017000069244 | 2017-06-21 | ||
| IT102017000069244A IT201700069244A1 (en) | 2017-06-21 | 2017-06-21 | Grinding plant for the production of ceramic products. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109092509A true CN109092509A (en) | 2018-12-28 |
Family
ID=60294226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644020.0A Pending CN109092509A (en) | 2017-06-21 | 2018-06-21 | The milling apparatus of production for ceramic product |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3417942A1 (en) |
| CN (1) | CN109092509A (en) |
| IT (1) | IT201700069244A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515696B (en) * | 2022-01-13 | 2022-11-29 | 哈尔滨工业大学 | Screening and circulating grinding device capable of automatically judging natural mineral grain grading state |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4245999A (en) * | 1978-08-25 | 1981-01-20 | Kenneth S. Safe, Jr. | Method and apparatus for obtaining low ash content refuse fuel, paper and plastic products from municipal solid waste and said products |
| CA2859455C (en) * | 2011-12-16 | 2020-01-07 | Lafarge | Grinding process and unit, and corresponding production process of a hydraulic binder |
| CN202438372U (en) * | 2012-02-27 | 2012-09-19 | 山东惟远新材料装备有限公司 | Quartz smashing graded production line |
-
2017
- 2017-06-21 IT IT102017000069244A patent/IT201700069244A1/en unknown
-
2018
- 2018-06-18 EP EP18178293.9A patent/EP3417942A1/en not_active Withdrawn
- 2018-06-21 CN CN201810644020.0A patent/CN109092509A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP3417942A1 (en) | 2018-12-26 |
| IT201700069244A1 (en) | 2018-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181228 |
|
| WD01 | Invention patent application deemed withdrawn after publication |