CN106083070A - The manufacture method of a kind of ceramic powder particle with clad and grain structure thereof - Google Patents
The manufacture method of a kind of ceramic powder particle with clad and grain structure thereof Download PDFInfo
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- CN106083070A CN106083070A CN201610380477.6A CN201610380477A CN106083070A CN 106083070 A CN106083070 A CN 106083070A CN 201610380477 A CN201610380477 A CN 201610380477A CN 106083070 A CN106083070 A CN 106083070A
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- clad
- ceramic powder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The manufacture method of a kind of ceramic powder particle with clad and grain structure thereof, the manufacture method of described ceramic powder particle, it is during known mist projection granulating, sprays into covering liquid during slurry forms powder, obtains the ceramic powder particle with clad after being dried；The manufacture method of the ceramic powder particle with clad that the present invention proposes, the coated particle covered effect that can make described ceramic grain surface is good, and has and save manufacturing process, reduce the high feature of cost, manufacturing benefit；The described ceramic powder particle with clad; the effect of protection is not only served to the burr of described slurry core surface; avoid the problem that manufacturing benefit is low; and surface is more smooth, mobility increases, and quality is homogeneous, be evenly distributed; thus the quality improving the ceramic powder particle when being pressed into brick differs, is distributed rambling situation; burr is damaged few, and base substrate is unlikely to deform and ftractures so that the ceramic tile surface effect being made to is more preferable.
Description
Technical field
The present invention relates to architectural pottery technical field, particularly relate to the manufacture of a kind of ceramic powder particle with clad
Method and grain structure thereof.
Background technology
In the manufacturing technology of existing ceramic powder particle, it is common that by slurry by being sprayed by sprayer unit and in heat
Carry out being dehydrated, being dried the ceramic powder particle being formed containing certain moisture and granularity under wind action, i.e. slurry droplet is empty with heat
Gas forms the mode of mixed flow, and slurry droplet forms spherical due to surface tension effects, and its moisture at high temperature evaporates rapidly
It is dried, the spherical ceramic powder particles that final acquisition is dried.
At present, it in order to make granulation outcome good, is beneficial to improve the total quality that the punching press to powder for the later stage is pressed into ceramic tile, because of
This need to carry out the quality optimization of ceramic powder particle, and be typically to first pass through the binding agent adding in mass ratio and mix with slurry
Close agitation grinding, then the slurry being prepared into is dried in spray drying tower, but often because of the substantial amounts of binding agent of needs
Make manufacturing cost height, manufacturing process's complexity, manufacture efficiency low；And exist and make dried ceramic powder because stirring is insufficient
The cementing medium of grain cladding is uneven, the shortcoming such as rough surface, poor fluidity；Additionally when being pressed into brick, because of dried pottery
The burr of ceramic powder particle surface is damaged and causes secondary powder to be sent out, and causes waste of material, manufacturing benefit low, ultimately results in manufactured
The quality of ceramic powder particle differ, be distributed disorderly and unsystematic so that ceramic tile surface effect is undesirable, and base substrate exists
The problem being easily deformed and ftractureing.
Content of the invention
It is an object of the invention to propose the manufacture method of a kind of ceramic powder particle with clad, there is saving system
Make operation, reduce the good feature of cost, manufacturing benefit height and covered effect.
Further object is that a kind of ceramic powder particle with clad of proposition, its surface more light
Sliding, good fluidity, covered effect is good, and burr is damaged few.
For reaching this purpose, the present invention by the following technical solutions:
The manufacture method of a kind of ceramic powder particle with clad, it is during known mist projection granulating, at slurry
Material sprays into covering liquid during forming powder, obtain the ceramic powder particle with clad after being dried.
Further illustrate, the manufacture method of a kind of ceramic powder particle with clad, comprise the steps:
(1) ceramic raw material is made slurry, described slurry is sprayed in spray drying tower with the dispersion of droplet shape, simultaneously in institute
The top stating misty liquid droplets in drying tower sprays into covering liquid；
(2) in spray tower, covering liquid described in dry run is coated in the pulp particle that described misty liquid droplets is formed, shape
Become there is the ceramic powder particle of clad.
Further illustrating, described covering liquid is the binding agent with antistatic, radiation proof, high intensity or high rigidity property.
Further illustrating, described covering liquid is PVA solution, and described PVA solution is stirred dissolving by PVA and 75 DEG C of hot water
Prepare, or described PVA solution is added water with ethylene glycol solution by PVA and carries out ball milling and be mixed to prepare.
Further illustrating, the pressure of described covering liquid injection is 2.0～2.5MP, the pressure of described pulp jets is 1.0～
1.5MP。
Further illustrating, the baking temperature of described dry run is 500～700 DEG C.
A kind of ceramic powder particle with clad, including clad and slurry core body, described clad is wrapped in slurry
Outside material core body, the surface distributed of described slurry core body is jagged, and is contained within described clad.
Further illustrating, described slurry core body is the ceramic particle of diameter 0.5～0.6mm, and described clad is by a diameter of
The coated particle structure composition of 0.1～0.2mm.
Further illustrate, the network structure that described clad is made up of coated particle.
Further illustrating, described coated particle is that the particle with antistatic, radiation proof, high intensity or high rigidity property is situated between
Matter.
Preferably, described coated particle is PVA particle.
Further illustrating, described ceramic powder particle can be used for petroleum fracturing propping agent or special cermacis.
Beneficial effects of the present invention: there is described in the present invention proposition manufacture method of the ceramic powder particle of clad,
The coated particle covered effect that can make described ceramic grain surface is good, and have save manufacturing process, reduce cost, manufacture
The feature of high efficiency；The described ceramic powder particle with clad, not only serves to the burr of described slurry core surface
The effect of protection, it is to avoid the low problem of manufacturing benefit, and can possess more different performance, surface is more smooth, mobility
Increasing, quality is homogeneous, be evenly distributed, thus the quality improving the ceramic powder particle when being pressed into brick differs, be distributed in a jumble
Without the situation of chapter, burr is damaged few, and base substrate is unlikely to deform and ftractures so that the ceramic tile surface effect being made to is more preferable.
Brief description
Fig. 1 is the ceramic powder grain structure schematic diagram with clad of one embodiment of the invention；
Fig. 2 is existing ceramic powder grain structure punching press compacting schematic diagram；
Fig. 3 is the ceramic powder grain structure punching press compacting schematic diagram of the present invention；
Fig. 4 is 50 times of 30 polarisation reflectogram of existing ceramic powder particle；
Fig. 5 is 50 times of 0 polarizing transmission figure of existing ceramic powder particle；
Fig. 6 is 50 times of 0 polarisation reflectogram of ceramic powder particle of the present invention；
Fig. 7 is 50 times of 0 polarizing transmission figure of ceramic powder particle of the present invention；
Wherein: clad 1, slurry core body 2, burr 3, coated particle 4.
Detailed description of the invention
Below in conjunction with the accompanying drawings and further illustrate technical scheme by detailed description of the invention.
The manufacture method of a kind of ceramic powder particle with clad, it is during known mist projection granulating, at slurry
Material sprays into covering liquid during forming powder, obtain the ceramic powder particle with clad after being dried.
Further illustrate, the manufacture method of a kind of ceramic powder particle with clad, comprise the steps:
(1) ceramic raw material is made slurry, described slurry is sprayed in spray drying tower with the dispersion of droplet shape, simultaneously in institute
The top stating misty liquid droplets in drying tower sprays into covering liquid；
(2) in spray tower, covering liquid described in dry run is coated in the pulp particle that described misty liquid droplets is formed, shape
Become there is the ceramic powder particle of clad.
Slurry is sprayed into covering liquid in its upper end while being spray-dried by the present invention, is to make dried bag
Covering liquid particle and being more uniformly coated on described pulp particle surface, the coated particle i.e. being fallen by upper end can occur with pulp particle
Particle agglomeration, thus obtain the ceramic powder particle with clad structure, effectively solve at existing building ceramic powder particle
In manufacturing technology, generally first ceramic size and binding agent are carried out mixing and ball milling, then the slurry being prepared into are spray-dried,
Often make, because needing substantial amounts of binding agent, the problem that manufacturing cost is high；Overcome because stirring is insufficient, make dried pottery
The Surface coating of powder particles is uneven, the shortcoming such as rough surface, poor fluidity, and when being pressed into brick because of pulp particle table
The destruction of face burr and produce the defect that the secondary powder of powder is sent out, as in figure 2 it is shown, existing ceramic powder grain structure, surface
Not having integument, during compacting, burr can breakage；As it is shown on figure 3, ceramic powder grain structure of the present invention, there is uniform bag
Covering layer, during compacting, burr will not be damaged.
Therefore, there is described in the present invention proposition manufacture method of the ceramic powder particle of clad, described pottery can be made
The coated particle covered effect of particle surface is good, ceramic grain surface is smooth, good fluidity, and effectively protects ceramic powder
The burr on grain surface, as shown in Figure 3；And have and save manufacturing process, reduce the high feature of cost, manufacturing benefit；Thus
The quality improving the ceramic powder particle when being pressed into brick differs, is distributed rambling situation, and burr is damaged few so that system
The ceramic tile surface effect made is more preferable, and base substrate is unlikely to deform and ftractures.
Further illustrating, described covering liquid is the binding agent with antistatic, radiation proof, high intensity or high rigidity property.
Owing to ceramic powder particle need to be suppressed through punching press, burn till etc. and to obtain Ceramic Tiles, it is therefore desirable to select to have anti-quiet
The covering liquid of electricity, radiation proof, high intensity or high rigidity property, the clad that described ceramic powder particle just can be made to be formed is stable
Property is good, effectively protects pulp particle, and makes described ceramic powder particle possess more different performance, thus carries
The mass effect of the high manufactured Ceramic Tiles obtaining.
Further illustrating, described covering liquid is PVA solution, and described PVA solution is stirred dissolving by PVA and 75 DEG C of hot water
Prepare, or described PVA solution is added water with ethylene glycol solution by PVA and carries out ball milling and be mixed to prepare.
Owing to PVA is molecular percentage level chain structure, PVA is as having the strong adherence of uniqueness, epithelium pliability, smooth
Property, the good binding agent of protecting colloid, gas barrier performance, wearability, therefore its grain structure is easily bonded to net, cladding
Form network structure, therefore can form good protective layer on the surface of pulp particle, improve granulation quality, make ceramic powder
The structure of grain is more stable.
Further illustrating, the pressure of described covering liquid injection is 2.0～2.5MP, the pressure of described pulp jets is 1.0～
1.5MP。
The pressure of described covering liquid injection is more than the pressure of described pulp jets, is to make both be dried granulating
After, described coated particle is respectively less than described pulp particle, it is achieved described coated particle is more uniformly coated on pulp particle table
Face, forms uniform clad, improves the covered effect to pulp particle for the coated particle.
Further illustrating, the baking temperature of described dry run is 500～700 DEG C.
Owing to ceramic size sprays in tower body with certain pressure and speed, usual slurry droplet is because of injection inertia and slurry
Under the effect of the gravity inertial of droplet, do the movement in a curve declining again after adverse current rises a section, slurry droplet in this process
Formed particle by heated-air drying, and the coated particle simultaneously being fallen by upper end will carry out raising and lowering at slurry droplet
Process particle agglomeration all can occur, so that part size particle and coated particle produce the situation of secondary agglomeration, impact slurry
The covered effect of material particle.And the baking temperature by described dry run is 500～700 DEG C, the moisture in tower and described can be made
Moisture vaporization in covering liquid, improves the pressure of tower internal upper part further, forms stable downward pressure, so that cladding liquid mist
Drip consistent with the direction of motion of slurry droplet downward, improve the covered effect of pulp particle, save manufacturing cost.
As it is shown in figure 1, a kind of ceramic powder particle with clad, including clad 1 and slurry core body 2, described bag
It is outside that coating 1 is wrapped in slurry core body 2, the surface distributed jagged 3 of described slurry core body 2, and is contained within described clad 1
In.
Described clad 1 is wrapped in the outside of described slurry core body 2, on the one hand not only to described slurry core body 2 surface
Burr serve the effect of protection, it is to avoid at described ceramic powder particle when punching press is pressed into brick, because of the breakage of burr
Secondary powder is caused to be sent out, the low problem of manufacturing benefit, and make described ceramic powder particle possess more different performance；The opposing party
Face is relative to existing ceramic powder grain structure, and its surface is more smooth, and mobility increases, and quality is homogeneous, be evenly distributed, right
The base substrate being formed in compacting is unlikely to deform and ftractures, and the effect of ceramic tile surface is more preferable.Existing ceramic powder as shown in Figure 4,5
Material grain structure, surface does not has integument, as shown in Figure 6,7 ceramic powder grain structure of the present invention, has uniform bag
Covering layer.
Further illustrating, the ceramic particle that described slurry core body 2 is diameter 0.5～0.6mm, described clad 1 is by diameter
It is the coated particle 4 structure composition of 0.1～0.2mm.
Owing to the covered effect on described slurry core body 2 surface is related to the structure of coated particle, if the granularity of coated particle 4
Excessive, then be unfavorable for the cladding to described slurry core body 2, and if the undersized of coated particle 4, then the clad 1 being formed is close
Degree and thickness are too small and cause being coated with uneven, unified, therefore can be to institute by the coated particle 4 of described a diameter of 0.1～0.2mm
State slurry core body 2 surface and form cladding evenly, and the burr 3 to described slurry core body 2 surface plays preferably protection
Effect.
Further illustrate, the network structure that described clad 1 is made up of coated particle 4.
Form clad 1, therefore described cladding owing to described coated particle 4 is uniformly wrapped on described slurry core body 2 surface
Particle 4 forms network structure, so that described clad is more stable, is conducive to improving the punching press pressure of described ceramic powder particle
Make the effect of brick, it is to avoid the desorption between clad 1 and slurry core body.
Further illustrating, described coated particle 4 is the particle with antistatic, radiation proof, high intensity or high rigidity property
Medium.
Owing to ceramic powder particle need to be suppressed through punching press, burn till etc. and to obtain Ceramic Tiles, it is therefore desirable to select to have anti-quiet
The coated particle of performance of electricity, radiation and high intensity, rigidity, the clad that described ceramic powder particle just can be made to be formed is stable
Property is good, effectively protects pulp particle, and makes described ceramic powder particle possess more different performance, thus carries
The mass effect of the high prepared Ceramic Tiles obtaining.
Preferably, described coated particle 4 is PVA particle.
Described PVA particle is being formed through heated-air drying by PVA solution, owing to PVA particle is easier to be bonded to net, institute's group
The clad 1 becoming has strong adherence, flatness and wearability, therefore can be formed more on the surface of described ceramic powder particle
Excellent protective layer, improves granulation quality, and the structure making ceramic powder particle is more stable.
Further illustrating, described ceramic powder particle can be used for petroleum fracturing propping agent or special cermacis.
Described special cermacis can be dielectric ceramic, semiconductive ceramic, magnetic ceramics etc..
Describe the know-why of the present invention above in association with specific embodiment.These describe and are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel do not need to pay other detailed description of the invention that performing creative labour can associate the present invention, and these modes fall within
Within protection scope of the present invention.
Claims (11)
1. having a manufacture method for the ceramic powder particle of clad, it is during known mist projection granulating, at slurry
Spray into covering liquid during forming powder, after being dried, obtain the ceramic powder particle with clad.
2. the manufacture method of a kind of ceramic powder particle with clad as claimed in claim 1, it is characterised in that include
Following steps:
(1) ceramic raw material is made slurry, described slurry is sprayed in spray drying tower with the dispersion of droplet shape, do described simultaneously
In dry tower, the top of misty liquid droplets sprays into covering liquid；
(2) in spray tower, covering liquid described in dry run is coated in the pulp particle that described misty liquid droplets is formed, and forms tool
There is the ceramic powder particle of clad.
3. the manufacture method of a kind of ceramic powder particle with clad according to claim 1 and 2, its feature exists
In: described covering liquid is the binding agent with antistatic, radiation proof, high intensity or high rigidity property.
4. the manufacture method of a kind of ceramic powder particle with clad according to claim 3, it is characterised in that: institute
Stating covering liquid is PVA solution, and described PVA solution is stirred dissolving by PVA and 75 DEG C of hot water and prepares, or described PVA solution by
PVA and ethylene glycol solution add water and carry out ball milling and be mixed to prepare.
5. the manufacture method of a kind of ceramic powder particle with clad according to claim 2, it is characterised in that: institute
The pressure stating covering liquid injection is 2.0～2.5MP, and the pressure of described pulp jets is 1.0～1.5MP.
6. the manufacture method of a kind of ceramic powder particle with clad according to claim 2, it is characterised in that: institute
The baking temperature stating dry run is 500～700 DEG C.
7. the ceramic powder with clad that the manufacture method using as described in any one in claim 1～6 prepares
Material particle, it is characterised in that: including clad and slurry core body, described clad is wrapped in outside slurry core body, described slurry
The surface distributed of core body is jagged, and is contained within described clad.
8. a kind of ceramic powder particle with clad according to claim 7, it is characterised in that: described slurry core body
For the ceramic particle of diameter 0.5～0.6mm, described clad is made up of the coated particle structure of a diameter of 0.1～0.2mm.
9. a kind of ceramic powder particle with clad according to claim 7 or 8, it is characterised in that: described cladding
The network structure that layer is made up of coated particle.
10. a kind of ceramic powder particle with clad according to claim 8, it is characterised in that: described cladding
Grain is PVA particle.
11. a kind of ceramic powder particles with clad according to claim 7, it is characterised in that: described ceramic powder
Material particle can be used for petroleum fracturing propping agent or special cermacis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610380477.6A CN106083070B (en) | 2016-05-31 | 2016-05-31 | A kind of manufacturing method of the ceramic powder particle with clad |
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| CN201610380477.6A CN106083070B (en) | 2016-05-31 | 2016-05-31 | A kind of manufacturing method of the ceramic powder particle with clad |
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| CN106083070A true CN106083070A (en) | 2016-11-09 |
| CN106083070B CN106083070B (en) | 2019-08-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926342A (en) * | 2017-04-12 | 2017-07-07 | 佛山市东鹏陶瓷有限公司 | A kind of dry method granulation processes of high-strength ceramic tile |
| CN111217588A (en) * | 2018-11-27 | 2020-06-02 | 大东产业株式会社 | Method for producing high-fluidity granular powder for ceramic tiles and method for producing ceramic tiles |
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| CN1733652A (en) * | 2005-06-30 | 2006-02-15 | 北京科技大学 | Preparation method of ceramic powder material applying in precinct laser sintering for quick formation |
| CN1927437A (en) * | 2005-09-06 | 2007-03-14 | 株式会社粉研宝泰司 | Method and apparatus for granulating by mixing powder and liquid continuously |
| CN1995157A (en) * | 2006-12-08 | 2007-07-11 | 安徽大学 | Macromole surface modifier coated modified ceramic nano powder and its uses |
| CN103113133A (en) * | 2012-12-28 | 2013-05-22 | 广东东鹏控股股份有限公司 | Method for manufacturing anti-static ceramic tiles |
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|---|---|---|---|---|
| CN1216592A (en) * | 1996-02-29 | 1999-05-12 | 厄恩斯特R·德鲁克 | Construction system using light weight fire-resistant panels |
| CN2668242Y (en) * | 2003-05-14 | 2005-01-05 | 中国科学院过程工程研究所 | Special apparatus for nano particle surface design |
| CN1733652A (en) * | 2005-06-30 | 2006-02-15 | 北京科技大学 | Preparation method of ceramic powder material applying in precinct laser sintering for quick formation |
| CN1927437A (en) * | 2005-09-06 | 2007-03-14 | 株式会社粉研宝泰司 | Method and apparatus for granulating by mixing powder and liquid continuously |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926342A (en) * | 2017-04-12 | 2017-07-07 | 佛山市东鹏陶瓷有限公司 | A kind of dry method granulation processes of high-strength ceramic tile |
| CN106926342B (en) * | 2017-04-12 | 2019-05-14 | 佛山市东鹏陶瓷有限公司 | A kind of dry method granulation processes of high-strength ceramic tile |
| CN111217588A (en) * | 2018-11-27 | 2020-06-02 | 大东产业株式会社 | Method for producing high-fluidity granular powder for ceramic tiles and method for producing ceramic tiles |
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| CN106083070B (en) | 2019-08-06 |
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Effective date of registration: 20170419 Address after: 528031 Chancheng, Foshan District, Jiangwan, No. three, No., layer 8, layer two Applicant after: Foshan Dongpeng Ceramic Co., Ltd. Applicant after: Guangdong Dongpeng Holdings Co., Ltd. Applicant after: Qingyuan Nafuna Ceramics Co.,Ltd. Address before: 528031 Chancheng, Foshan District, Jiangwan, No. three, No., layer 8, layer two Applicant before: Foshan Dongpeng Ceramic Co., Ltd. Applicant before: Guangdong Dongpeng Holdings Co., Ltd. Applicant before: Qingyuan Nafuna Ceramics Co.,Ltd. Applicant before: Guangdong Dongpeng Ceramic Co., Ltd. |
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