CN110064339A - The preparation method of composite particles - Google Patents
The preparation method of composite particles Download PDFInfo
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- CN110064339A CN110064339A CN201910376438.2A CN201910376438A CN110064339A CN 110064339 A CN110064339 A CN 110064339A CN 201910376438 A CN201910376438 A CN 201910376438A CN 110064339 A CN110064339 A CN 110064339A
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- composite particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/10—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in stationary drums or troughs, provided with kneading or mixing appliances
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Abstract
The invention discloses a kind of preparation methods of composite particles, by being processed using fine grained of the equipment such as heating system, blender, rotating cylinder and ball mill to selection, based on intergranular diffusion and cementation, or by the way that binder is added, form new composite particles.The present invention provides a kind of preparation method of composite particles, method is simple, strong applicability, is widely used in various granular materials preparation fields.
Description
Technical field
The invention belongs to granular materials preparation fields, and in particular to a kind of preparation method of composite particles.
Background technique
With the needs that China's industrial repositioning upgrades, to the performance of particle, more stringent requirements are proposed, particle preparation technology
Extremely important role is just played to the performance and cost control of each field particle.For example, nano particle is effectively prepared directly
The technological progress of battery, mineral material, powder metallurgy is restrict, the cost of plastics, rubber, paper industry is influenced；In medical row
Industry field, the hydrophobicity and hydrophily of particle are equally of great significance to the exploitation of drug, and preparing for food additives is same
New demand is proposed to particle preparation；For iron and steel metallurgical industry as traditional industry, the preparation of heat-insulating granules is novel resistance to preparing
Fiery material has great importance；In biochemical reaction field, the preparation of coarse particles is to improve the adherency of biomembrane, prevents biology
The important means that film falls off.Therefore, compound particle is efficiently prepared, the upgrading of high-tech industry is peomoted, reduces production
Cost, in the industrial circles such as electronics, chemical industry, machinery, biomedicine, the application prospect with increasingly extensive development.
Summary of the invention
The present invention is proposed to overcome disadvantage existing in the prior art, and the purpose is to provide a kind of composite particles
Preparation method.
The technical scheme is that
A kind of preparation method of composite particles, the method specifically:
The particle for choosing two or more, is sufficiently mixed, and handles mixed particle, makes to glue between each particle
Knot forms a kind of new composite particles.
The processing is heat treatment.
The method of the heating is electrical resistance heating, chemical flame method, plasma method or laser method.
At least a kind of particle softens on surface during heating in described two or two or more particles.
It is described processing for by mixed particle be put into high speed agitator or high-speed rotating roller high speed rotation stir
It mixes.
The high speed agitator is pointed tank room, and the pointed tank room is by least one Particle Breakage, broken
Grain is bonded with other particles.
Binder is added in the high speed agitator or high-speed rotating roller.
The high-speed rotating roller is heated at high temperature, the heating means be electrical resistance heating, chemical flame method,
Plasma method or laser method；The rotation mode of the roller is horizontal rotation or vertical rotary.
The processing carries out ball-milling treatment for mixed particle to be put into ball mill.
Binder is added in the ball mill.
The beneficial effects of the present invention are:
The present invention provides a kind of preparation method of composite particles, method is simple, strong applicability, is widely used in various granular materials
Expect preparation field.
Detailed description of the invention
Fig. 1 is preparation facilities used by the preparation method of embodiment 1 in the present invention；
Fig. 2 is preparation facilities used by the preparation method of embodiment 2 in the present invention.
Wherein:
1 motor, 2 charging gear
3 agitator tank, 4 blender
5 quartz sand 6a magnetite powders
6b plastic grain PE
7 gas devices.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment the present invention is described in detail:
A kind of preparation method of composite particles, the method specifically: choose two or more particle, guarantee selection
Grain is sufficiently mixed, by being heated to the hybrid particles, at least a kind of surface of particle in the hybrid particles
Soften, lead to sticky increase, generate cementation between the fine grained, forms a kind of new composite particles；Described adds
Hot mode can be using heating methods such as electrical resistance heating, chemical flame method, plasma method, laser methods.
A kind of preparation method of composite particles, the method specifically: choose two or more particle, guarantee choosing
Being sufficiently mixed for particle is taken, the hybrid particles are put into high speed agitator, by the turning effort of the blender, is promoted
It is bonded into particle, forms a kind of new composite particles；The high speed agitator can use pointed tank room, the pointed tank room
Wherein at least one Particle Breakage, the broken particle can be bonded with other particles, form new composite particles；
Binder is added into the high speed agitator can make the hybrid particles bond, and form new composite particles.
A kind of preparation method of composite particles, the method specifically: choose two or more particle, guarantee choosing
Being sufficiently mixed for particle is taken, the hybrid particles are placed in high-speed rotating roller, by the high-speed rotation of the drum
Effect promotes fine grained bonding, forms a kind of new particle；The roller can be heated at high temperature, and the bonding of particle is improved
Rate；The heating method can be using heating methods such as electrical resistance heating, chemical flame method, plasma method, laser methods；Institute
The mode for the roller rotation stated can be by the way of horizontal rotation and vertical rotary；Binder is added into the roller can
So that the hybrid particles bond, new composite particles are formed.
A kind of preparation method of composite particles, the method specifically: choose two or more particle, guarantee choosing
Take being sufficiently mixed for particle, the hybrid particles be placed in ball mill, the particle pass through ball milling, the shape of particle,
The properties such as size change, and bonding is generated between the particle ground, form a kind of new particle；Into the ball mill
Binder is added, the particle passes through ball milling, generates bonding between the particle ground, forms a kind of new particle.
The size uniformity of the particle of selection described in the above method is non-uniform, the interparticle density of the selection it is consistent or
It is inconsistent.The size of the particle of the selection is between 1 micron to 10 millimeters.The particle be adjusted during the preparation process or
It changes surface nature and internal structure includes the change of grain density and the adjustment of surface roughness, so that the composite particles
It include being magnetic, with catalytic performance, band polarized, band with absorption property with related functionality.
Embodiment 1
As shown in Figure 1, for production magnetic material needs, using quartz sand 5 (average grain diameter dp=4000 μm, real density ρ=
2600kg/m3) and magnetite powder 6a (average grain diameter dp=4 μm, real density ρ=4600kg/m3) is used as composite particles.Practical work
When making, quartz sand 5 is fed in agitator tank 3 by charging gear 2 first, starts motor 1, adjusts the mixing speed of blender 4；
Magnetite powder 6a is fed successively by charging gear, by the high speed rotation of agitating device 4, promotes magnetite powder 6a and quartz sand
5 bonding forms a kind of new magnetic coupling particle.
Embodiment 2
Rough facilitates biomembrane and is attached to particle surface in some biochemical reaction processes, is not susceptible to fall off,
It is more advantageous to the efficiency for improving biochemical reaction.Therefore, for the preparation of rough surface particle, as shown in Fig. 2, selecting quartz sand 5
(average grain diameter dp=1000 μm, real density ρ=2600kg/m3) and plastic grain PE 6b(average grain diameter dp=3500 μm, it is very close
Spend ρ=900kg/m3).In actual work, quartz sand 5 is fed in agitator tank 3 first by charging gear 2, starts motor 1, adjusted
The mixing speed for saving blender 4 controls the speed and temperature for feeding gas by regulating gas device 7；Plastic grain PE 6b is logical
It crosses charging gear to feed successively, high-temperature gas can be such that the surface plastic grain PE 6b softens, and lead to sticky increase, with stone
Sand 5 generates cementation, forms a kind of new shaggy composite particles；By the high speed rotation of agitating device 4, improve
The bonding efficiency of plastic grain PE 6b and quartz sand 5 further increase the efficiency to be formed and show coarse composite particles；
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention.It is noted that being led for this technology
For the those of ordinary skill in domain, various improvements and modifications may be made without departing from the principle of the present invention, these
Improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of composite particles, it is characterised in that: the method specifically: choose two or more
Grain, is sufficiently mixed, handles mixed particle, make each interparticle bonding, forms a kind of new composite particles.
2. the preparation method of composite particles according to claim 1, it is characterised in that: the processing is heat treatment.
3. the preparation method of composite particles according to claim 2, it is characterised in that: the method for the heating adds for resistance
Thermal method, chemical flame method, plasma method or laser method.
4. according to claim 1 to the preparation method of composite particles described in one of 3, it is characterised in that: described two or two kinds
At least a kind of particle softens on surface during heating in above particle.
5. the preparation method of composite particles according to claim 1, it is characterised in that: the processing is by mixed
Grain is put into high speed agitator or high-speed rotating roller high speed Stirring.
6. the preparation method of composite particles according to claim 5, it is characterised in that: the high speed agitator is pointed tank
Room, the pointed tank room bond at least one Particle Breakage, the broken particle and other particles.
7. the preparation method of composite particles according to claim 5, it is characterised in that: in the high speed agitator or height
Binder is added in the roller of speed rotation.
8. the preparation method of composite particles according to claim 5, it is characterised in that: to the high-speed rotating roller into
Row high-temperature heating, the heating means are electrical resistance heating, chemical flame method, plasma method or laser method；The rotation of the roller
Turn mode as horizontal rotation or vertical rotary.
9. the preparation method of composite particles according to claim 1, it is characterised in that: the processing is by mixed
Grain, which is put into ball mill, carries out ball-milling treatment.
10. the preparation method of composite particles according to claim 9, it is characterised in that: be added in the ball mill viscous
Tie agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376438.2A CN110064339A (en) | 2019-05-07 | 2019-05-07 | The preparation method of composite particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376438.2A CN110064339A (en) | 2019-05-07 | 2019-05-07 | The preparation method of composite particles |
Publications (1)
| Publication Number | Publication Date |
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| CN110064339A true CN110064339A (en) | 2019-07-30 |
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Family Applications (1)
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| CN201910376438.2A Pending CN110064339A (en) | 2019-05-07 | 2019-05-07 | The preparation method of composite particles |
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Citations (7)
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|---|---|---|---|---|
| CN1923744A (en) * | 2005-08-31 | 2007-03-07 | 天津市世纪东方建筑景观雕塑技术开发中心 | Preparation method of particle decoration plate |
| DE102006025848A1 (en) * | 2006-03-29 | 2007-10-04 | Byk-Chemie Gmbh | Production of composite particles for use e.g. in coating materials, involves pulverising particle agglomerates in carrier gas in presence of organic matrix particles and dispersing the fine particles in the matrix particles |
| CN101100384A (en) * | 2007-07-20 | 2008-01-09 | 浙江大学 | Nanocomposite silicon carbide ceramics and preparation method thereof |
| CN101395095A (en) * | 2006-03-03 | 2009-03-25 | 工程吸气公司 | Method of forming layers of getter material on glass parts |
| CN103041746A (en) * | 2011-10-15 | 2013-04-17 | 四川汇利实业有限公司 | Stirring granulator with double granulation knives |
| CN104772104A (en) * | 2015-03-19 | 2015-07-15 | 中国工程物理研究院材料研究所 | Method for preparing fixed bed reactor filling material |
| CN108948849A (en) * | 2018-05-29 | 2018-12-07 | 成都新柯力化工科技有限公司 | It is a kind of for building the graphene masterbatch and preparation method of aging resistant coating |
-
2019
- 2019-05-07 CN CN201910376438.2A patent/CN110064339A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923744A (en) * | 2005-08-31 | 2007-03-07 | 天津市世纪东方建筑景观雕塑技术开发中心 | Preparation method of particle decoration plate |
| CN101395095A (en) * | 2006-03-03 | 2009-03-25 | 工程吸气公司 | Method of forming layers of getter material on glass parts |
| DE102006025848A1 (en) * | 2006-03-29 | 2007-10-04 | Byk-Chemie Gmbh | Production of composite particles for use e.g. in coating materials, involves pulverising particle agglomerates in carrier gas in presence of organic matrix particles and dispersing the fine particles in the matrix particles |
| CN101100384A (en) * | 2007-07-20 | 2008-01-09 | 浙江大学 | Nanocomposite silicon carbide ceramics and preparation method thereof |
| CN103041746A (en) * | 2011-10-15 | 2013-04-17 | 四川汇利实业有限公司 | Stirring granulator with double granulation knives |
| CN104772104A (en) * | 2015-03-19 | 2015-07-15 | 中国工程物理研究院材料研究所 | Method for preparing fixed bed reactor filling material |
| CN108948849A (en) * | 2018-05-29 | 2018-12-07 | 成都新柯力化工科技有限公司 | It is a kind of for building the graphene masterbatch and preparation method of aging resistant coating |
Non-Patent Citations (2)
| Title |
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| 戴遐明: "《纳米陶瓷材料及其应用》", 30 June 2005, 国防工业出版社 * |
| 谢刚: "《冶金新材料》", 30 June 1997, 云南科学技术出版社 * |
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Application publication date: 20190730 |
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