CN106747592A - A kind of preparation method and applications of ceramic supporting body pug - Google Patents

A kind of preparation method and applications of ceramic supporting body pug Download PDF

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Publication number
CN106747592A
CN106747592A CN201611045140.6A CN201611045140A CN106747592A CN 106747592 A CN106747592 A CN 106747592A CN 201611045140 A CN201611045140 A CN 201611045140A CN 106747592 A CN106747592 A CN 106747592A
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China
Prior art keywords
supporting body
pug
preparation
ceramic supporting
ceramic
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CN201611045140.6A
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Inventor
朱月馨
杨占照
纪祖焕
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JIANGSU NINE HEAVEN HIGH-TECH Co Ltd
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JIANGSU NINE HEAVEN HIGH-TECH Co Ltd
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    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/063—Preparing or treating the raw materials individually or as batches
    • C04B38/0635—Compounding ingredients
    • C04B38/0645—Burnable, meltable, sublimable materials
    • C04B38/068—Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
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    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
    • B01D61/362—Pervaporation
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
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    • C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
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Abstract

The present invention relates to ceramic processing technique field, especially a kind of preparation method and applications of ceramic supporting body pug, preparation method is comprised the following steps：（1）Various powders, pore creating material, binding agent, plasticizer and lubricant needed for ceramic supporting body will be prepared sequentially add high-energy stirring paddle batch mixer, are well mixed, and obtain the little particle bulk raw materials of finely dispersed liquid parcel；（2）Bulk raw materials are delivered in kneader, it is quick kneaded and formed, obtain high-ductility pug；（3）Pug is prepared into base substrate and sintered prepared supporter by conventional shaping method；The powder and various additives that can will prepare ceramic supporting body by high-energy stirring paddle batch mixer are well mixed, and obtain the well dispersed little particle of liquid parcel, are then mediated by kneader, can within a short period of time form pug；Simultaneously because uniform parcel of the liquid to powder, it is not necessary to carry out old can obtain high plasticity pug for a long time again.

Description

A kind of preparation method and applications of ceramic supporting body pug
Technical field
The present invention relates to ceramic processing technique field, the especially a kind of preparation method of ceramic supporting body pug and its should With.
Background technology
Ceramic supporting body is widely used in all kinds of ceramic filtration membranes such as ultrafiltration, nanofiltration, counter-infiltration, infiltration evaporation, gas separation Prepare.The uniformity of ceramic supporting body structure has very important influence for ceramic film properties.Ceramic supporting body it is uniform Property by dispensing, shaping, dry and sinter each stage and influenceed, wherein uniformity of the uniformity of dispensing to supporting body structure There is very important influence.At present, to obtain more uniform pug, widely used method is when extending the mixing of powder Between, additive is configured to the addition of the methods such as suspension or gel, such method is only capable of alleviating batch mixing to a certain extent uneven Phenomenon.
High-energy stirring paddle has application the powder mixing field more, but it only focuses on scattered uniformity, for passing through The ceramic supporting body of pug processing and forming technology is prepared for industry, it is necessary to form plasticity pug higher.To obtain plasticity Pug, is generally mediated using kneader, but current single kneader process, and mud material forming needs the long period, while needing more long The old time.
The content of the invention
The purpose of the present invention is：Overcome deficiency of the prior art, there is provided it is a kind of be uniformly dispersed, rapid shaping ceramics branch The preparation method of support body pug, it is a further object to provide the application of ceramic supporting body pug.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of preparation method of ceramic supporting body pug, the preparation method is comprised the following steps：
（1）Various aggregates, pore creating material, binding agent, plasticizer and lubricant needed for ceramic supporting body will be prepared sequentially add height Paddle batch mixer can be stirred, is well mixed, obtain the little particle bulk raw materials of finely dispersed liquid parcel；
（2）Bulk raw materials are delivered in kneader, it is quick kneaded and formed, obtain high-ductility pug；
（3）Pug is prepared into base substrate and sintered prepared supporter by conventional shaping method.
Preferably, the agitator with shearing peptizaiton is installed in the high-energy stirring paddle batch mixer, it is described to stir It is the blade construction with curve form to mix oar.
Preferably, the high-energy stirring paddle batch mixer uses air-cooled or water-cooled as the type of cooling.
Preferably, when the high-energy stirring paddle batch mixer mixes, first powder material is mixed, incorporation time is 1- 30min。
Preferably, the incorporation time is 3-8min；Liquid charging stock is added to continue to mix afterwards, incorporation time is 5-10min.
Preferably, the kneading time is 1-30min.
Preferably, the kneading time is 3-10min.
Preferably, described conventional shaping method includes extrusion molding, compressing.
A kind of application of ceramic supporting body pug, the ceramic supporting body can be used for ultrafiltration, nanofiltration, counter-infiltration, infiltration vapour The preparation of all kinds of ceramic filtration membranes such as change, gas separation.
Beneficial effect using technical scheme is：
The powder and various additives that can will prepare ceramic supporting body by high-energy stirring paddle batch mixer are well mixed, and obtain liquid The well dispersed little particle of body parcel, is then mediated by kneader, can within a short period of time form pug.Simultaneously because liquid Uniform parcel of the body to powder, it is not necessary to carry out old can obtain high plasticity pug for a long time again.The inventive method technique Simply, the dispensing time is short, and the supporter of gained is applied to the preparation of all kinds of ceramic filtration membranes, applied widely.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the preparation method step of the ceramic supporting body pug in present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, preparation method of the invention is as follows,（1）Various aggregates, pore-creating needed for ceramic supporting body will be prepared Agent, binding agent, plasticizer and lubricant sequentially add high-energy stirring paddle batch mixer, are well mixed, and obtain finely dispersed liquid The little particle bulk raw materials of body parcel；
（2）Bulk raw materials are delivered in kneader, it is quick kneaded and formed, obtain high-ductility pug；
（3）Pug is prepared into base substrate and sintered prepared supporter by conventional shaping method.
Embodiment 1
1）By the α-Al that 5kg average pore sizes are 6 μm2O3Powder, the mullite fine powder that 5kg average pore sizes are 6 μm and 500g Activated carbon of the footpath less than 6 μm, 500g hydroxypropyl methyl celluloses are added in high-energy stirring paddle batch mixer, mix 5min；
2）1kg polyethylene glycol, 1kg glycerine are added in high-energy stirring paddle batch mixer, mix 5min；
3）By step 2）The compound for obtaining is delivered in kneader, mediates 5min, obtains pug；
4）By pug through vacuum pugging, extrusion molding and high temperature sintering, single tube ceramic supporting body is obtained.
Embodiment 2
1）Starch, 1kg polyvinyl alcohol by white alundum powder that 6kg average grain diameters are 15 μm, 450g particle diameters less than 3 μm are added to height Can stir in paddle batch mixer, mix 3min；
2）500g paraffin, 1kg tung oil are added in high-energy stirring paddle batch mixer, mix 8min；
3）By step 2）The compound for obtaining is delivered in kneader, mediates 6min, obtains pug；
4）By pug through vacuum pugging, extrusion molding and high temperature sintering, four-way ceramic supporting body is obtained.
Ceramic supporting body in embodiment 1-2 can be used for all kinds of ceramics such as ultrafiltration, nanofiltration, counter-infiltration, infiltration evaporation, gas separation The preparation of filter membrane.
Reference examples 1
Reference examples using traditional powder it is dry-mixed, mediate proportioning process.
1）By the α-Al that 5kg average pore sizes are 6 μm2O3Powder, the mullite fine powder that 5kg average pore sizes are 6 μm and 500g Activated carbon of the particle diameter less than 6 μm, 500g hydroxypropyl methyl celluloses are added in kneader, mix 90min；
2）While stirring to step 1）1kg polyethylene glycol, 1kg glycerine are added in the mixed powder for obtaining, 60min is mediated, it is old 12h is obtained pug；
3）By pug through vacuum pugging, extrusion molding and high temperature sintering, single tube ceramic supporting body is obtained.
Reference examples 2
Reference examples using traditional powder it is dry-mixed, mediate proportioning process.
1）By the starch of white alundum powder, 450g particle diameters less than 3 μm, the addition of 1kg polyvinyl alcohol that 6kg average grain diameters are 15 μm To in kneader, mix 100min；
2）While stirring to step 1）500g paraffin, 1kg tung oil are added in the mixed powder for obtaining, 40min, old 12h is mediated Pug is obtained；
3）By pug through vacuum pugging, extrusion molding and high temperature sintering, four-way ceramic supporting body is obtained.
Tables 1 and 2 list embodiment and reference examples respectively in the preparation between the cycle and prepared supporter intensity it is equal The contrast of even property.
The embodiment of table 1 is contrasted with the reference examples pug preparation time cycle
The supporter intensity homogeneity contrast that the embodiment of table 2 is prepared with reference examples pug（One 800mm supporter long is cut into 3 sections, its 3 rupture strengths are surveyed respectively）
As can be seen from the table, the dispensing time can be greatly reduced using way of example, while the pug of system is more uniform, is obtained Supporter overall intensity distribution it is homogeneous.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (9)

1. a kind of preparation method of ceramic supporting body pug, it is characterised in that the preparation method is comprised the following steps：
（1）Various aggregates, pore creating material, binding agent, plasticizer and lubricant needed for ceramic supporting body will be prepared sequentially add height Paddle batch mixer can be stirred, is well mixed, obtain the little particle bulk raw materials of finely dispersed liquid parcel；
（2）Bulk raw materials are delivered in kneader, it is quick kneaded and formed, obtain high-ductility pug；
（3）Pug is prepared into base substrate and sintered prepared supporter by conventional shaping method.
2. the preparation method of a kind of ceramic supporting body pug according to claim, it is characterised in that：The high-energy stirring Agitator with shearing peptizaiton is installed, the agitating paddle is the blade knot with curve form in paddle batch mixer Structure.
3. the preparation method of a kind of ceramic supporting body pug according to claim 1, it is characterised in that：The high-energy stirring Paddle batch mixer is using air-cooled or water-cooled as the type of cooling.
4. the preparation method of a kind of ceramic supporting body pug according to claim 1, it is characterised in that：The high-energy stirring When paddle batch mixer mixes, first powder material is mixed, incorporation time is 1-30min.
5. the preparation method of a kind of ceramic supporting body pug according to claim 4, it is characterised in that：The incorporation time It is 3-8min；Liquid charging stock is added to continue to mix afterwards, incorporation time is 5-10min.
6. the preparation method of a kind of ceramic supporting body pug according to claim 1, it is characterised in that：The kneading time It is 1-30min.
7. the preparation method of a kind of ceramic supporting body pug according to claim 1, it is characterised in that：The kneading time It is 3-10min.
8. the preparation method of a kind of ceramic supporting body pug according to claim 1, it is characterised in that：It is described it is conventional into Type method includes extrusion molding, compressing.
9. a kind of application of ceramic supporting body pug, it is characterised in that the ceramic supporting body can be used for ultrafiltration, nanofiltration, reverse osmosis Thoroughly, the preparation of all kinds of ceramic filtration membranes such as infiltration evaporation, gas separation.
CN201611045140.6A 2016-11-24 2016-11-24 A kind of preparation method and applications of ceramic supporting body pug Pending CN106747592A (en)

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CN108214865A (en) * 2018-03-27 2018-06-29 深圳中清环境科技有限公司 Hollow ceramic flat membranes supporter automatic production line and method
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Application publication date: 20170531