CN104016708A - Preparation method of high rupture strength ceramic tube support body - Google Patents
Preparation method of high rupture strength ceramic tube support body Download PDFInfo
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- CN104016708A CN104016708A CN201410234751.XA CN201410234751A CN104016708A CN 104016708 A CN104016708 A CN 104016708A CN 201410234751 A CN201410234751 A CN 201410234751A CN 104016708 A CN104016708 A CN 104016708A
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Abstract
The invention discloses a preparation method of a high rupture strength ceramic tube support body, and the preparation method specifically comprises the following steps: step 1, weighing raw materials and mixing, weighing an aggregate, a pore forming agent and a sintering additive according to the formula, mixing to obtain powder; step 2, preparing a mud material; step 3, ageing, to be more specific, ageing the mud material obtained in the step 2; step 4, molding, to be more specific, molding the mud material aged in the step 3 into a blank in a certain shape; and step 5, sintering, to be more specific, putting the blank obtained in the step 4 into sintering equipment for sintering to obtain the high rupture strength ceramic tube support body. The preparation method of the high rupture strength ceramic tube support body can reduce the sintering temperature of the support body through the addition of the sintering additive, and improves the rupture strength of the ceramic tube support body.
Description
Technical field
The invention belongs to porous material preparing technical field, be specifically related to a kind of preparation method of high breaking strength vitrified pipe supporter.
Background technology
Although existing inorganic thin film preparation method is comparatively various, kind is also abundanter, and itself fragility is larger, is difficult to bear separately the pressure applying thereon in application process, must depend on certain carrier and can realize its application.Ceramic supporting body grows up under this envrionment conditions, in application process, processing the requirement of the water yield, to apply pressure thereon generally all larger, can reach tens MPas, therefore require ceramic supporting body to there is higher physical strength, for Tubular Ceramic Substrate, it must possess enough folding strengths.
It is high-purity Al of 30～40 μ m that current commercial ceramic film support adopts median size more
2o
3, higher than 1700 DEG C of sintering, to obtain the supporter that high strength and hypertonicity can be mutually unified.And too high sintering temperature is the one of the main reasons that causes current ceramic supporting body expensive.
In existing method, the research of the folding strength to raising Tubular Ceramic Substrate is less, and theory is also immature; To reducing fine and close Al
2o
3the main method of ceramic sintering temperature is the Al with nanoscale
2o
3for aggregate, interpolation can with Al
2o
3form the material of sosoloid (as TiO
2deng) and add can with Al
2o
3form the material (as kaolin and quartz etc.) of liquid phase.Because liquid phase sintering mechanism can significantly reduce Al
2o
3sintering temperature, and liquid content is higher, Al
2o
3the densification rate of sintering is also faster, and this is paid attention to the method for utilizing additive at high temperature to form liquid phase accelerating oxidation aluminum sinter.
Summary of the invention
The object of this invention is to provide the preparation method of high breaking strength vitrified pipe supporter, reduce the sintering temperature of supporter by adding sintering aid, and improve its folding strength.
The technical solution adopted in the present invention is, a kind of preparation method of high breaking strength vitrified pipe supporter specifically implements according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder;
Step 2, prepares pug;
Step 3, ageing, carries out ageing by the pug obtaining in step 2;
Step 4, moulding, makes the pug after ageing in step 3 biscuit of definite shape;
Step 5, sintering, puts into agglomerating plant by the biscuit of making in step 4 and carries out sintering, obtains high breaking strength vitrified pipe supporter.
Feature of the present invention is also,
Wherein, step 1 is specifically implemented according to following steps:
Step 1.1, takes raw material according to following formula:
Aggregate 90.5-92%, pore former 3%～4%, all the other are sintering aid, the content sum of three kinds of components is 100%;
Aggregate is aluminium sesquioxide;
Pore former is carboxymethyl cellulose or polyvinyl alcohol;
Sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:1.5～2:3～5;
Step 1.2, mixes the various raw materials that take in step 1.1, obtains powder.
Wherein, the particle diameter of aggregate, pore former and sintering aid is 30～40 μ m.
Wherein, step 2 is specifically implemented according to following steps:
Step 2.1, mixes the powder mixing in step 1 with distilled water, and the mass ratio of powder and distilled water is 20:9～10;
Step 2.2, stirs 50-70 minute by the mixture in step 2.1 with accurate reinforcement electric mixer, and the speed of stirring is 1000-1500 rev/min;
Step 2.3, is placed in heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 35-45 minute by the product of step 2.2, makes the water ratio of mixture reach 25～28%.
Wherein, the concrete grammar of step 3 is: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 20～24 hours.
Wherein, specifically implementing according to following steps of step 4:
Step 4.1, takes out 25～26g by pug after step 3 ageing, and it is on 6～8mm, the length wooden large knitting needle that is 17～19cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform;
Step 4.2, the wooden large knitting needle in the right cylinder pug base that step 4.1 is obtained is extracted out, makes tubulose pug base;
Step 4.3, is placed in biochemical cultivation case dry 48-50h at 20～22 DEG C by the tubulose pug base in step 4.2, obtains tubular type biscuit of ceramics.
Wherein, the concrete steps of step 5 are:
Step 5.1, the tubular type biscuit of ceramics that step 4.3 is obtained is placed in retort furnace sintering under certain sintering schedule;
Step 5.2, the product that sintering is completed naturally cools to room temperature, obtains ceramic pipe type supporter.
Wherein, sintering schedule is, is warming up to 1100～1200 DEG C with the temperature rise rate of 2～5 DEG C/min, and sintering time is 6～10h.
The invention has the beneficial effects as follows, the present invention is at CuO+TiO
2basis on add Zn, and by the improvement of the steps such as ageing, moulding, sintering, make present method in the time preparing Tubular Ceramic Substrate, not only reduced the sintering temperature of Tubular Ceramic Substrate, and greatly improved its folding strength.
Brief description of the drawings
Fig. 1 be the preparation method of high breaking strength vitrified pipe supporter of the present invention prepare the scanning electron microscope (SEM) photograph of ceramic support surface;
Fig. 2 be the preparation method of high breaking strength vitrified pipe supporter of the present invention prepare the X-ray diffractogram of ceramic supporting body.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The preparation method of a kind of high breaking strength vitrified pipe of the present invention supporter, specifically implements according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder;
Step 1.1, takes raw material according to following formula:
Aggregate 90.5-92%, pore former 3%～4%, all the other are sintering aid, the content sum of three kinds of components is 100%;
Aggregate is aluminium sesquioxide;
Pore former is carboxymethyl cellulose or polyvinyl alcohol;
Sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:1.5～2:3～5.The particle diameter of aggregate, pore former and sintering aid is 30～40 μ m.
Step 1.2, mixes the various raw materials that take in step 1.1, obtains powder.
Step 2, prepares pug;
Step 2.1, mixes the powder mixing in step 1 with distilled water, and the mass ratio of powder and distilled water is 20:9～10;
Step 2.2, stirs 50-70 minute by the mixture in step 2.1 with accurate reinforcement electric mixer, and the speed of stirring is 1000-1500 rev/min
Step 2.3, is placed in heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 35-45 minute by the product of step 2.2, makes the water ratio of mixture reach 25～28%.
Step 3, ageing, carries out ageing by the pug obtaining in step 2;
Concrete grammar is: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 20～24 hours.
Step 4, moulding, makes the pug after ageing in step 3 biscuit of definite shape;
Step 4.1, takes out 25-26g by pug after step 3 ageing, and it is on 6～8mm, the length wooden large knitting needle that is 17～19cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform;
Step 4.2, the wooden large knitting needle in the right cylinder pug base that step 4.1 is obtained is extracted out, makes tubular type pug base;
Step 4.3, is placed in biochemical cultivation case dry 48-50h at 20-22 DEG C by the tubulose pug base in step 4.2, obtains tubular type biscuit of ceramics.
Step 5, sintering, puts into agglomerating plant by the biscuit of making in step 4 and carries out sintering, obtains high breaking strength vitrified pipe supporter.
Step 5.1, the tubular type biscuit of ceramics that step 4.3 is obtained is placed in retort furnace sintering under certain sintering schedule.
Step 5.2, the product that sintering is completed naturally cools to room temperature, obtains ceramic pipe type supporter.
Sintering schedule is, is warming up to 1100～1200 DEG C with the temperature rise rate of 2～5 DEG C/min, and sintering time is 6～10h.
Fig. 1 is scanning electron microscope (SEM) photograph and the X-ray diffractogram that interpolation CuO+TiO2+Zn content is respectively 1.5g, 3g, 1g, add TiO2 1100 DEG C burn till after, make the microtexture smooth surface of supporter, this is because generated Al2TiO5, make particle diameter become large, accelerated sintering; Add CuO, Zn and make sample with liquid phase humidification acceleration of sintering, generated aluminum oxide and closed copper, titanium copper and cupric oxide, so the microtexture of supporter is permitted great convex shape.
Fig. 2 is the X-ray diffractogram that interpolation CuO+TiO2+Zn content is respectively 1.5g, 3g, 1g supporter.As can be seen from the figure, 1100 DEG C burn till after, through XRD diffraction, the composition of supporter main phase is corundum phase (Al
2o
3), anatase octahedrite (Titanium Oxide), aluminum oxide close copper (Copper Aluminum Oxide), Al
2tiO
5, titanium copper (Copper Titanium), cupric oxide (Copper Oxide).Burn till corundum phase, Al that rear support body contains stable crystal form
2tiO
5, cupric oxide etc., the physical strength of supporter is improved.
Original is added CuO-TiO
2rear physical strength is 55.82MPa, and in preparation method of the present invention, adds CuO-TiO
2after-Zn, physical strength is 78.76MPa.
The preparation method of the Tubular Ceramic Substrate of a kind of high breaking strength of the present invention, feature and the effect of its each step are:
(1) selection of raw material, the sintering aid that this experiment is selected is CuO-TiO
2-Zn, is using CuO-TiO
2in-Zn composite assistant Low-Temperature Sintered Alumina Ceramics process, because CuO and TiO
2can not react, be mainly liquid phase sintering and the TiO producing with CuO
2solid state sintering completes the densification of alumina-ceramic, and the fusing point of zinc is lower, 419.5 DEG C, also can be generation liquid phase early promote the sintering of supporter.
(2) object of ageing, impels water distribution even, and this not only can improve the processability of raw material, and can improve the drying property of raw material, improves finished product quality.When ageing, should make every effort to sealing, not open wide.Can make the evaporation of agglomerate epidermis moisture if opened wide, cause inside and outside moisture inhomogeneous.
(3) biscuit after moulding is to be put in biochemical cultivation case, dry 48-50h; Determine that rational drying system is to contribute to shorten the production cycle, such as dry etc. under certain temperature and humidity, such drying system contributes to further sintering.
(4) will be through oversintering so that base substrate has enough physical strengths after blank forming, at high temperature, in base substrate, powder particle release surface can form crystal boundary, due to effect of mass transmitting such as diffusion, evaporation, cohesions, generation crystal boundary moves the minimizing with crystal boundary, and the eliminating of pore between particle, thereby cause small-particle to reduce, in this process, base substrate will there will be contraction.Because many particles are grown up simultaneously, the multiple Polygons polymers of inevitable mutual tightly packed one-tenth after certain hour, the weave construction of formation porcelain base.Consider the contradiction between intensity and porosity, the pore size etc. of matrix, suitable dry and sintering schedule can avoid base substrate to occur the even phenomenon of fracture of crackle, landslide.
Embodiment 1
Prepare a kind of Tubular Ceramic Substrate of high breaking strength, specifically implement according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder; Concrete steps are:
First, take raw material according to following formula:
Aggregate 90.5%, pore former 3%, all the other are sintering aid, the content sum of three kinds of components is 100%; Aggregate is aluminium sesquioxide; Pore former is carboxymethyl cellulose or polyvinyl alcohol; Sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:1.5:3.The particle diameter of aggregate, pore former and sintering aid is 30～40 μ m.The various raw materials that take in above step are mixed, obtain powder.
Step 2, prepares pug: first the powder mixing in step 1 is mixed with distilled water, and the mass ratio of powder and distilled water is 20:9; Mixture is stirred 50 minutes with accurate reinforcement electric mixer, the speed of stirring is 1000 revs/min again.Then the product of step 2.2 is placed in to heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 35 minutes, makes the water ratio of mixture reach 25%.
Step 3, ageing: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 20 hours.
Step 4, moulding: first, pug after step 3 ageing is taken out to 25g, it is on 6mm, the length wooden large knitting needle that is 17cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform; Then, the wooden large knitting needle in the right cylinder pug base obtaining is extracted out, made tubulose pug base; Finally again tubulose pug base is placed in to biochemical cultivation case dry 48h at 20 DEG C, obtains tubular type biscuit of ceramics.
Step 5, sintering, the tubular type biscuit of ceramics that step 4.3 is obtained is placed in retort furnace sintering under certain sintering schedule.Then product sintering being completed naturally cools to room temperature, obtains ceramic pipe type supporter.Wherein, sintering schedule is, is warming up to 1100 DEG C with the temperature rise rate of 2 DEG C/min, and sintering time is 6h.
Embodiment 2
Prepare a kind of Tubular Ceramic Substrate of high breaking strength, specifically implement according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder; Concrete steps are:
First, take raw material according to following formula:
Aggregate 92%, pore former 4%, all the other are sintering aid, the content sum of three kinds of components is 100%; Aggregate is aluminium sesquioxide; Pore former is carboxymethyl cellulose or polyvinyl alcohol; Sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:2:5.The particle diameter of aggregate, pore former and sintering aid is 30～40 μ m.The various raw materials that take in above step are mixed, obtain powder.
Step 2, prepares pug: first the powder mixing in step 1 is mixed with distilled water, and the mass ratio of powder and distilled water is 20:10; Mixture is stirred 70 minutes with accurate reinforcement electric mixer, the speed of stirring is 1500 revs/min again.Then product is placed in to heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 40 minutes, makes the water ratio of mixture reach 28%.
Step 3, ageing: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 24 hours.
Step 4, moulding: first, pug after step 3 ageing is taken out to 26g, it is on 8mm, the length wooden large knitting needle that is 19cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform; Then, the wooden large knitting needle in the right cylinder pug base obtaining is extracted out, made tubulose pug base; Finally again tubulose pug base is placed in to biochemical cultivation case dry 50h at 22 DEG C, obtains tubular type biscuit of ceramics.
Step 5, sintering, is placed in retort furnace sintering under certain sintering schedule by the tubular type biscuit of ceramics obtaining in step 4.Then product sintering being completed naturally cools to room temperature, obtains ceramic pipe type supporter.Wherein, sintering schedule is, is warming up to 1200 DEG C with the temperature rise rate of 5 DEG C/min, and sintering time is 10h.
Embodiment 3
Prepare a kind of Tubular Ceramic Substrate of high breaking strength, specifically implement according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder; Concrete steps are:
First, take raw material according to following formula:
Aggregate 91%, pore former 3.5%, all the other are sintering aid, the content sum of three kinds of components is 100%; Aggregate is aluminium sesquioxide; Pore former is carboxymethyl cellulose or polyvinyl alcohol; Sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:1.8:4.The particle diameter of aggregate, pore former and sintering aid is 30～40 μ m.The various raw materials that take in above step are mixed, obtain powder.
Step 2, prepares pug: first the powder mixing in step 1 is mixed with distilled water, and the mass ratio of powder and distilled water is 20:9.5; The mixture in step 2.1 is stirred 60 minutes with accurate reinforcement electric mixer, the speed of stirring is 1200 revs/min again.Then product is placed in to heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 40 minutes, makes the water ratio of mixture reach 26%.
Step 3, ageing: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 22 hours.
Step 4, moulding: first, pug after step 3 ageing is taken out to 25.5g, it is on 7mm, the length wooden large knitting needle that is 18cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform; Then, the wooden large knitting needle in the right cylinder pug base obtaining is extracted out, made tubulose pug base; Finally again tubulose pug base is placed in to biochemical cultivation case dry 49h at 21 DEG C, obtains tubular type biscuit of ceramics.
Step 5, sintering, the tubular type biscuit of ceramics that step 4.3 is obtained is placed in retort furnace sintering under certain sintering schedule.Then product sintering being completed naturally cools to room temperature, obtains ceramic pipe type supporter.Wherein, sintering schedule is, is warming up to 1150 DEG C with the temperature rise rate of 3 DEG C/min, and sintering time is 8h.
Embodiment 4
Prepare a kind of Tubular Ceramic Substrate of high breaking strength, specifically implement according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder; Concrete steps are:
First, take raw material according to following formula:
Aggregate 91.5%, pore former 4%, all the other are sintering aid, the content sum of three kinds of components is 100%; Aggregate is aluminium sesquioxide; Pore former is carboxymethyl cellulose or polyvinyl alcohol; Sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:1.5:4.The particle diameter of aggregate, pore former and sintering aid is 30～40 μ m.The various raw materials that take in above step are mixed, obtain powder.
Step 2, prepares pug: first the powder mixing in step 1 is mixed with distilled water, and the mass ratio of powder and distilled water is 20:9～10; The mixture in step 2.1 is stirred 50 minutes with accurate reinforcement electric mixer, the speed of stirring is 1500 revs/min again.Then product is placed in to heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 40 minutes, makes the water ratio of mixture reach 27%.
Step 3, ageing: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 23 hours.
Step 4, moulding: first, pug after step 3 ageing is taken out to 26g, it is on 6mm, the length wooden large knitting needle that is 19cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform; Then, the wooden large knitting needle in the right cylinder pug base that step 4.1 is obtained is extracted out, makes tubular type pug base; The last biochemical cultivation case dry 49h at 22 DEG C that again the tubulose pug base in step 4.2 is placed in, obtains tubular type biscuit of ceramics.
Step 5, sintering, the tubular type biscuit of ceramics that step 4.3 is obtained is placed in retort furnace sintering under certain sintering schedule.Then product sintering being completed naturally cools to room temperature, obtains ceramic pipe type supporter.Wherein, sintering schedule is, is warming up to 1100 DEG C with the temperature rise rate of 4 DEG C/min, and sintering time is 8h.
Embodiment 5
Prepare a kind of Tubular Ceramic Substrate of high breaking strength, specifically implement according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder; Concrete steps are:
First, take raw material according to following formula:
Aggregate 92%, pore former 4%, all the other are sintering aid, the content sum of three kinds of components is 100%; Aggregate is aluminium sesquioxide; Pore former is carboxymethyl cellulose or polyvinyl alcohol; Sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:2:5.The particle diameter of aggregate, pore former and sintering aid is 30～40 μ m.The various raw materials that take in above step are mixed, obtain powder.
Step 2, prepares pug: first the powder mixing in step 1 is mixed with distilled water, and the mass ratio of powder and distilled water is 20:9; Again mixture is stirred to 50-70 minute with accurate reinforcement electric mixer, the speed of stirring is 1500 revs/min.Then the product of step 2.2 is placed in to heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 42 minutes, makes the water ratio of mixture reach 26%.
Step 3, ageing: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 22 hours.
Step 4, moulding: first, pug after step 3 ageing is taken out to 26g, it is on 8mm, the length wooden large knitting needle that is 19cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform; Then, the wooden large knitting needle in the right cylinder pug base that step 4.1 is obtained is extracted out, makes tubular type pug base; The last biochemical cultivation case dry 48h at 20 DEG C that again the tubulose pug base in step 4.2 is placed in, obtains tubular type biscuit of ceramics.
Step 5, sintering, the tubular type biscuit of ceramics that step 4 is obtained is placed in retort furnace sintering under certain sintering schedule.Then product sintering being completed naturally cools to room temperature, obtains ceramic pipe type supporter.Wherein, sintering schedule is, is warming up to 1200 DEG C with the temperature rise rate of 5 DEG C/min, and sintering time is 10h.
The performance perameter of the prepared Tubular Ceramic Substrate of above-mentioned 5 embodiment is as shown in table 1:
The performance perameter of table 1 Tubular Ceramic Substrate
As can be seen from the above table, utilize the properties of Tubular Ceramic Substrate prepared by present method good, and the sintering temperature of method of the present invention is 1100～1200 DEG C, when having reduced sintering temperature, improved its folding strength.
Porosity refers to the ratio of the cumulative volume of the slight void in porous medium and the cumulative volume of this porous medium. effective porosity refers to the ratio of the cumulative volume of the slight void being interconnected in porous medium and the appearance volume of this porous medium;
Pure water flux is an important film properties parameter, is the reflection directly perceived of membrane permeation performance.
The chemical stability of porous ceramics mainly refers to its acid-alkali-resistant degree, and the quality of acid-proof alkaline is to decide according to porous ceramics sample size of loss of strength rate and rate of weight loss after acid, alkaline media corrosion.
| Test sample | Folding strength | Porosity | Pure water flux | Acid and alkali corrosion rate |
| ? | (MPa) | (％) | (L/m 2.h.MPa) | (％) |
| Contrast sample | 55.82 | 22 | 2580 | 1.17/0.68 |
| Present method | 78.76 | 26 | 1845.45 | 1.27/0.88 |
In general, when folding strength improves, porosity and pure water flux are to have a declining tendency, but adding after metallic zinc, the folding strength of supporter and porosity all have rising, and this is because the liquid phase that zinc forms has been filled supporter inside, the cause that hole is increased and diminish.
Claims (8)
1. a preparation method for high breaking strength vitrified pipe supporter, is characterized in that, specifically implements according to following steps:
Step 1, takes raw material and mixes, and takes aggregate, pore former and sintering aid, and mix according to formula, obtains powder;
Step 2, prepares pug;
Step 3, ageing, carries out ageing by the pug obtaining in step 2;
Step 4, moulding, makes the pug after ageing in step 3 biscuit of definite shape;
Step 5, sintering, puts into agglomerating plant by the biscuit of making in step 4 and carries out sintering, obtains high breaking strength vitrified pipe supporter.
2. the preparation method of high breaking strength vitrified pipe supporter according to claim 1, is characterized in that, described step 1 is specifically implemented according to following steps:
Step 1.1, takes raw material according to following formula:
Aggregate 90.5-92%, pore former 3%～4%, all the other are sintering aid, the content sum of three kinds of components is 100%;
Described aggregate is aluminium sesquioxide;
Described pore former is carboxymethyl cellulose or polyvinyl alcohol;
Described sintering aid is the mixture of zinc powder, cupric oxide and titanium oxide, and three's ratio is 1:1.5～2:3～5;
Step 1.2, mixes the various raw materials that take in step 1.1, obtains powder.
3. the preparation method of high breaking strength vitrified pipe supporter according to claim 2, is characterized in that, the particle diameter of described aggregate, pore former and sintering aid is 30～40 μ m.
4. the preparation method of high breaking strength vitrified pipe supporter according to claim 1, is characterized in that, described step 2 is specifically implemented according to following steps:
Step 2.1, mixes the powder mixing in step 1 with distilled water, and the mass ratio of powder and distilled water is 20:9～10;
Step 2.2, stirs 50-70 minute by the mixture in step 2.1 with accurate reinforcement electric mixer, and the speed of stirring is 1000-1500 rev/min;
Step 2.3, is placed in heat collecting type constant-temperature heating magnetic stirring apparatus heated and stirred 35-45 minute by the product of step 2.2, makes the water ratio of mixture reach 25～28%.
5. the preparation method of high breaking strength vitrified pipe supporter according to claim 1, it is characterized in that, the concrete grammar of described step 3 is: the uniform pug preparation obtaining in step 2 is become to uniform bulk and be placed in container, with preservative film sealing, ageing 20～24 hours.
6. the preparation method of high breaking strength vitrified pipe supporter according to claim 1, is characterized in that, specifically the implementing according to following steps of described step 4:
Step 4.1, takes out 25～26g by pug after step 3 ageing, and it is on 6～8mm, the length wooden large knitting needle that is 17～19cm that pug is rolled in to diameter uniformly, then by the mode of roll forming, becomes the right cylinder pug base of surface uniform;
Step 4.2, the wooden large knitting needle in the right cylinder pug base that step 4.1 is obtained is extracted out, makes tubulose pug base;
Step 4.3, is placed in biochemical cultivation case dry 48-50h at 20～22 DEG C by the tubulose pug base in step 4.2, obtains tubular type biscuit of ceramics.
7. the preparation method of high breaking strength vitrified pipe supporter according to claim 1, is characterized in that, the concrete steps of described step 5 are:
Step 5.1, the tubular type biscuit of ceramics that step 4.3 is obtained is placed in retort furnace sintering under certain sintering schedule;
Step 5.2, the product that sintering is completed naturally cools to room temperature, obtains ceramic pipe type supporter.
8. the preparation method of high breaking strength vitrified pipe supporter according to claim 7, is characterized in that, described sintering schedule is, is warming up to 1100～1200 DEG C with the temperature rise rate of 2～5 DEG C/min, and sintering time is 6～10h.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624759A (en) * | 2015-12-30 | 2016-06-01 | 苏州容电储能科技有限公司 | Ceramic membrane with capillary structure and super dehumidifying and wetting performance and preparation method thereof |
| CN110386807A (en) * | 2019-07-23 | 2019-10-29 | 西安工程大学 | A kind of inorganic ceramic film support and preparation method thereof of big flux high intensity |
| CN110550935A (en) * | 2019-08-27 | 2019-12-10 | 西安工程大学 | low-temperature fired porous ceramic tube matrix and preparation method thereof |
| CN113213895A (en) * | 2021-06-08 | 2021-08-06 | 宜兴市兴洲特种陶瓷厂(普通合伙) | Novel electric heating high-temperature-resistant ceramic tube and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653474A (en) * | 2012-04-09 | 2012-09-05 | 南京工业大学 | Method for preparing high-porosity porous ceramic membrane support |
| CN102671550A (en) * | 2012-06-01 | 2012-09-19 | 清华大学 | Ceramic membrane tube support and preparation method thereof |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653474A (en) * | 2012-04-09 | 2012-09-05 | 南京工业大学 | Method for preparing high-porosity porous ceramic membrane support |
| CN102671550A (en) * | 2012-06-01 | 2012-09-19 | 清华大学 | Ceramic membrane tube support and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 同帜 等: ""烧成制度对多孔氧化铝陶瓷膜支撑体性能的影响"", 《硅酸盐通报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624759A (en) * | 2015-12-30 | 2016-06-01 | 苏州容电储能科技有限公司 | Ceramic membrane with capillary structure and super dehumidifying and wetting performance and preparation method thereof |
| CN105624759B (en) * | 2015-12-30 | 2018-02-16 | 苏州容电储能科技有限公司 | Ceramic membrane with capillary structure and super dehumidifier wetting property and preparation method thereof |
| CN110386807A (en) * | 2019-07-23 | 2019-10-29 | 西安工程大学 | A kind of inorganic ceramic film support and preparation method thereof of big flux high intensity |
| CN110550935A (en) * | 2019-08-27 | 2019-12-10 | 西安工程大学 | low-temperature fired porous ceramic tube matrix and preparation method thereof |
| CN113213895A (en) * | 2021-06-08 | 2021-08-06 | 宜兴市兴洲特种陶瓷厂(普通合伙) | Novel electric heating high-temperature-resistant ceramic tube and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN104016708B (en) | 2016-01-20 |
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