CN106565258A - Winding preparation method of high-porosity porous ceramic pipe - Google Patents
Winding preparation method of high-porosity porous ceramic pipe Download PDFInfo
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- CN106565258A CN106565258A CN201610872495.6A CN201610872495A CN106565258A CN 106565258 A CN106565258 A CN 106565258A CN 201610872495 A CN201610872495 A CN 201610872495A CN 106565258 A CN106565258 A CN 106565258A
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- C04B35/803—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/42—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces
- B28B21/48—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces by wrapping, e.g. winding
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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
- C04B35/01—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
- C04B35/16—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
- 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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- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/608—Green bodies or pre-forms with well-defined density
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/612—Machining
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/94—Products characterised by their shape
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
Abstract
The invention relates to a winding preparation method of a high-porosity porous ceramic pipe. The winding preparation method comprises: adding aluminum silicate polycrystalline fiber, a binder and the like into water to prepare a slurry, and preparing a paper-like fiber film having fibers extending in a two-dimensional direction by using a papermaking molding method; uniformly coating the slurry prepared from the chopped aluminum silicate polycrystalline fiber, the aluminum silicate ceramic fine powder and the binder on the surface of the fiber film; winding under a certain external force to form a pipe billet having a predetermined size and a predetermined bulk density; and finally carrying out low temperature drying and high temperature firing to prepare the porous ceramic pipe. According to the present invention, the porous ceramic pipe has high porosity, and has low filtration pressure drop during solid-liquid separation or solid-gas separation; and the ordered arrangement of the fibers and the granular crystal is achieved by using the multi-layer winding method, and the fibers and the crystal are connected to form the grid structure through the firing, such that the material has the high porosity and the low filtration pressure drop, and further has good mechanical property and good economy.
Description
Technical field
The present invention relates to a kind of winding preparation method of high porosity porous ceramics pipe, is mainly used in solid-liquid and solid and gas is separated
It is prepared by ceramic membrane product.
Background technology
Because ceramic material has the performances such as corrosion-resistant, high temperature resistant, therefore porous ceramics membrane tube is disliked in some working conditions
It is used widely in bad environment, is mainly used in separation of solid and liquid or solid and gas is separated.Traditional porous ceramic film carborundum, nitrogen
The ceramic powders such as SiClx, mullite, cordierite are made, and its hole comes from the intergranular gap formed during particle packing, therefore
This kind of porous ceramic pipe porosity than relatively low（Typically≤40%）, resistance when fluid passes through is higher, is not suitable in low-pressure
Or the application under high flux.
In order to reduce filtering pressure drop, people have invented the new ceramic-film tube of a class.It is, with ceramic fibre as raw material, to adopt
The method shaping such as compacting, braiding or suction filtration, through high temperature ceramic fibre membrane tube is fired into.This ceramic fibre membrane tube have compared with
High porosity, resistance when fluid passes through is relatively low, the application being adapted under low-pressure or high flux.But its problem for existing
It is obvious that on the one hand its intensity is relatively low, there is larger compressive deformation, extra support is needed when in use, on the other hand its opposing
The ability that solid particulate matter washes away is weaker, is not suitable for high flux long-time and uses, and its application is very restricted.
The content of the invention
To realize the object of the invention, there is provided a kind of winding preparation method of high porosity porous ceramics pipe, it adopts many
Layer winding method prepares porous ceramic pipe, on the one hand using Wrapping formed fiber in product can be made to realize that ordering is arranged, fully
The mechanical strength of porous ceramic pipe is improved the characteristics of high using fiber bundle strength, on the other hand due to aluminum silicate ceramic particle
It is uniformly distributed and formed between the fibers contact of the particle with plurality of fibers, by burning till alumina silicate polycrystalline fibre and ceramic particle is made
Interconnected formation network structure, so as to improve the mechanical strength of material.
To realize the object of the invention, there is provided technical scheme below：It is prepared by a kind of winding of high porosity porous ceramics pipe
Method, it is characterised in that comprise the steps of：
（1）Prepare fiber membrane counterdie：By the mixing of the alumina silicate polycrystalline fibre of shot content ＜ 5%, binding agent, dispersant and water
A water paste is uniformly made into, by a water paste uniformly through 20 ~ 80 mesh stainless steel mesh, alumina silicate polycrystalline fibre is made
It is evenly laid out to be formed in the alumina silicate polycrystalline fibre film of two-dimensional directional stretching, extension in screen surface, by controlling screen cloth unit plane
The slurry quantity that product passes through makes film thickness in 0.5 ~ 2.5mm, film is taken off from screen cloth and is flattened, and is subsequently placed in 50 ~ 80
DEG C environment in dry 0.5-6.0h make fiber membrane counterdie；
（2）Prepare fiber membrane coating：Chopped alumina silicate polycrystalline fibre, aluminum silicate ceramic fine powder, binding agent, dispersant are taken, plus
Enter in container and stir, and under vacuum conditions stir 10 ~ 30min to exclude slurry in bubble, make No. two it is aqueous
Slurry；
（3）Prepare fiber membrane：Water paste is coated uniformly on into fiber membrane counterdie surface, coating layer thickness control 0.1 ~
0.5mm；
（4）Prepare high porosity porous ceramics pipe：Fiber membrane prepares tubing green compact using multi-lay winding method, and tubing green compact are put
6-12h is dried in 80 ~ 120 DEG C of drying oven, is subsequently placed in ceramic kiln slow with 0.5-2.0 DEG C/min programming rates
It is warmed up to maximum sintering temperature（Between 1300 ~ 1400 DEG C）, 1 ~ 4h is incubated, finally cooling obtains high porosity porous ceramics
Pipe.
The component of a number water paste is by percentage to the quality：The 0.5% ~ 2.0% of alumina silicate polycrystalline fibre, binder content
For 10% ~ 20%, dispersant is 0% ~ 0.5%, and remaining is water.
The component of No. two water pastes is by percentage to the quality：Chopped alumina silicate polycrystalline fibre 35 ~ 45%, aluminum silicate ceramic
Fine powder is 5% ~ 15%, binding agent 1.0% ~ 5.0%, dispersant 0%-0.5%, water 45% ~ 55%.
Preferably, No. one, the binding agent of the water paste of No. two be polyvinyl alcohol, sodium carboxymethylcellulose, waterglass,
One kind or combination in Ludox, Alumina gel, polyvinylchloride latex, propyl benzene rubber.
Preferably, No. one, the dispersant of the water paste of No. two be ammonium polyacrylate, Triammonium citrate or poly- methyl-prop
Olefin(e) acid amine.
Preferably, fibre length >=the 10mm of alumina silicate polycrystalline fibre, the fibre length of the alumina silicate polycrystalline fibre that is chopped
≤ 1.0mm, aluminum silicate ceramic fine powder average grain diameter is at 10-100 μm.
Preferably, multi-lay winding method includes roller conveyer belt, roller top in roller conveyer belt one end is provided with reel,
Roller conveyer belt top arranges scraper, is wound by reel winding, and scraper and conveyer belt control coating layer thickness 0.1 ~
0.5mm；The pressure that reel applies during winding is 0.5-5.0KN/m.
Preferably, tubing green volume density is 0.6 ~ 1.5 g/cm3, 20 ~ 80mm of internal diameter, 40 ~ 100mm of external diameter, wall
10 ~ 20mm of thickness.
Beneficial effect of the present invention：The porous ceramic pipe prepared using multi-lay winding method realizes having for fiber and bulk crystalline
Sequenceization is arranged and contacted with each other, and makes fiber and crystal link to form network structure by burning till, and causes porous ceramic pipe in tool
During standby good mechanical performance, with high porosity and low filtration pressure drop.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Embodiment 1：
The preparation method of described high porosity porous ceramics pipe, comprises the steps of：
The preparation of a, suspension：By deionized water, 85 parts are put into agitator, start stirring, weigh successively 0.3 part of ammonium polyacrylate,
Fibre length >=2 parts of 40mm alumina silicate polycrystalline fibre, 3 parts of 10%PVA solution, 10 parts of Ludox, and be separated by 1.0min and add successively
Enter, be well mixed, make pulp suspension；
B, fiber membrane shaping：By the first water paste uniformly through 30 mesh stainless steel mesh, make alumina silicate polycrystalline fibre uniform
Screen surface is laid in, the alumina silicate polycrystalline fibre film of two-dimensional directional stretching, extension is formed in.Take off from screen cloth film be placed on it is flat
Flattened with reel on plate, obtain the film of thickness 2.3mm, and be placed in the environment of 50 DEG C of room temperature and dry 5h；
The preparation of c, binding material：By deionized water, 45 parts are put into agitator, start stirring, weigh successively 0.3 part of ammonium polyacrylate,
The alumina silicate of length≤0.5mm be chopped 44 parts of alumina silicate polycrystalline fibre, 6 parts of the mesh aluminum silicate ceramic fine powder of average grain diameter 200,10%
3 parts of PVA solution, 1.5 parts of Ludox, and be separated by 1.0min and sequentially add, 30min is stirred under vacuum conditions to exclude slurry
In bubble, be well mixed, be configured to water paste；
The preparation of d, tack coat：According to technique shown in Fig. 1, multi-lay winding method includes roller conveyer belt, the rolling of roller conveyer belt one end
Wheel top is provided with reel, and roller conveyer belt top arranges scraper, is wound by reel winding, and the second water paste passes through
Scraper and the control of conveyer belt, are coated uniformly on alumina silicate polycrystalline fibre film counterdie surface, and coating layer thickness is 0.15mm；
E, porous ceramic pipe shaping：According to technique shown in Fig. 1, film is wound in the case where reel pressure is for the external force of 2KN/m
Bulk density is 0.96g/cm3, internal diameter is 40mm, external diameter 60mm, the tubing of wall thickness 10mm；
F, burn till：Tubing is placed in the environment of 80 DEG C of room temperature and dries 12h, be then warmed up to 1370 with the speed of 1.8 DEG C/min
DEG C, and it is incubated 3h.After along with the furnace cooling, high porosity porous ceramics pipe is obtained, its porosity（Archimedes method）For 69.26%,
Rupture strength（3 points）For 8.6MPa.
Embodiment 2：
The preparation method of described high porosity porous ceramics pipe, comprises the steps of：
The preparation of a, suspension：By deionized water, 80 parts are put into agitator, start stirring, weigh successively 0.4 part of ammonium polyacrylate,
Fibre length >=0.5 part of 20mm alumina silicate polycrystalline fibre, 4 parts of 10%PVA solution, 15 parts of Alumina gel, and it is separated by 1.0min successively
Add, be well mixed, make pulp suspension；
B, fiber membrane shaping：By the first water paste uniformly through 40 mesh stainless steel mesh, make alumina silicate polycrystalline fibre uniform
Screen surface is laid in, the alumina silicate polycrystalline fibre film of two-dimensional directional stretching, extension is formed in.Take off from screen cloth film be placed on it is flat
Flattened with reel on plate, obtain the film of thickness 0.7mm, and be placed in the environment of 60 DEG C of room temperature and dry 1h；
The preparation of c, binding material：By deionized water, 50 parts are put into agitator, start stirring, and the silicon of length≤0.5mm is weighed successively
Chopped 39 parts of the alumina silicate polycrystalline fibre of sour aluminium, 10 parts of the mesh aluminum silicate ceramic fine powder of average grain diameter 200,10%PVA0.5 parts, Alumina gel
1 part, and be separated by 1.0min and sequentially add, the bubble during 10min is stirred under vacuum conditions to exclude slurry is well mixed,
It is configured to water paste；
The preparation of d, tack coat：According to technique shown in Fig. 1, multi-lay winding method includes roller conveyer belt, the rolling of roller conveyer belt one end
Wheel top is provided with reel, and roller conveyer belt top arranges scraper, is wound by reel winding, and the second water paste passes through
The control of scraper and conveyer belt, the surface of the alumina silicate polycrystalline fibre film counterdie being coated uniformly on obtained by step b, coating layer thickness
For 0.15mm；
E, porous ceramic pipe shaping：According to technique shown in Fig. 1, film is wound in the case where reel pressure is for the external force of 4.2KN/m
It is 1.28g/cm into bulk density3, internal diameter is 40mm, and external diameter is 60mm, the tubing green compact of wall thickness 10mm；
F, burn till：Tubing green compact are placed in the environment of 120 DEG C of room temperature and dry 6h, be then warmed up to the speed of 0.5 DEG C/min
1370 DEG C, and it is incubated 3h.After along with the furnace cooling, high porosity porous ceramics pipe is obtained, its porosity（Archimedes method）Hole
Rate is 59.21%, rupture strength（3 points）For 11.7MPa.
Embodiment 3：
The preparation method of described high porosity porous ceramics pipe, comprises the steps of：
The preparation of a, suspension：By deionized water, 78 parts are put into agitator, start stirring, weigh successively 0.4 part of ammonium polyacrylate,
Fibre length >=1.5 parts of 30mm alumina silicate polycrystalline fibre, 2 parts of 10%PVA solution, 18 parts of Alumina gel, and it is separated by 1.0min successively
Add, be well mixed, make pulp suspension
B, fiber membrane shaping：By the first water paste uniformly through 30 mesh stainless steel mesh, make alumina silicate polycrystalline fibre uniform
Screen surface is laid in, the alumina silicate polycrystalline fibre film of two-dimensional directional stretching, extension is formed in.Take off from screen cloth film be placed on it is flat
Flattened with reel on plate, obtain the film of thickness 1.5mm, and be placed in the environment of 60 DEG C of room temperature and dry 2h；
The preparation of c, binding material：By deionized water, 46 parts are put into agitator, start stirring, weigh successively 0.3 part of ammonium polyacrylate,
The alumina silicate of length≤0.5mm be chopped 35 parts of alumina silicate polycrystalline fibre, 15 parts of the mesh aluminum silicate ceramic fine powder of average grain diameter 200,10%
PVA2 parts, 1.5 parts of Alumina gel, under vacuum conditions stir 15min to exclude slurry in bubble, be well mixed, be configured to water
Property slurry；
D, according to technique shown in Fig. 1, multi-lay winding method includes roller conveyer belt, and roller top in roller conveyer belt one end is provided with receipts
Reel, roller conveyer belt top arranges scraper, is wound by reel winding, and the second water paste is by scraper and conveyer belt
Control, the surface of the alumina silicate polycrystalline fibre film counterdie being coated uniformly on obtained by step b, coating layer thickness is 0.15mm；
E, porous ceramic pipe shaping：According to technique shown in Fig. 1, film is wound in the case where reel pressure is for the external force of 3.6KN/m
It is 1.15g/cm into bulk density3, internal diameter is 40mm, the tubing green compact of external diameter 60mm, wall thickness 10mm；
F, burn till：Tubing green compact are placed in the environment of 100 DEG C of room temperature and dry 10h, be then warmed up to the speed of 0.9 DEG C/min
1370 DEG C, and it is incubated 3h.After along with the furnace cooling, high porosity porous ceramics pipe is obtained, its porosity（Archimedes method）For
63.08%, rupture strength（3 points）For 10.5MPa.
Claims (8)
1. a kind of winding preparation method of high porosity porous ceramics pipe, it is characterised in that comprise the steps of：
（1）Prepare fiber membrane counterdie：By the mixing of the alumina silicate polycrystalline fibre of shot content ＜ 5%, binding agent, dispersant and water
A water paste is uniformly made into, by a water paste uniformly through 20 ~ 80 mesh stainless steel mesh, alumina silicate polycrystalline fibre is made
It is evenly laid out to be formed in the alumina silicate polycrystalline fibre film of two-dimensional directional stretching, extension in screen surface, by controlling screen cloth unit plane
The slurry quantity that product passes through makes film thickness in 0.5 ~ 2.5mm, film is taken off from screen cloth and is flattened, and is subsequently placed in 50 ~ 80
DEG C environment in dry 0.5-6.0h make fiber membrane counterdie；
（2）Prepare fiber membrane coating：Chopped alumina silicate polycrystalline fibre, aluminum silicate ceramic fine powder, binding agent, dispersant are taken, plus
Enter in container and stir, and under vacuum conditions stir 10 ~ 30min to exclude slurry in bubble, make No. two it is aqueous
Slurry；
（3）Prepare fiber membrane：Water paste is coated uniformly on into fiber membrane counterdie surface, coating layer thickness control 0.1 ~
0.5mm；
（4）Prepare high porosity porous ceramics pipe：Fiber membrane prepares tubing green compact using multi-lay winding method, and tubing green compact are put
6-12h is dried in 80 ~ 120 DEG C of drying oven, is subsequently placed in ceramic kiln slow with 0.5-2.0 DEG C/min programming rates
It is warmed up to maximum sintering temperature（Between 1300 ~ 1400 DEG C）, 1 ~ 4h is incubated, finally cooling obtains high porosity porous ceramics
Pipe.
2. the winding preparation method of a kind of high porosity porous ceramics pipe according to claim 1, it is characterised in that No. one,
The binding agent of the water paste of No. two is polyvinyl alcohol, sodium carboxymethylcellulose, waterglass, Ludox, Alumina gel, polyvinyl chloride
One kind or combination in latex, propyl benzene rubber.
3. the winding preparation method of a kind of high porosity porous ceramics pipe according to claim 1, it is characterised in that No. one,
The dispersant of the water paste of No. two is ammonium polyacrylate, Triammonium citrate or polymethyl acid amide.
4. the winding preparation method of a kind of high porosity porous ceramics pipe according to claim 1, it is characterised in that No.
The component of water paste is by percentage to the quality：The 0.5% ~ 2.0% of alumina silicate polycrystalline fibre, binder content is 10% ~ 20%, point
Powder is 0% ~ 0.5%, and remaining is water.
5. the winding preparation method of a kind of high porosity porous ceramics pipe according to claim 1, it is characterised in that No. two
The component of water paste is by percentage to the quality：Chopped alumina silicate polycrystalline fibre 35 ~ 45%, aluminum silicate ceramic fine powder is 5% ~ 15%,
Binding agent 1.0% ~ 5.0%, dispersant 0%-0.5%, water 45% ~ 55%.
6. a kind of winding preparation method of high porosity porous ceramics pipe according to claim 1, it is characterised in that silicic acid
Fibre length >=the 10mm of aluminium polycrystalline fibre, the fibre length≤1.0mm of the alumina silicate polycrystalline fibre that is chopped, aluminum silicate ceramic fine powder
Average grain diameter is at 10-100 μm.
7. a kind of winding preparation method of high porosity porous ceramics pipe according to claim 1, it is characterised in that multilayer
Winding method includes roller conveyer belt, and roller top in roller conveyer belt one end is provided with reel, and roller conveyer belt top is arranged scrapes
Knife, is wound by reel winding, and scraper controls coating layer thickness in 0.1 ~ 0.5mm with conveyer belt；Reel applies during winding
Pressure be 0.5-5.0KN/m.
8. a kind of winding preparation method of high porosity porous ceramics pipe according to claim 1, it is characterised in that tubing
Green volume density is 0.6 ~ 1.5 g/cm3, 20 ~ 80mm of internal diameter, 40 ~ 100mm of external diameter, 10 ~ 20mm of wall thickness.
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| CN201610872495.6A CN106565258B (en) | 2016-10-08 | 2016-10-08 | A kind of winding preparation method of high porosity porous ceramics pipe |
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Cited By (3)
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| CN112159239A (en) * | 2020-09-28 | 2021-01-01 | 景德镇陶瓷大学 | Preparation method of roll type ceramic membrane support and ceramic membrane product thereof |
| CN112979335A (en) * | 2021-02-08 | 2021-06-18 | 哈尔滨化兴软控科技有限公司 | Preparation method of aluminum nitride porous raw material |
| CN118662982A (en) * | 2024-08-21 | 2024-09-20 | 山东工业陶瓷研究设计院有限公司 | High-temperature fiber filter tube and preparation method thereof |
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| CN103113110A (en) * | 2012-12-04 | 2013-05-22 | 海南大学 | Application method of composite silicon carbide ceramic fiber transition layer |
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| CN1699285A (en) * | 2005-06-14 | 2005-11-23 | 清华大学 | Method for preparing porous silicon carbide ceramic with high porosity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112159239A (en) * | 2020-09-28 | 2021-01-01 | 景德镇陶瓷大学 | Preparation method of roll type ceramic membrane support and ceramic membrane product thereof |
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| CN112979335A (en) * | 2021-02-08 | 2021-06-18 | 哈尔滨化兴软控科技有限公司 | Preparation method of aluminum nitride porous raw material |
| CN112979335B (en) * | 2021-02-08 | 2022-07-01 | 哈尔滨化兴软控科技有限公司 | Preparation method of aluminum nitride porous raw material |
| CN118662982A (en) * | 2024-08-21 | 2024-09-20 | 山东工业陶瓷研究设计院有限公司 | High-temperature fiber filter tube and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106565258B (en) | 2019-08-16 |
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