CN115259861B - 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 - Google Patents
一种高孔隙率多孔陶瓷膜支撑体及其制备方法 Download PDFInfo
- Publication number
- CN115259861B CN115259861B CN202210645233.1A CN202210645233A CN115259861B CN 115259861 B CN115259861 B CN 115259861B CN 202210645233 A CN202210645233 A CN 202210645233A CN 115259861 B CN115259861 B CN 115259861B
- Authority
- CN
- China
- Prior art keywords
- ceramic membrane
- membrane support
- powder
- support body
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 171
- 239000012528 membrane Substances 0.000 title claims abstract description 139
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 85
- 238000005245 sintering Methods 0.000 claims abstract description 62
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 28
- 239000011148 porous material Substances 0.000 claims abstract description 28
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 239000011812 mixed powder Substances 0.000 claims abstract description 22
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 18
- 230000032683 aging Effects 0.000 claims abstract description 15
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims abstract description 15
- 239000004014 plasticizer Substances 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 31
- 241001408630 Chloroclystis Species 0.000 claims description 21
- 239000011347 resin Substances 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- GJKGAPPUXSSCFI-UHFFFAOYSA-N 2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone Chemical group CC(C)(O)C(=O)C1=CC=C(OCCO)C=C1 GJKGAPPUXSSCFI-UHFFFAOYSA-N 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 6
- 229920000609 methyl cellulose Polymers 0.000 claims description 6
- 239000001923 methylcellulose Substances 0.000 claims description 6
- 235000010981 methylcellulose Nutrition 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical group [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- 239000010431 corundum Substances 0.000 claims description 5
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 235000011187 glycerol Nutrition 0.000 claims description 5
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- -1 acrylic ester Chemical class 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 abstract description 12
- 239000002918 waste heat Substances 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 description 11
- 239000002002 slurry Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000000016 photochemical curing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 210000003739 neck Anatomy 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000036619 pore blockages Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62218—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic films, e.g. by using temporary supports
-
- 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
- C04B35/10—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 aluminium oxide
-
- 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
- C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6316—Binders based on silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63416—Polyvinylalcohols [PVA]; Polyvinylacetates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63456—Polyurethanes; Polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/636—Polysaccharides or derivatives thereof
- C04B35/6365—Cellulose or derivatives thereof
-
- 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
- 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
-
- 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
- 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
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5454—Particle size related information expressed by the size of the particles or aggregates thereof nanometer sized, i.e. below 100 nm
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Composite Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
本发明提供一种高孔隙率多孔陶瓷膜支撑体及其制备方法,包括:混合陶瓷粉料、造孔剂、粘结剂和助剂,得到混合粉体原料;向混合粉体原料中加入增塑剂、润滑剂和水,混匀得泥料;泥料经陈腐、练泥、挤出成型,得到坯体;对坯体进行烧结,得到陶瓷膜支撑体;其中,助剂为纳米氧化铝粉,在制备泥料时还向混合粉体原料中加入硅溶胶。本发明制备陶瓷膜支撑体时加入纳米氧化铝粉,增大了粉体间结合力,避免烧结时坯体断裂,同时可保证陶瓷膜支撑体具有较高的孔隙率;本发明引入硅溶胶取代固体烧结助剂,解决固体烧结助剂堵塞孔道的难题且可提高孔隙率。本发明制得的陶瓷膜支撑体孔隙率高,以其为载体的陶瓷膜对烟气水分和余热的回收率高。
Description
技术领域
本发明涉及陶瓷材料制备技术领域,具体而言,涉及一种高孔隙率多孔陶瓷膜支撑体及其制备方法。
背景技术
水资源匮乏是制约我国经济和社会发展的主要瓶颈之一,在我国工业用水中,火力发电的用水量超过全国工业用水总量的40%,因此开展火力发电厂水资源的重复利用,可有效降低水资源的消耗量,缓解我国水资源紧缺的难题。火力发电厂中燃烧机组烟气中水蒸汽的含量约为10%,回收燃烧机组烟气中的水分和余热,将会产生可观的经济效益。
目前,国内外主要利用膜法对火力发电厂烟气水分和余热进行回收,膜主要分为有机中空纤维膜和无机陶瓷膜。相较于有机膜材料,陶瓷膜材料因具有机械强度高、化学稳定性好、透水性高、耐氧化、抗污染性好、易于清洗再生、使用寿命长等优点而具有良好的应用前景,被广泛应用于烟气脱水。
陶瓷膜材料在实际烟气脱水应用时以陶瓷膜支撑体为载体,然而,现有陶瓷膜支撑体孔径较为单一、孔隙率较低,以其为载体的陶瓷膜对火力发电厂烟气水分和余热的回收率低。
发明内容
本发明提供了一种高孔隙率多孔陶瓷膜支撑体及其制备方法,制备得到的陶瓷膜支撑体孔径可调控、孔隙率高,以其为载体的陶瓷膜对火力发电厂烟气水分和余热的回收率高,解决了现有陶瓷膜支撑体孔径较为单一、孔隙率较低造成的火力发电厂烟气水分和余热的回收率低的问题。
一方面,本发明提供了一种高孔隙率多孔陶瓷膜支撑体的制备方法,包括如下步骤:S1、混合陶瓷粉料、造孔剂、粘结剂和助剂,得到混合粉体原料;S2、向所述混合粉体原料中加入增塑剂、润滑剂和水,混匀后得到泥料;S3、所述泥料经陈腐、练泥、挤出成型后,得到陶瓷膜支撑体坯体;S4、对所述陶瓷膜支撑体坯体进行烧结,得到所述高孔隙率多孔陶瓷膜支撑体;其中,S1步骤中的所述助剂为纳米氧化铝粉,S2步骤中在制备泥料时还向所述混合粉体原料中加入硅溶胶。
与现有技术相比,本发明具有以下有益效果:本发明制备陶瓷膜支撑体时加入助剂纳米氧化铝粉,其比表面积大,表面能高,增大粉体颗粒间的结合力,烧结时相互接触的粉体在纳米氧化铝粉的作用下,结合力较强,有利于烧结的顺利进行,可解决样品吊烧过程中因粉体间结合力弱而断裂的问题;引入纳米氧化铝颗粒取代低熔点玻璃粉、黏土等原料,在烧结过程中,增强粉体间的作用力,避免烧结时坯体断裂,同时可合理调控孔径,保证陶瓷膜支撑体具有较高的孔隙率。本发明制备陶瓷膜支撑体时引入硅溶胶液体取代固体烧结助剂,用硅溶胶包覆陶瓷粉体,硅溶胶在相对较低的温度下熔融,形成的少量液相均匀地包覆于粉体颗粒表面,形成光滑的孔道结构,避免固体烧结助剂堵塞孔道等问题的发生;在毛细管力的作用下,液相会在颗粒颈部富集,有利于烧结颈部的形成,同时熔融的硅溶胶会与陶瓷颗粒反应生成莫来石颈部;硅溶胶为液态,其固含量决定颗粒数目,相比于固体烧结助剂,由固含量决定颗粒数目的硅溶胶引入的固相明显低于固体烧结助剂,可进一步调控孔径,保证较高的孔隙率。本发明制备的陶瓷膜支撑体孔隙率高,以其为载体的陶瓷膜对烟气水分和余热的回收率高。
在本发明的一些实施方式中,所述陶瓷粉料的粒径为1-50μm,所述纳米氧化铝粉的粒径为10-50nm。
采用上述进一步技术方案的有益效果在于,本发明陶瓷粉料的粒径为1-50μm,纳米氧化铝粉的粒径为10-50nm,在混料后,纳米氧化铝粉有序分散在陶瓷粉料之间,相邻粉体彼此接触,粉体间结合力强,烧结后相邻粉体彼此黏连,由此通过对陶瓷粉料和纳米氧化铝粉粒径的设计实现对孔径大小的合理调控,烧结后可实现高孔隙率。
在本发明的一些实施方式中,所述硅溶胶的固含量为10%-50%。
采用上述进一步技术方案的有益效果在于,本发明引入硅溶胶,硅溶胶是纳米二氧化硅的溶液,纳米硅溶胶中的固相粒径较小,有利于实现硅溶胶的均匀分布,纳米硅溶胶熔点较低,在相对较低的温度下就能够熔融,形成的少量液相会均匀地包覆于粉体颗粒表面,形成光滑的孔道结构,避免堵孔问题的发生;硅溶胶除了粒径小外,固含量为10%-50%,通过对固含量以及粒径的设计,进而对固相中的颗粒数目进行合理调控,进而实现对陶瓷膜支撑体孔径的调控,保证较高的孔隙率。
在本发明的一些实施方式中,S2步骤中在制备泥料时还向所述粉体原料中加入光敏树脂及光引发剂。
采用上述进一步技术方案的有益效果在于,本发明制备陶瓷膜支撑体时引入光敏树脂及光引发剂,加快陶瓷膜支撑体坯体固化速度,能够降低坯体的变形,提高产品合格率。
在本发明的一些实施方式中,按重量份数计,所述陶瓷粉料占100份、造孔剂占1-10份、粘结剂占2-9份、助剂占0.1-5份、硅溶胶占1-20份、增塑剂占2-10份、润滑剂占0.1-1份、光敏树脂占0.5-10份、光引发剂占0.05-0.1份、水占5-30份。
采用上述进一步技术方案的有益效果在于,本发明在制备陶瓷膜支撑体时,对配方进行了设计,通过该配方详细设计了各组成成分的用量,由该配方配制的泥料属于高塑性泥料,泥料中各成分混合更均匀,有利于陈腐、练泥、挤出成型工艺的进行,得到的坯体成分均匀,纳米氧化铝粉、硅溶胶、陶瓷粉料分布得到合理把控,坯体烧结后得到的陶瓷膜支撑体孔径调控在合理水平,实现高孔隙率。
在本发明的一些实施方式中,所述陶瓷粉料为氧化铝粉、刚玉粉、氧化锆粉、碳化硅粉中的至少一种;所述造孔剂为淀粉、木炭粉、活性炭粉中的至少一种;所述粘结剂为甲基纤维素或羟丙基甲基纤维素;所述增塑剂为聚乙烯醇或甘油;所述润滑剂为硬脂酸钠或有机硅树脂;所述光敏树脂为聚氨脂丙烯酸脂;所述光引发剂为光引发剂2959或光引发剂659。
采用上述进一步技术方案的有益效果在于,本发明在制备陶瓷膜支撑体时,对配方各组分进行了设计,由该具体配方制备陶瓷膜支撑体,更容易实现对纳米氧化铝粉、硅溶胶、陶瓷粉料分布的合理把控,进而更容易实现对支撑体孔径的合理调控,保证高孔隙率的实现。
在本发明的一些实施方式中,在S3步骤得到所述陶瓷膜支撑体坯体后,先对所述陶瓷膜支撑体坯体进行辐照和烘干处理,之后再进行S4步骤的烧结处理。
采用上述进一步技术方案的有益效果在于,辐照处理保证光敏树脂在光引发剂的作用下发挥作用,促进陶瓷膜支撑体坯体的光固化成型;烘干处理则可在陶瓷膜支撑体坯体固化后进一步维持其形状,防止固化后的变形。
在本发明的一些实施方式中,S4步骤中的烧结工艺为高温吊烧,烧结温度为1200℃-1700℃,烧结时间为1-10h。
采用上述进一步技术方案的有益效果在于,本发明由于引入了纳米氧化铝粉,增大了粉体间结合力,烧结时可采用高温吊烧烧结,有利于烧结的顺利进行,可避免样品吊烧过程中因粉体间结合力弱而断裂等问题的发生;本发明烧结温度为1200℃-1700℃,烧结时间为1-10h,烧结工艺简单,保证产品陶瓷膜支撑体的高孔隙率。
另一方面,本发明还提供了一种高孔隙率多孔陶瓷膜支撑体,所述高孔隙率多孔陶瓷膜支撑体根据上述任一项所述的制备方法制备。
与现有技术相比,本发明具有以下有益效果:本发明的高孔隙率多孔陶瓷膜支撑体由本发明的制备方法制备得到,陶瓷膜支撑体孔隙率高,以其为载体的陶瓷膜对烟气水分和余热的回收率高。
在本发明的一些实施方式中,所述高孔隙率多孔陶瓷膜支撑体的孔径为0.2-20μm、孔隙率为40%-60%。
采用上述进一步技术方案的有益效果在于,本发明制备方法制备的高孔隙率多孔陶瓷膜支撑体,其孔径为0.2-20μm,孔径范围被调控在合理范围内,实现对孔径的调控;孔隙率为40%-60%,实现了高孔隙率,有利于以其为载体的陶瓷膜对烟气水分和余热的高回收。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,以下将结合具体实施例对本发明涉及的各个方面进行详细说明,但这些具体实施例仅用于举例说明本发明,并不对本发明的保护范围和实质内容构成任何限定。
本发明提供一种高孔隙率多孔陶瓷膜支撑体的制备方法,包括如下步骤:
S1、混合陶瓷粉料、造孔剂、粘结剂和助剂,得到混合粉体原料;
S2、向所述混合粉体原料中加入增塑剂、润滑剂和水,混匀后得到泥料;
S3、所述泥料经陈腐、练泥、挤出成型后,得到陶瓷膜支撑体坯体;
S4、对所述陶瓷膜支撑体坯体进行烧结,得到所述高孔隙率多孔陶瓷膜支撑体;
其中,S1步骤中的所述助剂为纳米氧化铝粉,S2步骤中在制备泥料时还向所述混合粉体原料中加入硅溶胶。
在本发明中,所述陶瓷粉料的粒径为1-50μm,所述纳米氧化铝粉的粒径为10-50nm。
在本发明中,所述硅溶胶的固含量为10%-50%。
在本发明中,S2步骤中在制备泥料时还向所述粉体原料中加入光敏树脂及光引发剂。
在本发明中,按重量份数计,所述陶瓷粉料占100份、造孔剂占1-10份、粘结剂占2-9份、助剂占0.1-5份、硅溶胶占1-20份、增塑剂占2-10份、润滑剂占0.1-1份、光敏树脂占0.5-10份、光引发剂占0.05-0.1份、水占5-30份。
在本发明中,所述陶瓷粉料为氧化铝粉、刚玉粉、氧化锆粉、碳化硅粉中的至少一种;所述造孔剂为淀粉、木炭粉、活性炭粉中的至少一种;所述粘结剂为甲基纤维素或羟丙基甲基纤维素;所述增塑剂为聚乙烯醇或甘油;所述润滑剂为硬脂酸钠或有机硅树脂;所述光敏树脂为聚氨脂丙烯酸脂;所述光引发剂为光引发剂2959或光引发剂659。
在本发明中,在S3步骤得到所述陶瓷膜支撑体坯体后,先对所述陶瓷膜支撑体坯体进行辐照和烘干处理,之后再进行S4步骤的烧结处理。
在本发明中,S4步骤中的烧结工艺为高温吊烧,烧结温度为1200℃-1700℃,烧结时间为1-10h。
本发明还提供一种高孔隙率多孔陶瓷膜支撑体,其根据本发明的制备方法制备。在本发明中,所述高孔隙率多孔陶瓷膜支撑体的孔径为0.2-20μm、孔隙率为40%-60%。
实施例1
本实施例提供一种高孔隙率多孔陶瓷膜支撑体的制备方法,包括如下步骤:
S1、将粒径为1-25μm且重量份数为100份的陶瓷粉料(氧化铝粉)、粒径为10nm且重量份数为0.1份的助剂(纳米氧化铝粉)、重量份数为1份的造孔剂(淀粉)、重量份数为2份的粘结剂(甲基纤维素)利用逆流式混料机混合,得到混合粉体原料;
S2、向S1得到的混合粉体原料中加入重量份数为1份的硅溶胶(固含量为10%-50%)、重量份数为2份的增塑剂(聚乙烯醇)、重量份数为0.1份的润滑剂(硬脂酸钠)、重量份数为0.5份的光敏树脂(聚氨脂丙烯酸脂)、重量份数为0.05份的光引发剂(光引发剂2959)以及重量份数为5份的水,混合成浆料,将浆料加入到混料机中,进行高速混料,混匀后形成泥料;在本实施例中,通过对本实施例制备的泥料的塑性进行检测,发现本实施例所形成的泥料的塑性指数为15.6,大于15,属于高塑性泥料;
S3、对S2步骤制备得到的泥料进行陈腐,陈腐后利用真空练泥机练泥2-3遍,练泥后利用陶瓷挤出机挤出成型,得到陶瓷膜支撑体坯体;
S4、由于本实施例的陶瓷膜支撑体坯体属于光固化成型坯体,本实施例将陶瓷膜支撑体坯体于高压汞灯下辐照30s,之后翻转陶瓷膜支撑体坯体后再辐照30s,陶瓷膜支撑体坯体快速固化成形,利用微波对陶瓷膜支撑体坯体进行烘干处理后,得到烘干的陶瓷膜支撑体坯体;之后对烘干的陶瓷膜支撑体坯体进行烧结处理,得到高孔隙率多孔陶瓷膜支撑体;在本实施例中,烧结工艺采用高温吊烧的方式进行,具体地,将烘干的陶瓷膜支撑体坯体装到开孔方梁中,高温吊烧烧结,烧结温度为1200℃,烧结时间为10h。
本实施例还提供一种高孔隙率多孔陶瓷膜支撑体,其根据本实施例的制备方法制备。本实施例制备的高孔隙率多孔陶瓷膜支撑体的孔径为0.2-10μm、孔隙率为40%,孔隙率高、直度和圆度优良。
实施例2
本实施例提供一种高孔隙率多孔陶瓷膜支撑体的制备方法,包括如下步骤:
S1、将粒径为50μm且重量份数为100份的陶瓷粉料(刚玉粉)、粒径为50nm且重量份数为5份的助剂(纳米氧化铝粉)、重量份数为10份的造孔剂(木炭粉)、重量份数为9份的粘结剂(羟丙基甲基纤维素)利用逆流式混料机混合,得到混合粉体原料;
S2、向S1得到的混合粉体原料中加入重量份数为20份的硅溶胶(固含量为10%-50%)、重量份数为10份的增塑剂(甘油)、重量份数为1份的润滑剂(有机硅树脂)、重量份数为10份的光敏树脂(聚氨脂丙烯酸脂)、重量份数为0.1份的光引发剂(光引发剂659)以及重量份数为30份的水,混合成浆料,将浆料加入到混料机中,进行高速混料,混匀后形成泥料;在本实施例中,通过对本实施例制备的泥料的塑性进行检测,发现本实施例所形成的泥料的塑性指数为16,大于15,属于高塑性泥料;
S3、对S2步骤制备得到的泥料进行陈腐,陈腐后利用真空练泥机练泥2-3遍,练泥后利用陶瓷挤出机挤出成型,得到陶瓷膜支撑体坯体;
S4、由于本实施例的陶瓷膜支撑体坯体属于光固化成型坯体,本实施例将陶瓷膜支撑体坯体于高压汞灯下辐照30s,之后翻转陶瓷膜支撑体坯体后再辐照30s,陶瓷膜支撑体坯体快速固化成形,利用微波对陶瓷膜支撑体坯体进行烘干处理后,得到烘干的陶瓷膜支撑体坯体;之后对烘干的陶瓷膜支撑体坯体进行烧结处理,得到高孔隙率多孔陶瓷膜支撑体;在本实施例中,烧结工艺采用高温吊烧的方式进行,具体地,将烘干的陶瓷膜支撑体坯体装到开孔方梁中,高温吊烧烧结,烧结温度为1700℃,烧结时间为1h。
本实施例还提供一种高孔隙率多孔陶瓷膜支撑体,其根据本实施例的制备方法制备。本实施例制备的高孔隙率多孔陶瓷膜支撑体的孔径为10-20μm、孔隙率为60%,孔隙率高、直度和圆度优良。
实施例3
本实施例提供一种高孔隙率多孔陶瓷膜支撑体的制备方法,包括如下步骤:
S1、将粒径为2μm且重量份数为100份的陶瓷粉料(氧化锆粉)、粒径为15nm且重量份数为4份的助剂(纳米氧化铝粉)、重量份数为6份的造孔剂(活性炭粉)、重量份数为5份的粘结剂(甲基纤维素)利用逆流式混料机混合,得到混合粉体原料;
S2、向S1得到的混合粉体原料中加入重量份数为20份的硅溶胶(固含量为10%-50%)、重量份数为2份的增塑剂(聚乙烯醇)、重量份数为0.45份的润滑剂(硬脂酸钠)、重量份数为5份的光敏树脂(聚氨脂丙烯酸脂)、重量份数为0.05份的光引发剂(光引发剂659)以及重量份数为20份的水,混合成浆料,将浆料加入到混料机中,进行高速混料,混匀后形成泥料;在本实施例中,通过对本实施例制备的泥料的塑性进行检测,发现本实施例所形成的泥料的塑性指数为15.4,大于15,属于高塑性泥料;
S3、对S2步骤制备得到的泥料进行陈腐,陈腐后利用真空练泥机练泥2-3遍,练泥后利用陶瓷挤出机挤出成型,得到陶瓷膜支撑体坯体;
S4、由于本实施例的陶瓷膜支撑体坯体属于光固化成型坯体,本实施例将陶瓷膜支撑体坯体于高压汞灯下辐照30s,之后翻转陶瓷膜支撑体坯体后再辐照30s,陶瓷膜支撑体坯体快速固化成形,利用微波对陶瓷膜支撑体坯体进行烘干处理后,得到烘干的陶瓷膜支撑体坯体;之后对烘干的陶瓷膜支撑体坯体进行烧结处理,得到高孔隙率多孔陶瓷膜支撑体;在本实施例中,烧结工艺采用高温吊烧的方式进行,具体地,将烘干的陶瓷膜支撑体坯体装到开孔方梁中,高温吊烧烧结,烧结温度为1400℃,烧结时间为6h。
本实施例还提供一种高孔隙率多孔陶瓷膜支撑体,其根据本实施例的制备方法制备。本实施例制备的高孔隙率多孔陶瓷膜支撑体的孔径为0.2-15μm、孔隙率为45%,孔隙率高、直度和圆度优良。
实施例4
本实施例提供一种高孔隙率多孔陶瓷膜支撑体的制备方法,包括如下步骤:
S1、将粒径为25μm且重量份数为100份的陶瓷粉料(碳化硅粉)、粒径为25nm且重量份数为3份的助剂(纳米氧化铝粉)、重量份数为5份的造孔剂(淀粉和木炭粉)、重量份数为5份的粘结剂(羟丙基甲基纤维素)利用逆流式混料机混合,得到混合粉体原料;
S2、向S1得到的混合粉体原料中加入重量份数为15份的硅溶胶(固含量为10%-50%)、重量份数为4份的增塑剂(甘油)、重量份数为0.5份的润滑剂(有机硅树脂)、重量份数为8份的光敏树脂(聚氨脂丙烯酸脂)、重量份数为0.08份的光引发剂(光引发剂2959)以及重量份数为18份的水,混合成浆料,将浆料加入到混料机中,进行高速混料,混匀后形成泥料;在本实施例中,通过对本实施例制备的泥料的塑性进行检测,发现本实施例所形成的泥料的塑性指数为16.5,大于15,属于高塑性泥料;
S3、对S2步骤制备得到的泥料进行陈腐,陈腐后利用真空练泥机练泥2-3遍,练泥后利用陶瓷挤出机挤出成型,得到陶瓷膜支撑体坯体;
S4、由于本实施例的陶瓷膜支撑体坯体属于光固化成型坯体,本实施例将陶瓷膜支撑体坯体于高压汞灯下辐照30s,之后翻转陶瓷膜支撑体坯体后再辐照30s,陶瓷膜支撑体坯体快速固化成形,利用微波对陶瓷膜支撑体坯体进行烘干处理后,得到烘干的陶瓷膜支撑体坯体;之后对烘干的陶瓷膜支撑体坯体进行烧结处理,得到高孔隙率多孔陶瓷膜支撑体;在本实施例中,烧结工艺采用高温吊烧的方式进行,具体地,将烘干的陶瓷膜支撑体坯体装到开孔方梁中,高温吊烧烧结,烧结温度为1500℃,烧结时间为4h。
本实施例还提供一种高孔隙率多孔陶瓷膜支撑体,其根据本实施例的制备方法制备。本实施例制备的高孔隙率多孔陶瓷膜支撑体的孔径为15-20μm、孔隙率为50%,孔隙率高、直度和圆度优良。
实施例5
本实施例提供一种高孔隙率多孔陶瓷膜支撑体的制备方法,包括如下步骤:
S1、将粒径为40μm且重量份数为100份的陶瓷粉料(氧化铝粉和刚玉粉)、粒径为45nm且重量份数为2份的助剂(纳米氧化铝粉)、重量份数为4份的造孔剂(木炭粉和活性炭粉)、重量份数为3份的粘结剂(甲基纤维素)利用逆流式混料机混合,得到混合粉体原料;
S2、向S1得到的混合粉体原料中加入重量份数为10份的硅溶胶(固含量为10%-50%)、重量份数为6份的增塑剂(聚乙烯醇)、重量份数为0.6份的润滑剂(硬脂酸钠)、重量份数为4份的光敏树脂(聚氨脂丙烯酸脂)、重量份数为0.06份的光引发剂(光引发剂2959)以及重量份数为15份的水,混合成浆料,将浆料加入到混料机中,进行高速混料,混匀后形成泥料;在本实施例中,通过对本实施例制备的泥料的塑性进行检测,发现本实施例所形成的泥料的塑性指数为17,大于15,属于高塑性泥料;
S3、对S2步骤制备得到的泥料进行陈腐,陈腐后利用真空练泥机练泥2-3遍,练泥后利用陶瓷挤出机挤出成型,得到陶瓷膜支撑体坯体;
S4、由于本实施例的陶瓷膜支撑体坯体属于光固化成型坯体,本实施例将陶瓷膜支撑体坯体于高压汞灯下辐照30s,之后翻转陶瓷膜支撑体坯体后再辐照30s,陶瓷膜支撑体坯体快速固化成形,利用微波对陶瓷膜支撑体坯体进行烘干处理后,得到烘干的陶瓷膜支撑体坯体;之后对烘干的陶瓷膜支撑体坯体进行烧结处理,得到高孔隙率多孔陶瓷膜支撑体;在本实施例中,烧结工艺采用高温吊烧的方式进行,具体地,将烘干的陶瓷膜支撑体坯体装到开孔方梁中,高温吊烧烧结,烧结温度为1600℃,烧结时间为2h。
本实施例还提供一种高孔隙率多孔陶瓷膜支撑体,其根据本实施例的制备方法制备。本实施例制备的高孔隙率多孔陶瓷膜支撑体的孔径为0.2-20μm、孔隙率为58%,孔隙率高、直度和圆度优良。
以上结合具体实施方式对本发明进行了说明,这些具体实施方式仅仅是示例性的,不能以此限定本发明的保护范围,本领域技术人员在不脱离本发明实质的前提下可以进行各种修改、变化或替换。因此,根据本发明所作的各种等同变化,仍属于本发明所涵盖的范围。
Claims (6)
1.一种高孔隙率多孔陶瓷膜支撑体的制备方法,其特征在于,包括如下步骤:
S1、混合陶瓷粉料、造孔剂、粘结剂和助剂,得到混合粉体原料;
S2、向所述混合粉体原料中加入增塑剂、润滑剂和水,混匀后得到泥料;
S3、所述泥料经陈腐、练泥、挤出成型后,得到陶瓷膜支撑体坯体;
S4、对所述陶瓷膜支撑体坯体进行烧结,得到所述高孔隙率多孔陶瓷膜支撑体;
其中,S1步骤中的所述助剂为纳米氧化铝粉,S2步骤中在制备泥料时还向所述混合粉体原料中加入硅溶胶;
所述陶瓷粉料的粒径为1-50μm,所述纳米氧化铝粉的粒径为10-50nm;
S2步骤中在制备泥料时还向所述粉体原料中加入光敏树脂及光引发剂;
按重量份数计,所述陶瓷粉料占100份、造孔剂占1-10份、粘结剂占2-9份、助剂占0.1-5份、硅溶胶占1-20份、增塑剂占2-10份、润滑剂占0.1-1份、光敏树脂占0.5-10份、光引发剂占0.05-0.1份、水占5-30份;
在S3步骤得到所述陶瓷膜支撑体坯体后,先对所述陶瓷膜支撑体坯体进行辐照和烘干处理,之后再进行S4步骤的烧结处理;其中,辐照时,将陶瓷膜支撑体坯体辐照后翻转陶瓷膜支撑体坯体后再辐照;
S4步骤中的烧结工艺为高温吊烧。
2.如权利要求1所述的制备方法,其特征在于,所述硅溶胶的固含量为10%-50%。
3.如权利要求1所述的制备方法,其特征在于,所述陶瓷粉料为氧化铝粉、刚玉粉、氧化锆粉、碳化硅粉中的至少一种;所述造孔剂为淀粉、木炭粉、活性炭粉中的至少一种;所述粘结剂为甲基纤维素或羟丙基甲基纤维素;所述增塑剂为聚乙烯醇或甘油;所述润滑剂为硬脂酸钠或有机硅树脂;所述光敏树脂为聚氨脂丙烯酸脂;所述光引发剂为光引发剂2959或光引发剂659。
4.如权利要求1所述的制备方法,其特征在于,烧结温度为1200℃-1700℃,烧结时间为1-10h。
5.一种高孔隙率多孔陶瓷膜支撑体,其特征在于,所述高孔隙率多孔陶瓷膜支撑体根据权利要求1至4中任一项所述的制备方法制备。
6.如权利要求5所述的高孔隙率多孔陶瓷膜支撑体,其特征在于,所述高孔隙率多孔陶瓷膜支撑体的孔径为0.2-20μm、孔隙率为40%-60%。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210645233.1A CN115259861B (zh) | 2022-06-08 | 2022-06-08 | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210645233.1A CN115259861B (zh) | 2022-06-08 | 2022-06-08 | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115259861A CN115259861A (zh) | 2022-11-01 |
CN115259861B true CN115259861B (zh) | 2024-01-16 |
Family
ID=83759755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210645233.1A Active CN115259861B (zh) | 2022-06-08 | 2022-06-08 | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115259861B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115650724A (zh) * | 2022-11-14 | 2023-01-31 | 三祥新材股份有限公司 | 一种蜂窝陶瓷及其制备方法 |
CN116477923B (zh) * | 2023-03-22 | 2024-04-05 | 雅安沃克林环保科技有限公司 | 一种利用陶瓷膜废品制备陶瓷接板的方法及陶瓷接板 |
CN116715530A (zh) * | 2023-06-02 | 2023-09-08 | 中钢集团洛阳耐火材料研究院有限公司 | 一种低热膨胀率尖晶石碳材料的制备方法 |
CN117430443B (zh) * | 2023-12-21 | 2024-04-19 | 山东硅苑新材料科技股份有限公司 | 高流道密度的大尺寸多孔陶瓷膜一体化制备方法 |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5645727A (en) * | 1994-05-06 | 1997-07-08 | Illinois Water Treatment, Inc. | On-line ozonation in ultra pure water membrane filtration |
JP2006267504A (ja) * | 2005-03-23 | 2006-10-05 | Fuji Photo Film Co Ltd | 感光性転写材料、積層体の製造方法、積層体、液晶表示装置用基板、液晶表示素子、液晶表示装置 |
CN101412620A (zh) * | 2008-11-14 | 2009-04-22 | 西安交通大学 | 溶胶作为助剂制备多孔氧化铝陶瓷支撑体的方法 |
CN101920142A (zh) * | 2010-09-30 | 2010-12-22 | 中材高新材料股份有限公司 | 碳化硅高温陶瓷过滤管及其制备方法 |
CN101948316A (zh) * | 2010-09-30 | 2011-01-19 | 中材高新材料股份有限公司 | 陶瓷过滤支撑体的制备方法 |
CN102408250A (zh) * | 2011-07-25 | 2012-04-11 | 三达膜科技(厦门)有限公司 | 一种陶瓷膜支撑体及其制备方法 |
CN104258737A (zh) * | 2014-09-10 | 2015-01-07 | 山东工业陶瓷研究设计院有限公司 | 大尺寸薄壁中空平板陶瓷膜的制备方法 |
CN104987120A (zh) * | 2015-07-21 | 2015-10-21 | 江苏九天高科技股份有限公司 | 一种分子筛膜支撑体的制备方法 |
CN105254323A (zh) * | 2015-11-28 | 2016-01-20 | 郑州大学 | 一种微孔刚玉-莫来石陶瓷分离膜支撑体及其制备方法 |
CN106242624A (zh) * | 2016-08-02 | 2016-12-21 | 山东华瓷环保设备科技有限公司 | 一种氧化铝多通道陶瓷膜支撑体的制备方法 |
CN106431367A (zh) * | 2016-09-07 | 2017-02-22 | 山东工业陶瓷研究设计院有限公司 | 可光固化的石英陶瓷料浆及其制备方法和应用 |
CN106699222A (zh) * | 2017-02-15 | 2017-05-24 | 山东工业陶瓷研究设计院有限公司 | 高性能平板陶瓷膜支撑体及其制备方法 |
CN107098717A (zh) * | 2017-04-07 | 2017-08-29 | 武汉理工大学 | 一种过滤用多孔陶瓷的三维打印成型制备方法 |
CN108117379A (zh) * | 2017-12-01 | 2018-06-05 | 中海油天津化工研究设计院有限公司 | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 |
CN108392990A (zh) * | 2018-02-24 | 2018-08-14 | 江苏新时高温材料股份有限公司 | 一种中空平板全陶瓷过滤膜元件 |
CN109608172A (zh) * | 2019-01-29 | 2019-04-12 | 安徽峰可达科技股份有限公司 | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 |
CN110256059A (zh) * | 2019-06-12 | 2019-09-20 | 山东工业陶瓷研究设计院有限公司 | 一种高通量陶瓷平板膜及其制备方法 |
CN110615672A (zh) * | 2019-08-14 | 2019-12-27 | 中材高新材料股份有限公司 | 一种陶瓷预制体及其制备方法、陶瓷耐磨结构及耐磨件 |
CN112209719A (zh) * | 2020-09-17 | 2021-01-12 | 山东工业陶瓷研究设计院有限公司 | 一种碳化硅质陶瓷膜及其制备方法和应用 |
-
2022
- 2022-06-08 CN CN202210645233.1A patent/CN115259861B/zh active Active
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5645727A (en) * | 1994-05-06 | 1997-07-08 | Illinois Water Treatment, Inc. | On-line ozonation in ultra pure water membrane filtration |
JP2006267504A (ja) * | 2005-03-23 | 2006-10-05 | Fuji Photo Film Co Ltd | 感光性転写材料、積層体の製造方法、積層体、液晶表示装置用基板、液晶表示素子、液晶表示装置 |
CN101412620A (zh) * | 2008-11-14 | 2009-04-22 | 西安交通大学 | 溶胶作为助剂制备多孔氧化铝陶瓷支撑体的方法 |
CN101920142A (zh) * | 2010-09-30 | 2010-12-22 | 中材高新材料股份有限公司 | 碳化硅高温陶瓷过滤管及其制备方法 |
CN101948316A (zh) * | 2010-09-30 | 2011-01-19 | 中材高新材料股份有限公司 | 陶瓷过滤支撑体的制备方法 |
CN102408250A (zh) * | 2011-07-25 | 2012-04-11 | 三达膜科技(厦门)有限公司 | 一种陶瓷膜支撑体及其制备方法 |
CN104258737A (zh) * | 2014-09-10 | 2015-01-07 | 山东工业陶瓷研究设计院有限公司 | 大尺寸薄壁中空平板陶瓷膜的制备方法 |
CN104987120A (zh) * | 2015-07-21 | 2015-10-21 | 江苏九天高科技股份有限公司 | 一种分子筛膜支撑体的制备方法 |
CN105254323A (zh) * | 2015-11-28 | 2016-01-20 | 郑州大学 | 一种微孔刚玉-莫来石陶瓷分离膜支撑体及其制备方法 |
CN106242624A (zh) * | 2016-08-02 | 2016-12-21 | 山东华瓷环保设备科技有限公司 | 一种氧化铝多通道陶瓷膜支撑体的制备方法 |
CN106431367A (zh) * | 2016-09-07 | 2017-02-22 | 山东工业陶瓷研究设计院有限公司 | 可光固化的石英陶瓷料浆及其制备方法和应用 |
CN106699222A (zh) * | 2017-02-15 | 2017-05-24 | 山东工业陶瓷研究设计院有限公司 | 高性能平板陶瓷膜支撑体及其制备方法 |
CN107098717A (zh) * | 2017-04-07 | 2017-08-29 | 武汉理工大学 | 一种过滤用多孔陶瓷的三维打印成型制备方法 |
CN108117379A (zh) * | 2017-12-01 | 2018-06-05 | 中海油天津化工研究设计院有限公司 | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 |
CN108392990A (zh) * | 2018-02-24 | 2018-08-14 | 江苏新时高温材料股份有限公司 | 一种中空平板全陶瓷过滤膜元件 |
CN109608172A (zh) * | 2019-01-29 | 2019-04-12 | 安徽峰可达科技股份有限公司 | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 |
CN110256059A (zh) * | 2019-06-12 | 2019-09-20 | 山东工业陶瓷研究设计院有限公司 | 一种高通量陶瓷平板膜及其制备方法 |
CN110615672A (zh) * | 2019-08-14 | 2019-12-27 | 中材高新材料股份有限公司 | 一种陶瓷预制体及其制备方法、陶瓷耐磨结构及耐磨件 |
CN112209719A (zh) * | 2020-09-17 | 2021-01-12 | 山东工业陶瓷研究设计院有限公司 | 一种碳化硅质陶瓷膜及其制备方法和应用 |
Non-Patent Citations (3)
Title |
---|
徐利华 等.陶瓷坯釉料制备技术.中国轻工业出版社,2012,第125页. * |
提拉浸渍用氧化铝陶瓷平板膜烧制工艺研究;赵世凯 等;《现代技术陶瓷》;20220430;第43卷(第2期);第110-117页 * |
氧化铝陶瓷过滤膜的快速成型及性能研究;刘洋;《中国博士学位论文全文数据库 工程科技Ⅰ辑》;20181215;第65页第1段、第66页第2段、表5-2 * |
Also Published As
Publication number | Publication date |
---|---|
CN115259861A (zh) | 2022-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN115259861B (zh) | 一种高孔隙率多孔陶瓷膜支撑体及其制备方法 | |
Liang et al. | Influencing factors on the performance of tubular ceramic membrane supports prepared by extrusion | |
CN107619281B (zh) | 一种低温烧结耐酸碱多孔碳化硅陶瓷支撑体的制备方法 | |
CN110922204B (zh) | 一种低温烧结氧化铝陶瓷膜的制备方法 | |
CN101328073B (zh) | 自增强型陶瓷纤维浇注料及其制备方法 | |
CN107098717A (zh) | 一种过滤用多孔陶瓷的三维打印成型制备方法 | |
CN110642601B (zh) | 一种以气化炉渣为原料制备的保水砖及其制备方法 | |
CN110862252B (zh) | 一种河湖淤泥基免烧超轻陶粒及其制备方法和应用 | |
CN104876638A (zh) | 一种纳米级多孔陶瓷用造孔剂及其制备方法和应用 | |
CN102196850A (zh) | 纤维状钛酸铝基材及形成所述基材的方法 | |
CN1341578A (zh) | 一种制备碳化硅多孔陶瓷管的方法 | |
CN108863432A (zh) | 一种固废空心陶粒及其制备方法 | |
CN107500799B (zh) | 一种轻质污泥-粉煤灰多孔陶瓷的制备方法 | |
JPWO2012023617A1 (ja) | セラミックハニカム構造体の製造方法 | |
CN101074161A (zh) | 一种钛酸铝-莫来石质蜂窝陶瓷及其制备方法 | |
JP2010516619A (ja) | 架橋済み未焼成体物品およびそれから多孔質セラミック物品を製造する方法 | |
CN113880603A (zh) | 一种多孔陶瓷组合物及其制备方法 | |
CN111825448B (zh) | 湿纺浸渍法制备具有致密孔壁的直通孔氧化锆陶瓷的方法 | |
CN110483092B (zh) | 一种微孔陶瓷体的制备方法、微孔陶瓷体及应用 | |
CN110885237B (zh) | 一种低温烧结氧化铝陶瓷支撑体的制备方法 | |
CN100450968C (zh) | 一种粉煤灰制备莫来石质微孔曝气头(板)的方法 | |
US10570065B1 (en) | Method of fabricating green desiccant wheel | |
JP2009256175A (ja) | ハニカム構造体の製造方法 | |
CN114133270A (zh) | 中空平板陶瓷过滤膜及其制备方法 | |
CN110255939B (zh) | 一种泡沫陶瓷轻集料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |