CN105777194B - A kind of dermatoplastic method of ceramic monolith - Google Patents
A kind of dermatoplastic method of ceramic monolith Download PDFInfo
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- CN105777194B CN105777194B CN201610142041.3A CN201610142041A CN105777194B CN 105777194 B CN105777194 B CN 105777194B CN 201610142041 A CN201610142041 A CN 201610142041A CN 105777194 B CN105777194 B CN 105777194B
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- skin
- grafting
- slide glass
- slurry
- flexible slide
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5037—Clay, Kaolin
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Laminated Bodies (AREA)
Abstract
A kind of dermatoplastic method of ceramic monolith, the specific steps are：(1) skin-grafting slurry is prepared；Binder is applied on flexible slide glass；(2) thickness of slurry as required that will make skin graft uniformly is coated on flexible slide glass, is securely cohered by binder and flexible slide glass；It (3) will be spare after the flexible slide glass drying after coating skin-grafting slurry；(4) water or solution for being mixed with inorganic glue or organic gel is added in the skin-grafting pulp surface on being attached to flexible slide glass, obtains skin-grafting slide glass；(5) skin-grafting slide glass obtained by step (4) is covered in the outer surface of ceramic monolith, wherein the side for being covered with skin-grafting slurry is contacted with the outer surface of ceramic monolith；(6) it is burnt into kiln or drying chamber and completes to make skin graft.By the adjustment etc. of granularity, moisture and additive to slurry of making skin graft in the present invention, the defects of solving conventional skin-grafting technique there may be season cracking, warpages in slide glass coating and drying process.
Description
Technical field
The present invention relates to ceramics skin-grafting technical fields, more particularly, to a kind of novel skin-grafting work for larger vector and DPF
Skill.
Background technology
Honeycomb ceramic carrier is widely used in motor vehicle tail-gas purifying field, for a kind of pottery of tool honeycomb rindy
Porcelain products.The dermatoplastic method of existing ceramic honey comb is mode by hand in ceramic body outer wall one layer of plasticity mud of smearing
Material, green body could become final products after dry and 1300 DEG C or more high temperature kilns are burnt into.Existing this complex process,
Energy consumption is very high, and efficiency is very low.
Big specification honeycomb ceramic carrier (abbreviation larger vector), diesel particulate trap (abbreviation DPF) skin-grafting technique now
It is relatively complicated, first make skin-grafting slurry, then by operating personnel either manually or mechanically equipment will make skin graft slurry be coated in larger vector,
On DPF crusts, ordinary circumstance will coat 2 times or more.One of drying procedure will also be increased by often coating one time.To final production
The consistency of thickness of product, material of making skin graft is difficult to ensure that the appearance and size of product also has larger deviation.
In addition skin-grafting slurry is because having certain mobility and tack requirements, so the environment to the storage for slurry of making skin graft and guarantor
Depositing the time limit has harsh requirement；Generally less than 72 hours, constant temperature and humidity preserved.The low temperature skin-grafting slurry holding time is even less than
12 hours.
Invention content
In view of the above-mentioned problems existing in the prior art, the applicant provides a kind of dermatoplastic method of ceramic monolith.This hair
By the adjustment etc. of granularity, moisture and additive to slurry of making skin graft in bright, solve conventional skin-grafting technique in slide glass coating and
The defects of there may be season cracking, warpages in drying process.
Technical scheme is as follows：
A kind of dermatoplastic method of ceramic monolith, the specific steps are：
(1) skin-grafting slurry is prepared；Binder is applied on flexible slide glass；
(2) thickness of slurry as required that will make skin graft uniformly is coated on flexible slide glass, passes through binder and flexible slide glass
Securely cohere；
It (3) will be spare after the flexible slide glass drying after coating skin-grafting slurry；
(4) water or molten for being mixed with inorganic glue or organic gel is added in the skin-grafting pulp surface on being attached to flexible slide glass
Liquid obtains skin-grafting slide glass；
(5) skin-grafting slide glass obtained by step (4) is covered in the outer surface of ceramic monolith, wherein being covered with that of skin-grafting slurry
It is contacted on one side with the outer surface of ceramic monolith；
(6) it is burnt into kiln or drying chamber and completes to make skin graft.
Step (1) the skin-grafting slurry is conventionally prepared according to requirements.Step (1) the skin-grafting slurry makes
It is prepared with organic gel, inorganic glue, clay, aluminium oxide, high/low temperature solvent, 1000 DEG C or more firings or easy fired.It is described organic
Glue is water soluble polymer adhesive.The organic gel is the alkyl ether adhesive of cellulose.
The cellulose that draw ratio is more than 50 is added when preparing skin-grafting slurry for step (1).Step (1) the skin-grafting slurry grain
Degree is D10：5~10 μm；D50：40~80 μm；D90：90~250 μm.
Step (2) the flexible slide glass is cloth, paper, adhesive plaster material, can be burnt without cinder in kiln.Step (2)
Skin-grafting slurry keeps moisture in 30~50wt% in coating flexible slide glass；Step (2) can according to different requirements
With layered coated；Other functional layers can be coated on skin-grafting pulp layer according to different requirements.
The shelf-life of step (3) treated skin-grafting slurry and flexible slide glass composite layer was up to 90 days or more.
The present invention is beneficial to be had technical effect that：
1, the present invention is a kind of completely new larger vector, DPF skin-grafting material production technologies, is had a extensive future.
2, operability of the present invention is strong, improves effect, produces in batches and stores convenient for mechanization.
3, present invention optimizes production technology, energy-saving and emission-reduction.
4, the present invention improves product quality, reduces product cost.
Description of the drawings
Fig. 1 is preparation technology flow chart of the present invention.
In figure：1, skin-grafting slurry；2, flexible slide glass；3, water or solution；4, ceramic monolith.
Specific implementation mode
Technological process shown in 1 below in conjunction with the accompanying drawings, is specifically described the present invention.
(1) skin-grafting slurry 1 is prepared, and binder is applied on flexible slide glass 2：
Skin-grafting slurry 1 is conventionally prepared according to requirements, can use organic gel, inorganic glue, clay, oxidation
Aluminium, high/low temperature solvent are prepared, 1000 DEG C or more firings or easy fired.It is specifically as follows 20kg Ludox, 15kg clays, 30kg
Clinker, 5kg celluloses, 1kg additives and 20kg deionized waters.
Cellulose is the cellulose that draw ratio is more than 50；It is specifically as follows addition(draw ratio is BWW40 celluloses
100).Having used the skin-grafting slurry of BWW40 celluloses to dry, contraction is small, and shape-retaining ability is good, good toughness, also has good rehydration
Property.
Additive is preferably water soluble polymer adhesive, is specifically as follows the alkyl ether adhesive of cellulose.
The granularity of skin-grafting slurry 1 is preferably D10：5~10 μm；D50：40~80 μm；D90：90~250 μm.
The defects of skin-grafting slurry 1 can vacuumize after preparing, can improve slurry uniformity in this way, reduce bubble.
(2) thickness of slurry 1 as required that will make skin graft uniformly is coated on flexible slide glass 2, is carried with flexible by binder
Piece 2 securely coheres.It can be with layered coated according to different requirements.Flexible slide glass 2 is cloth, paper, adhesive plaster material, can be with
It burns without cinder in kiln.According to different requirements, other functional layers can also be coated on skin-grafting pulp layer.
Skin-grafting slurry 1 keeps moisture in 30~50wt%, preferably 30~40wt% in coating flexible slide glass 2.
(3) spare after drying the flexible slide glass 2 after coating skin-grafting slurry 1；
(4) 1 surface of skin-grafting slurry on being attached to flexible slide glass 2 be added the water for being mixed with organic gel or inorganic glue or
Solution 3 obtains skin-grafting slide glass.
(5) skin-grafting slide glass obtained by step (4) is covered in the outer surface of ceramic monolith 4, wherein being covered with skin-grafting slurry 1
The side is contacted with the outer surface of ceramic monolith 4；Ceramic monolith 4 is larger vector or DPF.
(6) it is burnt into kiln or drying chamber and completes to make skin graft.Flexibility slide glass 4 and various binders are all burned or wave when calcining
Hair falls.
Claims (3)
1. a kind of dermatoplastic method of ceramic monolith, it is characterised in that the specific steps are：
(1) skin-grafting slurry is prepared；Binder is applied on flexible slide glass；
(2) thickness of slurry as required that will make skin graft uniformly is coated on flexible slide glass, secured by binder and flexible slide glass
It coheres；
It (3) will be spare after the flexible slide glass drying after coating skin-grafting slurry；
(4) water or solution for being mixed with inorganic glue or organic gel is added in the skin-grafting pulp surface on being attached to flexible slide glass,
Obtain skin-grafting slide glass；
(5) skin-grafting slide glass obtained by step (4) is covered in the outer surface of ceramic monolith, wherein being covered with the side of skin-grafting slurry
It is contacted with the outer surface of ceramic monolith；
(6) it is burnt into kiln or drying chamber and completes to make skin graft；
Step (1) the skin-grafting slurry granularity is D10：5~10 μm；D50：40~80 μm；D90：90~250 μm；
The cellulose that draw ratio is more than 50 is added when preparing skin-grafting slurry for step (1)；
Step (2) the flexible slide glass is cloth, paper, adhesive plaster material, can be burnt without cinder in kiln；
Step (2) skin-grafting slurry keeps moisture in 30~50wt% in coating flexible slide glass.
2. the dermatoplastic method of ceramic monolith according to claim 1, it is characterised in that：Step (1) the skin-grafting slurry makes
It is prepared with 20kg Ludox, 15kg clays, 30kg clinkers, 5kg celluloses, 1kg additives and 20kg deionized waters, it is described to add
It is the alkyl ether adhesive of cellulose to add agent；1000 DEG C or more are burnt into.
3. the dermatoplastic method of ceramic monolith according to claim 1, it is characterised in that：Step (2) is according to different uses
It is required that can be with layered coated；Other functional layers can be coated on skin-grafting pulp layer according to different requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142041.3A CN105777194B (en) | 2016-03-11 | 2016-03-11 | A kind of dermatoplastic method of ceramic monolith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142041.3A CN105777194B (en) | 2016-03-11 | 2016-03-11 | A kind of dermatoplastic method of ceramic monolith |
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| Publication Number | Publication Date |
|---|---|
| CN105777194A CN105777194A (en) | 2016-07-20 |
| CN105777194B true CN105777194B (en) | 2018-09-04 |
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| CN201610142041.3A Active CN105777194B (en) | 2016-03-11 | 2016-03-11 | A kind of dermatoplastic method of ceramic monolith |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115094209A (en) * | 2022-06-02 | 2022-09-23 | 烟台杰瑞石油装备技术有限公司 | Preparation method and structure of wear-resistant surface, pipeline, connecting valve and operation equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005065199A2 (en) * | 2003-12-31 | 2005-07-21 | Corning Incorporated | Ceramic structures having hydrophobic coatings |
| CN101612499B (en) * | 2009-07-22 | 2011-05-25 | 江苏高淳陶瓷股份有限公司 | Method for preparing wall-flow honeycomb ceramic filter |
| CN102276288B (en) * | 2011-05-31 | 2013-01-23 | 宜兴王子制陶有限公司 | Preparation method of honeycomb ceramic having outer skin |
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