CN103727321B - Wear-resisting relief pipe of MULTILAYER COMPOSITE and preparation method thereof - Google Patents
Wear-resisting relief pipe of MULTILAYER COMPOSITE and preparation method thereof Download PDFInfo
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- CN103727321B CN103727321B CN201410009170.6A CN201410009170A CN103727321B CN 103727321 B CN103727321 B CN 103727321B CN 201410009170 A CN201410009170 A CN 201410009170A CN 103727321 B CN103727321 B CN 103727321B
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- Prior art keywords
- wear
- multilayer composite
- relief pipe
- resisting
- preparation
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- 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
- B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
- B28B21/72—Producing multilayer tubes
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Abstract
Wear-resisting relief pipe of a kind of MULTILAYER COMPOSITE and preparation method thereof, the wear-resisting relief pipe of described MULTILAYER COMPOSITE is composited by wear-resistant ceramic internal layer, microdilatancy binder course and metal outer from inside to outside successively; The wear-resisting relief pipe of MULTILAYER COMPOSITE is followed successively by undergauge section, straight length and extension diameter section from entry end to outlet end, respectively with entrance adpting flange and outlet adpting flange on the metal outer of entry end and outlet end.Ceramic wear-resisting internal layer of the present invention, binder course, metal outer are that gapless combines, and product presents integrity, there will not be internal and external layer to get loose phenomenon.Ceramic layer can adopt Zirconia reinforced alumina ceramic, and toughness of products and wear-resisting property make product have excellent durability.Microdilatancy binder course, by bonding effect and microdilatancy effect, makes internal layer stupalith, binder course together with outer layer metal material strong bonded.The wear-resisting relief pipe of MULTILAYER COMPOSITE can be sectional combination structure, thus facilitates the preparation of pipeline, improves the machining accuracy of pipeline.
Description
Technical field
The present invention relates to during a kind of coal liquifaction is produced the abrasion-proof pipe used, and the preparation method of this abrasion-proof pipe.
Background technique
Wear-resisting relief pipe is widely used a kind of cinder conveyance conduit on coal liquifaction production line, and for improving the wear-resisting and corrosion resistance in metal delivery tubes road, prior art mainly makes pottery, metal composite pipe.The preparation process of existing pottery, metal composite pipe mainly contains following two kinds:
One, pasting ceramics in metal pipe internal wall, in use there is some deficiency following in this product:
1, paste ceramics and there is no integrity, easily come off;
2, large particle material can not be carried;
3, can not be hit;
4, combined and spliced manufacture difficulty is large.
Two, apply binder at stoneware pipe outer wall or at metal conduit inwall coated with adhesive, both bonded.Easily get loose between composite pipe stoneware pipe prepared by this technique and metal tube, when conveying high-pressure stream material, first stoneware pipe bears high pressure, and the tensility of stoneware pipe is poor, owing to there is gap between stoneware pipe and metal tube thus easily occurring the problems such as stoneware pipe splits.
Summary of the invention
The invention provides wear-resisting relief pipe of a kind of MULTILAYER COMPOSITE and preparation method thereof, solve existing abrasion-proof pipe intensity low, manufacture difficulty is large, easily gets loose, technical problem easy to crack between stoneware pipe and metal tube.
The technical solution adopted for the present invention to solve the technical problems is:
The wear-resisting relief pipe of this MULTILAYER COMPOSITE, is composited by wear-resistant ceramic internal layer, microdilatancy binder course and metal outer from inside to outside successively;
The wear-resisting relief pipe of described MULTILAYER COMPOSITE is followed successively by undergauge section, straight length and extension diameter section from entry end to outlet end, respectively with entrance adpting flange and outlet adpting flange on the metal outer of entry end and outlet end.
The wear-resisting relief pipe of described MULTILAYER COMPOSITE is overall structure or sectional combination structure, and each segmentation of described sectional combination structure is welded to each other or is interconnected by the connection segment flange on metal outer.
Described entrance adpting flange is connected with end flange by bolt, and the internal diameter of the internal diameter of end flange and the wear-resisting relief pipe entry end of MULTILAYER COMPOSITE adapts.
The material of described wear-resistant ceramic internal layer is Zirconia reinforced alumina ceramic, high-purity alumina ceramic, high-purity zirconia pottery, silicon carbide ceramics or silicon nitride ceramics.
Described microdilatancy binder course obtains after being mixed by organic bonding material and micro-expansibility Active Filler White Carbon after grinding reaches median < 0.5 micron.
Described microdilatancy binder course, by after organic bonding material and micro-expansibility Active Filler White Carbon and deionized water 5 ~ 70:30 by weight ~ 75:10 ~ 40 mixing, obtains after grinding reaches median < 0.5 micron.
Described organic bonding material is polyvinyl acetate, acrylate, polyethyleneglycol, polyvinyl alcohol or Pioloform, polyvinyl acetal.
The raw materials by weight proportioning of described micro-expansibility Active Filler White Carbon is as follows:
High aluminium cement clinker 5 ~ 50%;
Karstenite 10 ~ 50%;
12 hydration sulphur potassium aluminates 1 ~ 6%;
Calcium hydroxide 2 ~ 30%;
Magnesium hydroxide 2 ~ 30%;
Bentonite clay 2 ~ 24%;
White clay 5 ~ 30%;
Sodium silicate or sodium metasilicate 1 ~ 6%;
Nano zine oxide 1 ~ 3%;
Nano silicon 1 ~ 5%;
Wollastonite powder 2 ~ 6%.
The preparation method of the wear-resisting relief pipe of this MULTILAYER COMPOSITE, first metal outer and wear-resistant ceramic internal layer are fixed respectively, microdilatancy binder course material is injected between wear-resistant ceramic internal layer and metal outer by high-pressure slip-casting mode, and carry out abundant maintenance, microdilatancy binder course passes through bonding effect and microdilatancy effect, by wear-resistant ceramic internal layer together with metal outer strong bonded.
The preparation process of described wear-resistant ceramic internal layer is as follows:
Step one, by wet grinding ceramic size, shaping by following two kinds of methods afterwards;
A, high-pressure slip-casting mode;
B, ceramic size are first prepared into the powder of certain granules rank by spray drying process, be then prepared into ceramic body by isostatic compaction mode;
Step 2, after the abundant drying of the ceramic body after shaping, enters high-temperature service and fires and become semi-finished product stoneware pipe;
Step 3, the semi-finished product stoneware pipe baked, carries out fine gtinding by grinding machine to inside and outside wall and two ends, reaches given size, namely obtain wear-resistant ceramic internal layer.
Beneficial effect of the present invention is as follows:
1, ceramic layer, binder course, metal layer are that gapless combines, product presents integrity, and inner ceramic is pressured state, and outer metal layer is tension state, take full advantage of the physical property that stupalith crushing resistance is good and metallic material ductility is good, there will not be internal and external layer to get loose phenomenon.
2, ceramic layer can adopt Zirconia reinforced alumina ceramic, and this model pottery inside is distributed with nanometer microscopic crack, and toughness of products and wear-resisting property make product have excellent durability, and comparatively conventional ceramic abrasion-proof pipe life of product improves more than 5 times.
3, microdilatancy binder course is mixed by organic bonding material and micro-expansibility Active Filler White Carbon, and this material possesses good adhesive property and microdilatancy performance simultaneously.The microdilatancy binder course material prepared injects between ceramic inner layer and metal outer by high-pressure slip-casting mode, and carry out abundant maintenance, binder course material, by bonding effect and microdilatancy effect, makes internal layer stupalith, binder course together with outer layer metal material strong bonded.
4, the wear-resisting relief pipe of MULTILAYER COMPOSITE can be sectional combination structure, and each segmentation is interconnected by the adpting flange on metal outer, thus facilitates the preparation of pipeline, improves the machining accuracy of pipeline.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of piecewise combination of the present invention.
Fig. 2 is the structural representation of segmentation in Fig. 1.
Fig. 3 is the structural representation of end flange.
Reference character: 1-wear-resistant ceramic internal layer, 2-microdilatancy binder course, 3-metal outer, 3.1-entrance adpting flange, 3.2-export adpting flange, 3.3-connection segment flange, 4-undergauge section, 5-straight length, 6-extension diameter section, 7-bolt, 8-end flange.
Embodiment
Embodiment is see shown in Fig. 1, Fig. 2, and the wear-resisting relief pipe of this MULTILAYER COMPOSITE, is composited by wear-resistant ceramic internal layer 1, microdilatancy binder course 2 and metal outer 3 from inside to outside successively.
The wear-resisting relief pipe of described MULTILAYER COMPOSITE is followed successively by undergauge section 4, straight length 5 and extension diameter section 6 from entry end to outlet end, respectively with entrance adpting flange 3.1 and outlet adpting flange 3.2 on the metal outer 3 of entry end and outlet end.
The wear-resisting relief pipe of described MULTILAYER COMPOSITE is sectional combination structure, and each segmentation of described sectional combination structure is interconnected by the connection segment flange 3.3 on metal outer 3.The wear-resisting relief pipe of MULTILAYER COMPOSITE also can be overall structure or segment welded structure.
The material of described wear-resistant ceramic internal layer 1 is Zirconia reinforced alumina ceramic, high-purity alumina ceramic (aluminium oxide accounts for weight ratio more than 85%), high-purity zirconia pottery, silicon carbide ceramics or silicon nitride ceramics, preferential oxidation zirconium reinforced alumina ceramic.
Described microdilatancy binder course, by after organic bonding material and micro-expansibility Active Filler White Carbon and deionized water 5 ~ 70:30 by weight ~ 75:10 ~ 40 mixing, obtains after grinding reaches median < 0.5 micron.
Described organic bonding material is polyvinyl acetate, acrylate, polyethyleneglycol, polyvinyl alcohol or Pioloform, polyvinyl acetal.
The pulp furnish example of described micro-expansibility Active Filler White Carbon is as follows:
1, the raw materials by weight proportioning of micro-expansibility Active Filler White Carbon is as follows:
High aluminium cement clinker 25%;
Karstenite 30%;
12 hydration sulphur potassium aluminates 3%;
Calcium hydroxide 16%;
Magnesium hydroxide 4%;
Bentonite clay 3%;
White clay 8%;
Sodium silicate or sodium metasilicate 3%;
Nano zine oxide 2%;
Nano silicon 2%;
Wollastonite powder 4%.
2, the raw materials by weight proportioning of micro-expansibility Active Filler White Carbon is as follows:
High aluminium cement clinker 5%;
Karstenite 50%;
12 hydration sulphur potassium aluminates 1%;
Calcium hydroxide 2%;
Magnesium hydroxide 16%;
Bentonite clay 13%;
White clay 5%;
Sodium silicate or sodium metasilicate 3%;
Nano zine oxide 1%;
Nano silicon 2%;
Wollastonite powder 2%.
3, the raw materials by weight proportioning of micro-expansibility Active Filler White Carbon is as follows:
High aluminium cement clinker 50%;
Karstenite 10%;
12 hydration sulphur potassium aluminates 6%;
Calcium hydroxide 3%;
Magnesium hydroxide 3%;
Bentonite clay 2%;
White clay 6%;
Sodium silicate or sodium metasilicate 6%;
Nano zine oxide 3%;
Nano silicon 5%;
Wollastonite powder 6%.
4, the raw materials by weight proportioning of micro-expansibility Active Filler White Carbon is as follows:
High aluminium cement clinker 5%;
Karstenite 10%;
12 hydration sulphur potassium aluminates 3%;
Calcium hydroxide 24%;
Magnesium hydroxide 24%;
Bentonite clay 24%;
White clay 5%;
Sodium silicate or sodium metasilicate 1%;
Nano zine oxide 1%;
Nano silicon 1%;
Wollastonite powder 2%.
Shown in Fig. 1,3, described entrance adpting flange 3.1 can be connected with end flange 8 by bolt 7, and the internal diameter of the internal diameter of end flange 8 and the wear-resisting relief pipe entry end of MULTILAYER COMPOSITE adapts.
The preparation method of the wear-resisting relief pipe of this MULTILAYER COMPOSITE, first metal outer 3 and wear-resistant ceramic internal layer 1 are fixed respectively, microdilatancy binder course 2 material is injected between wear-resistant ceramic internal layer 1 and metal outer 3 by high-pressure slip-casting mode, and carry out abundant maintenance, microdilatancy binder course 2 passes through bonding effect and microdilatancy effect, by wear-resistant ceramic internal layer 1 together with metal outer 3 strong bonded.
The preparation process of described wear-resistant ceramic internal layer 1 is as follows:
Step one, by wet grinding ceramic size, shaping by following two kinds of methods afterwards;
A, high-pressure slip-casting mode;
B, ceramic size are first prepared into the powder of certain granules rank by spray drying process, be then prepared into ceramic body by isostatic compaction mode;
Step 2, after the abundant drying of the ceramic body after shaping, enters high-temperature service and fires and become semi-finished product stoneware pipe;
Step 3, the semi-finished product stoneware pipe baked, carries out fine gtinding by grinding machine to inside and outside wall and two ends, reaches given size, namely obtain wear-resistant ceramic internal layer.
Claims (7)
1. a preparation method for the wear-resisting relief pipe of MULTILAYER COMPOSITE, is characterized in that: the wear-resisting relief pipe of MULTILAYER COMPOSITE, is composited successively from inside to outside by wear-resistant ceramic internal layer (1), microdilatancy binder course (2) and metal outer (3);
The wear-resisting relief pipe of described MULTILAYER COMPOSITE is followed successively by undergauge section (4), straight length (5) and extension diameter section (6) from entry end to outlet end, respectively with entrance adpting flange (3.1) and outlet adpting flange (3.2) on the metal outer (3) of entry end and outlet end;
First metal outer (3) and wear-resistant ceramic internal layer (1) are fixed respectively, microdilatancy binder course (2) material is injected between wear-resistant ceramic internal layer (1) and metal outer (3) by high-pressure slip-casting mode, and carry out abundant maintenance, microdilatancy binder course (2) by bonding effect and microdilatancy effect, by wear-resistant ceramic internal layer (1) together with metal outer (3) strong bonded.
2. the preparation method of the wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 1, it is characterized in that: the wear-resisting relief pipe of described MULTILAYER COMPOSITE is overall structure or sectional combination structure, each segmentation of described sectional combination structure is welded to each other or is interconnected by the connection segment flange (3.3) on metal outer (3).
3. the preparation method of the wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 1, it is characterized in that: described entrance adpting flange (3.1) is connected with end flange (8) by bolt (7), the internal diameter of the internal diameter of end flange (8) and the wear-resisting relief pipe entry end of MULTILAYER COMPOSITE adapts.
4. the preparation method of the wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 1, is characterized in that: the material of described wear-resistant ceramic internal layer (1) is Zirconia reinforced alumina ceramic, high-purity alumina ceramic, high-purity zirconia pottery, silicon carbide ceramics or silicon nitride ceramics.
5. the preparation method of the wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 1, it is characterized in that: described microdilatancy binder course (2), by after organic bonding material and micro-expansibility Active Filler White Carbon and deionized water 5 ~ 70:30 by weight ~ 75:10 ~ 40 mixing, obtains after grinding reaches median < 0.5 micron.
6. the preparation method of the wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 5, is characterized in that: described organic bonding material is polyvinyl acetate, acrylate, polyethyleneglycol, polyvinyl alcohol or Pioloform, polyvinyl acetal.
7. the preparation method of the wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 5, is characterized in that: the raw materials by weight proportioning of described micro-expansibility Active Filler White Carbon is as follows:
High aluminium cement clinker 5 ~ 50%;
Karstenite 10 ~ 50%;
12 hydration sulphur potassium aluminates 1 ~ 6%;
Calcium hydroxide 2 ~ 30%;
Magnesium hydroxide 2 ~ 30%;
Bentonite clay 2 ~ 24%;
White clay 5 ~ 30%;
Sodium silicate or sodium metasilicate 1 ~ 6%;
Nano zine oxide 1 ~ 3%;
Nano silicon 1 ~ 5%;
Wollastonite powder 2 ~ 6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009170.6A CN103727321B (en) | 2014-01-09 | 2014-01-09 | Wear-resisting relief pipe of MULTILAYER COMPOSITE and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009170.6A CN103727321B (en) | 2014-01-09 | 2014-01-09 | Wear-resisting relief pipe of MULTILAYER COMPOSITE and preparation method thereof |
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| CN103727321A CN103727321A (en) | 2014-04-16 |
| CN103727321B true CN103727321B (en) | 2015-10-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106321991B (en) * | 2015-07-07 | 2019-02-19 | 中国科学院金属研究所 | It is a kind of with the wear-and corrosion-resistant pipeline of double ceramic linings or pipe fitting and preparation method thereof |
| CN106115273B (en) * | 2016-08-16 | 2018-07-03 | 太原理工大学 | A kind of mining mortar delivery pipe road |
| CN106699113A (en) * | 2016-12-09 | 2017-05-24 | 郑州搜趣信息技术有限公司 | High-wear-resistant special ceramic and preparation method thereof |
| CN106587915A (en) * | 2016-12-09 | 2017-04-26 | 郑州搜趣信息技术有限公司 | High-wear-resistance ceramic material and preparation method thereof |
| CN107050906B (en) * | 2017-01-24 | 2022-06-10 | 曹海亮 | Pressure stabilizing protection spray head for corrosive fluid flash evaporation |
| CN112628255B (en) * | 2020-12-14 | 2022-08-26 | 岭南师范学院 | Metal ceramic conjugant and manufacturing method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6272923A (en) * | 1985-09-24 | 1987-04-03 | Mitsubishi Heavy Ind Ltd | Abrasion resisting material |
| DE3702062C1 (en) * | 1987-01-24 | 1988-05-19 | B & S Metalpraecis Gmbh | Pipe fitting |
| CN2886155Y (en) * | 2006-03-31 | 2007-04-04 | 上海沪冈真空泵制造有限公司 | Anticorrosion water injection vacuum pump |
| CN101397215A (en) * | 2008-06-23 | 2009-04-01 | 杜建耀 | Diatomaceous micropore ceramic filter cartridge and preparation method thereof |
| US20120160361A1 (en) * | 2010-12-28 | 2012-06-28 | George Fischer | Construction and Manufacturing of Long Tubes with Embedded Corrosion- and Wear-Resistant Coatings Applied Directly to the Interior Surfaces |
| CN202852220U (en) * | 2012-10-25 | 2013-04-03 | 冯炳辉 | Abrasion-resistant pipeline with ceramic lining |
| CN103351145A (en) * | 2013-06-28 | 2013-10-16 | 北京立高防水工程有限公司 | Expansive waterproof additive for concrete and preparation method of expansive waterproof additive |
| CN203641703U (en) * | 2014-01-09 | 2014-06-11 | 曹海亮 | Multilayer compound wear-resistant relief pipe |
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