CN103727321A - Multi-layer composite wear-resistant pressure reduction pipe and manufacturing method thereof - Google Patents
Multi-layer composite wear-resistant pressure reduction pipe and manufacturing method thereof Download PDFInfo
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- CN103727321A CN103727321A CN201410009170.6A CN201410009170A CN103727321A CN 103727321 A CN103727321 A CN 103727321A CN 201410009170 A CN201410009170 A CN 201410009170A CN 103727321 A CN103727321 A CN 103727321A
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- wear
- layer
- multilayer composite
- relief pipe
- ceramic
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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
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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
- B28B21/70—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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a multi-layer composite wear-resistant pressure reduction pipe and a manufacturing method of the multi-layer composite wear-resistant pressure reduction pipe. The multi-layer composite wear-resistant pressure reduction pipe is sequentially formed by a wear-resistant ceramic inner layer, a micro-expansion combination layer and a metal outer layer from inside to outside in a composite mode. The multi-layer composite wear-resistant pressure reduction pipe sequentially comprises a diameter reduction section, a straight pipe section and a diameter increasing section from the inlet end to the outlet end, and the portion, located at the inlet end, of the metal outer layer and the portion, located at the outlet end, of the metal outer layer are provided with an inlet connecting flange and an outlet connecting flange respectively. The wear-resistant ceramic inner layer, the combination layer and the metal outer layer are seamlessly combined, integrality of the product is embodied, and the phenomenon that the inner layer and the outer layer are loosened can not occur. The ceramic layer can be made of zirconia toughened alumina ceramic, and excellent durability of the product is achieved due to the rigidity and wear resistance of the product. The inner layer ceramic material, the combination layer and the outer layer metal material are firmly combined together due to the micro-expansion combination layer through the adhering action and the micro-expansion action. The multi-layer composite wear-resistant pressure reduction pipe can be of a multi-section combination structure, and therefore a pipeline can be conveniently manufactured, and machining accuracy of the pipeline is improved.
Description
Technical field
The present invention relates to the abrasion-proof pipe using in a kind of coal liquefaction production, 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 liquefaction production line, and for improving the wear-resisting and corrosion resistance of metal conveyance conduit, prior art is mainly to make pottery, metal composite pipe.The preparation process of existing pottery, metal composite pipe mainly contains following two kinds:
One, in metal pipe internal wall, pasting ceramics, in use there is following some deficiency in this product:
1, the ceramics that pastes does not have integrity, easily comes off;
2, can not carry large particle material;
3, can not be hit;
4, combined and spliced manufacture difficulty is large.
Two, at stoneware pipe outer wall, apply binder or both are bonding at metal conduit inwall coated with adhesive.Between composite pipe stoneware pipe prepared by this technique and metal tube, easily get loose, when conveying high-pressure stream material, first stoneware pipe bears high pressure, and the tensility of stoneware pipe is poor, thereby owing to existing gap to be prone to the problems such as stoneware pipe splits between stoneware pipe and metal tube.
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, on the metal outer of entry end and outlet end respectively with entrance adpting flange and outlet adpting flange.
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 wear-resisting relief pipe entry end of the internal diameter of end flange and 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.
After described microdilatancy binder course is mixed by organic bonding material and micro-expansibility Active Filler White Carbon, through grinding after reaching 0.5 micron of meta particle diameter <, obtain.
After described microdilatancy binder course is mixed by weight 5～70:30～75:10～40 by organic bonding material and micro-expansibility Active Filler White Carbon and deionized water, through grinding after reaching 0.5 micron of meta particle diameter <, obtain.
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%;
Sodium silicate or sodium metasilicate 1～6%;
The preparation method of the wear-resisting relief pipe of this MULTILAYER COMPOSITE, first by fixing respectively to metal outer and wear-resistant ceramic internal layer, 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 is by 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:
A, high-pressure slip-casting mode;
B, ceramic size are first prepared into the powder of certain granules grating by spray drying process, then by isostatic compaction mode, be prepared into ceramic body;
Beneficial effect of the present invention is as follows:
1, ceramic layer, binder course, metal layer are gapless combination, 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 the internal and external layer phenomenon that gets loose.
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, compared with conventional ceramic abrasion-proof pipe life of product, improve 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 preparing 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, thereby 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 segmentation 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-outlet 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 referring to 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, on the metal outer 3 of entry end and outlet end respectively with entrance adpting flange 3.1 and outlet adpting flange 3.2.
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 and exceedes 85%), high-purity zirconia pottery, silicon carbide ceramics or silicon nitride ceramics, preferential oxidation zirconium reinforced alumina ceramic.
After described microdilatancy binder course is mixed by weight 5～70:30～75:10～40 by organic bonding material and micro-expansibility Active Filler White Carbon and deionized water, through grinding after reaching 0.5 micron of meta particle diameter <, obtain.
Described organic bonding material is polyvinyl acetate, acrylate, polyethyleneglycol, polyvinyl alcohol or Pioloform, polyvinyl acetal.
The raw material proportioning 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%;
Sodium silicate or sodium metasilicate 3%;
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%;
Magnesium hydroxide 16%;
Bentonite clay 13%;
Sodium silicate or sodium metasilicate 3%;
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%;
White clay 6%;
Sodium silicate or sodium metasilicate 6%;
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%;
Sodium silicate or sodium metasilicate 1%;
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 wear-resisting relief pipe entry end of the internal diameter of end flange 8 and MULTILAYER COMPOSITE adapts.
The preparation method of the wear-resisting relief pipe of this MULTILAYER COMPOSITE, first by fixing respectively to metal outer 3 and wear-resistant ceramic internal layer 1, microdilatancy binder course 2 materials are 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 is by 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:
A, high-pressure slip-casting mode;
B, ceramic size are first prepared into the powder of certain granules grating by spray drying process, then by isostatic compaction mode, be prepared into ceramic body;
Claims (9)
1. the wear-resisting relief pipe of MULTILAYER COMPOSITE, is characterized in that: by wear-resistant ceramic internal layer (1), microdilatancy binder course (2) and metal outer (3), be composited successively from inside to outside;
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, on the metal outer (3) of entry end and outlet end respectively with entrance adpting flange (3.1) and outlet adpting flange (3.2).
2. 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 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 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 wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 1, it is characterized in that: after described microdilatancy binder course (2) is mixed by weight 5～70:30～75:10～40 by organic bonding material and micro-expansibility Active Filler White Carbon and deionized water, through grinding after reaching 0.5 micron of meta particle diameter <, obtain.
6. 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 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%.
8. a preparation method for the wear-resisting relief pipe of MULTILAYER COMPOSITE as described in claim 1～7 any one, is characterized in that:
First by fixing respectively to metal outer (3) and wear-resistant ceramic internal layer (1), 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) is by bonding effect and microdilatancy effect, by wear-resistant ceramic internal layer (1) together with metal outer (3) strong bonded.
9. the preparation method of the wear-resisting relief pipe of MULTILAYER COMPOSITE according to claim 8, is characterized in that: the preparation process of described wear-resistant ceramic internal layer (1) is as follows:
Step 1, by wet grinding ceramic size, afterwards by following two kinds of method moulding;
A, high-pressure slip-casting mode;
B, ceramic size are first prepared into the powder of certain granules grating by spray drying process, then by isostatic compaction mode, be prepared into ceramic body;
Step 2, after the ceramic body after moulding is fully dry, enters high-temperature service and fires and become semi-finished product stoneware pipe;
Step 3, the semi-finished product stoneware pipe baking, carries out fine gtinding by grinding machine to inside and outside wall and two ends, reaches given size, obtains wear-resistant ceramic internal layer.
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| 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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| 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115273A (en) * | 2016-08-16 | 2016-11-16 | 攀枝花市九鼎智远知识产权运营有限公司 | A kind of mining mortar delivery pipe road |
| 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 |
| 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 |
| CN107050906A (en) * | 2017-01-24 | 2017-08-18 | 曹海亮 | The voltage-stabilizing protection shower nozzle flashed for corrosive fluid |
| 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 |
| CN112628255A (en) * | 2020-12-14 | 2021-04-09 | 岭南师范学院 | Metal ceramic conjugant and manufacturing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
| 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 |
| CN107050906A (en) * | 2017-01-24 | 2017-08-18 | 曹海亮 | The voltage-stabilizing protection shower nozzle flashed for corrosive fluid |
| CN112628255A (en) * | 2020-12-14 | 2021-04-09 | 岭南师范学院 | Metal ceramic conjugant and manufacturing method thereof |
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|---|---|
| CN103727321B (en) | 2015-10-21 |
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