CN111361224A - Preparation method of wear-resistant ceramic composite pipeline - Google Patents
Preparation method of wear-resistant ceramic composite pipeline Download PDFInfo
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- CN111361224A CN111361224A CN202010174399.0A CN202010174399A CN111361224A CN 111361224 A CN111361224 A CN 111361224A CN 202010174399 A CN202010174399 A CN 202010174399A CN 111361224 A CN111361224 A CN 111361224A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 128
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000006261 foam material Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 50
- 239000000758 substrate Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/14—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a face layer formed of separate pieces of material which are juxtaposed side-by-side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a preparation method of a wear-resistant ceramic composite pipeline, which comprises the following steps: A. cleaning the pipeline matrix, namely cleaning the inner wall of the pipeline matrix; B. preparing a core body, namely preparing a round rod-shaped core body by using a foam material; C. the ceramic blocks are attached, and the cuboid ceramic blocks are sequentially attached to the outer surface of the core body by using a binder, so that a ceramic layer is formed on the outer surface of the core body; D. the whole is compounded, a layer of adhesive is coated on the outer surface of the ceramic layer, and then the core body adhered with the ceramic layer is pushed into the pipeline matrix integrally; E. the preparation method of the composite pipeline effectively solves the problem that the ceramic block is inconvenient to attach to the inner wall of the pipeline base body, and can enable the ceramic block to be tightly attached to the inner wall of the pipeline base body, so that the quality of the composite pipeline is guaranteed, and the service life of the composite pipeline is prolonged.
Description
Technical Field
The invention relates to the field of wear-resistant pipelines, in particular to a preparation method of a wear-resistant ceramic composite pipeline.
Background
The wear-resistant ceramic composite pipeline is one of the wear-resistant pipelines which are used in the largest amount in the world at present. The high-alumina ceramic is used as an inner liner, a matrix pipeline is made of metal materials subjected to sand blasting and rust removal, and the high-alumina ceramic is combined with the metal matrix pipeline in an adhesive mode and used as a working surface. It has excellent wear resistance, corrosion resistance and heat resistance. The abrasion-resistant material conveying pipe is widely applied to material pipeline conveying in industries such as electric power, metallurgy, mines, coal, chemical industry and the like, is an ideal abrasion-resistant pipeline, and obtains great social and economic benefits.
The ceramic wear-resistant layer is the core part of the composite pipeline, and most of the conventional wear-resistant ceramic composite pipelines are formed by directly bonding a cuboid ceramic block unit to the inner wall of a matrix pipeline through a bonding agent to form a composite pipeline and take ceramic as a working surface to realize wear-resistant protection. In traditional wear-resisting ceramic composite pipe's preparation process, generally all paint the binder on ceramic block unit through the manual work, then attach ceramic block unit on the inside of pipeline base member, but through the attached ceramic block unit of this kind of method, can not guarantee to fasten every ceramic block unit and attach on the inner wall of pipeline base member, can lead to peripheral a plurality of ceramic block units to drop because of droing of single ceramic block unit in the use, thereby influence composite pipe's life, and when preparing to longer wear-resisting ceramic composite pipe, still be not convenient for carry out artifical attached, the degree of difficulty of operation has been increased, thereby can not guarantee composite pipe's quality.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a preparation method of a wear-resistant ceramic composite pipeline, which effectively solves the problem that a ceramic block is inconvenient to attach to the inner wall of a pipeline base body, and can be tightly attached to the inner wall of the pipeline base body, so that the quality of the composite pipeline is ensured, and the service life of the composite pipeline is prolonged.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a preparation method of a wear-resistant ceramic composite pipeline comprises the following steps:
A. cleaning a pipeline matrix, namely cleaning the inner wall of the pipeline matrix, and drying the inner wall of the pipeline matrix after rust removal, oil removal and dust removal treatment;
B. preparing a core body, namely preparing a round rod-shaped core body by using a foam material;
C. the ceramic blocks are attached, and the cuboid ceramic blocks are sequentially attached to the outer surface of the core body by using a binder, so that a ceramic layer is formed on the outer surface of the core body;
D. integrally compounding, namely after the ceramic block is tightly attached to the outer surface of the core body, coating a layer of adhesive on the outer surface of the ceramic layer, and pushing the core body attached with the ceramic layer into the pipeline matrix integrally;
E. and removing the core body, and after the core body adhered with the ceramic layer is integrally and tightly adhered to the inner wall of the pipeline base body, removing the foam material core body, thereby finishing the preparation of the wear-resistant ceramic composite pipeline.
Preferably, the length of the core is not less than that of the pipeline base body, so that the ceramic block can be conveniently attached to the core, the length of the formed ceramic layer can be consistent with that of the pipeline base body, the pipeline base body is integrally compounded, and the core attached with the ceramic block can be conveniently pushed into the pipeline base body.
Preferably, when attached ceramic block in step C, will be located the ceramic block parallel arrangement of same line and attach, will be two adjacent ceramic block staggered arrangement from top to bottom attached, receive when erodeing at the ceramic layer like this, attached because of two adjacent ceramic block staggered arrangement from top to bottom to can avoid leading to the bonding gap to be worn out fast because of erodeing, consequently can avoid ceramic block to drop by a large scale, thereby guarantee composite pipeline's quality, extension composite pipeline's life.
Preferably, in step D, before the core body to which the ceramic layer is attached is integrally pushed into the pipeline base body, the inner wall of the pipeline base body is coated with a layer of binder, and then the core body to which the ceramic layer is attached is integrally pushed into the pipeline base body, so that the condition that the core body to which the ceramic layer is attached is integrally pushed into the pipeline base body can be avoided, the binder on the outer surface is hung, the ceramic layer can be better attached to the inner wall of the pipeline base body, an even binder layer is formed between the ceramic layer and the inner wall of the pipeline base body, and the quality of the composite pipeline is ensured.
Preferably, the sum of the diameter of the core and the thickness of the ceramic block is smaller than the inner diameter of the pipeline matrix, a gap is reserved between the ceramic layer and the inner wall of the pipeline matrix, and the gap between the ceramic layer and the inner wall of the pipeline matrix is filled with a binder coated on the outer surface of the ceramic layer, so that the core body adhered with the ceramic layer is integrally pushed into the pipeline matrix, an even binder layer is formed between the ceramic layer and the inner wall of the pipeline matrix, and the quality of the composite pipeline is guaranteed.
Preferably, in step D, when pushing the whole core body that will paste the ceramic layer inside the pipeline base member, make the whole slow screw in that turns up to inside the pipeline base member of pasting the core body that has the ceramic layer, be convenient for like this push the whole core body that will paste the ceramic layer inside the pipeline base member to avoid the binder to be extruded, can form even binder layer between ceramic layer and pipeline base member inner wall, thereby guarantee the quality of composite conduit.
Compared with the prior art, the preparation method of the wear-resistant ceramic composite pipeline has the beneficial effects that: through the ceramic block with the cuboid form use the binder to attach in proper order on the core that foam prepared, thereby form one side ceramic layer on the core surface, then the core that will paste the ceramic layer uses the binder whole to push to pipeline base member inside, make the ceramic layer attached on the inner wall of pipeline base member, thereby can effectually solve the problem that the ceramic block is not convenient for attach on pipeline base member inner wall, can make the fastening of ceramic block attach on pipeline base member inner wall, simultaneously can also reduce operating personnel's intensity of labour, reduce the degree of difficulty of operation, thereby guarantee the quality of composite pipe, prolong composite pipe's life.
Drawings
FIG. 1 is a schematic structural view of a wear-resistant ceramic composite pipe;
FIG. 2 is a schematic structural diagram of a core body with a ceramic layer attached thereto pushed into a pipeline substrate in the method for manufacturing a wear-resistant ceramic composite pipeline of the present invention;
fig. 3 is a schematic structural diagram of a ceramic block attached to a core body in the preparation method of the wear-resistant ceramic composite pipeline.
In the figure, 1-the tube substrate, 2-the core, 3-the ceramic block, 4-the ceramic layer, 5-the first adhesive layer, 6-the second adhesive layer.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the wear-resistant ceramic composite pipe comprises an outer pipe substrate 1 and an inner ceramic layer 4, wherein the pipe substrate 1 and the ceramic layer 4 are bonded through a first binder layer 5, and the ceramic layer 4 is formed by combining a plurality of rectangular ceramic blocks 3.
As shown in fig. 2 and fig. 3, the method for preparing a wear-resistant ceramic composite pipe provided by the invention comprises the following steps:
A. cleaning the pipeline base body 1, cleaning the inner wall of the pipeline base body 1, and drying the inner wall of the pipeline base body 1 after carrying out rust removal, oil removal and dust removal treatment on the inner wall;
B. preparing a core body 2, namely preparing a round rod-shaped core body 2 by using a foam material;
C. the ceramic blocks 3 are attached, the cuboid-shaped ceramic blocks 3 are sequentially attached to the outer surface of the core body 2 through the adhesive, so that a ceramic layer 4 is formed on the outer surface of the core body 2, a second adhesive layer 6 is formed between the ceramic layer 4 and the outer surface of the core body 2, and the adhesive is filled between gaps of two adjacent ceramic blocks 3, so that an operator can fasten the ceramic blocks 3 to the outer surface of the core body 2 conveniently, the operator can operate the ceramic blocks conveniently, and the attachment difficulty of the ceramic blocks 3 is greatly reduced;
D. the whole is compounded, after the ceramic block 3 is tightly attached to the outer surface of the core body 2, namely after the binder is dried, the ceramic block 3 is fixed on the surface of the core body 2, then a layer of binder is coated on the outer surface of the ceramic layer 4, and then the core body 2 adhered with the ceramic layer 4 is integrally pushed into the pipeline base body 1;
E. and removing the core body 2, after the core body 2 adhered with the ceramic layer 4 is integrally and tightly adhered to the inner wall of the pipeline base body 1, namely after the binder is dried, fixing the ceramic layer 4 on the inner wall of the pipeline base body 1, and removing the foam material core body 2, namely, completing the preparation of the wear-resistant ceramic composite pipeline.
As shown in fig. 2 and fig. 3, in the method for manufacturing a wear-resistant ceramic composite pipe according to the present invention, the length of the core 2 is not less than the length of the pipe base 1. And C, when the ceramic blocks 3 are attached in the step C, the ceramic blocks 3 in the same row are arranged in parallel for attachment, and the upper and lower adjacent ceramic blocks 3 are arranged in a staggered manner for attachment. In the step D, before the core body 2 attached with the ceramic layer 4 is pushed into the pipeline base body 1 as a whole, a layer of adhesive is coated on the inner wall of the pipeline base body 1, and then the core body 2 attached with the ceramic layer 4 is pushed into the pipeline base body 1 as a whole. The sum of the diameter of the core body 2 and the thickness of the ceramic block 3 is smaller than the inner diameter of the pipeline base body 1, a gap is reserved between the ceramic layer 4 and the inner wall of the pipeline base body 1, and the gap between the ceramic layer 4 and the inner wall of the pipeline base body 1 is filled by a binder coated on the outer surface of the ceramic layer 4. In the step D, when the whole core body 2 attached with the ceramic layer 4 is pushed into the pipeline base body 1, the whole core body 2 attached with the ceramic layer 4 is slowly rotated and screwed into the pipeline base body 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (6)
1. A preparation method of a wear-resistant ceramic composite pipeline is characterized by comprising the following steps: the method comprises the following steps:
A. cleaning the pipeline base body (1), namely cleaning the inner wall of the pipeline base body (1), and drying the inner wall of the pipeline base body (1) after rust removal, oil removal and dust removal treatment;
B. preparing a core (2), namely preparing a round rod-shaped core (2) by using a foam material;
C. the ceramic blocks (3) are attached, and the cuboid ceramic blocks (3) are sequentially attached to the outer surface of the core body (2) by using an adhesive, so that a ceramic layer (4) is formed on the outer surface of the core body (2);
D. integrally compounding, namely after the ceramic block (3) is tightly attached to the outer surface of the core body (2), coating a layer of adhesive on the outer surface of the ceramic layer (4), and pushing the core body (2) with the ceramic layer (4) integrally into the pipeline base body (1);
E. and removing the core body (2), and after the core body (2) adhered with the ceramic layer (4) is integrally and tightly adhered to the inner wall of the pipeline base body (1), removing the foam material core body (2), thereby finishing the preparation of the wear-resistant ceramic composite pipeline.
2. The method of claim 1, wherein the step of forming the composite conduit comprises: the length of the core body (2) is not less than that of the pipeline base body (1).
3. The method of claim 1, wherein the step of forming the composite conduit comprises: and C, when the ceramic blocks (3) are attached, arranging the ceramic blocks (3) in the same row in parallel for attachment, and arranging the upper and lower adjacent ceramic blocks (3) in a staggered manner for attachment.
4. The method of claim 1, wherein the step of forming the composite conduit comprises: and in the step D, before the core body (2) adhered with the ceramic layer (4) is integrally pushed into the pipeline base body (1), coating a layer of adhesive on the inner wall of the pipeline base body (1) and then pushing the core body (2) adhered with the ceramic layer (4) into the pipeline base body (1).
5. The method of manufacturing a wear-resistant ceramic composite pipe according to claim 1 or 2, wherein: the sum of the diameter of the core body (2) and the thickness of the ceramic block (3) is smaller than the inner diameter of the pipeline base body (1), a gap is reserved between the ceramic layer (4) and the inner wall of the pipeline base body (1), and the gap between the ceramic layer (4) and the inner wall of the pipeline base body (1) is filled by a binder coated on the outer surface of the ceramic layer (4).
6. The method of manufacturing a wear-resistant ceramic composite pipe according to claim 1 or 4, wherein: and D, when the core body (2) adhered with the ceramic layer (4) is pushed into the pipeline base body (1) integrally, the core body (2) adhered with the ceramic layer (4) is rotated slowly and screwed into the pipeline base body (1) integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010174399.0A CN111361224A (en) | 2020-03-13 | 2020-03-13 | Preparation method of wear-resistant ceramic composite pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010174399.0A CN111361224A (en) | 2020-03-13 | 2020-03-13 | Preparation method of wear-resistant ceramic composite pipeline |
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| CN111361224A true CN111361224A (en) | 2020-07-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286265Y (en) * | 1997-05-30 | 1998-07-15 | 王建江 | Ceramic lining composite tube |
| CN1635294A (en) * | 2003-12-26 | 2005-07-06 | 山东中博先进材料股份有限公司 | Ceramic and glass reinforced plastic composite tube and preparing method thereof |
| CN201818916U (en) * | 2010-08-31 | 2011-05-04 | 林北 | Novel plastic/rubber-lined wear-resistant ceramic composite desulfurization pipe |
| CN202561283U (en) * | 2012-06-01 | 2012-11-28 | 淮北巨盾矿山机械有限公司 | Wear-resisting ceramics composited tube |
| CN202629358U (en) * | 2012-04-25 | 2012-12-26 | 山东博润工业技术股份有限公司 | Anti-scouring wear-resistant ceramic composite pipeline |
-
2020
- 2020-03-13 CN CN202010174399.0A patent/CN111361224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286265Y (en) * | 1997-05-30 | 1998-07-15 | 王建江 | Ceramic lining composite tube |
| CN1635294A (en) * | 2003-12-26 | 2005-07-06 | 山东中博先进材料股份有限公司 | Ceramic and glass reinforced plastic composite tube and preparing method thereof |
| CN201818916U (en) * | 2010-08-31 | 2011-05-04 | 林北 | Novel plastic/rubber-lined wear-resistant ceramic composite desulfurization pipe |
| CN202629358U (en) * | 2012-04-25 | 2012-12-26 | 山东博润工业技术股份有限公司 | Anti-scouring wear-resistant ceramic composite pipeline |
| CN202561283U (en) * | 2012-06-01 | 2012-11-28 | 淮北巨盾矿山机械有限公司 | Wear-resisting ceramics composited tube |
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Application publication date: 20200703 |