CN213656009U - Wear-resisting elbow of carborundum pipeline - Google Patents
Wear-resisting elbow of carborundum pipeline Download PDFInfo
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- CN213656009U CN213656009U CN202022780728.4U CN202022780728U CN213656009U CN 213656009 U CN213656009 U CN 213656009U CN 202022780728 U CN202022780728 U CN 202022780728U CN 213656009 U CN213656009 U CN 213656009U
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Abstract
The utility model discloses a silicon carbide pipeline wear-resistant elbow, which comprises a elbow body, wherein the elbow body comprises a ceramic layer, a transition layer and a supporting layer which are sequentially arranged from inside to outside, a clamping strip which is positioned at the outer side of the ceramic layer is arranged in a strip-shaped clamping groove at the inner side of the supporting layer, the clamping strip is an arc-shaped bulge, and the height of the clamping strip is lower than that of the clamping groove; the elbow pipe body comprises a plurality of connected single pipes, wherein one side of each single pipe is provided with an annular limiting groove located on the ceramic layer, the other side of each single pipe is provided with an annular limiting protrusion located on the ceramic layer, and the limiting grooves are connected with the limiting protrusions in a matched mode. The utility model discloses a foretell wear-resisting elbow of carborundum pipeline, simple structure can guarantee that the potsherd is stable to be connected in the pipeline.
Description
Technical Field
The utility model belongs to the technical field of wear-resisting pipe technique and specifically relates to a wear-resisting elbow of carborundum pipeline is related to.
Background
The elbow is a pipe fitting for changing the direction of a pipeline, is a commonly used connecting pipe fitting in pipeline installation, is used for connecting two pipes with the same or different nominal diameters, and enables the pipeline to turn at a certain angle, so that the metal elbows have different purposes and different quality requirements. Enterprises such as coal powder conveying of a thermal power plant, sintering and dust removal of ferrous metallurgy, cement plants and the like are used for conveying pipelines for removing powdery materials, and the elbows need to be subjected to wear-resistant treatment.
The ceramic piece and the metal piece are combined tightly in the existing wear-resistant pipeline lining silicon carbide ceramic/steel composite wear-resistant elbow, but the silicon carbide ceramic piece is easy to fall off due to different expansion coefficients of the silicon carbide and the steel pipe, so that the wear-resistant layer fails.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wear-resisting elbow of carborundum pipeline, simple structure can guarantee that the potsherd is stable to be connected in the pipeline.
In order to achieve the purpose, the utility model provides a silicon carbide pipeline wear-resistant elbow, which comprises an elbow body, wherein the elbow body comprises a ceramic layer, a transition layer and a supporting layer which are sequentially arranged from inside to outside;
the elbow pipe body comprises a plurality of connected single pipes, wherein one side of each single pipe is provided with an annular limiting groove located on the ceramic layer, the other side of each single pipe is provided with an annular limiting protrusion located on the ceramic layer, and the limiting grooves are connected with the limiting protrusions in a matched mode.
Preferably, the two sides of the single pipe are also provided with sealing rings positioned on the supporting layer, and the sealing rings are positioned on the inner sides of the limiting grooves or the limiting protrusions.
Preferably, the thickness of the ceramic layer is greater than that of the transition layer, and the thickness of the support layer is greater than that of the transition layer.
Preferably, the number of the card slots is 3.
Preferably, the supporting layer is made of steel.
Therefore, the utility model adopts the above-mentioned wear-resisting elbow of carborundum pipeline, simple structure can guarantee that the potsherd is stable to be connected in the pipeline.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a side view of an embodiment of a silicon carbide wear-resistant elbow of the present invention;
fig. 2 is a cross-sectional view of an embodiment of a wear-resistant elbow for a silicon carbide pipe according to the present invention;
fig. 3 is a cross-sectional view of an embodiment of a wear-resistant elbow for a silicon carbide pipe according to the present invention.
Description of the reference numerals
1. A ceramic layer; 2. a transition layer; 3. a support layer; 4. a card slot; 5. clamping the strip; 6. a single tube; 7. a limiting groove; 8. a limiting protrusion; 9. and (4) a sealing ring.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in the figure, a wear-resisting elbow of carborundum pipeline, including the return bend body, the return bend body includes ceramic layer 1, transition layer 2 and the supporting layer 3 that sets gradually from inside to outside, and the material of supporting layer 3 is the steel, for wholly providing the support. The thickness of the ceramic layer 1 is larger than that of the transition layer 2, and the thickness of the support layer 3 is larger than that of the transition layer 2. During processing, after the ceramic layer 1 is embedded into the supporting layer 3, the high-temperature-resistant bonding liquid is added between the ceramic layer 1 and the supporting layer 3, so that stable connection between the ceramic layer 1 and the supporting layer 3 is realized, and deformation caused by different expansion coefficients between the ceramic layer 1 and the supporting layer 3 is prevented.
The strip-shaped clamping grooves 4 on the inner side of the supporting layer 3 are internally provided with clamping strips 5 protruding out of the ceramic layer 1, and the ceramic layer 1 is stably connected with the supporting layer 3 through the clamping strips 5 and the clamping grooves 4. The quantity of draw-in groove 4 is 3 to evenly distributed is on supporting layer 3, guarantees ceramic layer 1 stable connection in supporting layer 3. Card strip 5 is the arc arch to card strip 5 highly is less than the height of draw-in groove 4, makes card strip 5 realize ceramic layer 1 stable connection the time, provides the deformation space for ceramic layer 1's micro deformation.
The elbow body comprises a plurality of connected single tubes 6, wherein one side of each single tube 6 is provided with an annular limiting groove 7 located on the ceramic layer 1, the other side of each single tube 6 is provided with an annular limiting protrusion 8 located on the ceramic layer 1, the limiting groove 7 is connected with the limiting protrusion 8 in a matched mode, and connection between the ceramic layers 1 on the single tubes 6 is achieved through connection between the limiting groove 7 and the limiting protrusion 8. In addition, the supporting layers 3 on the single tubes 6 are connected by welding. The two sides of the single tubes 6 are also provided with sealing rings 9 positioned on the supporting layer 3, and the sealing rings 9 are used for the stable connection between the single tubes 6. The sealing ring 9 is positioned on the inner side of the limiting groove 7 or the limiting protrusion 8, so that the connection stability between the ceramic layers 1 is improved, and materials are prevented from leaking outwards.
Therefore, the utility model adopts the above-mentioned wear-resisting elbow of carborundum pipeline, simple structure can guarantee that the potsherd is stable to be connected in the pipeline.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a wear-resisting elbow of carborundum pipeline which characterized in that: the bent pipe comprises a bent pipe body, wherein the bent pipe body comprises a ceramic layer, a transition layer and a supporting layer which are sequentially arranged from inside to outside, a clamping strip protruding out of the ceramic layer is arranged in a strip-shaped clamping groove on the inner side of the supporting layer, the clamping strip is an arc-shaped bulge, and the height of the clamping strip is lower than that of the clamping groove;
the elbow pipe body comprises a plurality of connected single pipes, wherein one side of each single pipe is provided with an annular limiting groove located on the ceramic layer, the other side of each single pipe is provided with an annular limiting protrusion located on the ceramic layer, and the limiting grooves are connected with the limiting protrusions in a matched mode.
2. The silicon carbide pipe wear-resistant elbow according to claim 1, wherein: and sealing rings positioned on the supporting layer are also arranged on two sides of the single pipe, and the sealing rings are positioned on the inner sides of the limiting grooves or the limiting protrusions.
3. The silicon carbide pipe wear-resistant elbow according to claim 1, wherein: the thickness of the ceramic layer is larger than that of the transition layer, and the thickness of the supporting layer is larger than that of the transition layer.
4. The silicon carbide pipe wear-resistant elbow according to claim 1, wherein: the quantity of draw-in groove is 3.
5. The silicon carbide pipe wear-resistant elbow according to claim 1, wherein: the supporting layer is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022780728.4U CN213656009U (en) | 2020-11-26 | 2020-11-26 | Wear-resisting elbow of carborundum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022780728.4U CN213656009U (en) | 2020-11-26 | 2020-11-26 | Wear-resisting elbow of carborundum pipeline |
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| CN213656009U true CN213656009U (en) | 2021-07-09 |
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| CN202022780728.4U Active CN213656009U (en) | 2020-11-26 | 2020-11-26 | Wear-resisting elbow of carborundum pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143335A (en) * | 2022-08-02 | 2022-10-04 | 中国矿业大学 | Asymmetric spherical pipeline elbow for pneumatic conveying |
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2020
- 2020-11-26 CN CN202022780728.4U patent/CN213656009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143335A (en) * | 2022-08-02 | 2022-10-04 | 中国矿业大学 | Asymmetric spherical pipeline elbow for pneumatic conveying |
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