CN211118257U - Repairing structure of rubber-lined pipeline - Google Patents
Repairing structure of rubber-lined pipeline Download PDFInfo
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- CN211118257U CN211118257U CN201922393168.4U CN201922393168U CN211118257U CN 211118257 U CN211118257 U CN 211118257U CN 201922393168 U CN201922393168 U CN 201922393168U CN 211118257 U CN211118257 U CN 211118257U
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Abstract
A repair construction for a rubber lined pipe, comprising: the arc-shaped plate is provided with an inner arc surface and an outer arc surface which are opposite, the diameter of the circumference where the outer arc surface is located is matched with the inner diameter of the rubber lining pipeline, the outer arc surface is attached with a rubber plate layer, and the rubber plate layer is tightly attached to the rubber lining on the inner side of the rubber lining pipeline; one end of the connecting rod penetrates through the rubber plate layer and then is connected to the middle part of the outer arc surface of the arc-shaped plate, and the other end of the connecting rod penetrates out of the crevasse of the rubber-lined pipeline; and the locking part is connected with the part of the connecting rod penetrating out of the rubber lining pipeline to be repaired and used for applying acting force towards the outer side of the rubber lining pipeline to be repaired to the connecting rod so as to enable the rubber layer to press the rubber lining on the inner side of the rubber lining pipeline. The repairing structure can be used for temporarily repairing the lining rubber of the perforated part which is limited in the defect position and cannot be repaired by the conventional process, so that the base body at the defect position is prevented from being continuously corroded. In addition, the adoption of the repairing structure can carry out emergency repair on the crevasse position of the lining rubber pipeline in a short time.
Description
Technical Field
The utility model relates to a chemical industry field lining rubber pipe's repair technical field, concretely relates to lining rubber pipe's repair structure.
Background
The rubber lining equipment is widely used in nuclear power, particularly in a seawater system and an acid-base system, the rubber lining is one of the most main anticorrosion processes, and has the advantages of good chemical resistance, high elasticity, wear resistance, cavitation resistance, adaptation to alternate deformation and temperature change and the like. However, the base body of the rubber lining equipment is generally made of common carbon steel, once the rubber lining is damaged, internal media (such as seawater and acid liquor) and the like can rapidly corrode the base body to cause perforation. After perforation, the power plant needs to repair the crevasses as soon as possible so as to avoid influencing the operation of the unit.
The general perforated rubber-lined pipeline repair comprises two parts, namely external plugging reinforcement to prevent a medium from continuously leaking; and secondly, repairing the interior of the pipeline to prevent the medium from continuously contacting with the exposed metal matrix at the damaged part, so that the corrosion defect is further enlarged.
The conventional pipe inner lining rubber repairing process requires high requirements on the pipe inner surface treatment, and the conventional repairing process cannot be used when the defect position cannot be effectively polished for some small-diameter pipes (such as pipes with the diameter less than 400 mm) or pipes with limited positions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a repair structure of lining rubber pipeline that the structure is simple and easy, low in manufacturing cost, easy and simple to handle is provided, it can be used to defect position limited, during unable surface treatment, carries out inside restoration to fenestrate lining rubber defect to compensate traditional handicraft not enough.
In order to solve the technical problem, the utility model provides a technical scheme who adopts provides a lining rubber pipeline's repair structure, a serial communication port, it includes to repair the structure:
the rubber lining pipeline comprises an arc-shaped plate, a rubber lining layer and a rubber plate layer, wherein the arc-shaped plate is provided with an inner arc surface and an outer arc surface which are opposite, the diameter of the circumference where the outer arc surface is located is matched with the inner diameter of the rubber lining pipeline, and the rubber plate layer is attached to the outer arc surface and is tightly attached to the rubber lining on the inner side of the rubber lining pipeline;
one end of the connecting rod penetrates through the rubber plate layer and then is connected to the middle of the outer arc surface of the arc-shaped plate, and the other end of the connecting rod penetrates out of the crevasse of the rubber lining pipeline;
and the locking piece is connected with the part of the connecting rod penetrating out of the rubber lining pipeline and is used for applying acting force towards the outer side of the rubber lining pipeline to the connecting rod so as to enable the rubber plate layer to press the rubber lining on the inner side of the rubber lining pipeline.
The utility model provides an among the repair structure of lining rubber pipeline, the plywood layer with through gluing agent adhesion between the inboard lining rubber of lining rubber pipeline.
The utility model provides an among the repair structure of lining rubber pipe way, be with the multilayer on the extrados rubber layer.
The utility model provides an among the repair structure of lining rubber pipeline, the thickness of plywood layer is 5 +/-1 mm.
The utility model provides an among the repair structure of lining rubber pipeline, the plywood layer is the prevulcanization plywood.
The utility model provides an among the repair structure of rubber lining pipeline, the one end of plywood layer with the distance between the neighbouring breach department one end of the inboard rubber lining of rubber lining pipeline is 10mm at least.
The utility model provides an among the repair structure of rubber-lined pipeline, repair the structure still including fill in plywood layer with soft clay layer between the inboard of rubber-lined pipeline.
The utility model provides an among the repair structure of lining rubber pipeline, repair the structure still including fill in the connecting rod with metal repairing agent between the lining rubber pipeline.
In the repairing structure of the rubber-lined pipeline provided by the utility model, the connecting rod is a stud; the locking piece is a bolt.
In the repairing structure of the rubber-lined pipeline provided by the utility model, the repairing structure also comprises a gasket arranged between the locking piece and the outer side of the rubber-lined pipeline; the locking piece is tightly abutted with the gasket, and the gasket is tightly abutted with the outer side of the rubber-lined pipeline.
Implement the utility model provides a lining rubber pipeline's repair structure can reach following beneficial effect: the repair structure includes: the rubber lining pipeline comprises an arc-shaped plate, a rubber lining layer and a rubber plate layer, wherein the arc-shaped plate is provided with an inner arc surface and an outer arc surface which are opposite, the diameter of the circumference where the outer arc surface is located is matched with the inner diameter of the rubber lining pipeline, and the rubber plate layer is attached to the outer arc surface and is tightly attached to the rubber lining on the inner side of the rubber lining pipeline; one end of the connecting rod penetrates through the rubber plate layer and then is connected to the middle of the outer arc surface of the arc-shaped plate, and the other end of the connecting rod penetrates out of the crevasse of the rubber lining pipeline; and the locking piece is connected with the part of the connecting rod penetrating out of the rubber lining pipeline and is used for applying acting force towards the outer side of the rubber lining pipeline to the connecting rod so as to enable the rubber plate layer to press the rubber lining on the inner side of the rubber lining pipeline. The repairing structure can be used for temporarily repairing the lining rubber of the perforated part which is limited in the defect position and cannot be repaired by the conventional process, so that the base body at the defect position is prevented from being continuously corroded. In addition, the adoption of the repairing structure can carry out emergency repair on the crevasse position of the lining rubber pipeline in a short time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:
fig. 1 is a reference diagram of a use state of a repairing structure of a rubber-lined pipeline provided by the present invention;
fig. 2 is a schematic view of a combination of the arc-shaped plate and the connecting rod in the repairing structure of the rubber-lined pipeline provided by the present invention.
The reference numerals in the detailed description illustrate:
| arc- |
11 | Connecting |
5 |
| |
18 | Inner arc surface | 1 |
| |
3 | |
2 |
| |
14 | |
12 |
| |
4 | |
15 |
| |
16 | |
17 |
| Rubber-lined |
13 |
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Exemplary embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It should be noted that the repairing structure of the rubber lining pipeline 13 provided in this embodiment is suitable for repairing rubber lining 12 equipment in a nuclear power plant, and particularly, in the case that some small-diameter pipelines (such as pipelines with a diameter smaller than 400 mm) or pipelines with limited positions cannot ensure effective polishing of a defect and cannot use a conventional repairing process, the repairing structure can perform emergency repair on a crevasse position of the rubber lining pipeline 13 in a short time, so as to prevent a substrate at the defect position from being continuously corroded.
Referring to the drawings, the repairing structure includes an arc-shaped plate 11, a link 5, and a locker 18. The arc-shaped plate 11 is provided with an inner arc surface 1 and an outer arc surface 3 which are opposite, the diameter of the circumference where the outer arc surface 3 is located is matched with the inner diameter of the rubber lining pipeline 13, the rubber layer 14 is attached to the outer arc surface 3, and the rubber layer 14 is tightly attached to the rubber lining 12 on the inner side of the rubber lining pipeline 13; one end of the connecting rod 5 penetrates through the rubber plate layer 14 and then is connected to the middle of the outer arc surface 3 of the arc-shaped plate 11, and the other end of the connecting rod is used for penetrating out of the crevasse of the rubber lining pipeline 13; the locking member 18 is connected with the part of the connecting rod 5 penetrating out of the rubber-lined pipe 13 and is used for applying a force towards the outer side of the rubber-lined pipe 13 to the connecting rod 5 so as to enable the rubber layer 14 to press the rubber lining 12 on the inner side of the rubber-lined pipe 13. Therefore, the locking member 18 applies an acting force towards the outer side of the rubber lining pipeline 13 to the arc-shaped plate 11 through the connecting rod 5, so that the rubber layer 14 compresses the rubber lining 12 in the rubber lining pipeline 13, the rubber layer 14 is ensured to be tightly attached to the rubber lining 12 in the rubber lining pipeline 13, and the medium in the rubber lining pipeline 13 is prevented from being continuously contacted with the exposed metal matrix at the crevasse position. By adopting the repairing structure, the surface treatment on the interior of the lining rubber pipeline 13 is not needed, so that the lining rubber 12 of the perforated part with limited defect position and unrepairable by the conventional process can be temporarily repaired internally, and the base body at the defect position is prevented from being corroded continuously. In addition, with the repair structure, emergency repair of the breach of the rubber pipe 13 can be performed in a short time.
In this embodiment, the contour and size of the arc-shaped plate member 11 are determined according to the rubber-lined pipe 13 and the size of the break, and are generally formed by machining a stainless steel plate. The inner arc surface 1 of the arc-shaped plate 11 and the vertical surface 2 connecting the inner arc surface 1 and the outer arc surface 3 are coated with a special stainless steel coating.
In this embodiment, in order to ensure that the sealing effect between the rubber lining 12 plate and the rubber lining 12 inside the rubber lining pipe 13 is good, the distance between one end of the rubber lining layer 14 and one end of the rubber lining 12 inside the rubber lining pipe 13 adjacent to the break is required to be at least 10mm, and it can be understood that the shortest distance from any point on the edge of the break of the rubber lining pipe 13 to the edge of the rubber lining layer 14 is not less than 10 mm.
In this embodiment, the connecting rod 5 is a stud, and the upper end of the connecting rod is connected and fixed with the arc-shaped plate 11 by fillet welding, so that a fillet weld 4 is arranged around the upper end of the connecting rod 5, and a special coating for stainless steel is coated on the fillet weld 4. The locking member 18 is a nut, the tightness between the slab layer 14 and the lining rubber 12 in the lining rubber pipe 13 can be adjusted by screwing the nut, and preferably, the locking member 18 is screwed to ensure that the compression amount of the slab layer 14 is 20% -30% of the thickness.
In this embodiment, the rubber layer 14 is a pre-vulcanized rubber layer, and the thickness thereof is 5 ± 1 mm. Specifically, will after the roughness is polished out to extrados 3, use lining glue 12 technology will plywood layer 14 pastes on extrados 3, plywood layer 14 thickness preferred is 5mm, certainly, can increase according to actual conditions the number of piles of plywood layer 14, plywood layer 14 need use the prevulcanized plywood, under the circumstances that guarantees that plywood layer 14 has certain hardness, still satisfies certain deformability to ensure sealed effect.
In this embodiment, the repairing structure further includes a soft clay layer 15 filled between the rubber layer 14 and the inner side of the rubber-lined pipe 13. It can be understood that the missing part of the lining rubber 12 inside the lining rubber pipe 13 is filled by the soft daub layer 15, so as to further ensure the structural stability. Of course, in other embodiments, if the gap between the rubber layer 14 and the inner side of the rubber-lined pipe 13 is small and is not favorable for filling the soft rubber layer 15, the soft rubber layer 15 may be omitted.
In this embodiment, the rubber layer 14 is adhered to the rubber lining 12 inside the rubber lining pipe 13 by an adhesive. Specifically, an adhesive is coated on the surface of the rubber lining 12 on the inner side of the rubber lining pipeline 13, and meanwhile, an adhesive is coated on the rubber layer 14, so that when the rubber layer 14 is tightly attached to the rubber lining 12 on the inner side of the rubber lining pipeline 13 due to the acting force generated by the locking piece 18, the adhesive can further ensure that the sealing performance between the rubber layer 14 and the rubber lining 12 on the inner side of the rubber lining pipeline 13 is good.
In this embodiment, the repairing structure further includes a metal repairing agent 16 filled between the connecting rod 5 and the rubber lining pipe 13, so as to further ensure the structural stability. Of course, in another embodiment, if the gap between the rubber layer 14 and the inner side of the rubber lining pipe 13 is small and is not favorable for filling the metal repairing agent 16, the metal repairing agent 16 may be omitted.
In this embodiment, the repair structure further comprises a spacer 17 disposed between the locking member 18 and the outside of the rubber-lined pipe 13; the locking member 18 is in close contact with the spacer 17, and the spacer 17 is in close contact with the outer side of the rubber-lined pipe 13. In this way, the locking member 18 is prevented from scratching the outside of the rubber-lined duct 13.
Implement the utility model provides a lining rubber pipeline 13's repair structure can reach following beneficial effect: the repair structure includes: the rubber lining pipe comprises an arc-shaped plate 11 and a rubber lining pipe 13, wherein the arc-shaped plate is provided with an inner arc surface 1 and an outer arc surface 3 which are opposite, the diameter of the circumference where the outer arc surface 3 is located is matched with the inner diameter of the rubber lining pipe 13, a rubber layer 14 is attached to the outer arc surface 3, and the rubber layer 14 is tightly attached to a rubber lining 12 on the inner side of the rubber lining pipe 13; one end of the connecting rod 5 penetrates through the rubber plate layer 14 and then is connected to the middle of the outer arc surface 3 of the arc-shaped plate 11, and the other end of the connecting rod is used for penetrating out of the crevasse of the rubber lining pipeline 13; and the locking piece 18 is connected with the part of the connecting rod 5 penetrating out of the rubber lining pipeline 13 and is used for applying a force towards the outer side of the rubber lining pipeline 13 to the connecting rod 5 so as to enable the rubber layer 14 to press the rubber lining 12 on the inner side of the rubber lining pipeline 13. Therefore, the locking member 18 applies an acting force towards the outer side of the rubber lining pipeline 13 to the arc-shaped plate 11 through the connecting rod 5, so that the rubber layer 14 compresses the rubber lining 12 in the rubber lining pipeline 13, the rubber layer 14 is ensured to be tightly attached to the rubber lining 12 in the rubber lining pipeline 13, and the medium in the rubber lining pipeline 13 is prevented from being continuously contacted with the exposed metal matrix at the crevasse position. By adopting the repairing structure, the surface treatment on the interior of the lining rubber pipeline 13 is not needed, so that the lining rubber 12 of the perforated part with limited defect position and unrepairable by the conventional process can be temporarily repaired internally, and the base body at the defect position is prevented from being corroded continuously. In addition, with the repair structure, emergency repair of the breach of the rubber pipe 13 can be performed in a short time.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. A repair construction for a rubber-lined pipe, said repair construction comprising:
the rubber lining pipeline comprises an arc-shaped plate, a rubber lining layer and a rubber plate layer, wherein the arc-shaped plate is provided with an inner arc surface and an outer arc surface which are opposite, the diameter of the circumference where the outer arc surface is located is matched with the inner diameter of the rubber lining pipeline, and the rubber plate layer is attached to the outer arc surface and is tightly attached to the rubber lining on the inner side of the rubber lining pipeline;
one end of the connecting rod penetrates through the rubber plate layer and then is connected to the middle of the outer arc surface of the arc-shaped plate, and the other end of the connecting rod penetrates out of the crevasse of the rubber lining pipeline;
and the locking piece is connected with the part of the connecting rod penetrating out of the rubber lining pipeline and is used for applying acting force towards the outer side of the rubber lining pipeline to the connecting rod so as to enable the rubber plate layer to press the rubber lining on the inner side of the rubber lining pipeline.
2. The structure for repairing a rubber-lined pipe according to claim 1, wherein the rubber-lined layer is adhered to the rubber-lined layer on the inner side of the rubber-lined pipe by an adhesive.
3. The repair construction for a rubber-lined pipe as claimed in claim 1, wherein a plurality of said rubber-clad layers are attached to said extrados.
4. The repair arrangement for a rubber-lined pipe as claimed in claim 1, wherein the thickness of said plywood layer is 5 ± 1 mm.
5. The repair construction for a rubber-lined pipe according to claim 1, wherein the rubber-lined layer is a pre-vulcanized rubber-lined layer.
6. The structure for repairing a rubber-lined pipe as claimed in claim 1, wherein a distance between one end of the rubber-lined layer and one end of the rubber-lined layer inside the rubber-lined pipe adjacent to the break is at least 10 mm.
7. The repair structure of a rubber-lined pipe according to claim 1, further comprising a soft mastic layer filled between the plywood layer and an inner side of the rubber-lined pipe.
8. The repair structure for a rubber-lined pipe according to claim 7, further comprising a metal repair agent filled between the connecting rod and the rubber-lined pipe.
9. The structure for repairing a rubber-lined pipe as claimed in claim 1, wherein said connecting rod is a stud; the locking piece is a bolt.
10. The repair construction for a rubber-lined pipe as claimed in claim 9, further comprising a spacer provided between the locker and an outside of the rubber-lined pipe; the locking piece is tightly abutted with the gasket, and the gasket is tightly abutted with the outer side of the rubber-lined pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393168.4U CN211118257U (en) | 2019-12-25 | 2019-12-25 | Repairing structure of rubber-lined pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393168.4U CN211118257U (en) | 2019-12-25 | 2019-12-25 | Repairing structure of rubber-lined pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN211118257U true CN211118257U (en) | 2020-07-28 |
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| CN201922393168.4U Active CN211118257U (en) | 2019-12-25 | 2019-12-25 | Repairing structure of rubber-lined pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896413A (en) * | 2021-01-13 | 2021-06-04 | 西北工业大学 | Reinforcing structure and sealing method of perforated cylindrical composite pressure-resistant shell |
| CN114128523A (en) * | 2021-11-29 | 2022-03-04 | 成都名富园艺有限公司 | Repairing method for water storage structure of plant-growing coil |
-
2019
- 2019-12-25 CN CN201922393168.4U patent/CN211118257U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896413A (en) * | 2021-01-13 | 2021-06-04 | 西北工业大学 | Reinforcing structure and sealing method of perforated cylindrical composite pressure-resistant shell |
| CN112896413B (en) * | 2021-01-13 | 2022-09-02 | 西北工业大学 | Reinforcing structure and sealing method of perforated cylindrical composite pressure-resistant shell |
| CN114128523A (en) * | 2021-11-29 | 2022-03-04 | 成都名富园艺有限公司 | Repairing method for water storage structure of plant-growing coil |
| CN114128523B (en) * | 2021-11-29 | 2022-12-02 | 成都名富园艺有限公司 | Repairing method for water storage structure of plant-growing coil |
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