CN221097916U - Leakage blocking structure for metal pipeline flange leakage - Google Patents
Leakage blocking structure for metal pipeline flange leakage Download PDFInfo
- Publication number
- CN221097916U CN221097916U CN202322972380.2U CN202322972380U CN221097916U CN 221097916 U CN221097916 U CN 221097916U CN 202322972380 U CN202322972380 U CN 202322972380U CN 221097916 U CN221097916 U CN 221097916U
- Authority
- CN
- China
- Prior art keywords
- structural member
- flange
- leakage
- upper structural
- metal pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 title claims abstract description 34
- 230000000903 blocking effect Effects 0.000 title abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011800 void material Substances 0.000 claims 1
- 239000002775 capsule Substances 0.000 abstract description 22
- 239000003292 glue Substances 0.000 abstract description 21
- 239000004593 Epoxy Substances 0.000 abstract description 9
- 229920006335 epoxy glue Polymers 0.000 abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000945 filler Substances 0.000 abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract description 6
- 239000011593 sulfur Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a leakage blocking structure for flange leakage of a metal pipeline, which comprises an upper structural member and a lower structural member, wherein the upper structural member and the lower structural member are sleeved on the metal pipeline, a rubber capsule is arranged in an inner empty area of the upper structural member, the upper structural member is connected with an injection pipe, the injection pipe penetrates through the upper structural member to be connected with the rubber capsule, two sides of the upper structural member and two sides of the lower structural member are respectively connected with a clamping plate, and the clamping plates are connected with bolts which penetrate through clamping plates on the same side. The utility model has the beneficial effects that: by arranging the rubber capsule, injecting epoxy glue into the rubber capsule, and enabling the rubber capsule to be extruded by the epoxy glue and then attached to the whole flange area, the leakage blocking effect is achieved, and the leakage blocking problem when the metal pipeline flange of the sulfur-containing gas field is plugged by injecting the glue can be effectively solved; the epoxy filler is not in direct contact with the flange, and the plugging structure can be quickly dismantled without damaging the existing flange structure.
Description
Technical Field
The utility model relates to a leakage blocking structure for metal pipeline flange leakage, and belongs to the technical field of machinery.
Background
Leakage of metal pipe flanges from sulfur-containing gas fields is a common problem in oil and gas production. Because harmful gases such as hydrogen sulfide exist in the sulfur-containing gas field, the leakage of the pipeline flange not only can cause the waste of energy resources, but also can cause serious environmental pollution and safety risks. The existing plugging technology has the defects that: at present, some plugging technologies are applied to repairing leakage of a pipeline flange, such as rubber sealing rings, metal gaskets and the like. However, these techniques have disadvantages in dealing with metal pipe flange leaks in sulfur-containing gas fields, such as unsatisfactory sealing, poor corrosion resistance, short service life, and the like. In order to solve the above problems, there are many plugging devices in the prior art.
The Chinese practical patent with the publication number of CN208535443U discloses a flange plugging device, a first flange clamp of the device is provided with a glue injection port, a glue injection groove is formed around the inner side of the glue injection port, a glue injection port outer nut is arranged on the outer side of the glue injection port, a glue injection port bolt matched with the glue injection port outer nut is movably arranged on the glue injection port outer nut, and the edges of the inner side surfaces of the first flange clamp and the second flange clamp are provided with partitions; the utility model can fix the flange leakage position and then inject the glue, and the whole device can be taken off after the glue injection is completed. However, when the surface of the pipeline is uneven, glue leakage from the uneven concave part can occur during glue injection; and if the plugging effect is not achieved after the glue injection is completed, reworking and remedying operations cannot be performed.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a leakage blocking structure for metal pipeline flanges, which is characterized in that rubber capsules are arranged, epoxy glue is injected into the rubber capsules, and the ductility of the rubber capsules enables the rubber capsules to be extruded by the epoxy glue and then to be attached to the whole flange area, so that the leakage blocking effect is achieved, and the problem of glue leakage when the metal pipeline flanges of sulfur-containing gas fields are plugged by glue injection can be effectively solved.
The utility model is realized by the following scheme: the utility model provides a metal pipeline flange leaks's leaking stoppage structure, includes structure and lower structure, last structure with structure cover is on metal pipeline down, go up the structure with structure is hollow structure down, the interior hollow area of going up the structure is equipped with the rubber bag, go up the structure and connect the injection pipe, the injection pipe passes go up the structure is connected to the rubber bag, go up the structure with the cardboard is all connected to the both sides of structure down, is located two of same one side the cardboard passes through the bolt fastening.
The upper structural member and the lower structural member are semicircular.
The two ends of the rubber capsule extend into the lower structural member.
The rubber bag is propped against the outer wall of the metal pipeline and the inner walls of the upper structural member and the lower structural member when being filled with liquid or gas.
The injection tube is intermediate the walls of the upper structural member.
The clamping plate is of a square structure, two bolt holes are formed in the clamping plate, and the bolts penetrate through the corresponding bolt holes to fix the clamping plate on the same side.
The beneficial effects of the utility model are as follows:
1. According to the leakage blocking structure for the metal pipeline flange, the rubber capsule is arranged, the epoxy glue is injected into the rubber capsule, the ductility of the rubber capsule enables the rubber capsule to be extruded by the epoxy glue and then attached to the whole flange area, so that the leakage blocking effect is achieved, and the problem of glue leakage when the metal pipeline flange of the sulfur-containing gas field is blocked by glue injection can be effectively solved;
2. The epoxy filler of the plugging structure for metal pipeline flange leakage is not in direct contact with the flange, and the plugging structure can be quickly dismantled without damaging the existing flange structure.
Drawings
Fig. 1 is a schematic diagram of a cross-sectional elevation of a leak stopping structure for metal pipe flange leakage according to the present utility model.
Fig. 2 is a schematic side view of a leakage blocking structure for metal pipe flanges according to the present utility model.
Fig. 3 is a schematic top sectional view of a metal pipe flange leakage blocking structure according to the present utility model.
Fig. 4 is a schematic side view of an upper structural member of a leakage blocking structure for metal pipe flange leakage according to the present utility model.
Fig. 5 is a schematic sectional view showing the use state of a plugging structure for metal pipe flange leakage according to the present utility model.
In the figure: 1 is an upper structural member, 2 is a lower structural member, 3 is a metal pipeline, 4 is a rubber capsule, 5 is an injection pipe, 6 is a clamping plate, 7 is a bolt, 8 is a flange, 9 is a one-way valve, 10 is an injection device, and 11 is an epoxy filler.
Detailed Description
The utility model is further described in connection with fig. 1-5, but the scope of the utility model is not limited to this.
Referring to fig. 1-4, a leakage blocking structure for flange leakage of a metal pipeline comprises an upper structural member 1 and a lower structural member 2, wherein the upper structural member 1 and the lower structural member 2 are semicircular, the upper structural member 1 and the lower structural member 2 are sleeved on the metal pipeline 3, the upper structural member 1 and the lower structural member 2 are of an inner hollow structure, a rubber capsule 4 is arranged in the inner hollow region of the upper structural member 1, two ends of the rubber capsule 4 extend into the lower structural member 2, the rubber capsule 4 props against the outer wall of the metal pipeline 3 and the inner walls of the upper structural member 1 and the lower structural member 2 when being filled with liquid or gas, the upper structural member 1 is connected with an injection pipe 5, the injection pipe 5 penetrates through the upper structural member 1 and is connected with the rubber capsule 4 in the middle of a wall body of the upper structural member 1, two sides of the upper structural member 1 and the lower structural member 2 are connected with clamping plates 6, the clamping plates 6 are of square structures, two bolt holes are respectively arranged on two sides, and the bolts 7 penetrate through the corresponding bolt holes to fix the clamping plates 6 on the same side.
Example 1
Referring to fig. 5, the plugging process is as follows:
s1, preparing to ensure that the liquid rubber capsule 4 and the epoxy filling material 11 are compatible at high pressure;
S2, sleeving the upper structural member 1 and the lower structural member 2 at the flange 8 of the pipeline 3, and then fixing the upper structural member 1 and the lower structural member 2 on the pipeline 3 through the mounting bolts 7;
S3, connecting a glue injection system, connecting a one-way valve 9 at the top end of the injection pipe 5, and then connecting a liquid injection device 10 through a pipeline;
S4, preparing an epoxy filler 11, and mixing the epoxy resin and the curing agent in a proper amount to ensure uniform mixing and form the epoxy filler 11;
S5, starting a glue injection system, injecting epoxy filling materials 11 into the rubber bag 4, and enabling the rubber bag 4 to be extruded by epoxy glue and then attached to the whole flange area;
And S6, waiting for a certain time according to the curing time and temperature requirements of the epoxy glue, and dismantling the glue injection system after the epoxy filler 11 is solidified.
Example 2
In order to reduce the cost, the nitrogen can be directly injected into the rubber capsule 4 without using the epoxy filling material 11, so that the pressure of the rubber capsule 4 is ensured, and the one-way valve 9 is not dismounted at the moment.
While the utility model has been described and illustrated in considerable detail, it should be understood that modifications and equivalents to the above-described embodiments will become apparent to those skilled in the art, and that such modifications and improvements may be made without departing from the spirit of the utility model.
Claims (6)
1. The utility model provides a leaking stoppage structure that metal pipeline flange leaked, includes structure (1) and lower structure (2), structure (1) with structure (2) cover down is on metal pipeline (3), its characterized in that down, structure (1) with structure (2) are hollow structure down, the interior void area of structure (1) is equipped with rubber bag (4), structure (1) connection injection pipe (5) go up, injection pipe (5) pass structure (1) are connected to rubber bag (4), structure (1) with clamp plate (6) are all connected to structure (1) with structure (2)'s both sides down, are located two of same one side clamp plate (6) are fixed through bolt (7).
2. The plugging structure for metal pipe flange leakage according to claim 1, wherein: the upper structural member (1) and the lower structural member (2) are semicircular.
3. The plugging structure for metal pipe flange leakage according to claim 1, wherein: both ends of the rubber bag (4) extend into the lower structural member (2).
4. The plugging structure for metal pipe flange leakage according to claim 1, wherein: the rubber bag (4) is propped against the outer wall of the metal pipeline (3) and the inner walls of the upper structural member (1) and the lower structural member (2) when being filled with liquid or gas.
5. The plugging structure for metal pipe flange leakage according to claim 1, wherein: the injection tube (5) is intermediate the walls of the upper structural member (1).
6. The plugging structure for metal pipe flange leakage according to claim 1, wherein: the clamping plate (6) is of a square structure, two bolt holes are formed in the clamping plate (6), and bolts (7) penetrate through the corresponding bolt holes to fix the clamping plate (6) on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972380.2U CN221097916U (en) | 2023-11-03 | 2023-11-03 | Leakage blocking structure for metal pipeline flange leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972380.2U CN221097916U (en) | 2023-11-03 | 2023-11-03 | Leakage blocking structure for metal pipeline flange leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097916U true CN221097916U (en) | 2024-06-07 |
Family
ID=91306279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322972380.2U Active CN221097916U (en) | 2023-11-03 | 2023-11-03 | Leakage blocking structure for metal pipeline flange leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097916U (en) |
-
2023
- 2023-11-03 CN CN202322972380.2U patent/CN221097916U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |