CN218671150U - High temperature high pressure valve and flange joint area of pipeline are pressed plugging device - Google Patents
High temperature high pressure valve and flange joint area of pipeline are pressed plugging device Download PDFInfo
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- CN218671150U CN218671150U CN202222423506.6U CN202222423506U CN218671150U CN 218671150 U CN218671150 U CN 218671150U CN 202222423506 U CN202222423506 U CN 202222423506U CN 218671150 U CN218671150 U CN 218671150U
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Abstract
The utility model relates to the technical field of pipeline and valve plugging, in particular to a high-temperature and high-pressure valve and a flange joint pressurized plugging device of the pipeline, which comprises a first sealing ring and a second sealing ring, wherein the first sealing ring and the second sealing ring adopt semicircular rings with the same size; the utility model utilizes the original pipeline or valve to connect the flange frame, the sealing ring is tightly matched with the inner side end face of the flange to form a good sealing space, the conventional wrapped sealing is changed into embedded sealing, and the sealing effect is greatly improved; the sealing filler is a mixture of graphite and copper wire sections, and is resistant to high temperature and high pressure; the influence of conventional operation welding on the body valve and the pipeline is avoided.
Description
Technical Field
The utility model relates to a pipeline and valve leaking stoppage technical field, concretely relates to high temperature high pressure valve and flange joint of pipeline take pressure plugging device.
Background
Pipeline and valve are at the in-process that uses, because the mounting means is unreasonable, self ageing, perhaps receive external damage, lead to the pipe wall to break easily, sealed damage etc. and then appear leaking, generally need take the area to press leaking stoppage repairing to the pipeline in order not to influence the continuation of using of pipeline and valve, at present, general processing mode has two kinds, directly welds, but takes the area to weld the degree of difficulty great, and can't guarantee welding quality, and the operation environment can't use the electropneumatic welding operation a bit simultaneously. And the second one is to carry out the wrapping and sealing treatment, which generally comprises two semicircular castings, a group of rubber parts and fastening bolts. The sealing device can only aim at the condition that the surface of a fault part is smooth, and the pressure and the temperature are not high, and can not achieve good sealing when a certain temperature and pressure fault point is processed.
When leakage points leak at the flanges of the high-temperature and high-pressure pipeline and the valve, personnel cannot approach the high-temperature and high-pressure pipeline and the valve for a long time during treatment due to high pressure and temperature, and the personnel are easily injured due to improper treatment; meanwhile, the conventional fastening and packaging sealing treatment cannot achieve a good sealing effect. Moreover, high temperature high pressure pipeline and valve are generally used in more special occasion, and when the leak source trouble appears in flange department, improper handling often can cause great influence to the subsequent handling, causes safety and production accident when serious.
The optimization and innovation of the under-pressure leakage stoppage treatment mode of the high-temperature and high-pressure pipeline and the flange joint of the valve are urgent and needed, so that an under-pressure leakage stoppage device for the flange joint of the high-temperature and high-pressure valve and the pipeline is provided, and the problems provided in the prior art are solved.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a flange joint area of high temperature high pressure valve and pipeline presses plugging device.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a leaking stoppage device is pressed in flange joint area of high temperature high pressure valve and pipeline, includes sealing ring one and sealing ring two, sealing ring one and sealing ring two adopt the semicircle ring that the size is the same, and sealing ring one and sealing ring two are relative to be installed in flange joint department, and sealing ring one and sealing ring two are gone up and are equipped with the filling hole relatively, install the check valve on the filling hole, and the check valve is connected the pressurization filling pump for the pressurization filling pump will seal the filler pump and send flange joint department.
Specifically, both sides of the first sealing ring and the second sealing ring are provided with fastening plates, bolt holes are formed in the fastening plates, and fastening bolts are installed in the bolt holes and are used for fixedly connecting the first sealing ring and the second sealing ring through the fastening bolts.
Specifically, the flange joint is a first flange and a second flange of a high-temperature and high-pressure valve or a pipeline which are mutually connected, the first flange and the second flange are fixedly connected through bolts, the width of the first sealing ring and the width of the second sealing ring are the same as the distance between the first flange and the second flange, and the first sealing ring and the second sealing ring are arranged at the gap between the first flange and the second flange.
Specifically, the filling hole is internally provided with an internal thread which is matched with the external thread of the one-way valve, and the filling hole is oppositely arranged on the first sealing ring and the second sealing ring and is provided with a pair of sealing rings.
Specifically, the sealing filler is a mixture of graphite and copper wire sections.
The utility model discloses following beneficial effect has:
the utility model relates to a flange joint area of high temperature high pressure valve and pipeline is pressed plugging device
1. The original pipeline or valve is connected with a flange frame, the sealing ring is tightly matched with the end face of the inner side of the flange to form a good sealing space, the conventional wrapping type sealing is changed into embedded type sealing, and the sealing effect is greatly improved;
2. the sealing filler is a mixture of graphite and copper wire sections, and is resistant to high temperature and high pressure; the sealing ring can be dismounted at any time in the later period, the sealing filler falls off along with the sealing ring, and the sealing ring can be dismounted at any time without damaging the valve and the pipeline of the body; the influence of conventional operation welding on a body valve and a pipeline is avoided;
3. simple structure, construction convenience, it is high-efficient to handle, can realize the flange joint of high temperature high pressure valve and pipeline well in time sealed, and is less to follow-up work influence.
Drawings
Fig. 1 is a schematic structural view of a high-temperature and high-pressure valve and a pressurized plugging device at a flange connection part of a pipeline.
Fig. 2 is a schematic view of the installation structure of the pressurized plugging device at the flange joint of the high-temperature and high-pressure valve and the pipeline.
In the figure: 1-sealing ring I; 2-sealing ring II; 3-filling the hole; 4-fastening bolts; 5-a one-way valve; 6-a fastening plate; 7-flange one; 8-flange two.
Detailed Description
The technical solution in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the high-temperature and high-pressure valve and pipeline flange joint pressurized leakage blocking device comprises a first sealing ring 1, a second sealing ring 2, a filling hole 3, a fastening bolt 4, a one-way valve 5 and a fastening plate 6, wherein the first sealing ring 1 and the second sealing ring 2 are semicircular rings with the same size, and the first sealing ring 1 and the second sealing ring 2 are oppositely arranged at the flange joint.
The flange connection part is a first flange 7 and a second flange 8 of the high-temperature and high-pressure valve or the pipeline which are connected with each other, the first flange 7 and the second flange 8 are fixedly connected through bolts, the width of the first sealing ring 1 and the width of the second sealing ring 2 are the same as the distance between the first flange 7 and the second flange 8, and the first sealing ring 1 and the second sealing ring 2 are arranged at the gap between the first flange 7 and the second flange 8. The two sides of the first seal ring 1 and the second seal ring 2 are both provided with fastening plates 6, bolt holes are formed in the fastening plates 6, and fastening bolts 4 are installed in the bolt holes and are used for fixedly connecting the first seal ring 1 and the second seal ring 2 with the fastening bolts 4.
And the sealing ring I1 and the sealing ring II 2 are relatively provided with filling holes 3, the filling holes 3 are provided with one-way valves 5, and the one-way valves 5 are connected with a pressurizing filling pump and used for pumping the sealing filling material to the flange connection part by the pressurizing filling pump. The filling hole 3 is internally provided with an internal thread which is matched with the external thread of the one-way valve 5.
The filling hole 3 is oppositely arranged on the first sealing ring 1 and the second sealing ring 2 and is provided with a pair of filling holes, namely 2, 4 and 6, 8230; and when the installation was used, for the better assurance packing effect, the flange bolt of fault point should be avoided as far as in filling hole 3, and the accessible rotates the sealing ring and adjusts. The quantity of check valve 5 is unanimous with filling hole 3 quantity, and the selection for use of check valve 5 is fine seals filling hole 3, also can throw off the filling pump that pressurizes fast after the sealing of suppressing simultaneously, does not influence and suppresses the effect.
The sealing filler is a mixture of graphite and copper wire sections. Graphite is fine to filling the seal chamber under high pressure, and the copper line section can be repaired to fill to the small clearance, and both supplementary uses can increase sealed effect well.
The utility model discloses a working method: when the leakage of the sealing between the connecting flanges of the valve and the pipeline is processed, firstly, measuring the distance between a first flange 7 and a second flange 8, and manufacturing a first sealing ring 1 and a second sealing ring 2 which have the same width as the distance between the flanges, wherein the first sealing ring 1 and the second sealing ring 2 are symmetrical; two ends of the two sealing rings are respectively provided with a fastening plate 6, and the fastening plates 6 are provided with bolt holes so as to be convenient for the fastening bolts 4 to be matched for use; and the first sealing ring 1 and the second sealing ring 2 are respectively provided with a filling hole 3, and the filling holes 3 are provided with internal threads and can be perfectly matched with the external threads of the one-way valve 5.
Secondly, installing the first sealing ring 1 and the second sealing ring 2 between the fault point flanges, screwing the fastening bolt 4, and tightly combining two end faces of the first sealing ring 1 and the second sealing ring 2 through the fastening plate 6; at the moment, the left and right sealing rings can be well and tightly combined with the flange surface of the fault point.
Thirdly, installing a one-way valve 5 into the filling hole 3, connecting the one-way valve 5 with a pressurizing filling pump, adjusting the pressure of the pressurizing filling pump to be 1.5-2 times of the normal pressure of a fault point, filling sealing filler into a sealing cavity of the fault point through the one-way valve 5 to realize sealing, judging the sealing effect according to the pressure maintaining condition after pressurizing is finished, and filling the next position if the pressure maintaining is better; if the pressure maintaining is not good enough, the pressing operation is continued until the pressure maintaining can be good.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (4)
1. The utility model provides a high temperature high pressure valve and flange joint of pipeline take pressure plugging device which characterized in that, includes sealing ring one and sealing ring two, sealing ring one and sealing ring two adopt the semicircle ring that the size is the same, and sealing ring one and sealing ring two are installed at flange joint relatively, and sealing ring one and sealing ring two are gone up and are equipped with the filling hole relatively, install the check valve on the filling hole, and the check valve is connected the pressurization filling pump for the pressurization filling pump will seal the filler pump and send flange joint to.
2. The device for blocking leakage of a flange joint of a high-temperature and high-pressure valve and a pipeline under pressure as claimed in claim 1, wherein fastening plates are arranged on two sides of the first sealing ring and the second sealing ring, bolt holes are formed in the fastening plates, and fastening bolts are installed in the bolt holes and used for fixedly connecting the first sealing ring and the second sealing ring through the fastening bolts.
3. The device for blocking leakage of the flange connection part of the high-temperature and high-pressure valve and the pipeline under pressure as claimed in claim 1, wherein the flange connection part is a first flange and a second flange of the high-temperature and high-pressure valve or the pipeline which are connected with each other, the first flange and the second flange are fixedly connected by bolts, the width of the first sealing ring and the second sealing ring is the same as the distance between the first flange and the second flange, and the first sealing ring and the second sealing ring are arranged at the gap between the first flange and the second flange.
4. A high-temperature high-pressure valve and pipeline flange joint area pressure plugging device according to claim 1, characterized in that, the filling hole is provided with internal threads, the internal threads are matched with the external threads of the check valve, and the filling hole is arranged on the first sealing ring and the second sealing ring oppositely and is provided with a pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423506.6U CN218671150U (en) | 2022-09-14 | 2022-09-14 | High temperature high pressure valve and flange joint area of pipeline are pressed plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423506.6U CN218671150U (en) | 2022-09-14 | 2022-09-14 | High temperature high pressure valve and flange joint area of pipeline are pressed plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218671150U true CN218671150U (en) | 2023-03-21 |
Family
ID=85558554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222423506.6U Active CN218671150U (en) | 2022-09-14 | 2022-09-14 | High temperature high pressure valve and flange joint area of pipeline are pressed plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218671150U (en) |
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2022
- 2022-09-14 CN CN202222423506.6U patent/CN218671150U/en active Active
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