CN219655578U - Online hoop plugging device for pressure pipeline - Google Patents
Online hoop plugging device for pressure pipeline Download PDFInfo
- Publication number
- CN219655578U CN219655578U CN202320369438.1U CN202320369438U CN219655578U CN 219655578 U CN219655578 U CN 219655578U CN 202320369438 U CN202320369438 U CN 202320369438U CN 219655578 U CN219655578 U CN 219655578U
- Authority
- CN
- China
- Prior art keywords
- hoop
- pressure
- asbestos rope
- saline
- 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
- 239000010425 asbestos Substances 0.000 claims abstract description 46
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 46
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 28
- 239000011780 sodium chloride Substances 0.000 claims abstract description 28
- 239000012267 brine Substances 0.000 claims description 24
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses an online hoop plugging device for a pressure pipeline, relates to the technical field of blast furnace metallurgical equipment, and solves the technical problems of blast furnace wind reduction, wind stopping and other accidents caused by the fact that a medium pipeline which generates local leakage in a blast furnace is subjected to dead medium treatment. The on-line hoop plugging device comprises a saline asbestos rope, a hoop and a fastening bolt, wherein the saline asbestos rope is configured to soak supersaturated strong saline water, the saline asbestos rope is arranged in a ring shape along the circumference of a pipe body of the pressure pipeline, the saline asbestos rope wraps the wind running part of the pressure pipeline, the hoop is arranged at the outer ring of the saline asbestos rope, and the fastening bolt is connected with the hoop so as to press the saline asbestos rope on the pressure pipeline. The purpose of repairing the leakage of the pipeline under pressure without stopping the medium is realized, and the adverse effect on production is reduced; in addition, the labor intensity is reduced, the safety of operators is ensured, the operation efficiency is improved, and the service life of the whole medium pipeline can be effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of blast furnace metallurgical equipment, in particular to an on-line hoop plugging device for a pressure pipeline.
Background
The pressure repairing of the pressure pipeline with the iron making diameter of the blast furnace below 400mm is always a technical problem in the field, and in the past, the repair welding is carried out after the equipment stops running and the pipeline is decompressed. In the blast furnace ironmaking main system, almost all medium pipeline systems are single systems, equipment stops running, pipeline pressure relief and pressure reduction mean that the blast furnace is stopped, the yield is reduced, and the short-time stopping and the reducing of the wind can cause great influence on the furnace condition, so that the continuous and stable running of the blast furnace is influenced.
The method of direct welding or special glue treatment is not very effective due to the influence of high temperature and pressure, and can be used as a temporary treatment measure.
Disclosure of Invention
The utility model provides an on-line hoop plugging device for a pressure pipeline, which solves the technical problems of blast furnace wind reduction, wind stopping and other accidents caused by the fact that a medium pipeline which generates local leakage in a blast furnace is subjected to dead medium treatment.
The utility model provides an online hoop plugging device for a pressure pipeline, which comprises a saline asbestos rope, hoops and fastening bolts, wherein the saline asbestos rope is configured to soak supersaturated strong brine, the saline asbestos rope is arranged in a ring shape along the circumferential direction of a pipe body of the pressure pipeline, the saline asbestos rope wraps an air leakage part of the pressure pipeline, the hoops are arranged at the outer ring of the saline asbestos rope, and the fastening bolts are connected with the hoops so as to press the saline asbestos rope on the pressure pipeline.
In some embodiments, the on-line hoop plugging device further comprises an interface spacer disposed at an interface location of the hoop, the interface spacer disposed between the hoop and the brine asbestos rope.
In some embodiments, the brine asbestos cord includes a multi-layer wrapping treatment of the wind run-off.
In some embodiments, the in-line hoop plugging further involves an auxiliary tape that is mounted to the brine asbestos rope and the pressure conduit for temporary fixation after the brine asbestos rope is mounted to the pressure conduit and before the hoops are mounted.
In some embodiments, the pressure conduit comprises a compressed air conduit.
In some embodiments, the pressure conduit comprises a gas conduit.
In some embodiments, the pressure conduit comprises a nitrogen conduit.
In some embodiments, the pressure conduit comprises a raw gas conduit.
In some embodiments, the diameter of the pressure conduit is below 400 mm.
In some embodiments, the medium pressure of the pressure line is 6 kg and less.
The utility model has the following beneficial effects: the on-line hoop plugging device for the pressure pipeline is provided, when a local leakage burst fault occurs in a medium pipeline, the medium is not required to be stopped, the on-line hoop plugging device is installed at the air leakage part of the pressure pipeline, a leakage point is wound and sealed by using a saline asbestos rope, the leakage part is sealed after saturated strong brine is dried, the effect of secondary sealing the leakage point is achieved through the pretightening force of the hoop and the tightness of the saline asbestos rope after a fastening bolt is installed, the purpose of repairing the leakage of the pipeline under pressure without stopping the medium is realized, and the adverse effect on production is reduced; in addition, the labor intensity is reduced, the safety of operators is ensured, the operation efficiency is improved, and the service life of the whole medium pipeline can be effectively prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present utility model.
FIG. 1 is an axial view of an on-line hoop plugging device for a pressure pipeline provided by the utility model;
fig. 2 is a schematic cross-sectional view at A-A in fig. 1.
The drawings are marked: 1-pressure pipeline, 2-salt water asbestos rope, 3-anchor ear, 4-fastening bolt, 5-interface gasket.
Detailed Description
Referring to fig. 1 and 2, the present embodiment provides an on-line hoop plugging device for a pressure pipeline, which can perform on-line treatment on a pipeline leakage point without disabling a medium when a local leakage burst fault occurs in the medium pipeline.
The on-line hoop plugging device comprises a saline asbestos rope 2, a hoop 3 and a fastening bolt 4, wherein the saline asbestos rope 2 is configured to soak supersaturated strong saline water, the saline asbestos rope 2 is arranged in a ring shape along the circumferential direction of a pipe body of the pressure pipeline 1, the saline asbestos rope 2 wraps the wind-running part of the pressure pipeline 1, the hoop 3 is arranged at the outer ring of the saline asbestos rope 2, and the fastening bolt 4 is connected with the hoop 3 so as to tightly press the saline asbestos rope 2 on the pressure pipeline 1.
In detail, please refer to fig. 1 and 2, an on-line hoop plugging device is installed on the air leakage position of the pressure pipeline 1, the leakage point is wound and sealed by using the saline asbestos rope 2, the leakage position can be sealed after saturated strong brine is dried, the effect of secondarily sealing the leakage point is achieved through the pretightening force of the hoop 3 and the tightness of the saline asbestos rope 2 after the fastening bolt 4 is installed, the purpose of repairing the pipeline leakage under pressure without stopping a medium is achieved, and adverse effects on production are reduced. In addition, the labor intensity can be reduced, the safety of operators is ensured, the operation efficiency is improved, and the service life of the whole medium pipeline can be effectively prolonged.
The saline asbestos rope 2 soaked by saturated strong brine has good tightness, high temperature resistance, interface crimping tightness and dimensional change flexibility, and is suitable for on-line treatment of pipeline leakage points.
In some embodiments, referring to fig. 2, the on-line hoop plugging device further comprises an interface spacer 5, the interface spacer 5 is disposed at an interface position of the hoop 3, and the interface spacer 5 is disposed between the hoop 3 and the brine asbestos rope 2.
In some embodiments, the brine asbestos rope 2 comprises a multi-layer wrapping treatment on the wind running part, and the multi-layer brine asbestos rope 2 is used for wrapping and sealing the leakage point, so that good sealing performance at the leakage point is ensured.
In some embodiments, the in-line anchor ear plugging device further involves an auxiliary adhesive tape that is mounted to the brine asbestos rope 2 and the pressure pipe 1 for temporary fixation after the brine asbestos rope 2 is mounted to the pressure pipe 1 and before the anchor ear 3 is mounted.
In detail, when the leakage of the medium pipeline is found, the following steps are adopted: determining the position, the size and the pressure of the leakage point of the pressure pipeline 1; according to the position of a leakage point of the pressure pipeline 1, the size of the leakage point and the pressure requirement of the pipeline, manufacturing a proper anchor ear 3, a fastening bolt 4 and an interface gasket 5; the air leakage part of the pressure pipeline 1 is subjected to multi-layer wrapping treatment by adopting the salt water asbestos, the interface part of the salt water asbestos rope 2 is subjected to a crimping method, so that air leakage can be effectively avoided, and then an auxiliary adhesive tape is adopted for temporary fixation; the anchor ear 3 and the interface gasket 5 are arranged on the saline asbestos rope 2, and the fastening bolt 4 is screwed; the sealing condition of the device is checked, if leakage exists, the fastening bolt 4 can be loosened, saturated strong brine is poured on the brine asbestos rope 2, the fastening bolt 4 is screwed again, and the leakage part can be sealed after the saturated strong brine is dried.
The on-line hoop plugging device provided by the embodiment is suitable for leakage faults of the pressure pipeline 1 with the diameter below 400mm and the medium pressure below 6 kg, and avoids blast furnace air stopping or air reducing caused by leakage. Meanwhile, the coverage area of the anchor ear 3 and the sealing device is properly enlarged for the flushing leakage point according to the actual leakage point position and size, and the whole service life of the medium pipeline is effectively prolonged.
The effective application of the on-line hoop plugging device provided by the embodiment has important significance for ensuring continuous and stable operation of each process system equipment of an ironmaking operation part and continuous and stable production of a blast furnace. The scheme of the embodiment belongs to the system technology, can be applied to other pipeline systems of various factories to treat similar problems, and has strong portability.
Above, the pressure pipeline that this embodiment scheme can solve includes compressed air pipeline, gas pipeline, nitrogen gas pipeline and raw gas pipeline, can relate to blast furnace hot-blast furnace system and gas system etc. and is applicable to often produce the various medium pipelines of local leakage sudden failure because of corrosion, air current scour, welding failure etc..
In addition, the online hoop plugging device provided by the embodiment is made of the existing material, and is simple in structure and safe and reliable to use.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. An on-line hoop plugging device for a pressure pipeline, which is characterized by comprising:
a brine asbestos rope configured to soak supersaturated strong brine, the brine asbestos rope being arranged in a ring shape along the circumference of the pipe body of the pressure pipe, the brine asbestos rope wrapping the wind-escaping part of the pressure pipe;
the anchor ear is arranged at the outer ring of the saline asbestos rope; and
and the fastening bolt is connected with the anchor ear so as to press the saline asbestos rope on the pressure pipeline.
2. The on-line hoop plugging of claim 1 further comprising an interface spacer disposed at an interface location of the hoop, the interface spacer disposed between the hoop and the brine asbestos rope.
3. The on-line hoop plugging of claim 1 wherein said brine asbestos cord includes a multi-layer wrapping process for said run-out portion.
4. The in-line hoop plugging of claim 1 further involving an auxiliary tape mounted to the brine asbestos rope and the pressure conduit for temporary securement after the brine asbestos rope is mounted to the pressure conduit and prior to the mounting of the hoops.
5. The on-line hoop plugging of claim 1 wherein the pressure conduit comprises a compressed air conduit.
6. The on-line hoop plugging of claim 1 wherein the pressure conduit comprises a gas conduit.
7. The on-line hoop plugging of claim 1 wherein the pressure conduit comprises a nitrogen conduit.
8. The on-line hoop plugging of claim 1 wherein the pressure conduit comprises a raw gas conduit.
9. The on-line hoop plugging of claim 1 wherein the diameter of the pressure conduit is 400mm or less.
10. The on-line hoop plugging of claim 1 wherein the medium pressure of the pressure conduit is 6 kg or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320369438.1U CN219655578U (en) | 2023-03-02 | 2023-03-02 | Online hoop plugging device for pressure pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320369438.1U CN219655578U (en) | 2023-03-02 | 2023-03-02 | Online hoop plugging device for pressure pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655578U true CN219655578U (en) | 2023-09-08 |
Family
ID=87853251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320369438.1U Active CN219655578U (en) | 2023-03-02 | 2023-03-02 | Online hoop plugging device for pressure pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655578U (en) |
-
2023
- 2023-03-02 CN CN202320369438.1U patent/CN219655578U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |