CN218267926U - Online pressure repairing device for blast furnace iron-making pressure pipeline - Google Patents
Online pressure repairing device for blast furnace iron-making pressure pipeline Download PDFInfo
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- CN218267926U CN218267926U CN202222268405.6U CN202222268405U CN218267926U CN 218267926 U CN218267926 U CN 218267926U CN 202222268405 U CN202222268405 U CN 202222268405U CN 218267926 U CN218267926 U CN 218267926U
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Abstract
The application provides an online under-pressure repair device for a blast furnace ironmaking pressure pipeline, which relates to the technical field of blast furnace ironmaking pressure pipelines and comprises a sealing device, wherein the sealing device is connected to the pipeline and covers a leakage point on the pipeline; and the pressure relief device is connected with the sealing device and can relieve the pressure of the sealing device and the pipeline. The utility model provides a blast furnace ironmaking pressure pipeline presses prosthetic devices in area on line, sealing device weld in pipeline leak department, closes pressure relief device, has reached and has carried out the effect that secondary seal to the leak source again, the effectual pipeline leakage trouble of having handled, has avoided blowing out or the air-damping because of leaking the blast furnace that causes. Meanwhile, the coverage area of the sealing device is properly increased for the scouring leakage point according to the actual leakage point position and area size, and the overall service life of the medium pipeline is effectively prolonged. The utility model discloses guarantee that the blast furnace lasts stable production, improved production efficiency.
Description
Technical Field
The application relates to the technical field of blast furnace ironmaking pressure pipelines, in particular to an online under-pressure repair device for a blast furnace ironmaking pressure pipeline.
Background
The repair of the blast furnace ironmaking pressure pipeline under pressure is a technical problem in the welding field, and in the past, the repair welding repair is carried out after the equipment stops running and the pipeline is decompressed. The blast furnace air supply system, the crude gas system and the charging bucket charging system comprise pipelines with various specifications of 500-3000 mm and the like. Various medium pipelines often generate leakage sudden faults due to corrosion, air flow scouring, sealing failure and the like, almost all medium pipeline systems in a blast furnace ironmaking main system are single systems, equipment stops running, and pipeline pressure relief and pressure reduction mean that the blast furnace stops production and reduces production. Because of the particularity of blast furnace production, short-time air cut-off and air reduction can cause great influence on the furnace condition, and the continuous and stable operation of the blast furnace is influenced. The method directly influences the overall operation condition of the blast furnace, causes the reduction of the yield of the blast furnace, and is obviously not suitable for the repair of the pipeline equipment of a blast furnace system. At present, the same industry in China has no system description aiming at the technology, the common industry adopts direct welding and special glue for treatment, and the treatment method has little effect due to the influence of high temperature and pressure. Can only be used as a temporary treatment measure and can not thoroughly treat hidden dangers. Can not provide guarantee for the normal production of the blast furnace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blast furnace ironmaking pressure pipeline presses prosthetic devices in area on line has effectual processing the pipeline leakage trouble, has avoided effectively prolonging the whole life of medium pipeline because of leaking the blast furnace air-out or the air-reducing that causes, guarantees the blast furnace and lasts stable production, has improved production efficiency's beneficial effect to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a blast furnace ironmaking pressure conduit is at online area and is pressed prosthetic devices, includes:
the sealing device is connected to the pipeline and covers the leakage point on the pipeline;
and the pressure relief device is connected with the sealing device and can relieve the pressure of the sealing device and the pipeline.
As a further aspect of the present invention: the sealing device is a sealing box body, and one side of the sealing box body is connected with a pipeline.
As the utility model discloses further scheme again: the sealing device is a sealing pipe, and one side of the sealing pipe is connected with the pipeline.
As a further aspect of the present invention: one end of the pressure relief device is connected with a branch pipe and is connected with the sealing device through the branch pipe.
As a further aspect of the present invention: the pressure relief device is a valve, one end of the valve is connected with the branch pipe, and the valve is connected with the sealing device through the branch pipe.
As the utility model discloses further scheme again: the pressure relief device is a pressure relief valve, one end of the pressure relief valve is connected with the branch pipe, and the branch pipe is connected with the sealing device.
As a further aspect of the present invention: one side of the sealed box body is welded with the pipeline, and a welding spot is formed between the sealed box body and the pipeline.
As the utility model discloses further scheme again: one side of the sealing pipe is welded with the pipeline, and a welding spot is formed between the sealing pipe and the pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a blast furnace ironmaking pressure pipeline presses prosthetic devices in area on line, sealing device weld in pipeline leak department, closes pressure relief device, has reached and has carried out the effect that secondary seal to the leak source again, the effectual pipeline leakage trouble of having handled, has avoided blowing out or the air-damping because of leaking the blast furnace that causes. Meanwhile, the coverage area of the sealing device is properly increased for the scouring leakage point according to the actual leakage point position and area size, and the overall service life of the medium pipeline is effectively prolonged. The utility model discloses guarantee that the blast furnace lasts stable production, improved production efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts in the following description.
Fig. 1 is a schematic structural diagram of an online pressure repairing device for a blast furnace ironmaking pressure pipeline, which is applied to a pipeline and provided by an embodiment of the application.
The following are marked in the figure:
1. a sealing device; 2. a pressure relief device; 3. a branch pipe; 4. a pipeline; 5. welding spots; 6. a missing point;
10. sealing the box body;
20. and (4) a valve.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, an embodiment of the present application provides an online pressurized repair device for a blast furnace ironmaking pressure pipe, including:
the sealing device 1 is fixedly connected to the pipeline 4, covers the leakage point 6 on the pipeline 4, repairs the leakage point 6 and ensures stable production of the blast furnace;
In a preferred embodiment of the present invention, the sealing device 1 is a sealing box 10, and one side of the sealing box 10 is fixedly connected to the pipeline 4; further, one side of the sealed box body 10 is welded with the pipeline 4, and a welding spot 5 is formed between the sealed box body 10 and the pipeline 4; after the sealing box body 10 is welded with the pipeline 4, the sealing condition of the welding point 5 at the edge of the sealing box body 10 is checked, if leakage exists, the pressure relief device 2 can be opened to relieve pressure, and then the leakage part is repaired.
In a preferred embodiment of the present invention, the sealing device 1 is a sealing tube, and one side of the sealing tube is fixedly connected with the pipeline 4; one side of the sealing pipe is welded with the pipeline 4, and a welding spot 5 is formed between the sealing pipe and the pipeline 4; after the sealing pipe is welded with the pipeline 4, the sealing condition of a welding point 5 at the edge of the sealing pipe is checked, if leakage exists, the pressure relief device 2 can be opened to relieve pressure, and then the leakage part is repaired.
In one preferred embodiment of the present invention, the pressure relief device 2 is connected to the branch pipe 3 at one end and is connected to the sealing device 1 through the branch pipe 3.
In a preferred embodiment of the present invention, the pressure relief device 2 is a valve 20, one end of the valve 20 is connected to the branch pipe 3, and is connected to the sealing device 1 through the branch pipe 3; the stop valve 20 has a pressure relief effect, and is convenient for repairing the leakage part of the pipeline 4.
In a preferred embodiment of the present invention, the pressure relief device 2 is a pressure relief valve, one end of the pressure relief valve is connected to the branch pipe 3 and is connected to the sealing device 1 through the branch pipe 3; the pressure relief valve has the pressure relief effect, and is convenient for repair the leakage part of the pipeline 4.
The utility model discloses online area of blast furnace ironmaking pressure conduit presses prosthetic devices can be applied to compressed air pipeline 4, gas pipeline 4, nitrogen gas pipeline 4 or 4 area of raw coke oven gas pipeline and presses medium pipeline 4 to restore, and concrete implementation step and requirement are as follows:
1. determining the actual position and the area of a leak point 6 on the pipeline 4;
2. selecting a sealing device 1 with proper material and size according to the actual position, the area and the pressure requirement of a leakage point 6 and a pipeline 4, and selecting a stop valve 20 with proper specification;
3. assembling and welding the sealing device 1, wherein when welding is noticed, the stop valve 20 is in an open state, the step is operated according to specific conditions, for example, the sealing device 1 can be welded and molded and then welded to a position needing to be welded, and the sealing device can also be directly assembled and welded at the welding position;
4. welding the sealing device 1 to the repair site;
5. closing the drainage trap 20;
6. checking the sealing condition of the edge welding part of the sealing device 1, if leakage exists, opening the drainage stop valve 20 to release pressure, and then repairing the leakage part;
7. the stop 20 is closed and the repair is completed with confirmation of the seal at each location and no leakage.
The utility model provides a blast furnace ironmaking pressure pipeline presses prosthetic devices in area on line, sealing device 1 welds in 4 leak source 6 departments of pipeline, closes pressure relief device 2, has reached and has carried out secondary seal's effect to leak source 6 again, and the effectual 4 leakage faults of pipeline that have handled have avoided blowing out or the air-damping of blast furnace because of leaking the cause. Meanwhile, the coverage area of the sealing device 1 is properly increased for the scouring leakage points 6 according to the position and the area of the actual leakage points 6, and the overall service life of the medium pipeline 4 is effectively prolonged. The utility model discloses guarantee that the blast furnace lasts stable production, improved production efficiency.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (8)
1. The utility model provides a prosthetic devices is pressed in online area of blast furnace ironmaking pressure conduit which characterized in that includes:
the sealing device is connected to the pipeline and covers a leakage point on the pipeline;
and the pressure relief device is connected with the sealing device and can relieve the pressure of the sealing device and the pipeline.
2. The online under-pressure repair device for the blast furnace ironmaking pressure pipeline according to claim 1, characterized in that the sealing device is a sealing box body, and one side of the sealing box body is connected with the pipeline.
3. The online under-pressure repair device for the blast furnace ironmaking pressure pipeline according to claim 1, characterized in that the sealing device is a sealing pipe, and one side of the sealing pipe is connected with the pipeline.
4. The online under-pressure repair device for the blast furnace ironmaking pressure pipeline according to claim 1, characterized in that a branch pipe is connected to one end of the pressure relief device and is connected with the sealing device through the branch pipe.
5. The on-line under-pressure repair device for the blast furnace ironmaking pressure pipeline according to claim 4, characterized in that the pressure relief device is a check valve, one end of the check valve is connected with a branch pipe, and the check valve is connected with the sealing device through the branch pipe.
6. The online under-pressure repair device for the blast furnace ironmaking pressure pipeline according to claim 4, characterized in that the pressure relief device is a pressure relief valve, one end of the pressure relief valve is connected with a branch pipe, and the pressure relief valve is connected with the sealing device through the branch pipe.
7. The on-line under-pressure repair device for the blast furnace ironmaking pressure pipeline according to claim 2, characterized in that one side of the sealing box body is welded with the pipeline, and a welding spot is formed between the sealing box body and the pipeline.
8. The on-line under-pressure repair device for the blast furnace ironmaking pressure pipeline according to claim 3, characterized in that one side of the sealing pipe is welded with the pipeline, and a welding spot is formed between the sealing pipe and the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222268405.6U CN218267926U (en) | 2022-08-26 | 2022-08-26 | Online pressure repairing device for blast furnace iron-making pressure pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222268405.6U CN218267926U (en) | 2022-08-26 | 2022-08-26 | Online pressure repairing device for blast furnace iron-making pressure pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267926U true CN218267926U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222268405.6U Active CN218267926U (en) | 2022-08-26 | 2022-08-26 | Online pressure repairing device for blast furnace iron-making pressure pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267926U (en) |
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2022
- 2022-08-26 CN CN202222268405.6U patent/CN218267926U/en active Active
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