CN220540601U - Pipeline plugging device - Google Patents

Abstract

The application relates to the technical field of pipeline plugging and discloses a pipeline plugging device. The device is applied to the shutoff of grinding and leaking the pipeline, the device includes first casing and second casing, first casing with the second casing encircles and is fixed in grinding and leaking the pipeline, first casing second casing and grinding and leaking the pipeline and forming sealed chamber, sealed intracavity is filled with the sealing layer. According to the method, the leakage grinding pipeline can be plugged under the condition of no shutdown, and the continuous production efficiency and the production quality of the blast furnace are improved.

Description

Pipeline plugging device

Technical Field

The application relates to the technical field of pipeline plugging, in particular to a pipeline plugging device.

Background

The modern large blast furnace generally adopts a powder spraying technology, so that the coke ratio can be reduced, and the energy is saved. The coal mill is the main equipment of the coal powder preparation system, and has the functions of drying, crushing and grinding coal blocks with certain size into coal powder, grinding the coal powder into qualified coal powder, and conveying the qualified coal powder into a blast furnace through auxiliary equipment such as separation and the like and injection equipment. The blast furnace pulverizing coal injection pipeline is long, pulverized coal is conveyed in the pipeline by pneumatic, and the pulverized coal is conveyed by the coal injection pipeline for a long time, so that the phenomenon of grinding leakage is frequently caused. At present, only stopping equipment can be adopted for maintenance, so that the production efficiency and stable and safe operation of the blast furnace are seriously affected.

Disclosure of Invention

The utility model aims at providing a pipeline plugging device, this application can improve to.

Other features and advantages of the present application will be apparent from the following detailed description, or may be learned in part by the practice of the application.

According to an aspect of the embodiment of the application, a pipeline plugging device is provided, and is applied to plugging of an abrasive leakage pipeline, the device comprises a first shell and a second shell, the first shell and the second shell are fixed on the abrasive leakage pipeline in a surrounding mode, a sealing cavity is formed by the first shell, the second shell and the abrasive leakage pipeline, and a sealing layer is filled in the sealing cavity.

In one embodiment of the present application, based on the foregoing solution, the apparatus further includes: and the plugging seat is used for plugging a leakage hole of the leakage grinding pipeline and propped against the sealing layer.

In an embodiment of the present application, based on the foregoing solution, the material of the plugging seat is rubber.

In one embodiment of the present application, based on the foregoing solution, the first housing is provided with a slurry inlet through which the material of the sealing layer is poured into the sealing cavity.

In one embodiment of the present application, based on the foregoing solution, the first housing is provided with a vent hole.

In one embodiment of the present application, based on the foregoing, the first housing and the second housing are welded to the leakage grinding pipe.

In one embodiment of the present application, based on the foregoing, the first housing and the second housing are cylindrical.

In one embodiment of the present application, the first housing and the second housing are welded and fixed based on the foregoing scheme.

In an embodiment of the present application, based on the foregoing solution, the material of the sealing layer is a high-strength wear-resistant castable.

In the technical scheme of this application embodiment, when the pipeline that leaks produces to grind, encircle first casing and second casing and be fixed in the pipeline that leaks that grinds, first casing and second casing wrap up the mill leak site of pipeline that leaks, form sealed chamber between first casing and, second casing and the pipeline that leaks, seal intracavity packing sealing layer, sealing layer form the parcel to the pipeline, and the sealing layer forms new support to the mill leak site that leaks the pipeline that leaks, sealing layer, first casing and second casing form the shutoff to the mill leak site that leaks the pipeline. In the plugging process, the leakage grinding pipeline can be plugged in the production process, the continuous production rate of the blast furnace can be effectively improved, and the production safety risk and the product quality risk caused by sudden stop of the blast furnace can be avoided.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic installation view of a pipe plugging device according to an embodiment of the present application;

fig. 2 is a side view of a pipe plugging device according to an embodiment of the present application.

Reference numerals: 10. a first housing; 11. a slurry inlet; 12. an exhaust hole; 20. a second housing; 30. a sealing layer; 40. a plugging seat; 50. and (5) grinding the leakage pipeline.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.

It should be noted that: references herein to "a plurality" means two or more. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., a and/or B may represent: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so used may be interchanged where appropriate such that the embodiments of the present application described herein may be implemented in sequences other than those illustrated or described.

The implementation details of the technical solutions of the embodiments of the present application are described in detail below:

firstly, it should be noted that the pipe plugging device provided in the present application may be applied to the technical field of pipe plugging, for example, in the current blast furnace for ironmaking, a powder spraying technology is generally adopted, long pipes are required to be used to transport pulverized coal into the blast furnace through pneumatic, but friction between pulverized coal and pipes occasionally causes pipe leakage, and the continuous production of the blast furnace is greatly affected by shutdown repair, so that maintenance without shutdown of the leakage pipe is particularly important.

According to an aspect of the present application, there is provided a pipe plugging device, fig. 1 is a schematic installation diagram of the pipe plugging device according to an embodiment of the present application, and fig. 2 is a side view of the pipe plugging device according to an embodiment of the present application, described in detail below:

referring to fig. 1 and 2, a pipeline plugging device is applied to plugging an abrasive leakage pipeline 50, and the pipeline plugging device comprises a first shell 10 and a second shell 20, wherein the first shell 10 and the second shell 20 are fixedly surrounded by the abrasive leakage pipeline 50, the first shell 10, the second shell 20 and the abrasive leakage pipeline 50 form a sealing cavity, and a sealing layer 30 is filled in the sealing cavity.

In this application, during pneumatic transportation of coal powder, the coal powder is directly rubbed against the pipeline, and the pipeline generates leakage holes due to the friction of the coal powder to form a leakage grinding pipeline 50. The first shell 10 and the second shell 20 are fixed on the grinding leakage pipeline 50 in a surrounding mode, the first shell 10, the second shell 20 and the grinding leakage pipeline 50 form a sealing cavity, the grinding leakage pipeline 50 is surrounded by the sealing cavity, the sealing layer 30 filled in the sealing cavity is tightly attached to the grinding leakage pipeline 50, a leakage hole is sealed, the first shell 10 and the second shell 20 play a supporting role on the sealing layer 30, the first shell 10 and the second shell 20 are fixed on the grinding leakage pipeline 50, the whole structure is stable, online sealing of the grinding leakage pipeline 50 is achieved, shutdown of a blast furnace is avoided, production efficiency and production safety of the blast furnace are improved, and production quality of the blast furnace can be improved.

In one embodiment of the present application, the pipe plugging device further includes a plugging seat 40, the plugging seat 40 is used for plugging the leakage hole of the ground leakage pipe 50, and the plugging seat 40 abuts against the sealing layer 30.

In this application, the leak stopping seat 40 inserts the leak hole of grinding and leaking pipeline 50, and the leak stopping seat 40 supports through sealing layer 30, forms first shutoff to the leak hole, can effectively improve the whole shutoff ability to grinding and leaking pipeline 50, can prevent simultaneously that the leak hole from continuously expanding under the friction of buggy.

In one embodiment of the present application, the plugging seat 40 is made of rubber.

In this application, rubber has certain elasticity to rubber wearability is strong, and the leak stopping seat 40 of rubber material inserts the leak grinding hole back inflation of grinding leak pipe 50 and seals the leak grinding hole, forms the protection to the leak grinding hole of grinding leak pipe 50 when carrying out shutoff to grinding leak pipe 50.

It should be emphasized that the material of the plugging seat 40 may be steel, and the plugging seat is welded to the plugging pipe 50 after being inserted into the plugging hole of the plugging pipe 50. And the grinding and leaking seat can also be attached to the surface of the grinding and leaking pipeline 50, the grinding and leaking seat seals the grinding and leaking hole of the grinding and leaking pipeline 50, and the grinding and leaking seat forms a first plugging for the grinding and leaking hole of the grinding and leaking pipeline 50.

The plugging seat 40 can also be wood, which is convenient to obtain materials and process, has low cost and good wear resistance, and the worn wood dust is sent into a blast furnace together with pulverized coal for combustion.

In one embodiment of the present application, the first housing 10 is provided with a slurry inlet 11 through which the material of the sealing layer 30 is poured into the sealing cavity.

In the present application, the first housing 10, the second housing 20 and the grinding and leaking pipeline 50 form a sealing cavity, the material of the sealing layer 30 is poured into the sealing cavity from the slurry inlet 11 of the sealing cavity, the material of the sealing layer 30 forms the sealing layer 30 in the sealing cavity, and the sealing layer 30 seals the grinding and leaking pipeline 50.

In one embodiment of the present application, the first housing 10 is provided with a vent hole 12.

In this application, when the sealing material is filled into the sealing cavity to form the sealing layer 30, air is exhausted through the exhaust hole 12, so that the sealing material fills the whole sealing cavity, and the sealing effect of the sealing layer 30 on the leakage grinding pipeline 50 is improved.

It should be emphasized that the slurry inlet 11 and the exhaust hole 12 are both provided with sealing covers, and after the sealing layer 30 is completed, the slurry inlet 11 and the exhaust hole 12 are sealed by the sealing covers, so that the sealing layer 30 is prevented from being corroded by external air and the like in a sealed environment, and the service life of the sealing layer 30 is prolonged.

In one embodiment of the present application, the first housing 10 and the second housing 20 are welded to the abrasive leakage pipe 50.

In this application, the first casing 10 and the second casing 20 are welded on the grinding leakage pipe 50, the first casing 10 and the second casing 20 are fixed firmly with the grinding leakage pipe 50, and the first casing 10 and the second casing 20 form a stable support for the sealing layer 30.

In one embodiment of the present application, the first housing 10 and the second housing 20 are cylindrical.

In the present application, the inner surface of the first casing 10 and the inner surface of the second casing 20 are consistent with the outer surface of the grinding and leaking pipe 50, so that the thickness of the sealing layer 30 in the sealing cavity is consistent, and the overall strength of the sealing layer 30 can be effectively improved.

In one embodiment of the present application, the first housing 10 and the second housing 20 are welded and fixed.

In the application, the first shell 10 and the second shell 20 are reinforced by welding, so that the support of the first shell 10 and the second shell 20 to the sealing layer 30 is improved, and the sealing layer 30 is ensured to seal the leakage grinding pipeline 50.

In one embodiment of the present application, the material of the sealing layer 30 is a high-strength wear-resistant castable.

In the application, the high-strength wear-resistant castable consists of high-strength aggregate and powder mineral additives, has the characteristics of minimum wear loss, high strength, arbitrary controllable shape, strong integrity, simple construction and good workability, and the high-molecular polymer is added to ensure that the base concrete is firmly bonded, so that the sealing layer 30 formed by the high-strength wear-resistant castable has good sealing performance, and the plugging effect on the ground leakage pipeline 50 is effectively improved.

To sum up, in the technical scheme of the embodiment of the application, when the grinding leakage pipeline 50 generates grinding leakage, the first shell 10 and the second shell 20 are fixed around the grinding leakage pipeline 50, the grinding leakage position of the grinding leakage pipeline 50 is wrapped by the first shell 10 and the second shell 20, a sealing cavity is formed between the first shell 10 and the second shell 20 and the grinding leakage pipeline 50, the sealing layer 30 is filled in the sealing cavity, the sealing layer 30 wraps the pipeline, a new support is formed on the grinding leakage position of the grinding leakage pipeline 50 by the sealing layer 30, and the grinding leakage position of the grinding leakage pipeline 50 by the sealing layer 30, the first shell 10 and the second shell 20 is blocked. In the plugging process, the leakage grinding pipeline 50 can be plugged in the production process, so that the continuous production rate of the blast furnace can be effectively improved, and the production safety risk and the product quality risk caused by sudden stop of the blast furnace can be avoided.

It is to be understood that the present application is not limited to the precise construction set forth above and shown in the drawings, and that various modifications and changes may be effected therein without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (9)

1. A device for plugging a pipeline, applied to plugging a leak-grinding pipeline, the device comprising:

the first housing is provided with a first opening,

a second housing, which is provided with a second opening,

the first shell and the second shell are fixed on the grinding leakage pipeline in a surrounding mode, a sealing cavity is formed by the first shell, the second shell and the grinding leakage pipeline, and a sealing layer is filled in the sealing cavity.

2. The apparatus of claim 1, wherein the apparatus further comprises:

and the plugging seat is used for plugging a leakage hole of the leakage grinding pipeline and propped against the sealing layer.

3. The apparatus of claim 2, wherein the device comprises a plurality of sensors,

the plugging seat is made of rubber.

4. The apparatus of claim 1, wherein the device comprises a plurality of sensors,

the first shell is provided with a slurry inlet for filling the sealing layer material into the sealing cavity.

5. The apparatus of claim 3, wherein the device comprises a plurality of sensors,

the first shell is provided with an exhaust hole.

6. The device according to any one of claims 1 to 5, wherein,

the first shell and the second shell are welded and fixed on the leakage grinding pipeline.

7. The apparatus of claim 6, wherein the device comprises a plurality of sensors,

the first housing and the second housing are cylindrical.

8. The apparatus of claim 6, wherein the device comprises a plurality of sensors,

the first shell and the second shell are welded and fixed.

9. The device according to any one of claims 1 to 5, wherein,

the sealing layer is made of high-strength wear-resistant castable.