CN217153466U

CN217153466U - Pipeline compensator capable of automatically discharging liquid

Info

Publication number: CN217153466U
Application number: CN202220338330.1U
Authority: CN
Inventors: 何中华; 袁勤; 许鹏飞; 刘庆; 王海燕
Original assignee: Shaanxi Steel Group Hanzhong Iron and Steel Co Ltd
Current assignee: Shaanxi Steel Group Hanzhong Iron and Steel Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-09
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a pipeline compensator of autonomic flowing back, including the bellows, the both ends that the bellows is relative respectively the rigid coupling have first end pipe and second end pipe, are provided with the pipe between first end pipe and the second end pipe, and the pipe sets up in the bellows, and pipe bottom rigid coupling has the liquid device of drawing, and the one end of drawing the liquid device is close to the bottom setting of bellows. This device passes through the low-pressure area that the venturi effect produced, and the hydrops is along with being discharged because the pressure difference flows, avoids the hydrops to persist for a long time and corrodes the ripple pipe wall, appears the phenomenon of gas leakage, and extension device's life reduces the manufacturing cost of enterprise, and whole device simple structure, practicality are strong, the assembly cost is low.

Description

Pipeline compensator capable of automatically discharging liquid

Technical Field

The utility model belongs to the technical field of the pipeline transportation equipment, concretely relates to pipeline compensator of autonomic flowing back.

Background

Pipeline compensator devices are used in large quantities in gas conveying pipe networks in the steel industry; the corrugated pipe material of the pipe compensator is stainless steel; the accumulated liquid in the gas pipeline often flows into the bottom of the corrugated cavity of the pipeline compensator, and is in a semi-closed state, so that the accumulated liquid is difficult to discharge and is stored in the corrugated cavity for a long time, chloride ions in the accumulated liquid corrode the stainless steel corrugated pipe, the local perforation of the corrugated pipe is caused to damage leaked gas, safety risks are caused, enterprises need to regularly replace the pipeline compensator which automatically discharges the liquid, and huge economic loss is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline compensator of autonomic flowing back has solved the pipeline compensator cavity bottom hydrops of current autonomic flowing back and is difficult to get rid of and long-term stagnates and deposits, leads to the problem of pipeline local corrosion damage.

The utility model discloses the technical scheme who adopts is, the pipeline compensator of autonomic flowing back, including the bellows, the relative both ends of bellows rigid coupling respectively has first end pipe and second end pipe, is provided with the pipe between first end pipe and the second end pipe, and the pipe sets up in the bellows, and pipe bottom rigid coupling has the liquid device of drawing, and the one end of drawing the liquid device is close to the bottom setting of bellows.

The utility model discloses a characteristics still lie in:

the liquid guiding device comprises a suction pipe, the suction pipe penetrates through the bottom surface of the guide pipe, a pipe body of the suction pipe is fixedly connected with the bottom surface of the guide pipe, one end of the suction pipe is arranged close to the bottom of the corrugated pipe, and the other end of the suction pipe is fixedly connected with a venturi pipe.

The end of the suction pipe is communicated with the throat of the Venturi tube, and the axis of the Venturi tube is parallel to the axis of the corrugated pipe.

The first end pipe and the second end pipe are respectively welded with two ends of the corrugated pipe.

The conduit is fixedly connected with the second end pipe.

The utility model has the advantages that: the utility model discloses the pipe-line compensator of autonomic flowing back, when the pipe-line compensator of autonomic flowing back is crossed to gas flow, partial gas flow through venturi, venturi effect produces the low-pressure area, and the hydrops of the pipe-line compensator ripple cavity bottom of autonomic flowing back passes through the leading-in venturi throat low-pressure area of straw, and the hydrops distributes in gas, makes bellows cavity bottom hydrops in time discharge, avoids the hydrops to persist for a long time and corrodes the bellows wall.

Drawings

FIG. 1 is an axial cross-sectional view of the inventive autonomous liquid discharge pipe compensator;

in the figure, 1 is a corrugated pipe, 2 is a first end pipe, 3 is a guide pipe, 4 is a Venturi pipe, 5 is a suction pipe, and 6 is a second end pipe.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Pipeline compensator of autonomic flowing back, as shown in fig. 1, including bellows 1, the relative both ends of bellows 1 rigid coupling respectively has first end pipe 2 and second end pipe 6, is provided with pipe 3 between first end pipe 2 and the second end pipe 6, and pipe 3 sets up in bellows 1, and 3 bottom rigid couplings of pipe have the liquid device of drawing, and the one end of drawing the liquid device is close to the bottom setting of bellows 1. Because the pipe wall of bellows 1 is too thin, pipeline lug connection in unable direct and the gas transportation pipe network, consequently weld first end pipe 2 and second end pipe 6 respectively at the both ends of bellows 1, through the pipe connection in first end pipe 2 and the second end pipe 6 and the pipe network, the hydrops store up with the bottom of bellows 1, flow through when gas, produce the low-pressure zone in the pipe 3, the hydrops gets into in pipe 3 through drawing the liquid device, along with gaseous discharge in following bellows 1.

The liquid guiding device comprises a suction pipe 5, the suction pipe 5 penetrates through the bottom surface of the guide pipe 3, a pipe body of the suction pipe 5 is fixedly connected with the bottom surface of the guide pipe 3, one end of the suction pipe 5 is arranged close to the bottom of the corrugated pipe 1, the other end of the suction pipe 5 is fixedly connected with a venturi tube 4, and the venturi tube 4 is arranged inside the guide pipe 3. When the gas flows through the venturi tube 4, a low pressure region is generated due to the venturi effect, and the liquid accumulation flows from the suction pipe 5 to the venturi tube 4 and is discharged along with the gas.

The end of the suction pipe 5 is communicated with the throat of the Venturi tube 4, and the axis of the Venturi tube 4 is parallel to the axis of the corrugated pipe 1. The axis of the Venturi tube 4 is parallel to the axis of the corrugated tube 1, so that when gas flows through the Venturi tube 4, a low-pressure area is easily generated in the throat of the Venturi tube.

The first end pipe 2 and the second end pipe 6 are respectively welded with two ends of the corrugated pipe 1.

The conduit 3 is fixedly connected with the second end pipe 6. The bellows 1 can be smoothly deformed when gas passes through the bellows, and the position of the guide pipe 3 can be stabilized.

The utility model discloses pipeline compensator theory of operation of autonomic flowing back as follows:

connect this device in the pipeline in the coal gas delivery pipe network, when the gas flow through this device, wherein part gas flow through venturi 4, because venturi effect produces the low-pressure zone, the hydrops of bellows 1 bottom is impressed in straw 5, again flows into the throat department of venturi 4 through straw 5, then the hydrops is along with gas escape again.

The utility model discloses the pipeline compensator of autonomic flowing back through the low-pressure area that the venturi effect produced, the hydrops is because the pressure difference flows, along with being discharged, avoids the hydrops to persist for a long time and corrodes the ripple pipe wall, the phenomenon of coal gas leakage appears, the life of extension fixture reduces the manufacturing cost of enterprise, whole device simple structure, practicality are strong, the assembly cost is low.

Claims

1. Pipeline compensator of autonomic flowing back, its characterized in that includes bellows (1), the both sides that bellows (1) is relative are the rigid coupling respectively has first end pipe (2) and second end pipe (6), be provided with pipe (3) between first end pipe (2) and second end pipe (6), pipe (3) set up in bellows (1), pipe (3) bottom rigid coupling has the liquid device of drawing, the one end of drawing the liquid device is close to the bottom setting of bellows (1).

2. The pipeline compensator of the autonomous liquid drainage as claimed in claim 1, wherein the liquid guiding device comprises a suction pipe (5), the suction pipe (5) penetrates through the bottom surface of the conduit (3), a pipe body of the suction pipe (5) is fixedly connected with the bottom surface of the conduit (3), one end of the suction pipe (5) is arranged close to the bottom of the corrugated pipe (1), and the other end of the suction pipe (5) is fixedly connected with a venturi tube (4).

3. The pipe compensator of autonomous drainage according to claim 2, characterized in that the end of the suction pipe (5) communicates with the throat of the venturi tube (4), the axis of the venturi tube (4) being arranged parallel to the axis of the bellows (1).

4. The conduit compensator of autonomous drainage according to claim 1, characterized in that the first end tube (2) and the second end tube (6) are welded to both ends of the corrugated tube (1), respectively.

5. The pipe compensator of autonomous drainage according to claim 1, characterized in that the conduit (3) is solidly connected to the second end pipe (6).