CN210291139U

CN210291139U - Pipeline protection device

Info

Publication number: CN210291139U
Application number: CN201921070718.2U
Authority: CN
Inventors: 韩艳; 范仲斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-10
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a pipeline protection device, which belongs to the technical field of chemical pipeline transportation and is used for solving the technical problem that when the sealing performance of the flange connecting position of a pipeline in the prior art is gradually attenuated, fluid substances in the pipeline leak or splash from the flange connecting position; the utility model is provided with a first cover body and a second cover body, wherein, the two ends of the first cover body are fixedly connected with a first bayonet, the two ends of the second cover body are fixedly connected with a second bayonet, and the first cover body and the second cover body are fixedly connected outside the flange connection position of the pipeline through a connecting seat; a first sealing device in sealing contact with the outer wall of the pipeline is laid on the first bayonet and the second bayonet; the first cover body and the second cover body surface of mutual contact have installed second sealing device with pipeline axis symmetry, and inside first sealing device was invaded to second sealing device's tip and formed confined sealed loop with first sealing device, the utility model discloses have novel structure, can effectively prevent the beneficial effect that flange joint position leaked, splashes.

Description

Pipeline protection device

Technical Field

The utility model relates to a chemical pipeline carries technical field, especially relates to a pipeline protector.

Background

In chemical production, a large amount of production raw materials need to be conveyed by pipelines, the safety performance of the chemical pipelines is very important, and if leakage occurs, unpredictable dangers are generated to the surrounding environment;

however, a complete pipeline conveying channel is formed by splicing a plurality of sections of pipelines, the two pipelines which are spliced with each other are usually connected by flanges, the flanges of the two pipelines are sealed by sealing elements, the sealing performance of the sealing elements is gradually reduced along with the lengthening of the service time, chemical raw materials in the pipelines are easy to leak from the splicing position of the two pipelines, if the pressure in the pipelines is high, the splashing phenomenon can occur, the production environment is influenced, the personal safety of workers is threatened, and potential safety hazards exist;

therefore, in view of the above problems, it is necessary to provide a pipeline protection device which has a novel structure and can effectively prevent leakage and splashing at the flange connection position of the chemical pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect that prior art exists, providing a novel structure, can effectively prevent the pipeline protector of chemical pipeline flange hookup location leakage, splash.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model discloses a pipeline protector, include:

a first cover body and a second cover body which are wrapped at the flange connecting position of the pipeline,

the first bayonet and the second bayonet are in contact with the outer wall of the pipeline;

the first bayonet is fixedly connected to two ends of the first cover body, the second bayonet is fixedly connected to two ends of the second cover body, and the first cover body and the second cover body are fixedly connected to the outer part of the flange connecting position of the pipeline through connecting seats;

a first sealing device in sealing contact with the outer wall of the pipeline is laid on the first bayonet and the second bayonet;

the surfaces of the first cover body and the second cover body which are contacted with each other are symmetrically provided with a second sealing device with the axis of the pipeline, and the end part of the second sealing device invades into the first sealing device and forms a closed sealing loop with the first sealing device.

Furthermore, both sides of the first sealing device are provided with notches;

the second sealing means end portion is capable of intruding into the gap and forming a closed sealing loop with the first sealing means.

Further, the second sealing device comprises a clamping groove formed in the first cover body and a sealing body arranged in the clamping groove;

the end part of the clamping groove extends into the notch;

the length of the sealing body is equal to that of the clamping groove;

the intrusion of the end of the sealing body into the breach can form a closed sealing loop with the first sealing means.

Further, the seal is the sealing strip of cylinder structure ground elasticity material, the diameter of seal is greater than the draw-in groove width and can overflow after the seal elastic deformation the draw-in groove.

Furthermore, the second sealing device further comprises a protrusion which is fixedly connected to the second cover body and has the length equal to that of the clamping groove, the protrusion is used for pressing the sealing body in the clamping groove, and the width of the protrusion is smaller than that of the clamping groove.

Further, the first sealing device is a sealing gasket made of an elastic material.

Further, the axial length of the first bayonet and the second bayonet is larger than the thickness of the side walls of the first cover body and the second cover body.

Furthermore, one end of the first cover body is fixedly connected with a flow guide port for discharging fluid substances in the first cover body, a sealing bolt is covered on the flow guide port, and the sealing bolt can be opened or covered on the flow guide port.

Furthermore, an inclined bottom wall is laid at the lower part of the inner wall of the first cover body;

the bottom wall extends from one end of the first cover body to the diversion opening end in a downward inclined mode.

Furthermore, the first cover body is positioned above the flow guide opening and is provided with an observation window for observing whether the first cover body has fluid substances.

In the technical scheme, the utility model provides a pair of pipeline protector, beneficial effect:

1. the utility model discloses a pipeline protection device includes the first cover body and the second cover body, the first cover body is provided with first bayonet socket, the second cover body is provided with the second bayonet socket, through laying first sealing device and pipeline outer wall sealing contact at first bayonet socket and second bayonet socket, and the second sealing device is installed on the surface of the first cover body and the second cover body mutual contact, inside first sealing device was invaded to second sealing device's tip, and form confined sealed loop with first sealing device, realize keeping apart the flange joint position of pipeline inside this pipeline protection device with sealing, effectively prevent that the flange joint position of pipeline from taking place to reveal, and bring the injury for production environment and staff's person when the splash phenomenon takes place, guarantee safety in production.

2. The utility model discloses a first sealing device, first sealing device include the circular arc section and link firmly the transitional coupling section in circular arc section both sides, through having seted up the opening at the transitional coupling section, the second sealing device tip can invade in the opening and form confined sealed loop with first sealing device.

3. The utility model discloses a first bayonet socket and second bayonet socket are greater than first cover body lateral wall thickness, second bayonet socket axial length through being greater than second cover body lateral wall thickness with first bayonet socket axial length, realize first sealing device and pipeline area of contact on first bayonet socket of increase and the second bayonet socket, guarantee this pipeline protector and pipeline contact position's leakproofness, improve its sealing reliability.

4. The first cover body of the utility model is fixedly connected with the diversion port through one end of the first cover body, and the diversion port is covered by the sealing bolt, so that when the flange connection position of the pipeline leaks and needs to be maintained, the sealing bolt is opened, and fluid substances can be discharged from the diversion port, thereby facilitating the maintenance;

in addition, the inclined bottom wall is laid at the lower part of the inner wall of the first cover body, and the bottom wall extends from one end of the first cover body to the flow guide port end in a downward inclined manner, so that the fluid substances accumulated in the first cover body are favorably ensured to be fully discharged from the flow guide port;

secondly, the first cover body is located the water conservancy diversion mouth top and has seted up the observation window, can observe first cover body inside through the observation window whether have fluid material, further brings the convenience for follow-up maintenance work.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural view of a first cover and a second cover of a pipeline protection device disclosed by the utility model when the first cover and the second cover are opened;

fig. 2 is a schematic view of the overall structure of a pipeline protection device disclosed by the present invention;

fig. 3 is a schematic structural diagram of a first cover body of a pipeline protection device disclosed by the present invention;

fig. 4 is a schematic structural diagram of a second cover body of the pipeline protection device disclosed by the present invention;

fig. 5 is a schematic structural view of a first sealing device of a pipeline protection device disclosed by the present invention.

Description of reference numerals:

1. a first cover body; 2. a second cover body; 3. a connecting seat; 4. a first sealing device; 5. a second sealing device; 100. a pipeline;

101. a first bayonet; 102. a flow guide port; 103. sealing the bolt; 104. a bottom wall; 105. an observation window;

201. a second bayonet;

401. a circular arc section; 402. a transition connection section; 403. opening the gap;

501. a card slot; 502. a seal body; 503. and (4) a bulge.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

See fig. 1, 2;

the utility model relates to a pipeline protection device, include:

a first housing 1 and a second housing 2 wrapped around the flange connection position of the pipeline 100,

and a first bayonet 101 and a second bayonet 201 in contact with the outer wall of the pipe 100;

the two ends of the first cover body 1 are fixedly connected with first bayonets 101, the two ends of the second cover body 2 are fixedly connected with second bayonets 201, and the first cover body 1 and the second cover body 2 are fixedly connected to the outer part of the flange connecting position of the pipeline 100 through connecting seats 3;

a first sealing device 4 in sealing contact with the outer wall of the pipeline 100 is laid on the first bayonet 101 and the second bayonet 201;

the surfaces of the first cover 1 and the second cover 2 which contact each other are provided with second sealing means 5 in axial symmetry with respect to the pipeline 100, and the ends of the second sealing means 5 penetrate into the first sealing means 4 and form a closed sealing loop with the first sealing means 4.

Specifically, as shown in fig. 1, the pipeline protection device includes a first cover 1 and a second cover 2, two ends of the first cover 1 are fixedly connected with a first bayonet 101, two ends of the second cover 2 are fixedly connected with a second bayonet 201, the first bayonet 101 and the second bayonet are in close contact with an outer wall of a pipeline 100 through a first sealing device 4, the pipeline protection device can be applied to a horizontally placed pipeline 100 or applied to a vertically placed pipeline 100, in this embodiment, taking the horizontally placed pipeline 100 as an example, as shown in fig. 2, the first cover 1 is located at a lower portion of the horizontally placed pipeline 100, the second cover 2 is located at an upper portion of the horizontally placed pipeline 100, a second sealing device 5 is symmetrically installed on a surface of the first cover 1, which is in contact with the second cover 2, with respect to an axis of the pipeline, an end of the second sealing device 5 intrudes into the first sealing device 4 and forms a closed sealing loop with the first sealing device 4, six connecting seats 3 are distributed on the outer walls of the first cover body 1 and the second cover body 2 correspondingly, the first cover body 1 and the second cover body 2 are fixedly connected to the external part of the flange connection of the pipeline 100 through bolt assemblies between the connecting seats 3, and the first sealing device 4 and the second sealing device 5 are compressed to enable the flange connection position of the pipeline 100 to be isolated inside the pipeline protection device in a sealing mode, leakage of the flange connection position of the pipeline 100 is effectively prevented, and the phenomenon of splashing is avoided, so that the production environment and the personnel of workers are injured, and safety production is guaranteed.

See fig. 2, 5;

preferably, both sides of the first sealing device 4 are provided with notches 403;

the end of the second sealing means 5 can penetrate into the gap 403 and form a closed sealing loop with the first sealing means 4.

Specifically, referring to fig. 5, in this structure, the first sealing device 4 is preferably provided as a gasket made of an elastic material. The sealing body 502 can be a sealing gasket made of rubber, the first sealing device 4 comprises an arc section 401, a transition connection section 402 and a notch 403, the two sides of the arc section 401 are fixedly connected with the transition connection section 402, the transition connection section 402 is provided with the notch 403, the inner wall of the arc section 401 is tightly attached to the outer wall of the pipeline 100, the outer wall of the arc section 401 is tightly attached to the first bayonet 101 or the second bayonet 201, the transition connection section 402 is in sealing connection with the second sealing device 5, and the second sealing device 5 can intrude into the notch 403 to form a closed sealing loop with the first sealing device 4, when the bolt assembly on the connecting seat 3 applies clamping force, the gap 403 is elastically deformed, the width of the gap 403 is narrowed and tightly attached to the outer wall of the first sealing device 4, the sealing performance of the connecting position of the first sealing device 4 and the second sealing device 5 is ensured, and meanwhile, the sealing performance of the pipeline protection device is ensured.

As shown in fig. 1;

preferably, the second sealing device 5 comprises a clamping groove 501 arranged on the first cover body 1 and a sealing body 502 arranged in the clamping groove 501;

the end of the card slot 501 extends into the opening 403;

the length of the sealing body 502 is equal to that of the clamping groove 501;

the end of the sealing body 502 penetrating into the gap 403 can form a closed sealing loop with the first sealing means 4.

Specifically, in the structure, the second sealing device 5 includes a clamping groove 501 and a sealing body 502, the sealing body 502 may be a sealing strip made of rubber, the length of the sealing body 502 is equal to the length of the clamping groove 501, the sealing body 502 penetrates into a gap 403 of the transition connection section 402 through the end portion of the sealing body 502 to form a closed sealing loop with the first sealing device 4, when in use, the sealing body 502 is installed in the clamping groove 501, the end portion is placed in the gap 403, the second cover body 2 is placed on the upper portion of the first cover body 1, when a bolt assembly on the connection seat 3 applies a clamping force, the sealing body 502 tightly adheres to the first cover body 1 and the second cover body 2, the sealing performance of the connection position of the first sealing device 4 and the second sealing device 5 is ensured, and by placing the sealing body 502 in the clamping groove 501, it is beneficial to prevent the internal pressure of the pipeline protection device from being too large, the sealing body 502 is extruded, further improving the sealing performance of the pipeline protection device.

See fig. 1, 3;

preferably, the sealing body 502 is a sealing strip with a cylindrical structure and made of an elastic material, the diameter of the sealing body 502 is larger than the width of the clamping groove 501, and the sealing body 502 can overflow the clamping groove 501 after being elastically deformed.

Specifically, the sealing body 502 can select for use the sealing strip of cylinder structure ground rubber material, the bolt assembly on connecting seat 3 applys the clamp force and makes, by extrusion elasticity, and, the diameter of sealing body 502 is greater than draw-in groove 501 width, when sealing body 502 is extrudeed, can overflow draw-in groove 501 increase sealing body 502 and the first cover body 1 and the 2 area of contact of second cover body after the sealing body 502 elastic deformation, and simultaneously, sealing body 502 tip also can be better opening 403 lateral wall and closely laminate, further improve this pipeline protector's sealing performance.

As shown in fig. 4;

preferably, the second sealing device 5 further comprises a protrusion 503 which is attached to the second cover 2 and has a length equal to the length of the slot 501, for pressing the sealing body 502 into the slot 501, and the width of the protrusion 503 is smaller than the width of the slot 501.

Specifically, the width of the protrusion 503 is smaller than the width of the clamping groove 501, the sealing body 502 is pressed in the clamping groove 501 through the protrusion 503, the internal pressure of the pipeline protection device is further prevented from being too large, the sealing body 502 is extruded out from the space between the first cover body 1 and the second cover body 2, and the sealing reliability of the pipeline protection device is guaranteed.

See fig. 3 and 4;

preferably, the axial length of the first bayonet 101 and the second bayonet 201 is greater than the thickness of the side walls of the first cover 1 and the second cover 2. Specifically, the length of the first bayonet 101 and the second bayonet 201 is greater than the thickness of the side walls of the first cover body 1 and the second cover body 2, so that the contact area between the first sealing device 4 on the first bayonet 101 and the second bayonet 201 and the pipeline 100 is increased, the sealing performance of the contact position between the pipeline protection device and the pipeline 100 is ensured, and the sealing reliability is improved.

See fig. 1, 3, for illustration;

preferably, one end of the first housing 1 is further fixedly connected with a diversion port 102 for discharging fluid substances in the first housing 1, the diversion port 102 is covered with a sealing bolt 103, and the sealing bolt 103 can open or cover the diversion port 102.

Specifically, a diversion port 102 is fixedly connected to one end of the first cover body 1, a sealing bolt 103 is installed on the diversion port 102, when the flange connection position of the pipeline 100 leaks and needs to be maintained, the sealing bolt 103 is opened, and fluid substances can be discharged from the diversion port 102, so that the maintenance is convenient.

As shown in fig. 3;

preferably, an inclined bottom wall 104 is laid at the lower part of the inner wall of the first cover body 1;

the bottom wall 104 extends from one end of the first cover 1 to the diversion port 102 end obliquely downward.

Specifically, the inclined bottom wall 104 is laid at the lower part of the inner wall of the first cover body 1, and the bottom wall 104 extends from one end of the first cover body 1 to the end of the diversion port 102 in a downward inclination manner, so that the fluid substances accumulated in the first cover body 1 can be ensured to be sufficiently discharged from the diversion port 102.

See fig. 1, 3;

preferably, the first cover 1 is provided with an observation window 105 above the diversion opening 102 for observing whether the first cover 1 has fluid substances.

Specifically, an observation window 105 is formed above the diversion opening 102, and whether a fluid substance exists in the first cover body 1 can be observed through the observation window 105, so that maintenance is facilitated.

In the above technical solution, the utility model provides a pipeline protection device;

the using method comprises the following steps: referring to fig. 1, the first sealing device 4 is installed in the first bayonet 101 of the first cover body 1 and the second bayonet 201 of the second cover body 2, and the sealing body 502 of the second sealing device 5 is installed in the clamping groove 501;

the first cover body 1 is placed at the lower part of the flange connection position of the pipeline 100, the second cover body 2 is placed above the first cover body 1, the connection seats 3 of the first cover body 1 and the second cover body 2 are aligned, the first cover body 1 and the second cover body 2 are fixedly connected together through the bolt assembly, the first sealing device 4 is tightly attached to the outer wall of the pipeline 100, the sealing body 502 of the second sealing device 5 is pressed by the bulge 503 in the clamping groove 501 to seal a gap between the first cover body 1 and the second cover body 2 and form a sealing loop with the first sealing device 4, and the flange connection position of the pipeline 100 is hermetically wrapped inside the first cover body 1 and the second cover body 2.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A pipeline guard comprising:

a first cover body (1) and a second cover body (2) which are wrapped at the flange connecting position of the pipeline (100),

and a first bayonet (101) and a second bayonet (201) in contact with the outer wall of the pipe (100);

the two ends of the first cover body (1) are fixedly connected with the first bayonets (101), the two ends of the second cover body (2) are fixedly connected with the second bayonets (201), and the first cover body (1) and the second cover body (2) are fixedly connected to the outer portions of the flange connection positions of the pipelines (100) through the connecting seats (3);

a first sealing device (4) in sealing contact with the outer wall of the pipeline (100) is laid on the first bayonet (101) and the second bayonet (201);

the surfaces of the first cover body (1) and the second cover body (2) which are contacted with each other are symmetrically provided with a second sealing device (5) by an axis of a pipeline (100), and the end part of the second sealing device (5) invades into the first sealing device (4) and forms a closed sealing loop with the first sealing device (4).

2. A pipeline guard according to claim 1, wherein;

two sides of the first sealing device (4) are provided with notches (403);

the end of the second sealing device (5) can intrude into the gap (403) and form a closed sealing loop with the first sealing device (4).

3. A pipeline guard according to claim 2, wherein;

the second sealing device (5) comprises a clamping groove (501) formed in the first cover body (1) and a sealing body (502) arranged in the clamping groove (501);

the end part of the clamping groove (501) extends into the notch (403);

the length of the sealing body (502) is equal to that of the clamping groove (501);

the end of the sealing body (502) penetrates into the gap (403) to form a closed sealing loop with the first sealing device (4).

4. A pipeline guard according to claim 3, wherein;

the sealing body (502) is a sealing strip made of elastic materials in a cylindrical structure, the diameter of the sealing body (502) is larger than the width of the clamping groove (501), and the sealing body (502) can overflow the clamping groove (501) after being elastically deformed.

5. A pipeline guard according to claim 4, wherein;

the second sealing device (5) further comprises a protrusion (503) which is fixedly connected to the second cover body (2) and has the length equal to that of the clamping groove (501), the protrusion is used for pressing the sealing body (502) in the clamping groove (501), and the width of the protrusion (503) is smaller than that of the clamping groove (501).

6. A pipeline guard according to claim 2, wherein;

the first sealing device (4) is a sealing gasket made of an elastic material.

7. A pipeline protector according to any one of claims 1 to 6 in which;

the axial length of the first bayonet (101) and the second bayonet (201) is larger than the thickness of the side walls of the first cover body (1) and the second cover body (2).

8. A pipeline protector according to any one of claims 1 to 6 in which;

one end of the first cover body (1) is fixedly connected with a flow guide port (102) and used for discharging fluid substances in the first cover body (1), a sealing bolt (103) is covered on the flow guide port (102), and the sealing bolt (103) can be opened or covered on the flow guide port (102).

9. A pipeline guard according to claim 8, wherein;

an inclined bottom wall (104) is laid at the lower part of the inner wall of the first cover body (1);

the bottom wall (104) extends from one end of the first cover body (1) to the diversion port (102) end in a downward inclination mode.

10. A pipeline guard according to claim 8, wherein;

the first cover body (1) is positioned above the flow guide opening (102) and is provided with an observation window (105) for observing whether the first cover body (1) has fluid substances or not.