CN217961063U - Fire retardant device for oil and gas pipeline - Google Patents

Fire retardant device for oil and gas pipeline Download PDF

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Publication number
CN217961063U
CN217961063U CN202222228441.XU CN202222228441U CN217961063U CN 217961063 U CN217961063 U CN 217961063U CN 202222228441 U CN202222228441 U CN 202222228441U CN 217961063 U CN217961063 U CN 217961063U
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China
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retardant
flame
pipeline
ring
oil
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CN202222228441.XU
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Inventor
牛宜辉
杜杭
谭云松
王文和
米红甫
孙艳
张子豪
刘珈雨知
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Chongqing University of Science and Technology
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Chongqing University of Science and Technology
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Abstract

The application discloses oil gas pipeline back-fire relief device belongs to piping installation technical field. The application provides oil gas pipeline back-fire relief device includes: the side wall of the flame-retardant pipeline is provided with a mounting opening, and the mounting opening is used for assembling a flame-retardant structure in the flame-retardant pipeline; the flame-retardant structure comprises a fixed frame, two fixing rings arranged on the fixed frame at intervals along the axial direction of the flame-retardant pipeline, and a flame-retardant core clamped between the two fixing rings, wherein the size of the fixed frame is matched with the size of the opening of the mounting opening; the first flange is fixedly arranged at an opening at one end of the flame-retardant pipeline; and the second flange is fixedly arranged at the opening at the other end of the flame-retardant pipeline. The utility model provides an oil gas pipeline back-fire relief device, fire-retardant core can obtain better fixed in fire-retardant pipeline to can bear great impact force, be favorable to improving the security and the reliability of oil gas pipeline back-fire relief device.

Description

Fire retardant device for oil and gas pipeline
Technical Field
The application relates to the technical field of pipeline equipment, in particular to an oil gas pipeline fire retardant device.
Background
In the field of plumbing, particularly in the application of oil and gas pipelines, fire arrestors are typically provided in the pipeline to prevent combustible gases or liquids from rapidly spreading to other areas of the pipeline when a section of the pipeline is burned.
In general, flame arresters on the market generally consist of a flame-arresting core, which is a solid material that can pass a gas and has numerous small passages or gaps, mostly only to prevent the spread of flames, and a flame-arrester housing. However, when combustible gas or combustible liquid in the pipeline burns, the explosion is generally accompanied by the deflagration, namely, the explosion can occur during the combustion, so that a larger shock wave is generated, and the larger shock wave easily causes the fire retardant core to shift or deform, so that the fire retardant core can not separate the pipeline, and the normal use of the fire retardant device is further influenced.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving one of the technical problems in the prior art. For this reason, this application provides an oil gas pipeline back-fire relief device, wherein, fire-retardant core can obtain better fixed in fire-retardant pipeline to can bear great shock wave, be favorable to improving the back-fire relief effect of oil gas pipeline back-fire relief device.
The oil and gas pipeline fire retardant device according to the application includes:
the side wall of the flame-retardant pipeline is provided with a mounting opening, and the mounting opening is used for assembling a flame-retardant structure in the flame-retardant pipeline;
the flame-retardant structure comprises a fixed frame, two fixing rings arranged on the fixed frame at intervals along the axial direction of the flame-retardant pipeline, and a flame-retardant core clamped between the two fixing rings, wherein the size of the fixed frame is matched with the size of the opening of the mounting opening;
the first flange is fixedly arranged at an opening at one end of the flame-retardant pipeline;
and the second flange is fixedly arranged at the opening at the other end of the flame-retardant pipeline.
According to oil gas pipeline fire relief device of this application embodiment, following beneficial effect has at least:
through set up the installing port on fire-retardant pipeline, the installing port is used for assembling fire-retardant structure, so, fire-retardant structure assembly is simple, and it is convenient to change. Among the fire-retardant structure, through pressing from both sides tight being fixed in between two solid fixed rings with fire-retardant core, so, fire-retardant core can obtain better fixed in fire-retardant pipeline, when oil gas pipeline takes place to detonate, solid fixed ring will fire-retardant core firmly centre gripping, can avoid fire-retardant core to take place to shift or take place great deformation to can ensure fire-retardant structure normal use, with the safety in utilization that improves the oil gas pipeline and prolong the life of oil gas pipeline.
According to some embodiments of the present application, the stationary ring comprises a plurality of coaxially arranged rings, and a connecting rod arranged radially and connecting each of the rings.
According to some embodiments of the application, two the fixed ring all with fixed frame can dismantle the connection.
According to some embodiments of the application, two limiting rings are symmetrically arranged on the fixing frame along the axial direction of the flame-retardant pipeline at intervals, and a gap for inserting the two fixing rings is formed between the two limiting rings; the fixed frame is assembled in when the installing port, the spacing ring with the inside wall of fire-retardant pipeline offsets and pastes.
According to some embodiments of the application, a positioning structure is arranged between the two fixing rings.
According to some embodiments of the application, one of them fixed ring is gone up and is provided with the locating hole along circumference array, another fixed ring is gone up and is provided with the reference column along circumference corresponding array, the reference column is used for inserting locate in the locating hole so that two fixed ring is relatively fixed.
According to some embodiments of the application, a diversion slope is arranged on one side, away from the fixing ring, of each limiting ring.
According to some embodiments of the present application, each of the fixing rings is connected with a buffer mechanism, the buffer mechanism comprises a spring and a baffle, and the spring is connected with the baffle and an end face of the fixing ring; in an assembly state, the spring is in a compression state, and the baffle abuts against the limiting ring.
According to some embodiments of the application, the barrier is annular and the springs are arranged in a circumferential array of the barrier in a number.
According to some embodiments of the application fixed frame with fill up between the installing port and be equipped with the sealing washer, fixed frame with the installing port passes through bolted connection.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a flame retardant conduit according to one embodiment of the present application.
Fig. 2 is a structural diagram of a fixing frame and a limiting ring according to an embodiment of the present disclosure.
FIG. 3 is a perspective view of an oil and gas pipeline fire stopping device in one embodiment of the application.
FIG. 4 is a cross-sectional view of an oil and gas pipeline firestop device in one embodiment of the present application.
FIG. 5 is an exploded view of a retaining ring and a flame retardant wick according to an embodiment of the present application.
Fig. 6 is a structural diagram of a buffer structure disposed on an end surface of a fixing ring according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, left, right, front, rear, and the like, referred to as positional or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
The oil and gas pipeline firestop device of the present application is described below with reference to fig. 1 to 6.
Referring to fig. 1, 3 to 5, the oil and gas pipeline fire retardant device of the present application includes a fire retardant pipeline 100, a fire retardant structure disposed in the fire retardant pipeline 100, and a first flange 210 and a second flange 220 disposed at openings at two ends of the fire retardant pipeline 100.
It will be appreciated that the first flange 210 and the second flange 220 are each adapted to be coupled to an oil and gas pipeline to couple the flame retardant pipeline 100 to the oil and gas pipeline.
Specifically, the side wall of the flame retardant pipeline 100 is provided with an installation opening 110, and the installation opening 110 is used for assembling the flame retardant structure in the flame retardant pipeline 100. It is to be understood that the width of the mounting opening 110 is adapted to the diameter of the flame retardant pipe 100 so that the fixing ring 320 can be placed in the flame retardant pipe 100.
Further, a sealing ring is arranged between the fixing frame 310 and the mounting opening 110 in a gasket manner, and the fixing frame 310 is connected with the mounting opening 110 through a bolt.
The flame retardant structure includes a fixing frame 310 and two fixing rings 320 disposed on the fixing frame 310. The two fixing rings 320 are spaced apart from each other in the axial direction of the flame-retardant duct 100, and thus, a gap for fastening the flame-retardant core 330 is formed between the two fixing rings 320. During assembly, after the flame-retardant core 330 is clamped between the two fixing rings 320, the whole flame-retardant structure is assembled in the mounting opening 110, so that the flame-retardant structure is simple and quick to assemble and convenient to replace.
The fixing ring 320 is fixedly connected with the fixing frame 310, and may be detachably connected. Specifically, if the fixing ring is fixedly connected, the fixing ring 320 may be fixedly disposed on the fixing frame 310 by welding or the like; if the detachable connection mode is adopted, the connection can be realized through connecting structures such as bolts and clamping grooves.
It should be appreciated that the retainer ring 320 is made of a metal material, such as a relatively rigid metal material, e.g., stainless steel, to enable the retainer ring 320 to withstand relatively large impacts without deforming or breaking.
It is understood that the flame retardant core 330 is formed by overlapping a plurality of stainless steel or copper meshes having a diameter of 0.23-0.315 mm. For example, typically 16-22 mesh metal mesh is used to stack 4-12 layers. Thus, the flame retardant core 330 has a certain deformation resistance.
Further, the flame retardant structure is only provided with two under the condition of fixing the ring 320, after the flame retardant structure is assembled on the flame retardant pipeline 100, the side wall of the fixing ring 320 abuts against the side wall of the flame retardant pipeline 100, so that the generation of a gap between the flame retardant structure and the inner side wall of the flame retardant pipeline 100 in the flame retardant pipeline 100 can be reduced, and the flame retardant effect is improved.
The oil and gas pipeline fire retardant device is arranged in such a way that the flame retardant core 330 can be well fixed by clamping and fixing the flame retardant core 330 between the two fixing rings 320, and when oil and gas at a certain position in an oil and gas pipeline explodes, the flame retardant core 330 can keep small deformation and small displacement, so that the partition performance of a flame retardant structure can be guaranteed; simultaneously, fire-retardant structure can dismantle the setting, greatly makes things convenient for the dismouting in its later stage to maintain. Consequently, the oil gas pipeline back-fire relief device of this application possesses higher security and reliability, and it is also comparatively convenient to maintain.
It will be appreciated that, with reference to FIG. 5, in some embodiments of the present application, the stationary ring 320 includes a plurality of coaxially disposed ring bodies 321, and connecting rods 322 radially disposed and connecting each ring body 321.
Specifically, in the same fixed ring 320, the ring bodies 321 are coaxially arranged on the same plane and have diameters that increase in order, and a plurality of connecting rods 322 are connected between the ring bodies 321, and the connecting rods 322 are arranged in the radial direction of the fixed ring 320. So, the area of contact with fire-retardant core 330 is bigger on the solid fixed ring 320, and when two solid fixed rings 320 with fire-retardant core 330 centre gripping between the two, thereby each ring body 321 on the solid fixed ring 320 can fully butt with fire-retardant core 330 and be favorable to keeping the fixed position of fire-retardant core 330 to can further improve the ability that fire-retardant core 330 bore impact force in the oil gas pipeline.
Further, the two fixing rings 320 are detachably connected to the fixing frame 310.
Specifically, referring to fig. 2 and 4, two retainer rings 340 are symmetrically and spaced apart from each other along the axial direction of the flame retardant pipe 100 on the fixing frame 310, and a gap for inserting the two retainer rings 320 is formed between the two retainer rings 340. Thus, after the flame retardant core 330 is clamped between the two fixing rings 320, the two fixing rings 320 with the flame retardant core 330 clamped therebetween are plugged in the gap between the two limiting rings 340, and then the assembly of the flame retardant structure can be completed.
Further, the spacing ring 340 is fixedly arranged on the fixing frame 310, for example, the spacing ring may be fixedly connected with the fixing frame 310 through bolts, or may be fixedly connected with the fixing frame 310 through welding, so that the flame retardant structure can ensure that the position relationship of each component is accurate during assembly, and the displacement is small during assembly, thereby facilitating improvement of the assembly precision.
Further, referring to fig. 4, when the fixing frame 310 is assembled at the installation opening 110, the limiting ring 340 abuts against the inner sidewall of the flame retardant pipeline 100. So, can effectively guarantee the leakproofness between the fire-retardant structure both sides in fire-retardant pipeline 100 to improve fire-retardant ability of fire-retardant pipeline 100.
It will be appreciated that to facilitate the two retaining rings 320 fitting into the gap between the two stop rings 340, a locating structure is provided between the two retaining rings 320.
For example, the positioning structure may be a bolt and a threaded hole, that is, a bolt is disposed on one of the fixing rings 320, and a threaded hole is correspondingly disposed on the other fixing ring 320. The bolts are screw-coupled with the screw holes to clamp the flame retardant core 330 between the two fixing rings 320 and keep the two fixing rings 320 relatively fixed.
For another example, referring to fig. 5, the positioning structure may be configured as follows:
positioning holes (not shown) are circumferentially arranged in an array on one of the fixing rings 320, and positioning columns 323 are circumferentially arranged on the other fixing ring 320 in a corresponding array, wherein the positioning columns 323 are used for being inserted into the positioning holes to relatively fix the two fixing rings 320.
After the flame retardant core 330 is placed between the two fixing rings 320, the positioning post 323 on one fixing ring 320 is inserted into the positioning hole on the other fixing ring 320, and the two fixing rings 320 are kept in a compressed state by external force and then are plugged into the gap between the two limit rings 340, so that the assembly of the flame retardant structure can be completed. Thus, the flame retardant structure is easy to disassemble, thereby facilitating the replacement of the flame retardant core 330.
Further, the positioning post 323 can be a tapered post, and correspondingly, the positioning hole is a tapered hole. Therefore, the two positioning columns 323 can be inserted into the positioning holes more conveniently in an aligned mode.
It will be appreciated that, with reference to fig. 2 and 4, in some embodiments of the present application, a diversion slope 341 is provided on a side of each stop collar 340 distal from the securing collar 320. When the lateral wall of spacing ring 340 and fire-retardant pipeline 100's inside wall offset, the bottom of water conservancy diversion slope 341 and fire-retardant pipeline 100's inside wall offset, and the top of water conservancy diversion slope 341 is connected with the through channel on the solid fixed ring 320, so, through setting up water conservancy diversion slope 341 for be formed with the water conservancy diversion face in solid fixed ring 320 department in fire-retardant pipeline 100, reduce the setting that sets up solid fixed ring 320 and to the extra resistance of oil gas circulation production, so that oil gas can be more smooth and easy flow in fire-retardant pipeline 100.
It will be appreciated that, with reference to FIG. 6, in some embodiments of the present application, a cushioning mechanism is attached to each of the retaining rings 320. Specifically, the damper mechanism includes a spring 352 and a stopper 351, the spring 352 connecting the stopper 351 and the end face of the fixed ring 320; in the assembled state, the spring 352 is in a compressed state and the stop 351 abuts the stop collar 340. It will be appreciated that in the assembled condition, the spring 352 is in a slightly compressed condition.
So, through setting up buffer gear for two solid fixed ring 320 centre grippings have fire-retardant core 330 and assemble the back between two spacing rings 340, if when certain department in the oil gas pipeline takes place to knock, under the drive of impact force, buffer gear can allow solid fixed ring 320 to follow the axial elastic movement of fire-retardant pipeline 100, thereby alleviate the impact of impact force to fire-retardant core 330, with the deformation that reduces fire-retardant core 330, thereby improve the life of fire-retardant core 330.
Further, referring to fig. 6, the blocking plate 351 is annular, and the springs 352 are arranged in several numbers along the circumferential array of the blocking plate 351. Thus, the springs 352 can uniformly relieve the impact force to prevent the fixing ring 320 from being jammed between the two position-limiting rings 340 due to the excessive impact force.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides an oil gas pipeline back-fire relief device which characterized in that includes:
the side wall of the flame-retardant pipeline is provided with a mounting opening, and the mounting opening is used for assembling a flame-retardant structure in the flame-retardant pipeline;
the flame-retardant structure comprises a fixed frame, two fixing rings arranged on the fixed frame at intervals along the axial direction of the flame-retardant pipeline, and a flame-retardant core clamped between the two fixing rings, wherein the size of the fixed frame is matched with the size of the opening of the mounting opening;
the first flange is fixedly arranged at an opening at one end of the flame-retardant pipeline;
and the second flange is fixedly arranged at the opening at the other end of the flame-retardant pipeline.
2. The oil and gas pipeline fire retardant device of claim 1, wherein: the fixed ring comprises a plurality of coaxially arranged ring bodies and connecting rods which are arranged along the radial direction and are connected with the ring bodies.
3. The oil and gas pipeline fire retardant device of claim 1, wherein: two the solid fixed ring all with fixed frame can dismantle the connection.
4. The oil and gas pipeline fire retardant device of claim 3, wherein: two limiting rings are symmetrically arranged on the fixing frame along the axial direction of the flame-retardant pipeline at intervals, and a gap for inserting the two fixing rings is formed between the two limiting rings; the fixed frame is assembled in when the installing port, the spacing ring with the inside wall of fire-retardant pipeline offsets and pastes.
5. The oil and gas pipeline fire retardant device of claim 4, wherein: and a positioning structure is arranged between the two fixing rings.
6. The oil and gas pipeline fire retardant device of claim 5, wherein: the fixing ring is provided with a positioning hole in a circumferential array, the other fixing ring is provided with positioning columns in a corresponding array in the circumferential direction, and the positioning columns are used for being inserted into the positioning holes so that the two fixing rings are fixed relatively.
7. The oil and gas pipeline fire retardant device of claim 4, wherein: and one side of each limiting ring, which is far away from the fixed ring, is provided with a flow guide slope.
8. The oil and gas pipeline fire retardant device of claim 4, wherein: each fixing ring is connected with a buffer mechanism, the buffer mechanism comprises a spring and a baffle, and the spring is connected with the baffle and the end face of the fixing ring; in an assembly state, the spring is in a compression state, and the baffle abuts against the limiting ring.
9. The oil and gas pipeline fire retardant device of claim 8, wherein: the baffle is the annular, the spring is followed the circumference array of baffle is provided with a plurality ofly.
10. The oil and gas pipeline fire retardant device of claim 1, wherein: the fixing frame and the sealing ring is arranged between the mounting openings in a cushioning mode, and the fixing frame is connected with the mounting openings through bolts.
CN202222228441.XU 2022-08-24 2022-08-24 Fire retardant device for oil and gas pipeline Active CN217961063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222228441.XU CN217961063U (en) 2022-08-24 2022-08-24 Fire retardant device for oil and gas pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222228441.XU CN217961063U (en) 2022-08-24 2022-08-24 Fire retardant device for oil and gas pipeline

Publications (1)

Publication Number Publication Date
CN217961063U true CN217961063U (en) 2022-12-06

Family

ID=84259886

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222228441.XU Active CN217961063U (en) 2022-08-24 2022-08-24 Fire retardant device for oil and gas pipeline

Country Status (1)

Country Link
CN (1) CN217961063U (en)

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