CN110878874A - Petroleum pipeline's anti-gas blocking device - Google Patents

Petroleum pipeline's anti-gas blocking device Download PDF

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Publication number
CN110878874A
CN110878874A CN201811036988.1A CN201811036988A CN110878874A CN 110878874 A CN110878874 A CN 110878874A CN 201811036988 A CN201811036988 A CN 201811036988A CN 110878874 A CN110878874 A CN 110878874A
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CN
China
Prior art keywords
moving plate
arc
pipeline
main body
pipeline main
Prior art date
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Pending
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CN201811036988.1A
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Chinese (zh)
Inventor
田晓燕
赵综凯
赵海潮
李泓锐
赵高楷
刘定开
戴征宇
李嗣洋
孙志
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Petrochina Co Ltd
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Petrochina Co Ltd
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Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201811036988.1A priority Critical patent/CN110878874A/en
Publication of CN110878874A publication Critical patent/CN110878874A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

The invention provides an anti-air blockage device of a petroleum pipeline, which comprises a pipeline, a moving plate component and an air pumping component, wherein the moving plate component is arranged on the pipeline; the pipeline comprises a pipeline main body and a slot, and the slot is arranged on the side wall of the pipeline main body; the moving plate assembly is used for closing the open groove, the moving plate assembly is connected with the pipeline main body in a sliding mode, and the sliding direction of the moving plate assembly relative to the pipeline main body is parallel to the axial direction of the pipeline; the movable plate component is provided with the air exhaust component, and the air exhaust component is communicated with the inside and the outside of the pipeline main body and is used for exhausting the gas in the pipeline main body. The invention provides an anti-gas blockage device for a petroleum pipeline, which can discharge gas at the upper part of the petroleum pipeline and prevent the petroleum pipeline from being gas blocked.

Description

Petroleum pipeline's anti-gas blocking device
Technical Field
The invention relates to the technical field of petroleum transportation, in particular to an air blockage preventing device for a petroleum pipeline.
Background
The petroleum pipeline consists of a plurality of groups of oil pipelines, and when a circulating pump in the oil pipelines is pressurized, petroleum in the pipelines is pressurized by the circulating pump without air bubbles and then circularly runs: if the circulating oil is lost for some reason, a large amount of gas is present in the upper part of the oil pipeline. Because the density of the air is less than that of the oil, the oil at the high-pressure end is blocked because the air is not pressed down, so that the oil in the oil pipeline cannot be circularly conveyed.
In the prior art, no effective device for preventing the gas blockage of the oil pipeline exists.
Disclosure of Invention
The invention provides an anti-gas blockage device for a petroleum pipeline, which can discharge gas at the upper part of the petroleum pipeline and prevent the petroleum pipeline from being gas blocked.
The invention provides an anti-air blockage device of a petroleum pipeline, which comprises a pipeline, a moving plate component and an air pumping component, wherein the moving plate component is arranged on the pipeline;
the pipeline comprises a pipeline main body and a slot, and the slot is arranged on the side wall of the pipeline main body;
the moving plate assembly is used for closing the open groove, the moving plate assembly is connected with the pipeline main body in a sliding mode, and the sliding direction of the moving plate assembly relative to the pipeline main body is parallel to the axial direction of the pipeline;
the movable plate component is provided with the air exhaust component, and the air exhaust component is communicated with the inside and the outside of the pipeline main body and is used for exhausting the gas in the pipeline main body.
According to the petroleum pipeline anti-gas blockage device provided by the invention, the movable plate component and the air exhaust component are arranged at the slotting part of the pipeline main body, the air exhaust component can exhaust gas in the pipeline, the movable plate component can slide relative to the pipeline to change the air exhaust position of the air exhaust component, so that the gas in the pipeline is exhausted more fully, and the petroleum pipeline gas blockage can be effectively prevented.
The air blocking prevention device as described above, the moving plate assembly comprising: the arc-shaped moving plate is connected to the inside of the pipeline main body in a sliding mode and used for sealing the open slot;
the air extraction assembly comprises: the vertical pipe is located inside the pipeline main body, the upper end of the vertical pipe is located at the top of the pipeline main body, the horizontal pipe is communicated with the vertical pipe, and the horizontal pipe penetrates through and extends out of the arc-shaped moving plate.
The air blocking prevention device comprises the air pumping assembly and a control unit, wherein the air pumping assembly comprises: one-way valves and air pumps;
the check valve and the air pump are arranged on the transverse pipe extending out of the arc-shaped moving plate.
The air blocking prevention device as described above, the moving plate assembly further comprising: a mounting seat and an outer arc strip;
the mounting seat is fixedly connected to the middle of the outer side of the arc-shaped moving plate, and the transverse pipe penetrates through and extends out of the arc-shaped moving plate and the mounting seat;
the upper end and the lower end of the mounting seat are fixedly connected with the outer arc-shaped strips respectively, and the outer arc-shaped strips are attached to the outer side face of the pipeline main body.
The air blocking prevention device as described above, the moving plate assembly further comprising: a limiting plate;
the upper end and the lower end of the outer side surface of the arc-shaped moving plate are fixedly connected with the limiting plates respectively, and the two limiting plates are attached to the upper end face and the lower end face of the groove respectively.
The air blocking prevention device as described above, the moving plate assembly further comprising: the side arc-shaped plate and the convex seat;
the two ends of the inner side surface of the arc-shaped moving plate are respectively provided with the side arc-shaped plates, the upper ends and the lower ends of the side arc-shaped plates are respectively provided with the convex seats, and the convex seats are fixedly connected with the pipeline main body through screws;
the arc moving plate is connected with the side arc plates in a sliding mode, and the sliding direction of the arc moving plate relative to the side arc plates is parallel to the axial direction of the pipeline.
The air blocking prevention device as described above, the moving plate assembly further comprising: the rubber strip comprises a transverse rubber strip, a transverse rubber strip groove and a side rubber strip;
the upper end and the lower end of the arc-shaped moving plate are provided with the transverse rubber strip grooves, the transverse rubber strips are bonded in the two transverse rubber strip grooves, and the transverse rubber strips are attached to the inner side surface of the pipeline main body;
the two side arc-shaped plates are respectively bonded with the side rubber strips, and the side rubber strips are attached to the inner side faces of the pipeline main body.
The air blockage preventing device further comprises: a control frame;
the control frame is fixedly connected with the moving plate assembly and used for driving the moving plate assembly to slide relative to the pipeline main body.
According to the air blockage prevention device, the control frame comprises a threaded column, a middle rod, an extension rod and a hexagonal rotary head;
the length direction of the threaded column is parallel to the axial direction of the pipeline, the middle rod is fixedly connected to the lower end of the mounting seat, and the middle end of the threaded column is matched with the middle rod through threads;
two ends of the threaded column are respectively inserted on the two extension rods, and the extension rods are fixedly connected with the pipeline main body;
the two ends of the threaded column are respectively connected with the hexagonal rotary heads.
The air blockage prevention device as described above, the control frame further comprising: a limiting ring;
the two limiting rings are fixedly connected to two ends of the threaded column respectively, and the limiting rings are attached to the outer side of the extension rod and used for limiting the position of the extension rod.
According to the petroleum pipeline anti-gas blockage device provided by the invention, the movable plate component and the air exhaust component are arranged at the slotting part of the pipeline main body, the air exhaust component can exhaust gas in the pipeline, the movable plate component can slide relative to the pipeline to change the air exhaust position of the air exhaust component, so that the gas in the pipeline is exhausted more fully, and the petroleum pipeline gas blockage can be effectively prevented. Furthermore, the moving plate assembly comprises an arc moving plate capable of sliding relative to the pipeline main body, and an outer arc plate, a side arc plate, a limiting plate and other structures for limiting the displacement of the arc moving plate, so that the whole structure is simple and easy to realize; through setting up the control frame that has screw thread post and hexagonal head, the rotation hexagonal head of turning can drive the screw thread post and rotate, and then realizes the slip of arc movable plate for pipeline main part, easy operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an anti-gas blockage device for a petroleum pipeline according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a pipeline provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of an anti-gas blockage device for a petroleum pipeline according to an embodiment of the present invention;
fig. 4 is a first schematic structural diagram of a moving plate assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a moving plate assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a moving plate assembly according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a pumping assembly according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a control rack according to an embodiment of the present invention.
Reference numerals:
100-pipe
11-pipe body
12-grooving
200-moving plate assembly
21-arc moving plate
22-mounting seat
23-outer arc strip
24-position limiting plate
25-side arc plate
26-convex seat
27-horizontal rubber strip
28-horizontal rubber strip groove
29-side rubber strip
300-air extraction assembly
31-vertical tube
32-horizontal tube
33-check valve
34-air pump
400-control rack
41-screw thread column
42-middle rod
43-extension bar
44-hexagonal rotary head
45-spacing ring
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
The invention is described below in connection with specific embodiments with reference to the following drawings.
Fig. 1 is a schematic overall structure view of an anti-gas blockage device for a petroleum pipeline according to an embodiment of the present invention, fig. 2 is a schematic structural view of a pipeline according to an embodiment of the present invention, fig. 3 is a schematic internal structure view of an anti-gas blockage device for a petroleum pipeline according to an embodiment of the present invention, and referring to fig. 1 to fig. 3, an anti-gas blockage device for a petroleum pipeline according to an embodiment of the present invention includes a pipeline 100, a moving plate assembly 200, and an air suction assembly 300; the pipeline 100 comprises a pipeline body 11 and a slot 12, wherein the slot 12 is arranged on the side wall of the pipeline body 11; the moving plate assembly 200 is used for closing the slot 12, the moving plate assembly 200 is connected with the pipeline main body 11 in a sliding manner, and the sliding direction of the moving plate assembly 200 relative to the pipeline main body 11 is parallel to the axial direction of the pipeline 100; the moving plate assembly 200 is mounted with an air extracting assembly 300, and the air extracting assembly 300 communicates with the inside and the outside of the duct main body 11 for extracting the air inside the duct main body 11.
Specifically, the slot 12 may be a rectangular slot or a slot of other shape. The moving plate assembly 200 should be able to completely close the slot 12 to prevent leakage of fluid within the pipe 100. The area of the moving plate assembly 200 should be larger than the area of the slot 12 to ensure that the moving plate assembly 200 can completely close the slot 12 and have a large space to slide to change positions.
Wherein the moving plate assembly 200 slides relative to the duct body 11 to change the operation position of the pumping assembly 300. The moving plate assembly 200 is slidably connected to the duct body 11, and the specific manner of sliding connection is not particularly limited in this embodiment. The moving plate assembly 200 can be slidably connected by means of a slide rail or the like, and care should be taken to ensure that the sealing performance between the moving plate assembly 200 and the pipeline main body 11 is good during the sliding process.
The working principle of the gas blockage prevention device for the petroleum pipeline provided by the embodiment of the invention is as follows: the slot 12 can allow the moving plate assembly 200 to slide along the axial direction of the pipeline 100, the moving plate assembly 200 slides to drive the air pumping assembly 300 to slide, and the air pumping assembly 300 can pump out air at different positions inside the pipeline main body 11, so as to prevent the petroleum pipeline from being blocked by air.
According to the petroleum pipeline anti-gas blockage device provided by the embodiment of the invention, the movable plate component and the air exhaust component are arranged at the slotting part of the pipeline main body, the air exhaust component can exhaust gas in the pipeline, and the movable plate component can slide relative to the pipeline to change the air exhaust position of the air exhaust component, so that the gas in the pipeline is exhausted more fully, and the petroleum pipeline gas blockage can be effectively prevented.
The structure of each member will be described in detail below using a more detailed example.
Fig. 4 is a first structural schematic diagram of a moving plate assembly provided in an embodiment of the present invention, fig. 5 is a second structural schematic diagram of a moving plate assembly provided in an embodiment of the present invention, fig. 6 is a third structural schematic diagram of a moving plate assembly provided in an embodiment of the present invention, and fig. 7 is a structural schematic diagram of an air pumping assembly provided in an embodiment of the present invention, referring to fig. 1 to 7, in the embodiment, the moving plate assembly 200 includes: the arc moving plate 21 is connected to the inner part of the pipeline main body 11 in a sliding mode and used for closing the open groove 12; the air extraction assembly 300 includes: a vertical pipe 31 and a horizontal pipe 32, wherein the vertical pipe 31 is located inside the pipeline main body 11, the upper end of the vertical pipe 31 is located on the top of the pipeline main body 11, the horizontal pipe 32 is communicated with the vertical pipe 31, and the horizontal pipe 32 penetrates through and extends out of the arc moving plate 21.
The arc moving plate 21 is an arc plate-shaped structure, and the arc structure of the arc moving plate is consistent with the arc surface of the inner side wall of the pipeline main body 11 so as to be attached to the inner side wall of the pipeline main body 11 and cover the inside of the open groove 12. The slot 12 can be covered by the arc moving plate 21 and can slide left and right. When the arc moving plate 21 slides in the axial direction of the duct 100, i.e., slides left and right, the vertical pipe 31 and the horizontal pipe 32 move left and right, so that when air blockage occurs in the inner upper end of the duct main body 11, air can be pumped out using the vertical pipe 31 and the horizontal pipe 32.
Specifically, since the gas inside the pipe body 11 is accumulated at the top of the pipe body 11, the upper end of the standpipe 31 should be located at the top of the pipe body 11 to sufficiently discharge the gas inside the pipe body 11. The vertical pipe 31 and the horizontal pipe 32 are at an angle, and the horizontal pipe 32 is used for communicating with the vertical pipe 31 and is connected with the moving plate assembly 100 to change the position of the vertical pipe 31 and more fully exhaust the gas at different positions inside the pipeline main body 11.
Further, the air exhaust assembly 300 further includes: a check valve 33 and a suction pump 34; a check valve 33 and a suction pump 34 are provided on the cross tube 32 extending out of the arc moving plate 21. The suction pump 34 can perform suction so as to draw air in the duct main body 11 through the vertical tube 31 and the horizontal tube 32, and the check valve 33 functions to prevent the air from flowing backward into the duct main body 11. Specifically, the check valve 33 is positioned closer to the vertical tube 31, and the air flow passes through the vertical tube 31, the horizontal tube 32, the check valve 33, and the suction pump 44, and is finally discharged from the inside of the duct main body 11.
On the basis of the above embodiment, the moving plate assembly 200 further includes: a mounting seat 22 and an outer arc-shaped strip 23; the mounting seat 22 is fixedly connected to the middle of the outer side of the arc moving plate 21, and the horizontal pipe 32 penetrates through and extends out of the arc moving plate 21 and the mounting seat 22; the upper end and the lower end of the mounting seat 22 are respectively fixedly connected with an outer arc-shaped strip 23, and the outer arc-shaped strip 23 is attached to the outer side surface of the pipeline main body 11.
The mounting seat 22 and the arc moving plate 21 are of an integrated structure, the horizontal tube 32 penetrates through the arc moving plate 21 and the mounting seat 22, and the mounting seat 22 can play a role in supporting the horizontal tube 32. The two outer arc strips 23 can limit the arc moving plate 21 from moving back and forth, and the arc moving plate 21 moves along the axial direction of the pipeline 100, that is, moves left and right, and the two outer arc strips 23 are attached to the outer side surface of the pipeline main body 11 to move left and right synchronously. Alternatively, cross tube 32 is inserted over mount 22 with an interference fit, and cross tube 32 is sealingly connected to mount 22 by welding.
The moving plate assembly 200 further includes: a retainer plate 24; the upper end and the lower end of the outer side surface of the arc-shaped moving plate 21 are respectively and fixedly connected with a limiting plate 24, and the two limiting plates 24 are respectively attached to the upper end surface and the lower end surface of the slot 12. When the arc moving plate 21 slides left and right in the pipeline main body 11, the two limit plates 24 can limit the arc moving plate 21 from moving up and down.
Further, the moving plate assembly further comprises: side arc plates 25 and bosses 26; two ends of the inner side surface of the arc-shaped moving plate 21 are respectively provided with a side arc-shaped plate 25, the upper end and the lower end of the side arc-shaped plate 25 are respectively provided with a convex seat 26, and the convex seats 26 are fixedly connected with the pipeline main body 11 through screws; the arc moving plate 21 is connected with the side arc plates 25 in a sliding way, and the sliding direction of the arc moving plate 21 relative to the side arc plates 25 is parallel to the axial direction of the pipeline.
The side arc plates 25 are fixedly attached to the duct body 11, and can restrict the displacement of the arc moving plate 21 in a direction perpendicular to the axial direction of the duct 100, that is, the displacement of the arc moving plate 21 in the front-rear direction. Since the arcuate moving plate 21 is slidably coupled to the side arcuate plates 25, the side arcuate plates 25 do not affect the left-right sliding of the arcuate moving plate 21.
In order to ensure the sealing performance between the moving plate assembly 200 and the duct 100, in this embodiment, the moving plate assembly 200 further includes: a transverse rubber strip 27, a transverse rubber strip groove 28 and a side rubber strip 29; the upper end and the lower end of the arc moving plate 21 are provided with transverse rubber strip grooves 28, transverse rubber strips 27 are bonded in the two transverse rubber strip grooves 28, and the transverse rubber strips 27 are bonded with the inner side surface of the pipeline main body 11; the two side arc plates 25 are respectively bonded with a side rubber strip 29, and the side rubber strips 29 are attached to the inner side surface of the pipeline main body 11. The lateral rubber strips 27 and the side rubber strips 29 may function as seals between the arcuate moving plate 21 and the duct body 11 as the arcuate moving plate 21 moves within the duct body 11.
On the basis of the above embodiment of the invention, fig. 8 is a schematic structural diagram of a control rack according to an embodiment of the invention, and the gas blockage prevention device for a petroleum pipeline of this embodiment further includes: a control frame 400; the control frame 400 is fixedly connected to the moving plate assembly 200, and is used for driving the moving plate assembly 200 to slide relative to the pipeline main body 11.
Specifically, the control frame 400 comprises a threaded column 41, a middle rod 42, an extension rod 43, a hexagonal head 44 and a limit ring 45; the length direction of the threaded column 41 is parallel to the axial direction of the pipeline 100, the middle rod 42 is fixedly connected to the lower end of the mounting seat 22, and the middle end of the threaded column 41 is matched with the middle rod 42 through the threads 41; two ends of the threaded column 41 are respectively inserted on two extension rods 43, and the extension rods 43 are fixedly connected with the pipeline main body 11; the two ends of the threaded column 41 are respectively connected with a hexagonal screw head 44. The two limiting rings 45 are fixedly connected to two ends of the threaded column 41 respectively, and the limiting rings 45 are attached to the outer side of the extension rod 43 and used for limiting the position of the extension rod 43.
By rotating any one hexagonal head 44, the threaded column 41 can be driven to rotate, and when the threaded column 41 rotates, the middle rod 42 can be driven to move left and right, so that the mounting seat 22 and the arc-shaped moving plate 21 are driven to slide left and right.
The working principle of the gas blockage prevention device for the petroleum pipeline provided by the embodiment of the invention is as follows: when any one of the hexagonal heads 44 is rotated, the threaded post 41 is driven to rotate, and when the threaded post 41 is rotated, the middle rod 42 is driven to move left and right, so that the mounting seat 22 and the arc-shaped moving plate 21 are driven to slide left and right.
The arc-shaped moving plate 21 can slide left and right in the pipeline main body 11, the two limiting plates 24 can limit the arc-shaped moving plate 21 not to move up and down, the two outer arc strips 23 can limit the arc-shaped moving plate 21 not to move back and forth, and the transverse rubber strips 27 and the side rubber strips 29 can play a role in sealing between the arc-shaped moving plate 21 and the pipeline main body 11.
When the arc moving plate 21 slides in the axial direction of the duct 100, that is, slides left and right, the vertical tube 31 and the horizontal tube 32 also slide in the axial direction of the duct 100, so that when air blockage occurs in the upper end of the inside of the duct main body 11, air can be pumped out using the vertical tube 31 and the horizontal tube 32. The suction pump 34 can perform suction so as to draw air in the duct main body 11 through the vertical tube 31 and the horizontal tube 32, and the check valve 33 functions to prevent the air from flowing backward into the duct main body 11.
According to the petroleum pipeline anti-gas blockage device provided by the embodiment of the invention, the movable plate component and the air exhaust component are arranged at the slotting part of the pipeline main body, the air exhaust component can exhaust gas in the pipeline, and the movable plate component can slide relative to the pipeline to change the air exhaust position of the air exhaust component, so that the gas in the pipeline is exhausted more fully, and the petroleum pipeline gas blockage can be effectively prevented. Furthermore, the moving plate assembly comprises an arc moving plate capable of sliding relative to the pipeline main body, and an outer arc plate, a side arc plate, a limiting plate and other structures for limiting the displacement of the arc moving plate, so that the whole structure is simple and easy to realize; through setting up the control frame that has screw thread post and hexagonal head, the rotation hexagonal head of turning can drive the screw thread post and rotate, and then realizes the slip of arc movable plate for pipeline main part, easy operation.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An anti-air blockage device of a petroleum pipeline is characterized by comprising a pipeline, a moving plate component and an air pumping component;
the pipeline comprises a pipeline main body and a slot, and the slot is arranged on the side wall of the pipeline main body;
the moving plate assembly is used for closing the open groove, the moving plate assembly is connected with the pipeline main body in a sliding mode, and the sliding direction of the moving plate assembly relative to the pipeline main body is parallel to the axial direction of the pipeline;
the movable plate component is provided with the air exhaust component, and the air exhaust component is communicated with the inside and the outside of the pipeline main body and is used for exhausting the gas in the pipeline main body.
2. The anti-airlock device of claim 1, wherein said moving plate assembly comprises: the arc-shaped moving plate is connected to the inside of the pipeline main body in a sliding mode and used for sealing the open slot;
the air extraction assembly comprises: the vertical pipe is located inside the pipeline main body, the upper end of the vertical pipe is located at the top of the pipeline main body, the horizontal pipe is communicated with the vertical pipe, and the horizontal pipe penetrates through and extends out of the arc-shaped moving plate.
3. The vapor block prevention device of claim 2, wherein the gas evacuation assembly further comprises: one-way valves and air pumps;
the check valve and the air pump are arranged on the transverse pipe extending out of the arc-shaped moving plate.
4. The anti-airlock device of claim 2, wherein said moving plate assembly further comprises: a mounting seat and an outer arc strip;
the mounting seat is fixedly connected to the middle of the outer side of the arc-shaped moving plate, and the transverse pipe penetrates through and extends out of the arc-shaped moving plate and the mounting seat;
the upper end and the lower end of the mounting seat are fixedly connected with the outer arc-shaped strips respectively, and the outer arc-shaped strips are attached to the outer side face of the pipeline main body.
5. The anti-airlock device of claim 4, wherein said moving plate assembly further comprises: a limiting plate;
the upper end and the lower end of the outer side surface of the arc-shaped moving plate are fixedly connected with the limiting plates respectively, and the two limiting plates are attached to the upper end face and the lower end face of the groove respectively.
6. The anti-airlock device of claim 5, wherein said moving plate assembly further comprises: the side arc-shaped plate and the convex seat;
the two ends of the inner side surface of the arc-shaped moving plate are respectively provided with the side arc-shaped plates, the upper ends and the lower ends of the side arc-shaped plates are respectively provided with the convex seats, and the convex seats are fixedly connected with the pipeline main body through screws;
the arc moving plate is connected with the side arc plates in a sliding mode, and the sliding direction of the arc moving plate relative to the side arc plates is parallel to the axial direction of the pipeline.
7. The anti-airlock device of claim 6, wherein said moving plate assembly further comprises: the rubber strip comprises a transverse rubber strip, a transverse rubber strip groove and a side rubber strip;
the upper end and the lower end of the arc-shaped moving plate are provided with the transverse rubber strip grooves, the transverse rubber strips are bonded in the two transverse rubber strip grooves, and the transverse rubber strips are attached to the inner side surface of the pipeline main body;
the two side arc-shaped plates are respectively bonded with the side rubber strips, and the side rubber strips are attached to the inner side faces of the pipeline main body.
8. The air block prevention device of claim 4, further comprising: a control frame;
the control frame is fixedly connected with the moving plate assembly and used for driving the moving plate assembly to slide relative to the pipeline main body.
9. The anti-airlock device of claim 8, wherein said control cage comprises a threaded post, a middle rod, an extension rod, and a hex head;
the length direction of the threaded column is parallel to the axial direction of the pipeline, the middle rod is fixedly connected to the lower end of the mounting seat, and the middle end of the threaded column is matched with the middle rod through threads;
two ends of the threaded column are respectively inserted on the two extension rods, and the extension rods are fixedly connected with the pipeline main body;
the two ends of the threaded column are respectively connected with the hexagonal rotary heads.
10. The air block prevention device of claim 9, wherein the control rack further comprises: a limiting ring;
the two limiting rings are fixedly connected to two ends of the threaded column respectively, and the limiting rings are attached to the outer side of the extension rod and used for limiting the position of the extension rod.
CN201811036988.1A 2018-09-06 2018-09-06 Petroleum pipeline's anti-gas blocking device Pending CN110878874A (en)

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Application Number Priority Date Filing Date Title
CN201811036988.1A CN110878874A (en) 2018-09-06 2018-09-06 Petroleum pipeline's anti-gas blocking device

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Application Number Priority Date Filing Date Title
CN201811036988.1A CN110878874A (en) 2018-09-06 2018-09-06 Petroleum pipeline's anti-gas blocking device

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CN110878874A true CN110878874A (en) 2020-03-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114542846A (en) * 2022-02-21 2022-05-27 潍坊华润燃气有限公司 Gas pipeline pressurized leakage blocking device and leakage blocking method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09264499A (en) * 1996-03-29 1997-10-07 Osaka Gas Co Ltd Draining method in gas pipe
CN2296998Y (en) * 1997-05-26 1998-11-11 中国计量技术开发总公司洛阳节能设备厂 Fixed coal powder sampler
US20100044966A1 (en) * 2006-09-25 2010-02-25 Dresser-Rand Company Coupling guard system
KR20100058937A (en) * 2008-11-25 2010-06-04 한국가스공사 Movable recovery apparatus for natural gas and gas recovery method of using the same
US20120192495A1 (en) * 2011-01-28 2012-08-02 Coughenour Jr Alvin F Access Door for Circular Cross-Section Ductwork
RU2463512C1 (en) * 2011-07-29 2012-10-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный университет" Oil pipeline air release device
CN203310669U (en) * 2012-11-26 2013-11-27 力合科技(湖南)股份有限公司 Flue gas heavy metal particle absorbing system
CN203770919U (en) * 2014-04-09 2014-08-13 中国中轻国际工程有限公司 Pipe fitting favorable to pipe sweeping
CN208967309U (en) * 2018-09-06 2019-06-11 中国石油天然气股份有限公司 Petroleum pipeline's anti-gas blocking device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09264499A (en) * 1996-03-29 1997-10-07 Osaka Gas Co Ltd Draining method in gas pipe
CN2296998Y (en) * 1997-05-26 1998-11-11 中国计量技术开发总公司洛阳节能设备厂 Fixed coal powder sampler
US20100044966A1 (en) * 2006-09-25 2010-02-25 Dresser-Rand Company Coupling guard system
KR20100058937A (en) * 2008-11-25 2010-06-04 한국가스공사 Movable recovery apparatus for natural gas and gas recovery method of using the same
US20120192495A1 (en) * 2011-01-28 2012-08-02 Coughenour Jr Alvin F Access Door for Circular Cross-Section Ductwork
RU2463512C1 (en) * 2011-07-29 2012-10-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный университет" Oil pipeline air release device
CN203310669U (en) * 2012-11-26 2013-11-27 力合科技(湖南)股份有限公司 Flue gas heavy metal particle absorbing system
CN203770919U (en) * 2014-04-09 2014-08-13 中国中轻国际工程有限公司 Pipe fitting favorable to pipe sweeping
CN208967309U (en) * 2018-09-06 2019-06-11 中国石油天然气股份有限公司 Petroleum pipeline's anti-gas blocking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114542846A (en) * 2022-02-21 2022-05-27 潍坊华润燃气有限公司 Gas pipeline pressurized leakage blocking device and leakage blocking method thereof

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