CN211821756U - Pressure monitoring device for petroleum transportation pipeline - Google Patents

Pressure monitoring device for petroleum transportation pipeline Download PDF

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Publication number
CN211821756U
CN211821756U CN202020250158.5U CN202020250158U CN211821756U CN 211821756 U CN211821756 U CN 211821756U CN 202020250158 U CN202020250158 U CN 202020250158U CN 211821756 U CN211821756 U CN 211821756U
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wall
chamber
pressure
monitoring
flow
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李波
马元凯
张磊
孙生俊
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Abstract

The utility model discloses a pressure monitoring device for petroleum transportation pipelines, which comprises a connecting pipeline, wherein a second flow isolation chamber is welded on the outer wall of the top of the connecting pipeline, the outer wall of the top of the second flow isolation chamber is connected with a pressure relief chamber through a thread, a first flow isolation chamber is welded on the outer wall of the top of the connecting pipeline, and the outer wall of the top of the first flow isolation chamber is connected with a monitoring chamber through a thread; monitoring room inner wall sliding connection has the chock plug, the welding of chock plug top has first becket, the welding of first becket one end has the base, base sliding connection is in monitoring room inner wall, monitoring room inner wall is provided with the spacing ring. The utility model can monitor the pressure in the petroleum pipeline in real time by arranging the monitoring chamber, the plug head, the first spring, the base and the pressure sensor chamber; through setting up motor, first becket, first sheetmetal and first class stopper, can carry out the pressure release through the pressure release room when pressure is too big to protect the petroleum pipeline, promoted the security.

Description

Pressure monitoring device for petroleum transportation pipeline
Technical Field
The utility model relates to a pipeline pressure monitoring technology field especially relates to a be used for oil transportation pipeline pressure monitoring device.
Background
Pipeline transportation is a way of transporting fluid cargo by pipelines, and the cargo is usually liquid and gas and is a special component of trunk line transportation in a unified transportation network; because pipeline transportation has the advantages of large, continuous, rapid, economic, safe, reliable, stable, less investment, less occupied area, low cost and capability of realizing automatic control, part of the current petroleum transportation links often adopt a pipeline transportation mode.
Through retrieval, chinese patent application No. CN201720270720.9 discloses a pressure monitoring device for a petroleum transportation pipeline, which comprises a pressure sensor, an upper cover, a hydraulic cavity housing, a hydraulic pipe, a liquid inlet pipe, a liquid outlet pipe, a power supply, and a pressure display screen. The above patents suffer from the following disadvantages: the pipeline pressure can not play good pressure release effect when too big, can not provide the safety guarantee for the pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and provides a pressure monitoring device for a petroleum transportation pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the pressure monitoring device for the petroleum transportation pipeline comprises a connecting pipeline, wherein a second flow isolation chamber is welded on the outer wall of the top of the connecting pipeline, the outer wall of the top of the second flow isolation chamber is connected with a pressure relief chamber through threads, a first flow isolation chamber is welded on the outer wall of the top of the connecting pipeline, and a monitoring chamber is connected on the outer wall of the top of the first flow isolation chamber through threads; the inner wall of the monitoring chamber is connected with a plug head in a sliding mode, a first metal ring is welded at the top of the plug head, a base is welded at one end of the first metal ring, the base is connected to the inner wall of the monitoring chamber in a sliding mode, and a limiting ring is arranged on the inner wall of the monitoring chamber; a pressure sensor chamber is fixed on the inner wall of the top of the monitoring chamber through a screw, a pressure sensor is arranged in the pressure sensor chamber, and the pressure sensor is electrically connected with the control unit; the outer wall of the bottom of the pressure sensor chamber is in contact with the outer wall of the top of the base; the utility model discloses a monitoring room, including chock plug, first spacer, second spacer, synchronous wheel, plug head top outer wall, monitoring room both sides outer wall are fixed with two first sheetmetals through the screw respectively, second spacer indoor wall sliding connection has first spacer, first spacer one end is connected with the motor through threaded rod and synchronous wheel rotation, and threaded rod and second spacer one side inner wall pass through threaded connection, motor and first sheetmetal and the control unit electric connection.
As a further aspect of the present invention: two second metal sheets are fixed on the inner walls of two sides of the monitoring chamber through screws respectively, two third metal sheets are fixed on the inner walls of two sides of the pressure relief chamber through screws respectively, a pressure relief plate is connected to the inner wall of the pressure relief chamber in a sliding mode, the same second spring is welded on the outer wall of the top of the pressure relief plate and the outer wall of the bottom of the pressure relief chamber, and a second metal ring is fixed on the outer wall of the top of the pressure relief plate through screws; the third metal sheet, the second metal sheet and the motor are electrically connected with the power supply and the control unit.
As a further aspect of the present invention: the outer wall of one side of the second flow isolating chamber is fixed with a support frame through a screw, the outer wall of the top of the support frame is fixed with a sliding rail through a screw, and the motor is fixed on the outer wall of the top of the sliding block of the sliding rail through a motor base.
As a further aspect of the present invention: the top of the plug head is fixed with a sliding rod through a screw, and the sliding rod slides on the inner wall of the base.
As a further aspect of the present invention: and an air outlet is formed in the outer wall of the top of the pressure relief chamber.
As a further aspect of the present invention: the inner wall of the first flow isolating chamber is connected with a control valve through threads, one end of the control valve is fixedly provided with a second flow isolating plug through a screw, and the second flow isolating plug is connected to the inner wall of the first flow isolating chamber in a sliding mode.
As a further aspect of the present invention: the monitoring room top outer wall is fixed with the alarm through the screw, alarm and the control unit and power electric connection.
The utility model has the advantages that:
1. the pressure in the petroleum pipeline can be monitored in real time by arranging the monitoring chamber, the plug head, the first spring, the base and the pressure sensor chamber; through setting up motor, first becket, first sheetmetal and first class stopper, can carry out the pressure release through the pressure release room when pressure is too big to protect the petroleum pipeline, promoted the security.
2. By arranging the third metal sheet, the second metal ring and the second spring, the petroleum can be conveniently discharged back to the pipeline when the pressure of the pipeline is normal, and isolation is performed at the same time; through setting up the slide rail, can cooperate the removal of motor and first class stopper when the motor work.
3. By arranging the sliding rod, the stability of the monitoring mechanism can be improved; the air outlet is arranged, so that the air in the pressure relief chamber can be conveniently discharged, and the pressure relief plate is prevented from being influenced by air pressure; the second flow isolating plug and the control valve are arranged, so that an isolating effect can be achieved, and the detection mechanism can be maintained conveniently; through setting up the alarm, can report to the police when pressure is too high, in time feed back to the staff.
Drawings
Fig. 1 is a schematic structural diagram of the whole pressure monitoring device for the petroleum transportation pipeline provided by the utility model;
fig. 2 is a schematic structural view of a cross-sectional view of a detection mechanism for a pressure monitoring device of a petroleum transportation pipeline according to the present invention;
fig. 3 is a schematic structural view of a cross-sectional view of a pressure relief mechanism of a pressure monitoring device for a petroleum transportation pipeline according to the present invention;
fig. 4 is the utility model provides a be used for oil transportation pipeline pressure monitoring device circuit flow chart.
In the figure: 1-connecting pipeline, 2-sliding rail, 3-motor, 4-pressure relief chamber, 5-air outlet, 6-alarm, 7-monitoring chamber, 8-control valve, 9-first flow isolation chamber, 10-second flow isolation chamber, 11-plug, 12-sliding rod, 13-base, 14-pressure sensor chamber, 15-first metal sheet, 16-first spring, 17-first metal ring, 18-second metal sheet, 19-second flow isolation plug, 20-third metal sheet, 21-first flow isolation plug, 22-pressure relief plate, 23-second spring and 24-second metal ring.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, 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 patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A pressure monitoring device for a petroleum transportation pipeline comprises a connecting pipeline 1, wherein a second flow isolation chamber 10 is welded on the outer wall of the top of the connecting pipeline 1, the outer wall of the top of the second flow isolation chamber 10 is connected with a pressure relief chamber 4 through threads, a first flow isolation chamber 9 is welded on the outer wall of the top of the connecting pipeline 1, and a monitoring chamber 7 is connected on the outer wall of the top of the first flow isolation chamber 9 through threads; the inner wall of the monitoring chamber 7 is connected with a plug 11 in a sliding manner, the top of the plug 11 is welded with a first metal ring 17, one end of the first metal ring 17 is welded with a base 13, the base 13 is connected to the inner wall of the monitoring chamber 7 in a sliding manner, the inner wall of the monitoring chamber 7 is provided with a limiting ring, and the limiting ring can play a role in supporting the base 13 and limit the base 13; a pressure sensor chamber 14 is fixed on the inner wall of the top of the monitoring chamber 7 through a screw, a pressure sensor is arranged in the pressure sensor chamber 14, and the pressure sensor is electrically connected with the control unit; the outer wall of the bottom of the pressure sensor chamber 14 is in contact with the outer wall of the top of the base 13; a first metal ring 17 is fixed on the outer wall of the top of the plug 11 through a screw, two first metal sheets 15 are fixed on the outer walls of two sides of the monitoring chamber 7 through screws respectively, a first flow isolating plug 21 is connected on the inner wall of the second flow isolating chamber 10 in a sliding mode, one end of the first flow isolating plug 21 is connected with a motor 3 through a threaded rod and a synchronous wheel in a rotating mode, the threaded rod is connected with the inner wall of one side of the second flow isolating chamber 10 through threads, and the motor 3 is electrically connected with the first metal sheets 15 and a control unit; the pressure sensor is characterized in that the types of the pressure sensor are as follows: JJG 860-2015; when the plug 11 is lifted to the position of the first metal sheets 15, the first metal ring 17 can conduct the two first metal sheets 15, thereby conducting a control circuit formed by the motor 3, the power supply and the control unit; the pressure in the petroleum pipeline can be monitored in real time by arranging the monitoring chamber 7, the plug 11, the first spring 16, the base 13 and the pressure sensor chamber 14; through setting up motor 3, first becket 17, first sheetmetal 15 and first separate flow stopper 21, can carry out the pressure release through pressure release chamber 4 when pressure is too big to protect the petroleum pipeline, promoted the security.
To facilitate the draining of oil back into the pipeline; as shown in fig. 3, two second metal sheets 18 are fixed to the inner walls of the two sides of the monitoring chamber 7 through screws, two third metal sheets 20 are fixed to the inner walls of the two sides of the pressure relief chamber 4 through screws, a pressure relief plate 22 is connected to the inner wall of the pressure relief chamber 4 in a sliding manner, the same second spring 23 is welded to the outer wall of the top of the pressure relief plate 22 and the outer wall of the bottom of the pressure relief chamber 4, and a second metal ring 24 is fixed to the outer wall of the top of the pressure relief plate 22 through screws; the third metal sheet 20, the second metal sheet 18 and the motor 3 are electrically connected with the power supply and control unit; when the pipeline pressure is normal, the pressure relief plate 22 discharges oil under the elastic force action of the second spring 23, the plug head 11 is lowered to the second metal sheet 18 and conducts the second metal sheet 18, and simultaneously the pressure relief plate 22 is lowered to the third metal sheet 20, so that the second metal ring 24 can conduct the third metal sheet 20, the third metal sheet 20 and the second metal sheet 18 are conducted to conduct a control circuit formed by the motor 3 and the power supply and the control unit, and the control unit controls the motor 3 to work, so that the first flow isolating plug 21 seals the inlet and the outlet of the second flow isolating chamber 10 through the threaded rod, and therefore effective isolation is achieved.
To accommodate movement of the first septum 21; as shown in fig. 1, a support frame is fixed on the outer wall of one side of the second flow-dividing chamber 10 through screws, a slide rail 2 is fixed on the outer wall of the top of the support frame through screws, and the motor 3 is fixed on a slide block of the slide rail 2 through a motor base; through setting up slide rail 2, can cooperate the removal of motor 3 and first flow stopping plug 21 when motor 3 is worked.
In order to improve reliability; as shown in fig. 2, a sliding rod 12 is fixed at the top of the plug 11 through a screw, and the sliding rod 12 slides on the inner wall of a base 13; by providing the slide bar 12, the stability of the monitoring mechanism can be improved.
To facilitate the removal of air pressure; as shown in fig. 3, an air outlet 5 is formed in the outer wall of the top of the pressure relief chamber 4; by arranging the gas outlet 5, the gas in the pressure relief chamber 4 can be conveniently discharged, and the pressure relief plate 22 is prevented from being influenced by the gas pressure.
To facilitate maintenance; as shown in fig. 2, the inner wall of the first flow isolating chamber 9 is connected with a control valve 8 through a thread, one end of the control valve 8 is fixed with a second flow isolating plug 19 through a screw, and the second flow isolating plug 19 is slidably connected with the inner wall of the first flow isolating chamber 9; through setting up second flow isolating plug 19 and control valve 8, can play the effect of keeping apart, be convenient for to the maintenance of detection mechanism.
In order to play a warning effect; as shown in fig. 1, an alarm 6 is fixed on the outer wall of the top of the monitoring chamber 7 through a screw, and the alarm 6 is electrically connected with the control unit and the power supply; through setting up alarm 6, can report to the police when pressure is too high, in time feed back to the staff.
The working principle is as follows: when the device is used, two ends of a connecting pipeline 1 are respectively installed at two petroleum pipeline ports, petroleum enters a first flow isolating chamber 9 and a monitoring chamber 7 through the connecting pipeline 1, acting force is applied to a plug head 11 in the monitoring chamber 7, then the plug head 11 applies acting force to a base 13 under the condition of deformation of a first spring 16 and sliding fit of a sliding rod 12, a pressure sensor in a pressure sensor chamber 14 can monitor pressure in real time and transmit the pressure to a remote computer terminal through a control unit, and the function of monitoring the pressure of the petroleum pipeline is achieved; when the pressure of the pipeline is overlarge, the plug head 11 is forced to rise to the position of the first metal sheet 15, the first metal ring 17 can conduct the two first metal sheets 15, so that a control circuit formed by the motor 3, a power supply and a control unit is conducted, the control unit controls the alarm 6 to give an alarm, and controls the motor 3 to work at the same time, so that the first flow isolating plug 21 slides in the second flow isolating chamber 10, the pressure relief chamber 4 and the connecting pipeline 1 are conducted, the petroleum pipeline can be relieved through the pressure relief chamber 4, in addition, the gas in the pressure relief chamber 4 can be discharged through the gas outlet 5, and the pressure of the gas is prevented from influencing the movement of the pressure relief plate 22; when the pipeline pressure is normal, the pressure relief plate 22 discharges oil under the action of the elastic force of the second spring 23, meanwhile, the plug head 11 is lowered to the second metal sheet 18, the first metal ring 17 is conducted with the second metal sheet 18, the pressure relief plate 22 is lowered to the third metal sheet 20, the second metal ring 24 is conducted with the third metal sheet 20, the third metal sheet 20 and the second metal sheet 18 are conducted, and then a control circuit formed by the motor 3, the power supply and the control unit is conducted, the control unit controls the motor 3 to work, and the first flow isolating plug 21 is used for sealing the inlet and the outlet of the second flow isolating chamber 10 through a threaded rod, so that effective isolation is performed; in addition, the slide rail 2 can be matched with the movement of the motor 3 and the first flow isolating plug 21 when the motor 3 works; when maintenance is required, the user can slide the second flow blocking plug 19 in the first flow blocking chamber 9 by rotating the control valve 8, thereby isolating the connecting pipe 1 from the monitoring chamber 7 to facilitate maintenance of the detection mechanism.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The pressure monitoring device for the petroleum transportation pipeline comprises a connecting pipeline (1), and is characterized in that a second flow isolation chamber (10) is welded on the outer wall of the top of the connecting pipeline (1), the outer wall of the top of the second flow isolation chamber (10) is connected with a pressure relief chamber (4) through threads, a first flow isolation chamber (9) is welded on the outer wall of the top of the connecting pipeline (1), and a monitoring chamber (7) is connected on the outer wall of the top of the first flow isolation chamber (9) through threads; the inner wall of the monitoring chamber (7) is connected with a plug head (11) in a sliding mode, a first metal ring (17) is welded at the top of the plug head (11), a base (13) is welded at one end of the first metal ring (17), the base (13) is connected to the inner wall of the monitoring chamber (7) in a sliding mode, and a limiting ring is arranged on the inner wall of the monitoring chamber (7); a pressure sensor chamber (14) is fixed on the inner wall of the top of the monitoring chamber (7) through a screw, a pressure sensor is arranged in the pressure sensor chamber (14), and the pressure sensor is electrically connected with the control unit; the outer wall of the bottom of the pressure sensor chamber (14) is in contact with the outer wall of the top of the base (13); stopper head (11) top outer wall has first becket (17) through the fix with screw, monitoring room (7) both sides outer wall has two first sheetmetals (15) through the fix with screw respectively, second separate flow room (10) inner wall sliding connection has first separate flow stopper (21), first separate flow stopper (21) one end is rotated through threaded rod and synchronizing wheel and is connected with motor (3), and the threaded rod passes through threaded connection with second separate flow room (10) one side inner wall, motor (3) and first sheetmetal (15) and the control unit electric connection.
2. The pressure monitoring device for the petroleum transportation pipeline according to claim 1, wherein two second metal sheets (18) are respectively fixed on the inner walls of two sides of the monitoring chamber (7) through screws, two third metal sheets (20) are respectively fixed on the inner walls of two sides of the pressure relief chamber (4) through screws, a pressure relief plate (22) is connected on the inner wall of the pressure relief chamber (4) in a sliding manner, the same second spring (23) is welded on the outer wall of the top of the pressure relief plate (22) and the outer wall of the bottom of the pressure relief chamber (4), and a second metal ring (24) is fixed on the outer wall of the top of the pressure relief plate (22) through screws; the third metal sheet (20), the second metal sheet (18) and the motor (3) are electrically connected with the power supply and the control unit.
3. The pressure monitoring device for the petroleum transportation pipeline according to claim 2, wherein a support frame is fixed on the outer wall of one side of the second flow isolation chamber (10) through screws, a sliding rail (2) is fixed on the outer wall of the top of the support frame through screws, and the motor (3) is fixed on the outer wall of the top of the sliding block of the sliding rail (2) through a motor base.
4. The pressure monitoring device for petroleum transportation pipelines according to claim 3, characterized in that the top of the plug head (11) is fixed with a sliding rod (12) through a screw, and the sliding rod (12) slides on the inner wall of the base (13).
5. The pressure monitoring device for petroleum transportation pipelines according to claim 4, characterized in that the outer wall of the top of the pressure relief chamber (4) is provided with an air outlet (5).
6. The pressure monitoring device for petroleum transportation pipelines according to claim 5, characterized in that the inner wall of the first flow isolating chamber (9) is connected with a control valve (8) through threads, one end of the control valve (8) is fixed with a second flow isolating plug (19) through a screw, and the second flow isolating plug (19) is connected with the inner wall of the first flow isolating chamber (9) in a sliding mode.
7. The pressure monitoring device for the petroleum transportation pipeline according to claim 6, wherein an alarm (6) is fixed on the outer wall of the top of the monitoring chamber (7) through a screw, and the alarm (6) is electrically connected with the control unit and a power supply.
CN202020250158.5U 2020-03-04 2020-03-04 Pressure monitoring device for petroleum transportation pipeline Active CN211821756U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020250158.5U CN211821756U (en) 2020-03-04 2020-03-04 Pressure monitoring device for petroleum transportation pipeline

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Application Number Priority Date Filing Date Title
CN202020250158.5U CN211821756U (en) 2020-03-04 2020-03-04 Pressure monitoring device for petroleum transportation pipeline

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CN211821756U true CN211821756U (en) 2020-10-30

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CN202020250158.5U Active CN211821756U (en) 2020-03-04 2020-03-04 Pressure monitoring device for petroleum transportation pipeline

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484778A (en) * 2020-11-20 2021-03-12 西安石油大学 Explosion-proof inspection device for petroleum safety management

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484778A (en) * 2020-11-20 2021-03-12 西安石油大学 Explosion-proof inspection device for petroleum safety management
CN112484778B (en) * 2020-11-20 2022-03-04 西安石油大学 Explosion-proof inspection device for petroleum safety management

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