CN215180958U - Differential pressure type spherical pig passing indicating device - Google Patents
Differential pressure type spherical pig passing indicating device Download PDFInfo
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- CN215180958U CN215180958U CN202121313512.5U CN202121313512U CN215180958U CN 215180958 U CN215180958 U CN 215180958U CN 202121313512 U CN202121313512 U CN 202121313512U CN 215180958 U CN215180958 U CN 215180958U
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- valve
- spherical pig
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Abstract
The utility model discloses a ball indicating device is crossed to differential pressure formula spherical pig, which comprises a controller, the setting is in pipeline one side and the first pressure transmitter who is connected with the controller, the setting is at pipeline opposite side and the second pressure transmitter who is connected with the controller and the prompting device who is connected with the controller, pressure in first pressure transmitter and the second pressure transmitter real-time detection pipeline and give the controller with real-time detection's first pressure signal and second pressure signal simultaneous transmission, the prompting device is given in the spherical state of crossing of pipeline one side to pipeline opposite side to the output spherical pig of controller according to the comparative value of the first pressure signal of receiving and second pressure signal. The utility model discloses a non-contact detects, can not cause the damage to the spherical pig, has guaranteed the logical ball operation and has clear away efficiency, in addition, because of adopting non-contact to detect, the utility model discloses be difficult to cause the damage because of the impact, detect the success rate height, long service life.
Description
Technical Field
The utility model belongs to the technical field of the clearance of oil gas pipeline, concretely relates to differential pressure formula spherical pig passes ball indicating device.
Background
After the pipelines such as the crude oil pipeline or the natural gas pipeline run for a period of time, mechanical impurities, oil sand and the like can be accumulated in the pipelines, so that the conveying efficiency of the pipelines can be reduced, the local corrosion of the pipelines can be accelerated, and the service life of the pipelines can be shortened. In order to solve the problems, the ball passing operation needs to be carried out on pipelines such as a crude oil pipeline or a natural gas pipeline, and harmful impurities in the pipelines are removed by using the spherical pig. In the process of ball passing operation, whether the spherical pig is sent out or not needs to be detected at the ball sending end, and whether the spherical pig arrives or not needs to be detected at the ball receiving end.
At present, the problems of easy aging of a sealing element, rusting of a mechanical structure, generation of static electricity and the like exist in the conventional spherical pig passing indicator such as a mechanical spherical pig passing indicator; the non-contact ultrasonic ball-passing indicator cannot capture signals when the flow rate of the spherical pig is too high, so that detection is invalid; the non-contact magnetic induction type ball passing indicator has the problems that the detection is easy to be interfered by a surrounding magnetic field to cause failure, a magnet is not easy to clean after falling off, rust slag is adsorbed on a ball body to cause blocking, and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the utility model provides a differential pressure type spherical pig passes ball indicating device.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a ball indicating device is crossed to differential pressure formula spherical pig, including controller, setting in pipeline one side and the first pressure transmitter be connected with the controller, set up at pipeline opposite side and the second pressure transmitter be connected with the controller and the prompting device be connected with the controller, pressure in first pressure transmitter and the second pressure transmitter real-time detection pipeline and give the controller with real-time detection's first pressure signal and second pressure signal simultaneous transmission, the controller is according to the comparative value output spherical state of the first pressure signal of receiving and second pressure signal at pipeline one side to pipeline opposite side for the prompting device.
As a further improvement, one side of the pipeline is communicated with a first pressure isolation valve, the first pressure transmitter is connected with the first pressure isolation valve, the other side of the pipeline is communicated with a second pressure isolation valve, and the second pressure transmitter is connected with the second pressure isolation valve.
The system comprises a shuttle valve, a check valve and a pressure switch, wherein the first pressure isolation valve and the second pressure isolation valve are respectively communicated with two inlets of the shuttle valve, an outlet of the shuttle valve is communicated with an inlet of the check valve, an outlet of the check valve is connected with the pressure switch, and the pressure switch is connected with a controller.
As a further improvement, a pressure gauge is connected between the check valve and the pressure switch, and a pressure relief valve is arranged between the check valve and the pressure gauge.
As a further improvement, a first pressure relief isolation valve is arranged between the first pressure isolation valve and the shuttle valve, and a second pressure relief isolation valve is arranged between the second pressure isolation valve and the shuttle valve.
As a further improvement, one side of the pipeline is a ball serving pipe of the pipeline, and the other side of the pipeline is a middle pipe of the pipeline.
As a further improvement, one side of the pipeline is a middle pipe of the pipeline, and the other side of the pipeline is a ball collecting pipe of the pipeline.
As a further improvement, the controller is a microprocessor or a single chip microcomputer.
The utility model provides a pair of ball indicating device is crossed to differential pressure formula spherical pig, which comprises a controller, the setting is in pipeline one side and the first pressure transmitter who is connected with the controller, the setting is at pipeline opposite side and the second pressure transmitter who is connected with the controller and the prompting device who is connected with the controller, pressure in first pressure transmitter and the second pressure transmitter real-time detection pipeline and give the controller with real-time detection's first pressure signal and second pressure signal simultaneous transmission, the controller is according to the comparative value output spherical pig of the first pressure signal of receipt and second pressure signal in pipeline one side to the globular state of crossing of pipeline opposite side for the prompting device. The utility model discloses during operation, set up first pressure transmitter and second pressure transmitter respectively in the pipeline section both sides that whether needs to detect the spherical pig pass through, if set up respectively in the pipeline intermediate tube with receive the bulb pipe, first pressure transmitter and second pressure transmitter detect the pressure in the pipeline respectively in real time and transmit the first pressure signal and the second pressure signal who detects for the controller, the controller has set up the comparative value of first pressure signal and second pressure signal and the spherical pig is from the intermediate tube to receive the passing time of bulb pipe and come to compare first pressure signal and second pressure signal, be normal condition when the comparative value of first pressure signal and second pressure signal is the same, it is in the intermediate tube to indicate the spherical pig; when the comparison value of the first pressure signal is larger than that of the second pressure signal and does not exceed the set passing time, the first pressure signal is in a normal state, and the spherical pig is indicated to be close to the spherical receiving tube quickly; when the comparison value of the first pressure signal is larger than that of the second pressure signal and exceeds the set passing time, the ball blocking state is determined, the ball passing abnormality of the spherical pig is indicated, and different states are output to the prompter for prompting. The utility model discloses a non-contact detects, can not cause the damage to the spherical pig, has guaranteed the logical ball operation and has clear away efficiency, in addition, because of adopting non-contact to detect, the utility model discloses be difficult to cause the damage because of the impact, detect the success rate height, long service life.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic view of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
Combine as shown in fig. 1, the embodiment of the utility model provides a ball indicating device is crossed to differential pressure formula spherical pig, including controller 5, set up in 2 one sides of pipeline and the first pressure transmitter 3 of being connected with controller 5, set up at 2 opposite sides of pipeline and the second pressure transmitter 4 of being connected with controller 5 and the prompting device of being connected with the controller, the pressure in the pipeline is detected and the first pressure signal and the second pressure signal simultaneous transmission of real-time detection are given controller 5 to first pressure transmitter 3 and second pressure transmitter 4 real-time detection, controller 5 is according to the comparative value output spherical pig 1 of the first pressure signal of receipt and second pressure signal for the prompting device in the spherical state of crossing of pipeline 2 one side to pipeline 2 opposite side.
The controller 5 may be a microprocessor or a single chip microcomputer, the controller 5 and the prompter of the present embodiment are based on a Distributed Control System (DCS) in the field, and the distributed control system is an instrument control system based on the microprocessor and adopting a design principle of distributed control function, centralized display operation, and giving consideration to both distribution and autonomy and comprehensive coordination. The first pressure transmitter 3 is arranged on the ball serving pipe on one side of the pipeline 2, and the second pressure transmitter 4 is arranged on the middle pipe 21 on the other side of the pipeline 2 and used for detecting whether the spherical pig 1 is sent out at the ball serving end; it is also possible, as shown in fig. 1, that the first pressure transmitter 3 is arranged in the middle tube 21 on one side of the pipe 2 and the second pressure transmitter 4 is arranged in the bulb receiving tube 22 on the other side of the pipe 2 for detecting whether the spherical pig 1 enters the bulb receiving tube 22.
When the present embodiment is used, as shown in fig. 1, the first pressure transmitter 3 and the second pressure transmitter 4 are respectively disposed in the middle pipe 21 and the ball collecting pipe 22 of the pipeline, the first pressure transmitter 3 and the second pressure transmitter 4 respectively detect the pressure in the pipeline 2 in real time and transmit the detected first pressure signal and second pressure signal to the controller 5, the controller 5 sets the comparison value of the first pressure signal and the second pressure signal and the passing time of the spherical pig 1 from the middle pipe 21 to the ball collecting pipe 22, and when the comparison value of the first pressure signal and the comparison value of the second pressure signal are the same, the state is normal, which indicates that the spherical pig 1 is in the middle pipe 21; when the comparison value of the first pressure signal is larger than that of the second pressure signal and the set passing time is not exceeded, the first pressure signal is in a normal state, and the spherical pig 1 is indicated to be close to the spherical receiving tube 22; when the comparison value of the first pressure signal is larger than that of the second pressure signal and exceeds the set passing time, the first pressure signal is taken as the spherical clearance of the spherical clearance 1, the spherical clearance abnormal state of the spherical clearance 1 is indicated, and the controller 5 outputs the judgment result of the spherical clearance state of the spherical clearance 1 to the prompter for prompting.
In a further preferred embodiment, a first pressure isolation valve 6 is connected to one side of the pipe 2, the first pressure transmitter 3 is connected to the first pressure isolation valve 6, a second pressure isolation valve 7 is connected to the other side of the pipe 2, and the second pressure transmitter 4 is connected to the second pressure isolation valve 7. In use, the first pressure isolation valve 6 and the second pressure isolation valve 7 are in an open state, the first pressure isolation valve 6 being arranged to prevent damage to the first pressure transmitter 3 from pressure surges in the pipeline 2, and the second pressure isolation valve 7 being arranged to prevent damage to the second pressure transmitter 4 from pressure surges in the pipeline 2.
As a further preferred embodiment, the system comprises a shuttle valve 8, a check valve 9 and a pressure switch 10, wherein the first pressure isolation valve 6 and the second pressure isolation valve 7 are respectively communicated with two inlets of the shuttle valve 8, an outlet of the shuttle valve 8 is communicated with an inlet of the check valve 9, an outlet of the check valve 9 is connected with the pressure switch 10, and the pressure switch 10 is connected with the controller 5. The pressure switch 10 of this embodiment has the alarming function when exceeding preset pressure, and during the use, when the spherical pig 1 was close to receiving bulb 22, the pressure of first pressure isolation valve 6 end was greater than the pressure of second pressure isolation valve 7, and shuttle valve 8 moves towards second pressure isolation valve 7 end, through check valve 9, judges by pressure switch 10 whether to exceed preset pressure, reports to the police when exceeding preset pressure to send the pressure value in real time to controller 5.
As a further preferred embodiment, a pressure gauge 11 is connected between the check valve 9 and the pressure switch 10, a pressure relief valve 12 is arranged between the check valve 9 and the pressure gauge 11, the pressure gauge 11 can better display the detected pressure, and when the pressure switch 10 needs to be reset after alarming, the first pressure isolation valve 6 and the second pressure isolation valve 7 are closed and pressure is relieved through the pressure relief valve 12.
As a further preferable embodiment, a first pressure relief isolation valve 13 is provided between the first pressure isolation valve 6 and the shuttle valve 8, and a second pressure relief isolation valve 14 is provided between the second pressure isolation valve 7 and the shuttle valve 8, so that during pressure relief, the first pressure relief isolation valve 13 and the second pressure relief isolation valve 14 are opened to prevent the first pressure transmitter 3 and the first pressure transmitter 4 from being subjected to pressure shock during pressure relief.
In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore should not be construed as limiting the scope of the invention.
In conclusion, although the present invention has been described with reference to the preferred embodiments, it should be noted that, although various changes and modifications can be made by those skilled in the art, unless such changes and modifications depart from the scope of the present invention, they should be construed as being included therein.
Claims (8)
1. Differential pressure formula spherical pig indicating device that crosses, its characterized in that includes controller (5), set up in pipeline (2) one side and first pressure transmitter (3) be connected with controller (5), set up at pipeline (2) opposite side and second pressure transmitter (4) be connected with controller (5) and the prompting device be connected with controller (5), first pressure transmitter (3) and second pressure transmitter (4) real-time detection pipeline in pressure and with real-time detection's first pressure signal and second pressure signal simultaneous transmission for controller (5), controller (5) are given the prompting device according to the spherical state of crossing of received first pressure signal and second pressure signal output spherical pig (1) pipeline (2) one side to pipeline (2) opposite side.
2. A differential pressure type spherical pig pass indicating device according to claim 1, wherein one side of the pipeline (2) is communicated with a first pressure isolating valve (6), the first pressure transmitter (3) is connected with the first pressure isolating valve (6), the other side of the pipeline (2) is communicated with a second pressure isolating valve (7), and the second pressure transmitter (4) is connected with the second pressure isolating valve (7).
3. A differential pressure type spherical pig pass indication device according to claim 2, which comprises a shuttle valve (8), a check valve (9) and a pressure switch (10), wherein the first pressure isolation valve (6) and the second pressure isolation valve (7) are respectively communicated with two inlets of the shuttle valve (8), an outlet of the shuttle valve (8) is communicated with an inlet of the check valve (9), an outlet of the check valve (9) is connected with the pressure switch (10), and the pressure switch (10) is connected with the controller (5).
4. A differential pressure type spherical pig pass indicating device according to claim 3, characterized in that a pressure gauge (11) is connected between the check valve (9) and the pressure switch (10), and a pressure relief valve (12) is arranged between the check valve (9) and the pressure gauge (11).
5. A differential pressure type spherical pig pass indication device according to claim 4, characterized in that a first pressure relief isolation valve (13) is arranged between the first pressure isolation valve (6) and the shuttle valve (8), and a second pressure relief isolation valve (14) is arranged between the second pressure isolation valve (7) and the shuttle valve (8).
6. A differential pressure spherical pig pass indicator device according to any one of claims 1 to 5, wherein one side of the pipeline (2) is a launching tube of the pipeline and the other side of the pipeline (2) is a middle tube (21) of the pipeline.
7. A differential pressure spherical pig pass indicator device according to any one of claims 1 to 5, wherein the conduit (2) is provided with a middle tube (21) on one side and a spherical pig receiving tube (22) on the other side.
8. A differential pressure spherical pig pass indication device according to any one of claims 1 to 5, wherein the controller (5) is a microprocessor or a single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121313512.5U CN215180958U (en) | 2021-06-12 | 2021-06-12 | Differential pressure type spherical pig passing indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121313512.5U CN215180958U (en) | 2021-06-12 | 2021-06-12 | Differential pressure type spherical pig passing indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215180958U true CN215180958U (en) | 2021-12-14 |
Family
ID=79389903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121313512.5U Expired - Fee Related CN215180958U (en) | 2021-06-12 | 2021-06-12 | Differential pressure type spherical pig passing indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215180958U (en) |
-
2021
- 2021-06-12 CN CN202121313512.5U patent/CN215180958U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |