Crude oil conveying pipeline leakage detection system structure and leakage position detection method

A technology for conveying pipelines and leak detection, applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., can solve problems such as increasing maintenance workload, increasing construction costs, and wasting resources, and is conducive to popularization and application, reducing The effect of maintaining workload and avoiding waste of resources

A technology for conveying pipelines and leak detection, applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., can solve problems such as increasing maintenance workload, increasing construction costs, and wasting resources, and is conducive to popularization and application, reducing The effect of maintaining workload and avoiding waste of resources

CN111457256APending Publication Date: 2020-07-28XIAN CHANGQING TECH ENG +1
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  • Crude oil conveying pipeline leakage detection system structure and leakage position detection method
  • Crude oil conveying pipeline leakage detection system structure and leakage position detection method

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specific Embodiment approach

[0036]It should be noted that the structures, proportions, sizes, etc. shown in this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope covered by the technical contents disclosed in the present invention without affecting the functions and objectives of the present invention.

[0037] At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without any sub...

Embodiment 1

[0040] Such as figure 1 As shown, the present invention discloses a crude oil transmission pipeline leakage detection system framework, including a pipeline upstream station framework and a pipeline downstream station framework, wherein the pipeline upstream station framework includes an upstream pressure transmitter 1, an oil pump frequency converter 2, an upstream flow meter 3 and the upstream site have built PLC 4, in which the upstream pressure transmitter 1, the oil pump frequency converter 2 and the upstream flow meter 3 are respectively set at the upstream site of the pipeline, in which the upstream pressure transmitter 1, the oil pump frequency converter 2, the upstream flow meter Meter 3 is respectively connected to the built PLC 4 of the upstream site, and the downstream site architecture includes a downstream pressure transmitter 5, a downstream flow meter 6, a built PLC 7 of the downstream site and system components 8, wherein the downstream pressure transmitter 5 a...

Embodiment 2

[0042] Such as figure 1 As shown, the present invention discloses a crude oil transmission pipeline leakage detection system framework, including a pipeline upstream station framework and a pipeline downstream station framework, wherein the pipeline upstream station framework includes an upstream pressure transmitter 1, an oil pump frequency converter 2, an upstream flow meter 3 and the upstream site have built PLC 4, in which the upstream pressure transmitter 1, the oil pump frequency converter 2 and the upstream flow meter 3 are respectively set at the upstream site of the pipeline, in which the upstream pressure transmitter 1, the oil pump frequency converter 2, the upstream flow meter Meter 3 is respectively connected to the built PLC 4 of the upstream site, and the downstream site architecture includes a downstream pressure transmitter 5, a downstream flow meter 6, a built PLC 7 of the downstream site and system components 8, wherein the downstream pressure transmitter 5 a...

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Abstract

The invention discloses a crude oil conveying pipeline leakage detection system structure and a leakage position detection method. The structure comprises a pipeline upstream station structure and a pipeline downstream station structure, wherein an upstream pressure transmitter, an oil conveying pump frequency converter and an upstream flow meter are respectively arranged at a pipeline upstream station; the upstream pressure transmitter, the oil conveying pump frequency converter and the upstream flow meter are respectively connected to an upstream station built PLC; a downstream pressure transmitter and a downstream flow meter are respectively arranged at a pipeline downstream station, and the downstream pressure transmitter and the downstream flow meter are connected to a downstream station built PLC; and the upstream station built PLC and the downstream station built PLC are connected with a system assembly through a communication network by using a Modbus for TCP / IP. The system assembly can directly collect data of the upstream station built PLC and the downstream station built PLC.

Description

technical field [0001] The invention belongs to the technical field of oil and gas transportation, and in particular relates to a crude oil transportation pipeline leakage detection system architecture and a leakage location detection method. Background technique [0002] The traditional leak detection system based on the analysis of pressure signal and flow signal has similar basic components. The signal acquisition device is the special equipment and the main hardware cost of the leak detection system. The signal acquisition device mostly uses an independent RTU to realize data acquisition, communication and GPS. Time synchronization and other functions. The signal acquisition device is responsible for converting the current signal (4~20mA) of the pressure (or flow) transmitter into a digital signal, and transmitting it to the main computer of the monitoring system through communication methods such as Ethernet or serial port, and also receiving the synchronization signal ...

Claims

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Application Information

Patent Timeline
28 Jul 2020
Publication
CN111457256A
IPC
F17D5/02; F17D5/00
CPC
F17D5/00; F17D5/02
Inventors
张鑫; 郝颖珺