CN104599039A - Intelligent leakage management system for pipeline - Google Patents
Intelligent leakage management system for pipeline Download PDFInfo
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- CN104599039A CN104599039A CN201410824562.8A CN201410824562A CN104599039A CN 104599039 A CN104599039 A CN 104599039A CN 201410824562 A CN201410824562 A CN 201410824562A CN 104599039 A CN104599039 A CN 104599039A
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Abstract
The invention discloses an intelligent leakage management system for a pipeline. The intelligent leakage management system for the pipeline comprises a leaked medium gathering and detecting device sleeving on a pipeline flange, the leaked medium gathering and detecting device acquires the leakage data of the flange along the pipeline direction through built-in sensors, an intelligent sensing network is formed between the sensors on the pipeline, the intelligent sensing network has communication connection with a monitoring unit, and the monitoring unit is used for evaluating the comprehensive leakage situation of the flange part on the pipeline. Through using an annular gathering tank and the sensors to detect the leakage of the pipeline flange, the intelligent leakage management system for the pipeline is capable of realizing the early automatic detection for the leakage and the system evaluation for the pipeline leakage, and accordingly the automatic management for the pipeline leakage is realized.
Description
Technical field
The present invention relates to petrochemical complex security technology area, particularly relate to a kind of pipeline intelligence and leak management system, aim to provide and a kind ofly to detect and the system of spillage risk analysis and assessment for pipeline leakage, realize underwater flange Leak Detection by this system, assess spillage risk and intelligent management thereof.
Background technology
Petrochemical equipment process mostly be the inflammable poisonous medium of High Temperature High Pressure, once leak, gently then cause the loss of processing materials, and bring environmental pollution, heavy then generation is a large amount of leaks major accident such as possibility initiation fire, blast etc., brings heavy losses to personal security, environmental impact.According to fluid mechanics principle, medium is always flowed by gap under pressure differential.For pressure line, pipeline internal pressure is higher, and dielectric leakage possibility is larger.Medium is leaked by the sealing such as flange position under differential pressure action, and partial compromise accumulates in liquid form and is duct bottom flange, part due to leakage rate little, leaking medium volatilizees in atmosphere, the lower thus detection difficult of volatile medium concentration.
Leak very general in petrochemical equipment, in traditional petrochemical equipment daily management, only develop into macroscopic leakage, or instrument can examine degree time leak and just can be found, the early detection difficulty of thus leaking.In addition, owing to lacking early detection means, adopting all flanges of generaI investigation mode to whole pipeline to carry out systems axiol-ogy wastes time and energy, and inefficiency.Finally, owing to lacking effective means of flanges all on pipeline being carried out to the Leak Detection of system, thus cannot assess the leakage situation of pipeline integrity according to testing result, and evaluation process operation further, hermetically-sealed construction is on the impact of leakage control.
Problems of the prior art:
1. the leakage of petrochemical equipment pressure line is very general, the pipe flange position that traditional Leak Detection is leaked by artificial commute mainly through Daily Round Check is detected, this detection is wasted time and energy, and only have and form macroscopic leakage, or a large amount of leak to reach when instrument can examine scope just can be found;
2. when the position occurring to leak produces volatile medium, only when the concentration of volatile medium reaches the scope that sensor can detect, just can detect, owing to lacking, the method for effectively collecting be carried out to leaking medium, delay the opportunity of early detection;
3. traditional pipeline leakage detection method cannot accomplish to carry out Leak Detection for specific flange, and Leak Detection specific aim is not strong, even if leakage detected, the assessment of leaking location and leakiness is also very difficult;
4. owing to lacking the leakage management method of system, the Leak Detection result of whole flange on whole piece pipeline cannot be utilized, carry out the judgement causing Analysis of The Leakage, leak Severity and leakage development trend;
5. owing to lacking the leakage management method of system, Analysis of test results cannot be utilized the leakage caused due to systemic problem, as adopt hermetically-sealed construction is not suitable for, encapsulant is unreasonable, the incorrect or working conditions change of operation operating mode and the maintenance maintenance method problem caused such as not in place, traditional Leak Detection and characterizing method judge very difficult to the analysis of problems;
6. owing to lacking the leakage management method of system, when Leak Detection is carried out to flange whole on whole piece pipeline, cannot carry out efficiently for underwater flange, intellectuality, systematic detection.
Summary of the invention
The invention provides a kind of pipeline intelligence and leak management system, utilize each annular collection trough and sensor of being installed on whole piece underwater flange, for to leaking medium Efficient Collection, utilize sensor to carry out the leakage early detection of specific flange, realize detecting the system leak of single flange and completely flange and for systematic analysis.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of pipeline intelligence leaks management system, comprise the leaking medium collection and detection device be set on underwater flange, this leaking medium collection and detection device obtains the leak data along pipeline direction flange by built-in sensor, intelligent sensing net is formed between sensor on pipeline, this intelligent sensing net is connected with monitoring unit communication, and monitoring unit is for assessment of the COMPREHENSIVE LEAKAGE situation at pipeline upper flange position.
Further, described leaking medium collection and detection device comprises and being set on underwater flange for collecting the annular collection trough of leaking medium, the inner edge of annular collection trough and pipeline outer wall or flange close contact, described sensor is located in annular collection trough, for detecting micro-leakage medium, the signal output part of this sensor is connected with the input end of monitoring unit.
Described annular collection trough comprises the suitable arc groove of two panels, and one end of two panels arc groove is hinged, and the other end is removably connected by lever fastening structure.
Preferably, described annular collection trough top offers exhausr port, and described sensor setting is in this exhaust ports.
Preferably, described annular collection trough bottom offers leakage fluid dram, and described sensor setting is at this leakage fluid dram place.
From above technical scheme, the present invention has following beneficial effect:
(1) flange leakage medium can in annular collection trough inner accumulated, and when avoiding because of premature leak, leaking medium is difficult to the problem detected in atmospheric environment disperse, can realize the early detection of leaking;
(2) sensor for detecting micro-leakage medium being set in annular collection trough, utilizing the feature of annular collection trough internal leakage medium enrichment, realize the early stage of leaking medium and automatically detect;
(3) by arranging corresponding annular collection trough and sensor on each flange of whole piece pipeline, can realize to the early detection of single flange leakage with accurately locate;
(4) by arranging corresponding annular collection trough and sensor on each flange of whole piece pipeline, the concrete data of each flange leakage situation can be obtained, for analyzing from system level pipeline leakage situation, can be used for the adaptability evaluating the leakage situation of pipeline integrity, the performance assessing pipeline hermetically-sealed construction used, assessment flange, material, medium and maintenance maintenance; The impact that evaluation process operation is leaked pipeline system, for hermetically-sealed construction type selecting, technological operation adjustment, system maintenance etc. provide foundation.
Accompanying drawing explanation
Fig. 1 is the structural representation that pipeline of the present invention intelligence leaks management system;
Fig. 2 is the closure state schematic diagram of leaking medium collection and detection device in the present invention;
Fig. 3 is the deployed condition schematic diagram of leaking medium collection and detection device in the present invention;
Fig. 4 is the structural representation of one section of arc groove in annular collection trough of the present invention, and shows the position of exhausr port and leakage fluid dram;
Fig. 5 is the scheme of installation of leaking medium collection and detection device on flange in the present invention, merely illustrates wherein a slice arc groove of annular collection trough in figure.
Embodiment
Below in conjunction with accompanying drawing, a kind of preferred implementation of the present invention is described in detail.
The present invention is directed to feature and the most of present situation for flange leakage of pipeline leakage of pipeline leakage dangerous matter sources in daily production, a kind of pipeline intelligence is provided to leak management system, Detection & Controling can be carried out for underwater flange spillage risk source, realize the system evaluation of early stage detection and the pipeline leakage automatically leaked, thus realize the automatic management of pipeline leakage.
Described pipeline intelligence is leaked management system and is comprised and be set in leaking medium collection and detection device on underwater flange and monitoring unit, this leaking medium collection and detection device obtains the leak data along pipeline direction flange by built-in sensor, intelligent sensing net is formed between sensor on pipeline, this intelligent sensing net is connected with monitoring unit communication, and monitoring unit is for assessment of the COMPREHENSIVE LEAKAGE situation at pipeline upper flange position.
As shown in Fig. 2,3 and 4, described leaking medium collection and detection device comprises the annular collection trough 100 be spliced by two panels arc groove 110, one end of two panels arc groove is hinged by angle chain 101, the other end is removably connected by portable lever fastening structure 102, in (or comprising fastening bolt) around whole flange can being wrapped in, when dielectric leakage, no matter in a gaseous form or the medium that leaks of liquid form, can be collected in annular collection trough, and provide the environment of a Relatively centralized to be convenient to the early detection of leaking medium.
As shown in Figures 4 and 5, described annular collection trough 100 is set on underwater flange 200, annular collection trough adopts soft or hard metal or nonmetallic materials to make, the outer wall of annular collection trough inner edge and pipeline 300 or flange close contact, thus wrap up whole secondary flange (also can only wrap up flange periphery).Be provided with the sensor 121,122 for detecting micro-leakage medium inside annular collection trough periphery, the signal output part of this sensor is connected with the input end of monitoring unit, for being uploaded in time by leakage information.The described sensor for Leak Detection can be internet of things sensors, and also can be traditional sensor, signal transmission form section be not limited to wired or wireless, and sensor power is not limited to external power supply or battery.
Owing to adopting annular collection trough to carry out leaking medium collection, guarantee leaking medium enrichment in feeder, can be used for the early detection that underwater flange position is leaked.Described annular collection trough and specific flange one_to_one corresponding, can carry out the quick position leaked, and Leak Detection result can be used for the adaptability assessing underwater flange hermetically-sealed construction.
As shown in Figure 4, described annular collection trough top and bottom offer exhausr port 130 and leakage fluid dram 140 respectively, described sensor is separately positioned on this exhausr port and leakage fluid dram place, discharges the leaking medium in annular collection trough when the effect of exhausr port and leakage fluid dram is all and is convenient to keep in repair.The sensor being arranged on top can 121 to detect for medium that is little to leakage rate and the gaseous form of volatilizing in atmosphere, and the sensor 122 being arranged on bottom is for detecting the medium accumulating in annular collection trough bottom in liquid form.
As shown in Figure 1, described pipeline intelligence is leaked in management system, need to arrange corresponding annular collection trough 100 and sensor along collecting on the whole flange of whole piece pipeline (or part flange), obtain along pipeline direction the leak data of whole (or part) flange, realize to single flange and completely flange system leak detection and for systematic analysis.
Corresponding leakage detecting sensor is needed to form intelligent sensing net, monitoring unit 400 is interrogated with intelligent sensing Netcom and is connected, by specific analytical approach (as correlation analysis, leak data compare of analysis method) etc., evaluate the COMPREHENSIVE LEAKAGE situation at pipeline upper flange position, as the adaptability of the flange leakage performance under assessment different operating operating mode, assessment " flange sealing structure-medium-encapsulant ", assessment pipeline flange leakage situation etc. in long-term operation process; And utilize analysis result, instruct technological operation to reduce leakage, assessment pipeline leakage situation or for assessment of the adaptability of flange sealing structure or for improvement of technique or improve flange sealing structure etc.
The above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (5)
1. a pipeline intelligence leaks management system, it is characterized in that, comprise the leaking medium collection and detection device be set on underwater flange, this leaking medium collection and detection device obtains the leak data along pipeline direction flange by built-in sensor, intelligent sensing net is formed between sensor on pipeline, this intelligent sensing net is connected with monitoring unit communication, and monitoring unit is for assessment of the COMPREHENSIVE LEAKAGE situation at pipeline upper flange position.
2. pipeline intelligence according to claim 1 leaks management system, it is characterized in that, described leaking medium collection and detection device comprises and being set on underwater flange for collecting the annular collection trough of leaking medium, the inner edge of annular collection trough and pipeline outer wall or flange close contact, described sensor is located in annular collection trough, for detecting micro-leakage medium, the signal output part of this sensor is connected with the input end of monitoring unit.
3. pipeline intelligence according to claim 2 leaks management system, and it is characterized in that, described annular collection trough comprises the suitable arc groove of two panels, and one end of two panels arc groove is hinged, and the other end is removably connected by lever fastening structure.
4. pipeline intelligence according to claim 2 leaks management system, and it is characterized in that, described annular collection trough top offers exhausr port, and described sensor setting is in this exhaust ports.
5. pipeline intelligence according to claim 2 leaks management system, and it is characterized in that, described annular collection trough bottom offers leakage fluid dram, and described sensor setting is at this leakage fluid dram place.
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| CN201410824562.8A CN104599039A (en) | 2014-12-26 | 2014-12-26 | Intelligent leakage management system for pipeline |
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| CN201410824562.8A CN104599039A (en) | 2014-12-26 | 2014-12-26 | Intelligent leakage management system for pipeline |
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Cited By (9)
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| CN105782725A (en) * | 2016-04-11 | 2016-07-20 | 长江师范学院 | Shale gas pipeline leakage monitoring and recycling treatment method |
| CN105784286A (en) * | 2015-12-28 | 2016-07-20 | 苏州宝骅机械技术有限公司 | Leakage medium pressure detectable sealing assembly and using method thereof |
| CN106996809A (en) * | 2017-04-14 | 2017-08-01 | 吉林师范大学 | Gas discharge monitoring platform and application method based on Internet of Things |
| CN108710720A (en) * | 2018-04-03 | 2018-10-26 | 合肥通用机械研究院有限公司 | A kind of Bolted Flanged Connection structural analysis design method based on slip |
| CN109373200A (en) * | 2018-10-26 | 2019-02-22 | 南京鑫联交通设备有限公司 | Compressed air line leak detection system based on comprehensive parameters analysis |
| CN112393126A (en) * | 2020-11-04 | 2021-02-23 | 西安重光明宸检测技术有限公司 | Water supply line water leakage point detection system |
| CN113154266A (en) * | 2020-12-28 | 2021-07-23 | 浙江大学 | Active leak detection pipeline device based on flexible sensor and active leak detection method |
| DE102020134731A1 (en) | 2020-12-22 | 2022-06-23 | Endress+Hauser Conducta Gmbh+Co. Kg | housing structure |
| CN117663010A (en) * | 2024-01-30 | 2024-03-08 | 河北金锁安防工程股份有限公司 | Olfaction sensing device for urban pipe gallery |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105784286A (en) * | 2015-12-28 | 2016-07-20 | 苏州宝骅机械技术有限公司 | Leakage medium pressure detectable sealing assembly and using method thereof |
| CN105782725A (en) * | 2016-04-11 | 2016-07-20 | 长江师范学院 | Shale gas pipeline leakage monitoring and recycling treatment method |
| CN106996809A (en) * | 2017-04-14 | 2017-08-01 | 吉林师范大学 | Gas discharge monitoring platform and application method based on Internet of Things |
| CN108710720A (en) * | 2018-04-03 | 2018-10-26 | 合肥通用机械研究院有限公司 | A kind of Bolted Flanged Connection structural analysis design method based on slip |
| CN108710720B (en) * | 2018-04-03 | 2021-11-23 | 合肥通用机械研究院有限公司 | Analysis design method for bolt flange connection structure based on leakage rate |
| CN109373200A (en) * | 2018-10-26 | 2019-02-22 | 南京鑫联交通设备有限公司 | Compressed air line leak detection system based on comprehensive parameters analysis |
| CN112393126A (en) * | 2020-11-04 | 2021-02-23 | 西安重光明宸检测技术有限公司 | Water supply line water leakage point detection system |
| DE102020134731A1 (en) | 2020-12-22 | 2022-06-23 | Endress+Hauser Conducta Gmbh+Co. Kg | housing structure |
| CN113154266A (en) * | 2020-12-28 | 2021-07-23 | 浙江大学 | Active leak detection pipeline device based on flexible sensor and active leak detection method |
| CN117663010A (en) * | 2024-01-30 | 2024-03-08 | 河北金锁安防工程股份有限公司 | Olfaction sensing device for urban pipe gallery |
| CN117663010B (en) * | 2024-01-30 | 2024-04-09 | 河北金锁安防工程股份有限公司 | Olfaction sensing device for urban pipe gallery |
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Application publication date: 20150506 |
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