CN109798151A - A kind of method of intellectual monitoring methane gas extraction pipeline operation conditions - Google Patents
A kind of method of intellectual monitoring methane gas extraction pipeline operation conditions Download PDFInfo
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- CN109798151A CN109798151A CN201910012647.9A CN201910012647A CN109798151A CN 109798151 A CN109798151 A CN 109798151A CN 201910012647 A CN201910012647 A CN 201910012647A CN 109798151 A CN109798151 A CN 109798151A
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Abstract
A kind of method of intellectual monitoring methane gas extraction pipeline operation conditions, by methane transducer (8), flow sensor (5), ultrasonic distance sensor (7), displacement sensor (11) is mounted in spherical device (6), by spherical device setting in gas pumping pipeline (1), while spherical device moves in gas pumping pipeline, pass through methane transducer, flow sensor, ultrasonic distance sensor, methane concentration C inside displacement sensor real-time monitoring gas pumping pipeline, flow Q in pipeline, spherical device and the gas pumping pipeline inner wall distance d and moving displacement X of spherical device；Above-mentioned data are transferred to terrestrial information processing terminal to Data Management Analysis, to monitor whether gas pumping pipeline occurs to block or reveal.This method can accurately detect the position of methane gas extraction pipeline blocking and leakage, can shorten the time of pipe-repairing, and the generation of safety accident is avoided while improving gas drainage efficiency.
Description
Technical field
The present invention relates to a kind of monitoring method of methane gas extraction pipeline, specifically a kind of intellectual monitoring methane gas extraction pipeline fortune
The method of row situation, the monitoring of methane gas extraction pipeline operation conditions that is particularly suitable for easily blocking in pipe, reveal, belongs to coal peace
Full monitoring technical field.
Background technique
With the increase of coal mining depth and yield, methane outburst amount is more and more, in order to guarantee to keep the safety in production, greatly
Most mines carry out extraction to coal-bed gas by being laid with methane gas extraction pipeline.In the part mine in China, gas drainage pipe
Road is layed among air return lane mostly, and roadway maintenance ability is poor, extraction pipeline get rusty there is aging so that gas leakage feelings
Condition, and, be easy to appear roof fall, water drenching and bottom distension situations such as, thus the extraction that makes aging to get rusty more severe plus external condition
Pipe breakage causes gas leakage more serious, in the case where extraction negative pressure, is easy to be mixed into air in extraction pipeline, not only cause
Extraction efficiency reduces, and is mixed into oxygen in the case of a leak, will lead to gas explosion under certain conditions；Therefore, real
When methane gas extraction pipeline operation conditions is monitored, and find out in a short time methane gas extraction pipeline blocking and leakage position
It sets, it is most important to raising gas drainage efficiency and methane gas extraction pipeline safe operation.
Currently, the monitoring technology of coal mine gas drainage tube road operation conditions mainly uses for reference oil and gas industry phase
Pass technology, there are mainly two types of forms for monitoring technology, and one is the monitoring technology of hardware based pipeline operation conditions, another
The monitoring technology of software-based pipeline operation conditions, wherein the monitoring technology of hardware based pipeline operation conditions mainly according to
What is leaned on is by manual patrol or the various instrument and equipments based on principles such as optics, acoustics, chemistry to tube wall and pipeline
Environment is monitored, and this method can not achieve continuous real-time monitoring pipeline；The monitoring of software-based pipeline operation conditions
Technology is unstable；And the efficiency of manual patrol monitoring means is lower and lower, substantially prolongs the pipeline rehabilitation time, affects watt
The safety in production of this extraction efficiency and mine；And software-based pipeline leakage detection technique will be the following extraction pipeline monitoring skill
The developing direction of art, such methods are mainly analyzed and are located in real time to signals such as temperature, flow, the pressure acquired in real time
Reason is monitored pipeline operation conditions and is positioned to abort situation with this.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of side of intellectual monitoring methane gas extraction pipeline operation conditions
Method, this method can in time, accurately detect the position of methane gas extraction pipeline blocking and leakage, and be able to detect that and manually cannot
The place detected can shorten the time of pipe-repairing, ensure methane gas extraction pipeline safe operation, improve gas drainage efficiency
While avoid the generation of safety accident.
In order to solve the above technical problems, the present invention provides a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions,
The following steps are included:
Step 1: methane transducer, flow sensor, ultrasonic distance sensor, displacement sensor are mounted on spherical shape
In device, spherical device is arranged in gas pumping pipeline and is transported by acting on inside gas pumping pipeline for extraction negative pressure
It is dynamic；
Step 2: while spherical device moves in gas pumping pipeline, by methane transducer, flow sensor,
Methane concentration C inside ultrasonic distance sensor, displacement sensor real-time monitoring gas pumping pipeline, the flow Q in pipeline,
The axial movement of spherical device and gas pumping pipeline inner wall distance d and spherical device is displaced X；
Step 3: by the data monitored in step 2 by wireless real-time transmission to terrestrial information processing terminal, and lead to
Terrestrial information processing terminal is crossed to Data Management Analysis, to monitor whether gas pumping pipeline occurs to block or reveal.
As a further improvement of the present invention, the judgement side whether methane gas extraction pipeline blocked in the step 3
Method is as follows:
Step 1: real-time monitoring spherical device should meet formula with gas pumping pipeline inner wall distance d, numerical value
(1)
D=h-d1 (1)
In formula: d is spherical device at a distance from gas pumping pipeline inner wall；
H is the caliber of gas pumping pipeline；
d1For the diameter of spherical device；
If gas pumping pipeline is in normal operational condition, there is no spherical device if blocking and gas pumping pipelines
The distance d of inner wall should be a constant, if blocking occurs for gas pumping pipeline in spherical device and gas pumping pipeline
The distance d of wall can change；
Step 2: when to monitor that spherical device changes with gas pumping pipeline inner wall distance d same for spherical device
Shi Jilu at this time spherical device axial movement be displaced X1, when spherical device and gas pumping pipeline inner wall distance d are restored to
The axial movement that spherical device at this time is recorded when normal value is displaced X2, then gas pumping pipeline caused by ponding accumulated slag blocks length
Degree is X2-X1；
Step 3: the spherical device and gas pumping pipeline inner wall distance d that spherical device is monitored in blocking position
With the length X of gas pumping pipeline blocking2-X1It is fitted to obtain spherical device and gas pumping pipeline inner wall distance d and product
The length X of the blocking of gas pumping pipeline caused by water accumulated slag2-X1Functional relation d (x), then blocking caused by ponding accumulated slag
Volume V1Meet formula (2)
In formula: V1For the blocking volume of ponding accumulated slag；
H is the caliber of gas pumping pipeline；
d1For the diameter of spherical device；
X2-X1For stemming length；
D is spherical device at a distance from gas pumping pipeline inner wall；
If gas pumping pipeline does not block, the volume of this section of gas pumping pipeline meets formula (3)
Step 4: according to V1And V2Ratio, determine the chocking-up degree of gas pumping pipeline.
The chocking-up degree of the gas pumping pipeline in step 4 is divided into slight blocking A3, generally block A2, it is serious
Block A1Three grades, grade classification is according to formula (4)
As a further improvement of the present invention, the judgement side whether gas pumping pipeline revealed in the step 3
Method is as follows:
Step 1: by being flowed in the methane concentration C and pipeline to gas pumping pipeline and tailrace interface front and back 1m
The analysis of amount Q, which is handled, determines whether extraction borehole is revealed；A methane concentration C is taken every 0.1miWith pipeline flow Qj, connect
1m methane mean concentration and pipeline average flow rate are respectively before at mouthfulAfter interface
1m methane mean concentration and pipeline average flow rate are respectivelyIn case of leakage
ThenWhereinα=η β；
Step 2: the leak degree in step 1 is divided into slight leakage B3, generally reveals B2, severe leakage B1 tri-
Grade, leakage grade classification are (5) according to formula
The methane concentration real-time monitored for the leakage monitoring of gas pumping pipeline other positions by methane transducer
To determine；If gas pumping pipeline, there is no revealing, the methane concentration C in gas pumping pipeline is constant, i.e. C1=C2=...
=Cn, outside air, which is leak into pipeline, if pipeline leakage occurs causes methane concentration to be diluted, and concentration becomes smaller, and leakage grade is drawn
Divide according to formula (6)
As a further improvement of the present invention, the gas pumping pipeline can be iron pipe, PE pipe, pvc pipe, glass fibre
Pipe.
As a further improvement of the present invention, the spherical device is Explosion-proof Design.
As a further improvement of the present invention, intrinsic safety electric source is set in the inside of spherical device, which is respectively
Methane transducer, flow sensor, ultrasonic distance sensor, displacement sensor power supply.
The present invention is by being integrated in one for methane transducer, flow sensor, ultrasonic distance sensor, displacement sensor
In a spherical device, and spherical device is mounted in gas pumping pipeline, provides operation by extraction negative pressure for spherical device
Power, spherical device operation while by methane transducer, flow sensor, ultrasonic distance sensor, displacement pass
Methane concentration in sensor real-time monitoring gas pumping pipeline, the flow in pipeline, spherical device and gas pumping pipeline inner wall
Distance and spherical device displacement, and by the data monitored by wireless transmission in real time transfer data to ground letter
The position for ceasing processing terminal, and analyzing it and handle, and then be accurately obtained and revealed in gas pumping pipeline, blocked with
And severity.The present invention cannot continuously detect gas pumping pipeline when effectively overcoming artificial detection, and overcome pair
The drawbacks of position and size of gas pumping pipeline generation leakage and blocking cannot be promptly and accurately determined, while the present invention
It can also detect the place that cannot manually detect, substantially reduce reparation or clear up the time of line clogging, ensure watt
The safe operation of this extraction pipeline, while improving gas drainage efficiency and avoiding the generation of accident, valence is applied with high
Value.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1, gas pumping pipeline, 3, terrestrial information processing terminal, 4, ponding accumulated slag, 5, flow sensor, 6, spherical shape
Device, 7, ultrasonic distance sensor, 8, methane transducer, 9, tailrace, 10, extraction borehole, 11, displacement sensor.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
A kind of method of intellectual monitoring methane gas extraction pipeline operation conditions, comprising the following steps:
Step 1: methane transducer 8, flow sensor 5, ultrasonic distance sensor 7, displacement sensor 11 are mounted on
In spherical device 6, spherical device 6 is arranged in and acts on gas drainage pipe in gas pumping pipeline 1 and by extraction negative pressure
1 internal motion of road；
Step 2: while spherical device 6 moves in gas pumping pipeline 1, pass through methane transducer 8, flow sensing
Device 5, ultrasonic distance sensor 7, the methane concentration C inside 11 real-time monitoring gas pumping pipeline 1 of displacement sensor, in pipeline
The axial movement of flow Q, spherical device 6 and 1 inner wall distance d of gas pumping pipeline and spherical device 6 be displaced X；
Step 3: by the data monitored in step 2 by wireless real-time transmission to terrestrial information processing terminal 3, and lead to
Terrestrial information processing terminal 3 is crossed to Data Management Analysis, to monitor whether gas pumping pipeline 1 occurs to block or reveal.
Further, the judgment method whether blocked in the step 3 to methane gas extraction pipeline 1 is as follows:
Step 1: real-time monitoring spherical device 6 should meet formula with 1 inner wall distance d of gas pumping pipeline, numerical value
(1)
D=h-d1 (1)
In formula: d is spherical device at a distance from gas pumping pipeline inner wall；
H is the caliber of gas pumping pipeline；
d1For the diameter of spherical device；
If gas pumping pipeline is in normal operational condition, there is no spherical device 6 if blocking and gas drainage pipes
The distance d of 1 inner wall of road should be a constant, spherical device 6 and gas drainage pipe if blocking occurs for gas pumping pipeline 1
The distance d of 1 inner wall of road can change；
Step 2: when spherical device 6 monitors what spherical device 6 and 1 inner wall distance d of gas pumping pipeline changed
The axial movement for recording spherical device 6 at this time simultaneously is displaced X1, when spherical device 6 and 1 inner wall distance d of gas pumping pipeline are extensive
The axial movement displacement X of spherical device 6 at this time is recorded when arriving normal value again2, then gas pumping pipeline caused by ponding accumulated slag 4
1 stemming length is X2-X1；
Step 3: spherical device 6 that spherical device 6 is monitored in blocking position and 1 inner wall of gas pumping pipeline away from
Length X from d and the blocking of gas pumping pipeline 12-X1Be fitted to obtain spherical device 6 and 1 inner wall of gas pumping pipeline away from
Length X from the blocking of gas pumping pipeline 1 caused by d and ponding accumulated slag 42-X1Functional relation d (x), then 4 institute of ponding accumulated slag
Caused by blocking volume V1Meet formula (2)
In formula: V1For the blocking volume of ponding accumulated slag；
H is the caliber of gas pumping pipeline；
d1For the diameter of spherical device；
X2-X1For stemming length；
D is spherical device at a distance from gas pumping pipeline inner wall；
If gas pumping pipeline 1 does not block, the volume of this section of gas pumping pipeline 1 meets formula (3)
Step 4: according to V1And V2Ratio, determine the chocking-up degree of gas pumping pipeline 1.
The chocking-up degree of the gas pumping pipeline 1 in step 4 is divided into slight blocking A3, generally block A2, it is tight
A is blocked again1Three grades, grade classification is according to formula (4)
Further, the judgment method whether revealed in the step 3 to gas pumping pipeline 1 is as follows:
Step 1: by the methane concentration C and pipeline to 1m before and after gas pumping pipeline 1 and 9 interface of tailrace
The analysis of flow Q, which is handled, determines whether extraction borehole 10 is revealed；A methane concentration C is taken every 0.1miAnd pipeline flow
Qj, 1m methane mean concentration and pipeline average flow rate are respectively before interfaceInterface
1m methane mean concentration and pipeline average flow rate are respectively behind placeIf it happens
Leakage is thenWhereinα=η β；
Step 2: the leak degree in step 1 is divided into slight leakage B3, generally reveals B2, severe leakage B1 tri-
Grade, leakage grade classification are (5) according to formula；The leakage monitoring of 1 other positions of gas pumping pipeline is passed by methane
Methane concentration that sensor 8 real-time monitors determines；If gas pumping pipeline 1 is there is no revealing, in gas pumping pipeline 1
Methane concentration C it is constant, i.e. C1=C2=...=Cn, outside air, which is leak into pipeline, if pipeline leakage occurs causes methane dense
Degree is diluted, and concentration becomes smaller, and leakage grade classification is according to formula (6)
The data that the present invention monitors are not influenced by 1 tubing material of gas pumping pipeline, the gas pumping pipeline 1
Material can be applicable in for the common pipe of other underground gas extractions such as iron pipe, PE pipe, pvc pipe, fiberglass pipe.
Due to bad environments in gas pumping pipeline, for the service life for extending spherical device 6, the present invention preferably will be described
The outside of spherical device 6 uses Explosion-proof Design.
Intrinsic safety electric source is set in the inside of spherical device 6, which is respectively methane transducer 8, flow sensor
5, ultrasonic distance sensor 7, displacement sensor 11 are powered.
The present invention is used for the monitoring system of intellectual monitoring methane gas extraction pipeline operation conditions, and methane transducer 8, flow are passed
Sensor 5, ultrasonic distance sensor 7, displacement sensor 11 are installed in spherical device 6, and the setting of spherical device 6 is taken out in gas
It adopts in pipeline 1, and acts on 1 internal motion of gas pumping pipeline by extraction negative pressure；Spherical device 6 is in gas pumping pipeline
It is real-time by methane transducer 8, flow sensor 5, ultrasonic distance sensor 7, displacement sensor 11 in 1 while movement
Monitor the methane concentration C inside gas pumping pipeline 1, the flow Q in pipeline, spherical device 6 and 1 inner wall of gas pumping pipeline
The moving displacement X of distance d and spherical device 6；By methane transducer 8, flow sensor 5, ultrasonic distance sensor 7, position
The data that displacement sensor 11 monitors are handled by wireless real-time transmission to terrestrial information processing terminal 3, and by terrestrial information
Terminal 3 is to Data Management Analysis, to monitor whether gas pumping pipeline 1 occurs to block or reveal, the system structure is simple,
Easy to use, spherical device 6 is suitble to the various gas pumping pipelines in underground, can accomplish real-time monitoring, and entire monitoring process
Without dead angle.
Claims (7)
1. a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions, which comprises the following steps:
Step 1: methane transducer (8), flow sensor (5), ultrasonic distance sensor (7), displacement sensor (11) are pacified
In spherical device (6), by spherical device (6) setting acting in gas pumping pipeline (1) and by extraction negative pressure
Gas pumping pipeline (1) internal motion；
Step 2: spherical device (6) while movement, is passed in gas pumping pipeline (1) by methane transducer (8), flow
The internal methane of sensor (5), ultrasonic distance sensor (7), displacement sensor (11) real-time monitoring gas pumping pipeline (1) is dense
Spend C, the flow Q in pipeline, spherical device (6) and gas pumping pipeline (1) inner wall distance d and the axis of spherical device (6)
To moving displacement X；
Step 3: by the data monitored in step 2 by wireless real-time transmission to terrestrial information processing terminal (3), and pass through
Terrestrial information processing terminal (3) is to Data Management Analysis, to monitor whether gas pumping pipeline (1) blocks or let out
Dew.
2. a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions according to claim 1, which is characterized in that institute
It is as follows to state the judgment method whether blocked in step 3 to methane gas extraction pipeline (1):
Step 1: real-time monitoring spherical device (6) should meet formula with gas pumping pipeline (1) inner wall distance d, numerical value
(1)
D=h-d1 (1)
In formula: d is spherical device at a distance from gas pumping pipeline inner wall；
H is the caliber of gas pumping pipeline；
d1For the diameter of spherical device；
If gas pumping pipeline is in normal operational condition, there is no spherical device (6) and gas pumping pipelines if blocking
(1) the distance d of inner wall should be a constant, and spherical device (6) and gas are taken out if blocking occurs for gas pumping pipeline (1)
The distance d for adopting pipeline (1) inner wall can change；
Step 2: when spherical device (6) monitors that spherical device (6) changes with gas pumping pipeline (1) inner wall distance d
While record at this time spherical device (6) axial movement be displaced X1, when spherical device (6) and gas pumping pipeline (1) inner wall
Distance d record spherical device (6) at this time when being restored to normal value axial movement displacement X2, then caused by ponding accumulated slag (4)
Gas pumping pipeline (1) stemming length be X2-X1；
Step 3: the spherical device (6) that spherical device (6) is monitored in blocking position and gas pumping pipeline (1) inner wall
The length X of distance d and gas pumping pipeline (1) blocking2-X1It is fitted to obtain spherical device (6) and gas pumping pipeline (1)
The length X of the blocking of gas pumping pipeline (1) caused by the distance d and ponding accumulated slag (4) of inner wall2-X1Functional relation d (x),
Then blocking volume V caused by ponding accumulated slag (4)1Meet formula (2)
In formula: V1For the blocking volume of ponding accumulated slag；
H is the caliber of gas pumping pipeline；
d1For the diameter of spherical device；
X2-X1For stemming length；
D is spherical device at a distance from gas pumping pipeline inner wall；
If gas pumping pipeline (1) does not block, the volume of this section of gas pumping pipeline (1) meets formula (3)
Step 4: according to V1And V2Ratio, determine the chocking-up degree of gas pumping pipeline (1).
3. a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions according to claim 2, which is characterized in that will
The chocking-up degree of the gas pumping pipeline (1) in step 4 is divided into slight blocking A3, generally block A2, Severe blockage A1
Three grades, grade classification is according to formula (4)
。
4. a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions according to claim 1, which is characterized in that institute
It is as follows to state the judgment method whether revealed in step 3 to gas pumping pipeline (1):
Step 1: by the methane concentration C and pipeline to 1m before and after gas pumping pipeline (1) and tailrace (9) interface
The analysis of flow Q, which is handled, determines whether extraction borehole (10) reveal；A methane concentration C is taken every 0.1miWith pipeline stream
Measure Qj, 1m methane mean concentration and pipeline average flow rate are respectively before interface It connects
1m methane mean concentration and pipeline average flow rate are respectively after at mouthful If it happens
Leakage is thenWhereinα=η β；
Step 2: the leak degree in step 1 is divided into slight leakage B3, generally reveals B2, severe leakage B1 tri- etc.
Grade, leakage grade classification are (5) according to formula, and the leakage monitoring of gas pumping pipeline (1) other positions is passed by methane
Methane concentration that sensor (8) real-time monitors determines；If there is no leakage, gas drainage pipes for gas pumping pipeline (1)
Methane concentration C in road (1) is constant, i.e. C1=C2=...=Cn, outside air leaks into pipeline and causes if pipeline leakage occurs
Methane concentration is diluted, and concentration becomes smaller, and leakage grade classification is according to formula (6)
。
5. a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions according to any one of claims 1 to 4, special
Sign is, intrinsic safety electric source is arranged in the inside of spherical device (6), which is respectively methane transducer (8), flow sensing
Device (5), ultrasonic distance sensor (7), displacement sensor (11) power supply.
6. a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions according to any one of claims 1 to 4, special
Sign is that the spherical device (6) is Explosion-proof Design.
7. a kind of method of intellectual monitoring methane gas extraction pipeline operation conditions according to any one of claims 1 to 4, special
Sign is that the gas pumping pipeline (1) can be iron pipe, PE pipe, pvc pipe, fiberglass pipe.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850466A (en) * | 2019-11-06 | 2020-02-28 | 中国矿业大学 | Filling pipeline blockage detection device and detection method |
| CN112628610A (en) * | 2020-11-03 | 2021-04-09 | 中冶南方都市环保工程技术股份有限公司 | Method and system for detecting leakage of aerobic repair gas pumping and injecting pipeline of refuse landfill |
| CN114858224A (en) * | 2022-07-08 | 2022-08-05 | 山西中能华信矿业技术有限公司 | Extraction device and method for mine operation gas detection |
| CN114935371A (en) * | 2022-06-20 | 2022-08-23 | 江西科技学院 | Mechanical property safety monitoring system about stressed plate |
| CN116816424A (en) * | 2023-06-28 | 2023-09-29 | 安徽理工大学 | Intelligent monitoring system of mine gas extraction pipeline |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202024097U (en) * | 2011-04-28 | 2011-11-02 | 煤炭科学研究总院重庆研究院 | Gas drainage pipeline ultrasonic leakage detector used in coal mines |
| US20120067126A1 (en) * | 2008-07-23 | 2012-03-22 | Arthur Hartog | Monitoring of the position of a pipe inspection tool in a pipeline |
| CN104653221A (en) * | 2014-12-26 | 2015-05-27 | 山东东宏管业股份有限公司 | Coal mine gas drainage pipeline optical fiber monitoring system |
| CN105065057A (en) * | 2015-07-23 | 2015-11-18 | 陕西煤业化工技术研究院有限责任公司 | Coal mine gas extraction parameter automatic regulating and controlling system and coal mine gas extraction parameter automatic regulating and controlling method |
| CN105401972A (en) * | 2015-09-02 | 2016-03-16 | 煤科集团沈阳研究院有限公司 | Coalbed methane safety extraction intelligent control system and control method |
| CN105736948A (en) * | 2014-12-12 | 2016-07-06 | 四川省科建煤炭产业技术研究院有限公司 | Coal seam gas extraction pipe control device and control method |
| CN105757459A (en) * | 2016-03-02 | 2016-07-13 | 中国矿业大学 | Gas extraction pipe network parameter monitoring system and leaking point accurate positioning method |
| CN105822338A (en) * | 2016-03-18 | 2016-08-03 | 河南工程学院 | Coal-mine gas extraction control system and method |
| CN105927862A (en) * | 2016-04-21 | 2016-09-07 | 中国矿业大学 | Method for acoustically monitoring blockage of gas extraction pipeline |
| CN107830412A (en) * | 2017-10-30 | 2018-03-23 | 重庆科技学院 | The incomplete blocking position detecting system of pipeline and detection method |
-
2019
- 2019-01-07 CN CN201910012647.9A patent/CN109798151B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120067126A1 (en) * | 2008-07-23 | 2012-03-22 | Arthur Hartog | Monitoring of the position of a pipe inspection tool in a pipeline |
| CN202024097U (en) * | 2011-04-28 | 2011-11-02 | 煤炭科学研究总院重庆研究院 | Gas drainage pipeline ultrasonic leakage detector used in coal mines |
| CN105736948A (en) * | 2014-12-12 | 2016-07-06 | 四川省科建煤炭产业技术研究院有限公司 | Coal seam gas extraction pipe control device and control method |
| CN104653221A (en) * | 2014-12-26 | 2015-05-27 | 山东东宏管业股份有限公司 | Coal mine gas drainage pipeline optical fiber monitoring system |
| CN105065057A (en) * | 2015-07-23 | 2015-11-18 | 陕西煤业化工技术研究院有限责任公司 | Coal mine gas extraction parameter automatic regulating and controlling system and coal mine gas extraction parameter automatic regulating and controlling method |
| CN105401972A (en) * | 2015-09-02 | 2016-03-16 | 煤科集团沈阳研究院有限公司 | Coalbed methane safety extraction intelligent control system and control method |
| CN105757459A (en) * | 2016-03-02 | 2016-07-13 | 中国矿业大学 | Gas extraction pipe network parameter monitoring system and leaking point accurate positioning method |
| CN105822338A (en) * | 2016-03-18 | 2016-08-03 | 河南工程学院 | Coal-mine gas extraction control system and method |
| CN105927862A (en) * | 2016-04-21 | 2016-09-07 | 中国矿业大学 | Method for acoustically monitoring blockage of gas extraction pipeline |
| CN107830412A (en) * | 2017-10-30 | 2018-03-23 | 重庆科技学院 | The incomplete blocking position detecting system of pipeline and detection method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850466A (en) * | 2019-11-06 | 2020-02-28 | 中国矿业大学 | Filling pipeline blockage detection device and detection method |
| CN112628610A (en) * | 2020-11-03 | 2021-04-09 | 中冶南方都市环保工程技术股份有限公司 | Method and system for detecting leakage of aerobic repair gas pumping and injecting pipeline of refuse landfill |
| CN112628610B (en) * | 2020-11-03 | 2023-02-03 | 中冶南方都市环保工程技术股份有限公司 | Method and system for detecting leakage of aerobic repair gas pumping and injecting pipeline of refuse landfill |
| CN114935371A (en) * | 2022-06-20 | 2022-08-23 | 江西科技学院 | Mechanical property safety monitoring system about stressed plate |
| CN114858224A (en) * | 2022-07-08 | 2022-08-05 | 山西中能华信矿业技术有限公司 | Extraction device and method for mine operation gas detection |
| CN114858224B (en) * | 2022-07-08 | 2022-10-14 | 山西中能华信矿业技术有限公司 | Extraction device and method for mine operation gas detection |
| CN116816424A (en) * | 2023-06-28 | 2023-09-29 | 安徽理工大学 | Intelligent monitoring system of mine gas extraction pipeline |
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