CN103628922A - Intelligent gas transmission pipeline monitoring system and monitoring method - Google Patents
Intelligent gas transmission pipeline monitoring system and monitoring method Download PDFInfo
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- CN103628922A CN103628922A CN201310678908.3A CN201310678908A CN103628922A CN 103628922 A CN103628922 A CN 103628922A CN 201310678908 A CN201310678908 A CN 201310678908A CN 103628922 A CN103628922 A CN 103628922A
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Abstract
The invention discloses an intelligent gas transmission pipeline monitoring system and an intelligent gas transmission pipeline monitoring method, and belongs to the technical field of gas monitoring. The intelligent gas transmission pipeline monitoring system comprises T-branch pipes (14) arranged in each mining area, wherein the other two ends of each T-branch pipe (14) are connected into a main pumping and mining pipeline (5); two adjacent T-branch pipes (14) are connected by one or a plurality of plastic pipelines (13); the main pumping and mining pipeline (5) extends to the ground to be connected with ground pumping and mining equipment. The intelligent gas transmission pipeline monitoring system is characterized in that a branch monitoring device is arranged in a branch pipe; a main pipeline pumping and mining device is arranged in the main pumping and mining pipeline (5); the branch monitoring device and the main pipeline pumping and mining device are simultaneously connected with a data transmission bus (4). According to the intelligent gas transmission pipeline monitoring system and the monitoring method disclosed by the invention, gas concentration monitoring is carried out in an underground mine gas main pumping and mining pipeline and the branch pipeline of each mining area, and meanwhile the gas leakage position can be effectively and accurately judged to realize efficient and safe pumping and mining.
Description
Technical field
Intelligent gas conveyer tube monitoring system and method for supervising, belong to gas-monitoring technical field.Be specifically related to a kind of feature with leak detection, leakproof, leak stopping, realize intelligent gas conveyer tube monitoring system and the method for supervising of highly effective and safe extraction.
Background technology
Difference in China due to the geological conditions in each colliery, gas bearing capacity dynamic change between 0.5%-80% of coal bed gas (gas).The amount of the gas being extracted into due to each face is different, so the gas that the branch line in each exploiting field is extracted into is pooled to after extraction main pipeline, concentration is in constantly in change procedure.Therefore, in the prior art, be positioned at Surveillance center on the ground and be difficult to monitor stable, gas density numerical value accurately, thereby the judgement of gas density and leakage situation cannot be judged accurately, be grasped, once gas leaks, can become larger potential safety hazard.In the prior art, the artificial mode of general employing judges the gas leakage situation of extraction pipeline, because extraction pipeline is general long and have a more lateral, so adopt the mode operating efficiency of artificial leak detection lower, waste a large amount of manpower and materials, cannot meet the requirement of location fast of gas leakage point simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of and carry out gas concentration monitoring in downhole coal mine gas pumping main pipeline and each exploiting field lateral, can judge effectively, accurately gas leakage place simultaneously, realize intelligent gas conveyer tube monitoring system and method for supervising efficient, safe extraction.
The technical solution adopted for the present invention to solve the technical problems is: this intellectuality gas conveyer tube monitoring system, comprise that a port stretches in each exploiting field the triplate line as branch line, in the other two ends access extraction main pipeline of triplate line, between adjacent two triplate lines, by one or more plastic piping, connected, extraction main pipeline extends to ground and is connected with the extraction equipment on ground, it is characterized in that: in described branch line, be provided with branch road monitoring device, in described extraction main pipeline, be provided with main pipeline drainage device, branch road monitoring device, main pipeline drainage device is connected with data transmission bus simultaneously.
Described main pipeline drainage device comprises the extraction flow monitoring device that is arranged on extraction main pipeline entrance and exit place, is arranged on a plurality of extraction purpose monitoring devices in extraction main pipeline.
Described branch road monitoring device comprises the methane transducer that is arranged on each branch line entrance, exploiting field, is arranged on the extraction flow monitoring device in branch line exit, exploiting field and is arranged on pipeline in the branch line monitoring system of dusting.
In the tunnel in each described exploiting field, be provided with environmental monitoring installation.
Described extraction flow monitoring device comprises: the first communication module, the first memory module, the first display module, first microprocessor, the first infrared remote control module, the first power transfer module and a plurality of acquisition sensor, acquisition sensor is connected with first microprocessor, first microprocessor is connected with the first display module with the first memory module, the first infrared remote control module is connected with first microprocessor with the first power transfer module, first microprocessor is connected with the first communication module, and the first communication module is connected with data transmission bus.
Described environmental monitoring installation comprises the second communication module, the second memory module, the second display module, the second microprocessor, the second infrared remote control module, second source modular converter, first sensor control module and environment monitoring sensor, environment monitoring sensor is connected with first sensor control module, first sensor control module is connected with the second microprocessor, the second microprocessor is connected with the second display module with the second memory module, the second infrared remote control module is connected with the second microprocessor with second source modular converter, the second microprocessor is connected with the second communication module, the second communication module is connected with data transmission bus.
Described environment monitoring sensor comprises: methane transducer, CO sensor, temperature pick up, SO
2sensor, H
2s sensor and ammonia gas sensor.
Described extraction purpose monitoring device comprises: the 3rd communication module, the 3rd memory module, the 3rd display module, the 3rd microprocessor, the 3rd infrared remote control module, the 3rd power transfer module, the second sensor control module and monitoring sensor, monitoring sensor is connected with the second sensor control module, the second sensor control module is connected with the 3rd microprocessor, the 3rd microprocessor is connected with the 3rd display module with the 3rd memory module, the 3rd infrared remote control module is connected with the 3rd microprocessor with the 3rd power transfer module, the 3rd microprocessor is connected with the 3rd communication module, the 3rd communication module is connected with data transmission bus.
Described monitoring sensor comprises methane transducer, CO sensor, temperature pick up, pressure sensor, flow transmitter and some methane optical fiber sensors, and methane optical fiber sensor is distributed in extraction main pipeline and extraction main pipeline and lateral junction.
Intelligent gas conveyer tube method for supervising, is characterized in that: comprise the following steps:
The some methane optical fiber sensors that are arranged on the junction of the branch line that extraction main pipeline is interior, junction, extraction main pipeline and each exploiting field of two sections of pipelines are connected carry out Real-time Collection to the concentration of methane;
Each methane optical fiber sensor uploads to the concentration value collecting in connected extraction purpose monitoring device;
The real-time concentration value that extraction purpose monitoring device is uploaded according to each methane optical fiber sensor of receiving, carries out point-to-point concentration ratio to adjacent 2;
Extraction purpose monitoring device compares a plurality of differences that calculate successively with predefined concentration difference threshold value;
Whether step 1005, reach threshold value;
Extraction purpose monitoring device judges whether all differences meet or exceed predefined concentration difference threshold value, if do not reach predefined concentration difference threshold value, return to step 1001, if met or exceeded predefined concentration difference threshold value, can judge in the adjacent two corresponding extraction main pipelines of methane transducer institute that occur this difference and occur gas leakage, perform step 1006;
Find that after pipe leakage, extraction purpose monitoring device is uploaded to related data in ground control computer and reports to the police;
After the staff on ground sees the alarm signal of uploading in underground mine, notice underground activities personnel manually hunt leak, process to the leakage section of extraction main pipeline, completes leak stopping.
Compared with prior art, of the present invention had beneficial effect is: intelligent gas conveyer tube monitoring system of the present invention and method for supervising, in downhole coal mine gas pumping main pipeline and each exploiting field lateral, carry out gas concentration monitoring, after there is gas leakage situation, the monitor value collecting by the firedamp sensor being arranged in extraction main pipeline and each exploiting field, the monitor value of adjacent two methane transducers is carried out to the calculating of concentration difference, compare with the difference threshold presetting simultaneously, thereby can be effective, the place of judgement gas leakage accurately, realize efficient, safe extraction, greatly shortened the time of leak detection, guaranteed the safety of down-hole extraction.The data that simultaneously each sensor collected are stored, are uploaded, and have improved the operating efficiency of aboveground work simultaneously, and the intelligent degree of extraction is increased greatly.
Accompanying drawing explanation
Fig. 1 is intelligent gas conveyer tube monitoring system structural representation.
Fig. 2 is intelligent gas conveyer tube monitoring system extraction flow monitoring device functional-block diagram.
Fig. 3 is intelligent gas conveyer tube monitoring system environmental monitoring installation functional-block diagram.
Fig. 4 is intelligent gas conveyer tube monitoring system extraction purpose monitoring principle of device block diagram.
Fig. 5 is intelligent gas conveyer tube method for supervising flow chart.
Wherein: 1, dust monitoring system 11, methane transducer 12, extraction flow monitoring device 13, plastic piping 14, triplate line of the first exploiting field 2, the second exploiting field 3, N exploiting field 4, data transmission bus 5, extraction main pipeline 6, extraction purpose monitoring device 7, spark arrester 8, environmental monitoring installation 9, air-leakage preventing device 10, pipeline.
The specific embodiment
Fig. 1 ~ 5th, most preferred embodiment of the present invention, below in conjunction with accompanying drawing 1 ~ 5, the present invention will be further described:
As shown in Figure 1, in underground mine, be distributed with a plurality of exploiting fields: the first exploiting field 1, the second exploiting field 2 ... N exploiting field 3, the equal correspondence in each exploiting field is provided with a metal triplate line 14, a port of triplate line 14 stretches in exploiting field the branch line as this exploiting field extraction, in another two ports access of triplate line 14 extraction main pipeline 5, a plurality of adjacent triplate lines 14 and some plastic pipings 13 that each triplate line 14 is connected connect to form extraction main pipeline 5.Extraction main pipeline 5 extends to ground, by the drainage device (not shown in FIG.) that is arranged on ground, carries out extraction, under the effect of drainage device, and the interior formation negative pressure of extraction main pipeline 5, the power of formation extraction main pipeline 5 interior Gas Flow.
Between the triplate line 14 in adjacent two exploiting fields, by plastic piping 13, connect, when adjacent two exploiting fields are when distant, between two corresponding triplate lines 14, need to connect the connection that realize extraction main pipeline 5 by many plastic pipings 13 head and the tail.When many plastic pipings of needs 13 are used in combination, between two adjacent plastic pipings 13, by air-leakage preventing device 9, be connected, open in the patent that air-leakage preventing device 9 has been 201020105215.7 by the applicant in the patent No..
Entrance in the lateral in each exploiting field is provided with methane transducer 11, exit (being branch line and extraction main pipeline 5 interfaces) is provided with extraction flow monitoring device 12, in branch line, be provided with the pipeline monitoring system 10 of dusting, dust monitoring system 10, methane transducer 11 and extraction flow monitoring device 12 of pipeline is all connected with data transmission bus 4 simultaneously.Methane transducer 11 is for the concentration of the methane of entrance in this lateral is gathered, and the data that collect are uploaded by data transmission bus 4; Extraction flow-monitoring device 12 is monitored for the concentration of the flow in this lateral and all kinds of gases, and the data that collect are uploaded by data transmission bus 4.The dust signal input part of monitoring system 10 of pipeline is connected with ultraviolet flame sensor, infrared rays flame sensor, temperature pick up and detonation pressure sensor (all not drawing in figure) in being arranged on lateral, in lateral during breaking out of fire, the sensor that pipeline dusts in monitoring system 10 is rapidly by data upload, dust simultaneously, when reporting to the police, fire is controlled.The dust signal output part of monitoring system 10 of pipeline is connected with data transmission bus 4, and the data that each sensor being attached thereto is collected are uploaded by data transmission bus 4.Be provided with some extraction purpose monitoring devices 6 extraction main pipeline 5 is interior simultaneously, extraction purpose monitoring device 6 is with the main distinction of extraction flow monitoring device 12, the sensor setting of extraction flow monitoring device 12 is comparatively fixing, mainly comprise methane transducer, CO sensor, temperature pick up, pressure sensor and flow meter, the number of sensors that extraction purpose monitoring device 6 is controlled is more and unfixing, autgmentability is stronger simultaneously, can or set up different sensors according to the replacing of actual environment.In the tunnel of mine, be provided with some environmental monitoring installations 8, in order to the ambient concentration in the outer tunnel of extraction pipeline is monitored simultaneously.At every interior spark arrester 7 that is provided with of extraction main pipeline 5 simultaneously.
As shown in Figure 2, extraction flow monitoring device 12 comprises: the first communication module, the first memory module, the first display module, first microprocessor, the first infrared remote control module, the first power transfer module and all kinds of acquisition sensor.All kinds of acquisition sensors are connected with first microprocessor, and the signal detecting is delivered to first microprocessor.First microprocessor is connected with the first display module with the first memory module, the sensor signal receiving is stored and shown, the first infrared remote control module is connected with first microprocessor with the first power transfer module, respectively first microprocessor is powered and infrared control; First microprocessor is connected with the first communication module, and the first communication module is connected with data transmission bus 4, and the signal all kinds of acquisition sensors being detected by the first communication module and data transmission bus 4 is uploaded.Above-mentioned all kinds of acquisition sensors comprise: methane transducer, CO sensor, temperature pick up, pressure sensor, flow meter, need to coordinate flow module to use in use traffic timing.
As shown in Figure 3, environmental monitoring installation 8 comprises the second communication module, the second memory module, the second display module, the second microprocessor, the second infrared remote control module, second source modular converter, first sensor control module and environment monitoring sensor.Environment monitoring sensor is connected with first sensor control module, and first sensor control module is connected with the second microprocessor, and the signal receiving is delivered to the second microprocessor.The second microprocessor is connected with the second display module with the second memory module, the sensor signal receiving is stored and shown, the second infrared remote control module is connected with the second microprocessor with second source modular converter, respectively the second microprocessor is powered and infrared control; The second microprocessor is connected with the second communication module, and the second communication module is connected with data transmission bus 4, and the signal all kinds of acquisition sensors being detected by the second communication module and data transmission bus 4 is uploaded.Above-mentioned environment monitoring sensor comprises: methane transducer, CO sensor, temperature pick up, SO
2sensor, H
2s sensor and ammonia gas sensor, environmental monitoring installation 8 is monitored for the concentration of all kinds of gases in tunnel.
As shown in Figure 4, the functional-block diagram of extraction purpose monitoring device 6 is identical with environmental monitoring installation functional-block diagram, comprises the 3rd communication module, the 3rd memory module, the 3rd display module, the 3rd microprocessor, the 3rd infrared remote control module, the 3rd power transfer module, the second sensor control module and monitoring sensor.Monitoring sensor is connected with the second sensor control module, and the second sensor control module is connected with the 3rd microprocessor, and the signal receiving is delivered to the 3rd microprocessor.The 3rd microprocessor is connected with the 3rd display module with the 3rd memory module, the sensor signal receiving is stored and shown, the 3rd infrared remote control module is connected with the 3rd microprocessor with the 3rd power transfer module, respectively the 3rd microprocessor is powered and infrared control; The 3rd microprocessor is connected with the 3rd communication module, and the 3rd communication module is connected with data transmission bus 4, and the signal all kinds of acquisition sensors being detected by the 3rd communication module and data transmission bus 4 is uploaded.The monitoring sensor of extraction purpose monitoring device 6 comprises: methane transducer, CO sensor, temperature pick up, pressure sensor, flow transmitter and some methane optical fiber sensors.The methane optical fiber sensor that extraction purpose monitoring device 6 connects is distributed in extraction main pipeline 5 and extraction main pipeline 5 and lateral junction, methane dynamic data in extraction main pipeline 5 is monitored, and the data analysis of being uploaded by 6 pairs of each Fibre Optical Sensors of extraction purpose monitoring device, realize the intelligence of extraction main pipeline 5, efficiently leak detection.
Intelligent gas conveyer tube method for supervising flow chart as shown in Figure 5, comprises the following steps:
Some methane optical fiber sensors of the junction of the branch line that be arranged in extraction main pipeline 5, junction, extraction main pipeline 5 and each exploiting field of two sections of pipelines is connected carry out Real-time Collection to the concentration of methane;
Each methane optical fiber sensor uploads to the concentration value collecting in connected extraction purpose monitoring device 6;
The real-time concentration value that extraction purpose monitoring device 6 is uploaded according to each methane optical fiber sensor receiving, carries out point-to-point concentration ratio to adjacent 2;
When carrying out point-to-point concentration value comparison, the methane concentration value that 6 pairs of adjacent two methane optical fiber sensors of extraction purpose monitoring device collect is carried out difference comparison successively, and the difference calculating is carried out to record;
Extraction purpose monitoring device 6 compares a plurality of differences that calculate successively with predefined concentration difference threshold value;
Whether step 1005, reach threshold value;
Extraction purpose monitoring device 6 judges whether all differences meet or exceed predefined concentration difference threshold value, if do not reach predefined concentration difference threshold value, return to step 1001, if met or exceeded predefined concentration difference threshold value, can judge 11 the interior gas leakages that occur of corresponding extraction main pipeline 5 of adjacent two methane transducer that occur this difference, perform step 1006;
Find that after pipe leakage, extraction purpose monitoring device 6 is uploaded to related data in ground control computer and reports to the police;
After the staff on ground sees the alarm signal of uploading in underground mine, notice underground activities personnel manually hunt leak, process to the leakage section of extraction main pipeline 5, completes leak stopping.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. intelligent gas conveyer tube monitoring system, comprise that a port stretches in each exploiting field the triplate line (14) as branch line, in the other two ends access extraction main pipelines (5) of triplate line (14), between adjacent two triplate lines (14), by one or more plastic piping (13), connected, extraction main pipeline (5) extends to ground and is connected with the extraction equipment on ground, it is characterized in that: in described branch line, be provided with branch road monitoring device, in described extraction main pipeline (5), be provided with main pipeline drainage device, branch road monitoring device, main pipeline drainage device is connected with data transmission bus (4) simultaneously.
2. intelligent gas conveyer tube monitoring system according to claim 1, it is characterized in that: described main pipeline drainage device comprises the extraction flow monitoring device (12) that is arranged on extraction main pipeline (5) entrance and exit place, be arranged on a plurality of extraction purpose monitoring devices (6) in extraction main pipeline (5).
3. intelligent gas conveyer tube monitoring system according to claim 1, it is characterized in that: described branch road monitoring device comprises the methane transducer (11) that is arranged on each branch line entrance, exploiting field, be arranged on the extraction flow monitoring device (12) in branch line exit, exploiting field and be arranged on pipeline in the branch line monitoring system (10) of dusting.
4. intelligent gas conveyer tube monitoring system according to claim 1, is characterized in that: in the tunnel in each described exploiting field, be provided with environmental monitoring installation (8).
5. according to the intelligent gas conveyer tube monitoring system described in claim 2 or 3, it is characterized in that: described extraction flow monitoring device (12) comprising: the first communication module, the first memory module, the first display module, first microprocessor, the first infrared remote control module, the first power transfer module and a plurality of acquisition sensor, acquisition sensor is connected with first microprocessor, first microprocessor is connected with the first display module with the first memory module, the first infrared remote control module is connected with first microprocessor with the first power transfer module, first microprocessor is connected with the first communication module, the first communication module is connected with data transmission bus (4).
6. intelligent gas conveyer tube monitoring system according to claim 4, it is characterized in that: described environmental monitoring installation (8) comprises the second communication module, the second memory module, the second display module, the second microprocessor, the second infrared remote control module, second source modular converter, first sensor control module and environment monitoring sensor, environment monitoring sensor is connected with first sensor control module, first sensor control module is connected with the second microprocessor, the second microprocessor is connected with the second display module with the second memory module, the second infrared remote control module is connected with the second microprocessor with second source modular converter, the second microprocessor is connected with the second communication module, the second communication module is connected with data transmission bus (4).
7. intelligent gas conveyer tube monitoring system according to claim 6, is characterized in that: described environment monitoring sensor comprises: methane transducer, CO sensor, temperature pick up, SO
2sensor, H
2s sensor and ammonia gas sensor.
8. intelligent gas conveyer tube monitoring system according to claim 2, it is characterized in that: described extraction purpose monitoring device (6) comprising: the 3rd communication module, the 3rd memory module, the 3rd display module, the 3rd microprocessor, the 3rd infrared remote control module, the 3rd power transfer module, the second sensor control module and monitoring sensor, monitoring sensor is connected with the second sensor control module, the second sensor control module is connected with the 3rd microprocessor, the 3rd microprocessor is connected with the 3rd display module with the 3rd memory module, the 3rd infrared remote control module is connected with the 3rd microprocessor with the 3rd power transfer module, the 3rd microprocessor is connected with the 3rd communication module, the 3rd communication module is connected with data transmission bus (4).
9. intelligent gas conveyer tube monitoring system according to claim 8, it is characterized in that: described monitoring sensor comprises methane transducer, CO sensor, temperature pick up, pressure sensor, flow transmitter and some methane optical fiber sensors, methane optical fiber sensor is distributed in extraction main pipeline (5) and extraction main pipeline (5) and lateral junction.
10. intelligent gas conveyer tube method for supervising, is characterized in that: comprise the following steps:
Step 1001, sensor is surveyed;
Be arranged in extraction main pipeline (5), some methane optical fiber sensors of the junction of the junction of two sections of pipelines, branch line that extraction main pipeline (5) is connected with each exploiting field carry out Real-time Collection to the concentration of methane;
Step 1002, output real time data;
Each methane optical fiber sensor uploads to the concentration value collecting in connected extraction purpose monitoring device (6);
Step 1003, point-to-point comparison;
The real-time concentration value that extraction purpose monitoring device (6) is uploaded according to each methane optical fiber sensor of receiving, carries out point-to-point concentration ratio to adjacent 2;
Step 1004, the comparison of concentration difference threshold value;
Extraction purpose monitoring device (6) compares a plurality of differences that calculate successively with predefined concentration difference threshold value;
Whether step 1005, reach threshold value;
Extraction purpose monitoring device (6) judges whether all differences meet or exceed predefined concentration difference threshold value, if do not reach predefined concentration difference threshold value, return to step 1001, if met or exceeded predefined concentration difference threshold value, can judge in adjacent two methane transducers (11) the corresponding extraction main pipelines of institute (5) that occur this difference and occur gas leakage, perform step 1006;
Step 1006, uploads computer;
Find that after pipe leakage, extraction purpose monitoring device (6) is uploaded to related data in ground control computer and reports to the police;
Step 1007, personnel positioning leak detection;
After the staff on ground sees the alarm signal of uploading in underground mine, notice underground activities personnel manually hunt leak, process to the leakage section of extraction main pipeline (5), completes leak stopping.
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| CN108489615A (en) * | 2018-04-09 | 2018-09-04 | 无锡市永安电子科技有限公司 | A kind of composite pipe spark detector and its detection method |
| CN110748916A (en) * | 2019-10-21 | 2020-02-04 | 贵州盘江煤层气开发利用有限责任公司 | Low-concentration gas pulse combustion safety system |
| CN111599246A (en) * | 2020-06-19 | 2020-08-28 | 抚顺抚运安仪救生装备有限公司 | Training system for simulating dangerous chemical pollution |
| CN111599245A (en) * | 2020-06-19 | 2020-08-28 | 抚顺抚运安仪救生装备有限公司 | Training equipment for simulating dangerous chemical leakage |
| CN112817253A (en) * | 2020-12-31 | 2021-05-18 | 重庆占峰科技有限公司 | Gas drainage comprehensive parameter tester |
| CN113309558A (en) * | 2021-06-11 | 2021-08-27 | 北京掌上通网络技术股份有限公司 | Grouping metering monitoring system and monitoring method for mine gas extraction |
| CN114563548A (en) * | 2022-01-19 | 2022-05-31 | 中煤科工集团沈阳研究院有限公司 | Intelligent and refined acquisition system and method for unmanned inspection extracted data |
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| CN114563548A (en) * | 2022-01-19 | 2022-05-31 | 中煤科工集团沈阳研究院有限公司 | Intelligent and refined acquisition system and method for unmanned inspection extracted data |
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| CN103628922B (en) | 2015-04-01 |
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