CN106354179A - Remote monitoring system for fracture anti-reflection of liquid state CO2 injected to coal seam - Google Patents
Remote monitoring system for fracture anti-reflection of liquid state CO2 injected to coal seam Download PDFInfo
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- CN106354179A CN106354179A CN201610841789.2A CN201610841789A CN106354179A CN 106354179 A CN106354179 A CN 106354179A CN 201610841789 A CN201610841789 A CN 201610841789A CN 106354179 A CN106354179 A CN 106354179A
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- reflection
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- pressure break
- control system
- pressure
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a remote monitoring system for fracture anti-reflection of liquid state CO2 injected to coal seam. The system is capable of reducing the difficulty of the operations, such as data collection, monitoring and controlling, of a worker during the fracture anti-reflection construction, and improving the safety and working efficiency of the worker. The system comprises a fracture anti-reflection pump system, an underground remote control system, an online monitoring system and an underground base station. The fracture anti-reflection pump system is installed in the underground construction area. The underground remote control system is installed in an underground power distribution cabinet. The online monitoring system comprises a high definition infrared video camera, a pressure sensor, a temperature sensor and a flow sensor. The online monitoring system is capable of uniformly realizing the ground video monitoring of the underground fracture anti-reflection process, the collection and storage of the corresponding parameters and the display of a parameter curve image. The underground base station comprises a mine interchanger, an alarm, and a communication information processor. The underground base station is capable of analyzing and transmitting the signal during the work of the fracture anti-reflection pump system, and providing the signal support for the underground remote control and online monitoring systems.
Description
Technical field
The present invention relates to a kind of long distance control system is and in particular to be engaged in liquid co for underground coal mine2To pressure during pressure break
Split the tele-control system on anti-reflection pump ground.
Background technology
China's coal-mine mainly adopts pit mining, on the one hand, because subsurface environment is severe etc., factor makes that pressure break is anti-reflection to be applied
There is larger difficulty in the development of work, be engaged in underground fracture construction monitoring and the staff of data acquisition comes and goes distance greatly, make
The staff obtaining the anti-reflection construction of pressure break increases in the difficulty of the aspects such as data acquisition, monitoring and control, thus reducing
Work efficiency.On the other hand, frequently down-hole comes and goes and easily causes fatigue it is possible to make the safety of staff go wrong.
Content of the invention
In order to solve Construction control, data acquisition and monitoring difficulty greatly, inefficiency, the low problem of safety,
The present invention provides one kind to be used for coal seam fluid injection state co2The long distance control system that pressure break is anti-reflection, the system reduces that pressure break is anti-reflection to be applied
Man-hour staff, in the difficulty of the aspects such as data acquisition, monitoring and control, improves safety and the work of staff
Make efficiency.
Technical scheme is as follows:
One kind is used for coal seam fluid injection state co2The long distance control system that pressure break is anti-reflection, this system include the anti-reflection pumping system of pressure break,
Down-hole tele-control system, online monitoring system, also include down-hole base station.Pressure break is anti-reflection, and pumping system is installed on underground construction area
Domain；Down-hole tele-control system is arranged in the power distribution cabinet of down-hole, realize to underground fracture during anti-reflection the startup of device with stop
Control only, and the display to associated arguments such as the pressure in fracturing process, temperature, flows and regulation and control；Online monitoring system
Including high definition video camera, pressure transducer, temperature sensor and flow transducer, high definition video camera is arranged at down-hole
The larger construction area of monitoring range, realizes the monitor in real time of pressure break anti-reflection pump underground working, pressure transducer, temperature sensor
It is arranged in the coal seam group of construction area with flow transducer, online monitoring system integrally realizes underground fracture anti-reflection process ground
Video monitoring and relevant parameter collection, storage and parameter curve image display.Down-hole base station includes mining switch, police
Report device, communications message processor, realize the analysis of signal and transmission during the work of pressure break anti-reflection pumping system, be down-hole remotely control and
Online monitoring system provides signal to support.
Pressure transducer, temperature sensor and flow transducer are to pressure during pressure break is anti-reflection for the coal seam, temperature, note
Liquid co2The situation of change of flow is transmitted as electronic signals to down-hole base station, is converted into accordingly by mining switch
Transmit to down-hole tele-control system and online monitoring system after the signal of telecommunication and network signal.
Pressure break is anti-reflection pumping system, down-hole tele-control system, online monitoring system and down-hole base station are by down-hole industry ring
Net is connected.
Pressure break is anti-reflection, and pumping system includes the anti-reflection pump of pressure break and motor.
Down-hole tele-control system includes controlling switch, temperature controller, pressure controller and volume control device.
Online monitoring system include Data acquisition and storage interface, video on-line monitoring interface, multiple parameter variables image show
Show interface, wireless routing and remote server.Online monitoring system passes through optical fiber, rs485 bus or Ethernet and realizes and pressure
Split the pipeline of construction area and equipment pressure gauge, effusion meter, thermocouple, pressure transmitter etc. are connected, realize different resolution
Online data collection with storage, Monitoring Data can be connected with ground control centre simultaneously, realize on-line monitoring.
Pressure break is anti-reflection pumping system and down-hole tele-control system are connected with down-hole base station cable end, online using mining cable
It is connected using mine optical fiber between monitoring system and down-hole base station.
Between pressure break is anti-reflection pumping system, down-hole tele-control system, online monitoring system using down-hole base station as hinge even
Connect, the signal of telecommunication that down-hole exports is converted into by corresponding network signal by the mining switch in the base station of down-hole, by believing
Breath processor is transferred to online monitoring system, and data acquisition, storage and the image of realizing ground show；By mining switch by well
The lower signal of telecommunication exporting is diverted to electric signal transmission after communications message processor to down-hole tele-control system, realizes underground pressure
Split the remotely control of work；The network signal changed by mining switch after communications message processor, with mine optical fiber signal
Carrier transmission, to ground monitoring monitoring system, realizes ground visual remote monitoring；Pressure break is anti-reflection pumping system, down-hole remotely control
System, online monitoring system are connected by down-hole industry looped network with down-hole base station, collectively form coal seam liquid co2Pressure break is anti-reflection
Long distance control system.Down-hole tele-control system passes through signal transmission system or down-hole industry looped network to hundreds of to several kms
Pressure break is anti-reflection, and pump carries out remote signal transmission, realizes the artificial control of detail design parameter, the transmission by signal for the three digest journals,
Realize the monitoring of underground work and down-hole remotely control faced by ground.
The invention has the beneficial effects as follows: realize ground handling room to the long-range monitoring of the anti-reflection work of underground fracture and well
Lower distant control, decreases and also greatly reduces the time that staff down-hole comes and goes while workload, decrease pressure break
Anti-reflection construction when staff the aspects such as data acquisition, monitoring and control difficulty, thus improving construction whole efficiency
Safety with workmen.
Brief description
Fig. 1 is embodiment of the present invention long distance control system schematic diagram；
Fig. 2 is embodiment of the present invention pressure break anti-reflection pumping system partial schematic diagram；
Fig. 3 is embodiment of the present invention down-hole tele-control system partial schematic diagram；
Fig. 4 is embodiment of the present invention online monitoring system partial schematic diagram.
Reference: 1- pressure break is anti-reflection pumping system, 2- down-hole tele-control system, 3- online monitoring system, the increasing of 4- pressure break
Pump thoroughly, 5- mineral explosion-proof motor, 6- Mine-used I. S high definition video camera, 7- down-hole base station, 8- is mining switch, 9- alarm
Device, 10- communications message processor, 11- wireless routing, 12- remote server, 13- Data acquisition and storage interface, 14- video
On-line monitoring interface, 15- multiple parameter variables image display interfaces, 16- controlling switch, 17- temperature controller, 18- Stress control
Device, 19- volume control device, 20- pressure transducer, 21- temperature sensor, 22- flow transducer, 23- is mining cable, 24-
Mine optical fiber
Specific embodiment
Below in conjunction with the accompanying drawings technical scheme is described in more detail:
As shown in figure 1, a kind of be used for coal seam fluid injection state co2The long distance control system that pressure break is anti-reflection, including the anti-reflection pump of pressure break
System 1, down-hole tele-control system 2 and online monitoring system 3, also include down-hole base station 7.
Pressure break is anti-reflection, and pumping system 1 includes the anti-reflection pump of pressure break 4 and mineral explosion-proof motor 5.As shown in Fig. 2 the anti-reflection pump of pressure break 4 is pacified
It is contained in the anti-explosion cabinet of mining face under mine more flattened region, pressure break is anti-reflection, and pump 4 preferably adopts mining low-temperature, high-pressure delivery pressure
Split anti-reflection pump, quantity be two, wherein one give over to standby, by gas-liquid separator convey liquid co2, wherein liquid co2Delivery pipe
The import and export on road are provided with mine safety valve and drain valve pump 4 anti-reflection with pressure break and are connected；Pressure break is anti-reflection, and pump motor selects colliery special
Explosion-proof three-phase asynchronous motor, has explosion-proof, explosion insulation performance；Mineral explosion-proof motor 5 adds explosion-proof type electromechanics shell it is ensured that pressure break
The safety work of anti-reflection pump 4.
Further, the anti-reflection pump of pressure break 4 operating temperature range is -50 DEG C+60 DEG C, the operating temperature of pressure break is anti-reflection pump 4
Shown by digital temperature sensor；Pressure limit is 0mpa-100.0mpa, and fracturing pump pressure limit is adjustable, and discharge capacity is 1.0-
2.5m3/min.
As shown in figure 3, down-hole tele-control system 2 includes controlling switch 16, temperature controller 17, pressure controller 18 and
Volume control device 19.Down-hole tele-control system 2 is arranged on position to several kms hundreds of away from work surface, and is fixedly mounted on
In the Special distribution cabinet of down-hole, realize the precise control of the start and stop of the fracturing pump during anti-reflection to pressure break, and to pressure
The display of the associated arguments such as the pressure during splitting, temperature, flow and remote control and regulation.Controlling switch 16, temperature controller 17, pressure
On corresponding panel in force controller 18 and volume control device 19 fixed installation control system.
Further, controlling switch 16 passes through the connection of mining cable module end, controls pressure break anti-reflection pump system using the signal of telecommunication
The work of system 1；The controlling switch 16 ore dressing disconnected device in series high voltage vacuum road, has open and close two button and this road disconnecting switch machine box
Three passages of upper setting, signal transmission cable end device disconnected with high pressure vacuum road is connected using modular form.
Further, temperature controller 17 selects conventional electrical formula digital temperature sensor device, temperature indication range
For -50 DEG C～+60 DEG C, display precision ± 0.1 DEG C, temperature controller 17 be the dual pathways (i.e. downhole temperature signal input channel and
Ground signal output channel), the display mode of temperature signal is three led numeral method.
Further, pressure controller 18 selects high accuracy number pressure transducer, and controller setting value is adjustable, 0～
100mpa range section is arbitrarily optional.Pressure controller 18 shell setting special pressure input module (programmable chip), lays
Micro Controller Unit (MCU) driving led digital display module in order to show the numerical pressure value of job site, and then according to vision-control to reality
Border desirable pressure value；Pressure controller 18 is the dual pathways, the respectively anti-reflection pumping system of pressure break 1 actual pressure signal input passage
And pressure controller 18 adjusts signal output end passage.
Further, volume control device 19 selects mining series eddy currents flowmeter, with special flow sensor one
Connect regulation and the display realizing flow.Volume control device 19 liquid co according to needed for the anti-reflection pumping system of underground fracture 12Flow
Value, carries out the setting of flow value by mining series eddy currents flowmeter, and can be by special flow sensor display stream
Amount size.
As shown in figure 4, online monitoring system 3 includes Mine-used I. S high definition video camera 6, pressure transducer 20, temperature
Degree sensor 21 and flow transducer 22, Mine-used I. S high definition video camera 6 is arranged at the larger pressure of downhole monitoring scope
Split construction area, anti-reflection for pressure break pumping system 1 can be carried out real time record, video display pressure at the various situations in underground work
Split the operation of anti-reflection pump 4 and the situation of anti-reflection working face of coal seam, realize the monitor in real time of the anti-reflection pump of pressure break 4 underground working.Pressure passes
The signal output port of sensor 20, temperature sensor 21 and flow transducer 22 is by hundreds of to the mining cable of several kms 23 and well
Lower base station 7 connects, to pressure during pressure break is anti-reflection for the coal seam, temperature, fluid injection state co2The situation of change of flow is with the signal of telecommunication
Form transmit to down-hole base station 7, transmit to down-hole after mining switch 8 is converted into the corresponding signal of telecommunication and network signal
Tele-control system 2 and online monitoring system 3.
Online monitoring system 3 also includes Data acquisition and storage interface 13, video on-line monitoring interface 14, multiple parameter variables
Image display interfaces 15, wireless routing 11 and remote server 12.Online monitoring system is arranged on ground handling room, and its function exists
In the relevant parameter automatic data collection that underground fracture can be transmitted during anti-reflection, storage, and pressure, temperature etc. can be joined
Number situation of change over time characterizes in the form of images, integrally realizes the video prison on underground fracture anti-reflection process ground
The display of the collection, storage and parameter curve image of control and relevant parameter.Online monitoring system 3 pass through optical fiber, rs485 bus or
Person's Ethernet is realized being connected with the pipeline in pressing crack construction region and equipment pressure gauge, effusion meter, thermocouple, pressure transmitter etc.
Connect, realize online data collection and the storage of different resolution, Monitoring Data can be connected with ground control centre simultaneously, realize
On-line monitoring.
Further, universal data collection and storage software are installed using in computer in Data acquisition and storage interface 13,
The relevant parameters such as the pressure in anti-reflection for pressure break pumping system 1 fracturing process, temperature are inputted to down-hole base station 7, passes through by conversion
Mine optical fiber 24 inputs remote server 12, transmits to Data acquisition and storage software, realize number after processing through server info
According to collection and preservation.
Further, video on-line monitoring interface 14 is mainly passed through to install ore deposit in the larger region of downhole video monitoring range
With intrinsic safety type high definition video camera 6, the state of fracturing pump and the working condition in the anti-reflection region of underground fracture are supervised in real time
Control, ground video on-line monitoring part installs the software for video display supporting with Mine-used I. S high definition video camera 6, in real time
The display working condition of the anti-reflection pumping system of underground fracture 1 and the operating mode in the anti-reflection region of underground fracture.
Further, multiple parameter variables image display interfaces 15 mainly install multi-parameters sampling software in a computer,
In order to record pressure, temperature, Variations in Flow Changes and to directly display pressure versus time, Temperature-time, flow-time curve and incite somebody to action
Respective image automatically saves, and is that subsequent data analysis carry out place mat, and alarm display separating surface is set up at this interface separately, mainly to pressure break
Pump region, pressure injection liquid co2The working condition of construction area is monitored, so that the surface warning of downhole monitoring shows.
Down-hole base station 7 includes mining switch 8, siren 9 and communications message processor 10.Down-hole is realized in down-hole base station 7
The analysis of signal and transmission during pump 4 work that pressure break is anti-reflection, are down-hole remotely control and online monitoring system 3 provides signal to prop up
Hold.
Further, siren 9 major function can send alarm signal when breaking down for the anti-reflection pumping system of pressure break 1 in time
Number；During underground fracture is anti-reflection, the parameter such as pressure, temperature, flow can send alarm when being less than setting value or transfiniting in time
Signal, so that down-hole tele-control system 2 is processed.
Using down-hole base station 7 as pivot between pressure break is anti-reflection pumping system 1, down-hole tele-control system 2, online monitoring system 3
Knob connects, and by the mining switch 8 in down-hole base station 7, the signal of telecommunication that down-hole exports is converted into corresponding network signal and passes through to lead to
Letter information processor is transferred to online monitoring system 3, and data acquisition, storage and the image of realizing ground show；By mining exchange
The signal of telecommunication that down-hole exports is diverted to electric signal transmission after communications message processor to down-hole tele-control system 2 machine 8, real
The remotely control of existing underground fracture work；The network signal changed by mining switch 8 after communications message processor, with mining
Optical fiber 24 signal vehicle is transmitted to ground monitoring monitoring system, realizes ground visual remote monitoring；Pressure break is anti-reflection pumping system 1,
Down-hole tele-control system 2, online monitoring system 3 are connected by down-hole industry looped network with down-hole base station 7, collectively form coal seam liquid
State co2The long distance control system that pressure break is anti-reflection.Down-hole tele-control system 2 passes through signal transmission system or down-hole industry looped network
To hundreds of pressure break to several kms, anti-reflection pump 4 carries out remote signal transmission, realizes the artificial control of detail design parameter, three are greatly
The transmission by signal for the system, realizes the monitoring of underground work and down-hole remotely control faced by ground.
System is carrying out liquid co2During work that pressure break is anti-reflection, special messenger should be equipped with first remote to downhole system, down-hole
Process control system 2 and online monitoring system 3 carry out checking whether it is in normal operating conditions, on inspection total system all in
Underground fracture anti-reflection work can be carried out during normal condition.Specifically, first by the disconnected device in vacuum road in down-hole tele-control system 2
To pressure break, anti-reflection pumping system 1 sends after work order switch, starts the anti-reflection pumping system of pressure break 1 and starts working；Carry out liquid co2Pressure
When splitting anti-reflection work, pressure break is anti-reflection, and basic parameter in fracturing process can be passed through mining cable by the laid sensor special of pump 4
Line 23 transmits as electronic signals to down-hole base station 7, the more mining switch 8 in down-hole base station 7 carries out turning of signal
Transmitted in the form of the signal of telecommunication and network signal respectively after changing to down-hole tele-control system 2 and online monitoring system 3, work as down-hole
After tele-control system 2 and online monitoring system 3 receive data signal, by down-hole tele-control system 2 displaying data in real-time,
It is easy to the grasp of underground construction anti-reflection region basic parameter；By online monitoring system 3, described multiparameter is automatically saved, and
Data after collection is shown in the form of images according to parameter change, thus the operating mode during anti-reflection for follow-up pressure break
Analysis provides foundation.
Underground fracture is anti-reflection pumping system 1 and down-hole tele-control system 2 adopt mining cable 23 and down-hole base station 7 cable end
Connect；It is connected using mine optical fiber 24 between online monitoring system 3 and down-hole base station 7；Mining cable 23 and optical fiber are realized jointly
Signal transmission between down-hole and ground, is the anti-reflection remotely control of underground fracture and ground monitoring provides safeguard.
Claims (5)
1. one kind is used for coal seam fluid injection state co2Long distance control system that pressure break is anti-reflection it is characterised in that: include pressure break anti-reflection pump system
System, down-hole tele-control system, online monitoring system, also include down-hole base station；Pressure break is anti-reflection, and pumping system is installed on down-hole applies
Work area domain；Down-hole tele-control system is arranged in the power distribution cabinet of down-hole, realizes the startup to underground fracture device during anti-reflection
With the control stopping, and to the pressure in fracturing process, temperature, the display of flow and regulation and control；Online monitoring system includes height
Clear infrared video camera, pressure transducer, temperature sensor and flow transducer, high definition video camera is arranged at downhole monitoring model
Enclose larger construction area, pressure transducer, temperature sensor and flow transducer are arranged in the coal seam group of construction area,
Line monitoring system integrally realizes the video monitoring on underground fracture anti-reflection process ground and the collection of relevant parameter, storage and parameter are bent
The display of line image；Down-hole base station includes mining switch, siren, communications message processor, realizes the anti-reflection pumping system of pressure break
The analysis of signal and transmission during work, are down-hole remotely control and online monitoring system provides signal to support；
Pressure break is anti-reflection pumping system, down-hole tele-control system, online monitoring system and down-hole base station are by down-hole industry looped network phase
Even.
2. according to claim 1 for coal seam fluid injection state co2Long distance control system that pressure break is anti-reflection it is characterised in that: pressure
Split anti-reflection pumping system and include the anti-reflection pump of pressure break and motor.
3. according to claim 1 for coal seam fluid injection state co2Long distance control system that pressure break is anti-reflection it is characterised in that: well
Lower tele-control system includes controlling switch, temperature controller, pressure controller and volume control device.
4. according to claim 1 for coal seam fluid injection state co2Long distance control system that pressure break is anti-reflection it is characterised in that:
Line monitoring system also includes Data acquisition and storage interface, video on-line monitoring interface, multiple parameter variables image display interfaces, no
Circuit by and remote server.
5. according to Claims 1-4 arbitrary described for coal seam fluid injection state co2The long distance control system that pressure break is anti-reflection, its feature
It is: pressure break is anti-reflection pumping system and down-hole tele-control system are connected with down-hole base station cable end using mining cable, online supervise
It is connected using mine optical fiber between control system and down-hole base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841789.2A CN106354179A (en) | 2016-09-22 | 2016-09-22 | Remote monitoring system for fracture anti-reflection of liquid state CO2 injected to coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841789.2A CN106354179A (en) | 2016-09-22 | 2016-09-22 | Remote monitoring system for fracture anti-reflection of liquid state CO2 injected to coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106354179A true CN106354179A (en) | 2017-01-25 |
Family
ID=57858228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610841789.2A Pending CN106354179A (en) | 2016-09-22 | 2016-09-22 | Remote monitoring system for fracture anti-reflection of liquid state CO2 injected to coal seam |
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| CN109900335A (en) * | 2019-04-08 | 2019-06-18 | 陕西延长石油(集团)有限责任公司研究院 | A kind of pressure break scene CO2Flow monitoring device and its application method |
| CN111937379A (en) * | 2018-02-28 | 2020-11-13 | 斯伦贝谢技术有限公司 | CCTV system |
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Inventor after: Yi Xin Inventor after: Wei Gaoming Inventor after: Li Zhenbao Inventor after: Wen Hu Inventor after: Ma Li Inventor after: Wang Weifeng Inventor after: Zhang Yanni Inventor after: Wang Xu Inventor after: Lei Changkui Inventor before: Wen Hu Inventor before: Li Zhenbao Inventor before: Yi Xin Inventor before: Wang Weifeng Inventor before: Wei Gaoming Inventor before: Zhang Yanni Inventor before: Wang Xu Inventor before: Ma Li Inventor before: Lei Changkui |
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Application publication date: 20170125 |
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| RJ01 | Rejection of invention patent application after publication |