CN108590628A - A kind of device and method of monitoring coal body drilling transformation-temperature-gas flow - Google Patents
A kind of device and method of monitoring coal body drilling transformation-temperature-gas flow Download PDFInfo
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- CN108590628A CN108590628A CN201810691284.1A CN201810691284A CN108590628A CN 108590628 A CN108590628 A CN 108590628A CN 201810691284 A CN201810691284 A CN 201810691284A CN 108590628 A CN108590628 A CN 108590628A
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- 239000003245 coal Substances 0.000 title claims abstract description 58
- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 238000005065 mining Methods 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 8
- 238000007569 slipcasting Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000012806 monitoring device Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 230000036760 body temperature Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of device and methods of monitoring coal body drilling deformation temperature gas flow, which includes drilling hole stress sensor, temperature sensor, hoop strain instrument, device bearing structure, gas in mine flow sensor, fluid filling hole sealing device, circumferential deformation incude air bag, Grouting Pipe, Gas Flow pipeline, air bag forcing pipe, device chassis, mining hole packer, temperature stress flow multi-function Acquisition Instrument, air bag force (forcing) pump；The various kinds of sensors is connected by conducting wire with acquisition Instrumen, and each Parameters variation is measured；Described device carries framework, and the structures such as induction air bag need to assemble pusher into prefabricated drilling in outside；After the completion of waiting for slip casting, test each normal operation of sensor it is errorless after, sealing of hole is carried out using the special hole packer of coal mine；Coal body temperature, stress, deformation and methane control under the influence of mining induced stress can be obtained in the present invention, to instruct safety of coal mines high-efficiency mining to provide technical support.
Description
Technical field
The present invention relates to a kind of coal mine in-situ monitoring technology fields, more particularly to a kind of monitoring coal body drilling deformation-temperature
The device and method of degree-gas flow.
Background technology
Deep coal mining has become normality, and deep " three high " environment and the condition of strong disturbance and strong timeliness make mine
Mountain disaster takes place frequently, therefore deep coal and gas power phenomenon theory and technology becomes one great research hotspot of energy industry.Accurately obtain
The field datas such as coal deformation, gas pressure, gas flow and coal seam internal temperature are taken, can not only reflect process of coal mining
The rule of middle Gas Flow and coal deformation, and important practice can be provided to establish coal and gas power phenomenon theory and technology
Foundation and theoretical foundation.At present research gas in coal body flowing law mainly with multi-field coupling theory model analysis and laboratory
Based on experiment, due to existing across scale problem, notional result, experimental data and the quantitative rule of acquisition, it is difficult to extend to scene
Commercial Application.And colliery scene mainly monitors the gas pumping amount of all drillings in entire coal seam by hole pumping and mining gas, this
A little data are unfavorable for the foundation of gas porous flow theory.And the research of coal mine gas flowing law is mostly with extraction borehole monitoring
It is main, and it is fewer and fewer for stress caused by adopting, deformation and the monitoring of coal seam temperature, on the one hand it is the limit of field monitoring condition
System, is on the other hand the missing of effective monitoring device.Coal seam coal gas dynamics problem is placed in more couplings by research more at present
It closes under background, and proposes more theoretical model, but in-situ monitoring method under the conditions of multi- scenarios method and technology rarely have and dabble,
However the research of coal deformation, temperature and gas flow changing rule is the theoretical indispensable part of coal and gas power phenomenon,
Therefore coal body drilling transformation-temperature-gas flow monitoring in situ is particularly important, while to promoting safety of coal mines high-efficiency mining
With important practice significance.
Invention content
For coal body drilling transformation-temperature-gas flow under monitoring mining influence, the present invention devises a kind of monitoring coal body brill
The device and method of bore deformation-temperature-gas flow carries out coal deformation, temperature and Gas Flow by the invention real
When monitor.
To achieve the above object, the technical solution adopted in the present invention is：A kind of monitoring coal body drilling transformation-temperature-watt
The device of this flow, including drilling hole stress sensor, temperature sensor, hoop strain instrument, device bearing structure, gas in mine stream
Quantity sensor, fluid filling hole sealing device, circumferential deformation induction air bag, Grouting Pipe, Gas Flow pipeline, air bag forcing pipe, device chassis,
Mining hole packer, Temperature-Stress-flow multi-function Acquisition Instrument, air bag force (forcing) pump.
The drilling hole stress sensor, temperature sensor, hoop strain instrument, gas in mine flow sensor are mining special
Industry sensor, external temperature-stress-flow multi-function Acquisition Instrument is connected with conducting wire, acquire respectively bore inner stress, temperature,
Circumferential deformation and gas flow data.
Described device bearing structure includes pvc pipe, hoop strain instrument card slot；Pvc pipe 40~50mm of outer diameter, internal diameter be 30~
40mm has the card slot for placing hoop strain instrument, card slot size and hoop strain instrument axial dimension in left part per 3~5m of root long
Corresponding, size is slightly larger than hoop strain instrument size to card slot radially, and hoop strain instrument is enable to be caught in card slot.Pvc pipe is right
End is connect with device chassis, and the radial dimension on chassis is more than pvc pipe outer diameter, close to bore diameter.Wherein, card slot connects with pvc pipe
The quantitative aperture of punishment cloth is connect, so as to the acquisition of gas flow.
The fluid filling hole sealing device and Grouting Pipe are the indispensable tool being fixed on stress and temperature sensor in drilling, slip casting
Pipe is in charge of by the four of every 2m long to be connected to form, internal diameter 11.5mm, outer diameter 12.7mm.Fluid filling hole sealing device is mining profession
Injection hole sealing plug, size are equal with bore diameter.
The Gas Flow pipeline is in charge of by the four of every 2m long to be connected to form, internal diameter 11.5mm, and outer diameter is
12.7mm, wherein four are in charge of a certain number of round holes are distributed with, a diameter of 2mm of round hole.
The circumferential deformation induction air bag is cylinder, and length is 80~120mm, and maximum swelling outer diameter is not more than 60mm,
Inside is inflated expansion by air bag forcing pipe and force (forcing) pump.The intensity of air bag is less than the intensity of pvc pipe, and has centainly
Suppleness disclosure satisfy that gas drilling generates smaller tortuous change on moving towards direction.
The mining hole packer is a cylindrical software, is made of three parts, and front and back is rubber pad, and centre is inflatable
Property slurries.
The Temperature-Stress-flow multi-function Acquisition Instrument has 4 channels, and has USB interface.It can acquire simultaneously
The data of the data of 4 sensors such as stress, circumferential deformation, temperature, gas flow, acquisition can be carried out by USB data interface
Real-time storage data.
Based on a kind of device and method of monitoring coal body drilling transformation-temperature-gas flow, include the following steps：
A, it is drilled through in the coal body of working face side in tunnel and meets the drilling of experiment condition, ensure that drilling is free of Free water
And straight not collapse hole.
B, temperature sensor, strain gauge is cementing with fluid filling hole sealing device respectively, conducting wire and multi-functional Acquisition Instrument is used in combination
Corresponding USB interface is connected.
C, hoop strain instrument and circumferential deformation induction air bag are mounted in the left end card slot of device bearing structure, air bag is logical
It is overpressurized pipe with air bag force (forcing) pump to be connected, starts force (forcing) pump, inject gas into air bag, test the airtight of air bag and forcing pipe
Property.
D, Gas Flow pipeline is fixed on device chassis, and gas in mine flow sensor is installed on Gas Flow pipe
In road, it is connected by conducting wire USB interface corresponding with multi-functional Acquisition Instrument.
It e, will be with the device of the fluid filling hole sealing device of cementing sensor and first two steps installation section sensor and pipeline
Bearing structure is assembled, and forms monitoring device agent structure, and install Grouting Pipe in structure reserved space.
F, monitoring device agent structure is put into drilling, and installation on the right side of device chassis is identical with bearing structure size
Pvc pipe, in order to by device advancement holes, be sequentially connected every pvc pipe using quick coupling, until reaching foot of hole.
G, after reaching bottom with the fluid filling hole sealing device of borehole temperature sensor and strain gauge, start to be noted with coal mine
It starches equipment and cement mortar is injected by PVC Grouting Pipes, slip casting degree should ensure that gapless between sensor and coal body, filling are close.
H, after the completion of waiting for slip casting, test each normal operation of sensor it is errorless after, sealed using the special hole packer of coal mine
Hole.
I, according to the Parameters variation situation of collection in worksite, data are analyzed, and then the stress in being drilled, temperature
Degree, deformation.
Advantages of the present invention is with effect：
Drilling of the present invention is drilled using coal mine drill rod special, can not only maximumlly realize the effective of experiment
Property and accuracy, and drill and be very beneficial for the installation of experimental facilities, drilled feature is conducive to the development of experiment, it can be achieved that a hole
It is multi-purpose.
The monitoring device of the present invention is simple in structure, easy to operate, can be carried out at the same time multigroup experiment, and can really reflect existing
Field working face coal gas flowing law can accurately acquire mining induced stress, drilling deformation, the variation of coal temperature and Gas Flow
Situation can provide accurate experimental data for Safety of Coal Mine Production.Its is compact-sized, and cost is relatively low, and data are accurate, makes
It is wide with range, there is wide applicability.
The monitoring device of present invention coal production of combining closely has feature by oneself, using the own equipment of coal mine, carries out certain
The combination and configuration of degree also can guarantee the safety in production of coal mine while taking into account coal production requirement.
Description of the drawings
Fig. 1 is the general construction schematic diagram of monitoring device of the present invention.
In figure：1, drilling hole stress sensor, 2, temperature sensor, 3, hoop strain instrument, 4, device bearing structure, 5, mining
Gas flow sensor, 6, fluid filling hole sealing device, 7, circumferential deformation incude air bag, 8, Grouting Pipe, 9, Gas Flow pipeline, 10, gas
Capsule forcing pipe, 11, device chassis, 12, mining hole packer, 13, Temperature-Stress-flow multi-function Acquisition Instrument, 14, air bag pressurization
Pump.
Specific implementation mode
Shown example elaborates to the present invention below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of device of monitoring coal body drilling transformation-temperature-gas flow, is mainly sensed by drilling hole stress
Device 1, temperature sensor 2, hoop strain instrument 3, device bearing structure 4, gas in mine flow sensor 5, fluid filling hole sealing device 6, ring
To deformation-sensing air bag 7, Grouting Pipe 8, Gas Flow pipeline 9, air bag forcing pipe 10, device chassis 11, mining hole packer 12, temperature
Degree-stress-flow multi-function Acquisition Instrument 13, air bag force (forcing) pump 14 form.
The drilling hole stress sensor 1, temperature sensor 2, hoop strain instrument 3, gas in mine flow sensor 5 are mining
Professional sensor connects external temperature-stress-flow multi-function Acquisition Instrument 13 with conducting wire, acquires bore inner stress, temperature respectively
Degree, circumferential deformation and gas flow data.
Described device bearing structure 4 includes pvc pipe, hoop strain instrument card slot；Pvc pipe 40~50mm of outer diameter, internal diameter 30
~40mm has the card slot for placing hoop strain instrument 3, card slot size axial with hoop strain instrument 3 per 3~5m of root long in left part
Size is corresponding, and size is slightly larger than 3 size of hoop strain instrument to card slot radially, and hoop strain instrument 3 is enable to be caught in card slot.
Pvc pipe right end is connect with device chassis 11, and the radial dimension on chassis is more than pvc pipe outer diameter, close to bore diameter.Wherein, card slot
It is distributed quantitative aperture with pvc pipe junction, so as to the acquisition of gas flow.
The fluid filling hole sealing device 6 and Grouting Pipe 8 are the indispensable tool being fixed on stress and temperature sensor 2 in drilling,
Grouting Pipe is in charge of by the four of every 2m long to be connected to form, internal diameter 11.5mm, outer diameter 12.7mm.Fluid filling hole sealing device 6 is mine
With professional injection hole sealing plug, size is equal with bore diameter.
The Gas Flow pipeline 9 is in charge of by the four of every 2m long to be connected to form, internal diameter 11.5mm, and outer diameter is
12.7mm, wherein four are in charge of a certain number of round holes are distributed with, a diameter of 2mm of round hole.
The circumferential deformation induction air bag 7 is cylinder, and length is 80~120mm, and maximum swelling outer diameter is not more than 60mm,
Inside is inflated expansion by air bag forcing pipe 10 and force (forcing) pump 14.The intensity of air bag is less than the intensity of pvc pipe, and has one
Fixed suppleness disclosure satisfy that gas drilling generates smaller tortuous change on moving towards direction.
The mining hole packer 12 is a cylindrical software, is made of three parts, and front and back is rubber pad, and centre is can be swollen
Swollen property slurries.
The Temperature-Stress-flow multi-function Acquisition Instrument 13 has 4 channels, and has USB interface.It can be simultaneously
The data of 4 sensors such as stress, circumferential deformation, temperature, gas flow are acquired, the data of acquisition can pass through USB data interface
Carry out real-time storage data.
Based on a kind of device and method of monitoring coal body drilling transformation-temperature-gas flow, include the following steps：
A, it is drilled through in the coal body of working face side in tunnel and meets the drilling of experiment condition, ensure that drilling is free of Free water
And straight not collapse hole.
B, temperature sensor 2, strain gauge 1 is cementing with fluid filling hole sealing device 6 respectively, conducting wire and multi-functional acquisition is used in combination
13 corresponding USB interface of instrument is connected.
C, hoop strain instrument 3 and circumferential deformation induction air bag 7 are mounted in the left end card slot of device bearing structure 4, gas
Capsule is connected by forcing pipe 10 with air bag force (forcing) pump 14, is started force (forcing) pump 14, is injected gas into air bag 7, test air bag 7 with
The air-tightness of forcing pipe 10.
D, Gas Flow pipeline 9 is fixed on device chassis 11, and gas in mine flow sensor 5 is installed on Gas-Flow
In dynamic pipeline 9, it is connected by conducting wire USB interface corresponding with multi-functional Acquisition Instrument 13.
E, by the device of fluid filling hole sealing device 6 and the first two steps with cementing sensor installation section sensor and pipeline
Bearing structure 4 is assembled, and forms monitoring device agent structure, and Grouting Pipe 8 is installed in structure reserved space.
F, monitoring device agent structure is put into drilling, and will the 11 right side installation of device chassis and 4 size phase of bearing structure
Same pvc pipe, in order to by device advancement holes, be sequentially connected every pvc pipe using quick coupling, until reaching drilling bottom
Portion.
G, after reaching bottom with the fluid filling hole sealing device 6 of borehole temperature sensor 2 and strain gauge 1, start to use coal
Mine grouting equipment injects cement mortar by PVC Grouting Pipes, and slip casting degree should ensure that gapless between sensor and coal body, filling are tight
It is close.
H, after the completion of waiting for slip casting, test each normal operation of sensor it is errorless after, carried out using the special hole packer 12 of coal mine
Sealing of hole.
I, according to the Parameters variation situation of collection in worksite, data are analyzed, and then the stress in being drilled, temperature
Degree, deformation.
Claims (8)
1. a kind of device of monitoring coal body drilling transformation-temperature-gas flow, it is characterised in that：Including drilling hole stress sensor
1, temperature sensor 2, hoop strain instrument 3, device bearing structure 4, gas in mine flow sensor 5, fluid filling hole sealing device 6, circumferential direction
Deformation-sensing air bag 7, Grouting Pipe 8, Gas Flow pipeline 9, air bag forcing pipe 10, device chassis 11, mining hole packer 12, temperature
Degree-stress-flow multi-function Acquisition Instrument 13, air bag force (forcing) pump 14, tunnel highwall is punched in front of working face, outer successively in drilling
Assemble drilling hole stress sensor 1, temperature sensor 2, fluid filling hole sealing device 6, hoop strain instrument 3, device bearing structure 4, circumferential direction change
Shape induction air bag 7, air bag forcing pipe 10, Gas Flow pipeline 9, device chassis 11, Grouting Pipe 8 wait for that agent set is completed
Pusher is into drilling, and injection hole sealing, and Temperature-Stress-flow multi-function Acquisition Instrument 13, air bag force (forcing) pump 14 are equipped with outside hole.
2. a kind of device of monitoring coal body drilling transformation-temperature-gas flow according to claim 1, it is characterised in that：
Device bearing structure 4 includes pvc pipe, hoop strain instrument card slot；Pvc pipe 40~50mm of outer diameter, internal diameter is 30~40mm, per root long
3~5m has the card slot for placing hoop strain instrument 3 in left part, and card slot size is corresponding with 3 axial dimension of hoop strain instrument, card
The diametrical size of slot is slightly larger than 3 size of hoop strain instrument, and hoop strain instrument 3 is enable to be caught in card slot, and card slot connects with pvc pipe
Connect the quantitative aperture of punishment cloth.
3. a kind of device of monitoring coal body drilling transformation-temperature-gas flow according to claim 1, it is characterised in that：
Grouting Pipe 8 is in charge of by the four of every 2m long to be connected to form, internal diameter 11.5mm, outer diameter 12.7mm, and fluid filling hole sealing device 6 is mine
With professional injection hole sealing plug, size is equal with bore diameter.
4. a kind of device of monitoring coal body drilling transformation-temperature-gas flow according to claim 1, it is characterised in that：
Gas Flow pipeline 9 is in charge of by the four of every 2m long to be connected to form, internal diameter 11.5mm, outer diameter 12.7mm, wherein four points
A certain number of round holes, a diameter of 2mm of round hole is distributed in pipe.
5. a kind of device of monitoring coal body drilling transformation-temperature-gas flow according to claim 1, it is characterised in that：
It is cylinder that circumferential deformation, which incudes air bag 7, and length is 80~120mm, and maximum swelling outer diameter is not more than 60mm, and inside passes through air bag
Forcing pipe 10 and force (forcing) pump 14 are inflated expansion, and the intensity of air bag is less than the intensity of pvc pipe, and has certain suppleness,
It disclosure satisfy that gas drilling smaller tortuous change on moving towards direction.
6. a kind of device of monitoring coal body drilling transformation-temperature-gas flow according to claim 1, it is characterised in that：
Mining hole packer 12 is a cylindrical software, is made of three parts, and front and back is rubber pad, and centre is expansiveness slurries.
7. a kind of device of monitoring coal body drilling transformation-temperature-gas flow according to claim 1, it is characterised in that：
Temperature-Stress-flow multi-function Acquisition Instrument 13 has 4 channels, and has USB interface, can acquire stress, circumferential change simultaneously
The data of the data of 4 sensors such as shape, temperature, gas flow, acquisition can pass through USB data interface real-time storage data.
8. the method for the transformation-temperature-gas flow that drilled based on monitoring coal body, utilizes a kind of monitoring described in claim 1 to 7
The device of coal body drilling transformation-temperature-gas flow, it is characterised in that：
Include the following steps：
A, it is drilled through in the coal body of working face side in tunnel and meets the drilling of experiment condition, ensure that drilling is free of Free water and pen
Straight not collapse hole.
B, temperature sensor, strain gauge is cementing with fluid filling hole sealing device respectively and conducting wire is corresponding to multi-functional Acquisition Instrument
USB interface be connected.
C, hoop strain instrument and circumferential deformation induction air bag are mounted in the left end card slot of device bearing structure, air bag is by adding
Pressure pipe is connected with air bag force (forcing) pump, starts force (forcing) pump, and gas is injected into air bag, tests the air-tightness of air bag and forcing pipe.
D, Gas Flow pipeline is fixed on device chassis, and gas in mine flow sensor is installed on Gas Flow pipeline
It is interior, it is connected by conducting wire USB interface corresponding with multi-functional Acquisition Instrument.
E, by with the fluid filling hole sealing device of cementing sensor and first two steps, the device of installation section sensor and pipeline carries
Structure is assembled, and forms monitoring device agent structure, and install Grouting Pipe in structure reserved space.
F, monitoring device agent structure is put into drilling, and PVC identical with bearing structure size will be installed on the right side of device chassis
Pipe, in order to by device advancement holes, be sequentially connected every pvc pipe using quick coupling, until reaching foot of hole.
G, after reaching bottom with the fluid filling hole sealing device of borehole temperature sensor and strain gauge, start to be set with Grouting
Standby to inject cement mortar by PVC Grouting Pipes, slip casting degree should ensure that gapless between sensor and coal body, filling are close.
H, after the completion of waiting for slip casting, test each normal operation of sensor it is errorless after, sealing of hole is carried out using the special hole packer of coal mine.
I, according to the Parameters variation situation of collection in worksite, data are analyzed, and then the stress in being drilled, temperature, change
Shape situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691284.1A CN108590628A (en) | 2018-06-28 | 2018-06-28 | A kind of device and method of monitoring coal body drilling transformation-temperature-gas flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691284.1A CN108590628A (en) | 2018-06-28 | 2018-06-28 | A kind of device and method of monitoring coal body drilling transformation-temperature-gas flow |
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| CN108590628A true CN108590628A (en) | 2018-09-28 |
Family
ID=63635086
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441426A (en) * | 2018-11-27 | 2019-03-08 | 中国矿业大学(北京) | A kind of drilling hole stress directional monitoring device and method |
| CN109681195A (en) * | 2019-02-25 | 2019-04-26 | 中国矿业大学(北京) | A kind of down-hole drilling is interior along journey temperature infrared test device and method |
| CN110361265A (en) * | 2019-08-07 | 2019-10-22 | 中煤科工集团重庆研究院有限公司 | After mining reactive polymer material slip casting with the characteristic method for continuously measuring and device of coal petrography mixture |
| CN110552742A (en) * | 2019-09-10 | 2019-12-10 | 华北科技学院 | Real-time monitoring device for gas parameters and using method thereof |
| CN114961696A (en) * | 2022-05-31 | 2022-08-30 | 西安科技大学 | Method for detecting gas parameters in directional long drill hole of coal seam |
| CN116291396A (en) * | 2023-04-07 | 2023-06-23 | 徐州中矿岩土技术股份有限公司 | Method for monitoring goaf slurry migration and condensation in drilled holes in real time |
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| CN110361265A (en) * | 2019-08-07 | 2019-10-22 | 中煤科工集团重庆研究院有限公司 | After mining reactive polymer material slip casting with the characteristic method for continuously measuring and device of coal petrography mixture |
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| CN110552742B (en) * | 2019-09-10 | 2020-12-15 | 华北科技学院 | Real-time monitoring device for gas parameters and using method thereof |
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| CN116291396A (en) * | 2023-04-07 | 2023-06-23 | 徐州中矿岩土技术股份有限公司 | Method for monitoring goaf slurry migration and condensation in drilled holes in real time |
| CN116291396B (en) * | 2023-04-07 | 2023-10-20 | 徐州中矿岩土技术股份有限公司 | Method for monitoring goaf slurry migration and condensation in drilled holes in real time |
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