CN102507246A - Experimental tank for testing performance of grouting while drilling - Google Patents
Experimental tank for testing performance of grouting while drilling Download PDFInfo
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- CN102507246A CN102507246A CN2011103422355A CN201110342235A CN102507246A CN 102507246 A CN102507246 A CN 102507246A CN 2011103422355 A CN2011103422355 A CN 2011103422355A CN 201110342235 A CN201110342235 A CN 201110342235A CN 102507246 A CN102507246 A CN 102507246A
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- slip casting
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Abstract
The invention relates to an experimental tank for testing performance of grouting while drilling. The experimental tank comprises an experimental tank container, a coal bed, a lead, sensors, a fixing support plates, foundation bolts, a tool for grouting while drilling, a mud pump and a detection system, wherein the experimental tank container is cylindrical, and is made of a transparent organic glass material; the simulated drilling loose section coal bed is filled in the experimental tank container; the experimental tank container is fixedly connected with the ground through the fixing support plates and the foundation bolts; a borehole is formed in the center of the coal bed; multipath testing sensors are arranged in the coal bed and connected with a circuit board and an upper computer outside the experimental tank container through the lead; the tool for grouting while drilling and the mud pump are arranged on one side of the experimental tank container; and the detection system comprises a signal pickup and conversion circuit, a singlechip controller and the upper computer. The experimental tank has a simple structure, and is used for testing the grouting effect and mud formula performance of equipment for grouting while drilling on site reliably, easily and economically through performance tests in the experimental tank.
Description
Technical field
The present invention relates to a kind of with boring slip casting performance test test flume, specifically a kind of in the laboratory the various drilling conditions of simulation be used to check with the slip casting effect that bores grouting equipment with to the test flume of mud prescription performance test.
Background technology
In the drilling project field, be prone to the stratum of collapsing when bore meeting, or the normally slip casting of measure taked when collapsing the hole of drilling well, like grout.After treating sludge consolidating, drill again.Consolidation time reaches tens hours sometimes, greatly reduces drilling efficiency like this.With boring slurry injection technique is when the brill chance collapses the stratum, while drill to stratum slip casting, reinforces a kind of technology of the borehole wall with brill through slip casting.Consolidation effect depends on slip casting instrument and employed drilling fluid.But to the quantitative testing of slip casting effect, cost is very high and difficulty is very big at the scene.For solving quantitative testing to slip casting effect; The present invention provides a kind of can in the laboratory, accomplish a kind of with boring slip casting performance test test flume; Be a kind of various drilling conditions of in the laboratory, simulating, be used to check slip casting effect and mud prescription performance with boring grouting equipment.
Summary of the invention
The objective of the invention is for solving above-mentioned big to the quantitative testing difficulty of slip casting effect at the scene problem, and provide a kind of simple in structure, control is convenient and it is reliable, economical with boring slip casting performance test test flume to use.
For realizing above-mentioned purpose; The technical scheme that the present invention takes is: provide a kind of with boring slip casting performance test test flume; Comprise experimental tank container, coal seam, lead, sensor, fixed supported slab, foot bolt, with the circuit board and the host computer that bore slip casting instrument, steam piano, detection system; Described test flume container is cylindric; Adopt the transparent organic glass material to process, emulation drilling well frangible section coal seam is housed in the test flume container, the test flume container is connected through fixed supported slab, foot bolt and ground; Described coal seam becomes the loose frangible emulation frangible section coal seam of quality through manual work bonding broken coal, and there is boring at the center, coal seam, describedly is installed in experimental tank container one side with boring slip casting instrument and steam piano; Described sensor is installed in the coal seam, and sensor is connected through the circuit board of the outer detection system of lead and experimental tank container; Described detection system comprises picking up signal and change-over circuit, singlechip controller and host computer.
Sensor of the present invention has two kinds; Be used to test the air bag sensor of consolidation strength and be used to test the humidity sensor of the slip casting degree of depth, be installed in the coal seam, coal seam axial segmentation in the test flume container; Choose 2～4 coal faces, 1 air bag sensor is installed in each cross section; Select 2～4 coal faces simultaneously else, each coal face is radially arranged 2～3 humidity sensors is installed, and humidity sensor and the wall of a borehole distance are in 5cm.
Air bag sensor of the present invention and humidity sensor are installed at interval.
Of the present inventionly be installed between drill bit and the drilling rod with boring the slip casting instrument, be provided with nozzle with boring the slip casting instrument, drilling fluid passes through nozzle to the wall of a borehole slip casting under the effect of steam piano.
The signal pickup circuit of detection system of the present invention comprises multiple sensor, analog channel switch, half-bridge single armed circuit, high performance amplifier and 16 bit A/D converters of the consolidation strength and the slip casting degree of depth; Described host computer is through RS232 communication interface and singlechip controller interconnection; Stabilized voltage supply, supervisory keyboard, LCD, analog channel switch, 16 bit A/D converters, 3-8 code translator all are connected with singlechip controller; Power light is connected with stabilized voltage supply; Multiple sensor is connected with the analog channel switch, and the analog channel switch is connected 3-8 code translator interface channel pilot lamp after connecting half-bridge single armed circuit again with high performance amplifier.
Simulate in the slip casting performance test test flume with boring the slip casting process with boring of the present invention; On the one hand because the test flume container is the pmma material making; But the qualitative observation slip casting effect of naked eyes can detect and shows the slip casting degree of depth and consolidation strength information on the other hand through detection system quantitatively.
The present invention is a kind of to have following advantage with boring slip casting performance test test flume:
1, the present invention adopts the setting of segmentation multiple spot with boring consolidation strength and the slip casting depth transducer that slip casting performance test test flume adopts design voluntarily, can detect the multiple spot parameter simultaneously, makes detection more comprehensive.
2, the present invention is simple in structure, easy to operate with boring slip casting performance test test flume, can detect the consolidation strength and the slip casting degree of depth in real time; Process monitoring is more directly perceived; True and reliable, cost is low, can be used for checking slip casting effect and the mud prescription performance test with boring grouting equipment.The present invention is suitable for drilling engineering related scientific research and teaching with boring slip casting performance test test flume.
Description of drawings
Fig. 1 is of the present invention with boring slip casting performance test test flume structural representation.
Fig. 2 is that the present invention is with boring slip casting performance test test flume coal seam inner sensor scheme of installation.
Fig. 3 is that the present invention is with boring slip casting process synoptic diagram in the slip casting performance test test flume.
Fig. 4 is that the present invention is with boring slip casting performance test test flume detection system structural representation.
Fig. 5 is a host computer process flow block diagram of the present invention.
Among the above-mentioned figure: 1-steam piano, 2-slip casting instrument, 3-boring, 4-coal seam, 5-test flume container, 6-lead, 7-fixed supported slab, 8-foot bolt, 9-host computer, 10-ground, 11-air bag sensor, 12-humidity sensor, 13-nozzle, 14-drilling fluid, 15-circuit board.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail.
Embodiment 1: the present invention is a kind of with boring slip casting performance test test flume, and its structure is like Fig. 1, shown in 2.Test flume comprises steam piano 1, with the circuit board 15 and the host computer 9 that bore slip casting instrument 2, coal seam 4, experimental tank container 5, lead 6, sensor, fixed supported slab 7, foot bolt 8, detection system; Described test flume container 5 is cylindric; Adopt the transparent organic glass material to process; Emulation drilling well frangible section coal seam 4 is housed in the test flume container, and the test flume container is connected with ground 10 through fixed supported slab 7, foot bolt 8; Described coal seam becomes the loose frangible emulation frangible section coal seam of quality through manual work bonding broken coal, and there is boring 3 at 4 centers, coal seam; Describedly be installed in experimental tank container 5 one sides with steam piano 1 with boring slip casting instrument 2; Described sensor is installed in the coal seam, and sensor links to each other through the multi-channel analog channel switch of the outer detection system of lead 6 and experimental tank container; Multi-channel analog channel switch, half-bridge single armed single channel, high performance amplifier, 16 A/D converters, 3-8 code translator, passage pilot lamp, stabilized voltage supply, power light, LCD, supervisory keyboard, RS232 communication interface, singlechip controllers are integrated on the circuit board 15; Circuit board links to each other with host computer 9 through the RS232 interface.
The present invention is in the slip casting process, through being arranged in the slip casting degree of depth and the consolidation strength of the sensor difference position in the test flume.Described sensor has and detects consolidation strength and detect two kinds of the slip casting degree of depth, and the sensor mounting means is as shown in Figure 2, is used to test in the coal seam that the air bag sensor 11 of consolidation strength is installed in, and 1 air bag sensor is installed in every cross section in the coal seam of choosing.Special air bag sensor is adopted in the test of consolidation strength, can guarantee no matter in which direction distortion shrink in the coal seam, and sensor all can be sensed, and on measured value, produces repercussion.
The present invention is used to test the sensor employing humidity sensor 12 of the slip casting degree of depth, and in the coal seam that also is installed in, the slip casting degree of depth of indication of the present invention is the degree of depth that injection slurry can be injected to the coal seam by the wall of a borehole.The present invention is employed in every cross section and radially arranges 3 humidity sensors have been installed, so that test is in the humidity at different depth place.Say from the position of installing, because the slip casting degree of depth that needs to guarantee is 1cm, therefore in theory as long as detect the slip casting effect of this degree of depth.But more deep for detecting, sensor is installed in the wall of a borehole apart from 5cm with in the interior coal seam.
Air bag sensor 11 of the present invention is installed with humidity sensor 12 at interval.
The present invention is with boring slip casting performance test test flume, slip casting process such as Fig. 3.Describedly be installed between drill bit and the drilling rod, be provided with nozzle 13 with boring slip casting instrument 2 with boring slip casting instrument 2, with boring slip casting instrument 2 rotation on one side in boring, on one side feeding (among Fig. 3 for left or move right), whitewash on one side.Drilling fluid 14 under the effect of steam piano 1 through nozzle 13 with the rotation of slip casting instrument 2 with move, equably to the hole wall slip casting of boring 3, and infiltrate in the coal seam 4.Arrow is represented the flow direction of drilling fluid among the figure.
Referring to Fig. 4, detection system of the present invention comprises picking up signal and change-over circuit, singlechip controller (slave computer) and host computer 9.Signal pickup circuit contains the slip casting degree of depth and consolidation strength multiple sensor, analog channel switch, half-bridge single armed circuit, high performance amplifier and 16 bit A/D converters.Described host computer is through RS232 communication interface and singlechip controller interconnection; Stabilized voltage supply, supervisory keyboard, LCD, analog channel switch, 16 bit A/D converters, 3-8 code translator all are connected with singlechip controller; Power light is connected with stabilized voltage supply; Multiple sensor is connected with the analog channel switch, and the analog channel switch is connected 3-8 code translator interface channel pilot lamp after connecting half-bridge single armed circuit again with high performance amplifier.
Can see from Fig. 2 is equipped with multiple sensor in the test flume; Multiple sensor detects the slip casting degree of depth and the consolidation strength original analog information of different parts; Through singlechip controller control analog channel switch, timesharing arrives half-bridge single armed circuit, amplifies through high performance amplifier; The conversion of 16 bit A/D converters is input in the singlechip controller.Singlechip controller carries out the actual value that treatment conversion becomes the slip casting degree of depth and consolidation strength to input information, through liquid crystal display displays, utilizes the RS232 communication interface to be input in the host computer on the other hand on the one hand.The host computer treatment scheme after host computer is received data, is carried out data processing through software referring to Fig. 5, and synchronization simulation shows the slip casting state at each position in the test flume through numeral and two kinds of forms of image in real time in host computer.Detection system has also designed the passage pilot lamp when operation, show the position of current Information Monitoring.
Claims (5)
1. one kind with boring slip casting performance test test flume; It is characterized in that: comprise experimental tank container, coal seam, lead, sensor, fixed supported slab, foot bolt, with the circuit board and the host computer that bore slip casting instrument, steam piano, detection system; Described test flume container is cylindric; Adopt the transparent organic glass material to process, emulation drilling well frangible section coal seam is housed in the test flume container, the test flume container is connected through fixed supported slab, foot bolt and ground; Described coal seam becomes the loose frangible emulation frangible section coal seam of quality through manual work bonding broken coal, and there is boring at the center, coal seam, describedly is installed in experimental tank container one side with boring slip casting instrument and steam piano; Described sensor is installed in the coal seam, and sensor is connected through the circuit board of the outer detection system of lead and experimental tank container; Described detection system comprises picking up signal and change-over circuit, singlechip controller and host computer.
2. according to claim 1 a kind of with boring slip casting performance test test flume; It is characterized in that: described sensor has two kinds; Be used to test the air bag sensor of consolidation strength and be used to test the humidity sensor of the slip casting degree of depth, be installed in the coal seam, coal seam axial segmentation in the test flume container; Choose 2～4 coal faces, 1 air bag sensor is installed in each cross section; Select 2～4 coal faces simultaneously else, each coal face is radially arranged 2～3 humidity sensors is installed, and humidity sensor and the wall of a borehole distance are in 5cm.
3. according to claim 1 a kind of with boring slip casting performance test test flume, it is characterized in that: described air bag sensor and humidity sensor are installed at interval.
4. according to claim 1 a kind of with boring slip casting performance test test flume; It is characterized in that: describedly be installed between drill bit and the drilling rod with boring the slip casting instrument; Be provided with nozzle with boring the slip casting instrument, drilling fluid passes through nozzle to the wall of a borehole slip casting under the effect of steam piano.
5. according to claim 1 a kind of with boring slip casting performance test test flume; It is characterized in that: the signal pickup circuit of described detection system comprises multiple sensor, analog channel switch, half-bridge single armed circuit, high performance amplifier and 16 bit A/D converters of the consolidation strength and the slip casting degree of depth; Described host computer is through RS232 communication interface and singlechip controller interconnection; Stabilized voltage supply, supervisory keyboard, LCD, analog channel switch, 16 bit A/D converters, 3-8 code translator all are connected with singlechip controller; Power light is connected with stabilized voltage supply; Multiple sensor is connected with the analog channel switch, and the analog channel switch is connected 3-8 code translator interface channel pilot lamp after connecting half-bridge single armed circuit again with high performance amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110342235 CN102507246B (en) | 2011-11-03 | 2011-11-03 | Experimental tank for testing performance of grouting while drilling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110342235 CN102507246B (en) | 2011-11-03 | 2011-11-03 | Experimental tank for testing performance of grouting while drilling |
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| CN102507246A true CN102507246A (en) | 2012-06-20 |
| CN102507246B CN102507246B (en) | 2013-12-18 |
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| CN 201110342235 Expired - Fee Related CN102507246B (en) | 2011-11-03 | 2011-11-03 | Experimental tank for testing performance of grouting while drilling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571090A (en) * | 2014-12-31 | 2015-04-29 | 贝兹维仪器(苏州)有限公司 | Testing system of logging while drilling ground machine |
| CN106556686A (en) * | 2016-11-16 | 2017-04-05 | 王甲林 | The permeable detection device in colliery |
| CN107848781A (en) * | 2015-06-05 | 2018-03-27 | 安海斯-布希英博股份有限公司 | Bottle for control container filling device bursts the method for processing protocol and the emulation container applied to it |
| CN115680761A (en) * | 2023-01-05 | 2023-02-03 | 山西冶金岩土工程勘察有限公司 | Multi-layer goaf subsection grouting treatment construction process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571090A (en) * | 2014-12-31 | 2015-04-29 | 贝兹维仪器(苏州)有限公司 | Testing system of logging while drilling ground machine |
| CN104571090B (en) * | 2014-12-31 | 2018-05-15 | 贝兹维仪器(苏州)有限公司 | Well logging ground machine test system |
| CN107848781A (en) * | 2015-06-05 | 2018-03-27 | 安海斯-布希英博股份有限公司 | Bottle for control container filling device bursts the method for processing protocol and the emulation container applied to it |
| CN107848781B (en) * | 2015-06-05 | 2021-03-26 | 安海斯-布希英博股份有限公司 | Method for controlling a bottle burst protocol of a container filling device and a simulated container |
| CN106556686A (en) * | 2016-11-16 | 2017-04-05 | 王甲林 | The permeable detection device in colliery |
| CN115680761A (en) * | 2023-01-05 | 2023-02-03 | 山西冶金岩土工程勘察有限公司 | Multi-layer goaf subsection grouting treatment construction process |
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| CN102507246B (en) | 2013-12-18 |
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