CN111894659A - Full-automatic dynamic hole sealing system - Google Patents
Full-automatic dynamic hole sealing system Download PDFInfo
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- CN111894659A CN111894659A CN202010929872.1A CN202010929872A CN111894659A CN 111894659 A CN111894659 A CN 111894659A CN 202010929872 A CN202010929872 A CN 202010929872A CN 111894659 A CN111894659 A CN 111894659A
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- 238000007789 sealing Methods 0.000 title claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 239000002775 capsule Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 230000001502 supplementing effect Effects 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a full-automatic dynamic hole sealing system, which comprises a plurality of execution units and a control unit for controlling the execution units; the execution unit comprises a self-adaptive dynamic hole packer and an automatic batching and slurry supplementing device, the control unit is a central controller, the self-adaptive dynamic hole packer comprises a front hole sealing capsule, a middle connecting section and a rear hole sealing capsule, and the automatic batching and slurry supplementing device comprises a tank body, a stirring device, a material supplementing device, a water adding device, a pressurizing device, a pressure sensor and a plurality of electromagnetic valves; the pressure sensors are respectively positioned in the material supplementing device, the tank body and the pressure data in the grouting pipeline of the self-adaptive hole packer. The sensor is connected to the input end of the central controller; each valve and device control end are connected to the output end of the central controller, and the central controller is used for receiving signals fed back by various sensors and outputting control instructions to control the opening and closing of the electromagnetic valve and the operation of equipment. The invention has the advantages of high automation degree, high control precision, high stability and high safety.
Description
Technical Field
The invention belongs to the field of mine gas prevention and control, and particularly relates to a full-automatic dynamic hole sealing system.
Background
The gas disaster is one of main disasters influencing the safety production of a coal mine at present, the most common means in the gas disaster treatment is extraction, and in the extraction, the measures such as pre-extraction, cross-layer drilling extraction, high-position drilling extraction and the like of the coal seam all need to be drilled and sealed, and the drilling and sealing effect can directly influence the gas extraction efficiency, so that the improvement of the drilling and sealing quality has important significance for treating the gas disaster.
At present, the sealing of the drill hole in China usually adopts a one-time hole sealing method, so after the hole sealing is finished, if the drill hole is affected by mining disturbance or stress display to cause the situation of hole collapse or crack development, the automatic sealing cannot be realized, the existing hole sealing is mostly manual one-time hole sealing, the dynamic sealing cannot be realized, and the hole sealing effect cannot be determined. Therefore, in order to improve the hole sealing effect during coal seam gas extraction, reduce the hole sealing cost and reduce the inevitable error caused by manual hole sealing, a set of full-automatic dynamic hole sealing device needs to be established urgently, the hole sealing material in the device adopts a liquid non-solidified material, full-automatic dynamic sealing can be realized, and the device has the characteristics of good stability, obvious hole sealing effect, low cost, high automation degree and the like.
Disclosure of Invention
The invention aims to provide a full-automatic dynamic hole sealing system, which is used for solving the problems of complicated manual operation and poor hole sealing effect in the prior art. The full-automatic dynamic hole sealing system is particularly suitable for the conventional gas extraction and pressure measurement hole sealing, full-automatic dynamic hole sealing can be realized only by manually connecting the device and feeding the device into a drill hole, and the full-automatic dynamic hole sealing system mainly solves the technical problem of realizing full-automatic dynamic real-time hole sealing.
The invention is realized by adopting the following technical scheme:
a full-automatic dynamic hole sealing system comprises a plurality of execution units and a control unit for controlling the execution units;
each execution unit comprises an automatic batching and slurry supplementing device and a self-adaptive dynamic hole packer, and the control unit comprises a central controller;
the automatic batching and slurry supplementing device comprises a tank body, a stirring device and a pressurizing device which are arranged at the top of the tank body and extend into the tank body, and a feeding device, a water adding device and a slurry outlet which are arranged on the side wall of the tank body; the bottom of the tank body is provided with a hydraulic sensor, the upper part of the tank body, the bottom of the feeding device, the water feeding device and the slurry outlet are respectively provided with a pressure sensor, and the feeding pipeline of the feeding device, the water feeding pipeline of the water feeding device and the slurry outlet are respectively provided with an electromagnetic valve; the water adding device is provided with a first electric control switch on the electromagnetic flowmeter stirring device arranged on the pipeline, and a second electric control switch on the supercharging device;
the self-adaptive dynamic hole sealing device comprises a front hole sealing device, a rear hole sealing device and a middle connecting section which are sequentially communicated, and the slurry outlet is used for being communicated with the front hole sealing device;
the central controller is used for receiving signals of pressure sensors in the tank body and the stirring device, the pressurizing device, the feeding device and the water adding device, controlling the on-off of the stirring device, the pressurizing device, the feeding device and the water adding device and controlling the on-off of the electromagnetic valve.
The invention has the further improvement that the pressurizing device is provided with an air pressure inlet, and 1-5 Mpa pressure is provided for the tank body through the air pressure inlet.
The invention is further improved in that the stirrer of the stirring device extends into the tank body, the rotating speed of the stirrer is controllable, and the stirrer has a viscosity measuring function.
The invention has the further improvement that the feeding device is of a tank structure, and raw materials are stored in the feeding device; the water adding pipeline of the water adding device is connected with the water pipeline of the mine side to provide water for the system.
The water adding device is further improved in that an electromagnetic flow meter is further arranged on the pipeline, and the electromagnetic flow meter is connected to the central controller and used for feeding monitoring signals back to the central controller.
The invention has the further improvement that the first electric control switch of the stirring device, the second electric control switch of the supercharging device, the first electromagnetic valve of the feeding device, the second electromagnetic valve of the water adding device and the third electromagnetic valve of the pulp outlet are all connected to the central controller, and the central controller outputs opening/closing signals.
The invention further improves that the front hole sealing device and the rear hole sealing device of the self-adaptive dynamic hole sealing device are used as plugs after grouting and expand, and the middle connecting section is used as middle hole sealing section grouting.
The invention has the further improvement that the preposed hole sealing device comprises a first extraction pipe, a first grouting pipe and a first expansion capsule pipe, the postposed hole sealing device comprises a second extraction pipe, a second grouting pipe and a second expansion capsule pipe, and the middle connecting section comprises a third extraction pipe and a third grouting pipe;
the first grouting pipe, the second grouting pipe and the third grouting pipe are positioned inside the first extraction pipe, the second extraction pipe and the third extraction pipe, a three-way pipeline extending extraction pipe is arranged at an opening on the extraction pipe in the middle area of the bag, a front capsule grouting opening and a rear capsule grouting opening both extend into the capsule, an open pipeline is adopted, and the opening on the extraction pipe is sealed at the capsule opening to prevent gas leakage and liquid leakage; the middle section grouting opening is provided with a pressure valve for grouting after the valve is opened under the set pressure, so that the internal pressure of the capsule is always greater than the middle section grouting pressure.
The invention is further improved in that a pressure flow acquisition module, an Ethernet communication module, a valve control module, an on-off control module, a data display module and a data processing module are arranged in the central controller, the pressure flow acquisition module acquires pressure flow data through a pressure sensor and an electromagnetic flowmeter, the data processing module analyzes the data and feeds the data back to the control valve control module and the on-off control module so as to respectively control the first electric control switch, the second electric control switch, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve, the control result is fed back to the Ethernet communication module, monitoring information and control information are uploaded to a mining control main station through the Ethernet communication module, and the data display module is used for displaying the monitored pressure data and the states of the switches in real time.
The invention has at least the following beneficial technical effects:
according to the full-automatic dynamic hole sealing system provided by the invention, automatic proportioning, slurry supplementing, multiple hole sealing and other operations can be carried out according to the field condition, and the sealing performance is good after hole sealing and grouting. The system can calculate and analyze the monitored signals and feed back all the accessories of the automatic batching and pulp supplementing device in real time. And the visual and visual display of the observation result is realized. The control unit adopts a modular design, has strong interactivity and is convenient to operate. And related control modules are arranged, so that the automatic and controllable hole sealing operation of the system can be realized, and the inconvenience of manual operation of the conventional equipment is avoided. The method for sealing the holes by liquid is adopted, so that the self-adaptive hole sealing device can be recycled after pressure relief, and the construction cost is greatly reduced.
Drawings
Fig. 1 is a schematic connection diagram of a full-automatic dynamic hole sealing system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an automatic blending and slurry supplementing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a self-adaptive dynamic hole packer according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a central controller according to an embodiment of the present invention.
Description of reference numerals:
1: automatic batching mends thick liquid device 2: self-adaptive dynamic hole packer 3: central controller
10: the tank body 11: the stirring device 12: supercharging device
13: the feeding device 14: a water adding device 15: grout outlet
20: preposed hole sealing device 21: post hole sealing device 22: intermediate connecting section
10-1: first pressure sensor 10-2: hydraulic pressure sensor 11-1: first electric control switch
11-2: stirrer 12-1: second electrically controlled switch 12-2: air pressure inlet
13-1: second pressure sensor 13-2: first electromagnetic valve 14-1: electromagnetic flowmeter
14-2: second electromagnetic valve 14-3: water adding pipeline 15-1: third pressure sensor
15-2: third electromagnetic valve 20-1: 20-2 of a first extraction pipe: first grouting pipe
20-3: 20-4 of front capsule grouting opening: first expansion capsule tube 21-1: second extraction pipe
21-2: second grouting pipe 21-3: rear capsule grouting port 21-4: second expansion capsule tube
22-1: and a third extraction pipe 22-2: third grouting pipe 22-3: pressure valve
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, the present invention provides a full-automatic dynamic hole sealing system, which includes an automatic batching and slurry supplementing device 1, an adaptive dynamic hole sealing device 2 and a central controller 3. The automatic batching and slurry supplementing device 1 comprises a tank body 10, a stirring device 11, a pressurizing device 12, a feeding device 13, a water adding device 14 and a slurry outlet 15, wherein the tank body 10 comprises a first pressure sensor 10-1 and a hydraulic sensor 10-2, the stirring device 11 comprises a first electric control switch 1-1 and a stirrer 11-2, and the pressurizing device 12 comprises a first electric control switch 12-1 and an air pressure inlet 12-2; the feeding device 13 comprises a second pressure sensor 13-1 and a first electromagnetic valve 13-2, the water adding device 14 comprises an electromagnetic flow meter 14-1, a second electromagnetic valve 14-2 and a water adding pipeline 14-3, and the pulp outlet 15 comprises a third pressure sensor 15-1 and a third electromagnetic valve 15-2; the self-adaptive dynamic hole packer 2 comprises a front hole sealing device 20, a rear hole sealing device 21 and a middle connecting section 22, wherein the front hole sealing device 20 comprises a first extraction pipe 20-1, a first grouting pipe 20-2, a front capsule grouting hole 20-3 and a first expansion capsule pipe 20-4, the rear hole sealing device 21 comprises a second extraction pipe 21-1, a second grouting pipe 21-2, a rear capsule grouting port 21-3 and a second expansion capsule pipe 21-4, and the middle connecting section 22 comprises a third extraction pipe 22-1, a third grouting pipe 22-2 and a pressure valve 22-3.
The stirring device 11, the supercharging device 12, the feeding device 13, the water adding device 14 and the slurry outlet 15 on the automatic batching slurry supplementing device 1 are all fixed on the outer side of the tank body 10, and the tank body 10 is provided with holes to stretch pipelines of all devices into the tank body, so that the functions of feeding, water adding, stirring, supercharging and slurry discharging are realized.
The first pressure sensor 10-1 can be responsible for detecting the gas pressure in the tank body, and whether the pressure in the tank meets the grouting requirement is judged according to the pressure; the hydraulic sensor 10-2 detects the liquid pressure in the tank body, judges the residual amount of the slurry in the tank body according to the liquid pressure and judges whether the material is prepared or not. And the third pressure sensor 15-1 monitors the pressure in the grouting pipeline and is used for judging the hole sealing effect and state.
The central controller feeds back the pressure monitoring result and the control condition to the mine monitoring system through the Ethernet communication module, and manual intervention can be realized through the monitoring system.
As shown in figure 1, the slurry outlet 15 of the automatic proportioning and slurry supplementing device 1 is connected with a first grouting pipe 20-2 of an adaptive dynamic hole packer 2, and the adaptive dynamic hole packer 2 is arranged in a drill hole. The water feeding pipeline 14-3 is connected to a water pipeline on the mine, and a cavity which is arranged inside the feeding device 13 can store grouting materials.
As shown in FIG. 2, the stirring device 11, the pressurizing device 12, the feeding device 13 and the water adding device 14 in the automatic batching and slurry supplementing device 1 are all installed outside the tank body 10 and connected to the inside of the tank body through pipelines.
As shown in FIG. 3, the self-adaptive dynamic hole packer 2 is composed of a front hole sealing device 20, a rear hole sealing device 21 and an intermediate connecting section 22, wherein the extraction pipes of the three parts are connected by adopting a threaded connection, and the grouting pipes are connected by adopting a quick connector.
As shown in figure 3, the front capsule grouting port 20-3 and the rear capsule outlet 21-3 are open outlets, the outlets are connected to the interior of the expansion capsule pipe from the grouting pipe, and the grouting outlet of the middle connecting section 22 is provided with a pressure valve 22-3 to form different grouting pressures from 20-3 and 21-3.
As shown in fig. 4, a pressure (flow) acquisition module, an ethernet communication module, a valve control module, and a data display module are disposed in the central processing unit 3. The pressure (flow) acquisition module acquires pressure data through a pressure sensor, an electromagnetic flowmeter and the like, data analysis is carried out through processing software, the pressure data are fed back to the valve control module to realize control over each valve and each motor, a control result is uploaded to a monitoring system of a mine through the Ethernet communication module, the monitoring system of the mine can also manually regulate and control states of each motor and each valve through the Ethernet communication module, and the data display module is used for displaying the monitored pressure data and each switch state in real time.
As shown in FIG. 4, the first pressure sensor 10-1, the hydraulic pressure sensor 10-2, the second pressure sensor 13-1, the electromagnetic flow meter 14-1 and the third pressure sensor 15-1 are all connected to the CPU 3, and the first electronic control switch 11-1, the second electronic control switch 12-1, the first electromagnetic valve 13-2, the second electromagnetic valve 14-2 and the third electromagnetic valve 15-2 are also controlled by the CPU 3.
The automatic control system also comprises analysis operation software, and the system is regulated and controlled through the software.
The working principle of the invention is as follows:
the method comprises the steps of taking signals of pressure and flow sensors as a judgment basis of operation of each system, monitoring grouting pressure inside a drill hole through a third pressure sensor 15-1, judging whether slurry needs to be continuously supplemented or not, judging whether air pressure inside a tank body meets the grouting pressure or not through a first pressure sensor 10-1, judging whether slurry and quantity inside the tank body 10 are enough or not through a hydraulic sensor 10-2, judging how much grouting raw material needs to be injected through a bed dryer 13-1, judging the quantity of added water through a sensor 14-1, and controlling each valve and each switch through integrating all the sensors to realize a full-automatic dynamic hole sealing effect.
The first embodiment is as follows:
the concrete working process in this embodiment is as follows:
the self-adaptive dynamic hole packer 2 is connected and sent into a drill hole, a slurry outlet 15 and a first grouting pipe 20-1 of the automatic batching and slurry supplementing device 1 are connected, and a water adding pipeline 14-3 is connected to a water supply pipeline of a mine to electrify a system.
When grouting starts, a third pressure sensor 15-1 monitors that the self-adaptive dynamic hole packer in a drill hole has no pressure, grouting operation is needed, a hydraulic sensor 10-2 monitors that no sufficient slurry exists in a tank, and slurry is needed to be supplemented, so that the first electromagnetic valve 13-2 and the second electromagnetic valve 14-2 are switched on to perform material supplementing and water supplementing operation, the second pressure sensor 13-1 and the electromagnetic flow meter 14-1 judge that raw materials and water are added, when enough materials are added, the first electronic control switch 1-1 is switched on to stir the materials in the tank 10, after stirring for a period of time, the stirrer 11-2 can automatically judge the viscosity of the slurry, if the viscosity is proper, next operation is performed, and if the viscosity is improper, feeding or water adding operation is performed. When the slurry in the tank is sufficient, the central controller 3 judges, the first electronic control switch 1-1 of the stirrer 11 is closed, the third electromagnetic valve 15-2 is opened, the second electronic control switch 12-1 is opened for grouting operation, and the second electronic control switch 12-1 is in a normally open state under the normal grouting condition, so that the sufficient pressure in the tank body 10 is ensured for grouting.
After grouting, the pressurizing device 12 and the third electromagnetic valve 15-2 are in a normally open state, and continuous grouting can be performed due to crack development or drilling and hole collapse and the like.
And in the subsequent pulp supplementing process, if the situation that the pulp in the tank body 10 is insufficient is generated, secondary material preparation is carried out, the third electromagnetic valve 15-2 and the second electric control switch 12-1 of the pressurizing device 12 are closed before material preparation, material preparation and stirring are carried out according to the same judgment and operation sequence with the operation, and then the pulp supplementing operation is repeated.
Claims (9)
1. A full-automatic dynamic hole sealing system is characterized by comprising a plurality of execution units and a control unit for controlling the execution units;
each execution unit comprises an automatic proportioning and slurry supplementing device (1) and a self-adaptive dynamic hole packer (2), and the control unit comprises a central controller (3);
the automatic batching and slurry supplementing device (1) comprises a tank body (10), a stirring device (11) and a pressurizing device (12) which are arranged at the top of the tank body (10) and extend into the tank body (10), and a feeding device (13), a water adding device (14) and a slurry outlet (15) which are arranged on the side wall of the tank body (10); the bottom of the tank body (10) is provided with a hydraulic sensor (10-2), the upper part of the tank body (10), the bottom of the feeding device (13), the water adding device (14) and the pulp outlet (15) are respectively provided with a pressure sensor, and the feeding pipeline of the feeding device (13), the water inlet pipeline of the water adding device (14) and the pulp outlet (15) are respectively provided with an electromagnetic valve; the water adding device (14) is provided with an electromagnetic flowmeter (14-1) on a pipeline, a first electric control switch (11-1) is arranged on the stirring device (11), and a second electric control switch (12-1) is arranged on the supercharging device (12);
the self-adaptive dynamic hole sealing device (2) comprises a front hole sealing device (20), a rear hole sealing device (21) and a middle connecting section (22) which are sequentially communicated, and the slurry outlet (15) is used for being communicated with the front hole sealing device (20);
the central controller (3) is used for receiving signals of pressure sensors in the tank body (10) and the stirring device (11), the pressurizing device (12), the feeding device (13) and the water adding device (14), controlling the on-off of the stirring device (11), the pressurizing device (12), the feeding device (13) and the water adding device (14) and controlling the on-off of the electromagnetic valve.
2. The full-automatic dynamic hole sealing system according to claim 1, wherein the pressurizing device (12) is provided with a pneumatic inlet (12-2), and the pneumatic inlet (12-2) provides 1-5 Mpa pressure for the tank body (10).
3. The fully automatic dynamic sealing system according to claim 1, wherein the stirrer (11-2) of the stirring device (11) extends into the tank (10), and the rotation speed thereof is controllable and has a viscosity measurement function.
4. The full-automatic dynamic hole sealing system according to claim 1, wherein the feeding device (13) is of a tank structure, and raw materials are stored in the feeding device; a water adding pipeline (14-3) of the water adding device (14) is connected with a water pipeline of an ore side to provide water for the system.
5. The full-automatic dynamic hole sealing system according to claim 1, wherein the water adding device (14) is further provided with an electromagnetic flow meter (14-1) on the pipeline, and the electromagnetic flow meter (14-1) is connected to the central controller (3) and used for feeding back the monitoring signal to the central controller.
6. The full-automatic dynamic hole sealing system according to claim 1, wherein a first electronic control switch (11-1) of the stirring device (11), a second electronic control switch (12-1) of the pressurizing device (12), a first electromagnetic valve (13-2) of the feeding device (13), a second electromagnetic valve (14-2) of the water adding device (14), and a third electromagnetic valve (15-2) of the slurry outlet (15) are all connected to the central controller (3), and the central controller outputs an on/off signal.
7. The full-automatic dynamic hole sealing system according to claim 1, wherein the front hole sealing device (20) and the rear hole sealing device (21) of the adaptive dynamic hole sealing device (2) are expanded after grouting to serve as plugs, and the middle connecting section (22) is used for grouting the middle hole sealing section.
8. The full-automatic dynamic hole sealing system according to claim 7, wherein the preposed hole sealing device (20) comprises a first extraction pipe (20-1), a first grouting pipe (20-2) and a first expansion capsule pipe (20-4), the postposed hole sealing device (21) comprises a second extraction pipe (21-1), a second grouting pipe (21-2) and a second expansion capsule pipe (21-4), and the middle connecting section (22) comprises a third extraction pipe (22-1) and a third grouting pipe (22-2);
the first grouting pipe (20-2), the second grouting pipe (21-2) and the third grouting pipe (22-2) are positioned inside the first extraction pipe (20-1), the second extraction pipe (21-1) and the third extraction pipe (22-1), a three-way pipeline extending extraction pipe is arranged on an opening of the extraction pipe in the middle area of the bag, a front capsule grouting port (20-3) and a rear capsule grouting port (21-3) both extend into the capsule, an open pipeline is adopted, and the opening on the extraction pipe is sealed at the capsule opening to prevent gas leakage and liquid leakage; the middle section grouting opening is provided with a pressure valve (22-3) for grouting when the valve is opened under a set pressure, so that the internal pressure of the capsule is always greater than the middle section grouting pressure.
9. The full-automatic dynamic hole sealing system according to claim 1, wherein a pressure flow acquisition module, an Ethernet communication module, a valve control module, an on-off control module, a data display module and a data processing module are arranged in the central controller (3), the pressure flow acquisition module acquires pressure flow data through a pressure sensor and an electromagnetic flowmeter, the data processing module analyzes the data and feeds the data back to the control valve control module and the on-off control module to control the first electronic control switch (11-1), the second electronic control switch (12-1), the first electromagnetic valve (13-2), the second electromagnetic valve (14-2) and the third electromagnetic valve (15-2) respectively, the control result is fed back to the Ethernet communication module, and monitoring information and control information are uploaded to a mine control main station through the Ethernet communication module, the data display module is used for displaying the monitored pressure data and the states of the switches in real time.
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| CN202010929872.1A CN111894659A (en) | 2020-09-07 | 2020-09-07 | Full-automatic dynamic hole sealing system |
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| CN202010929872.1A CN111894659A (en) | 2020-09-07 | 2020-09-07 | Full-automatic dynamic hole sealing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961694A (en) * | 2022-05-19 | 2022-08-30 | 四川芙蓉川南建设工程有限公司 | Effective fracturing radius measuring device and method for mine blast hole |
| CN117703299A (en) * | 2024-02-06 | 2024-03-15 | 山东科技大学 | Visual sealing device and sealing method for gas extraction drilling |
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| CN117703299B (en) * | 2024-02-06 | 2024-05-14 | 山东科技大学 | Visual sealing device and sealing method for gas extraction drilling |
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