CN109184748B - Pressure-controllable grouting equipment and method thereof - Google Patents
Pressure-controllable grouting equipment and method thereof Download PDFInfo
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- CN109184748B CN109184748B CN201811295941.7A CN201811295941A CN109184748B CN 109184748 B CN109184748 B CN 109184748B CN 201811295941 A CN201811295941 A CN 201811295941A CN 109184748 B CN109184748 B CN 109184748B
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- 238000000034 method Methods 0.000 title abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 239000003566 sealing material Substances 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 description 24
- 239000012528 membrane Substances 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The disclosure provides pressure-controllable grouting equipment and a method thereof. Wherein, a controllable formula grouting equipment of pressure includes: the grouting pump is used for realizing the long-distance conveying of grouting materials; the grouting pipe is connected with the grouting pump; the grouting pipe comprises a grouting hose and a deep diaphragm bag grouting floral pipe which are communicated with each other; and pressure valves with different pressures are mounted on the diaphragm bag grouting floral tubes between the deep parts, and different grouting pressures are configured to open different pressure valves so as to realize grouting at different depths.
Description
Technical Field
The disclosure belongs to the field of mine engineering, and particularly relates to pressure-controllable grouting equipment and a method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the exploitation of coal resources and metal ores, most of eastern coal mines and metal ores in China enter deep exploitation, and fault fracture zones and aquifers are often exposed in the process of mining mines. After the roadway is excavated, the original surrounding rock weak structural surface and cracks are further developed, and particularly, the deep part of the surrounding rock of the roadway is cracked and developed, so that great difficulty is brought to roadway support. Meanwhile, water inrush accidents are easy to happen in the mining process, and the safety of a mine is endangered. For safe mining, grouting reinforcement and water plugging technologies appear.
The inventor finds that the original grouting equipment is simple, mainly comprises a pulping device and a grouting device, and grouting is controlled manually. During manual grouting, the grouting amount, the grouting pressure and the like cannot be timely adjusted according to stratum parameters, so that continuous grouting cannot be performed, and grouting reinforcement and water plugging effects are affected. And grouting can only be carried out within the designed depth range of the drill hole, and grouting from a shallow part to a deep part cannot be realized, so that the workload is large and the grouting efficiency is low.
Disclosure of Invention
According to an aspect of one or more embodiments of the present disclosure, there is provided a pressure-controllable grouting apparatus capable of efficiently and rapidly performing a deep shaft grouting operation, improving grouting efficiency, and reducing construction costs.
The utility model provides a controllable formula grouting equipment of pressure includes:
the grouting pump is used for realizing the long-distance conveying of grouting materials;
the grouting pipe is connected with the grouting pump; the grouting pipe comprises a grouting hose and a deep diaphragm bag grouting floral pipe which are communicated with each other; and pressure valves with different pressures are mounted on the diaphragm bag grouting floral tubes between the deep parts, and different grouting pressures are configured to open different pressure valves so as to realize grouting at different depths.
In one or more embodiments, the pressure valve is provided with a liquid backflow prevention mechanism for ensuring that the slurry does not flow back in case of unstable slurry in the valve body.
In one or more embodiments, the pressure valve is provided with a first pressure sensor, the first pressure sensor is used for monitoring the grouting pressure at the pressure valve, and the first pressure sensor is connected with a first controller.
In one or more embodiments, the first controller is connected to the remote monitoring terminal through a wireless local area network.
In one or more embodiments, the grouting hose and the deep diaphragm bag grouting floral tube are detachably connected and used for lengthening the grouting tube to realize grouting of a deep surrounding rock crushing area.
In one or more embodiments, one end of the grouting pump is connected with a slurry suction pipe which sucks slurry from the outside, and the other end of the grouting pump is connected with a slurry outlet pipe which conveys slurry, and the grouting pipe is connected with the grouting pump through the slurry outlet pipe.
In one or more embodiments, a second pressure sensor is arranged on the slurry outlet pipe, the second pressure sensor is connected with a second controller, and the second controller is connected with a remote monitoring terminal through a wireless local area network.
In one or more embodiments, a flow sensor is arranged on the slurry outlet pipe, the flow sensor is connected with a second controller, and the second controller is connected with a remote monitoring terminal through a wireless local area network.
The disclosure also provides a grouting method based on the pressure-controllable grouting equipment.
The grouting method based on the pressure-controllable grouting equipment comprises the following steps:
drilling holes;
after the drilling is finished, filling hole sealing materials in the drill holes;
setting a pressure value of a pressure valve, and arranging grouting pipes;
after the grouting pipes are arranged, removing the drill rod shell;
through setting up different slip casting pressure, the pressure valve of deep compartment membrane bag slip casting floral tube different positions department can be opened to different slip casting pressure to realize the slip casting of the different degree of depth.
In one or more embodiments, the grouting method further includes:
and stopping grouting at the corresponding position when the grouting pressure sensed by the first pressure sensor is consistent with the grouting pressure detected by the second pressure sensor and reaches a preset value.
Compared with the prior art, the beneficial effect of this disclosure is:
(1) according to the pressure-controllable grouting equipment, the pressure valves with different pressures are mounted on the diaphragm bag grouting perforated pipes between the deep parts, and grouting at different depths is realized by setting different grouting pressures, so that the grouting equipment is simple in structure and convenient to use, is convenient for field construction technicians to master, and greatly reduces the complexity of a grouting process;
(2) according to the pressure-controllable grouting equipment, grouting at different depths can be realized during site construction, so that the construction efficiency and the grouting range are greatly improved;
(3) the pressure controllable grouting equipment disclosed by the invention realizes constant pressure, quantification and timing grouting, and greatly improves the refined controllable dynamic grouting degree.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
Fig. 1 is a schematic structural diagram of an embodiment of a pressure-controllable grouting apparatus according to the present disclosure;
FIG. 2 is a schematic view of a pressure valve;
FIG. 3 is a schematic structural view of a deep diaphragm bag grouting floral tube of the present disclosure;
fig. 4 is a schematic view of a construction sequence of an embodiment of the controllable grouting apparatus of the present disclosure.
Wherein, 1: a pressure gauge; 2: grouting pump; 3: a grouting pipe; 4: grouting range of the grouting pipe; 5: a pressure valve; 6: and (5) grouting the floral tubes by the deep diaphragm bags.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the present disclosure provides a pressure-controllable grouting apparatus, including:
the grouting pump 2 is used for realizing the long-distance conveying of grouting materials;
a grouting pipe 3 connected to the grouting pump 2; the grouting pipe 3 comprises a grouting hose and a deep diaphragm bag grouting floral pipe 6 which are communicated with each other; the deep diaphragm bag slip casting floral tube 6 is provided with pressure valves 5 with different pressures, and different slip casting pressures are configured to open different pressure valves so as to realize slip casting at different depths.
Specifically, the grouting pump 2 is provided inside the ground and the deep shaft as a grouting pressure station and a grouting pressure relay station.
In specific implementation, the grouting pump 2 can be two mining concrete pumps, the pumping power is strong, and the long-distance conveying of grouting materials can be realized.
In the concrete implementation, the number of the pressure valves 5 installed in the deep bag grouting pipe 6 is determined according to the depth of the drilled hole and the length of the deep bag grouting pipe 6 as shown in fig. 2.
As shown in figure 3, the deep diaphragm bag grouting floral tube comprises a diaphragm bag which is communicated with a stratum grouting floral tube and a diaphragm bag grouting tube.
In one or more embodiments, one end of the grouting pump is connected with a slurry suction pipe which sucks slurry from the outside, and the other end of the grouting pump is connected with a slurry outlet pipe which conveys slurry, and the grouting pipe is connected with the grouting pump through the slurry outlet pipe.
Specifically, the slurry suction pipe and the slurry outlet pipe are grouting hoses.
In one or more embodiments, a second pressure sensor is arranged on the slurry outlet pipe, the second pressure sensor is connected with a second controller, and the second controller is connected with a remote monitoring terminal through a wireless local area network.
Wherein the second pressure sensor may be implemented using a pressure gauge 1.
In one or more embodiments, a flow sensor is arranged on the slurry outlet pipe, the flow sensor is connected with a second controller, and the second controller is connected with a remote monitoring terminal through a wireless local area network.
In particular, the flow sensor may be implemented using a flow meter.
In one or more embodiments, the pressure valve is provided with a liquid backflow prevention mechanism for ensuring that the slurry does not flow back in case of unstable slurry in the valve body.
In one or more embodiments, the pressure valve is provided with a first pressure sensor, the first pressure sensor is used for monitoring the grouting pressure at the pressure valve, and the first pressure sensor is connected with a first controller.
In one or more embodiments, the first controller is connected to the remote monitoring terminal through a wireless local area network.
In one or more embodiments, the grouting hose and the deep diaphragm bag grouting floral tube are detachably connected and used for lengthening the grouting tube to realize grouting of a deep surrounding rock crushing area.
The membrane bag slip casting floral tube 6 and the slip casting hose between the deep adopt dismantled and assembled connected mode, be convenient for after the slip casting is accomplished, membrane bag slip casting floral tube 6 between the deep stays in slip casting hole bottom department, and the reuse can be torn down to the slip casting hose, reduces the slip casting cost.
Specifically, the grouting hose and the deep diaphragm bag grouting floral tube 6 are connected together through threads, and compactness in the grouting process is guaranteed.
It should be noted that, the grouting hose and the deep diaphragm bag grouting floral tube 6 may also be connected by other dismounting methods.
Wherein, the slip casting hose is easy to be deformed and has better field adaptability.
As shown in fig. 3, the construction sequence of the pressure-controllable grouting-based equipment of the present disclosure is as follows:
firstly, drilling a hole;
after the drilling is finished, filling hole sealing materials in the drill holes;
setting a pressure value of a pressure valve, and arranging grouting pipes;
after the grouting pipes are arranged, removing the drill rod shell;
then through setting up different slip casting pressures, open different pressure valves, realize the slip casting of the different degree of depth, improved slip casting efficiency and slip casting scope greatly.
Before grouting, different grouting pressures are set according to construction site conditions and stratum parameters, and the parameters can be adjusted in real time in the grouting process by monitoring and displaying the parameters in real time.
The pressure valves at different positions of the deep diaphragm bag grouting perforated pipe can be opened by different grouting pressures, so that grouting at different depths is realized.
When the grouting pressure sensed by the pressure sensor is consistent with the grouting pressure displayed by the pressure gauge and reaches a preset value, grouting at the position can be stopped.
This disclosed embodiment configuration different grouting pressure to open different pressure valves, and then to the deep interior slip casting of interval membrane bag slip casting floral tube in corresponding region, make the membrane bag open, form a confined region, the slip casting pressure of promotion, in order to realize the simultaneous grouting of the different degree of depth.
Specifically, the pressure of the pressure valve is monitored by using the communication between the remote terminal and the ground grouting base station.
The controllable formula grouting equipment of pressure of this disclosed embodiment can effectively consolidate shaft and the broken country rock in tunnel, improves the structure and the performance of deep country rock, realizes the slip casting of the different degree of depth, realizes the infiltration of ideal and improves efficiency of construction and slip casting scope, provides the guarantee for the safe exploitation of deep colliery and metal mine.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (2)
1. A pressure-controllable grouting apparatus, comprising:
the grouting pump is used for realizing the long-distance conveying of grouting materials;
the grouting pipe is connected with the grouting pump; the grouting pipe comprises a grouting hose and a deep diaphragm bag grouting floral pipe which are communicated with each other; pressure valves with different pressures are mounted on the diaphragm bag grouting floral tubes between the deep parts, different pressure valves are opened by configuring different grouting pressures, further grouting is performed in the diaphragm bags of the diaphragm bag grouting floral tubes between the deep parts of the corresponding areas, the diaphragm bags are opened, a closed area is formed, and grouting pressure is increased to realize grouting at different depths;
the pressure valve is provided with a first pressure sensor, the first pressure sensor is used for monitoring the grouting pressure at the pressure valve, and the first pressure sensor is connected with a first controller; the first controller is connected with the remote monitoring terminal through a wireless local area network;
the grouting hose and the deep diaphragm bag grouting floral tube adopt a detachable connection mode and are used for lengthening the grouting tube and realizing grouting of a deep surrounding rock crushing area;
one end of the grouting pump is connected with a slurry suction pipe which sucks slurry from the outside, the other end of the grouting pump is connected with a slurry outlet pipe which conveys the slurry, and the grouting pipe is connected with the grouting pump through the slurry outlet pipe;
a second pressure sensor is arranged on the pulp outlet pipe and connected with a second controller, and the second controller is connected with a remote monitoring terminal through a wireless local area network;
the slurry outlet pipe is provided with a flow sensor, the flow sensor is connected with a second controller, and the second controller is connected with a remote monitoring terminal through a wireless local area network;
when the grouting pressure sensed by the first pressure sensor is consistent with the grouting pressure detected by the second pressure sensor and reaches a preset value, stopping grouting at a corresponding position;
the pressure-controllable grouting equipment can efficiently and quickly perform grouting operation on the deep vertical shaft, improve grouting efficiency and reduce construction cost;
and a liquid backflow prevention mechanism is arranged on the pressure valve and used for ensuring that the slurry does not flow back under the condition that the slurry in the valve body is unstable.
2. A construction method based on the pressure-controllable grouting equipment as claimed in claim 1, characterized by comprising:
drilling holes;
after the drilling is finished, filling hole sealing materials in the drill holes; setting a pressure value of a pressure valve, and arranging grouting pipes;
after the grouting pipes are arranged, removing the drill rod shell;
by setting different grouting pressures, the pressure valves at different positions of the grouting floral tube of the deep diaphragm bag can be opened by the different grouting pressures, so that grouting at different depths is realized;
and stopping grouting at the corresponding position when the grouting pressure sensed by the first pressure sensor is consistent with the grouting pressure detected by the second pressure sensor and reaches a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295941.7A CN109184748B (en) | 2018-11-01 | 2018-11-01 | Pressure-controllable grouting equipment and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295941.7A CN109184748B (en) | 2018-11-01 | 2018-11-01 | Pressure-controllable grouting equipment and method thereof |
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| Publication Number | Publication Date |
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| CN109184748A CN109184748A (en) | 2019-01-11 |
| CN109184748B true CN109184748B (en) | 2022-05-03 |
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| CN111997687B (en) * | 2020-08-07 | 2022-06-03 | 中煤科工集团西安研究院有限公司 | Method for full pipe grouting and effect real-time detection of goaf |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE9101542L (en) * | 1991-05-22 | 1992-11-23 | Ingvar Bogdanoff | METHOD OF INJECTING MOUNTAIN OR CONCRETE AND DEVICE BEFORE PERFORMING THE METHOD |
| CN102268868A (en) * | 2010-06-02 | 2011-12-07 | 中国京冶工程技术有限公司 | Repeated adaptive grouting system and construction method |
| CN102787602A (en) * | 2012-08-31 | 2012-11-21 | 中国水利水电第七工程局成都水电建设工程有限公司 | Curtain grouting technique |
| CN206989413U (en) * | 2017-07-26 | 2018-02-09 | 安徽建筑大学 | A kind of air-conditioner set remote monitoring system |
| CN108221953A (en) * | 2018-03-16 | 2018-06-29 | 沈阳建筑大学 | A kind of pressure-adjustable orientation given layer fracture grouting mini-valve tube and grouting method |
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