CN116222498B - Ground subsidence monitoring and early warning device for geothermal exploitation - Google Patents
Ground subsidence monitoring and early warning device for geothermal exploitation Download PDFInfo
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- CN116222498B CN116222498B CN202310513974.9A CN202310513974A CN116222498B CN 116222498 B CN116222498 B CN 116222498B CN 202310513974 A CN202310513974 A CN 202310513974A CN 116222498 B CN116222498 B CN 116222498B
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- sedimentation
- magnetic ring
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- early warning
- locking wedge
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 238000004062 sedimentation Methods 0.000 claims abstract description 87
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012806 monitoring device Methods 0.000 abstract description 5
- 239000002689 soil Substances 0.000 description 9
- 238000005457 optimization Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention relates to the technical field of sedimentation monitoring devices, in particular to a ground sedimentation monitoring and early warning device for geothermal exploitation, which comprises a sedimentation pipe and a sedimentation magnetic ring, wherein the outer wall of the sedimentation pipe is provided with a limit groove, the inside of the sedimentation magnetic ring is connected with a locking wedge in a sliding way, the locking wedge is detachably connected with the limit groove, a monitoring component is connected between the sedimentation magnetic ring and the sedimentation pipe, the sedimentation magnetic ring is connected to the outside of the sedimentation pipe, the position of the sedimentation magnetic ring is locked through the locking wedge and a first jacking spring, the sedimentation pipe and the sedimentation magnetic ring can be integrally lowered into a monitoring well, the connection work of the sedimentation magnetic ring one by one is reduced, and the installation efficiency of the sedimentation detection device is greatly improved.
Description
Technical Field
The invention relates to the technical field of settlement monitoring devices, in particular to a ground settlement monitoring and early warning device for geothermal exploitation.
Background
The earth has abundant geothermal resources, the total capacity of which is located at the first place of all renewable energy sources, and has huge application and development space. Dry hot rock is a type of geothermal energy that is typically deposited into solid rock at depth in the ground, where the thermal energy stored is considerable and requires driving geothermal pipes below the surface during the production process, and Enhanced Geothermal Systems (EGS) based on hydraulic fracturing or other reservoir stimulation techniques are used to extract the energy in the dry hot rock. In geothermal exploitation, it is necessary to monitor the settlement of the rock stratum where the geothermal pipe is located.
In the prior art, the sedimentation monitoring device needs to put the sedimentation pipe into the monitoring well firstly and then sequentially connect a plurality of sedimentation magnetic rings on the sedimentation pipe, and the sedimentation monitoring device needs to fill soil for a plurality of times in the connection process, so that the operation is inconvenient and the installation efficiency is low. When the settlement magnetic ring is used for monitoring the ground settlement, the error is large when the settlement magnetic ring is used for generating fine settlement due to the longer length of the settlement pipe.
The invention aims to solve the technical problems that: the installation of the sedimentation tube and the sedimentation magnetic ring is facilitated, the installation efficiency of equipment is improved, meanwhile, the fine sedimentation on the ground is conveniently and efficiently detected, and the detection error is reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a ground subsidence monitoring and early warning device for geothermal exploitation.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a ground subsidence monitoring and early warning device for geothermal exploitation, includes sedimentation pipe and sedimentation magnetic ring, the outer wall of sedimentation pipe is equipped with the spacing groove, and the inside sliding connection of sedimentation magnetic ring has the locking voussoir, locking voussoir is connected with the spacing groove can be dismantled, be connected with the monitoring component between sedimentation magnetic ring and the sedimentation pipe.
As optimization, the inside of subside the magnetic ring be equipped with horizontal first connecting chamber, first connecting chamber inside is equipped with first tight spring in top, the outer end and the locking voussoir of first tight spring link firmly, the bottom surface of locking voussoir is inclined towards the oblique below that keeps away from the settling leg.
As optimization, the inside of locking voussoir be equipped with magnet, the inside evenly is equipped with a plurality of electro-magnet of sedimentation tube, the electro-magnet sets up in the spacing inslot, be connected with power supply line between the electro-magnet.
As the optimization, the monitoring component include detection piece, resistor and ampere meter, the inside of subside magnetic ring is equipped with the second and connects the chamber, be equipped with the tight spring of second top in the second connection chamber, the outer end and the detection piece of the tight spring of second top are connected, the outer wall of subsider tube is equipped with the sliding tray of vertical setting, the vertical connection in the sliding tray of resistor, be connected with the circular telegram circuit between one end of resistor and the ampere meter, the other end and the detection piece of circular telegram circuit can dismantle and be connected, the outer end setting of detection piece is in the sliding tray.
As optimization, the circular telegram circuit is located inside the sedimentation tube, and the other end of circular telegram circuit is equipped with the joining clip, and the joining clip can be dismantled with the upper portion of detecting the piece and be connected, the bottom surface of detecting the piece is towards keeping away from the outside lower part slope setting of sedimentation tube.
As optimization, the inside of subside magnetic ring be equipped with fore-and-aft third link chamber, third link intracavity portion is equipped with the tight spring of third top, the upper end of the tight spring of third top is connected with spacing shelves pole, and the spacing shelves pole slides and sets up in third link intracavity portion, the upper end in third link chamber link up with first link intracavity portion.
Preferably, the height of the opening of the first connecting cavity is smaller than the maximum height of the locking wedge.
As optimization, the top of the sedimentation magnetic ring and the bottom of the sedimentation magnetic ring are respectively provided with a soil retaining plate, and the soil retaining plates are arranged adjacent to the outer wall of the sedimentation pipe.
As optimization, the intelligent ammeter further comprises a controller and an alarm, wherein the controller is connected with the ammeter and the alarm through lines.
The ground subsidence monitoring and early warning device for geothermal exploitation has the following beneficial effects:
the sedimentation magnetic ring is connected to the outside of the sedimentation pipe, the position of the sedimentation magnetic ring is locked through the locking wedge block and the first propping spring, the sedimentation pipe and the sedimentation magnetic ring can be integrally put into a monitoring well, the connection work of the sedimentation magnetic ring one by one is reduced, and the installation efficiency of the sedimentation detection device is greatly improved;
after the installation is completed, the electromagnet is electrified, and the locking magnetic block is pushed out through repulsion of the electromagnet and the magnetic pole of the magnet, so that unlocking of the sedimentation magnetic ring is realized, and the ground sedimentation monitoring work is conveniently carried out;
when the ground subsides, the soil layer drives the subsidence magnetic ring to move downwards along the subsidence pipe, the detection block at the inner side of the subsidence magnetic ring moves along the resistor, and in the paths of the detection block, the resistor and the ammeter, the resistance in the circuit is increased, the current monitored by the ammeter is reduced, so that the staff can monitor the small-range change of the subsidence magnetic ring conveniently, and the subsidence monitoring error is reduced.
Drawings
Fig. 1 is a schematic view of the present invention in an installed state, on an axial side.
Fig. 2 is a schematic front view of the present invention.
FIG. 3 is a schematic view of the structure of FIG. 2, taken along line A-A, according to the present invention.
Fig. 4 is a schematic diagram of a cut-away structure of the sedimentation magnetic ring of the present invention.
Fig. 5 is an enlarged schematic view of the portion a of fig. 4 according to the present invention.
Wherein, 1, a sedimentation pipe, 2, a sedimentation magnetic ring, 3, a locking wedge block, 4, a first connecting cavity, 5, a first ejection spring, 6, a magnet, 7, an electromagnet, 8, a detection block, 9 and a resistor, 10, a second connecting cavity, 11, a second jacking spring, 12, a sliding groove, 13, a connecting clamp, 14, a third connecting cavity, 15, a third jacking spring, 16, a limiting stop rod, 17 and a retaining plate.
Detailed Description
As shown in fig. 1 and 4, the ground subsidence monitoring and early warning device for geothermal exploitation comprises a subsider 1 and a subsider magnetic ring 2, wherein a limit groove is formed in the outer wall of the subsider 1, a locking wedge block 3 is slidably connected inside the subsider magnetic ring 2, the locking wedge block 3 is detachably connected with the limit groove, and a monitoring assembly is connected between the subsider magnetic ring 2 and the subsider 1.
As shown in fig. 4, a horizontal first connecting cavity 4 is arranged in the sedimentation magnetic ring 2, a first jacking spring 5 is arranged in the first connecting cavity 4, the outer end of the first jacking spring 5 is fixedly connected with the locking wedge block 3, and the bottom surface of the locking wedge block 3 inclines obliquely downwards far away from the sedimentation pipe 1.
As shown in fig. 4, the locking wedge 3 is provided with a magnet 6 inside, the sedimentation pipe 1 is uniformly provided with a plurality of electromagnets 7 inside, the electromagnets 7 are arranged inside the limiting groove, and a power supply circuit is connected between the electromagnets 7.
As shown in fig. 5, the monitoring assembly comprises a detection block 8, a resistor 9 and an ammeter, a second connecting cavity 10 is arranged in the sedimentation magnetic ring 2, a second ejection spring 11 is arranged in the second connecting cavity 10, the outer end of the second ejection spring 11 is connected with the detection block 8, a sliding groove 12 which is longitudinally arranged is arranged on the outer wall of the sedimentation pipe 1, the resistor 9 is vertically connected in the sliding groove 12, an energizing circuit is connected between one end of the resistor 9 and the ammeter, the other end of the energizing circuit is detachably connected with the detection block 8, and the outer end of the detection block 8 is arranged in the sliding groove 12.
As shown in fig. 5, the energizing circuit is disposed inside the sedimentation tube 1, the other end of the energizing circuit is provided with a connecting clamp 13, the connecting clamp 13 is detachably connected with the upper portion of the detection block 8, and the bottom surface of the detection block 8 is obliquely disposed toward the lower portion of the outer side far away from the sedimentation tube 1.
As shown in fig. 5, a third connecting cavity 14 is longitudinally arranged in the sedimentation magnetic ring 2, a third tightening spring 15 is arranged in the third connecting cavity 14, the upper end of the third tightening spring 15 is connected with a limit stop lever 16, the limit stop lever 16 is slidably arranged in the third connecting cavity 14, and the upper end of the third connecting cavity 14 is communicated with the inside of the first connecting cavity 4.
As shown in fig. 5, the opening height of the first connecting chamber 4 is smaller than the maximum height of the locking wedge 3.
As shown in fig. 1, the top of the sedimentation magnetic ring 2 and the bottom of the sedimentation magnetic ring 2 are respectively provided with a soil retaining plate 17, and the soil retaining plates 17 are arranged adjacent to the outer wall of the sedimentation pipe 1.
The intelligent ammeter also comprises a controller and an alarm, wherein the controller is connected with the ammeter and the alarm through lines.
The position of the controller in the scheme is set by a worker according to actual conditions when the worker works, and the controller is used for controlling the used electric devices in the scheme, including but not limited to a sensor, a motor, a telescopic rod, a water pump, an electromagnetic valve, an electric heating wire, a heat pump, a display screen, a computer input device, a switch button, a communication device, a lamp, a loudspeaker and a microphone; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a singlechip, and also comprises a main board, a memory bank, a storage medium and a power supply which is matched with the controller for use, wherein the power supply is a commercial power or a lithium battery; when the display screen is provided, a display card is also provided; other non-mentioned automation control and power utilization devices are well known to those skilled in the art and will not be described in detail herein.
The using method comprises the following steps:
when the device is specifically used, a plurality of sedimentation magnetic rings 2 are sequentially connected to the outside of a sedimentation pipe 1, an electromagnet 7 is powered off, and under the action of a first jacking spring 5, the sedimentation magnetic rings 2 are connected with the sedimentation pipe 1 through a locking wedge 3;
directly placing the sedimentation pipe 1 with the sedimentation magnetic ring 2 in a monitoring well for filling soil;
after the landfill is completed, the electromagnet 7 is electrified, the magnetic pole of the electromagnet 7 is the same as that of the magnet 6, and the locking wedge 3 is pushed out through the repulsive force of the electromagnet 7 on the locking wedge 3, so that the locking wedge 3 is received in the first connecting cavity 4;
due to the back-out of the locking wedge 3, under the action of the third tightening spring 15, the limiting stop rod 16 is upwards along the third connecting cavity 14, and the locking wedge 3 is limited by the limiting stop rod 16, so that the locking wedge 3 can not extend out of the first connecting cavity 4 any more, and at the moment, the sedimentation magnetic ring 2 is connected with the sedimentation pipe 1 only through an electrified line on the detection block 8;
when the soil layer subsides, the soil layer drives the sedimentation magnetic ring 2 to move downwards along the sedimentation pipe 1, and the detection block 8 moves downwards along the sliding groove 12;
setting a certain current threshold value through the controller, and controlling the alarm to alarm by the controller when the ammeter detects that the current is smaller than the threshold value;
when the sedimentation magnetic ring 2 generates small-range sedimentation, the detection block 8 is downwards along the sliding groove 12, the resistance connected into the energizing line is gradually increased, and the current detected by the ammeter is gradually reduced;
when the sedimentation magnetic ring 2 drives the detection block 8 to continue downwards until the detection block 8 leaves the sliding groove 12, the ammeter detects that the current is 0;
when the ammeter detects that the current is reduced to 0, the surface sedimentation magnetic ring 2 is separated from the sliding groove 12, and the sedimentation distance of the sedimentation magnetic ring 2 is measured by the monitoring device.
The above embodiments are merely specific examples of the present invention, and the scope of the present invention includes, but is not limited to, the product forms and styles of the above embodiments, any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present invention, shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a geothermal exploitation ground subsides monitoring early warning device, includes sedimentation tube (1) and subsides magnetic ring (2), its characterized in that: the outer wall of the sedimentation pipe (1) is provided with a limit groove, a locking wedge block (3) is connected inside the sedimentation magnetic ring (2) in a sliding manner, the locking wedge block (3) is detachably connected with the limit groove, and a monitoring assembly is connected between the sedimentation magnetic ring (2) and the sedimentation pipe (1);
the inside of the sedimentation magnetic ring (2) is provided with a horizontal first connecting cavity (4), a first jacking spring (5) is arranged in the first connecting cavity (4), the outer end of the first jacking spring (5) is fixedly connected with the locking wedge block (3), and the bottom surface of the locking wedge block (3) inclines obliquely downwards far away from the sedimentation tube (1);
the inside of the locking wedge block (3) is provided with a magnet (6), the inside of the sedimentation pipe (1) is uniformly provided with a plurality of electromagnets (7), and the electromagnets (7) are arranged at the inner side of the limit groove;
the monitoring assembly comprises a detection block (8), a resistor (9) and an ammeter, a second connecting cavity (10) is formed in the sedimentation magnetic ring (2), a second jacking spring (11) is arranged in the second connecting cavity (10), the outer end of the second jacking spring (11) is connected with the detection block (8), a sliding groove (12) which is longitudinally arranged is formed in the outer wall of the sedimentation pipe (1), the resistor (9) is vertically connected in the sliding groove (12), an energizing circuit is connected between one end of the resistor (9) and the ammeter, the other end of the energizing circuit is detachably connected with the detection block (8), and the outer end of the detection block (8) is arranged in the sliding groove (12);
the inside of subside magnetic ring (2) be equipped with fore-and-aft third connecting chamber (14), third connecting chamber (14) inside is equipped with third tight spring (15) in top, the upper end of third tight spring (15) is connected with spacing shelves pole (16), and spacing shelves pole (16) slide and set up in third connecting chamber (14) inside, the upper end and the inside link up of first connecting chamber (4) of third connecting chamber (14).
2. The geothermal exploitation ground subsidence monitoring and early warning device according to claim 1, wherein: and a power supply circuit is connected between the electromagnets (7).
3. The geothermal exploitation ground subsidence monitoring and early warning device according to claim 1, wherein: the utility model discloses a sedimentation tube, including sedimentation tube (1), circular telegram circuit, connecting clamp (13) are located to circular telegram circuit's the other end, and connecting clamp (13) can be dismantled with the upper portion of detecting piece (8), the bottom surface of detecting piece (8) is towards keeping away from outside lower part slope setting of sedimentation tube (1).
4. The geothermal exploitation ground subsidence monitoring and early warning device according to claim 1, wherein: the height of the opening of the first connecting cavity (4) is smaller than the maximum height of the locking wedge block (3).
5. The geothermal exploitation ground subsidence monitoring and early warning device according to claim 1, wherein: the top of subsidence magnetic ring (2) and the bottom of subsidence magnetic ring (2) all be equipped with earth-retaining plate (17), earth-retaining plate (17) set up with the outer wall of subsidence pipe (1) adjacently.
6. The geothermal exploitation ground subsidence monitoring and early warning device according to claim 1, wherein: the intelligent ammeter also comprises a controller and an alarm, wherein the controller is connected with the ammeter and the alarm through lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310513974.9A CN116222498B (en) | 2023-05-09 | 2023-05-09 | Ground subsidence monitoring and early warning device for geothermal exploitation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310513974.9A CN116222498B (en) | 2023-05-09 | 2023-05-09 | Ground subsidence monitoring and early warning device for geothermal exploitation |
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| Publication Number | Publication Date |
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| CN116222498A CN116222498A (en) | 2023-06-06 |
| CN116222498B true CN116222498B (en) | 2023-11-21 |
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| CN202310513974.9A Active CN116222498B (en) | 2023-05-09 | 2023-05-09 | Ground subsidence monitoring and early warning device for geothermal exploitation |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116678376B (en) * | 2023-08-03 | 2023-10-03 | 山东鄄城致远科教仪器有限公司 | Monitoring device for settlement of geotechnical engineering construction soil layer |
| CN117870616B (en) * | 2024-03-12 | 2024-05-28 | 山东省国土空间生态修复中心(山东省地质灾害防治技术指导中心、山东省土地储备中心) | Automatic monitoring facilities of ground subsidence |
| CN118067080B (en) * | 2024-04-18 | 2024-06-28 | 山东省国土空间生态修复中心(山东省地质灾害防治技术指导中心、山东省土地储备中心) | Ground subsidence level observation auxiliary device |
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| CN214666774U (en) * | 2021-04-28 | 2021-11-09 | 高启轩 | Measuring device for layered settlement displacement of underground rock stratum for petroleum exploration |
| CN114000489A (en) * | 2021-11-16 | 2022-02-01 | 中建鸿腾建设集团有限公司 | Device and method for monitoring ground settlement value after pressure reduction and precipitation |
| CN114838703A (en) * | 2022-04-19 | 2022-08-02 | 四川金码科技有限公司 | Layered settlement monitoring device and construction process thereof |
| CN218060240U (en) * | 2022-05-19 | 2022-12-16 | 湖南机电职业技术学院 | Self-positioning settlement ring of soil settlement tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115248027B (en) * | 2021-04-28 | 2023-07-21 | 深圳大学 | Optical fiber sensing monitoring device for soil settlement and settlement measuring method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214666774U (en) * | 2021-04-28 | 2021-11-09 | 高启轩 | Measuring device for layered settlement displacement of underground rock stratum for petroleum exploration |
| CN114000489A (en) * | 2021-11-16 | 2022-02-01 | 中建鸿腾建设集团有限公司 | Device and method for monitoring ground settlement value after pressure reduction and precipitation |
| CN114838703A (en) * | 2022-04-19 | 2022-08-02 | 四川金码科技有限公司 | Layered settlement monitoring device and construction process thereof |
| CN218060240U (en) * | 2022-05-19 | 2022-12-16 | 湖南机电职业技术学院 | Self-positioning settlement ring of soil settlement tester |
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