CN217380530U - Structure is surveyd for a long time to colliery underground stratum connectivity - Google Patents
Structure is surveyd for a long time to colliery underground stratum connectivity Download PDFInfo
- Publication number
- CN217380530U CN217380530U CN202221139641.1U CN202221139641U CN217380530U CN 217380530 U CN217380530 U CN 217380530U CN 202221139641 U CN202221139641 U CN 202221139641U CN 217380530 U CN217380530 U CN 217380530U
- Authority
- CN
- China
- Prior art keywords
- shallow
- water outlet
- deep
- outlet pipe
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000003245 coal Substances 0.000 claims abstract description 13
- 230000007774 longterm Effects 0.000 claims abstract description 11
- 239000006028 limestone Substances 0.000 claims abstract description 10
- 235000019738 Limestone Nutrition 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model belongs to the technical field of colliery is water control in the pit, concretely relates to structure is surveyd for a long time to colliery underground stratum connectivity. The technical problem that various impurities mixed in water easily cause the blockage or damage of a flowmeter due to higher formation pressure when various parameters such as pressure, water quantity, water quality and the like of Ordovician limestone water are tested at present is solved. A coal mine underground stratum connectivity long-term observation structure comprises an open structure, a first open sieve tube arranged in the open structure, a shallow sleeve connected to the top of the first open sieve tube, a second open structure and a deep sleeve arranged in the second open structure; the top of the shallow casing extends out of a well mouth, and the deep casing extends out of the inner part of the shallow casing; the side wall of the shallow sleeve is connected with a shallow water outlet pipe, and the top of the deep sleeve is horizontally connected with a deep water outlet pipe; the shallow/deep water outlet pipe is respectively connected with a pressure gauge, a drainage switch, a pollution discharge switch, a filter screen and a high-pressure water meter along the water outlet direction.
Description
Technical Field
The utility model belongs to the technical field of colliery is water control in the pit, concretely relates to structure is surveyd for a long time to colliery underground stratum connectivity.
Background
Along with coal mining development, mine hydrological conditions are more and more complex, for example, in an actual water discharge test performed for testing various parameters such as pressure, water quantity, water quality and the like of Ordovician limestone water, due to the fact that stratum pressure is large, various impurities mixed in water easily cause blockage or damage of a flowmeter. In order to successfully complete the waterproof test work, a device is very needed to solve the technical problem so that a coal mine water prevention and control unit can obtain reasonable parameters.
Disclosure of Invention
The utility model discloses a solve the pressure of the present various parameters such as the Ordovician limestone water of test ao pottery, the water yield, quality of water, because stratum pressure is great, various impurity that mix with in the aquatic cause the flowmeter to block or the technical problem who damages easily, provide a colliery underground stratum connectivity and survey the structure for a long time.
The utility model discloses an adopt following technical scheme to realize: a coal mine underground stratum connectivity long-term observation structure comprises an open structure, a first open sieve tube arranged in the open structure, a shallow sleeve connected to the top of the first open sieve tube, a second open structure and a deep sleeve arranged in the second open structure; the top of the shallow casing extends out of the wellhead, and the top of the deep casing extends out of the inner part of the shallow casing; the side wall of the shallow casing pipe, which is positioned outside the wellhead, is connected with a shallow water outlet pipe, and the top of the deep casing pipe is horizontally connected with a deep water outlet pipe; the shallow water outlet pipe is connected with a pressure gauge, a drainage switch, a pollution discharge switch, a filter screen and a high-pressure water meter along the water outlet direction; the deep water outlet pipe is connected with a pressure gauge, a drainage switch, a pollution discharge switch, a filter screen and a high-pressure water meter along the water outlet direction.
The device can effectively solve the colliery and make the water gauge card bad in the experiment of lowering water in the pit, and the technical problem that can't survey for a long time.
After the well is completed at the water discharge test well mouth, a deep/shallow water outlet pipe and various devices on the deep/shallow water outlet pipe are installed, underground water respectively enters the shallow water outlet pipe and the deep water outlet pipe through the shallow sleeve pipe and the deep sleeve pipe and sequentially passes through a pressure gauge and a filter screen, water enters the high-pressure water meter to measure the flow, after the water discharge is finished, a sewage discharge switch is opened, and impurities are discharged out of a pipeline through a sewage discharge pipe connected with the sewage discharge switch.
Furthermore, the shallow sleeve is connected with the shallow water outlet pipe through a screw thread; the drainage switch is connected with the shallow water outlet pipe by screw threads; the high-pressure water meter is connected with the shallow water outlet pipe through a screw thread; the deep sleeve is connected with the deep water outlet pipe through a screw thread; the drainage switch is connected with the deep water outlet pipe by screw threads. The filter screen is obliquely arranged inside the pipe, and the impurities in the water are blocked and discharged through the sewage discharge switch.
Shallow layer water outlet pipe and deep layer water outlet pipe pass through the screw thread and connect on the well head, and are simple, practical, firm, reliable, economy has improved the test efficiency that drains.
Drawings
FIG. 1 is a schematic diagram of a structure for long-term observation of connectivity of underground strata of a coal mine.
1-one-opening structure, 2-one-opening sieve tube, 3-shallow sleeve, 4-two-opening structure, 5-deep sleeve, 6-shallow water outlet tube, 7-deep water outlet tube, 8-pressure gauge, 9-drainage switch, 10-pollution discharge switch, 11-filter screen, 12-high-pressure water meter, 13-sandstone, 14-limestone.
Detailed Description
Example 1
A coal mine underground stratum connectivity long-term observation structure comprises an open structure 1, a first open sieve tube 2, a shallow sleeve 3, a second open structure 4 and a deep sleeve 5, wherein the first open sieve tube 2 is arranged in the open structure 1 in a descending mode, the shallow sleeve 3 is connected to the top of the first open sieve tube 2, and the deep sleeve 5 is arranged in the second open structure 4 in a descending mode; the top of the shallow casing 3 extends out of a well mouth, and the deep casing 5 extends out of the shallow casing 3; the side wall outside the wellhead of the shallow casing 3 is connected with a shallow water outlet pipe 6, and the top of the deep casing 5 is horizontally connected with a deep water outlet pipe 7; the shallow water outlet pipe 6 is respectively connected with a pressure gauge 8, a drainage switch 9, a pollution discharge switch 10, a filter screen 11 and a high-pressure water meter 12 along the water outlet direction; the deep water outlet pipe 7 is connected with a pressure gauge 8, a drainage switch 9, a pollution discharge switch 10, a filter screen 11 and a high-pressure water meter 12 along the water outlet direction.
Example 2
The filter screen 11 is obliquely arranged in the deep and shallow water outlet pipes from top to bottom along the water outlet direction, and the sewage discharge switch 10 is positioned below the filter screen 11; the filter screen 11 is obliquely arranged in the inner wall of a section of pipe, and two ends of the section of pipe are connected with shallow/deep water outlet pipes at two ends through threads; the blow-down switch 10 is connected below the section of pipe, so that impurities can be conveniently discharged.
Example 3
The deep water outlet pipe 7 is in an inverted L shape, the vertical section of the inverted L shape is arranged at the top of the deep sleeve 5, and the pressure gauge 8, the drainage switch 9, the pollution discharge switch 10, the filter screen 11 and the high-pressure water meter 1 are arranged on the horizontal section of the inverted L shape.
Example 4
The side wall of the shallow sleeve 3 is provided with a hole, a thread is arranged in the hole, and the shallow sleeve 3 and the shallow water outlet pipe 6 are connected by a screw thread and sealed; the side walls of the shallow water outlet pipe 6 are respectively provided with a hole, a thread is arranged in the hole, and the drainage switch 9 is connected with the shallow water outlet pipe 6 by a screw thread; the high-pressure water meter 12 is connected with the shallow water outlet pipe 6 through a screw thread; the deep sleeve 5 is connected with a deep water outlet pipe 7 by screw threads; the drainage switch 9 is connected with the deep water outlet pipe 7 by screw threads.
For making the utility model discloses the technological means, creation characteristic, achievement purpose and efficiency that realize are easily understood and are known, combine specific implementation below, further explain the utility model discloses:
in order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a first opening structure, a first opening sleeve, a first opening sieve tube, a second opening aperture, a second opening sleeve, sandstone, limestone, a shallow layer sleeve (namely the first opening sleeve), a deep layer sleeve (namely the second opening sleeve), a deep layer water outlet pipe, a shallow layer water outlet pipe, a pressure gauge, a switch, a filter screen, a pollution discharge switch and a high-pressure water meter.
Furthermore, the first-mentioned drill bit is used for drilling to 5m below the sandstone layer by 311mm drill bit, and then the 10m215.9mm sieve tube is put in, and the 215.9mm shallow casing tube is placed on the above-mentioned sand, so that the well is not fixed.
Furthermore, the second opening adopts a 150mm drill bit to drill to 10m of limestone, and a 108mm deep sleeve is arranged in the second opening.
The working principle is as follows: firstly, drilling a 311mm drill bit to 5m below a sandstone layer, putting a 10m215.9mm sieve tube, connecting a 215.9mm shallow casing on the sieve tube, and cementing no well; secondly, drilling a 150mm drill bit to 10m of the limestone, putting a 108mm deep casing pipe in, cementing the well to about 10m of the limestone, and then flushing a lower cement layer by using high-pressure water after the cementing is finished; a shallow water outlet pipe is arranged at the wellhead, shallow water flows from the annulus (shallow sleeve) to the ground surface, the shallow water outlet pipe is arranged, and water in the middle pipeline (deep sleeve) flows from deep water to the deep water outlet pipeline; when the water outlet pipe of the water outlet pipeline is closed, the pressure is displayed, after the water outlet switch is opened, water flows to the filter screen along the pipeline, and the filtered water passes through the high-pressure water meter to measure the reading. The filter screen filters solid particles and discharges the solid particles through a sewage discharge switch.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (6)
1. A long-term observation structure for underground coal mine stratum connectivity comprises an open structure (1), a first open sieve tube (2) which is arranged in the open structure (1) in a descending mode, a shallow sleeve (3) which is connected to the top of the first open sieve tube (2), a second open structure (4) and a deep sleeve (5) which is arranged in the second open structure (4) in a descending mode; the top of the shallow casing (3) extends out of a well mouth, and the top of the deep casing (5) extends out of the shallow casing (3); the side wall of the shallow casing pipe (3) positioned outside the wellhead is connected with a shallow water outlet pipe (6), and the top of the deep casing pipe (5) is horizontally connected with a deep water outlet pipe (7); a pressure gauge (8), a drainage switch (9), a pollution discharge switch (10), a filter screen (11) and a high-pressure water meter (12) are respectively connected to the shallow water outlet pipe (6) along the water outlet direction; the deep water outlet pipe (7) is respectively connected with a pressure gauge (8), a drainage switch (9), a pollution discharge switch (10), a filter screen (11) and a high-pressure water meter (12) along the water outlet direction.
2. The long-term observation structure for the connectivity of the underground strata of the coal mine according to claim 1, wherein the filter screen (11) is obliquely installed in the deep and shallow water outlet pipes from top to bottom along the water outlet direction, and the sewage discharge switch (10) is positioned below the filter screen (11).
3. The long-term observation structure for the connectivity of the underground strata of the coal mine according to claim 2, wherein the filter screen (11) is obliquely installed in the inner wall of a section of pipe, and two ends of the section of pipe are connected with shallow/deep water outlet pipes at two ends through threads; the blowdown switch (10) is connected below the section of pipe.
4. The long-term observation structure for the connectivity of the underground strata of the coal mine as claimed in claim 1, wherein the deep water outlet pipe (7) is in an inverted L shape, the vertical section of the inverted L shape is installed at the top of the deep casing pipe (5), and the pressure gauge (8), the drainage switch (9), the pollution discharge switch (10), the filter screen (11) and the high-pressure water meter (12) are installed on the horizontal section of the inverted L shape.
5. The long-term observation structure for the connectivity of the underground strata of the coal mine according to any one of claims 1 to 4, characterized in that the shallow sleeve (3) is connected with the shallow water outlet pipe (6) by screw threads; the drainage switch (9) is connected with the shallow water outlet pipe (6) by screw threads; the high-pressure water meter (12) is connected with the shallow water outlet pipe (6) through a screw thread; the deep sleeve (5) is connected with a deep water outlet pipe (7) by screw threads; the drainage switch (9) is connected with the deep water outlet pipe (7) by screw threads.
6. The long-term observation structure of the connectivity of the underground strata of the coal mine according to any one of claims 1 to 4, characterized in that an open structure (1) is drilled to 5m below the sandstone stratum by adopting a 311mm drill bit, a 10m215.9mm sieve tube is arranged in the underground strata, a 215.9mm shallow sleeve is connected above the sieve tube, and the underground strata are not fixed with well;
the secondary opening structure (4) adopts a 150mm drill bit to drill to 10m of limestone, a 108mm deep sleeve is put to the bottom, and cement is cemented to 20m of the limestone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221139641.1U CN217380530U (en) | 2022-05-13 | 2022-05-13 | Structure is surveyd for a long time to colliery underground stratum connectivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221139641.1U CN217380530U (en) | 2022-05-13 | 2022-05-13 | Structure is surveyd for a long time to colliery underground stratum connectivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217380530U true CN217380530U (en) | 2022-09-06 |
Family
ID=83086648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221139641.1U Active CN217380530U (en) | 2022-05-13 | 2022-05-13 | Structure is surveyd for a long time to colliery underground stratum connectivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217380530U (en) |
-
2022
- 2022-05-13 CN CN202221139641.1U patent/CN217380530U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018214659A1 (en) | Novel process for controlling downhole gas in abandoned mine | |
| CN103603689B (en) | Curtain grouting construction method for treating mined-out areas | |
| CN110439029B (en) | Double-aquifer monitoring well device and construction method thereof | |
| CN107795303B (en) | Gravel pack simulation system and method in hydrate exploitation well pipe | |
| CN104594327B (en) | A kind of Ground Water Pumping during Excavation Bao Quan recharges integrated apparatus | |
| CN105625483B (en) | A kind of underground engineering hydraulic pressure control method | |
| CN109356181A (en) | A kind of deep basal pit mixing dewatering well for multilayer aquifer system design | |
| CN112814737B (en) | Collapse column advanced treatment method and system based on laminated multi-branch horizontal well | |
| CN107130918A (en) | Dam Heavy Curtain Grouting impact pore-forming construction method | |
| CN105672370B (en) | A kind of underground engineering water pressure control system | |
| CN109138904A (en) | Twin packer delamination pour slurry antipriming and its application method | |
| CN217380530U (en) | Structure is surveyd for a long time to colliery underground stratum connectivity | |
| CN112360368B (en) | Oil well water plugging method | |
| CN112814615A (en) | Underground geological structure area forward drilling hole grouting sealing method | |
| CN112523170A (en) | Seepage-proofing treatment method for deep-buried karst seepage channel of reservoir | |
| CN106968664A (en) | A kind of floor undulation destruction band deep drilling water filling detection method | |
| CN114622874B (en) | Method for removing blockage and increasing yield of coal bed gas development well injection liquid carbon dioxide | |
| CN110847850B (en) | Underground high-pressure-bearing large-flow out-of-control hydrological drilling plugging system and method | |
| CN209510288U (en) | A kind of underground coal mine water guide borehole sealing device | |
| CN204435350U (en) | A kind of Ground Water Pumping during Excavation Bao Quan recharges integrated apparatus | |
| CN208395840U (en) | A kind of preventative water draw-off of basement sump | |
| CN209277931U (en) | A kind of this coal bed gas extraction of underground coal mine drilling integrated apparatus | |
| CN105241502B (en) | The aqueous coal-bed gas parametric measurement device of running balancing | |
| CN111236247A (en) | Rotary-jet-technology-based underground excavation PBA construction method for tunnel waterproof curtain | |
| CN105804155B (en) | A kind of method of Arid＆semi-arid area influent well water intaking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231107 Address after: 030006 No.170, Jinyang street, Xiaodian District, Taiyuan City, Shanxi Province Patentee after: Shanxi coal geological exploration and Research Institute Co.,Ltd. Address before: 030006 No.170, Jinyang street, Taiyuan City, Shanxi Province Patentee before: SHANXI COAL GEOLOGY SURVEYS Research Institute |