CN217582236U - Water retaining dam for mine water - Google Patents
Water retaining dam for mine water Download PDFInfo
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- CN217582236U CN217582236U CN202221814313.7U CN202221814313U CN217582236U CN 217582236 U CN217582236 U CN 217582236U CN 202221814313 U CN202221814313 U CN 202221814313U CN 217582236 U CN217582236 U CN 217582236U
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Abstract
The utility model provides a mine water retaining dam, mine water retaining dam include the dam body, and the dam body includes the end face of meeting water side, the end face of backing water side and is located the shutoff lateral wall between end face of meeting water side and the end face of backing water side, and the shutoff lateral wall extends and laminates mutually with the country rock along the circumference of dam body, and the shutoff lateral wall is provided with the annular arch, and the annular arch extends along the circumference of dam body. Through the technical scheme that this application provided, can solve the problem that the dam in the correlation technique can't satisfy user demand.
Description
Technical Field
The utility model relates to a water resource protection technical field particularly, relates to a pit water retaining dam.
Background
The mine water is a precious water resource, and the mine water in the coal mining process can be stored in a goaf and a roadway formed by underground coal mining, an underground reservoir is built, and meanwhile, engineering measures are assisted, so that the water resource is filtered and purified underground, and the water resource can be utilized.
In the related art, a water retaining structure is built in a roadway to regulate and control the storage and discharge of stored liquid. Particularly, in underground storage engineering of high-salinity mine water coal mines, the stress condition of the retaining dam is complex, the retaining dam is under the action of water pressure, and meanwhile, rock strata can impact the dam body due to the fact that the retaining dam is in direct contact with surrounding rocks.
In the related art, the dam is mostly a straight wall type, and the water pressure resistance and the structural load capacity thereof need to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pit water retaining dam to the retaining dam who solves among the correlation technique can't satisfy user demand's problem.
The utility model provides a mine water retaining dam, mine water retaining dam include the dam body, and the dam body includes the end face of the side of meeting water, the end face of the side of the water back and is located the shutoff lateral wall between end face of the side of meeting water and the end face of the side of the water back, and the shutoff lateral wall extends and laminates mutually with the country rock along the circumference of dam body, and the shutoff lateral wall is provided with the annular arch, and the annular arch extends along the circumference of dam body.
Further, in the direction that the water side end surface points to the water side end surface, the cross-sectional shape of the annular bulge is sawtooth-shaped.
Furthermore, a plurality of annular bulges are arranged on the side wall of the blocking piece at intervals in the direction from the water side end surface to the water side end surface.
Furthermore, the end surface of the water-facing side and the end surface of the water-backing side both comprise planes; and/or, in the direction from top to bottom, the longitudinal section of the dam body comprises an arc-shaped surface and a square surface positioned below the arc-shaped surface.
Furthermore, the mine water retaining dam further comprises a plurality of grouting pipes, one ends of the grouting pipes are inserted into the blocking side wall, the other ends of the grouting pipes are inserted into the surrounding rock, and the grouting pipes are provided with grouting holes penetrating through the side walls of the grouting pipes.
Further, the mine water retaining dam comprises a plurality of dam bodies arranged at intervals along the extending direction of the roadway.
Further, the mine water retaining dam also comprises an anti-corrosion coating coated on the end face of the water side and the end face of the water side.
Further, the corrosion prevention coating layer includes a resin coating layer.
Furthermore, the mine water retaining dam also comprises a water conveying pipe penetrating through the dam body, and a water conveying valve and a water conveying pump which are arranged on the water conveying pipe, wherein two ends of the water conveying pipe respectively penetrate through the end face of the water side and the end face of the water side.
The mine water retaining dam further comprises a mine water monitor, a surrounding rock monitor and a monitoring box, wherein the mine water monitor and the surrounding rock monitor are in signal connection with the monitoring box, the mine water monitor is arranged on the end face of the water side, the surrounding rock monitor is arranged on the surrounding rock, far away from the end face of the water side, of the end face of the water side, and the monitoring box is arranged on the surrounding rock, far away from the end face of the water side, of the end face of the water side.
Use the technical scheme of the utility model, pour mine water retaining dam in collecting space area and tunnel, mine water retaining dam includes the dam body, make shutoff lateral wall and country rock between headwater side end face and the leeward side end face laminate mutually, and then block mine water in the tunnel of headwater side end face one side through the dam body, it is protruding through setting up the annular on the shutoff lateral wall, and make the protruding circumference along the dam body of annular extend, and then can increase the area of contact between dam body and the country rock, and utilize annular arch and country rock to cooperate and form limiting displacement to the dam body, thereby can make the dam body bear bigger water pressure when forming to block the mine water, have bigger bearing capacity, can satisfy the user demand.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a cross-sectional view of a mine water retaining dam provided by an embodiment of the invention;
fig. 2 shows a cross-sectional view of a dam body of a mine water retaining dam provided by an embodiment of the invention.
Wherein the figures include the following reference numerals:
10. a dam body; 11. the water side end face; 12. a backwater side end face; 13. plugging the side wall; 131. an annular projection;
20. a grouting pipe;
30. an anti-corrosion coating;
40. a water delivery pipe;
50. a mine water monitor; 51. a surrounding rock monitor; 52. a monitoring box;
60. and (7) surrounding rocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the embodiment of the utility model provides a mine water retaining dam, mine water retaining dam include the dam body 10, and the dam body 10 includes meeting water side end face 11, back of the body lateral surface 12 and is located the shutoff lateral wall 13 between meeting water side end face 11 and the back of the body lateral surface 12, and shutoff lateral wall 13 extends and laminates mutually with country rock 60 along the circumference of dam body 10, and shutoff lateral wall 13 is provided with annular bulge 131, and annular bulge 131 extends along the circumference of dam body 10.
Use the technical scheme of the utility model, pour mine water retaining dam in collecting space area and tunnel, mine water retaining dam includes dam body 10, make shutoff lateral wall 13 between water side end face 11 and the terminal surface 12 of the back of the body of water laminate with country rock 60 mutually, and then block mine water in the tunnel of water side end face 11 one side through dam body 10, through set up annular arch 131 on shutoff lateral wall 13, and make annular arch 131 extend along the circumference of dam body 10, and then can increase the area of contact between dam body 10 and the country rock 60, and utilize annular arch 131 and country rock 60 to cooperate and form limiting displacement to dam body 10, thereby can make dam body 10 bear bigger water pressure when forming to block mine water, have bigger bearing capacity, can satisfy user demand.
In this embodiment, the dam body 10 is made of two materials, i.e., concrete and steel bars, and the concrete material has good strength and anti-seepage performance, and the steel bars have good strength and corrosion resistance.
It should be noted that, because the retaining dam in the related art includes an artificial retaining dam and a coal pillar retaining dam, the usage scenario of the artificial retaining dam is limited, and the artificial retaining dam must be used in cooperation with the coal pillar retaining dam in the goaf or the roadway. The mine water retaining dam provided by the embodiment can be used independently, and can also be used in cooperation with a coal pillar retaining dam, so that the application scenes of the mine water retaining dam are increased.
As shown in fig. 1, the annular projection 131 has a saw-toothed cross-sectional shape in a direction in which the water-facing side end surface 11 is directed toward the backwater side end surface 12. The dam body 10 adopting the structure can utilize the zigzag annular protrusions 131 to be matched with the surrounding rocks 60 to form a limiting effect, and the surrounding rocks 60 can be effectively combined with the dam body 10.
In the present embodiment, the blocking sidewall 13 is provided with a plurality of annular protrusions 131 at intervals in a direction in which the water-facing side end surface 11 is directed to the backwater side end surface 12. By arranging the plurality of annular protrusions 131, the contact area between the dam body 10 and the surrounding rocks 60 can be further increased, and the limit effect of the cooperation of the annular protrusions 131 and the surrounding rocks 60 on the dam body 10 is enhanced.
As shown in fig. 1, the water-facing side end surface 11 and the water-backing side end surface 12 both include a plane, and the water-facing side end surface 11 and the water-backing side end surface 12 are both configured as planes, which has an advantage of being convenient for casting.
In other embodiments, the water-facing side end surface 11 and the water-backing side end surface 12 can also be provided as an arch surface protruding towards the roadway to further increase the bearing capacity of the dam 10.
Specifically, as shown in fig. 2, in the direction from top to bottom, the longitudinal section of the dam 10 includes an arc-shaped surface and a square-shaped surface located below the arc-shaped surface. The dam body 10 adopting the structure can be matched with the shapes of the coal top plate, the coal bottom plate and the side wall of the roadway, and the binding force between the dam body 10 and the surrounding rock 60 is further facilitated.
As shown in fig. 1, the mine water retaining dam further includes a plurality of grouting pipes 20, one ends of the plurality of grouting pipes 20 are inserted into the blocking sidewall 13, the other ends of the plurality of grouting pipes 20 are inserted into the surrounding rock 60, and the grouting pipes 20 have grouting holes penetrating through the sidewalls thereof. By using the grouting pipe 20, cement slurry can be injected between the dam body 10 and the surrounding rock 60, and the sealing effect is formed by the cement slurry, so that the blocking effect of the dam body 10 is enhanced.
In this embodiment, cement slurry can be formed between both the plugging sidewall 13 and the surrounding rock 60, and also between the gaps of the surrounding rock 60 to reinforce the structural strength of the surrounding rock 60.
Note that the grouting pipes 20 are disposed between the surrounding rock 60 and the plugging side wall 13 along the circumferential direction of the dam body 10, and are radially arranged on the surrounding rock 60.
Specifically, the mine water retaining dam comprises a plurality of dam bodies 10 which are arranged at intervals along the extending direction of a roadway. The mine water retaining dam adopting the structure can increase the blocking area of the mine water so as to form a larger retaining dam and store more mine water.
As shown in fig. 1, the mine water retaining dam further comprises an anticorrosive coating 30 coated on the water-facing side end surface 11 and the backwater side end surface 12. The anticorrosive coating 30 can prevent mine water from directly contacting the dam 10, so that the mine water is prevented from corroding the dam 10.
In this embodiment, since the mine water is a water resource with high salinity and has a high salt content, the dam body 10 can be corroded, and the anticorrosive coating 30 can be used to form a barrier effect.
Specifically, the corrosion prevention coating 30 includes a resin coating. The resin coating has the advantage of low cost.
As shown in fig. 1, the mine water retaining dam further includes a water pipe 40 penetrating through the dam body 10, and a water delivery valve and a water delivery pump disposed on the water pipe 40, wherein two ends of the water pipe 40 respectively penetrate through the water-facing side end surface 11 and the water-backing side end surface 12. The water conveying pipe 40 can convert mine water between the water-facing side and the back water side, migration of the high-salinity mine water is achieved, and the high-salinity mine water can be injected into a water-facing side storage area from the back water side or discharged into a back water side space from the water-facing side according to engineering movement requirements.
As shown in fig. 1, the mine water dam further comprises a mine water monitor 50, a surrounding rock monitor 51 and a monitoring box 52, wherein the mine water monitor 50 and the surrounding rock monitor 51 are in signal connection with the monitoring box 52, the mine water monitor 50 is arranged on the water-facing side end face 11, the surrounding rock monitor 51 is arranged on a surrounding rock 60 of the water-facing side end face 11 far away from the water-facing side end face 12, and the monitoring box 52 is arranged on a surrounding rock 60 of the water-facing side end face 12 far away from the water-facing side end face 11. The mine water monitor 50 can be used for monitoring pressure water-filling or water quality parameters of mine water, the surrounding rock monitor 51 can be used for monitoring mechanical or vibration parameters of surrounding rocks, and the monitoring box 52 can be used for collecting and analyzing monitoring signals of the mine water monitor 50 and the surrounding rock monitor 51, feeding back and early warning in real time, so that the safe and efficient operation and maintenance of the mine water retaining dam are facilitated.
In the present embodiment, the mine water monitor 50 and the surrounding rock monitor 51 both use corrosion-resistant sensor probes.
The mine water retaining dam provided by the embodiment can be used for effectively sealing and blocking the underground high-salinity mine water storage of a coal mine, the construction level and service performance of the existing retaining structure can be enhanced, the structure can be subjected to template construction operation, the application and popularization of similar demonstration engineering are facilitated, and the construction tasks related to the underground water quality-based utilization and sealing of the high-salinity mine can be better completed.
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 application. 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.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The mine water retaining dam is characterized by comprising a dam body (10), wherein the dam body (10) comprises a water-facing side end face (11), a water-backing side end face (12) and a blocking side wall (13) located between the water-facing side end face (11) and the water-backing side end face (12), the blocking side wall (13) extends along the circumferential direction of the dam body (10) and is attached to a surrounding rock (60), an annular bulge (131) is arranged on the blocking side wall (13), and the annular bulge (131) extends along the circumferential direction of the dam body (10).
2. The mine water dam according to claim 1, characterized in that the cross-sectional shape of the annular projection (131) is saw-toothed in the direction in which the water-facing side end face (11) points towards the water-backing side end face (12).
3. The mine water dam according to claim 1, characterized in that the blocking side wall (13) is provided with a plurality of annular protrusions (131) at intervals in the direction in which the water-facing side end face (11) points to the water-backing side end face (12).
4. The mine water dam according to claim 1,
the water-facing side end face (11) and the water-backing side end face (12) both comprise planes; and/or the presence of a gas in the gas,
in the direction from top to bottom, the longitudinal section of dam (10) includes the arcwall face and is located the square face of arcwall face below.
5. The mine water retaining dam according to claim 1, characterized in that the mine water retaining dam further comprises a plurality of grouting pipes (20), one ends of the plurality of grouting pipes (20) are inserted into the blocking side wall (13), the other ends of the plurality of grouting pipes (20) are inserted into the surrounding rock (60), and the grouting pipes (20) have grouting holes penetrating through the side walls thereof.
6. The mine water retaining dam according to claim 1, characterized in that it comprises a plurality of said dams (10) spaced apart along the extension of the roadway.
7. The mine water dam according to claim 1, further comprising an anti-corrosive coating (30) coated on the water-facing side end face (11) and the water-backing side end face (12).
8. The mine water dam according to claim 7, characterized in that said anti-corrosion coating (30) comprises a resin coating.
9. The mine water retaining dam according to claim 1, characterized in that the mine water retaining dam further comprises a water conveying pipe (40) penetrating through the dam body (10), and a water conveying valve and a water conveying pump arranged on the water conveying pipe (40), wherein two ends of the water conveying pipe (40) respectively penetrate through the water-facing side end face (11) and the water-backing side end face (12).
10. The mine water dam according to claim 1, further comprising a mine water monitor (50), a surrounding rock monitor (51) and a monitoring box (52), wherein the mine water monitor (50) and the surrounding rock monitor (51) are in signal connection with the monitoring box (52), the mine water monitor (50) is arranged on the water-facing side end face (11), the surrounding rock monitor (51) is arranged on a surrounding rock (60) of the water-facing side end face (11) far away from the water-facing side end face (12), and the monitoring box (52) is arranged on a surrounding rock (60) of the water-facing side end face (12) far away from the water-facing side end face (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814313.7U CN217582236U (en) | 2022-07-14 | 2022-07-14 | Water retaining dam for mine water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814313.7U CN217582236U (en) | 2022-07-14 | 2022-07-14 | Water retaining dam for mine water |
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| CN217582236U true CN217582236U (en) | 2022-10-14 |
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| CN202221814313.7U Active CN217582236U (en) | 2022-07-14 | 2022-07-14 | Water retaining dam for mine water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291717A (en) * | 2023-02-22 | 2023-06-23 | 徐州中矿岩土技术股份有限公司 | Tunnel gas storage tail end plugging structure and construction method |
-
2022
- 2022-07-14 CN CN202221814313.7U patent/CN217582236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291717A (en) * | 2023-02-22 | 2023-06-23 | 徐州中矿岩土技术股份有限公司 | Tunnel gas storage tail end plugging structure and construction method |
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