CN212774406U - Strip mine side residual water drainage device - Google Patents
Strip mine side residual water drainage device Download PDFInfo
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- CN212774406U CN212774406U CN202020777441.3U CN202020777441U CN212774406U CN 212774406 U CN212774406 U CN 212774406U CN 202020777441 U CN202020777441 U CN 202020777441U CN 212774406 U CN212774406 U CN 212774406U
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Abstract
The utility model discloses a strip mine side residual water drainage device, which comprises a drill bit, a sleeve and a water filter pipe with a hole on the surface, wherein the drill bit drills from the slope surface of a flat disc to the obliquely upper side at a preset elevation angle in the working process of a drilling machine, and the sleeve extends to an underground aquifer along with the drilling of the drill bit; the one end of violently managing of strainer runs through the flat bank domatic, and the other end of violently managing extends to the aquifer along sheathed tube inner wall, and violently manages the other end and set up towards oblique top for the horizontal plane. The utility model discloses can be through the stable water barrier position trompil of the most weak water outlet point below each flat set is domatic, utilize the rig with the sleeve pipe with certain angle of elevation extend to the groundwater of aquifer concentrate the supply region, then with the drainage tube along the inside guide of sleeve pipe to aquifer, the drainage tube can retrieve the sleeve pipe after arranging finishing, the residual water of group can be followed predetermined drainage tube and discharged naturally, can realize well that the group is water controllable to excrete, reduce hidden danger such as the flat set collapse that the horizontal plate that groundwater washout caused.
Description
Technical Field
The utility model relates to a water, the slope of open-pit mining prevention and control are administered technical field, especially relate to a strip mine group residual water drainage device.
Background
In China, open pit coal mining has been developed for decades, and many enterprises are troubled by water damage prevention and slope stabilization which are incidentally generated while great economic benefits are brought. Because the open-pit mine forms the descending funnel, the underground water continuously supplies to the open-pit mine pit, the potential energy and the erosion capability are high, the underground water passes through the lower part of a flat plate formed by loose sand gravel and carries a large amount of mud sand to flow out, so that the lower part of the flat plate is eroded by water flow to form holes, even the flat plate collapses, roads are interrupted, and the flat plate can be seriously damaged in a short time.
The damage of the flat plate can generate great hidden danger for the vehicle running and the side slope stabilization, higher flat plate treatment and recovery cost can be generated, and the underground water carrying mudstone can also derive the environmental protection problem, so that the side slope water inrush is timely and effectively controlled, the damage of the underground water to the loose rock flat plate is avoided, and the obvious effect on the stable and safe production of the side slope of the strip mine is achieved.
In order to avoid the problem, it is currently effective to fill the unconsolidated layer with a material having a flow-stopping effect by grouting or the like so as to block water flow, however, part of the groundwater (called residual water) which is left and is not blocked after the closure of the periphery of the strip mine still flows out along the highwall, and the erosion of the flat plate causes the hidden troubles of the collapse of the flat plate.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, the utility model provides an open-pit mine limit helps residual water drainage device can make the groundwater erosion condition that the step flat disc that loose sand gravel constitutes received improve to avoid groundwater erosion flat disc to lead to collapse and phenomenon such as road interruption as far as possible.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a strip mine side residual water drainage device comprises a drill bit, a sleeve and a water filter pipe with an opening on the surface, wherein the drill bit is used for drilling from a flat disc slope surface to an obliquely upper side at a preset elevation angle in the working process of a drilling machine, and the sleeve is used for extending to an underground aquifer along with the drilling of the drill bit; the strainer includes that radial dimension is less than sheathed tube violently manages, violently manage one end run through the flat bed is domatic, violently manage the other end edge sheathed tube inner wall extends to the aquifer, just violently manage the other end for the horizontal plane upwards to one side sets up.
In one embodiment, the strip highwall residual water drainage device further comprises a removal mechanism for removing the casing after the other end of the transverse tube extends to the aquifer.
In one embodiment, the cross pipes extend to an aquifer below a plurality of flat pans with different altitudes.
In one embodiment, the transverse tube is formed by connecting a plurality of sub-tubes through screw threads.
In one embodiment, the water filter pipe is further wrapped with a sand filter screen, and the sand filter screen covers the water filter pore channels on the surface of the water filter pipe.
As one embodiment, the strainer further includes a plurality of vertical pipes respectively penetrating through the flat discs, and a bottom end of each vertical pipe extends to be communicated with the horizontal pipe.
As one embodiment, the strainer further comprises a plurality of blades disposed in the strainer, and the blades are rotatably disposed along a central axis of the strainer.
As one embodiment, the inner wall of the strainer is provided with a spiral groove, and the spiral groove is spirally arranged around the circumference of the strainer and extends along the central axis direction of the strainer.
In one embodiment, the inner wall of the strainer is provided with a plurality of water-blocking sheets in a protruding manner, and the water-blocking sheets are arranged adjacent to the water filtering pore passage of the strainer and are arranged at the downstream of the water filtering pore passage.
In one embodiment, the free end of the water blocking sheet is inclined toward the upstream of the filter tube.
The utility model discloses can be through the stable water barrier position trompil of the most weak water outlet point below each flat set is domatic, utilize the rig with the sleeve pipe with certain angle of elevation extend to the groundwater of aquifer concentrate the supply region, then with the drainage tube along the inside guide of sleeve pipe to aquifer, the drainage tube can retrieve the sleeve pipe after arranging finishing, the residual water of group can be followed predetermined drainage tube and discharged naturally, can realize well that the group is water controllable to excrete, reduce hidden danger such as the flat set collapse that the horizontal plate that groundwater washout caused.
Drawings
Fig. 1 is a schematic view of the use state of a strip mine side residual water drainage device in embodiment 1 of the invention;
fig. 2 is a schematic cross-sectional view of an end structure of an open pit slope residual water drainage device according to embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional view of an end structure of an open pit slope residual water drainage device according to embodiment 2 of the present invention;
fig. 4 is a schematic cross-sectional view of an end structure of an open pit slope residual water drainage device according to embodiment 3 of the present invention;
fig. 5 is a schematic sectional view of an end structure of an open pit slope residual water drainage device according to embodiment 4 of the present invention.
The numbers in the figures illustrate the following:
1-a drill bit; 2-a sleeve; 3-a water filter pipe; 4-a sand screen; 30-blades; 31-horizontal tube; 32-a standpipe; 300-water filtration pore canals; 301-helical groove; 302-a water-blocking sheet; p-edge water gushing points; s-side wall; T0-Flat Panel; t1-layer of sand gravel; t2-mudstone; t3-gutter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, the fourth series of strata has a loose gravel layer T1 and a water-bearing mudstone layer T2, which are formed into a multistage stepped structure with an end face rib S and a top face, each stepped structure has a flat disc T0 with different heights at the top and a flat disc slope face at the side, and a water gushing point P of the rib is located at the junction of the gravel layer T1 and the mudstone layer T2 in the flat disc slope face.
The embodiment provides a residual water drainage device suitable for the side wall of a strip mine, which mainly comprises a drill bit 1, a sleeve 2 and a filter pipe 3 with an opening on the surface, wherein the drill bit 1 can be used for drilling from the slope surface of a flat disc to the obliquely upper direction at a preset elevation angle in the working process of a drilling machine, and the sleeve 2 can be used for extending to an underground aquifer along with the drilling of the drill bit 1; the drainpipe 3 comprises a transverse pipe 31 with a radial dimension smaller than that of the sleeve 2, one end of the transverse pipe 31 penetrates through the slope of the flat disc, the other end of the transverse pipe 31 extends to the aquifer along the inner wall of the sleeve 2, and the other end of the transverse pipe 31 is arranged towards the oblique upper side relative to the horizontal plane.
The strip highwall residual water drainage device also has a removal mechanism for removing the casing 2 after the other end of the cross tube 31 has extended to the aquifer. The extracting mechanism only needs to provide a force for extracting the casing upward, and for example, the effect of extracting the casing 2 from the ground is achieved, and for example, the extracting mechanism may be directly applied to the casing 2 to extract the casing upward, or may be extracted upward while rotating the casing 2 in the circumferential direction.
The horizontal pipe 31 extends to the aquifer below the plurality of pans having different altitudes, and therefore, the horizontal pipe 31 has a large length, and generally, the horizontal pipe 31 may be formed by connecting a plurality of sub-pipes by screw threads. As shown in fig. 2, in order to filter gravel, a sand filter 4 with dense meshes is further wrapped outside the strainer 3, and the sand filter 4 covers the water filtering pore channels 300 on the surface of the strainer 3, so that large-sized gravel and the like are prevented from entering the strainer 3 to cause blockage. The strainer 3 can be made of a metal pipe with high hardness and corrosion resistance, such as a steel pipe, and the sand screen 4 can be made of a nylon screen.
The method for conducting drainage by using the embodiment mainly comprises the following steps:
when the construction of the transverse pipe 31 is carried out, firstly, a hole is formed in a water-resisting layer below a mudstone layer T2 which is seriously influenced by underground water erosion and is at a water flow concentration position, a drill bit 1 is driven by a drilling machine to drill for forming the hole, a casing pipe 2 is arranged in the hole in the drilling process, and after the drill bit 1 drills to a target depth, the casing pipe 2 is arranged to a preset depth; then, wrap up sand screen 4 in violently pipe 31 outside, stretch into the target location with violently pipe 31 along the sleeve pipe 2 inboard, take out sleeve pipe 2 at last, can accomplish violently pipe 31's arrangement.
Because the drill drills from the flat slope to the obliquely upper direction at a preset elevation angle, the sleeve 2 also extends to the obliquely upper direction, the transverse pipe 31 also extends to the obliquely upper direction under the guidance of the sleeve, and water entering from the water filtering pore passage 300 on the pipe wall can naturally flow out from the lower flat slope side of the ground under the action of gravity.
It is to be understood that the method of arranging the casing 2 according to the present embodiment is not limited, and the drill bit 1 may be detachably connected to the casing 2 to bring the casing 2 in, or the casing 2 may be arranged after the hole is drilled.
In addition, the drainpipe 3 may further include a plurality of vertical pipes 32 respectively penetrating through the flat trays T0 in addition to the horizontal pipe 31, wherein a top end of each vertical pipe 32 penetrates through the surface of the flat tray T0, a bottom end of each vertical pipe 32 extends to be communicated with the horizontal pipe 31, and the vertical pipes 32 are preferably arranged perpendicular to the horizontal pipe 31.
The arrangement of the vertical tubes 32 is also guided by sleeves, in a similar way as the construction of the transverse tubes 31. Specifically, firstly, a drill is used for driving a drill bit 1 to drill on the surface of each flat plate T0 to form a hole, a sleeve 2 is arranged in the hole in the drilling process, and after the drill bit 1 drills to a target depth, the sleeve 2 is arranged to a preset depth (in butt contact with a transverse pipe 31); then, at standpipe 32 outside parcel sand screen 4, stretch into the target location with standpipe 32 along the inboard of sleeve pipe 2, with violently managing 31 butt joint, take out sleeve pipe 2 at last, can accomplish the arrangement of standpipe 32 to also introduce, assemble the water of top to violently managing 31 in. Thus, the residual water collected from each part is guided by the vertical pipe 32 and the horizontal pipe 31, finally flows out from the tail end of the horizontal pipe 31 on the flat disc slope surface, and is uniformly discharged into the lower water guiding gutter T3. The horizontal pipe is arranged in the direction approximately same as the groundwater supply direction and has a certain angle with the horizontal direction, and the vertical pipe is vertical to the ground. The present embodiment shows the case where the construction depth of the cross pipe is 18m and the depth of the vertical pipe is 10 m.
It can be understood that, in this embodiment, the number of the horizontal pipes 31 and the vertical pipes 32 is not limited, and may be adjusted according to the needs in the actual construction process.
Example 2
As shown in fig. 3, this embodiment is further improved on the basis of embodiment 1.
Considering that after long-term use, a large amount of impurities may be deposited on the sand screen 4 on the surface of the drainpipe 3 (especially on the surface of the horizontal pipe 31), which may cause blockage of the pipe and result in poor water discharge. The strainer 3 of this embodiment further includes a plurality of blades 30 disposed in the strainer 3, and these blades 30 are spaced along the central axis of the strainer 3 and are rotatably disposed along the central axis.
For example, the rotation shaft is fixed to the end of the strainer 3 along the central axis, and the blades 30 are rotatably mounted on the rotation shaft, so that the blades 30 can be pushed to rotate by the natural impulsive force of water entering from the filtering pores 300 on the surface of the strainer 3, and the impurities covering the surface of the sand filter 4 are pushed away by the ripple thrust generated during the rotation of the blades 30, thereby keeping the water flow smooth in real time. Preferably, the blades 30 are arranged obliquely with respect to the central axis, so that a smoother turning process can be achieved.
Example 3
As shown in fig. 4, this embodiment is further improved on the basis of embodiment 1.
Based on the same starting point as embodiment 2, the spiral groove 301 is provided in the inner wall of the strainer 3 of the present embodiment, and the spiral groove 301 is spirally provided around the circumference of the strainer 3 and extends along the central axis direction of the strainer 3. The spiral groove 301 is preferably an integrally formed continuous groove that extends through the entire length of the drainpipe 3.
When water flow from the upstream side (high terrain end) passes through the water filter pipe 3, the water flow interacts with the spiral groove 301 on the inner wall of the water filter pipe 3, so that the water flow generates larger impulsive force, the sand filter net 4 covered outside the water filter pore passage 300 is subjected to larger impulsive force, impurities covered on the surface of the sand filter net 4 are pushed away, and blockage is avoided.
Example 4
As shown in fig. 5, this embodiment is further improved on the basis of embodiment 1.
In this embodiment, a plurality of water blocking sheets 302 are convexly disposed on the inner wall of the water filtering pipe 3, and the water blocking sheets 302 are disposed adjacent to the water filtering pore 300 of the water filtering pipe 3 and downstream of the water filtering pore 300.
When the water flows through the strainer 3 from the upstream side (high-lying end), the water flows react with the water-blocking sheet 302 on the inner wall of the strainer 3, and the water-blocking sheet 302 guides a part of the water to the water-filtering openings 300 adjacent to the upstream side, thereby flushing the sand screen 4.
More preferably, by arranging the free end of the water blocking sheet 302 to be inclined toward the upstream of the water filtering pipe 3, the resistance of the water blocking sheet 302 can be further increased, and more water flow is guided to the flushing water filtering duct 300 and the sand filtering net 4.
It can be understood that the water blocking pieces 302 are axially arranged at intervals, and meanwhile, on the same cross section of the water filtering pipe 3, the water blocking pieces 302 can be arc-shaped pieces which are circumferentially arranged at intervals, so that the circumferentially arranged mode at intervals can be correspondingly arranged according to the positions of the water filtering pores 300, and the matched water blocking pieces 302 are arranged beside the corresponding water filtering pores 300. In other embodiments, a ring of annular water blocking ring sheets may be formed around the inner wall of the water filtering pipe 3, and the annular water blocking sheets 302 have better water blocking and water guiding effects.
It should also be understood that various modifications may be made to the embodiments disclosed herein. The disclosed embodiments are merely examples of the disclosure, which can be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as not to obscure the present disclosure with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure. For example, a plurality of the above-described embodiments may be combined with each other to achieve the mutual promoting effect. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.
To sum up, the utility model discloses can be through the stable water barrier position trompil below the domatic weakest water outlet point of each flat bed, utilize the rig with the sleeve pipe with certain angle of elevation extend to the groundwater of aquifer concentrate the supply region, then with the drainage pipe along the inside guide of sleeve pipe to aquifer, the drainage pipe can retrieve the sleeve pipe after arranging to finish, the residual water of group can be followed predetermined drainage pipe and discharged naturally, can realize well that the group is water controllable to excrete on the limit, reduce hidden danger such as the flat bed that the groundwater erosion flat bed caused collapses.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (10)
1. A strip mine side residual water drainage device is characterized by comprising a drill bit (1), a sleeve (2) and a water filter pipe (3) with an opening on the surface, wherein the drill bit (1) is used for drilling from a flat disc slope surface to an obliquely upper direction at a preset elevation angle in the working process of a drilling machine, and the sleeve (2) is used for extending to an underground aquifer along with the drilling of the drill bit (1); the strainer (3) comprises a transverse pipe (31) with a radial size smaller than that of the sleeve (2), one end of the transverse pipe (31) penetrates through the slope surface of the flat disc, the other end of the transverse pipe (31) extends to the aquifer along the inner wall of the sleeve (2), and the other end of the transverse pipe (31) is arranged obliquely upwards relative to the horizontal surface.
2. The strip mine highwall residual water drainage device according to claim 1, further comprising a removal mechanism for removing the casing (2) after the other end of the cross tube (31) has been extended to an aquifer.
3. The strip mine highwall residual water drainage device according to claim 1, characterized in that the transverse tubes (31) extend to the aquifer below a plurality of pans of different altitude.
4. The strip mine highwall residual water drainage device according to claim 3, characterized in that the transverse tube (31) is formed by a plurality of sub-tubes connected by screw threads.
5. The strip mine highwall residual water drainage device according to claim 3, wherein the strainer (3) is further wrapped with a sand screen (4), and the sand screen (4) covers the water filtering pores on the surface of the strainer (3).
6. The strip mine highwall residual water drainage device according to claim 5, wherein the strainer (3) further comprises a plurality of vertical pipes (32) respectively penetrating the flat pans, and a bottom end of each vertical pipe (32) is respectively extended to be communicated with the horizontal pipe (31).
7. The open pit highwall residual water drainage device according to claim 5 or 6, wherein the strainer (3) further comprises a plurality of blades (30) arranged in the strainer (3), the blades (30) being rotatably arranged along a central axis of the strainer (3).
8. The strip mine highwall residual water drainage device according to claim 5 or 6, wherein the inner wall of the strainer (3) is provided with a spiral groove (301), and the spiral groove (301) is spirally arranged around the circumference of the strainer (3) and extends along the central axis direction of the strainer (3).
9. The strip mine highwall residual water drainage device according to claim 5 or 6, wherein a plurality of water-blocking sheets (302) are convexly arranged on the inner wall of the strainer pipe (3), and the water-blocking sheets (302) are arranged adjacent to the water filtering pore passage of the strainer pipe (3) and are arranged at the downstream of the water filtering pore passage.
10. The strip highwall residual water drainage device according to claim 9, characterized in that the free end of the water-blocking sheet (302) is inclined towards the upstream of the strainer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020777441.3U CN212774406U (en) | 2020-05-12 | 2020-05-12 | Strip mine side residual water drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020777441.3U CN212774406U (en) | 2020-05-12 | 2020-05-12 | Strip mine side residual water drainage device |
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| Publication Number | Publication Date |
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| CN212774406U true CN212774406U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020777441.3U Active CN212774406U (en) | 2020-05-12 | 2020-05-12 | Strip mine side residual water drainage device |
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| CN (1) | CN212774406U (en) |
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- 2020-05-12 CN CN202020777441.3U patent/CN212774406U/en active Active
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