CN113202066A - Emergency device for reducing tailing leakage of tailing pond - Google Patents
Emergency device for reducing tailing leakage of tailing pond Download PDFInfo
- Publication number
- CN113202066A CN113202066A CN202110451257.9A CN202110451257A CN113202066A CN 113202066 A CN113202066 A CN 113202066A CN 202110451257 A CN202110451257 A CN 202110451257A CN 113202066 A CN113202066 A CN 113202066A
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- China
- Prior art keywords
- fixedly connected
- tailing
- sliding
- leakage
- reducing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/28—Vertical-lift gates with sliding gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
- E02B8/026—Cleaning devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses an emergency device for reducing tailing leakage of a tailing pond, which comprises two support columns, a dispatching chamber is fixedly connected between the two support columns, two first driving motors are fixedly connected in the dispatching chamber, threaded rods are respectively and fixedly connected with the two first driving motors, the threaded rods penetrate through the dispatching chamber and are in threaded connection with a gate, the gate is in sliding connection between the two support columns, two ends of the gate are respectively provided with a mounting cavity, two sliding blocks are in sliding connection in the mounting cavity, a sliding rod is fixedly connected between the two sliding blocks, a filter screen is arranged between the two mounting cavities, two ends of the filter screen are respectively and fixedly connected to the sliding blocks, fixed blocks are respectively and fixedly connected to the two support columns, push rods are fixedly connected to the fixed blocks, the gate rises when the threaded rods rotate, and therefore, the purpose of flood discharge is achieved, thereby the problem of tailing leakage in a tailing pond is reduced, and emergency and safe flood discharge is achieved.
Description
Technical Field
The invention relates to the technical field of emergency devices, in particular to an emergency device for reducing tailing leakage of a tailing pond.
Background
The tailing pond is a place which is formed by damming and intercepting a valley opening or surrounding land and is used for piling metal or nonmetal mines and discharging tailings or other industrial waste residues after ore sorting, and the tailing pond is an artificial debris flow danger source with high potential energy, so that dam breaking danger exists, and serious accidents are easily caused once the tailings are lost.
Therefore, when the tailings in the existing tailing pond intercept water flow, the river is rainy in summer, so that the tailing pond is easy to leak when the water level of a river channel is high, the problem of large downstream water potential and environmental pollution is influenced, and an emergency device for reducing the tailing leakage of the tailing pond is urgently needed under the conditions of over-standard water level early warning, flood discharge installation and pollution control.
Disclosure of Invention
The invention aims to solve the following defects in the prior art that the leakage accident of a tailing pond is easily caused when the water level of a river channel is high due to the fact that the river channel is large in rainy season in summer, so that the problems of large downstream water potential and environmental pollution are affected, and the emergency device for reducing the tailing leakage of the tailing pond is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
an emergency device for reducing tailing leakage of a tailing pond comprises two support columns, a dispatching chamber is fixedly connected between the two support columns, two first driving motors are fixedly connected in the dispatching chamber, a threaded rod is respectively and fixedly connected with the two first driving motors, the threaded rod penetrates through the dispatching chamber and is in threaded connection with a gate, the gate is in sliding connection between the two support columns, two installation cavities are respectively formed in two ends of the gate, two sliding blocks are in sliding connection in the installation cavities, a sliding rod is fixedly connected between the two sliding blocks, a filter screen is arranged between the two installation cavities, two ends of the filter screen are respectively and fixedly connected to the sliding blocks, fixed blocks are respectively and fixedly connected to the two support columns, push rods are fixedly connected to the fixed blocks, one ends, far away from the fixed blocks, of the push rods are arranged in the installation cavities, and monitoring parts are arranged in the dispatching chamber, and the two support columns are provided with collecting parts.
Preferably, the monitoring part comprises a control element, the control element is arranged in the dispatching room, a supporting rod is fixedly connected to the upper end of the dispatching room, a solar panel is fixedly connected to one end, far away from the dispatching room, of the supporting rod, an alarm is fixedly connected to the supporting rod, a water pressure measuring meter is fixedly connected to the gate, and the water pressure measuring meter is fixedly communicated with the control element.
Preferably, the collecting part comprises two collecting barrels, wherein second chutes are respectively formed in the supporting columns, the collecting barrels are respectively connected to the second chutes in a sliding mode, reciprocating screw rods are rotatably connected between the collecting barrels, blades are arranged in the collecting barrels, the blades are fixedly connected to the reciprocating screw rods, and shifting pieces are connected to the reciprocating screw rods in a threaded mode.
Preferably, the lower ends of the two collecting cylinders are fixedly connected with airbag cushions respectively.
Preferably, a first sliding groove is formed in one of the supporting columns, a moving block is connected in the first sliding groove in a sliding mode, a connecting rod is fixedly connected to the moving block, and a second driving motor is fixedly connected to one end, far away from the moving block, of the connecting rod.
Preferably, a second rotating wheel is fixedly connected to the second driving motor, a first rotating wheel is fixedly connected to one end, close to the second driving motor, of the reciprocating screw rod, and a belt is sleeved between the first rotating wheel and the second rotating wheel.
Preferably, a fixing rod is fixedly connected between the second driving motor and the collecting cylinder.
Preferably, sleeve shafts are respectively connected to the two sliding rods in a sliding mode, and the reciprocating screw rod is rotatably connected to the sleeve shafts.
Preferably, the sliding block located on the lower side is fixedly connected with a spring, and one end, far away from the sliding block, of the spring is fixedly connected to the installation cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. can monitor the water level through fixing the water pressure measuring meter on the gate, will surpass the setting value through the water level after high, spread into the control element with the signal in, reach the switch of alarm through control element, consequently reach warning prediction effect, it makes fixed connection's threaded rod rotate to rotate through opening two driving motor, because gate threaded connection is on two threaded rods, the gate slides between two support columns simultaneously, thereby reach the gate and rise when the threaded rod rotates, consequently, reach the purpose of flood discharge, thereby the problem of tailing storehouse tailing revealing has been reduced, reach emergent safe flood discharge simultaneously.
2. The slide block is pressed downwards by the push rod at the upper side when the gate rises, so that the filter screen moves downwards relative to the gate, therefore, the filter screen intercepts the floating objects on the water line while discharging the flood, thereby reducing the pollution problem caused by the floating objects flowing into the downstream, because the reciprocating screw rod and the collecting cylinder with two ends rotatably connected can move up and down, and the air bag cushion has buoyancy, half of the collecting cylinder can float on the upper side of the water level line, because the fixed rod is fixedly connected between the second driving motor and the collecting cylinder, when the collecting cylinder moves downwards, the second driving motor also moves downwards, therefore, when the second driving motor rotates, the reciprocating screw rod rotates, so that the poking sheet can reciprocate left and right, meanwhile, the floating objects on the water line can be cleaned to the two sides through the movement of the poking sheet.
3. Meanwhile, in the collecting cylinder, the blades are fixedly connected to the reciprocating screw rod, so that when the reciprocating screw rod rotates, the blades rotate simultaneously, the purpose that books can form a vortex shape is achieved, floaters pushed to the two sides by the poking piece are collected in the collecting cylinder, the purpose that temporary storage and collection are achieved, and the problem of pollution expansion can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of a front part of an emergency device for reducing tailing leakage of a tailing pond, which is provided by the invention;
fig. 2 is a schematic front structural diagram of an emergency device for reducing tailing leakage of a tailing pond according to the invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 2;
fig. 4 is a schematic structural diagram of a second driving motor of the emergency device for reducing tailing leakage of the tailing pond according to the invention.
In the figure: the device comprises a support column 1, a fixed block 2, a dispatching room 3, a first driving motor 4, a water pressure measuring meter 5, a supporting rod 6, a solar panel 7, an alarm 8, a control element 9, a threaded rod 10, a push rod 11, a gate 12, a sliding block 13, a filter screen 14, a second driving motor 15, a driving piece 16, a reciprocating screw rod 17, a first sliding chute 18, a second sliding chute 19, an airbag cushion 20, a collecting cylinder 21, a blade 22, a first rotating wheel 23, a belt 24, a second rotating wheel 25, a moving block 26, a connecting rod 27, a mounting cavity 28, a spring 29, a sliding rod 30, a fixing rod 31 and a sleeve shaft 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an emergency device for reducing tailing leakage of a tailing pond comprises two supporting columns 1, wherein the two supporting columns 1 are fixedly connected on the ground to achieve a fixing effect, a dispatching room 3 is fixedly connected between the two supporting columns 1, the dispatching room 3 can be used for workers to enter and turn on a power supply and a first driving motor 4, two first driving motors 4 are fixedly connected in the dispatching room 3, two first driving motors 4 are respectively and fixedly connected with a threaded rod 10, the threaded rod 10 penetrates through the dispatching room 3 and is in threaded connection with a gate 12, the gate 12 is in sliding connection between the two supporting columns 1, therefore, when the first driving motor 4 rotates, the gate 12 ascends and descends through rotation of the fixedly connected threaded rod 10, a flood discharge effect is achieved through ascending of the gate 12, mounting cavities 28 are respectively formed in two ends of the gate 12, and two sliding blocks 13 are in sliding connection in the mounting cavities 28, a sliding rod 30 is fixedly connected between the two sliding blocks 13, sleeve shafts 32 are respectively connected to the two sliding rods 30 in a sliding mode, and the reciprocating screw rod 17 is rotatably connected to the sleeve shafts 32, so that the supporting effect on the reciprocating screw rod 17 can be achieved, and the condition that the reciprocating screw rod 17 moves up and down can be provided.
The slide bar 30 can be fixedly connected with the upper slide block 13 and the lower slide block 13, the filter screen 14 is arranged between the two installation cavities 28, two ends of the filter screen 14 are respectively and fixedly connected with the slide blocks 13, so that two sides of the filter screen 14 are fixedly connected with the upper slide block 13 and the lower slide block 13, a fixing effect is achieved, the two support columns 1 are respectively and fixedly connected with the fixed blocks 2, the push rods 11 are fixedly connected with the fixed blocks 2, one ends of the push rods 11 far away from the fixed blocks 2 are arranged in the installation cavities 28, the slide blocks 13 are extruded by the push rods 11 on the upper side when the gate 12 rises, so that the two slide blocks 13 and the slide bars 30 move downwards and extrude the springs 29, as two ends of the filter screen 14 are respectively and fixedly connected with the slide blocks 13, the filter screen 14 moves downwards relative to the gate 12 and is positioned on a water level, half of the filter screen is positioned above the water level, and the other half of the filter screen 14 is positioned under the water level, so that floaters on the water level are intercepted by the filter screen 14, the slider 13 that is located the downside is fixedly connected with spring 29, and spring 29 keeps away from slider 13 one end fixed connection on installation cavity 28, therefore after the flood discharge, because the decline of gate 12 to reach the push rod 11 and not being in the extrusion to slider 13, consequently under the elasticity of spring 29, make slider 13 rise, reach filter screen 14 and gate 12 laminating and overlap, thereby reach the choked flow effect of gate 12.
A monitoring part is arranged in the dispatching chamber 3, the monitoring part comprises a control element 9, the control element 9 is arranged in the dispatching chamber 3, the upper end of the dispatching chamber 3 is fixedly connected with a supporting rod 6, one end of the supporting rod 6 far away from the dispatching chamber 3 is fixedly connected with a solar panel 7, the supporting rod 6 is fixedly connected with an alarm 8, a gate 12 is fixedly connected with a water pressure measuring meter 5, so that the water pressure measuring meter 5 is communicated with the control element 9, and the control element 9 is connected with the solar panel 7 and the alarm 8, so as to transmit signals to the control element 9 when the water level rises and the water pressure exceeds the set pressure of the water pressure measuring meter 5, the communication of the alarm 8 through the control element 9 is used for alarm indication, and the water pressure measuring meter 5 is fixedly communicated with the control element 9 (the connection of the water pressure measuring meter 5 and the control element 9 as well as the connection of the alarm 8 and the solar panel 7 are the prior art, and the explanation is not excessive again).
The two support columns 1 are respectively provided with a collecting part, the collecting part comprises two collecting cylinders 21, the lower ends of the two collecting cylinders 21 are respectively and fixedly connected with an airbag cushion 20, because the airbag cushion 20 has buoyancy, half of the collecting cylinders 21 can float on the upper side of a water level line, more favorable collection of water surface floaters can be achieved, meanwhile, the height of the collecting cylinders 21 can be achieved according to the height of the water level, after the water level descends, the collecting cylinders 21 descend along with the descending of the water level due to the buoyancy support of the airbag cushion 20, the two support columns 1 are respectively provided with a second chute 19, the two collecting cylinders 21 are respectively connected on the second chutes 19 in a sliding manner, so that the collecting cylinders 21 can have a space for moving up and down, the reciprocating screw rod 17 is rotatably connected between the two collecting cylinders 21, blades 22 are arranged in the collecting cylinders 21, and the blades 22 are fixedly connected on the reciprocating screw rod 17, threaded connection has the stirring piece 16 on the reciprocal lead screw 17, because threaded connection has the stirring piece 16 on the reciprocal lead screw 17, consequently when reciprocal lead screw 17 rotates, stirring piece 16 can reach left and right reciprocating motion, simultaneously can be with the floater on the water line through the motion of stirring piece 16, reach and clear up both sides with the floater on water, simultaneously because blade 22 fixed connection is on reciprocal lead screw 17, consequently when reciprocal lead screw 17 rotates, blade 22 rotates simultaneously, thereby reach and to make the book form vortex form, thereby in pushing away the floater of both sides with stirring piece 16 and collecting the collection section of thick bamboo 21, reach temporary storage.
One of the supporting columns 1 is provided with a first chute 18, a moving block 26 is connected in the first chute 18 in a sliding manner, a connecting rod 27 is fixedly connected to the moving block 26, one end of the connecting rod 27 far away from the moving block 26 is fixedly connected with a second driving motor 15, a second rotating wheel 25 is fixedly connected to the second driving motor 15, one end of the reciprocating screw rod 17 close to the second driving motor 15 is fixedly connected with a first rotating wheel 23, a belt 24 is sleeved between the first rotating wheel 23 and the second rotating wheel 25, a fixing rod 31 is fixedly connected between the second driving motor 15 and the collecting barrel 21, because the second driving motor 15 is fixedly connected to the collecting barrel 21 through the fixing rod 31, when the collecting barrel 21 descends, the second driving motor 15 slides in the first chute 18 through the connecting rod 27 and the moving block 26 which are fixedly connected, so as to descend along with the descending of the collecting barrel 21, and simultaneously, through the rotation of the second driving motor 15, the second rotating wheel 25 which is fixedly connected rotates, so that the first rotating wheel 23 and the reciprocating screw rod 17 which is fixedly connected rotate through the transmission of the sleeved belt 24.
According to the invention, when the water level rises and the water level pressure on the water pressure measuring meter 5 on the gate 12 is close to the highest set water pressure, a signal is transmitted to the control element 9 through the water pressure measuring meter 5, so that power is supplied through the solar panel 7, and the control element 9 is connected with the power supply to the alarm 8, so that the alarm indication of the alarm 8 is achieved, the worker is reminded to carry out flood discharge treatment, the fixedly connected threaded rods 10 are rotated by opening the two first driving motors 4, and the gate 12 is in threaded connection with the two threaded rods 10 and slides between the two support columns 1, so that the gate 12 rises when the threaded rods 10 rotate, and the flood discharge purpose is achieved.
The slide block 13 is extruded by the push rod 11 at the upper side while the gate 12 rises, thereby achieving that two slide blocks 13 and a slide rod 30 move downwards and extrude a spring 29, because two ends of the filter screen 14 are respectively and fixedly connected on the slide blocks 13, the filter screen 14 moves downwards relative to the gate 12 and is positioned on a water level line, thereby achieving that the filter screen 14 intercepts floaters on the water level line, thereby achieving the purpose of reducing the pollution problem of the floaters flowing into the downstream, meanwhile, because the slide rod 30 is connected with a sleeve shaft 32 in a sliding way, and the sleeve shaft 32 is connected on a reciprocating screw rod 17 in a rotating way, thereby achieving that the reciprocating screw rod 17 and a collecting cylinder 21 with two ends connected in a rotating way can move up and down, because the lower end of the collecting cylinder 21 is fixedly connected with an air bag cushion 20, because the air bag cushion 20 has buoyancy, thereby achieving that half of the collecting cylinder 21 floats on the upper side of the water level line, because a fixing rod 31 is fixedly connected between the second driving motor 15 and the collecting cylinder 21, therefore, when the collecting cylinder 21 moves downward, the second driving motor 15 also moves downward.
Meanwhile, the second driving motor 15 is opened to rotate, transmission through the belt 24 is achieved, rotation of the reciprocating screw rod 17 is achieved, the reciprocating screw rod 17 is connected with the poking piece 16 through threads, when the reciprocating screw rod 17 rotates, the poking piece 16 can move left and right in a reciprocating mode, meanwhile, floating objects on the water line can move through the poking piece 16, the purpose that the floating objects on the water line are cleaned to two sides is achieved, meanwhile, in the collecting cylinder 21, the blades 22 are fixedly connected to the reciprocating screw rod 17, when the reciprocating screw rod 17 rotates, the blades 22 rotate simultaneously, the purpose that a book can be formed into a vortex shape is achieved, the purpose that the floating objects pushed to the two sides by the poking piece 16 are collected into the collecting cylinder 21 is achieved, and temporary storage is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The emergency device for reducing tailing leakage of the tailing pond comprises two supporting columns (1) and is characterized in that a dispatching room (3) is fixedly connected between the two supporting columns (1), two first driving motors (4) are fixedly connected in the dispatching room (3), two threaded rods (10) are respectively and fixedly connected to the first driving motors (4), the threaded rods (10) penetrate through the dispatching room (3) and are in threaded connection with a gate (12), the gate (12) is slidably connected between the two supporting columns (1), mounting cavities (28) are respectively formed in the two ends of the gate (12), two sliding blocks (13) are slidably connected in the mounting cavities (28), a sliding rod (30) is fixedly connected between the sliding blocks (13), a filter screen (14) is arranged between the mounting cavities (28), and the two ends of the filter screen (14) are respectively and fixedly connected to the sliding blocks (13), two fixedly connected with fixed block (2) respectively on support column (1), fixedly connected with push rod (11) on fixed block (2), the one end setting that fixed block (2) were kept away from in installation cavity (28) in push rod (11), be equipped with monitoring part in dispatch room (3), two all be equipped with collecting part on support column (1).
2. The emergency device for reducing the tailing leakage of a tailing pond according to claim 1, wherein the monitoring component comprises a control element (9), the control element (9) is arranged in the dispatching room (3), a supporting rod (6) is fixedly connected to the upper end of the dispatching room (3), a solar panel (7) is fixedly connected to one end, far away from the dispatching room (3), of the supporting rod (6), an alarm (8) is fixedly connected to the supporting rod (6), a water pressure measuring meter (5) is fixedly connected to the gate (12), and the water pressure measuring meter (5) is fixedly communicated with the control element (9).
3. The emergency device for reducing the tailing leakage of a tailing pond according to claim 1, wherein the collecting part comprises two collecting barrels (21), the two supporting columns (1) are respectively provided with a second sliding chute (19), the two collecting barrels (21) are respectively connected to the second sliding chutes (19) in a sliding manner, a reciprocating screw rod (17) is rotatably connected between the two collecting barrels (21), blades (22) are arranged in the collecting barrels (21), the blades (22) are fixedly connected to the reciprocating screw rod (17), and a stirring sheet (16) is connected to the reciprocating screw rod (17) in a threaded manner.
4. An emergency device for reducing tailings leakage of a tailings pond according to claim 3, wherein the lower ends of the two collecting cylinders (21) are fixedly connected with air bag cushions (20) respectively.
5. The emergency device for reducing the tailing leakage of a tailing pond according to claim 1, wherein a first sliding groove (18) is formed in one of the supporting columns (1), a moving block (26) is slidably connected in the first sliding groove (18), a connecting rod (27) is fixedly connected to the moving block (26), and a second driving motor (15) is fixedly connected to one end, far away from the moving block (26), of the connecting rod (27).
6. The emergency device for reducing the tailing leakage of a tailing pond according to claim 5, wherein a second rotating wheel (25) is fixedly connected to the second driving motor (15), a first rotating wheel (23) is fixedly connected to one end, close to the second driving motor (15), of the reciprocating screw rod (17), and a belt (24) is sleeved between the first rotating wheel (23) and the second rotating wheel (25).
7. An emergency device for reducing tailings leakage from a tailings pond according to claim 5, wherein a fixing rod (31) is fixedly connected between the second driving motor (15) and the collecting drum (21).
8. The emergency device for reducing the tailing leakage of a tailing pond according to claim 3, characterized in that sleeve shafts (32) are respectively connected to the two sliding rods (30) in a sliding manner, and the reciprocating screw rod (17) is rotatably connected to the sleeve shafts (32).
9. An emergency device for reducing tailings leakage from a tailings pond according to claim 1, wherein the slide block (13) on the lower side is fixedly connected with a spring (29), and one end of the spring (29) far away from the slide block (13) is fixedly connected to the installation cavity (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110451257.9A CN113202066B (en) | 2021-04-26 | 2021-04-26 | Emergency device for reducing tailing leakage of tailing pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110451257.9A CN113202066B (en) | 2021-04-26 | 2021-04-26 | Emergency device for reducing tailing leakage of tailing pond |
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| Publication Number | Publication Date |
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| CN113202066A true CN113202066A (en) | 2021-08-03 |
| CN113202066B CN113202066B (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110451257.9A Active CN113202066B (en) | 2021-04-26 | 2021-04-26 | Emergency device for reducing tailing leakage of tailing pond |
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| CN (1) | CN113202066B (en) |
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2021
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| CN113202066B (en) | 2022-06-14 |
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