Tailing dam clogging, seepage draining and reinforcing device and method

Abstract

The invention discloses a tailing dam clogging, seepage draining and reinforcing device and method, and belongs to the technical field of tailing pond auxiliary devices.The tailing dam clogging, seepage draining and reinforcing device mainly comprises a blow-off pipe, a seepage draining and reinforcing mechanism is arranged at one end of the blow-off pipe, the seepage draining and reinforcing mechanism comprises an outer seepage pipe, and an inner seepage pipe is fixedly connected into the outer seepage pipe; a dirt scraping ring is connected between the outer seepage pipe and the inner seepage pipe in a sliding mode, a grouting pipe and a hanging rod are fixedly connected to the dirt scraping ring, the hanging rod and the grouting pipe are symmetrically distributed on the dirt scraping ring, the inner seepage pipe is sleeved with a seepage filter screen, and the space between the seepage filter screen and the inner seepage pipe is wrapped with geotextile. Through the arrangement of the inner seepage pipe, the outer seepage pipe, the electric telescopic rod, the lifting disc, the grouting pipe, the hanging rod, a dirt scraping ring, a seepage filter screen, a blocking cover, a negative pressure pump, a pushing rod and a filling cavity groove, the inner wall of the seepage drainage pipe can be conveniently and regularly cleaned, the seepage drainage pipe can be prevented from being blocked in the using process, and the seepage drainage efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tailings dam auxiliary devices, and in particular to a tailings dam siltation and seepage reinforcement device and method. Background Art

[0002] Tailings dam collapse and slope landslide are major sources of danger that restrict safe production. In the past decade, the production scale of my country's mining enterprises has expanded and the amount of tailings discharged has increased. However, due to the backwardness of technology and management, the risks of tailings dams have gradually become apparent. Some tailings dams have even become major sources of danger. For example, in extreme environments such as heavy rain and earthquake liquefaction, once a tailings dam collapses, the consequences will be disastrous: narrow road slopes in rainy areas, traffic fortresses, etc., although many treatment methods have been adopted, the effect is not good. The main reason is that the earth and stone are oversaturated due to extremely harsh geological and weather conditions, which weakens the function of the protective project: leaching mining is still in the process of continuous development, but faces problems such as poor permeability of the dissolved liquid, low recovery rate of mineral products, and long cycle.

[0003] The Chinese invention patent with publication number CN109610434B discloses a tailings dam blockage negative pressure drainage and reinforcement device, including a water collection drill bit, a connecting threaded pipe, a metal mesh filter tube, geotextile, a plastic film, a steam extraction pipe, a threaded pipe clamp cover, a negative pressure pump, a pressure gauge, an emergency grouting pump and a gas-liquid separation container. The water collection drill bit and the metal mesh filter tube are connected in sections by threaded pipes. The metal mesh filter tube is tightly wrapped with geotextile and vertically pressed into the tailings sand. The steam extraction pipe is placed in the water collection drill bit and sealed with a threaded pipe clamp cover to the metal mesh filter tube. The device can effectively solve the drainage and siltation problem in different parts of the high-risk dam body, reduce the dam body infiltration line, and improve the stability of the dam body through internal grouting reinforcement and surface steel reinforcement connection for extreme weather, geological and other conditions, effectively reducing the operation risk of the tailings dam. At the same time, the device can also be used for slope reinforcement and leaching mining in areas with high precipitation.

[0004] The tailings dam blockage negative pressure drainage reinforcement device in the comparative document can solve the drainage blockage problem, but the particulate matter in the tailings can easily clog the drainage holes on the drainage pipe. Although the blockage in the drainage holes opened on the drainage pipe can be pushed out by reverse negative pressure, if it is not cleaned, the blockage may seep into the drainage pipe again along the flow trajectory, affecting the sewage discharge efficiency. The geotextile in the comparative document is directly wrapped on the filter tube. In the process of vertically pressing it into the tailings sand, the reverse pushing force of the tailings sand may cause the geotextile to move, affecting the drainage effect.

[0005] Therefore, it is necessary to provide a tailings dam siltation and seepage reinforcement device and method to solve the above problems.

[0006] It should be noted that the above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute the prior art. Summary of the Invention

[0007] Based on the above-mentioned problems existing in the prior art, the problem to be solved by the present invention is: to provide a tailings dam siltation drainage reinforcement device and method, by setting an internal seepage pipe, an external seepage pipe, an electric telescopic rod, a lifting plate, a grouting pipe, a hanger, a scraper ring, a seepage filter, a baffle, a negative pressure pump, a pushing rod and a filling cavity, it is convenient to clean the inner wall of the drainage pipe regularly, which is beneficial to prevent the drainage pipe from being blocked during use and is beneficial to improving the efficiency of drainage. By setting a scraper, a sealing plate, a guide cavity pipe, a support hoop plate, a fixing rod, an auxiliary spring and a docking threaded ring, it is convenient to disassemble, repair and replace the drainage pipe when it is damaged.

[0008] The technical solution adopted by the present invention to solve its technical problems is: a tailings dam siltation drainage and reinforcement device and method, including a sewage pipe, one end of the sewage pipe is provided with a drainage reinforcement mechanism, the drainage reinforcement mechanism includes an external seepage pipe, an internal seepage pipe is fixedly connected to the external seepage pipe, a scraper ring is slidably connected between the external seepage pipe and the internal seepage pipe, a grouting pipe and a hanger are respectively fixedly connected to the scraper ring, the hanger and the grouting pipe are symmetrically distributed on the scraper ring, a seepage filter is sleeved on the internal seepage pipe, geotextile is coated between the seepage filter and the internal seepage pipe, the seepage filter and the internal seepage pipe are fixedly connected by a nut, and the lengths of the external seepage pipe and the internal seepage pipe are customized according to the depth buried in the tailings dam.

[0009] Furthermore, a pushing rod is passed through the intrafiltration tube, a filter screen is passed through one end of the pushing rod, and a conveying cavity is opened in the pushing rod.

[0010] Furthermore, one end of the infiltration tube is threadedly connected to a blocking cover, one end of the lifting rod, the grouting pipe and the pushing rod are connected through the blocking cover, one end of the pushing rod passing through the blocking cover is fixedly connected to a negative pressure pump, one end of the blocking cover is clamped with a lifting plate, one end of the lifting rod and the grouting pipe are fixedly connected to the lifting plate, one end of the grouting pipe is fixedly connected to a grouting pump, and a plurality of filling cavities are equidistantly opened in the circumferential direction at one end of the infiltration tube toward the sewage pipe.

[0011] Furthermore, a group of electric telescopic rods are symmetrically distributed on the lifting plate, one end of the electric telescopic rod is fixedly connected to the lifting plate, one end of the blocking cover is fixedly connected to the protective tube, and the other end of the electric telescopic rod is fixedly connected to the protective tube.

[0012] Furthermore, a sealing clamp mechanism is provided in the sewage pipe, a fixing rod is fixedly connected in the sealing clamp mechanism, a guide cavity is slidably connected to the fixing rod, an auxiliary spring is provided in the guide cavity, the auxiliary spring is fixedly connected to the fixing rod, one end of the guide cavity is fixedly connected to a sealing plugging plate, a scraper is provided on the sealing plugging plate, the middle part of the scraper is fixedly connected to one end of the pushing rod, a docking threaded ring is provided on the sealing plugging plate, the docking threaded ring is fixedly connected to the sewage pipe thread, and one end of the docking threaded ring is fixedly connected to the filter screen.

[0013] Furthermore, a support hoop plate is sleeved on the guide cavity tube, the support hoop plate is fixedly connected to the sewage pipe, and the guide cavity tube is slidably connected to the middle part of the support hoop plate.

[0014] Furthermore, the tailings dam siltation and seepage reinforcement method is as follows:

[0015] S1. When the dam body infiltration line of the tailings dam exceeds the control line, the liquid in the infiltration line will first enter the external infiltration pipe through the seepage holes opened on the external infiltration pipe. The external infiltration pipe will block the larger particles in the tailings. When the liquid enters the external infiltration pipe, it will be filtered through the seepage filter and the filter holes on the geotextile and then flow into the seepage holes opened on the internal infiltration pipe. The seepage filter and geotextile will block the fine particles contained in the liquid. The liquid in the internal infiltration pipe will flow downward along the internal infiltration pipe and when it contacts the filter screen, the liquid will pass through the filter screen and the sealing clamp mechanism and flow into the sewage pipe. The liquid is discharged through the sewage pipe. At this time, the infiltration line will slowly drop to a safe range after the discharge.

[0016] S2. The electric telescopic rod is retracted to drive the lifting plate fixed at the bottom to slide upward along the protective tube. The upward lifting plate will drive the grouting pipe and the hanging rod fixed thereon to move upward synchronously. The upward grouting pipe and the hanging rod will drive the scraper ring fixed at the bottom to slide upward along the inner wall of the extravasation pipe and the outer wall of the seepage filter. During the upward movement, the scraper ring will scrape and clean the clogged stains on the inner wall of the contacted extravasation pipe and the stains attached to the outer wall of the seepage filter. At the same time, the upward moving scraper ring will push the docked stains on it to move toward one end of the extravasation pipe. When the scraper ring moves and is stuck to one end of the baffle, the stains on the scraper ring will move along the scraper ring. The ring is tilted at an angle to flow toward the gap between the external infiltration pipe and the retaining cover, and the clogged debris will be discharged through the gap between the external infiltration pipe and the retaining cover. At the same time, the negative pressure pump transmits air pressure to the internal infiltration pipe through the pushing rod fixed at the output end, pushing the liquid in the internal infiltration pipe to flow back into the external infiltration pipe through the holes on the internal infiltration pipe to flush the holes on the internal infiltration pipe and flush out the stains in the holes. At the same time, the scraping ring moves downward and reset along the inner wall of the external infiltration pipe and the outer wall of the seepage filter screen under the push of the electric telescopic rod, grouting pipe and hanging rod, and slides the particles scraped off during the downward movement into the filling cavity groove opened at one end of the external infiltration pipe and is discharged through the filling cavity groove;

[0017] S3. When fixed, the grouting pump pumps the slurry into the slurry cavity in the grouting pump through the pumping pipe installed at the other end. The air pressure generated during the pumping process will push the slurry entering the slurry cavity into the grouting pipe connected to the other end of the grouting pump. The slurry flows into the cavity in the scraper ring fixed at the bottom through the air in the grouting pipe. When the slurry enters the cavity in the scraper ring, the slurry will flow into the filling cavity through the holes opened on the scraper ring. When the slurry fills the filling cavity, the slurry will seep into the tailings pond dam outside the external seepage pipe, so that the external seepage pipe is reinforced and fixed in the tailings pond dam through the slurry and the filling cavity, which is beneficial to prevent the tailings pond dam outside the external seepage pipe from sliding under the impact of rainwater.

[0018] The beneficial effects of the present invention are: it is convenient to clean the inner wall of the drainage pipe regularly, which is beneficial to preventing the drainage pipe from being blocked during use, which is beneficial to improving the efficiency of drainage, and it is convenient to disassemble, repair and replace the drainage pipe when it is damaged.

[0019] The lifting plate is driven by the electric telescopic rod to slide upward along the protective tube when the internal seepage pipe and the external seepage pipe are cleaned regularly. The lifting plate is driven by the electric telescopic rod to slide upward along the protective tube when the electric telescopic rod is contracted. The upward lifting plate drives the grouting pipe and the hanger connected thereto to move upward synchronously. The upward grouting pipe and the hanger drive the scraper ring fixed at the bottom end to slide upward along the inner wall of the external seepage pipe and the outer wall of the seepage filter. The scraper ring scrapes and cleans the clogging stains on the inner wall of the external seepage pipe and the stains attached to the outer wall of the seepage filter during the upward movement. At the same time, the upward scraper ring pushes the stains connected thereto to move toward one end of the external seepage pipe. When the scraper ring moves When it is stuck to one end of the baffle, the stains on the scraper ring will flow to the gap between the external seepage pipe and the baffle along the inclination angle of the scraper ring, and the clogged debris will be discharged through the gap between the external seepage pipe and the baffle. At the same time, the negative pressure pump transmits air pressure to the internal seepage pipe through the pushing rod fixed at the output end, pushing the liquid in the internal seepage pipe to flow back into the external seepage pipe through the holes on the internal seepage pipe to flush the holes on the internal seepage pipe and flush out the stains in the holes. At the same time, the scraper ring is pushed down and reset along the inner wall of the external seepage pipe and the outer wall of the seepage filter screen by the electric telescopic rod, grouting pipe and hanging rod, and the particles scraped off during the downward movement are slid to the filling cavity groove opened at one end of the external seepage pipe and discharged through the filling cavity groove, which is convenient for regular cleaning of the inner wall of the drainage pipe, which is beneficial to prevent the drainage pipe from being blocked during use and to improve the efficiency of drainage.

[0020] 2. The present invention provides a tailings dam siltation and seepage reinforcement device and method, which uses a scraper, a sealing plugging plate, a guide cavity tube, a support hoop plate, a fixing rod, an auxiliary spring and a docking threaded ring to replace a new external seepage tube and an internal seepage tube, and pushes the pushing rod downward to make the scraper fixedly connected to the pushing rod slide out of the external seepage tube, and press the external seepage tube and the internal seepage tube up and down in the direction of the sewage pipe. When the scraper contacts the sealing plugging plate, the pushing rod is rotated and the fixedly connected scraper is driven by the pushing rod to rotate. The rotating scraper pushes and cleans the debris on the sealing plugging plate. After the debris on the sealing plugging plate is cleaned, the pushing rod is pulled upward to drive the scraper fixed on the pushing rod to shrink and slide into the internal seepage tube, and at this time, the external seepage tube and the internal seepage tube are pushed downward. When the external seepage tube is clamped with the sealing plugging plate provided in the sealing clamp mechanism, the pushing rod is pushed downward to drive the scraper fixed on the pushing rod to move downward to push the contacting sealing plugging plate downward. Driven by the thrust, the sealing plugging plate will slide along the middle of the support plate to the bottom of the fixed rod under the restriction of the guide cavity tube. During the downward movement of the sealing plugging plate, the guide cavity tube will push the auxiliary spring provided therein. When the pushing rod drives the docking threaded ring to be pressed down into the sewage pipe through the filter screen, the rotating pushing rod will drive the docking threaded ring to be fixedly connected to the docking pipe port thread fixedly connected on the sewage pipe through the filter screen, thereby positioning and pushing the adjusted sealing plugging plate, which is convenient for disassembly, maintenance and replacement of the drainage pipe when the seepage pipe is damaged.

[0021] In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0023] In the attached figure:

[0024] Figure 1 Schematic diagram of the overall three-dimensional structure;

[0025] Figure 2 It is a schematic diagram of the overall cross-sectional three-dimensional structure;

[0026] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0027] Figure 4 for Figure 2 A schematic diagram of the enlarged structure of the middle part B;

[0028] Figure 5 Schematic diagram of the three-dimensional structure of the connection between the extravasation tube and the intravasation tube;

[0029] Figure 6 This is a schematic diagram of the three-dimensional structure of the connection between the grouting pipe and the scraper ring;

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the connection between the push rod and the docking thread ring;

[0031] Figure 8 It is a schematic diagram of the cross-sectional structure of the three-dimensional connection between the extravasation tube and the intravasation tube.

[0032] Among them, the reference numerals in the figures are:

[0033] 1. Drain pipe; 2. Sealing clamp mechanism; 21. Fixed rod; 22. Guide cavity tube; 23. Auxiliary spring; 24. Support hoop plate; 25. Scraper; 26. Sealing plugging plate; 27. Docking thread ring; 3. Drainage reinforcement mechanism; 31. External seepage pipe; 32. Filling cavity; 33. Shield; 34. Protective tube; 35. Internal seepage pipe; 36. Push rod; 37. Seepage filter; 38. Hanging rod; 39. Filter; 310. Lifting plate; 311. Electric telescopic rod; 312. Negative pressure pump; 313. Grouting pump; 314. Grouting pipe; 315. Sewage scraper ring. DETAILED DESCRIPTION

[0034] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0035] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0036] like Figure 1-8As shown, the present invention provides a tailings dam siltation drainage reinforcement device and method, including a sewage pipe 1, one end of the sewage pipe 1 is provided with a drainage reinforcement mechanism 3, the drainage reinforcement mechanism 3 includes an external seepage pipe 31, an internal seepage pipe 35 is fixedly connected to the external seepage pipe 31, a scraper ring 315 is slidably connected between the external seepage pipe 31 and the internal seepage pipe 35, a grouting pipe 314 and a hanger 38 are fixedly connected to the scraper ring 315, the hanger 38 and the grouting pipe 314 are symmetrically distributed on the scraper ring 315, a seepage filter 37 is sleeved on the internal seepage pipe 35, the seepage filter 37 and the internal seepage pipe 35 are covered with geotextile, the seepage filter 37 and the internal seepage pipe 35 are fixedly connected by a nut, a pushing rod 36 is passed through the internal seepage pipe 35, one end of the pushing rod 36 is passed through a filter 39, and the pushing rod 36 is provided with a filter. The conveying cavity, one end of the infiltration tube 35 is threadedly connected to the blocking cover 33, the lifting rod 38, the grouting tube 314 and one end of the pushing rod 36 are connected through the blocking cover 33, and the pushing rod 36 passes through one end of the blocking cover 33 and is fixedly connected to the negative pressure pump 312, and one end of the blocking cover 33 is clamped with a lifting plate 310, and one end of the lifting rod 38 and the grouting tube 314 is fixedly connected to the lifting plate 310, and one end of the grouting tube 314 is fixedly connected to the grouting pump 313, and the end of the exfiltration tube 31 facing the sewage pipe 1 is equidistantly provided with a plurality of filling cavities 32 in the circumferential direction, and a group of electric telescopic rods 311 are symmetrically distributed on the lifting plate 310, and one end of the electric telescopic rod 311 is fixedly connected to the lifting plate 310, and one end of the blocking cover 33 is fixedly connected to the protective tube 34, and the other end of the electric telescopic rod 311 is fixedly connected to the protective tube 34.

[0037] In this embodiment, when the dam body infiltration line of the tailings pond exceeds the control line, the liquid in the infiltration line will first enter the external infiltration pipe 31 through the seepage holes provided on the external infiltration pipe 31, and the external infiltration pipe 31 will block the larger particles in the tailings. When the liquid enters the external infiltration pipe 31, it will be filtered through the seepage filter 37 and the filter holes on the geotextile covered between the seepage filter 37 and the internal infiltration pipe 35, and then flow into the seepage holes provided on the internal infiltration pipe 35, and enter the internal infiltration pipe 35 through the seepage holes. The fine particles contained in the liquid are blocked by the seepage filter 37 and the geotextile. The liquid entering the internal infiltration pipe 35 will flow downward along the internal infiltration pipe 35 and when it contacts the filter screen 39, the liquid will pass through the filter screen 39 and the sealing clamp mechanism 2 and flow into the sewage pipe 1, and the liquid will be discharged through the sewage pipe 1. At this time, the infiltration line will slowly drop to a safe range after the drainage.

[0038] When draining, the liquid will enter the intravasation tube 35. When the liquid contacts the push rod 36, the hydraulic pressure generated by the liquid will flow upward through the delivery cavity opened in the push rod 36 and be transmitted to the pressure gauge installed at one end of the negative pressure pump 312 fixedly connected to the top. The pressure gauge will analyze whether the intravasation tube 35 and the extravasation tube 31 are blocked by the pressure change sensed.

[0039] When the cleaning of the inner seepage pipe 35 and the outer seepage pipe 31 is carried out regularly, the lifting plate 310 fixed at the bottom end is driven to slide upward along the protective tube 34 by the contraction of the electric telescopic rod 311. The upward sliding lifting plate 310 drives the grouting pipe 314 and the hanging rod 38 fixed thereon to move upward synchronously. The upward grouting pipe 314 and the hanging rod 38 drive the scraper ring 315 fixed at the bottom end to slide upward along the inner wall of the outer seepage pipe 31 and the outer wall of the seepage filter 37. During the upward movement, the scraper ring 315 scrapes and cleans the blocked stains on the inner wall of the outer seepage pipe 31 and the stains attached to the outer wall of the seepage filter 37. At the same time, the upward moving scraper ring 315 pushes the stains connected thereto to move toward one end of the outer seepage pipe 31. When the scraper ring 315 moves and is stuck to one end of the blocking cover 33, the stains on the scraper ring 315 are tilted along the scraper ring 315 The cleaning fluid 312 is pushed out of the suction pipe 31 and the suction pipe 31 is tightened to the suction pipe 31 to remove the impurities.

[0040] It should be noted that when the grouting pump 313 is fixed, the slurry is pumped into the slurry cavity in the grouting pump 313 through the pumping pipe installed at the other end. The air pressure generated during the pumping process will push the slurry entering the slurry cavity into the grouting pipe 314 connected to the other end of the grouting pump 313. The slurry flows into the cavity in the scraper ring 315 fixed at the bottom through the cavity in the grouting pipe 314. When the slurry enters the cavity in the scraper ring 315, the slurry will flow into the filling cavity 32 through the holes opened on the scraper ring 315. When the slurry fills the filling cavity 32, the slurry will seep into the filling cavity In the dam body layer outside 32, since the filling cavity 32 is opened at the bottom end of the seepage pipe 31, when the slurry reinforces the filling cavity 32, the seepage pipe 31 will be reinforced and fixed as a whole in the tailings pond dam. At this time, the filling slurry line is level with the filling cavity 32, and the seepage hole opened on the seepage pipe 31 cannot be sealed. At this time, the seepage pipe 31 can still drain seepage, which is beneficial to prevent the tailings pond dam outside the seepage pipe 31 from sliding under the impact of rainwater. The grouting slurry is a cement-based slurry, and its components are ordinary Portland cement, water, and additives (such as water reducer, retarder).

[0041] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 7 and Figure 8 As shown, a sealing clamp mechanism 2 is provided in the sewage pipe 1, and a fixed rod 21 is fixedly connected in the sealing clamp mechanism 2. A guide cavity tube 22 is slidably connected to the fixed rod 21. An auxiliary spring 23 is provided in the guide cavity tube 22, and the auxiliary spring 23 is fixedly connected to the fixed rod 21. One end of the guide cavity tube 22 is fixedly connected to a sealing plugging plate 26, and a scraper 25 is provided on the sealing plugging plate 26. The middle part of the scraper 25 is fixedly connected to one end of the pushing rod 36. A docking threaded ring 27 is provided on the sealing plugging plate 26, and the docking threaded ring 27 is threadedly fixedly connected to the sewage pipe 1. One end of the docking threaded ring 27 is fixedly connected to the filter screen 39. A support hoop plate 24 is sleeved on the guide cavity tube 22, and the support hoop plate 24 is fixedly connected to the sewage pipe 1. The guide cavity tube 22 is slidably connected to the middle part of the support hoop plate 24.

[0042] In this embodiment, when replacing the external seepage pipe 31 and the internal seepage pipe 35 of the 4-meter buried tailings dam, the 4-meter deep dam outside the external seepage pipe 31 is carefully dug open by excavating equipment to expose the external seepage pipe 31, the negative pressure pump 312 is removed, and the driving motor is installed so that one end of the driving motor is fixedly connected to the pushing rod 36, and the driving motor drives the pushing rod 36 to rotate, and the rotating pushing rod 36 drives the filter screen 39 fixedly connected to the bottom end and the docking screw fixedly connected to the filter screen 39. The threaded ring 27 rotates and separates from the threaded ring tube at the connection position of the sewage pipe 1. At this time, the scraper 25 fixedly connected to the bottom end of the pushing rod 36 moves up and separates from the sealing plate 26. After the sealing plate 26 loses its thrust, the elastic potential energy generated by the auxiliary spring 23 pushes the sealing plate 26 to move upward and get stuck at the interface of the sewage pipe 1 under the restriction of the guide cavity tube 22 and the fixed rod 21 to seal the interface. The extravasation pipe 31 is pulled upward by the lifting tool to separate the extravasation pipe 31 from the tailings dam.

[0043] When installing the new extravasation tube 31 and intravasation tube 35, the extravasation tube 31 and the intravasation tube 35 are first suspended above the sewage pipe 1 by a lifting tool, and a driving motor fixedly connected to the pushing rod 36 is installed on the blocking cover 33 of the clamp on the intravasation tube 35. The staff assists in pushing the pushing rod 36 downward so that the scraper 25 fixedly connected to the pushing rod 36 slides out of the extravasation tube 31, and the extravasation tube 31 and the intravasation tube 35 are moved up and down in the direction of the sewage pipe 1. When the scraper 25 contacts the sealing plate 26, The push rod 36 is rotated, and the scraper 25 fixedly connected thereto is driven by the push rod 36 to rotate. The rotating scraper 25 pushes and cleans the debris on the sealing plate 26. After the debris on the sealing plate 26 is cleaned, the push rod 36 is pulled upward to drive the scraper 25 fixed on the push rod 36 to shrink and slide into the infiltration tube 35. At this time, the infiltration tube 31 and the infiltration tube 35 are pushed downward. When the infiltration tube 31 is engaged with the sealing plate 26 provided in the sealing clamp mechanism 2, the lifting tool is pushed downward. The pushing rod 36 drives the scraper 25 fixed on the pushing rod 36 to move downward to push down the sealing plate 26 in contact. Under the driving force of the thrust, the sealing plate 26 will slide along the middle of the support hoop plate 24 to the bottom of the fixed rod 21 under the restriction of the guide cavity tube 22. During the downward movement of the sealing plate 26, the guide cavity tube 22 will push the auxiliary spring 23 provided therein. When the pushing rod 36 drives the docking threaded ring 27 to be pressed down into the sewage pipe 1 through the filter screen 39, the rotating pushing rod 36 will The filter screen 39 drives the docking threaded ring 27 to be fixedly connected to the docking pipe port threadedly connected to the sewage pipe 1, thereby positioning and pushing the adjusted sealing plate 26, so that when the external seepage pipe 31 and the internal seepage pipe 35 are installed and fixed on the sewage pipe 1, the accumulation dam is refilled to a height of 4 meters through excavation equipment. Compared with the traditional method of digging out the external seepage pipe 31 and the sewage pipe 1 fixedly connected to it for overall replacement, it is more resource-saving. After installation, the drive motor is removed from the cover 33.

[0044] In addition, when the docking threaded ring 27 is threadedly separated from the sewage pipe 1, the reverse elastic force generated by the auxiliary spring 23 will push the sealing blocking plate 26 to slide back and reset, thereby blocking the docking pipe port fixedly connected on the sewage pipe 1, which is beneficial to prevent external debris from flowing into the sewage pipe 1 and causing blockage when replacing the external seepage pipe 31 and the internal seepage pipe 35; the sewage pipe 1 is installed by digging a four-meter-deep trench between the tailings dam and the sewage treatment pool, placing the sewage pipe 1 in the four-meter-deep trench, filling it with soil and concrete required for the tailings accumulation plate, and installing the external seepage pipe 31 and the internal seepage pipe 35 with clamps at the specified position of the sewage pipe 1. When the sewage enters the sewage pipe 1 through the external seepage pipe 31 and the internal seepage pipe 35 during seepage, the sewage will follow the sewage pipe into the sewage treatment pool for purification.

[0045] It should be noted that the lengths of the external infiltration pipe 31 and the internal infiltration pipe 35 are determined according to the depth at which one end of the external infiltration pipe 31 and the internal infiltration pipe 35 is buried in the tailings dam.

[0046] Working principle:

[0047] When the infiltration line of the tailings dam exceeds the control line, the liquid in the infiltration line will first enter the external infiltration pipe 31 through the seepage holes opened on the external infiltration pipe 31, and the external infiltration pipe 31 will block the larger particles in the tailings. When the liquid enters the external infiltration pipe 31, it will be filtered through the seepage filter 37 and the filter holes on the geotextile wrapped between the seepage filter 37 and the internal infiltration pipe 35, and then flow into the seepage holes opened on the internal infiltration pipe 35, and enter the internal infiltration pipe 35 through the seepage holes, and the fine particles contained in the liquid will be blocked by the seepage filter 37 and the geotextile. The liquid that enters the internal infiltration pipe 35 will flow along the internal infiltration pipe 35 to When the downward flow contacts the filter screen 39, the liquid will pass through the filter screen 39 and the sealing clamp mechanism 2 and flow into the sewage pipe 1, and the liquid will be discharged through the sewage pipe 1. At this time, the infiltration line will slowly drop to a safe range after the drainage. When the internal seepage pipe 35 and the external seepage pipe 31 are cleaned regularly, the electric telescopic rod 311 is contracted to drive the lifting plate 310 fixed at the bottom to slide upward along the protective tube 34. The upward lifting plate 310 will drive the grouting pipe 314 and the suspension rod 38 fixed thereon to move upward synchronously. The upward grouting pipe 314 and the suspension rod 38 will drive the scraping ring 315 fixed at the bottom to move along the inner wall and the external seepage pipe 31. The outer wall of the seepage filter 37 slides upward, and the scraper ring 315 scrapes and cleans the clogged stains on the inner wall of the seepage tube 31 and the stains attached to the outer wall of the seepage filter 37 during the upward movement. At the same time, the upward-moving scraper ring 315 pushes the accumulated stains on it to move toward one end of the seepage tube 31. When the scraper ring 315 moves and is stuck to one end of the baffle 33, the stains on the scraper ring 315 will flow along the inclined angle of the scraper ring 315 to the gap between the seepage tube 31 and the baffle 33, and the clogged debris will be discharged through the gap between the seepage tube 31 and the baffle 33. At the same time, the negative pressure pump 312 is fixed at the output end. The pushing rod 36 delivers air pressure into the infiltration tube 35, pushing the liquid in the infiltration tube 35 to flow back into the infiltration tube 31 through the holes on the infiltration tube 35 to flush the holes on the infiltration tube 35 and flush out the stains in the holes. At the same time, the scraping ring 315 is pushed down along the inner wall of the infiltration tube 31 and the outer wall of the seepage filter 37 by the electric telescopic rod 311, the grouting tube 314 and the suspension rod 38 to reset, and the particles scraped off during the downward movement are slid toward the filling cavity 32 opened at one end of the infiltration tube 31, and discharged through the filling cavity 32. The cleaned infiltration tube 31 and the infiltration tube 35 will remain continuously unobstructed, thereby improving the efficiency of drainage.

[0048] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A tailings dam siltation and seepage reinforcement device, comprising a sewage pipe (1), characterized in that: One end of the sewage pipe (1) is provided with a drainage reinforcement mechanism (3), the drainage reinforcement mechanism (3) comprising an external seepage pipe (31), an internal seepage pipe (35) fixedly connected inside the external seepage pipe (31), a scraping ring (315) slidably connected between the external seepage pipe (31) and the internal seepage pipe (35), a grouting pipe (314) and a suspension rod (38) respectively fixedly connected to the scraping ring (315), the suspension rod (38) and the grouting pipe (314) being symmetrically distributed on the scraping ring (315), a seepage filter (37) sleeved on the internal seepage pipe (35), a geotextile covering between the seepage filter (37) and the internal seepage pipe (35), the seepage filter (37) and the internal seepage pipe (35) being fixedly connected via a nut, the lengths of the external seepage pipe (31) and the internal seepage pipe (35) being customized according to the depth of the pipe buried in the tailings dam.

2. The tailings dam siltation and seepage reinforcement device according to claim 1, characterized in that: A pushing rod (36) is passed through the intrafiltration tube (35), a filter screen (39) is passed through one end of the pushing rod (36), and a conveying cavity is provided in the pushing rod (36).

3. The tailings dam siltation and seepage reinforcement device according to claim 1, characterized in that: One end of the infiltration tube (35) is threadedly connected to a blocking cover (33); the suspension rod (38), the grouting tube (314) and one end of the pushing rod (36) are connected to the blocking cover (33); one end of the pushing rod (36) passing through the blocking cover (33) is fixedly connected to a negative pressure pump (312); one end of the blocking cover (33) is clamped with a lifting plate (310); one end of the suspension rod (38) and the grouting tube (314) are fixedly connected to the lifting plate (310); one end of the grouting tube (314) is fixedly connected to a grouting pump (313); and a plurality of filling cavities (32) are equidistantly opened in a circumferential direction toward one end of the sewage pipe (1).

4. The tailings dam siltation and seepage reinforcement device according to claim 3, characterized in that: A group of electric telescopic rods (311) are symmetrically distributed on the lifting plate (310), one end of the electric telescopic rods (311) is fixedly connected to the lifting plate (310), one end of the blocking cover (33) is fixedly connected to a protective tube (34), and the other end of the electric telescopic rods (311) is fixedly connected to the protective tube (34).

5. The tailings dam siltation and seepage reinforcement device according to claim 1, characterized in that: A sealing clamp mechanism (2) is provided in the sewage pipe (1), a fixed rod (21) is fixedly connected in the sealing clamp mechanism (2), a guide cavity tube (22) is slidably connected to the fixed rod (21), an auxiliary spring (23) is provided in the guide cavity tube (22), the auxiliary spring (23) is fixedly connected to the fixed rod (21), a sealing plugging plate (26) is fixedly connected to one end of the guide cavity tube (22), a scraper (25) is provided on the sealing plugging plate (26), the middle part of the scraper (25) is fixedly connected to one end of the pushing rod (36), and a butt thread ring (27) is provided on the sealing plugging plate (26).

6. The tailings dam siltation and seepage reinforcement device according to claim 5, characterized in that: A support hoop plate (24) is sleeved on the guide cavity tube (22), the support hoop plate (24) is fixedly connected to the sewage pipe (1), and the guide cavity tube (22) is slidably connected to the middle part of the support hoop plate (24).

7. The tailings dam siltation and seepage reinforcement device according to claim 5, characterized in that: The butt-jointed threaded ring (27) is threadedly fixedly connected to the sewage pipe (1), and one end of the butt-jointed threaded ring (27) is fixedly connected to the filter screen (39).

8. A tailings dam siltation and seepage reinforcement method, applied to a tailings dam siltation and seepage reinforcement device according to claims 1-7, characterized in that: The tailings dam siltation and seepage reinforcement method is as follows: S1. When the dam body infiltration line of the tailings dam exceeds the control line, the liquid in the infiltration line will first enter the external infiltration pipe (31) through the infiltration holes opened on the external infiltration pipe (31). The external infiltration pipe (31) blocks the larger particles in the tailings. When the liquid enters the external infiltration pipe (31), it will be filtered through the infiltration filter (37) and the filter holes on the geotextile and then flow into the infiltration holes opened on the internal infiltration pipe (35), and enter the external infiltration pipe (31) through the infiltration holes. In the infiltration pipe (35), the fine particles contained in the liquid are blocked by the seepage filter (37) and the geotextile. The liquid entering the infiltration pipe (35) will flow downward along the infiltration pipe (35) and when it contacts the filter (39), the liquid will pass through the filter (39) and the sealing clamp mechanism (2) and flow into the sewage pipe (1). The liquid is discharged through the sewage pipe (1). At this time, the infiltration line will slowly drop to a safe range after the liquid is discharged. S2, the electric telescopic rod (311) is contracted to drive the lifting plate (310) fixed at the bottom to slide upward along the protective tube (34), and the sliding lifting plate (310) will drive the grouting pipe (314) and the suspension rod (38) fixed thereon to move upward synchronously, and the grouting pipe (314) and the suspension rod (38) moving upward will drive the scraping ring (315) fixed at the bottom to move along the inner wall of the seepage pipe (31) and the seepage filter (37 ) slides upward, and the scraping ring (315) scrapes and cleans the clogging stains on the inner wall of the contacted exudate tube (31) and the stains attached to the outer wall of the seepage filter (37) during the upward movement. At the same time, the upward moving scraping ring (315) pushes the stains connected thereto to move toward one end of the exudate tube (31). When the scraping ring (315) moves and is stuck to one end of the blocking cover (33), the stains on the scraping ring (315) will flow along the scraping ring. (315) is inclined to flow toward the gap between the extravasation tube (31) and the baffle (33), and the blocked debris will be discharged through the gap between the extravasation tube (31) and the baffle (33). At the same time, the negative pressure pump (312) transmits air pressure to the intravasation tube (35) through the pushing rod (36) fixed at the output end, pushing the liquid in the intravasation tube (35) to flow back into the extravasation tube (31) through the hole on the intravasation tube (35). The holes on the infiltration tube (35) are flushed to flush out the stains in the holes. At the same time, the scraping ring (315) is pushed by the electric telescopic rod (311), the grouting pipe (314) and the suspension rod (38) to move downward along the inner wall of the infiltration tube (31) and the outer wall of the seepage filter (37) to reset, and the particles scraped during the downward movement slide toward the filling cavity (32) opened at one end of the infiltration tube (31) and are discharged through the filling cavity (32); S3, when fixed, the grouting pump (313) pumps the slurry into the slurry cavity in the grouting pump (313) through the pumping pipe installed at the other end. The air pressure generated during the pumping process pushes the slurry in the slurry cavity into the grouting pipe (314) connected to the other end of the grouting pump (313). The slurry flows into the cavity in the scraping ring (315) fixed at the bottom through the air in the grouting pipe (314). The slurry enters the scraping ring (315) and is then ), the slurry will flow into the filling cavity (32) through the holes opened on the scraping ring (315). When the slurry fills the filling cavity (32), the slurry will seep into the tailings pond accumulation dam outside the external seepage pipe (31), so that the external seepage pipe (31) is reinforced and fixed in the tailings pond accumulation dam by the slurry and the filling cavity (32), which is beneficial to prevent the tailings pond accumulation dam outside the external seepage pipe (31) from sliding under the impact of rainwater.

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