Anti-blocking stirring and conveying device for tailing backfilling

By designing an anti-clogging mixing and conveying device during the tailings backfilling process, and using a mixing and conveying mechanism to handle the tailings, the problem of pipeline blockage caused by sludge adhesion was solved, and the continuous operation and equipment stability of the tailings backfilling process were achieved.

CN224266258UActive Publication Date: 2026-05-22CHONGQING JUXIN MINING
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING JUXIN MINING
Filing Date
2025-07-31
Publication Date
2026-05-22

AI Technical Summary

Technical Problem

During the backfilling process, the tailings conveying equipment experienced pipe blockage due to silt adhesion, making cleaning difficult and requiring complete shutdown and disassembly for repair.

Method used

Design an anti-clogging mixing and conveying device that includes a mixing mechanism and a conveying mechanism. The mixing mechanism is used to mix and process tailings, crush large pieces of tailings and sludge, and the conveying mechanism is used for spiral conveying. The device dynamically intervenes to break up the flocculated structure of sludge and reduce viscous resistance.

Benefits of technology

It effectively prevents sludge from forming nodules, avoids pipe blockage, ensures continuous operation of the tailings backfilling process, and reduces maintenance frequency and difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of tailing treatment, and provides an anti-blocking stirring and conveying device for tailing backfilling, which comprises a frame, a tailing stirring bin is mounted at the top end of the frame, a stirring mechanism is mounted on the tailing stirring bin, a discharge port is arranged at the bottom of the tailing stirring bin, a conveying frame is arranged on one side of the frame, and a discharging port is arranged on the other side of the frame. A conveying mechanism is obliquely mounted on the material conveying frame; by arranging the stirring mechanism, the tailings are stirred, large tailings are preliminarily pulverized, meanwhile, sludge bonded to the tailings can be crushed, and sludge knotting and blocking of a conveying pipeline are prevented; the conveying mechanism is arranged and used for spirally conveying tailings, a sludge flocculation structure is effectively broken through dynamic intervention, and the viscous resistance is reduced; the device effectively solves the problem of pipeline blockage caused by sludge bonding in the tailing backfilling process.
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Description

Technical Field

[0001] This utility model relates to the field of tailings treatment technology, and in particular to an anti-clogging mixing and conveying device for tailings backfilling. Background Technology

[0002] Tailings are one of the products of mineral processing, with the portion containing the lowest content of useful target components being called tailings. Under current technological and economic conditions, further processing is no longer advisable. However, with the development of production science and technology, the useful target components may still have economic value for further recycling. Tailings are not entirely useless waste; they often contain components that can be used for other purposes. They can be comprehensively utilized to achieve zero waste discharge, which is necessary for the full utilization of mineral resources and the protection of the ecological environment.

[0003] During the tailings backfilling process, the pipeline of the transmission tailings conveying equipment is blocked due to the adhesion of silt. The straight-through structure means that the entire machine must be shut down and disassembled for cleaning, making maintenance difficult. Utility Model Content

[0004] This utility model provides an anti-clogging mixing and conveying device for tailings backfilling, which aims to solve the problem of pipe blockage caused by silt adhesion in the tailings conveying equipment during the tailings backfilling process, and the difficulty of maintenance due to the need for complete shutdown and disassembly for cleaning caused by the straight-through structure.

[0005] This utility model is implemented as follows: a clog-proof mixing and conveying device for tailings backfilling includes a frame, a tailings mixing bin installed at the top of the frame, a mixing mechanism installed on the tailings mixing bin, a discharge port opened at the bottom of the tailings mixing bin, a conveying frame provided on one side of the frame, and a conveying mechanism installed at an angle on the conveying frame.

[0006] Preferably, the stirring mechanism includes: a stirring shaft, both ends of which are rotatably connected to the tailings mixing bin via bearings, a stirring paddle is provided on the stirring shaft, a stirring motor is installed below the tailings mixing bin, a reducer is installed at the output end of the stirring motor, and the output end of the reducer is connected to one end of the stirring shaft via a transmission belt.

[0007] The beneficial effects of adopting the above-mentioned further scheme are: it can be used to stir and process tailings, initially crush large pieces of tailings, and at the same time break up the silt adhering to the tailings to prevent silt from clumping and blocking the transportation pipeline.

[0008] Preferably, the conveying mechanism includes: a conveying pipe, with a spiral conveying shaft rotatably connected to both ends of the conveying pipe via bearings, a propeller mounted on the spiral conveying shaft, and a conveying motor installed at the top end of the conveying pipe, the output end of the conveying motor being fixedly connected to one end of the spiral conveying shaft.

[0009] The beneficial effects of adopting the above-mentioned further scheme are: it can be used for screw conveying of tailings, effectively breaking the flocculated structure of silt through dynamic intervention and reducing viscous resistance.

[0010] Preferably, a feed hopper is provided directly below the bottom outlet of the tailings mixing tank in the conveying pipe, and the bottom of the feed hopper is connected to the inside of the conveying pipe.

[0011] The beneficial effect of adopting the above-mentioned further scheme is that it allows tailings to be received and fed into the conveying pipe.

[0012] Preferably, a feed hopper is provided directly below the bottom outlet of the tailings mixing tank in the conveying pipe, and the bottom of the feed hopper is connected to the inside of the conveying pipe.

[0013] The advantage of adopting the above-mentioned further scheme is that it facilitates the discharge of the transported tailings through the discharge pipe.

[0014] Preferably, the bottom of the tailings mixing bin is provided with slide rails on both sides of the discharge port, and a gate plate is slidably connected inside the slide rail, and a handle is provided on the gate plate.

[0015] The beneficial effect of adopting the above-mentioned further solution is that it can be used to open and close the feed port.

[0016] Preferably, the bottom of the frame and the conveyor frame are provided with several sets of casters.

[0017] The advantage of adopting the above-mentioned further solutions is that it facilitates the movement and transportation of equipment.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides an anti-clogging mixing and conveying device for tailings backfilling. It is equipped with a mixing mechanism to mix the tailings, initially crushing large pieces of tailings and simultaneously breaking down the silt adhering to the tailings, preventing silt agglomeration and blockage of the transport pipeline. It also includes a conveying mechanism for spiral conveying the tailings, effectively breaking down the silt flocculation structure through dynamic intervention and reducing viscous resistance. This device effectively solves the problem of pipeline blockage caused by silt adhesion during tailings backfilling. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the side view structure;

[0021] Figure 3 for Figure 1 A schematic diagram of the conveyor mechanism.

[0022] In the diagram: 1. Frame; 2. Tailings mixing bin; 3. Mixing mechanism; 31. Mixing shaft; 32. Mixing paddle; 33. Mixing motor; 34. Reducer; 35. Drive belt; 4. Conveying frame; 5. Conveying mechanism; 51. Conveying pipe; 52. Screw conveyor shaft; 53. Conveying motor; 6. Feed hopper; 7. Discharge pipe; 8. Slide rail; 9. Gate; 10. Handle; 11. Casters. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be 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 present utility model and are not intended to limit the present utility model.

[0024] Please see Figure 1-3 This utility model provides a technical solution for an anti-clogging mixing and conveying device for tailings backfilling: an anti-clogging mixing and conveying device for tailings backfilling includes a frame 1, a tailings mixing chamber 2 is installed at the top of the frame 1, a mixing mechanism 3 is installed on the tailings mixing chamber 2, a discharge port is opened at the bottom of the tailings mixing chamber 2, a conveying frame 4 is provided on one side of the frame 1, and a conveying mechanism 5 is installed at an incline on the conveying frame 4.

[0025] In this embodiment, a stirring mechanism 3 is provided to stir the tailings, initially crushing large pieces of tailings and breaking down the silt adhering to the tailings to prevent silt agglomeration and blockage of the transport pipeline. A conveying mechanism 5 is provided to convey the tailings by screw conveyor, effectively breaking down the silt flocculation structure through dynamic intervention and reducing viscous resistance. This device effectively solves the problem of pipeline blockage caused by silt adhesion during tailings backfilling. All electrical components in this device are electrically connected to an external control system to ensure normal operation of the control equipment.

[0026] Furthermore, the stirring mechanism 3 includes: a stirring shaft 31, both ends of which are rotatably connected to the tailings mixing chamber 2 via bearings; a stirring paddle 32 is provided on the stirring shaft 31; a stirring motor 33 is installed below the tailings mixing chamber 2; a reducer 34 is installed at the output end of the stirring motor 33; and the output end of the reducer 34 is connected to one end of the stirring shaft 31 via a transmission belt 35.

[0027] In this embodiment, a stirring mechanism 3 is provided to stir the tailings, initially crush large pieces of tailings, and break up the silt adhering to the tailings to prevent silt from clumping and blocking the transport pipeline. The stirring mechanism 3 includes a stirring shaft 31, which is driven by a stirring motor 33 and a transmission belt 35 to rotate. The stirring paddle 32 on the stirring shaft 31 stirs the tailings in the stirring chamber 2.

[0028] Typically, the conveying mechanism 5 includes: a conveying pipe 51, with a spiral conveying shaft 52 rotatably connected to both ends of the conveying pipe 51 via bearings, a propeller mounted on the spiral conveying shaft 52, and a conveying motor 53 installed at the top of the conveying pipe 51, with the output end of the conveying motor 53 fixedly connected to one end of the spiral conveying shaft 52.

[0029] In this embodiment, a conveying mechanism 5 is provided for screw conveying of tailings, which effectively breaks the flocculation structure of silt and reduces viscous resistance through dynamic intervention. The conveying mechanism 5 includes a conveying pipe 51, and a screw conveying shaft 52 is rotatably connected to both ends of the conveying pipe 51 through bearings. The screw conveying shaft 52 is driven to rotate by a conveying motor 53, and the tailings are conveyed to the top of the conveying pipe 51 by a propeller.

[0030] Specifically, a feed hopper 6 is located directly below the bottom outlet of the tailings mixing bin 2 on the feed pipe 51, and the bottom of the feed hopper 6 is connected to the inside of the feed pipe 51.

[0031] In this embodiment, a feed hopper 6 is fixedly connected to the inclined bottom of the feed pipe 51, wherein the feed hopper 6 is located directly below the bottom outlet of the tailings mixing bin 2, so as to receive the tailings and enter the feed pipe 51.

[0032] In addition, a discharge pipe 7 is vertically installed at the bottom of the end of the conveying pipe 51 away from the feed hopper 6, and the discharge pipe 7 is connected to the inside of the conveying pipe 51.

[0033] In this embodiment, a discharge pipe 7 is provided at the inclined top and bottom of the conveying pipe 51 to facilitate the discharge of the conveyed tailings through the discharge pipe 7.

[0034] In addition, the bottom of the tailings mixing bin 2 is equipped with slide rails 8 on both sides of the discharge port. The slide rails 8 are slidably connected with gates 9, and handles 10 are provided on the gates 9.

[0035] In this embodiment, slide rails 8 are provided at both ends of the discharge port of the tailings mixing bin 2. The bottom of the tailings mixing bin 2 is arc-shaped, and the slide rails 8 are fitted to the bottom of the tailings mixing bin 2. The gate 9 is an arc-shaped plate adapted to the bottom of the tailings mixing bin 2. It is slidably connected to the slide rails 8 and fitted to the discharge port of the tailings mixing bin 2 for opening and closing the discharge port. The gate 9 is provided with a limit bolt for limiting the gate 9 and facilitating the fixing of the opening and closing position of the gate 8. The structure of the limit bolt is well known to those in the art and will not be described in detail here.

[0036] It should be noted that several sets of casters 11 are provided around the bottom of both the frame 1 and the material conveyor 4.

[0037] In this embodiment, casters 11 are installed at the bottom of the frame 1 and the conveyor 4 to facilitate the movement and transportation of the equipment. The casters 11 are heavy-duty load-bearing wheels and are equipped with a braking structure, which can effectively provide stability when the equipment is working.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clog-resistant mixing and conveying device for tailings backfilling, characterized in that: Includes a frame (1), a tailings mixing chamber (2) is installed at the top of the frame (1), a mixing mechanism (3) is installed on the tailings mixing chamber (2), a discharge port is opened at the bottom of the tailings mixing chamber (2), a conveying frame (4) is provided on one side of the frame (1), and a conveying mechanism (5) is installed at an incline on the conveying frame (4).

2. The anti-clogging mixing and conveying device for tailings backfilling according to claim 1, characterized in that: The stirring mechanism (3) includes: a stirring shaft (31), the two ends of which are rotatably connected to the tailings mixing chamber (2) through bearings, a stirring paddle (32) is provided on the stirring shaft (31), a stirring motor (33) is installed below the tailings mixing chamber (2), a reducer (34) is installed at the output end of the stirring motor (33), and the output end of the reducer (34) is connected to one end of the stirring shaft (31) through a transmission belt (35).

3. The anti-clogging mixing and conveying device for tailings backfilling according to claim 1, characterized in that: The conveying mechanism (5) includes: a conveying pipe (51), the two ends of which are rotatably connected to a spiral conveying shaft (52) via bearings, a propeller is provided on the spiral conveying shaft (52), a conveying motor (53) is installed at the top of the conveying pipe (51), and the output end of the conveying motor (53) is fixedly connected to one end of the spiral conveying shaft (52).

4. The anti-clogging mixing and conveying device for tailings backfilling according to claim 3, characterized in that: The conveying pipe (51) is located directly below the bottom outlet of the tailings mixing bin (2) and a feeding funnel (6) is provided. The bottom of the feeding funnel (6) is connected to the inside of the conveying pipe (51).

5. The anti-clogging mixing and conveying device for tailings backfilling according to claim 4, characterized in that: The bottom of the conveying pipe (51) away from the feed hopper (6) is vertically provided with a discharge pipe (7), and the discharge pipe (7) is connected to the inside of the conveying pipe (51).

6. The anti-clogging mixing and conveying device for tailings backfilling according to claim 1, characterized in that: The bottom of the tailings mixing bin (2) is provided with slide rails (8) on both sides of the discharge port. A gate plate (9) is slidably connected inside the slide rail (8), and a handle (10) is provided on the gate plate (9).

7. The anti-clogging mixing and conveying device for tailings backfilling according to claim 1, characterized in that: Several sets of casters (11) are provided around the bottom of both the frame (1) and the conveyor (4).