CN210875766U - Tailless mine separation and filling system based on skid-mounted all-in-one machine - Google Patents
Tailless mine separation and filling system based on skid-mounted all-in-one machine Download PDFInfo
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- CN210875766U CN210875766U CN201921801470.2U CN201921801470U CN210875766U CN 210875766 U CN210875766 U CN 210875766U CN 201921801470 U CN201921801470 U CN 201921801470U CN 210875766 U CN210875766 U CN 210875766U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The utility model discloses a tailless mine separating and filling system based on a skid-mounted all-in-one machine, which comprises a tailing coarse and fine separation subsystem and a paste filling subsystem which are connected with each other, wherein the tailing separation subsystem comprises a skid-mounted all-in-one machine, a belt conveyor and a buffer tank; the paste filling subsystem comprises a vertical sand silo, a flocculating agent adding device, a horizontal stirrer, a vertical stirrer and an ash silo; a swirler and a vibrating screen are arranged on the skid-mounted all-in-one machine; the cyclone overflow pipe of the cyclone is connected with the buffer tank through a fine-grain tailing pipe. The utility model discloses a defect that adopts the mine tailing storehouse to bring has been overcome to the system, provides the technological basis for realizing the construction of no tail mine.
Description
Technical Field
The utility model relates to a metal mine tailings processing technology field, in particular to no tail mine separation and filling system.
Background
The tailings are solid wastes with the largest output in China, the grade of the selected ore is continuously reduced along with the continuous expansion of the development scale of the mining industry, and the quantity of the tailings is increased year by year. At present, the total amount of accumulated tailings exceeds 180 hundred million tons, and the discharge amount of the tailings is nearly 20 hundred million tons every year. If the mine solid wastes are not properly disposed, not only can engineering disasters be aggravated, resources be wasted and the environment be polluted, but also serious harm can be caused to the society, the economy and the environment. The current situation shows that the problem of insufficient storage capacity of the existing tailing pond is serious, a newly-built tailing pond is difficult to meet the requirement, tailing discharge becomes a 'bottleneck' problem restricting mine development, and solution is needed urgently.
In the field of mine filling, the vertical sand silo has the advantages of simple structure, small occupied area and the like and is widely applied to various mines. The main method comprises the following steps: the low-concentration whole tailing slurry of the separation plant is classified by a cyclone, coarse tailings enter a vertical sand silo, are filled after flocculation and sedimentation, and fine-fraction tailings are directly conveyed to a tailing pond. The existence of the tailing pond is a huge danger source and risk point, so that how to realize the construction of the metal mine tailless mine is very important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a no tail mine separation and filling system based on sled dress all-in-one is provided, overcome the direct defect of being carried the tailing storehouse of prior art fine grit tailings, reach the no tail mine target in metal mine.
The utility model discloses technical scheme as follows:
a tailless mine separation and filling system based on a skid-mounted all-in-one machine comprises a tailing coarse and fine separation subsystem and a paste filling subsystem which are connected with each other, and is characterized in that: the tailings separating subsystem comprises a skid-mounted all-in-one machine, a belt conveyor and a buffer tank; the paste filling subsystem comprises a vertical sand silo, a flocculating agent adding device, a horizontal stirrer, a vertical stirrer and an ash silo; the vertical sand silo is connected with the buffer tank through a pipeline with a slurry pump, the flocculating agent adding device is connected with the vertical sand silo through a pipeline, a bottom flow port of the vertical sand silo is connected with a feed inlet of the horizontal mixer through a pipeline with a control valve, a discharge port of the horizontal mixer is connected with a feed inlet of the vertical mixer through a pipeline, and a discharge port of the vertical mixer is connected with a filling pipeline; an overflow port of the vertical sand silo is connected with a sand silo overflow pipe, and a water return pool is arranged right below an outlet end of the sand silo overflow pipe; a water discharge pipe of the water return pool is connected with a feed inlet of the horizontal mixer through a pipeline with a control valve; a spiral conveyor is arranged below the underflow opening of the ash bin, and the discharge end of the spiral conveyor is connected with the feed inlet of the horizontal mixer through a pipeline.
The skid-mounted all-in-one machine comprises a rack, wherein a swirler and a vibrating screen are mounted on the rack; the feeding end of the cyclone is provided with an ore feeding pipe, and the ore feeding pipe is connected with a pressure gauge; the cyclone is provided with a cyclone overflow pipe, and the bottom end of the cyclone is provided with a sand setting port; the vibrating screen comprises a support, a spring is fixedly mounted on the support, a screen body is mounted at the upper end of the spring, and a screen mesh is fixedly mounted in the screen body; the vibrating screen also comprises a vibrating screen frame arranged on the rack, and a vibrating motor used for driving the screen body to work is fixedly arranged on the vibrating screen frame; the cyclone overflow pipe is connected with the buffer tank through a fine-grain tailing pipe.
And a flocculating agent pump and a flocculating agent meter are arranged on a connecting pipeline between the flocculating agent adding device and the vertical sand silo.
A water adding meter is arranged on a connecting pipeline between a water discharge pipe of the water return pool and a feed inlet of the horizontal mixer.
A gelled material meter is arranged on a connecting pipeline between the discharge end of the screw conveyer and the feed inlet of the pipeline-connected horizontal mixer.
The water outlet pipe of the water return pool is connected with a connecting pipeline which is communicated with the selected factory, and the connecting pipeline is provided with a control valve.
The ash bin is connected with a cementing material tank car through a pipeline.
The utility model has the advantages of:
through the tailings thickness separation subsystem of the utility model, tailings with the mass fraction of 25% -35% from a selected factory are subjected to thickness separation through the skid-mounted all-in-one machine, and coarse fraction tailings are dehydrated through the vibrating screen and then are sold as auxiliary materials in the building industry; and (3) beating the fine-fraction tailings to a vertical sand silo for flocculation and sedimentation, so that the fine-fraction tailings are thickened, and the underflow concentration reaches more than 60%. And adding water and a cementing material into the underflow, then sequentially and fully stirring the underflow by a horizontal stirrer and a vertical stirrer 7 for two stages to form high-concentration slurry, and automatically flowing the high-concentration slurry to a stope through a pipeline. Thereby overcoming the defects caused by adopting a mine tailing pond and providing a technical foundation for realizing the construction of a tailless mine.
Drawings
Fig. 1 is a process flow diagram of a system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a skid-mounted all-in-one machine according to an embodiment of the present invention.
Detailed Description
The technical scheme of the utility model is explained in detail below with the attached figure 1:
referring to fig. 1, an embodiment of the present invention includes a tailing coarse and fine particle system and a paste filling subsystem connected to each other.
The tailings separating subsystem comprises a skid-mounted all-in-one machine 1, a belt conveyor 2 and a buffer tank 4.
As shown in FIG. 2, the skid-mounted all-in-one machine 1 comprises a frame 1-4, wherein a cyclone 1-1 and a vibrating screen 1-9 are arranged on the frame 1-4. The feeding end of the cyclone 1-1 is provided with an ore inlet pipe 1-3, and the ore inlet pipe 1-3 is in threaded connection with a pressure gauge 1-2; the middle part of the swirler 1-1 is provided with a swirl overflow pipe 1-5, and the bottom end of the swirler 1-1 is provided with a sand setting port 1-6. The swirler 1-1 is integrally welded to the bracket 1-4. And fine fraction tailings are conveyed to the buffer tank 4 from the overflow pipes 1-5 through pipelines, and coarse fraction tailings are discharged to the vibrating screens 1-9 from the sand settling ports 1-6. The vibrating screen 1-9 comprises a support 1-8, springs 1-10 are fixedly mounted on the support 1-8 through bolts, a screen body is mounted at the upper ends of the springs 1-10, and a screen mesh 1-11 is fixedly mounted in the screen body. The vibrating screen 1-9 further comprises a vibrating screen frame arranged on the rack 1-4, and a vibrating motor 1-7 used for driving the screen body to work is fixedly arranged on the vibrating screen frame.
And the upper port of the screen body is positioned below the sand settling ports 1-6. The coarse fraction tailings output end of the screen body is positioned above the feeding end of the belt conveyor 2. The lower end of the screen body is provided with a water outlet 1-12, and water after coarse tailings are dehydrated is discharged through the water outlet 1-12. The cyclone overflow pipes 1-5 are connected with the buffer tank 4 through fine-grade tailing pipes.
As shown in the figure 1, the paste filling subsystem comprises a vertical sand silo 16, a flocculating agent adding device 6, a water return tank 14, a horizontal mixer 8, a vertical mixer 7 and an ash silo 10. The vertical sand silo 16 is connected with the buffer tank 4 through a pipeline (called as a slurry pipeline 17) with a slurry pump 5, the flocculating agent adding device 6 is connected with the vertical sand silo 16 through a pipeline with a flocculating agent pump and a flocculating agent meter, the bottom flow port of the vertical sand silo 16 is connected with the feed inlet of the horizontal stirrer 8 through a pipeline with a control valve, the discharge port of the horizontal stirrer 8 is connected with the feed inlet of the vertical stirrer 7 through a pipeline, the discharge port of the vertical stirrer 7 is connected with a pipeline, and the pipeline is used for being connected with a stope to implement filling. An overflow port of the vertical sand silo 16 is connected with a sand silo overflow pipe 15, and the water return pool 14 is arranged right below an outlet end of the sand silo overflow pipe 15. The water discharge pipe 13 of the water return pool 14 is connected with the factory selection through a water return pipe 11 with a control valve, and the water discharge pipe 13 of the water return pool 14 is connected with the feeding hole of the horizontal mixer 8 through a pipeline with a control valve and a water adding meter 12. A spiral conveyor is arranged below the underflow opening of the ash bin 10, and the discharge end of the spiral conveyor is connected with the feed inlet of the horizontal stirrer 8 through a pipeline with a gelled material meter. The ash bin 10 is also connected with a cementing material tank of the cementing material tank truck 9 through a pipeline.
Tailings with the mass fraction of 25% -35% from a selected factory are subjected to coarse-fine separation through a skid-mounted all-in-one machine 1, fine-fraction tailings account for 50% of the total tailings, coarse-fraction tailings account for 50% of the total tailings, and coarse-fraction tailings are dewatered through a vibrating screen 1-9 and then transported to a yard 3 through a belt conveyor 2 to serve as an auxiliary material for the building industry for export sales; the fine fraction tailings flow into the buffer tank 4. And pumping the fine-fraction tailings in the buffer tank 4 to a vertical sand silo 16 through a slurry pump 5 for flocculation and sedimentation, so that the fine-fraction tailings are thickened, and the underflow concentration reaches more than 60%. The bottom stream was connected to the inlet of a horizontal mixer 8 via a pipe and water and cementitious material were added to the horizontal mixer 8. The outlet of the horizontal mixer 8 is connected with the vertical mixer 7 through a pipeline, and after the two-stage full mixing is carried out by the vertical mixer 7, high-concentration slurry is formed and automatically flows to be filled into a stope through the pipeline.
The vertical sand silo 16 is provided with an electric valve, a flowmeter and a concentration meter, and the concentration meter is mainly used for measuring the concentration of underflow.
Claims (7)
1. A tailless mine separation and filling system based on a skid-mounted all-in-one machine comprises a tailing coarse and fine separation subsystem and a paste filling subsystem which are connected with each other, and is characterized in that: the tailings separating subsystem comprises a skid-mounted all-in-one machine (1), a belt conveyor (2) and a buffer tank (4); the paste filling subsystem comprises a vertical sand silo (16), a flocculating agent adding device (6), a horizontal stirrer (8), a vertical stirrer (7) and an ash silo (10); the vertical sand silo (16) is connected with the buffer tank (4) through a pipeline with a slurry pump (5), the flocculating agent adding device (6) is connected with the vertical sand silo (16) through a pipeline, a bottom flow port of the vertical sand silo (16) is connected with a feed inlet of the horizontal mixer (8) through a pipeline with a control valve, a discharge port of the horizontal mixer (8) is connected with a feed inlet of the vertical mixer (7) through a pipeline, and a discharge port of the vertical mixer (7) is connected with a filling pipeline; an overflow port of the vertical sand silo (16) is connected with a sand silo overflow pipe (15), and a water return pool (14) is arranged right below an outlet end of the sand silo overflow pipe (15); a water discharge pipe of the water return pool (14) is connected with a feed inlet of the horizontal mixer (8) through a pipeline with a control valve; a screw conveyor is arranged below the underflow opening of the ash bin (10), and the discharge end of the screw conveyor is connected with the feed inlet of the horizontal mixer (8) through a pipeline.
2. The tailless mine separation and filling system based on the skid-mounted all-in-one machine according to claim 1, wherein: the skid-mounted all-in-one machine (1) comprises a rack (1-4), wherein a cyclone (1-1) and a vibrating screen (1-9) are installed on the rack (1-4); the feeding end of the cyclone (1-1) is provided with an ore feeding pipe (1-3), and the ore feeding pipe (1-3) is connected with a pressure gauge (1-2); the cyclone (1-1) is provided with a cyclone overflow pipe (1-5), and the bottom end of the cyclone (1-1) is provided with a sand setting port (1-6); the vibrating screen (1-9) comprises a support (1-8), a spring (1-10) is fixedly arranged on the support (1-8), a screen body is arranged at the upper end of the spring (1-10), and a screen mesh (1-11) is fixedly arranged in the screen body; the vibrating screen (1-9) also comprises a vibrating screen frame arranged on the rack (1-4), and a vibrating motor (1-7) for driving the screen body to work is fixedly arranged on the vibrating screen frame; the cyclone overflow pipes (1-5) are connected with the buffer tank (4) through fine-grade tailing pipes.
3. The tailless mine separation and filling system based on the skid-mounted all-in-one machine according to claim 1 or 2, wherein: a flocculating agent pump and a flocculating agent meter are arranged on a connecting pipeline between the flocculating agent adding device (6) and the vertical sand silo (16).
4. The tailless mine separation and filling system based on the skid-mounted all-in-one machine according to claim 1 or 2, wherein: a water adding meter is arranged on a connecting pipeline between a water discharge pipe of the water return pool (14) and a feed inlet of the horizontal mixer (8).
5. The tailless mine separation and filling system based on the skid-mounted all-in-one machine according to claim 1 or 2, wherein: a gelled material meter is arranged on a connecting pipeline between the discharge end of the screw conveyer and the feed inlet of the pipeline connecting horizontal stirrer (8).
6. The tailless mine separation and filling system based on the skid-mounted all-in-one machine according to claim 1 or 2, wherein: the water outlet pipe of the water return pool (14) is connected with a connecting pipeline which is communicated with a selected factory, and the connecting pipeline is provided with a control valve.
7. The tailless mine separation and filling system based on the skid-mounted all-in-one machine according to claim 1 or 2, wherein: the ash bin (10) is connected with a cementing material tank car (9) through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801470.2U CN210875766U (en) | 2019-10-25 | 2019-10-25 | Tailless mine separation and filling system based on skid-mounted all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921801470.2U CN210875766U (en) | 2019-10-25 | 2019-10-25 | Tailless mine separation and filling system based on skid-mounted all-in-one machine |
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| CN210875766U true CN210875766U (en) | 2020-06-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649398A (en) * | 2021-08-16 | 2021-11-16 | 中南大学 | Harmless disposal system for mine tailings |
| CN114790914A (en) * | 2022-05-06 | 2022-07-26 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Underground space-based mining, selecting, filling and water recycling method and control system |
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2019
- 2019-10-25 CN CN201921801470.2U patent/CN210875766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649398A (en) * | 2021-08-16 | 2021-11-16 | 中南大学 | Harmless disposal system for mine tailings |
| CN114790914A (en) * | 2022-05-06 | 2022-07-26 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Underground space-based mining, selecting, filling and water recycling method and control system |
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