CN212881174U - Mine tailing concentrates dewatering device in grades - Google Patents
Mine tailing concentrates dewatering device in grades Download PDFInfo
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- CN212881174U CN212881174U CN202021511779.0U CN202021511779U CN212881174U CN 212881174 U CN212881174 U CN 212881174U CN 202021511779 U CN202021511779 U CN 202021511779U CN 212881174 U CN212881174 U CN 212881174U
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Abstract
The utility model relates to a hierarchical dense dewatering device of mine tailing, including the thick tailing storehouse body and the thin tailing storehouse body, hierarchical feed arrangement is installed at the top of the thick tailing storehouse body, install central feeder in the upper portion of the thin tailing storehouse body, hierarchical feed arrangement is including advancing the sand person in charge, first sand inlet branch pipe, sand inlet branch pipe and swirler group of second, the discharge end of first sand inlet branch pipe is located the thick tailing storehouse internally, sand inlet branch pipe and swirler group are connected to the second, swirler group is connected with the thin tailing of grading and goes out the sand pipe, the discharge end that the fine tailing of grading goes out the sand pipe is connected with central feeder. The utility model discloses a coarse tailings storehouse body and fine tailings storehouse body separate the setting, can handle the tailing sand of arbitrary particle diameter through hierarchical feed arrangement and central feed arrangement, to full tailings, coarse tailings, hierarchical fine tailings, the fine tailings homoenergetic of overflow carry out dense dehydration, concentrated effectual, improved concentration efficiency and underflow concentration.
Description
Technical Field
The utility model relates to a hierarchical dense dewatering device of mine tailing belongs to mine tailing and handles the field.
Background
In recent years, the filling mining method taking mine flotation tailings as filling aggregates is more and more widely applied in the mining process at home and abroad due to good safety and environmental protection, and along with the continuous increase of mining depth, high-quality goaf filling becomes an effective mode for controlling deep well ground pressure. Meanwhile, comprehensive utilization of tailings gradually becomes an effective way for realizing green mines, and a mode of manufacturing building materials by filling fine-fraction tailings and coarse-fraction tailings is mainly adopted, so that zero emission of tailings is realized. One of the two tailings treatment approaches is the efficient and stable thickening dehydration of the tailings, the stable high-concentration filling is beneficial to improving the strength of a filling body, the characteristics of no layered segregation and less bleeding amount of high-concentration filling slurry can effectively reduce the abrasion and blockage in the pipeline conveying process and reduce the filling cost, and the efficient graded thickening dehydration of the tailings is a prerequisite for realizing the comprehensive utilization.
At present, the mainstream tailing thickening and dewatering modes at home and abroad mainly comprise gravity thickening with a thickener as main equipment and mechanical thickening with a filter as main equipment, but when the deep cone thickener treats tailing containing more coarse fraction, because the coarse fraction tailing is settled relatively fast, the tailing cannot be classified, and the risk of rake pressing exists; the filter is mainly suitable for treating tailings with more coarse particle content, has poor dewatering effect on fine-grained tailings, and has large floor area and high energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hierarchical dense dewatering device of mine tailing can handle the tail mortar of multiple particle diameter, and concentration effect is good, has improved concentration efficiency and underflow concentration.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a hierarchical dense dewatering device of mine tailing which characterized in that: the device comprises a bin body and a partition board vertically arranged in the bin body, wherein the partition board divides the bin body into a coarse tailing bin body and a fine tailing bin body which are arranged on the left and right, and the upper part of the partition board is provided with a middle overflow hole for communicating the coarse tailing bin body and the fine tailing bin body;
hierarchical feed arrangement is installed at the top in the coarse tailings storehouse body, central feeder is installed in the internal upper portion in fine tailings storehouse, hierarchical feed arrangement is including the sand that advances that is located coarse tailings storehouse body top be responsible for and be responsible for the first sand branch pipe, the second sand branch pipe of feeding with the sand respectively, still including installing the swirler group at coarse tailings storehouse body top, the discharge end of first sand branch pipe that advances is located coarse tailings storehouse body upper portion, the discharge end of second sand branch pipe is used for being connected with the feed end of swirler group, just swirler group is connected with hierarchical coarse tailings sand and goes out the sand pipe with hierarchical fine tailings, the discharge end that hierarchical coarse tailings goes out the sand pipe is located coarse tailings sand storehouse body upper portion, the discharge end that hierarchical fine tailings goes out the sand pipe is used for being connected with central feeder.
As a further improvement, the upper portion of the coarse tailings storehouse body is equipped with first annular overflow launder along the inner wall, and the height of first annular overflow launder is the same with the height in middle part overflow hole, just be connected with the first overflow pipe with first annular overflow launder intercommunication on the lateral wall on coarse tailings storehouse body upper portion, install the overflow valve on the first overflow pipe.
As a further improvement, the sand inlet main pipe, the first sand inlet branch pipe and the second sand inlet branch pipe are respectively provided with an electric valve.
As a further improvement of the utility model, the central feeding device comprises a self-diluting cylinder arranged on the upper part of the fine tailings bin body and a central cylinder sleeved on the upper part of the self-diluting cylinder, and the top of the central cylinder is positioned above the top of the self-diluting cylinder; the central feeding device further comprises a rotary-cut feeding pipe which is tangentially connected with the wall of the central cylinder, the feeding end of the rotary-cut feeding pipe is connected with the middle overflow hole, the discharging end of the rotary-cut feeding pipe is communicated with the inside of the central cylinder, and the discharging end of the graded fine tailing sand discharging pipe is communicated with the middle of the rotary-cut feeding pipe.
As a further improvement, the bottom of the self-diluting barrel is provided with a material distributing disc which is used for sprinkling the tail mortar in the self-diluting barrel into the fine tail sand silo body.
As a further improvement, the central feeding device further comprises a main pipe for flocculating agent located above the fine tailings cabin body, a first flocculating agent branch pipe communicated with the main pipe for flocculating agent and a plurality of second flocculating agent branch pipes communicated with the main pipe for flocculating agent respectively, the lower part of the rotary cutting inlet pipe is provided with a flocculating agent adding port, the discharge end of the first flocculating agent branch pipe is connected with the flocculating agent adding port, and the discharge end of the second flocculating agent branch pipe is located on the upper part of the central cylinder.
As a further improvement, the electric valve is installed on the main pipe of the flocculating agent, the first flocculating agent branch pipe and the second flocculating agent branch pipe respectively, the upper portion of the rotary-cut inlet pipe is equipped with the electric valve.
As a further improvement of the utility model, a second annular overflow groove is arranged on the upper part of the fine tailings cabin body along the inner wall, the height of the second annular overflow groove is lower than that of the first annular overflow groove, and the second annular overflow groove is flush with the top of the self-dilution cylinder; and the side wall of the upper part of the fine tailing bin body is connected with a second overflow pipe communicated with a second annular overflow groove, and an overflow valve is mounted on the second overflow pipe.
As a further improvement, the upper portion of the fine tailings cabin body is also provided with a grid plate moving forward and backward, and a plurality of baffles are installed on the grid holes of the grid plate, just the included angle between the baffle and the horizontal plane is 50 degrees, and the height of the grid plate is lower than that of the second annular overflow trough.
As a further improvement, the bottom of the coarse tailing storehouse body and the fine tailing storehouse body is equipped with the conical bin bottom respectively, the thin mouthful one end at the conical bin bottom sets up down, and the bottom at the conical bin bottom is equipped with puts the sand valve.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the coarse tailings bin body and the fine tailings bin body of the utility model are arranged in a separated way, the tail mortar with any particle size can be processed through the grading feeding device and the central feeding device, the full tailings, the coarse tailings, the grading fine tailings and the overflow fine tailings can be all subjected to dense dehydration, the concentration effect is good, and the concentration efficiency and the underflow concentration are improved;
2. the utility model discloses in set up two kinds of feed modes of hierarchical feed and center feed, hierarchical feed makes thick tailings sink in thick tailings storehouse internal fast, rotary-cut feed and flocculating agent add make thin tailings sink in thin tailings storehouse internal fast, the concentration efficiency is high, and the storage volume of storehouse body is big, the tailings are long-time to be put in storehouse body and can not appear pressing harrow and harden the phenomenon;
3. the central feeding device is internally provided with the self-diluting cylinder, when the height of overflow water exceeds the height of the second overflow groove, the overflow water enters the self-diluting cylinder to dilute the flocculation group in the central cylinder, so that better flocculation sedimentation is formed in the central cylinder, and the concentration effect is further improved;
4. the coarse tailing bin body and the fine tailing bin body are communicated through the middle overflow hole, so that overflowing fine tailings in the coarse tailing bin body can be concentrated in the fine tailing bin body, the utilization rate of tailings is improved, and zero emission of tailings is realized;
5. when the central feeding device carries out dense dehydration on the fine tailings, the first flocculating agent branch pipe and the second flocculating agent branch pipe are used for carrying out multi-point flocculating agent addition, so that the fine tailings are fully flocculated in the rotary-cut feeding pipe and the central cylinder, and the concentration effect of the utility model is improved;
6. the bottoms of the coarse tailing bin body and the fine tailing bin body are respectively provided with a conical bin bottom, so that the bottom of the bin body is large in inclination angle and good in sinking effect, and concentrated tailing is compacted at the bottom of the bin body, so that the concentration effect is further improved;
7. the grid plate is arranged below the overflow groove in the fine tailings bin body, and the inclined baffle is arranged on the grid plate, so that the fine tailings can be effectively prevented from flowing out along with overflow water, and the utilization rate of the tailings is improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a top view angle structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wind-water linkage slurry making mechanism in the embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the present embodiment is a mine tailing classifying, thickening and dewatering device, which comprises a bin body and a partition plate 6 vertically arranged in the bin body, wherein the partition plate 6 divides the bin body into a coarse tailing bin body 1 and a fine tailing bin body 5 which are arranged on the left and right, and a middle overflow hole 61 for communicating the coarse tailing bin body 1 and the fine tailing bin body 5 is arranged on the upper portion of the partition plate 6.
Hierarchical feed arrangement is installed at the top in the coarse tailings storehouse body 1, hierarchical feed arrangement is including the sand that advances that is located coarse tailings storehouse body 1 top be responsible for 2 and respectively with advance the sand and be responsible for first sand branch pipe 21, the second of 2 intercommunications of sand branch pipe 22 are advanced, still including installing the swirler group 3 at coarse tailings storehouse body 1 top, the discharge end of first sand branch pipe 21 is located coarse tailings storehouse body 1 upper portion, the discharge end of second sand branch pipe 22 is used for being connected with the feed end of swirler group 3, just swirler group 3 is connected with hierarchical coarse tailings and goes out sand pipe 31 and hierarchical thin tailings and go out sand pipe 32, the discharge end that hierarchical coarse tailings goes out sand pipe 31 is located coarse tailings storehouse body 1 upper portion, the discharge end that hierarchical thin tailings goes out sand pipe 32 is located thin tailings storehouse body 5.
Further, electric valves are respectively installed on the sand inlet main pipe 2, the first sand inlet branch pipe 21 and the second sand inlet branch pipe 22.
Further, a first annular overflow groove 11 is formed in the top of the coarse tailing bin body 1 along the inner wall of the bin body, the height of the first annular overflow groove 11 is equal to that of the middle overflow hole 61, a first overflow pipe 12 communicated with the first annular overflow groove 11 is connected to the side wall of the upper portion of the coarse tailing bin body 1, and an overflow valve is mounted on the first overflow pipe 12.
The fine tailings silo 5 is internally provided with a central feeding device, the central feeding device comprises a self-diluting cylinder 56 arranged on the upper part of the fine tailings silo 5 and a central cylinder 52 sleeved on the upper part of the self-diluting cylinder 56, and the top of the central cylinder 52 is positioned above the top of the self-diluting cylinder 56. The central feeding device further comprises a rotary-cut feeding pipe 51 which is tangentially connected with the wall of the central cylinder 52, the feeding end of the rotary-cut feeding pipe 51 is connected with the middle overflow hole 61, the discharging end of the rotary-cut feeding pipe 51 is communicated with the inside of the central cylinder 52, and the discharging end of the graded fine tailing sand discharging pipe 32 is communicated with the middle of the rotary-cut feeding pipe 51. Specifically, the central cylinder 52 and the self-dilution cylinder 56 are both open-topped and bottom cylinders, and the inner diameter of the self-dilution cylinder 56 is larger than the outer diameter of the central cylinder 52.
Further, a distributing tray 561 for uniformly scattering the flocculated groups in the self-diluting cylinder 56 into the fine tailings silo 5 is installed at the bottom of the self-diluting cylinder 56.
Further, the central feeding device further comprises a main flocculant pipe 4 positioned above the fine tailings silo 5, a first flocculant branch pipe 41 communicated with the main flocculant pipe 4, and a plurality of second flocculant branch pipes 42 respectively communicated with the main flocculant pipe 4, a flocculant adding port 511 is arranged at the lower part of the rotary cutting feed pipe 51, the discharge end of the first flocculant branch pipe 41 is connected with the flocculant adding port 511, and the discharge end of the second flocculant branch pipe 42 is positioned in the upper part of the central cylinder 52.
Further, electric valves are respectively installed on the main flocculant pipe 4, the first flocculant branch pipe 41 and the second flocculant branch pipe 42, an electric valve is arranged at the upper part of the rotary-cut feed pipe 51, specifically, the joint of the rotary-cut feed pipe 51 and the middle overflow hole 61 is a first feed inlet, the joint of the rotary-cut feed pipe 51 and the graded fine tailing sand outlet pipe 32 is a second feed inlet, and the electric valve on the rotary-cut feed pipe 51 is located between the first feed inlet and the second feed inlet.
Specifically, in the present embodiment, four second flocculant branch pipes 42 are symmetrically arranged in the central cylinder 52, and are used for adding flocculants in four points in the central cylinder 52.
The upper part of the fine tailings cabin body 5 is provided with a second annular overflow groove 53 along the inner wall of the cabin body, the height of the second annular overflow groove 53 is lower than that of the first annular overflow groove 11, and the second annular overflow groove 53 is flush with the top of the self-dilution cylinder 56. The side wall of the upper part of the fine tailings cabin 5 is connected with a second overflow pipe 54 communicated with a second annular overflow groove 53, and an overflow valve is mounted on the second overflow pipe 54.
Furthermore, the upper part of the fine tailings silo 5 is also provided with a grating plate 55 moving forward and backward, the height of the grating plate 55 is lower than that of the second annular overflow groove 53, a plurality of baffle plates moving left and right are arranged on grating holes of the grating plate 55, and an included angle between each baffle plate and the horizontal plane is 50 degrees. Specifically, in this embodiment, the front end and the rear end of the grating plate 55 are respectively installed on the inner wall of the upper portion of the fine tailings silo 5.
Further, the bottoms of the coarse tailing bin body 1 and the fine tailing bin body 5 are respectively provided with a conical bin bottom 7, one end of a thin opening of the conical bin bottom 7 faces downwards, one end of a thick opening faces upwards, and the bottom of the conical bin bottom 7 is provided with a sand discharging valve 8.
Further, as shown in fig. 1 and 3, the conical bin bottom 7 is connected with an air-water linkage slurry making mechanism, and the air-water linkage slurry making mechanism comprises an air pipe and a water pipe which are used for being communicated with the interior of the conical bin bottom 7.
Furthermore, the side walls of the lower parts of the coarse tailing bin body 1 and the fine tailing bin body 5 are respectively provided with an overhaul observation port, so that an overhaul worker can observe the concentration condition of the tailing in the bin body conveniently, and the overhaul is facilitated simultaneously.
The using method of the embodiment comprises the following steps:
as shown in fig. 1 to 3, the electric valve on the sand inlet main pipe 2 is opened, the whole tail mortar from the factory is selected to enter the grading thickening dehydration device from the sand inlet main pipe 2, and three tail sand treatment modes are provided:
firstly, an electric valve on a first sand inlet branch pipe 21 is opened, an electric valve on a second sand inlet branch pipe 22 is closed, the full tailings slurry directly enters a coarse tailings silo body 1, and after the full tailings slurry is settled and concentrated in the coarse tailings silo body 1, overflow fine tailings on the upper portion of the coarse tailings slurry enter a central cylinder 52 of a fine tailings silo body 5 through a middle overflow hole 61 and a rotary cutting feed pipe 51. After flocculating agents are added to the overflow fine tailings at multiple points through the first flocculating agent branch pipe 41 and the second flocculating agent branch pipe 42 in the rotary-cut feed pipe 51 and the central cylinder 52, concentration and sedimentation are completed in the fine tailings cabin body 5.
Secondly, an electric valve on the first sand inlet branch pipe 21 is closed, an electric valve on the second sand inlet branch pipe 22 is opened, full tailings slurry enters the cyclone group 3, the number of sand settling nozzles of the cyclone group 3 and the number of working cyclones (adjusted between 1 and 8) are adjusted according to particle size requirements, graded coarse tailings enter the coarse tailings cabin body 1 through a graded coarse tailings sand outlet pipe 31 to complete concentration and sedimentation, graded fine tailings enter a central cylinder 52 of the fine tailings cabin body 5 through a graded fine tailings sand outlet pipe 32 and a rotary cutting feed pipe 51, and concentration and sedimentation are completed in the fine tailings cabin body 5.
And thirdly, electric valves on the first sand inlet branch pipe 21 and the second sand inlet branch pipe 22 are opened simultaneously, the amount of tailings slurry entering the coarse tailing bin body 1 and the cyclone group 3 is controlled by adjusting the opening degree of the two electric valves, partial full tailings and cyclone classification coarse tailings enter the coarse tailing bin body 1, and overflow fine tailings and cyclone classification fine tailings in the coarse tailing bin body 1 enter a central cylinder 52 in the fine tailing bin body 5 through a rotary cutting feed pipe 51.
The tail mortar entering the coarse tailing bin body 1 naturally carries out dense sedimentation in the coarse tailing bin body 1, an overflow valve on a first overflow pipe 12 is closed, an electric valve on a rotary-cut feeding pipe 51 is opened, the overflow fine tailing mortar at the upper part of the coarse tailing bin body 1 enters a central cylinder 52 of a fine tailing bin body 5 through a first annular overflow groove 11, a middle overflow hole 61 and the rotary-cut feeding pipe 51, the cyclone graded fine tailing enters the central cylinder 52 of the fine tailing bin body 5 through a graded fine tailing discharging pipe 32 and the rotary-cut feeding pipe 51, electric valves on a main flocculating agent pipe 4, a first flocculating agent branch pipe 41 and a second flocculating agent branch pipe 42 are opened to carry out multipoint flocculating agent addition, the fine tailing is flocculated, concentrated and sedimentated in the fine tailing bin body 5, clear overflow water at the upper part of the fine tailing bin body 5 flows out of the fine tailing bin body 5 through a second annular overflow groove 53 and a second overflow pipe 54, the dense tailing is made into slurry through an air-water linkage slurry making mechanism of the coarse tailing bin body 1 and a fine tailing conical bin bottom 7, discharging qualified bottom flow through a sand discharging valve 8.
Claims (10)
1. The utility model provides a hierarchical dense dewatering device of mine tailing which characterized in that: the tailing sand separation device comprises a bin body and a partition plate (6) vertically arranged in the bin body, wherein the partition plate (6) divides the bin body into a coarse tailing bin body (1) and a fine tailing bin body (5) which are arranged on the left and right, and the upper part of the partition plate (6) is provided with a middle overflow hole (61) for communicating the coarse tailing bin body (1) with the fine tailing bin body (5);
the top of the coarse tailing bin body (1) is provided with a grading feeding device, the upper part of the fine tailing bin body (5) is internally provided with a central feeding device, the grading feeding device comprises a main sand feeding pipe (2) positioned above the coarse tailing bin body (1), a first sand feeding branch pipe (21) and a second sand feeding branch pipe (22) which are respectively communicated with the main sand feeding pipe (2), and a cyclone group (3) arranged at the top of the coarse tailing bin body (1), the discharge end of the first sand feeding branch pipe (21) is positioned in the upper part of the coarse tailing bin body (1), the discharge end of the second sand feeding branch pipe (22) is used for being connected with the feed end of the cyclone group (3), the cyclone group (3) is connected with a grading coarse tailing sand outlet pipe (31) and a grading fine tailing sand outlet pipe (32), the discharge end of the grading coarse tailing sand outlet pipe (31) is positioned in the upper part of the coarse tailing bin body (1), and the discharge end of the graded fine tailing sand outlet pipe (32) is used for being connected with a central feeding device.
2. The mine tailings classifying, thickening and dewatering device according to claim 1, wherein: the coarse tailing bin is characterized in that a first annular overflow groove (11) is formed in the upper portion of the coarse tailing bin body (1) along the inner wall, the height of the first annular overflow groove (11) is the same as that of a middle overflow hole (61), a first overflow pipe (12) communicated with the first annular overflow groove (11) is connected to the side wall of the upper portion of the coarse tailing bin body (1), and an overflow valve is installed on the first overflow pipe (12).
3. The mine tailings classifying, thickening and dewatering device according to claim 1, wherein: electric valves are respectively arranged on the sand inlet main pipe (2), the first sand inlet branch pipe (21) and the second sand inlet branch pipe (22).
4. The mine tailings classifying, thickening and dewatering device according to claim 2, wherein: the central feeding device comprises a self-diluting cylinder (56) arranged at the upper part of the fine tailings bin body (5) and a central cylinder (52) sleeved at the upper part of the self-diluting cylinder (56), and the top of the central cylinder (52) is positioned above the top of the self-diluting cylinder (56); the central feeding device further comprises a rotary-cut feeding pipe (51) which is tangentially connected with the wall of the central cylinder (52), the feeding end of the rotary-cut feeding pipe (51) is connected with the middle overflow hole (61), the discharging end of the rotary-cut feeding pipe is communicated with the inside of the central cylinder (52), and the discharging end of the graded fine tailing sand discharging pipe (32) is communicated with the middle of the rotary-cut feeding pipe (51).
5. The mine tailings classifying, thickening and dewatering device according to claim 4, wherein: and a distributing tray (561) for spraying the tail mortar in the self-diluting barrel (56) into the fine tail sand cabin body (5) is arranged at the bottom of the self-diluting barrel (56).
6. The mine tailings classifying, thickening and dewatering device according to claim 4, wherein: the central feeding device further comprises a flocculant main pipe (4) positioned above the fine tailings cabin body (5), a first flocculant branch pipe (41) communicated with the flocculant main pipe (4) and a plurality of second flocculant branch pipes (42) communicated with the flocculant main pipe (4) respectively, wherein a flocculant adding port (511) is formed in the lower part of the rotary cutting feeding pipe (51), the discharge end of the first flocculant branch pipe (41) is connected with the flocculant adding port (511), and the discharge end of the second flocculant branch pipe (42) is positioned in the upper part of the central cylinder (52).
7. The mine tailings classifying, thickening and dewatering device according to claim 6, wherein: electric valves are respectively installed on the main flocculant pipe (4), the first flocculant branch pipe (41) and the second flocculant branch pipe (42), and the upper part of the rotary-cut feeding pipe (51) is provided with the electric valves.
8. The mine tailings classifying, thickening and dewatering device according to any one of claims 4 to 7, wherein: a second annular overflow groove (53) is formed in the upper portion of the fine tailings bin body (5) along the inner wall, the height of the second annular overflow groove (53) is lower than that of the first annular overflow groove (11), and the second annular overflow groove (53) is flush with the top of the self-dilution cylinder (56); the side wall of the upper part of the fine tailings cabin body (5) is connected with a second overflow pipe (54) communicated with a second annular overflow groove (53), and an overflow valve is mounted on the second overflow pipe (54).
9. The mine tailings classifying, thickening and dewatering device according to claim 8, wherein: the fine tailings silo is characterized in that a grid plate (55) moving forwards and backwards is further arranged at the upper part of the fine tailings silo body (5), a plurality of baffle plates are mounted on grid holes of the grid plate (55), an included angle between each baffle plate and the horizontal plane is 50 degrees, and the height of each grid plate (55) is lower than that of the second annular overflow groove (53).
10. The mine tailings classifying, thickening and dewatering device according to any one of claims 1 to 7, wherein: the bottom of the coarse tailing bin body (1) and the bottom of the fine tailing bin body (5) are respectively provided with a conical bin bottom (7), one end of a thin opening of the conical bin bottom (7) is downward, one end of a thick opening is upward, and the bottom of the conical bin bottom (7) is provided with a sand discharging valve (8).
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| CN202021511779.0U CN212881174U (en) | 2020-07-28 | 2020-07-28 | Mine tailing concentrates dewatering device in grades |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116983722A (en) * | 2023-09-22 | 2023-11-03 | 矿冶科技集团有限公司 | Tailing thickener and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116983722A (en) * | 2023-09-22 | 2023-11-03 | 矿冶科技集团有限公司 | Tailing thickener and use method thereof |
| CN116983722B (en) * | 2023-09-22 | 2023-12-12 | 矿冶科技集团有限公司 | Tailing thickener and use method thereof |
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