CN215877542U - Mixed current stabilizer of tailing - Google Patents
Mixed current stabilizer of tailing Download PDFInfo
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- CN215877542U CN215877542U CN202121089357.3U CN202121089357U CN215877542U CN 215877542 U CN215877542 U CN 215877542U CN 202121089357 U CN202121089357 U CN 202121089357U CN 215877542 U CN215877542 U CN 215877542U
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- energy dissipation
- tailings
- mixing tank
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Abstract
The utility model discloses a tailing mixing and flow stabilizing device, belongs to the technical field of mine engineering, and solves the problem of how to quickly mix and stabilize tailings with different concentrations and different flow rates. The utility model comprises a primary energy dissipation mixing pool and a secondary mixing pool, wherein a slurry inlet pipe is arranged above the primary energy dissipation mixing pool, a slurry outlet pipe is arranged on the side wall of the secondary mixing pool, a separation plate is arranged between the primary energy dissipation mixing pool and the secondary mixing pool, the height of the separation plate is lower than the height of the walls of the primary energy dissipation mixing pool and the secondary mixing pool, and a bottom flow hole is formed in the bottom of the separation plate. The utility model adopts unpowered mixing, utilizes the excess pressure at the outlet of the pipeline, does not need a stirrer and saves energy; the utility model adopts secondary hydraulic mixing, and the mixing is uniform; the utility model adopts low-position underflow hole outflow and high-position overflow, thereby improving the mixing efficiency.
Description
Technical Field
The utility model belongs to the technical field of mine engineering, and particularly relates to a tailing mixing flow stabilizing device.
Background
In the non-ferrous metal mine tailing disposal engineering, tailing pipelines with different concentrations and different flow rates are often merged into the same thickening tank, and mixing and steady flow are required. The concentration and the flow of the stable ore pulp are convenient to monitor, and the automatic addition of the medicament is also facilitated. For example, when a mine has a filling project, a part of tailings cyclone is used for classifying, then underflow coarse tailings are used for filling, and overflow fine tailings enter a thickener. Therefore, more than two tailings with different concentrations and different flow rates are mixed at the feeding end of the thickening tank.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tailing mixing flow stabilizing device to solve the problem of how to quickly mix and stabilize tailings with different concentrations and different flow rates.
The technical scheme of the utility model is as follows: the utility model provides a mixed current stabilizer of tailing, mixes pond and secondary including once energy dissipation, and once energy dissipation mixes the pond top and is equipped with into thick liquid pipe, and the secondary mixes the pond lateral wall and is equipped with out the thick liquid pipe, and once energy dissipation is mixed and is equipped with the division board between pond and the secondary mixing pond, and the division board height is less than the pond wall height that once energy dissipation mixed pond and secondary mixed pond, and the division board bottom is equipped with the underflow hole.
As a further improvement of the utility model, the upper end of the partition plate is provided with an overflow weir which is in a tooth shape so as to reduce the fluctuation of the water surface.
As a further improvement of the utility model, the underflow holes are provided with a plurality of holes and are uniformly distributed at the bottom of the partition plate.
As a further development of the utility model, the underflow opening is rectangular. The bottom of the rectangular water passing section is level to the bottom of the mixing tank, outflow is stable, and ore pulp in the primary mixing tank is easy to empty.
As a further improvement of the utility model, the slurry outlet pipe is higher than the bottom of the secondary mixing tank by a certain distance. The bottom of the secondary mixing tank stores the slurry, and has the functions of mixing and buffering.
As a further improvement of the utility model, the lower end of the secondary mixing tank wall is provided with a vent pipe, and a vent valve is arranged on the vent pipe.
As a further improvement of the utility model, a plurality of slurry inlet pipes are arranged.
As a further improvement of the utility model, the upper end and the lower end of the outer wall of the primary energy dissipation mixing pool and the secondary mixing pool are respectively provided with a surrounding right-angle reinforcing rib plate.
As a further improvement of the utility model, a first surrounding T-shaped reinforcing rib plate is arranged in the middle of the outer wall of the primary energy dissipation mixing pool and the outer wall of the secondary mixing pool.
As a further improvement of the utility model, a second transverse T-shaped reinforcing rib plate is arranged in the middle of the partition plate.
The utility model provides a device for quickly mixing and stabilizing tailings with different concentrations and different flow rates, which is convenient for a thickener to stably feed pulp and add medicaments and has the following beneficial effects.
1. The utility model adopts unpowered mixing, utilizes the excess pressure at the outlet of the pipeline, does not need a stirrer and saves energy;
2. the utility model adopts secondary hydraulic mixing, and the mixing is uniform;
3. the utility model adopts low-position underflow hole outflow and high-position overflow, thereby improving the mixing efficiency.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a view A-A of FIG. 1;
fig. 3 is a view B-B in fig. 1.
In the figure: 1-primary energy dissipation mixing pool; 2-a secondary mixing tank; 3-a pulp inlet pipe; 4-a partition plate; 5-slurry outlet pipe; 6-underflow hole; 7-an overflow weir; 8-an emptying pipe; 9-an emptying valve; a 10-right angle reinforcing rib plate; 11-a first T-shaped reinforcing rib; 12-second T-shaped reinforcing ribs.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, a mixed flow stabilizer of tailings comprises a primary energy dissipation mixing tank 1 and a secondary mixing tank 2, a slurry inlet pipe 3 is arranged above the primary energy dissipation mixing tank 1, a slurry outlet pipe 5 is arranged on the side wall of the secondary mixing tank 2, a separation plate 4 is arranged between the primary energy dissipation mixing tank 1 and the secondary mixing tank 2, the height of the separation plate 4 is lower than the height of the tank wall of the primary energy dissipation mixing tank 1 and the secondary mixing tank 2, and a bottom flow hole 6 is arranged at the bottom of the separation plate 4.
The upper end of the partition plate 4 is provided with an overflow weir 7, and the overflow weir 7 is in a tooth shape.
The underflow holes 6 are provided with a plurality of holes and are uniformly distributed at the bottom of the partition plate 4. The underflow holes 6 are rectangular.
The slurry outlet pipe 5 is higher than the bottom of the secondary mixing tank 2 for a certain distance.
The lower end of the wall of the secondary mixing tank 2 is provided with a vent pipe 8, and the vent pipe 8 is provided with a vent valve 9.
The number of the slurry inlet pipes 3 is multiple.
And the upper end and the lower end of the outer walls of the primary energy dissipation mixing tank 1 and the secondary mixing tank 2 are respectively provided with a surrounding right-angle reinforcing rib plate 10. And a surrounding first T-shaped reinforcing rib plate 11 is arranged in the middle of the outer walls of the primary energy dissipation mixing tank 1 and the secondary mixing tank 2. A second transverse T-shaped reinforcing rib 12 is provided in the middle of the partition plate 4.
Ore pulp from different sources enters a primary energy dissipation mixing tank 1 through different pulp inlet pipes 3, falls, impacts and dissipates energy and carries out primary mixing, after primary mixing, one part enters a secondary mixing tank 2 through an underflow hole 6, the other part falls into the secondary mixing tank 2 through an overflow weir 7, carries out secondary mixing with the ore pulp entering the secondary mixing tank 2 through the underflow hole 6, and then overflows through a pulp outlet pipe 5 to be discharged. And the emptying pipe 8 is used for emptying ore pulp in the secondary mixing tank 2, and the emptying valve 9 is closed during normal operation.
Examples 1,
The implementation of the device according to the utility model is described in further detail below. The method comprises the following specific steps:
1. and calculating the volume of the mixing steady flow box according to the slurry flow from different sources, and taking about 30 seconds of mixing time.
The dry tailing yield of a large mine is 2735t/d, the ore discharge concentration is 22 percent, and the pulp flow is 446m3H is used as the reference value. The coarse tailings are used for filling, and the cyclone is arranged at a filling station. Wherein, the filling needs 1200t/d of coarse tailings and 2000t/d of tailings for classification, and the overflowing fine tailings of 800t/d returns to the deep cone thickener of the plant selection. The part of fine tailings is gathered together with overflow water of a sand silo and returned to a deep cone thickening tank of a dressing plant, and the flow rate is 290m3H, concentration 10.71%. Thus, the residual 735t/d tailings of the tailing conveying pump station of the original mill are added, the concentration is 22 percent, and the flow rate is 120m3H, total two streamsAnd (4) enabling the tailings with the two concentrations to enter a tailing thickening pond.
4 pulp inlet pipes 3 are arranged in total, and D180 multiplied by 10 are respectively arranged, and one pulp inlet pipe is used and the other pulp inlet pipe is prepared; d273 is multiplied by 10, and one is used and the other is prepared.
2. The effective volume of the device is 7m3Structure size Φ × H =2.5 × 2.5 m. The tailings stay in the primary energy dissipation mixing tank 1 for 30 seconds, and the secondary mixing tank 2 does not stay. The division plate 4 is arranged between the primary energy dissipation mixing tank 1 and the secondary mixing tank 2, and the primary energy dissipation mixing tank 1 enters the secondary mixing tank 2 by adopting a mode of combining a bottom hole and overflow.
3. The outlet flow of the primary mixing tank bottom hole is designed according to 40%, and the overflow is designed according to 60%. Each pulp inlet pipe 3 downwards enters the primary energy dissipation mixing tank 1 by adopting a bent pipe, energy dissipation is impacted, primary mixing is carried out, a small part (40%) of pulp flows out from the underflow hole 6, and a large part (60%) of pulp falls into the second mixing tank 2 from the upper overflow weir 7 and is mixed with pulp flowing out from the underflow, so that the mixing is more uniform and more sufficient. The underflow holes 6 are 120 x 100mm in size, for a total of four. The upper overflow weir 7 is designed into a tooth-shaped structure to reduce water surface fluctuation. The upper teeth and the lower openings of the tooth-shaped weir are 75mm, so that outflow is more stable. According to the total slurry inlet flow, the flow rate of the underflow is distributed to be 40 percent, and the flow rate of the overflow is distributed to be 60 percent. And calculating the sectional area of the underflow holes 6 according to the flow meter, and generally, 4 underflow holes 6 can be uniformly distributed according to the length of the underflow to realize uniform outflow. The lower edge of the pulp outlet pipe 5 is 30cm higher than the bottom of the secondary mixing tank 2, a pulp storage space is formed at the bottom of the secondary mixing tank 2, a buffering effect is achieved, secondary mixing of pulp falling from the overflow in the primary energy dissipation mixing tank 1 in the secondary mixing tank 2 is facilitated, and stable outflow of the pulp outlet pipe 5 is facilitated.
4. The cell wall thickness and the reinforcement rib size are calculated from the volume and lateral pressure of the apparatus of the present invention. The primary energy dissipation mixing tank 1 and the secondary energy dissipation mixing tank 2 both have a buffering effect and are small in abrasion, the tank wall is welded by adopting a steel plate with the thickness of 8mm, and the side wall is reinforced by adopting a steel plate with the thickness of 6 mm.
The utility model achieves the purposes of unpowered rapid mixing, steady flow and energy dissipation.
Claims (10)
1. A mixed current stabilizer of tailing which characterized in that: mix pond (1) and secondary including once energy dissipation, once energy dissipation is mixed pond (1) top and is equipped with into thick liquid pipe (3), and secondary mixes pond (2) lateral wall and is equipped with out thick liquid pipe (5), is equipped with division board (4) between mixed pond (1) of once energy dissipation and the secondary mixed pond (2), and division board (4) highly are less than the pool wall height that once energy dissipation mixed pond (1) and secondary mixed pond (2), and division board (4) bottom is equipped with underflow hole (6).
2. A tailings mixing flow stabilizer according to claim 1, characterized in that: an overflow weir (7) is arranged at the upper end of the partition plate (4), and the overflow weir (7) is in a tooth shape.
3. A tailings mixing flow stabilizer according to claim 1 or 2, wherein: the bottom flow holes (6) are arranged in a plurality and are uniformly distributed at the bottom of the partition plate (4).
4. A tailings mixing flow stabilizer according to claim 3, wherein: the underflow holes (6) are rectangular.
5. A tailings mixing flow stabilizer according to claim 4, characterized in that: the slurry outlet pipe (5) is higher than the bottom of the secondary mixing tank (2) for a certain distance.
6. A tailings mixing flow stabilizer according to claim 5, characterized in that: and an emptying pipe (8) is arranged at the lower end of the wall of the secondary mixing tank (2), and an emptying valve (9) is arranged on the emptying pipe (8).
7. A tailings mixing flow stabilizer according to claim 6, characterized in that: the number of the pulp inlet pipes (3) is multiple.
8. A tailings mixing flow stabilizer according to claim 7, characterized in that: and the upper end and the lower end of the outer walls of the primary energy dissipation mixing tank (1) and the secondary mixing tank (2) are respectively provided with a surrounding right-angle reinforcing rib plate (10).
9. A tailings mixing flow stabilizer according to claim 8, wherein: and a surrounding first T-shaped reinforcing rib plate (11) is arranged in the middle of the outer walls of the primary energy dissipation mixing tank (1) and the secondary mixing tank (2).
10. A tailings mixing flow stabilizer according to claim 9, wherein: and a second transverse T-shaped reinforcing rib plate (12) is arranged in the middle of the partition plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121089357.3U CN215877542U (en) | 2021-05-20 | 2021-05-20 | Mixed current stabilizer of tailing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121089357.3U CN215877542U (en) | 2021-05-20 | 2021-05-20 | Mixed current stabilizer of tailing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215877542U true CN215877542U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121089357.3U Active CN215877542U (en) | 2021-05-20 | 2021-05-20 | Mixed current stabilizer of tailing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215877542U (en) |
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2021
- 2021-05-20 CN CN202121089357.3U patent/CN215877542U/en active Active
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