CN214551423U - Thickener multi-stage dilution flocculation reaction feeding device - Google Patents
Thickener multi-stage dilution flocculation reaction feeding device Download PDFInfo
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- CN214551423U CN214551423U CN202120590635.7U CN202120590635U CN214551423U CN 214551423 U CN214551423 U CN 214551423U CN 202120590635 U CN202120590635 U CN 202120590635U CN 214551423 U CN214551423 U CN 214551423U
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Abstract
The utility model provides a concentrated quick-witted multistage dilution flocculation reaction feeder belongs to concentrated quick-witted technical field, the utility model discloses mainly solve the technical problem such as suspension that exists of current concentrated quick-witted feedwell can not evenly spread to concentrated pond to high concentration ground paste adaptability poor, flocculation reaction is insufficient, after the reaction. The technical scheme of the utility model is that: a thickener multi-stage dilution flocculation reaction feeding device comprises a feeding pipe, an external feeding well, an internal feeding well and a central dilution device; the external feeding well is a cylindrical barrel; the inner feeding well is fixedly arranged at the upper part of the center of the inner cavity of the outer feeding well; the internal feeding well comprises a cylindrical feeding cylinder and a frustum-shaped cylinder, and the frustum-shaped cylinder is arranged in the inner cavity of the cylindrical feeding cylinder; the central dilution device comprises a dilution through pipe which is vertically arranged. The utility model has the advantages of simple structure, low energy consumption, good flocculation effect and the like.
Description
Technical Field
The utility model belongs to the technical field of concentrated machine, concretely relates to concentrated machine multistage dilution flocculation reaction feeder.
Background
The thickener is a continuously working concentrating and clarifying device, is suitable for dewatering of fine tailings and tailings in wet-type mineral separation operation, and is also widely used in the industries of coal, metallurgy, environmental protection and the like. Because the particle size of the materials treated by the thickener is small, the viscosity is large and the settling speed is slow, a flocculating agent is generally required to be added into ore pulp to improve the settling speed of solids, and the solid-liquid separation efficiency of the thickener is directly influenced by the quality of the flocculation reaction effect.
In order to make the thickener have wide adaptability to slurry with different concentrations so as to obtain the best solid-liquid separation effect, the flocculation reaction feeding device is required to have the following characteristics; the multi-stage flexible self-dilution can be carried out on the fed materials; secondly, a strong turbulent flow shearing area is provided; ③ a non-shearing reaction area with gentle flow; fourthly, the feed can be uniformly distributed in the concentration tank, namely, the water is uniformly distributed. At present, concentrator feeder wells have various structures, but still have a large distance from ideal and high-efficiency, and have a plurality of defects: firstly, a dilution system is not perfect enough, and the adaptability to high-concentration slurry is poor; secondly, the flocculating agent and the ore pulp are mixed unevenly, so that the flocculation reaction is insufficient; thirdly, the fluid has high flowing speed and weaker steady flow effect, greatly disturbs the flocculated ore pulp and is easy to damage the formed floccules; and fourthly, the suspension after the flocculation reaction can not be uniformly diffused to the concentration tank.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a concentrated quick-witted multistage dilution flocculation reaction feeder, solve the suspension that exists of current concentrated quick-witted feedwell poor to high concentration ground paste adaptability, flocculation reaction is not abundant, after the reaction can not evenly spread to technical problem such as concentrated pond. In order to solve the above problem, the technical scheme of the utility model is that: a thickener multi-stage dilution flocculation reaction feeding device comprises a feeding pipe, an external feeding well, an internal feeding well and a central dilution device;
the external feeding well is a cylindrical barrel, a plurality of dilution ports are uniformly formed in the upper part of the barrel wall of the external feeding well, and an inverted-bell-mouth-shaped discharge port is formed in the bottom end of the external feeding well;
the inner feeding well is fixedly arranged at the upper part of the center of the inner cavity of the outer feeding well; the height of the top surface of the internal feeding well is higher than that of the top surface of the external feeding well; the feeding pipe is connected with a feeding hole formed in the side wall of the internal feeding well along the tangential direction of the cylinder wall;
the internal feeding well comprises a cylindrical feeding cylinder and a frustum-shaped cylinder, the frustum-shaped cylinder is arranged in an inner cavity of the cylindrical feeding cylinder, the height of the bottom surface of the frustum-shaped cylinder is flush with that of the bottom surface of the cylindrical feeding cylinder, and the height of the top surface of the frustum-shaped cylinder is lower than that of the top surface of the cylindrical feeding cylinder; a bottom plate is arranged between the outer edge of the bottom surface of the frustum-shaped cylinder body and the bottom surface of the side wall of the cylindrical feeding cylinder in the circumferential direction; the top surface and the bottom surface of the frustum-shaped cylinder are both provided with openings;
the central dilution device comprises a dilution through pipe which is vertically arranged, and the top of the dilution through pipe sequentially penetrates through a discharge hole of the external feeding well and an opening in the bottom surface of the frustum-shaped cylinder from bottom to top and then extends into the frustum-shaped cylinder; the top surface of the dilution through pipe is flush with the top surface of the frustum-shaped cylinder in height; an annular baffle is arranged on the side wall of the dilution through pipe below the position corresponding to the opening on the bottom surface of the frustum-shaped cylinder in the circumferential direction, and a gap is arranged between the annular baffle and the opening on the bottom surface of the frustum-shaped cylinder in the circumferential direction; the outer wall of the dilution through pipe below the external feeding well is sleeved with a plurality of umbrella-shaped caps, and a plurality of dilution liquid inlets are uniformly formed in the side walls of the dilution through pipe bodies in the umbrella-shaped caps.
Further, the diameter of the annular baffle is larger than that of the opening of the bottom surface of the frustum-shaped cylinder, and the top surface of the annular baffle is an inclined surface inclined from the center to the edge.
The technical proposal adopted by the utility model forms a multi-stage dilution mechanism, is suitable for high-concentration slurry, achieves the optimal concentration of flocculation through multi-stage dilution, and effectively improves the flocculation effect; the device does not need any external power, thereby saving energy consumption; the feed liquid in the cylindrical feeding cylinder and the diluent in the dilution through pipe respectively flow into a dilution mixing area formed between the frustum-shaped cylinder body and the dilution through pipe, the suspension liquid fully mixed in the dilution mixing area flows into a flocculation reaction area in the cylindrical cylinder body through a gap between the annular baffle and an opening at the bottom surface of the frustum-shaped cylinder body, after entering the flocculation reaction area, the water flow speed is reduced, the energy level is reduced, the flocculation reaction between solid particles and a flocculating agent is facilitated, a large flocculation group is formed, the suspension liquid fully subjected to the flocculation reaction uniformly flows into a concentrator along the radial direction from a discharge hole of an external feeding well, the deposited layer in the concentrator is prevented from being impacted, and the maximum sedimentation speed is achieved.
Compared with the background technology, the utility model has the advantages of simple structure, low energy consumption, good flocculation effect and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A thickener multi-stage dilution flocculation reaction feeding device as shown in fig. 1 and fig. 2, which comprises a feeding pipe 4, an external feeding well 1, an internal feeding well 2 and a central dilution device 3;
the external feeding well 1 is a cylindrical barrel, a plurality of dilution ports 1-1 are uniformly arranged at the upper part of the barrel wall of the external feeding well 1, and an inverted-bell-mouth-shaped discharge port is arranged at the bottom end of the external feeding well 1;
the internal feeding well 2 is fixedly arranged at the upper part of the center of the inner cavity of the external feeding well 1; the top surface of the internal feeding well 2 is higher than that of the external feeding well 1; the feeding pipe 4 is connected with a feeding hole formed in the side wall of the internal feeding well 2 along the tangential direction of the cylinder wall;
the internal feeding well 2 comprises a cylindrical feeding cylinder 2-1 and a frustum-shaped cylinder 2-2, the frustum-shaped cylinder 2-2 is arranged in the inner cavity of the cylindrical feeding cylinder 2-1, the height of the bottom surface of the frustum-shaped cylinder 2-2 is flush with that of the bottom surface of the cylindrical feeding cylinder 2-1, and the height of the top surface of the frustum-shaped cylinder 2-2 is lower than that of the top surface of the cylindrical feeding cylinder 2-1; a bottom plate 2-3 is arranged between the outer edge of the bottom surface of the frustum-shaped cylinder 2-2 and the bottom surface of the side wall of the cylindrical feeding cylinder 2-1 in the circumferential direction; the top surface and the bottom surface of the frustum-shaped cylinder 2-2 are both provided with openings;
the central dilution device 3 comprises a dilution through pipe 3-1 which is vertically arranged, and the top of the dilution through pipe 3-1 sequentially penetrates through a discharge hole of the external feeding well 1 and an opening at the bottom surface of the frustum-shaped barrel 2-2 from bottom to top and then extends into the frustum-shaped barrel 2-2; the top surface of the dilution through pipe 3-1 is flush with the top surface of the frustum-shaped barrel 2-2 in height; an annular baffle 3-4 is arranged on the side wall of the dilution through pipe 3-1 at the lower part of the position corresponding to the opening at the bottom surface of the frustum-shaped barrel 2-2 in the circumferential direction, and a gap is arranged between the annular baffle 3-4 and the opening at the bottom surface of the frustum-shaped barrel 2-2 in the circumferential direction; a plurality of umbrella-shaped caps 3-4 are sleeved on the outer wall of the dilution through pipe 3-1 below the external feeding well 1, and a plurality of dilution liquid inlets 3-3 are uniformly arranged on the side wall of the pipe body of the dilution through pipe 3-1 in each umbrella-shaped cap 3-4.
Further, the diameter of the annular baffle 3-4 is larger than that of the opening at the bottom surface of the frustum-shaped cylinder 2-2, and the top surface of the annular baffle 3-4 is an inclined surface inclined from the center to the edge.
The utility model discloses a working process and principle: when in use, slurry enters the cylindrical feed cylinder 2-1 of the internal feed well 2 from the feed pipe 4, flows upwards in the cylindrical feed cylinder 2-1 in a rotating manner along the tangential direction, and flows into a dilution mixing area formed between the frustum-shaped cylinder 2-2 and the dilution through pipe 3-1 from an opening on the top surface of the frustum-shaped cylinder 2-2; meanwhile, due to the fact that the concentration of the slurry is different from that of the diluent, the diluent can enter a dilution through pipe 3-1 through a dilution liquid inlet 3-3 and flows out of the top of the dilution through pipe 3-1 to enter a dilution mixing area formed between a frustum-shaped cylinder 2-2 and the dilution through pipe 3-1, and the slurry in the dilution mixing area is diluted for the first time;
the suspension after primary dilution is diffused into the external feeding well 1 through a gap between the annular baffle 3-4 and the opening at the bottom surface of the frustum-shaped cylinder 2-2, and meanwhile, the supernatant entering from the dilution port 1-2 and the added flocculating agent also enter an upper flocculation reaction zone in the external feeding well 1 to form a strong turbulence flow state, so that the three liquids are fully mixed; the fully mixed suspension liquid downwards enters a flocculation reaction zone at the lower part of the external feeding well 1, the space of the flocculation reaction zone is larger, the turbulence intensity of water flow is weakened, the water flow speed is reduced, the energy level is reduced, the flocculation reaction between solid particles and a flocculating agent is facilitated, larger flocculation groups are formed, the sedimentation effect of the solid particles is improved, and meanwhile, due to the reduction of the energy level of the water flow, the water flow is gently diffused from a discharge port at the bottom of the external feeding well 1 to a concentration tank, so that the water flow is more uniformly distributed;
the umbrella-shaped cap 3-2 in the central dilution device 3 is beneficial to the supernatant to enter the dilution liquid inlet 3-3 and the bottom inlet of the dilution through pipe 3-1, a continuous multi-stage self-dilution system is formed, and the efficiency of the thickener is improved.
Claims (2)
1. The utility model provides a thickener is multistage dilutes flocculation reaction feeder which characterized in that: comprises a feeding pipe (4), an external feeding well (1), an internal feeding well (2) and a central dilution device (3);
the external feeding well (1) is a cylindrical barrel, a plurality of dilution ports (1-1) are uniformly formed in the upper part of the barrel wall of the external feeding well (1), and an inverted-bell-mouth-shaped discharge port is formed in the bottom end of the external feeding well (1);
the inner feeding well (2) is fixedly arranged at the upper part of the center of the inner cavity of the outer feeding well (1); the top surface height of the internal feeding well (2) is higher than that of the external feeding well (1); the feeding pipe (4) is connected with a feeding hole formed in the side wall of the internal feeding well (2) along the tangential direction of the cylinder wall;
the internal feeding well (2) comprises a cylindrical feeding cylinder (2-1) and a frustum-shaped cylinder (2-2), the frustum-shaped cylinder (2-2) is arranged in the inner cavity of the cylindrical feeding cylinder (2-1), the height of the bottom surface of the frustum-shaped cylinder (2-2) is flush with that of the bottom surface of the cylindrical feeding cylinder (2-1), and the height of the top surface of the frustum-shaped cylinder (2-2) is lower than that of the top surface of the cylindrical feeding cylinder (2-1); a bottom plate (2-3) is arranged between the outer edge of the bottom surface of the frustum-shaped cylinder (2-2) and the bottom surface of the side wall of the cylindrical feeding cylinder (2-1) in the circumferential direction; the top surface and the bottom surface of the frustum-shaped cylinder (2-2) are both provided with openings;
the central dilution device (3) comprises a dilution through pipe (3-1) which is vertically arranged, and the top of the dilution through pipe (3-1) sequentially penetrates through a discharge hole of the external feeding well (1) and an opening at the bottom surface of the frustum-shaped cylinder (2-2) from bottom to top and then extends into the frustum-shaped cylinder (2-2); the top surface of the dilution through pipe (3-1) is flush with the top surface of the frustum-shaped cylinder (2-2); an annular baffle (3-4) is arranged in the circumferential direction of the side wall of the dilution through pipe (3-1) below the position corresponding to the opening at the bottom surface of the frustum-shaped cylinder (2-2), and a gap is arranged in the circumferential direction between the annular baffle (3-4) and the opening at the bottom surface of the frustum-shaped cylinder (2-2); a plurality of umbrella-shaped caps (3-2) are sleeved on the outer wall of the dilution through pipe (3-1) below the external feeding well (1), and a plurality of dilution liquid inlets (3-3) are uniformly arranged on the side wall of the pipe body of the dilution through pipe (3-1) in each umbrella-shaped cap (3-2).
2. The thickener multi-stage dilution flocculation reaction feeding device as claimed in claim 1, wherein: the diameter of the annular baffle (3-4) is larger than that of the opening at the bottom surface of the frustum-shaped cylinder (2-2), and the top surface of the annular baffle (3-4) is an inclined plane which inclines from the center to the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590635.7U CN214551423U (en) | 2021-03-23 | 2021-03-23 | Thickener multi-stage dilution flocculation reaction feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590635.7U CN214551423U (en) | 2021-03-23 | 2021-03-23 | Thickener multi-stage dilution flocculation reaction feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214551423U true CN214551423U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120590635.7U Active CN214551423U (en) | 2021-03-23 | 2021-03-23 | Thickener multi-stage dilution flocculation reaction feeding device |
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| Country | Link |
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| CN (1) | CN214551423U (en) |
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2021
- 2021-03-23 CN CN202120590635.7U patent/CN214551423U/en active Active
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